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- /**
- * @licstart The following is the entire license notice for the
- * JavaScript code in this page
- *
- * Copyright 2023 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- * @licend The above is the entire license notice for the
- * JavaScript code in this page
- */
- /******/ (() => {
- // webpackBootstrap
- /******/ "use strict";
- /******/ var __webpack_modules__ = [
- ,
- /* 0 */ /* 1 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.GenericCom = void 0;
- var _app = __webpack_require__(2);
- var _preferences = __webpack_require__(42);
- var _download_manager = __webpack_require__(43);
- var _genericl10n = __webpack_require__(44);
- var _generic_scripting = __webpack_require__(46);
- const GenericCom = {};
- exports.GenericCom = GenericCom;
- class GenericPreferences extends _preferences.BasePreferences {
- async _writeToStorage(prefObj) {
- localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
- }
- async _readFromStorage(prefObj) {
- return JSON.parse(localStorage.getItem("pdfjs.preferences"));
- }
- }
- class GenericExternalServices extends _app.DefaultExternalServices {
- static createDownloadManager() {
- return new _download_manager.DownloadManager();
- }
- static createPreferences() {
- return new GenericPreferences();
- }
- static createL10n({ locale = "en-US" }) {
- return new _genericl10n.GenericL10n(locale);
- }
- static createScripting({ sandboxBundleSrc }) {
- return new _generic_scripting.GenericScripting(sandboxBundleSrc);
- }
- }
- _app.PDFViewerApplication.externalServices = GenericExternalServices;
- /***/
- },
- /* 2 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFViewerApplication =
- exports.PDFPrintServiceFactory =
- exports.DefaultExternalServices =
- void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdfjsLib = __webpack_require__(4);
- var _app_options = __webpack_require__(5);
- var _event_utils = __webpack_require__(6);
- var _pdf_link_service = __webpack_require__(7);
- var _webAnnotation_editor_params = __webpack_require__(8);
- var _overlay_manager = __webpack_require__(9);
- var _password_prompt = __webpack_require__(10);
- var _webPdf_attachment_viewer = __webpack_require__(11);
- var _webPdf_cursor_tools = __webpack_require__(13);
- var _webPdf_document_properties = __webpack_require__(15);
- var _webPdf_find_bar = __webpack_require__(16);
- var _pdf_find_controller = __webpack_require__(17);
- var _pdf_history = __webpack_require__(19);
- var _webPdf_layer_viewer = __webpack_require__(20);
- var _webPdf_outline_viewer = __webpack_require__(21);
- var _webPdf_presentation_mode = __webpack_require__(22);
- var _pdf_rendering_queue = __webpack_require__(23);
- var _pdf_scripting_manager = __webpack_require__(24);
- var _webPdf_sidebar = __webpack_require__(25);
- var _webPdf_sidebar_resizer = __webpack_require__(26);
- var _webPdf_thumbnail_viewer = __webpack_require__(27);
- var _pdf_viewer = __webpack_require__(29);
- var _webSecondary_toolbar = __webpack_require__(39);
- var _webToolbar = __webpack_require__(40);
- var _view_history = __webpack_require__(41);
- const FORCE_PAGES_LOADED_TIMEOUT = 10000;
- const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
- const ViewOnLoad = {
- UNKNOWN: -1,
- PREVIOUS: 0,
- INITIAL: 1,
- };
- const ViewerCssTheme = {
- AUTOMATIC: 0,
- LIGHT: 1,
- DARK: 2,
- };
- class DefaultExternalServices {
- constructor() {
- throw new Error("Cannot initialize DefaultExternalServices.");
- }
- static updateFindControlState(data) {}
- static updateFindMatchesCount(data) {}
- static initPassiveLoading(callbacks) {}
- static reportTelemetry(data) {}
- static createDownloadManager() {
- throw new Error("Not implemented: createDownloadManager");
- }
- static createPreferences() {
- throw new Error("Not implemented: createPreferences");
- }
- static createL10n(options) {
- throw new Error("Not implemented: createL10n");
- }
- static createScripting(options) {
- throw new Error("Not implemented: createScripting");
- }
- static get supportsPinchToZoom() {
- return (0, _pdfjsLib.shadow)(this, "supportsPinchToZoom", true);
- }
- static get supportsIntegratedFind() {
- return (0, _pdfjsLib.shadow)(this, "supportsIntegratedFind", false);
- }
- static get supportsDocumentFonts() {
- return (0, _pdfjsLib.shadow)(this, "supportsDocumentFonts", true);
- }
- static get supportedMouseWheelZoomModifierKeys() {
- return (0, _pdfjsLib.shadow)(
- this,
- "supportedMouseWheelZoomModifierKeys",
- {
- ctrlKey: true,
- metaKey: true,
- }
- );
- }
- static get isInAutomation() {
- return (0, _pdfjsLib.shadow)(this, "isInAutomation", false);
- }
- static updateEditorStates(data) {
- throw new Error("Not implemented: updateEditorStates");
- }
- static get canvasMaxAreaInBytes() {
- return (0, _pdfjsLib.shadow)(this, "canvasMaxAreaInBytes", -1);
- }
- }
- exports.DefaultExternalServices = DefaultExternalServices;
- const PDFViewerApplication = {
- initialBookmark: document.location.hash.substring(1),
- _initializedCapability: (0, _pdfjsLib.createPromiseCapability)(),
- appConfig: null,
- pdfDocument: null,
- pdfLoadingTask: null,
- printService: null,
- pdfViewer: null,
- pdfThumbnailViewer: null,
- pdfRenderingQueue: null,
- pdfPresentationMode: null,
- pdfDocumentProperties: null,
- pdfLinkService: null,
- pdfHistory: null,
- pdfSidebar: null,
- pdfSidebarResizer: null,
- pdfOutlineViewer: null,
- pdfAttachmentViewer: null,
- pdfLayerViewer: null,
- pdfCursorTools: null,
- pdfScriptingManager: null,
- store: null,
- downloadManager: null,
- overlayManager: null,
- preferences: null,
- toolbar: null,
- secondaryToolbar: null,
- eventBus: null,
- l10n: null,
- annotationEditorParams: null,
- isInitialViewSet: false,
- downloadComplete: false,
- isViewerEmbedded: window.parent !== window,
- url: "",
- baseUrl: "",
- _downloadUrl: "",
- externalServices: DefaultExternalServices,
- _boundEvents: Object.create(null),
- documentInfo: null,
- metadata: null,
- _contentDispositionFilename: null,
- _contentLength: null,
- _saveInProgress: false,
- _wheelUnusedTicks: 0,
- _wheelUnusedFactor: 1,
- _touchUnusedTicks: 0,
- _touchUnusedFactor: 1,
- _PDFBug: null,
- _hasAnnotationEditors: false,
- _title: document.title,
- _printAnnotationStoragePromise: null,
- _touchInfo: null,
- _isCtrlKeyDown: false,
- async initialize(appConfig) {
- this.preferences = this.externalServices.createPreferences();
- this.appConfig = appConfig;
- await this._initializeOptions();
- this._forceCssTheme();
- await this._initializeL10n();
- if (
- this.isViewerEmbedded &&
- _app_options.AppOptions.get("externalLinkTarget") ===
- _pdf_link_service.LinkTarget.NONE
- ) {
- _app_options.AppOptions.set(
- "externalLinkTarget",
- _pdf_link_service.LinkTarget.TOP
- );
- }
- await this._initializeViewerComponents();
- this.bindEvents();
- this.bindWindowEvents();
- const appContainer =
- appConfig.appContainer || document.documentElement;
- this.l10n.translate(appContainer).then(() => {
- this.eventBus.dispatch("localized", {
- source: this,
- });
- });
- this._initializedCapability.resolve();
- },
- async _initializeOptions() {
- if (_app_options.AppOptions.get("disablePreferences")) {
- if (_app_options.AppOptions.get("pdfBugEnabled")) {
- await this._parseHashParams();
- }
- return;
- }
- if (_app_options.AppOptions._hasUserOptions()) {
- console.warn(
- "_initializeOptions: The Preferences may override manually set AppOptions; " +
- 'please use the "disablePreferences"-option in order to prevent that.'
- );
- }
- try {
- _app_options.AppOptions.setAll(await this.preferences.getAll());
- } catch (reason) {
- console.error(`_initializeOptions: "${reason.message}".`);
- }
- if (_app_options.AppOptions.get("pdfBugEnabled")) {
- await this._parseHashParams();
- }
- },
- async _parseHashParams() {
- const hash = document.location.hash.substring(1);
- if (!hash) {
- return;
- }
- const { mainContainer, viewerContainer } = this.appConfig,
- params = (0, _ui_utils.parseQueryString)(hash);
- if (params.get("disableworker") === "true") {
- try {
- await loadFakeWorker();
- } catch (ex) {
- console.error(`_parseHashParams: "${ex.message}".`);
- }
- }
- if (params.has("disablerange")) {
- _app_options.AppOptions.set(
- "disableRange",
- params.get("disablerange") === "true"
- );
- }
- if (params.has("disablestream")) {
- _app_options.AppOptions.set(
- "disableStream",
- params.get("disablestream") === "true"
- );
- }
- if (params.has("disableautofetch")) {
- _app_options.AppOptions.set(
- "disableAutoFetch",
- params.get("disableautofetch") === "true"
- );
- }
- if (params.has("disablefontface")) {
- _app_options.AppOptions.set(
- "disableFontFace",
- params.get("disablefontface") === "true"
- );
- }
- if (params.has("disablehistory")) {
- _app_options.AppOptions.set(
- "disableHistory",
- params.get("disablehistory") === "true"
- );
- }
- if (params.has("verbosity")) {
- _app_options.AppOptions.set(
- "verbosity",
- params.get("verbosity") | 0
- );
- }
- if (params.has("textlayer")) {
- switch (params.get("textlayer")) {
- case "off":
- _app_options.AppOptions.set(
- "textLayerMode",
- _ui_utils.TextLayerMode.DISABLE
- );
- break;
- case "visible":
- case "shadow":
- case "hover":
- viewerContainer.classList.add(
- `textLayer-${params.get("textlayer")}`
- );
- try {
- await loadPDFBug(this);
- this._PDFBug.loadCSS();
- } catch (ex) {
- console.error(`_parseHashParams: "${ex.message}".`);
- }
- break;
- }
- }
- if (params.has("pdfbug")) {
- _app_options.AppOptions.set("pdfBug", true);
- _app_options.AppOptions.set("fontExtraProperties", true);
- const enabled = params.get("pdfbug").split(",");
- try {
- await loadPDFBug(this);
- this._PDFBug.init(
- {
- OPS: _pdfjsLib.OPS,
- },
- mainContainer,
- enabled
- );
- } catch (ex) {
- console.error(`_parseHashParams: "${ex.message}".`);
- }
- }
- if (params.has("locale")) {
- _app_options.AppOptions.set("locale", params.get("locale"));
- }
- },
- async _initializeL10n() {
- this.l10n = this.externalServices.createL10n({
- locale: _app_options.AppOptions.get("locale"),
- });
- const dir = await this.l10n.getDirection();
- document.getElementsByTagName("html")[0].dir = dir;
- },
- _forceCssTheme() {
- const cssTheme = _app_options.AppOptions.get("viewerCssTheme");
- if (
- cssTheme === ViewerCssTheme.AUTOMATIC ||
- !Object.values(ViewerCssTheme).includes(cssTheme)
- ) {
- return;
- }
- try {
- const styleSheet = document.styleSheets[0];
- const cssRules = styleSheet?.cssRules || [];
- for (let i = 0, ii = cssRules.length; i < ii; i++) {
- const rule = cssRules[i];
- if (
- rule instanceof CSSMediaRule &&
- rule.media?.[0] === "(prefers-color-scheme: dark)"
- ) {
- if (cssTheme === ViewerCssTheme.LIGHT) {
- styleSheet.deleteRule(i);
- return;
- }
- const darkRules =
- /^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(
- rule.cssText
- );
- if (darkRules?.[1]) {
- styleSheet.deleteRule(i);
- styleSheet.insertRule(darkRules[1], i);
- }
- return;
- }
- }
- } catch (reason) {
- console.error(`_forceCssTheme: "${reason?.message}".`);
- }
- },
- async _initializeViewerComponents() {
- const { appConfig, externalServices } = this;
- const eventBus = externalServices.isInAutomation
- ? new _event_utils.AutomationEventBus()
- : new _event_utils.EventBus();
- this.eventBus = eventBus;
- this.overlayManager = new _overlay_manager.OverlayManager();
- const pdfRenderingQueue =
- new _pdf_rendering_queue.PDFRenderingQueue();
- pdfRenderingQueue.onIdle = this._cleanup.bind(this);
- this.pdfRenderingQueue = pdfRenderingQueue;
- const pdfLinkService = new _pdf_link_service.PDFLinkService({
- eventBus,
- externalLinkTarget:
- _app_options.AppOptions.get("externalLinkTarget"),
- externalLinkRel: _app_options.AppOptions.get("externalLinkRel"),
- ignoreDestinationZoom: _app_options.AppOptions.get(
- "ignoreDestinationZoom"
- ),
- });
- this.pdfLinkService = pdfLinkService;
- const downloadManager = externalServices.createDownloadManager();
- this.downloadManager = downloadManager;
- const findController = new _pdf_find_controller.PDFFindController({
- linkService: pdfLinkService,
- eventBus,
- updateMatchesCountOnProgress: true,
- });
- this.findController = findController;
- const pdfScriptingManager =
- new _pdf_scripting_manager.PDFScriptingManager({
- eventBus,
- sandboxBundleSrc: _app_options.AppOptions.get("sandboxBundleSrc"),
- scriptingFactory: externalServices,
- docPropertiesLookup: this._scriptingDocProperties.bind(this),
- });
- this.pdfScriptingManager = pdfScriptingManager;
- const container = appConfig.mainContainer,
- viewer = appConfig.viewerContainer;
- const annotationEditorMode = _app_options.AppOptions.get(
- "annotationEditorMode"
- );
- const pageColors =
- _app_options.AppOptions.get("forcePageColors") ||
- window.matchMedia("(forced-colors: active)").matches
- ? {
- background: _app_options.AppOptions.get(
- "pageColorsBackground"
- ),
- foreground: _app_options.AppOptions.get(
- "pageColorsForeground"
- ),
- }
- : null;
- this.pdfViewer = new _pdf_viewer.PDFViewer({
- container,
- viewer,
- eventBus,
- renderingQueue: pdfRenderingQueue,
- linkService: pdfLinkService,
- downloadManager,
- findController,
- scriptingManager:
- _app_options.AppOptions.get("enableScripting") &&
- pdfScriptingManager,
- renderer: _app_options.AppOptions.get("renderer"),
- l10n: this.l10n,
- textLayerMode: _app_options.AppOptions.get("textLayerMode"),
- annotationMode: _app_options.AppOptions.get("annotationMode"),
- annotationEditorMode,
- imageResourcesPath:
- _app_options.AppOptions.get("imageResourcesPath"),
- enablePrintAutoRotate: _app_options.AppOptions.get(
- "enablePrintAutoRotate"
- ),
- useOnlyCssZoom: _app_options.AppOptions.get("useOnlyCssZoom"),
- isOffscreenCanvasSupported: _app_options.AppOptions.get(
- "isOffscreenCanvasSupported"
- ),
- maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels"),
- enablePermissions: _app_options.AppOptions.get("enablePermissions"),
- pageColors,
- });
- pdfRenderingQueue.setViewer(this.pdfViewer);
- pdfLinkService.setViewer(this.pdfViewer);
- pdfScriptingManager.setViewer(this.pdfViewer);
- if (appConfig.sidebar?.thumbnailView) {
- this.pdfThumbnailViewer =
- new _webPdf_thumbnail_viewer.PDFThumbnailViewer({
- container: appConfig.sidebar.thumbnailView,
- renderingQueue: pdfRenderingQueue,
- linkService: pdfLinkService,
- l10n: this.l10n,
- pageColors,
- });
- pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
- }
- if (
- !this.isViewerEmbedded &&
- !_app_options.AppOptions.get("disableHistory")
- ) {
- this.pdfHistory = new _pdf_history.PDFHistory({
- linkService: pdfLinkService,
- eventBus,
- });
- pdfLinkService.setHistory(this.pdfHistory);
- }
- if (!this.supportsIntegratedFind && appConfig.findBar) {
- this.findBar = new _webPdf_find_bar.PDFFindBar(
- appConfig.findBar,
- eventBus,
- this.l10n
- );
- }
- if (appConfig.annotationEditorParams) {
- if (
- annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE
- ) {
- this.annotationEditorParams =
- new _webAnnotation_editor_params.AnnotationEditorParams(
- appConfig.annotationEditorParams,
- eventBus
- );
- } else {
- for (const id of ["editorModeButtons", "editorModeSeparator"]) {
- document.getElementById(id)?.classList.add("hidden");
- }
- }
- }
- if (appConfig.documentProperties) {
- this.pdfDocumentProperties =
- new _webPdf_document_properties.PDFDocumentProperties(
- appConfig.documentProperties,
- this.overlayManager,
- eventBus,
- this.l10n,
- () => {
- return this._docFilename;
- }
- );
- }
- if (appConfig.secondaryToolbar?.cursorHandToolButton) {
- this.pdfCursorTools = new _webPdf_cursor_tools.PDFCursorTools({
- container,
- eventBus,
- cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad"),
- });
- }
- if (appConfig.toolbar) {
- this.toolbar = new _webToolbar.Toolbar(
- appConfig.toolbar,
- eventBus,
- this.l10n
- );
- }
- if (appConfig.secondaryToolbar) {
- this.secondaryToolbar = new _webSecondary_toolbar.SecondaryToolbar(
- appConfig.secondaryToolbar,
- eventBus,
- this.externalServices
- );
- }
- if (
- this.supportsFullscreen &&
- appConfig.secondaryToolbar?.presentationModeButton
- ) {
- this.pdfPresentationMode =
- new _webPdf_presentation_mode.PDFPresentationMode({
- container,
- pdfViewer: this.pdfViewer,
- eventBus,
- });
- }
- if (appConfig.passwordOverlay) {
- this.passwordPrompt = new _password_prompt.PasswordPrompt(
- appConfig.passwordOverlay,
- this.overlayManager,
- this.l10n,
- this.isViewerEmbedded
- );
- }
- if (appConfig.sidebar?.outlineView) {
- this.pdfOutlineViewer = new _webPdf_outline_viewer.PDFOutlineViewer(
- {
- container: appConfig.sidebar.outlineView,
- eventBus,
- linkService: pdfLinkService,
- downloadManager,
- }
- );
- }
- if (appConfig.sidebar?.attachmentsView) {
- this.pdfAttachmentViewer =
- new _webPdf_attachment_viewer.PDFAttachmentViewer({
- container: appConfig.sidebar.attachmentsView,
- eventBus,
- downloadManager,
- });
- }
- if (appConfig.sidebar?.layersView) {
- this.pdfLayerViewer = new _webPdf_layer_viewer.PDFLayerViewer({
- container: appConfig.sidebar.layersView,
- eventBus,
- l10n: this.l10n,
- });
- }
- if (appConfig.sidebar) {
- this.pdfSidebar = new _webPdf_sidebar.PDFSidebar({
- elements: appConfig.sidebar,
- pdfViewer: this.pdfViewer,
- pdfThumbnailViewer: this.pdfThumbnailViewer,
- eventBus,
- l10n: this.l10n,
- });
- this.pdfSidebar.onToggled = this.forceRendering.bind(this);
- this.pdfSidebarResizer =
- new _webPdf_sidebar_resizer.PDFSidebarResizer(
- appConfig.sidebarResizer,
- eventBus,
- this.l10n
- );
- }
- },
- run(config) {
- this.initialize(config).then(webViewerInitialized);
- },
- get initialized() {
- return this._initializedCapability.settled;
- },
- get initializedPromise() {
- return this._initializedCapability.promise;
- },
- zoomIn(steps, scaleFactor) {
- if (this.pdfViewer.isInPresentationMode) {
- return;
- }
- this.pdfViewer.increaseScale({
- drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"),
- steps,
- scaleFactor,
- });
- },
- zoomOut(steps, scaleFactor) {
- if (this.pdfViewer.isInPresentationMode) {
- return;
- }
- this.pdfViewer.decreaseScale({
- drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"),
- steps,
- scaleFactor,
- });
- },
- zoomReset() {
- if (this.pdfViewer.isInPresentationMode) {
- return;
- }
- this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
- },
- get pagesCount() {
- return this.pdfDocument ? this.pdfDocument.numPages : 0;
- },
- get page() {
- return this.pdfViewer.currentPageNumber;
- },
- set page(val) {
- this.pdfViewer.currentPageNumber = val;
- },
- get supportsPrinting() {
- return PDFPrintServiceFactory.instance.supportsPrinting;
- },
- get supportsFullscreen() {
- return (0, _pdfjsLib.shadow)(
- this,
- "supportsFullscreen",
- document.fullscreenEnabled
- );
- },
- get supportsPinchToZoom() {
- return this.externalServices.supportsPinchToZoom;
- },
- get supportsIntegratedFind() {
- return this.externalServices.supportsIntegratedFind;
- },
- get supportsDocumentFonts() {
- return this.externalServices.supportsDocumentFonts;
- },
- get loadingBar() {
- const barElement = document.getElementById("loadingBar");
- const bar = barElement ? new _ui_utils.ProgressBar(barElement) : null;
- return (0, _pdfjsLib.shadow)(this, "loadingBar", bar);
- },
- get supportedMouseWheelZoomModifierKeys() {
- return this.externalServices.supportedMouseWheelZoomModifierKeys;
- },
- initPassiveLoading() {
- throw new Error("Not implemented: initPassiveLoading");
- },
- setTitleUsingUrl(url = "", downloadUrl = null) {
- this.url = url;
- this.baseUrl = url.split("#")[0];
- if (downloadUrl) {
- this._downloadUrl =
- downloadUrl === url ? this.baseUrl : downloadUrl.split("#")[0];
- }
- if ((0, _pdfjsLib.isDataScheme)(url)) {
- this._hideViewBookmark();
- }
- let title = (0, _pdfjsLib.getPdfFilenameFromUrl)(url, "");
- if (!title) {
- try {
- title =
- decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) ||
- url;
- } catch (ex) {
- title = url;
- }
- }
- this.setTitle(title);
- },
- setTitle(title = this._title) {
- this._title = title;
- if (this.isViewerEmbedded) {
- return;
- }
- const editorIndicator =
- this._hasAnnotationEditors && !this.pdfRenderingQueue.printing;
- document.title = `${editorIndicator ? "* " : ""}${title}`;
- },
- get _docFilename() {
- return (
- this._contentDispositionFilename ||
- (0, _pdfjsLib.getPdfFilenameFromUrl)(this.url)
- );
- },
- _hideViewBookmark() {
- const { secondaryToolbar } = this.appConfig;
- secondaryToolbar?.viewBookmarkButton.classList.add("hidden");
- if (
- secondaryToolbar?.presentationModeButton.classList.contains(
- "hidden"
- )
- ) {
- document
- .getElementById("viewBookmarkSeparator")
- ?.classList.add("hidden");
- }
- },
- async close() {
- this._unblockDocumentLoadEvent();
- this._hideViewBookmark();
- if (!this.pdfLoadingTask) {
- return;
- }
- if (
- this.pdfDocument?.annotationStorage.size > 0 &&
- this._annotationStorageModified
- ) {
- try {
- await this.save();
- } catch (reason) {}
- }
- const promises = [];
- promises.push(this.pdfLoadingTask.destroy());
- this.pdfLoadingTask = null;
- if (this.pdfDocument) {
- this.pdfDocument = null;
- this.pdfThumbnailViewer?.setDocument(null);
- this.pdfViewer.setDocument(null);
- this.pdfLinkService.setDocument(null);
- this.pdfDocumentProperties?.setDocument(null);
- }
- this.pdfLinkService.externalLinkEnabled = true;
- this.store = null;
- this.isInitialViewSet = false;
- this.downloadComplete = false;
- this.url = "";
- this.baseUrl = "";
- this._downloadUrl = "";
- this.documentInfo = null;
- this.metadata = null;
- this._contentDispositionFilename = null;
- this._contentLength = null;
- this._saveInProgress = false;
- this._hasAnnotationEditors = false;
- promises.push(this.pdfScriptingManager.destroyPromise);
- this.setTitle();
- this.pdfSidebar?.reset();
- this.pdfOutlineViewer?.reset();
- this.pdfAttachmentViewer?.reset();
- this.pdfLayerViewer?.reset();
- this.pdfHistory?.reset();
- this.findBar?.reset();
- this.toolbar?.reset();
- this.secondaryToolbar?.reset();
- this._PDFBug?.cleanup();
- await Promise.all(promises);
- },
- async open(args) {
- let deprecatedArgs = false;
- if (typeof args === "string") {
- args = {
- url: args,
- };
- deprecatedArgs = true;
- } else if (args?.byteLength) {
- args = {
- data: args,
- };
- deprecatedArgs = true;
- }
- if (deprecatedArgs) {
- console.error(
- "The `PDFViewerApplication.open` signature was updated, please use an object instead."
- );
- }
- if (this.pdfLoadingTask) {
- await this.close();
- }
- const workerParams = _app_options.AppOptions.getAll(
- _app_options.OptionKind.WORKER
- );
- Object.assign(_pdfjsLib.GlobalWorkerOptions, workerParams);
- if (args.url) {
- this.setTitleUsingUrl(args.originalUrl || args.url, args.url);
- }
- const apiParams = _app_options.AppOptions.getAll(
- _app_options.OptionKind.API
- );
- const params = {
- canvasMaxAreaInBytes: this.externalServices.canvasMaxAreaInBytes,
- ...apiParams,
- ...args,
- };
- const loadingTask = (0, _pdfjsLib.getDocument)(params);
- this.pdfLoadingTask = loadingTask;
- loadingTask.onPassword = (updateCallback, reason) => {
- if (this.isViewerEmbedded) {
- this._unblockDocumentLoadEvent();
- }
- this.pdfLinkService.externalLinkEnabled = false;
- this.passwordPrompt.setUpdateCallback(updateCallback, reason);
- this.passwordPrompt.open();
- };
- loadingTask.onProgress = ({ loaded, total }) => {
- this.progress(loaded / total);
- };
- return loadingTask.promise.then(
- (pdfDocument) => {
- this.load(pdfDocument);
- },
- (reason) => {
- if (loadingTask !== this.pdfLoadingTask) {
- return undefined;
- }
- let key = "loading_error";
- if (reason instanceof _pdfjsLib.InvalidPDFException) {
- key = "invalid_file_error";
- } else if (reason instanceof _pdfjsLib.MissingPDFException) {
- key = "missing_file_error";
- } else if (
- reason instanceof _pdfjsLib.UnexpectedResponseException
- ) {
- key = "unexpected_response_error";
- }
- return this.l10n.get(key).then((msg) => {
- this._documentError(msg, {
- message: reason?.message,
- });
- throw reason;
- });
- }
- );
- },
- _ensureDownloadComplete() {
- if (this.pdfDocument && this.downloadComplete) {
- return;
- }
- throw new Error("PDF document not downloaded.");
- },
- async download() {
- const url = this._downloadUrl,
- filename = this._docFilename;
- try {
- this._ensureDownloadComplete();
- const data = await this.pdfDocument.getData();
- const blob = new Blob([data], {
- type: "application/pdf",
- });
- await this.downloadManager.download(blob, url, filename);
- } catch (reason) {
- await this.downloadManager.downloadUrl(url, filename);
- }
- },
- async save() {
- if (this._saveInProgress) {
- return;
- }
- this._saveInProgress = true;
- await this.pdfScriptingManager.dispatchWillSave();
- const url = this._downloadUrl,
- filename = this._docFilename;
- try {
- this._ensureDownloadComplete();
- const data = await this.pdfDocument.saveDocument();
- const blob = new Blob([data], {
- type: "application/pdf",
- });
- await this.downloadManager.download(blob, url, filename);
- } catch (reason) {
- console.error(`Error when saving the document: ${reason.message}`);
- await this.download();
- } finally {
- await this.pdfScriptingManager.dispatchDidSave();
- this._saveInProgress = false;
- }
- if (this._hasAnnotationEditors) {
- this.externalServices.reportTelemetry({
- type: "editing",
- data: {
- type: "save",
- },
- });
- }
- },
- downloadOrSave() {
- if (this.pdfDocument?.annotationStorage.size > 0) {
- this.save();
- } else {
- this.download();
- }
- },
- _documentError(message, moreInfo = null) {
- this._unblockDocumentLoadEvent();
- this._otherError(message, moreInfo);
- this.eventBus.dispatch("documenterror", {
- source: this,
- message,
- reason: moreInfo?.message ?? null,
- });
- },
- _otherError(message, moreInfo = null) {
- const moreInfoText = [
- `PDF.js v${_pdfjsLib.version || "?"} (build: ${
- _pdfjsLib.build || "?"
- })`,
- ];
- if (moreInfo) {
- moreInfoText.push(`Message: ${moreInfo.message}`);
- if (moreInfo.stack) {
- moreInfoText.push(`Stack: ${moreInfo.stack}`);
- } else {
- if (moreInfo.filename) {
- moreInfoText.push(`File: ${moreInfo.filename}`);
- }
- if (moreInfo.lineNumber) {
- moreInfoText.push(`Line: ${moreInfo.lineNumber}`);
- }
- }
- }
- console.error(`${message}\n\n${moreInfoText.join("\n")}`);
- },
- progress(level) {
- if (!this.loadingBar || this.downloadComplete) {
- return;
- }
- const percent = Math.round(level * 100);
- if (percent <= this.loadingBar.percent) {
- return;
- }
- this.loadingBar.percent = percent;
- if (
- this.pdfDocument?.loadingParams.disableAutoFetch ??
- _app_options.AppOptions.get("disableAutoFetch")
- ) {
- this.loadingBar.setDisableAutoFetch();
- }
- },
- load(pdfDocument) {
- this.pdfDocument = pdfDocument;
- pdfDocument.getDownloadInfo().then(({ length }) => {
- this._contentLength = length;
- this.downloadComplete = true;
- this.loadingBar?.hide();
- firstPagePromise.then(() => {
- this.eventBus.dispatch("documentloaded", {
- source: this,
- });
- });
- });
- const pageLayoutPromise = pdfDocument
- .getPageLayout()
- .catch(function () {});
- const pageModePromise = pdfDocument
- .getPageMode()
- .catch(function () {});
- const openActionPromise = pdfDocument
- .getOpenAction()
- .catch(function () {});
- this.toolbar?.setPagesCount(pdfDocument.numPages, false);
- this.secondaryToolbar?.setPagesCount(pdfDocument.numPages);
- this.pdfLinkService.setDocument(pdfDocument);
- this.pdfDocumentProperties?.setDocument(pdfDocument);
- const pdfViewer = this.pdfViewer;
- pdfViewer.setDocument(pdfDocument);
- const { firstPagePromise, onePageRendered, pagesPromise } = pdfViewer;
- this.pdfThumbnailViewer?.setDocument(pdfDocument);
- const storedPromise = (this.store = new _view_history.ViewHistory(
- pdfDocument.fingerprints[0]
- ))
- .getMultiple({
- page: null,
- zoom: _ui_utils.DEFAULT_SCALE_VALUE,
- scrollLeft: "0",
- scrollTop: "0",
- rotation: null,
- sidebarView: _ui_utils.SidebarView.UNKNOWN,
- scrollMode: _ui_utils.ScrollMode.UNKNOWN,
- spreadMode: _ui_utils.SpreadMode.UNKNOWN,
- })
- .catch(() => {
- return Object.create(null);
- });
- firstPagePromise.then((pdfPage) => {
- this.loadingBar?.setWidth(this.appConfig.viewerContainer);
- this._initializeAnnotationStorageCallbacks(pdfDocument);
- Promise.all([
- _ui_utils.animationStarted,
- storedPromise,
- pageLayoutPromise,
- pageModePromise,
- openActionPromise,
- ])
- .then(
- async ([
- timeStamp,
- stored,
- pageLayout,
- pageMode,
- openAction,
- ]) => {
- const viewOnLoad = _app_options.AppOptions.get("viewOnLoad");
- this._initializePdfHistory({
- fingerprint: pdfDocument.fingerprints[0],
- viewOnLoad,
- initialDest: openAction?.dest,
- });
- const initialBookmark = this.initialBookmark;
- const zoom = _app_options.AppOptions.get("defaultZoomValue");
- let hash = zoom ? `zoom=${zoom}` : null;
- let rotation = null;
- let sidebarView =
- _app_options.AppOptions.get("sidebarViewOnLoad");
- let scrollMode =
- _app_options.AppOptions.get("scrollModeOnLoad");
- let spreadMode =
- _app_options.AppOptions.get("spreadModeOnLoad");
- if (stored.page && viewOnLoad !== ViewOnLoad.INITIAL) {
- hash =
- `page=${stored.page}&zoom=${zoom || stored.zoom},` +
- `${stored.scrollLeft},${stored.scrollTop}`;
- rotation = parseInt(stored.rotation, 10);
- if (sidebarView === _ui_utils.SidebarView.UNKNOWN) {
- sidebarView = stored.sidebarView | 0;
- }
- if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
- scrollMode = stored.scrollMode | 0;
- }
- if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
- spreadMode = stored.spreadMode | 0;
- }
- }
- if (
- pageMode &&
- sidebarView === _ui_utils.SidebarView.UNKNOWN
- ) {
- sidebarView = (0, _ui_utils.apiPageModeToSidebarView)(
- pageMode
- );
- }
- if (
- pageLayout &&
- scrollMode === _ui_utils.ScrollMode.UNKNOWN &&
- spreadMode === _ui_utils.SpreadMode.UNKNOWN
- ) {
- const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(
- pageLayout
- );
- spreadMode = modes.spreadMode;
- }
- this.setInitialView(hash, {
- rotation,
- sidebarView,
- scrollMode,
- spreadMode,
- });
- this.eventBus.dispatch("documentinit", {
- source: this,
- });
- if (!this.isViewerEmbedded) {
- pdfViewer.focus();
- }
- await Promise.race([
- pagesPromise,
- new Promise((resolve) => {
- setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT);
- }),
- ]);
- if (!initialBookmark && !hash) {
- return;
- }
- if (pdfViewer.hasEqualPageSizes) {
- return;
- }
- this.initialBookmark = initialBookmark;
- pdfViewer.currentScaleValue = pdfViewer.currentScaleValue;
- this.setInitialView(hash);
- }
- )
- .catch(() => {
- this.setInitialView();
- })
- .then(function () {
- pdfViewer.update();
- });
- });
- pagesPromise.then(
- () => {
- this._unblockDocumentLoadEvent();
- this._initializeAutoPrint(pdfDocument, openActionPromise);
- },
- (reason) => {
- this.l10n.get("loading_error").then((msg) => {
- this._documentError(msg, {
- message: reason?.message,
- });
- });
- }
- );
- onePageRendered.then((data) => {
- this.externalServices.reportTelemetry({
- type: "pageInfo",
- timestamp: data.timestamp,
- });
- if (this.pdfOutlineViewer) {
- pdfDocument.getOutline().then((outline) => {
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- this.pdfOutlineViewer.render({
- outline,
- pdfDocument,
- });
- });
- }
- if (this.pdfAttachmentViewer) {
- pdfDocument.getAttachments().then((attachments) => {
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- this.pdfAttachmentViewer.render({
- attachments,
- });
- });
- }
- if (this.pdfLayerViewer) {
- pdfViewer.optionalContentConfigPromise.then(
- (optionalContentConfig) => {
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- this.pdfLayerViewer.render({
- optionalContentConfig,
- pdfDocument,
- });
- }
- );
- }
- });
- this._initializePageLabels(pdfDocument);
- this._initializeMetadata(pdfDocument);
- },
- async _scriptingDocProperties(pdfDocument) {
- if (!this.documentInfo) {
- await new Promise((resolve) => {
- this.eventBus._on("metadataloaded", resolve, {
- once: true,
- });
- });
- if (pdfDocument !== this.pdfDocument) {
- return null;
- }
- }
- if (!this._contentLength) {
- await new Promise((resolve) => {
- this.eventBus._on("documentloaded", resolve, {
- once: true,
- });
- });
- if (pdfDocument !== this.pdfDocument) {
- return null;
- }
- }
- return {
- ...this.documentInfo,
- baseURL: this.baseUrl,
- filesize: this._contentLength,
- filename: this._docFilename,
- metadata: this.metadata?.getRaw(),
- authors: this.metadata?.get("dc:creator"),
- numPages: this.pagesCount,
- URL: this.url,
- };
- },
- async _initializeAutoPrint(pdfDocument, openActionPromise) {
- const [openAction, javaScript] = await Promise.all([
- openActionPromise,
- !this.pdfViewer.enableScripting
- ? pdfDocument.getJavaScript()
- : null,
- ]);
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- let triggerAutoPrint = false;
- if (openAction?.action === "Print") {
- triggerAutoPrint = true;
- }
- if (javaScript) {
- javaScript.some((js) => {
- if (!js) {
- return false;
- }
- console.warn("Warning: JavaScript support is not enabled");
- return true;
- });
- if (!triggerAutoPrint) {
- for (const js of javaScript) {
- if (js && _ui_utils.AutoPrintRegExp.test(js)) {
- triggerAutoPrint = true;
- break;
- }
- }
- }
- }
- if (triggerAutoPrint) {
- this.triggerPrinting();
- }
- },
- async _initializeMetadata(pdfDocument) {
- const { info, metadata, contentDispositionFilename, contentLength } =
- await pdfDocument.getMetadata();
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- this.documentInfo = info;
- this.metadata = metadata;
- this._contentDispositionFilename ??= contentDispositionFilename;
- this._contentLength ??= contentLength;
- console.log(
- `PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` +
- `${(info.Producer || "-").trim()} / ${(
- info.Creator || "-"
- ).trim()}] ` +
- `(PDF.js: ${_pdfjsLib.version || "?"} [${
- _pdfjsLib.build || "?"
- }])`
- );
- let pdfTitle = info.Title;
- const metadataTitle = metadata?.get("dc:title");
- if (metadataTitle) {
- if (
- metadataTitle !== "Untitled" &&
- !/[\uFFF0-\uFFFF]/g.test(metadataTitle)
- ) {
- pdfTitle = metadataTitle;
- }
- }
- if (pdfTitle) {
- this.setTitle(
- `${pdfTitle} - ${this._contentDispositionFilename || this._title}`
- );
- } else if (this._contentDispositionFilename) {
- this.setTitle(this._contentDispositionFilename);
- }
- if (
- info.IsXFAPresent &&
- !info.IsAcroFormPresent &&
- !pdfDocument.isPureXfa
- ) {
- if (pdfDocument.loadingParams.enableXfa) {
- console.warn(
- "Warning: XFA Foreground documents are not supported"
- );
- } else {
- console.warn("Warning: XFA support is not enabled");
- }
- } else if (
- (info.IsAcroFormPresent || info.IsXFAPresent) &&
- !this.pdfViewer.renderForms
- ) {
- console.warn("Warning: Interactive form support is not enabled");
- }
- if (info.IsSignaturesPresent) {
- console.warn(
- "Warning: Digital signatures validation is not supported"
- );
- }
- this.eventBus.dispatch("metadataloaded", {
- source: this,
- });
- },
- async _initializePageLabels(pdfDocument) {
- const labels = await pdfDocument.getPageLabels();
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- if (!labels || _app_options.AppOptions.get("disablePageLabels")) {
- return;
- }
- const numLabels = labels.length;
- let standardLabels = 0,
- emptyLabels = 0;
- for (let i = 0; i < numLabels; i++) {
- const label = labels[i];
- if (label === (i + 1).toString()) {
- standardLabels++;
- } else if (label === "") {
- emptyLabels++;
- } else {
- break;
- }
- }
- if (standardLabels >= numLabels || emptyLabels >= numLabels) {
- return;
- }
- const { pdfViewer, pdfThumbnailViewer, toolbar } = this;
- pdfViewer.setPageLabels(labels);
- pdfThumbnailViewer?.setPageLabels(labels);
- toolbar?.setPagesCount(numLabels, true);
- toolbar?.setPageNumber(
- pdfViewer.currentPageNumber,
- pdfViewer.currentPageLabel
- );
- },
- _initializePdfHistory({ fingerprint, viewOnLoad, initialDest = null }) {
- if (!this.pdfHistory) {
- return;
- }
- this.pdfHistory.initialize({
- fingerprint,
- resetHistory: viewOnLoad === ViewOnLoad.INITIAL,
- updateUrl: _app_options.AppOptions.get("historyUpdateUrl"),
- });
- if (this.pdfHistory.initialBookmark) {
- this.initialBookmark = this.pdfHistory.initialBookmark;
- this.initialRotation = this.pdfHistory.initialRotation;
- }
- if (
- initialDest &&
- !this.initialBookmark &&
- viewOnLoad === ViewOnLoad.UNKNOWN
- ) {
- this.initialBookmark = JSON.stringify(initialDest);
- this.pdfHistory.push({
- explicitDest: initialDest,
- pageNumber: null,
- });
- }
- },
- _initializeAnnotationStorageCallbacks(pdfDocument) {
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- const { annotationStorage } = pdfDocument;
- annotationStorage.onSetModified = () => {
- window.addEventListener("beforeunload", beforeUnload);
- this._annotationStorageModified = true;
- };
- annotationStorage.onResetModified = () => {
- window.removeEventListener("beforeunload", beforeUnload);
- delete this._annotationStorageModified;
- };
- annotationStorage.onAnnotationEditor = (typeStr) => {
- this._hasAnnotationEditors = !!typeStr;
- this.setTitle();
- if (typeStr) {
- this.externalServices.reportTelemetry({
- type: "editing",
- data: {
- type: typeStr,
- },
- });
- }
- };
- },
- setInitialView(
- storedHash,
- { rotation, sidebarView, scrollMode, spreadMode } = {}
- ) {
- const setRotation = (angle) => {
- if ((0, _ui_utils.isValidRotation)(angle)) {
- this.pdfViewer.pagesRotation = angle;
- }
- };
- const setViewerModes = (scroll, spread) => {
- if ((0, _ui_utils.isValidScrollMode)(scroll)) {
- this.pdfViewer.scrollMode = scroll;
- }
- if ((0, _ui_utils.isValidSpreadMode)(spread)) {
- this.pdfViewer.spreadMode = spread;
- }
- };
- this.isInitialViewSet = true;
- this.pdfSidebar?.setInitialView(sidebarView);
- setViewerModes(scrollMode, spreadMode);
- if (this.initialBookmark) {
- setRotation(this.initialRotation);
- delete this.initialRotation;
- this.pdfLinkService.setHash(this.initialBookmark);
- this.initialBookmark = null;
- } else if (storedHash) {
- setRotation(rotation);
- this.pdfLinkService.setHash(storedHash);
- }
- this.toolbar?.setPageNumber(
- this.pdfViewer.currentPageNumber,
- this.pdfViewer.currentPageLabel
- );
- this.secondaryToolbar?.setPageNumber(
- this.pdfViewer.currentPageNumber
- );
- if (!this.pdfViewer.currentScaleValue) {
- this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
- }
- },
- _cleanup() {
- if (!this.pdfDocument) {
- return;
- }
- this.pdfViewer.cleanup();
- this.pdfThumbnailViewer?.cleanup();
- this.pdfDocument.cleanup(
- this.pdfViewer.renderer === _ui_utils.RendererType.SVG
- );
- },
- forceRendering() {
- this.pdfRenderingQueue.printing = !!this.printService;
- this.pdfRenderingQueue.isThumbnailViewEnabled =
- this.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS;
- this.pdfRenderingQueue.renderHighestPriority();
- },
- beforePrint() {
- this._printAnnotationStoragePromise = this.pdfScriptingManager
- .dispatchWillPrint()
- .catch(() => {})
- .then(() => {
- return this.pdfDocument?.annotationStorage.print;
- });
- if (this.printService) {
- return;
- }
- if (!this.supportsPrinting) {
- this.l10n.get("printing_not_supported").then((msg) => {
- this._otherError(msg);
- });
- return;
- }
- if (!this.pdfViewer.pageViewsReady) {
- this.l10n.get("printing_not_ready").then((msg) => {
- window.alert(msg);
- });
- return;
- }
- const pagesOverview = this.pdfViewer.getPagesOverview();
- const printContainer = this.appConfig.printContainer;
- const printResolution =
- _app_options.AppOptions.get("printResolution");
- const optionalContentConfigPromise =
- this.pdfViewer.optionalContentConfigPromise;
- const printService =
- PDFPrintServiceFactory.instance.createPrintService(
- this.pdfDocument,
- pagesOverview,
- printContainer,
- printResolution,
- optionalContentConfigPromise,
- this._printAnnotationStoragePromise,
- this.l10n
- );
- this.printService = printService;
- this.forceRendering();
- this.setTitle();
- printService.layout();
- if (this._hasAnnotationEditors) {
- this.externalServices.reportTelemetry({
- type: "editing",
- data: {
- type: "print",
- },
- });
- }
- },
- afterPrint() {
- if (this._printAnnotationStoragePromise) {
- this._printAnnotationStoragePromise.then(() => {
- this.pdfScriptingManager.dispatchDidPrint();
- });
- this._printAnnotationStoragePromise = null;
- }
- if (this.printService) {
- this.printService.destroy();
- this.printService = null;
- this.pdfDocument?.annotationStorage.resetModified();
- }
- this.forceRendering();
- this.setTitle();
- },
- rotatePages(delta) {
- this.pdfViewer.pagesRotation += delta;
- },
- requestPresentationMode() {
- this.pdfPresentationMode?.request();
- },
- triggerPrinting() {
- if (!this.supportsPrinting) {
- return;
- }
- window.print();
- },
- bindEvents() {
- const { eventBus, _boundEvents } = this;
- _boundEvents.beforePrint = this.beforePrint.bind(this);
- _boundEvents.afterPrint = this.afterPrint.bind(this);
- eventBus._on("resize", webViewerResize);
- eventBus._on("hashchange", webViewerHashchange);
- eventBus._on("beforeprint", _boundEvents.beforePrint);
- eventBus._on("afterprint", _boundEvents.afterPrint);
- eventBus._on("pagerender", webViewerPageRender);
- eventBus._on("pagerendered", webViewerPageRendered);
- eventBus._on("updateviewarea", webViewerUpdateViewarea);
- eventBus._on("pagechanging", webViewerPageChanging);
- eventBus._on("scalechanging", webViewerScaleChanging);
- eventBus._on("rotationchanging", webViewerRotationChanging);
- eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged);
- eventBus._on("pagemode", webViewerPageMode);
- eventBus._on("namedaction", webViewerNamedAction);
- eventBus._on(
- "presentationmodechanged",
- webViewerPresentationModeChanged
- );
- eventBus._on("presentationmode", webViewerPresentationMode);
- eventBus._on(
- "switchannotationeditormode",
- webViewerSwitchAnnotationEditorMode
- );
- eventBus._on(
- "switchannotationeditorparams",
- webViewerSwitchAnnotationEditorParams
- );
- eventBus._on("print", webViewerPrint);
- eventBus._on("download", webViewerDownload);
- eventBus._on("firstpage", webViewerFirstPage);
- eventBus._on("lastpage", webViewerLastPage);
- eventBus._on("nextpage", webViewerNextPage);
- eventBus._on("previouspage", webViewerPreviousPage);
- eventBus._on("zoomin", webViewerZoomIn);
- eventBus._on("zoomout", webViewerZoomOut);
- eventBus._on("zoomreset", webViewerZoomReset);
- eventBus._on("pagenumberchanged", webViewerPageNumberChanged);
- eventBus._on("scalechanged", webViewerScaleChanged);
- eventBus._on("rotatecw", webViewerRotateCw);
- eventBus._on("rotateccw", webViewerRotateCcw);
- eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig);
- eventBus._on("switchscrollmode", webViewerSwitchScrollMode);
- eventBus._on("scrollmodechanged", webViewerScrollModeChanged);
- eventBus._on("switchspreadmode", webViewerSwitchSpreadMode);
- eventBus._on("spreadmodechanged", webViewerSpreadModeChanged);
- eventBus._on("documentproperties", webViewerDocumentProperties);
- eventBus._on("findfromurlhash", webViewerFindFromUrlHash);
- eventBus._on(
- "updatefindmatchescount",
- webViewerUpdateFindMatchesCount
- );
- eventBus._on(
- "updatefindcontrolstate",
- webViewerUpdateFindControlState
- );
- if (_app_options.AppOptions.get("pdfBug")) {
- _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug;
- eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug);
- eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug);
- }
- eventBus._on("fileinputchange", webViewerFileInputChange);
- eventBus._on("openfile", webViewerOpenFile);
- },
- bindWindowEvents() {
- const { eventBus, _boundEvents } = this;
- function addWindowResolutionChange(evt = null) {
- if (evt) {
- webViewerResolutionChange(evt);
- }
- const mediaQueryList = window.matchMedia(
- `(resolution: ${window.devicePixelRatio || 1}dppx)`
- );
- mediaQueryList.addEventListener(
- "change",
- addWindowResolutionChange,
- {
- once: true,
- }
- );
- _boundEvents.removeWindowResolutionChange ||= function () {
- mediaQueryList.removeEventListener(
- "change",
- addWindowResolutionChange
- );
- _boundEvents.removeWindowResolutionChange = null;
- };
- }
- addWindowResolutionChange();
- _boundEvents.windowResize = () => {
- eventBus.dispatch("resize", {
- source: window,
- });
- };
- _boundEvents.windowHashChange = () => {
- eventBus.dispatch("hashchange", {
- source: window,
- hash: document.location.hash.substring(1),
- });
- };
- _boundEvents.windowBeforePrint = () => {
- eventBus.dispatch("beforeprint", {
- source: window,
- });
- };
- _boundEvents.windowAfterPrint = () => {
- eventBus.dispatch("afterprint", {
- source: window,
- });
- };
- _boundEvents.windowUpdateFromSandbox = (event) => {
- eventBus.dispatch("updatefromsandbox", {
- source: window,
- detail: event.detail,
- });
- };
- window.addEventListener(
- "visibilitychange",
- webViewerVisibilityChange
- );
- window.addEventListener("wheel", webViewerWheel, {
- passive: false,
- });
- window.addEventListener("touchstart", webViewerTouchStart, {
- passive: false,
- });
- window.addEventListener("touchmove", webViewerTouchMove, {
- passive: false,
- });
- window.addEventListener("touchend", webViewerTouchEnd, {
- passive: false,
- });
- window.addEventListener("click", webViewerClick);
- window.addEventListener("keydown", webViewerKeyDown);
- window.addEventListener("keyup", webViewerKeyUp);
- window.addEventListener("resize", _boundEvents.windowResize);
- window.addEventListener("hashchange", _boundEvents.windowHashChange);
- window.addEventListener(
- "beforeprint",
- _boundEvents.windowBeforePrint
- );
- window.addEventListener("afterprint", _boundEvents.windowAfterPrint);
- window.addEventListener(
- "updatefromsandbox",
- _boundEvents.windowUpdateFromSandbox
- );
- },
- unbindEvents() {
- const { eventBus, _boundEvents } = this;
- eventBus._off("resize", webViewerResize);
- eventBus._off("hashchange", webViewerHashchange);
- eventBus._off("beforeprint", _boundEvents.beforePrint);
- eventBus._off("afterprint", _boundEvents.afterPrint);
- eventBus._off("pagerender", webViewerPageRender);
- eventBus._off("pagerendered", webViewerPageRendered);
- eventBus._off("updateviewarea", webViewerUpdateViewarea);
- eventBus._off("pagechanging", webViewerPageChanging);
- eventBus._off("scalechanging", webViewerScaleChanging);
- eventBus._off("rotationchanging", webViewerRotationChanging);
- eventBus._off("sidebarviewchanged", webViewerSidebarViewChanged);
- eventBus._off("pagemode", webViewerPageMode);
- eventBus._off("namedaction", webViewerNamedAction);
- eventBus._off(
- "presentationmodechanged",
- webViewerPresentationModeChanged
- );
- eventBus._off("presentationmode", webViewerPresentationMode);
- eventBus._off("print", webViewerPrint);
- eventBus._off("download", webViewerDownload);
- eventBus._off("firstpage", webViewerFirstPage);
- eventBus._off("lastpage", webViewerLastPage);
- eventBus._off("nextpage", webViewerNextPage);
- eventBus._off("previouspage", webViewerPreviousPage);
- eventBus._off("zoomin", webViewerZoomIn);
- eventBus._off("zoomout", webViewerZoomOut);
- eventBus._off("zoomreset", webViewerZoomReset);
- eventBus._off("pagenumberchanged", webViewerPageNumberChanged);
- eventBus._off("scalechanged", webViewerScaleChanged);
- eventBus._off("rotatecw", webViewerRotateCw);
- eventBus._off("rotateccw", webViewerRotateCcw);
- eventBus._off(
- "optionalcontentconfig",
- webViewerOptionalContentConfig
- );
- eventBus._off("switchscrollmode", webViewerSwitchScrollMode);
- eventBus._off("scrollmodechanged", webViewerScrollModeChanged);
- eventBus._off("switchspreadmode", webViewerSwitchSpreadMode);
- eventBus._off("spreadmodechanged", webViewerSpreadModeChanged);
- eventBus._off("documentproperties", webViewerDocumentProperties);
- eventBus._off("findfromurlhash", webViewerFindFromUrlHash);
- eventBus._off(
- "updatefindmatchescount",
- webViewerUpdateFindMatchesCount
- );
- eventBus._off(
- "updatefindcontrolstate",
- webViewerUpdateFindControlState
- );
- if (_boundEvents.reportPageStatsPDFBug) {
- eventBus._off("pagerendered", _boundEvents.reportPageStatsPDFBug);
- eventBus._off("pagechanging", _boundEvents.reportPageStatsPDFBug);
- _boundEvents.reportPageStatsPDFBug = null;
- }
- eventBus._off("fileinputchange", webViewerFileInputChange);
- eventBus._off("openfile", webViewerOpenFile);
- _boundEvents.beforePrint = null;
- _boundEvents.afterPrint = null;
- },
- unbindWindowEvents() {
- const { _boundEvents } = this;
- window.removeEventListener(
- "visibilitychange",
- webViewerVisibilityChange
- );
- window.removeEventListener("wheel", webViewerWheel, {
- passive: false,
- });
- window.removeEventListener("touchstart", webViewerTouchStart, {
- passive: false,
- });
- window.removeEventListener("touchmove", webViewerTouchMove, {
- passive: false,
- });
- window.removeEventListener("touchend", webViewerTouchEnd, {
- passive: false,
- });
- window.removeEventListener("click", webViewerClick);
- window.removeEventListener("keydown", webViewerKeyDown);
- window.removeEventListener("keyup", webViewerKeyUp);
- window.removeEventListener("resize", _boundEvents.windowResize);
- window.removeEventListener(
- "hashchange",
- _boundEvents.windowHashChange
- );
- window.removeEventListener(
- "beforeprint",
- _boundEvents.windowBeforePrint
- );
- window.removeEventListener(
- "afterprint",
- _boundEvents.windowAfterPrint
- );
- window.removeEventListener(
- "updatefromsandbox",
- _boundEvents.windowUpdateFromSandbox
- );
- _boundEvents.removeWindowResolutionChange?.();
- _boundEvents.windowResize = null;
- _boundEvents.windowHashChange = null;
- _boundEvents.windowBeforePrint = null;
- _boundEvents.windowAfterPrint = null;
- _boundEvents.windowUpdateFromSandbox = null;
- },
- _accumulateTicks(ticks, prop) {
- if ((this[prop] > 0 && ticks < 0) || (this[prop] < 0 && ticks > 0)) {
- this[prop] = 0;
- }
- this[prop] += ticks;
- const wholeTicks = Math.trunc(this[prop]);
- this[prop] -= wholeTicks;
- return wholeTicks;
- },
- _accumulateFactor(previousScale, factor, prop) {
- if (factor === 1) {
- return 1;
- }
- if (
- (this[prop] > 1 && factor < 1) ||
- (this[prop] < 1 && factor > 1)
- ) {
- this[prop] = 1;
- }
- const newFactor =
- Math.floor(previousScale * factor * this[prop] * 100) /
- (100 * previousScale);
- this[prop] = factor / newFactor;
- return newFactor;
- },
- _centerAtPos(previousScale, x, y) {
- const { pdfViewer } = this;
- const scaleDiff = pdfViewer.currentScale / previousScale - 1;
- if (scaleDiff !== 0) {
- const [top, left] = pdfViewer.containerTopLeft;
- pdfViewer.container.scrollLeft += (x - left) * scaleDiff;
- pdfViewer.container.scrollTop += (y - top) * scaleDiff;
- }
- },
- _unblockDocumentLoadEvent() {
- document.blockUnblockOnload?.(false);
- this._unblockDocumentLoadEvent = () => {};
- },
- get scriptingReady() {
- return this.pdfScriptingManager.ready;
- },
- };
- exports.PDFViewerApplication = PDFViewerApplication;
- {
- const HOSTED_VIEWER_ORIGINS = [
- "null",
- "http://mozilla.github.io",
- "https://mozilla.github.io",
- "https://4dkk.4dage.com",
- "https://ossxiaoan.4dage.com",
- ];
- var validateFileURL = function (file) {
- if (!file) {
- return;
- }
- try {
- const viewerOrigin = new URL(window.location.href).origin || "null";
- if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
- return;
- }
- const fileOrigin = new URL(file, window.location.href).origin;
- // if (fileOrigin !== viewerOrigin) {
- // throw new Error("file origin does not match viewer's");
- // }
- } catch (ex) {
- PDFViewerApplication.l10n.get("loading_error").then((msg) => {
- PDFViewerApplication._documentError(msg, {
- message: ex?.message,
- });
- });
- throw ex;
- }
- };
- }
- async function loadFakeWorker() {
- _pdfjsLib.GlobalWorkerOptions.workerSrc ||=
- _app_options.AppOptions.get("workerSrc");
- await (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.workerSrc);
- }
- async function loadPDFBug(self) {
- const { debuggerScriptPath } = self.appConfig;
- const { PDFBug } = await import(debuggerScriptPath);
- self._PDFBug = PDFBug;
- }
- function reportPageStatsPDFBug({ pageNumber }) {
- if (!globalThis.Stats?.enabled) {
- return;
- }
- const pageView = PDFViewerApplication.pdfViewer.getPageView(
- pageNumber - 1
- );
- globalThis.Stats.add(pageNumber, pageView?.pdfPage?.stats);
- }
- function webViewerInitialized() {
- const { appConfig, eventBus, l10n } = PDFViewerApplication;
- let file;
- const queryString = document.location.search.substring(1);
- const params = (0, _ui_utils.parseQueryString)(queryString);
- file = params.get("file") ?? _app_options.AppOptions.get("defaultUrl");
- validateFileURL(file);
- const fileInput = appConfig.openFileInput;
- fileInput.value = null;
- fileInput.addEventListener("change", function (evt) {
- const { files } = evt.target;
- if (!files || files.length === 0) {
- return;
- }
- eventBus.dispatch("fileinputchange", {
- source: this,
- fileInput: evt.target,
- });
- });
- appConfig.mainContainer.addEventListener("dragover", function (evt) {
- evt.preventDefault();
- evt.dataTransfer.dropEffect =
- evt.dataTransfer.effectAllowed === "copy" ? "copy" : "move";
- });
- appConfig.mainContainer.addEventListener("drop", function (evt) {
- evt.preventDefault();
- const { files } = evt.dataTransfer;
- if (!files || files.length === 0) {
- return;
- }
- eventBus.dispatch("fileinputchange", {
- source: this,
- fileInput: evt.dataTransfer,
- });
- });
- if (!PDFViewerApplication.supportsDocumentFonts) {
- _app_options.AppOptions.set("disableFontFace", true);
- l10n.get("web_fonts_disabled").then((msg) => {
- console.warn(msg);
- });
- }
- if (!PDFViewerApplication.supportsPrinting) {
- appConfig.toolbar?.print.classList.add("hidden");
- appConfig.secondaryToolbar?.printButton.classList.add("hidden");
- }
- if (!PDFViewerApplication.supportsFullscreen) {
- appConfig.secondaryToolbar?.presentationModeButton.classList.add(
- "hidden"
- );
- }
- if (PDFViewerApplication.supportsIntegratedFind) {
- appConfig.toolbar?.viewFind.classList.add("hidden");
- }
- appConfig.mainContainer.addEventListener(
- "transitionend",
- function (evt) {
- if (evt.target === this) {
- eventBus.dispatch("resize", {
- source: this,
- });
- }
- },
- true
- );
- try {
- if (file) {
- PDFViewerApplication.open({
- url: file,
- });
- } else {
- PDFViewerApplication._hideViewBookmark();
- }
- } catch (reason) {
- l10n.get("loading_error").then((msg) => {
- PDFViewerApplication._documentError(msg, reason);
- });
- }
- }
- function webViewerPageRender({ pageNumber }) {
- if (pageNumber === PDFViewerApplication.page) {
- PDFViewerApplication.toolbar?.updateLoadingIndicatorState(true);
- }
- }
- function webViewerPageRendered({ pageNumber, error }) {
- if (pageNumber === PDFViewerApplication.page) {
- PDFViewerApplication.toolbar?.updateLoadingIndicatorState(false);
- }
- if (
- PDFViewerApplication.pdfSidebar?.visibleView ===
- _ui_utils.SidebarView.THUMBS
- ) {
- const pageView = PDFViewerApplication.pdfViewer.getPageView(
- pageNumber - 1
- );
- const thumbnailView =
- PDFViewerApplication.pdfThumbnailViewer?.getThumbnail(
- pageNumber - 1
- );
- if (pageView && thumbnailView) {
- thumbnailView.setImage(pageView);
- }
- }
- if (error) {
- PDFViewerApplication.l10n.get("rendering_error").then((msg) => {
- PDFViewerApplication._otherError(msg, error);
- });
- }
- }
- function webViewerPageMode({ mode }) {
- let view;
- switch (mode) {
- case "thumbs":
- view = _ui_utils.SidebarView.THUMBS;
- break;
- case "bookmarks":
- case "outline":
- view = _ui_utils.SidebarView.OUTLINE;
- break;
- case "attachments":
- view = _ui_utils.SidebarView.ATTACHMENTS;
- break;
- case "layers":
- view = _ui_utils.SidebarView.LAYERS;
- break;
- case "none":
- view = _ui_utils.SidebarView.NONE;
- break;
- default:
- console.error('Invalid "pagemode" hash parameter: ' + mode);
- return;
- }
- PDFViewerApplication.pdfSidebar?.switchView(view, true);
- }
- function webViewerNamedAction(evt) {
- switch (evt.action) {
- case "GoToPage":
- PDFViewerApplication.appConfig.toolbar?.pageNumber.select();
- break;
- case "Find":
- if (!PDFViewerApplication.supportsIntegratedFind) {
- PDFViewerApplication?.findBar.toggle();
- }
- break;
- case "Print":
- PDFViewerApplication.triggerPrinting();
- break;
- case "SaveAs":
- PDFViewerApplication.downloadOrSave();
- break;
- }
- }
- function webViewerPresentationModeChanged(evt) {
- PDFViewerApplication.pdfViewer.presentationModeState = evt.state;
- }
- function webViewerSidebarViewChanged({ view }) {
- PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled =
- view === _ui_utils.SidebarView.THUMBS;
- if (PDFViewerApplication.isInitialViewSet) {
- PDFViewerApplication.store?.set("sidebarView", view).catch(() => {});
- }
- }
- function webViewerUpdateViewarea({ location }) {
- if (PDFViewerApplication.isInitialViewSet) {
- PDFViewerApplication.store
- ?.setMultiple({
- page: location.pageNumber,
- zoom: location.scale,
- scrollLeft: location.left,
- scrollTop: location.top,
- rotation: location.rotation,
- })
- .catch(() => {});
- }
- if (PDFViewerApplication.appConfig.secondaryToolbar) {
- const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(
- location.pdfOpenParams
- );
- PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href =
- href;
- }
- }
- function webViewerScrollModeChanged(evt) {
- if (
- PDFViewerApplication.isInitialViewSet &&
- !PDFViewerApplication.pdfViewer.isInPresentationMode
- ) {
- PDFViewerApplication.store
- ?.set("scrollMode", evt.mode)
- .catch(() => {});
- }
- }
- function webViewerSpreadModeChanged(evt) {
- if (
- PDFViewerApplication.isInitialViewSet &&
- !PDFViewerApplication.pdfViewer.isInPresentationMode
- ) {
- PDFViewerApplication.store
- ?.set("spreadMode", evt.mode)
- .catch(() => {});
- }
- }
- function webViewerResize() {
- const { pdfDocument, pdfViewer, pdfRenderingQueue } =
- PDFViewerApplication;
- if (pdfRenderingQueue.printing && window.matchMedia("print").matches) {
- return;
- }
- if (!pdfDocument) {
- return;
- }
- const currentScaleValue = pdfViewer.currentScaleValue;
- if (
- currentScaleValue === "auto" ||
- currentScaleValue === "page-fit" ||
- currentScaleValue === "page-width"
- ) {
- pdfViewer.currentScaleValue = currentScaleValue;
- }
- pdfViewer.update();
- }
- function webViewerHashchange(evt) {
- const hash = evt.hash;
- if (!hash) {
- return;
- }
- if (!PDFViewerApplication.isInitialViewSet) {
- PDFViewerApplication.initialBookmark = hash;
- } else if (!PDFViewerApplication.pdfHistory?.popStateInProgress) {
- PDFViewerApplication.pdfLinkService.setHash(hash);
- }
- }
- {
- var webViewerFileInputChange = function (evt) {
- if (PDFViewerApplication.pdfViewer?.isInPresentationMode) {
- return;
- }
- const file = evt.fileInput.files[0];
- PDFViewerApplication.open({
- url: URL.createObjectURL(file),
- originalUrl: file.name,
- });
- };
- var webViewerOpenFile = function (evt) {
- const fileInput = PDFViewerApplication.appConfig.openFileInput;
- fileInput.click();
- };
- }
- function webViewerPresentationMode() {
- PDFViewerApplication.requestPresentationMode();
- }
- function webViewerSwitchAnnotationEditorMode(evt) {
- PDFViewerApplication.pdfViewer.annotationEditorMode = evt.mode;
- }
- function webViewerSwitchAnnotationEditorParams(evt) {
- PDFViewerApplication.pdfViewer.annotationEditorParams = evt;
- }
- function webViewerPrint() {
- PDFViewerApplication.triggerPrinting();
- }
- function webViewerDownload() {
- PDFViewerApplication.downloadOrSave();
- }
- function webViewerFirstPage() {
- PDFViewerApplication.page = 1;
- }
- function webViewerLastPage() {
- PDFViewerApplication.page = PDFViewerApplication.pagesCount;
- }
- function webViewerNextPage() {
- PDFViewerApplication.pdfViewer.nextPage();
- }
- function webViewerPreviousPage() {
- PDFViewerApplication.pdfViewer.previousPage();
- }
- function webViewerZoomIn() {
- PDFViewerApplication.zoomIn();
- }
- function webViewerZoomOut() {
- PDFViewerApplication.zoomOut();
- }
- function webViewerZoomReset() {
- PDFViewerApplication.zoomReset();
- }
- function webViewerPageNumberChanged(evt) {
- const pdfViewer = PDFViewerApplication.pdfViewer;
- if (evt.value !== "") {
- PDFViewerApplication.pdfLinkService.goToPage(evt.value);
- }
- if (
- evt.value !== pdfViewer.currentPageNumber.toString() &&
- evt.value !== pdfViewer.currentPageLabel
- ) {
- PDFViewerApplication.toolbar?.setPageNumber(
- pdfViewer.currentPageNumber,
- pdfViewer.currentPageLabel
- );
- }
- }
- function webViewerScaleChanged(evt) {
- PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
- }
- function webViewerRotateCw() {
- PDFViewerApplication.rotatePages(90);
- }
- function webViewerRotateCcw() {
- PDFViewerApplication.rotatePages(-90);
- }
- function webViewerOptionalContentConfig(evt) {
- PDFViewerApplication.pdfViewer.optionalContentConfigPromise =
- evt.promise;
- }
- function webViewerSwitchScrollMode(evt) {
- PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
- }
- function webViewerSwitchSpreadMode(evt) {
- PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
- }
- function webViewerDocumentProperties() {
- PDFViewerApplication.pdfDocumentProperties?.open();
- }
- function webViewerFindFromUrlHash(evt) {
- PDFViewerApplication.eventBus.dispatch("find", {
- source: evt.source,
- type: "",
- query: evt.query,
- phraseSearch: evt.phraseSearch,
- caseSensitive: false,
- entireWord: false,
- highlightAll: true,
- findPrevious: false,
- matchDiacritics: true,
- });
- }
- function webViewerUpdateFindMatchesCount({ matchesCount }) {
- if (PDFViewerApplication.supportsIntegratedFind) {
- PDFViewerApplication.externalServices.updateFindMatchesCount(
- matchesCount
- );
- } else {
- PDFViewerApplication.findBar.updateResultsCount(matchesCount);
- }
- }
- function webViewerUpdateFindControlState({
- state,
- previous,
- matchesCount,
- rawQuery,
- }) {
- if (PDFViewerApplication.supportsIntegratedFind) {
- PDFViewerApplication.externalServices.updateFindControlState({
- result: state,
- findPrevious: previous,
- matchesCount,
- rawQuery,
- });
- } else {
- PDFViewerApplication.findBar?.updateUIState(
- state,
- previous,
- matchesCount
- );
- }
- }
- function webViewerScaleChanging(evt) {
- PDFViewerApplication.toolbar?.setPageScale(evt.presetValue, evt.scale);
- PDFViewerApplication.pdfViewer.update();
- }
- function webViewerRotationChanging(evt) {
- if (PDFViewerApplication.pdfThumbnailViewer) {
- PDFViewerApplication.pdfThumbnailViewer.pagesRotation =
- evt.pagesRotation;
- }
- PDFViewerApplication.forceRendering();
- PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
- }
- function webViewerPageChanging({ pageNumber, pageLabel }) {
- PDFViewerApplication.toolbar?.setPageNumber(pageNumber, pageLabel);
- PDFViewerApplication.secondaryToolbar?.setPageNumber(pageNumber);
- if (
- PDFViewerApplication.pdfSidebar?.visibleView ===
- _ui_utils.SidebarView.THUMBS
- ) {
- PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(
- pageNumber
- );
- }
- const currentPage = PDFViewerApplication.pdfViewer.getPageView(
- pageNumber - 1
- );
- PDFViewerApplication.toolbar?.updateLoadingIndicatorState(
- currentPage?.renderingState === _ui_utils.RenderingStates.RUNNING
- );
- }
- function webViewerResolutionChange(evt) {
- PDFViewerApplication.pdfViewer.refresh();
- }
- function webViewerVisibilityChange(evt) {
- if (document.visibilityState === "visible") {
- setZoomDisabledTimeout();
- }
- }
- let zoomDisabledTimeout = null;
- function setZoomDisabledTimeout() {
- if (zoomDisabledTimeout) {
- clearTimeout(zoomDisabledTimeout);
- }
- zoomDisabledTimeout = setTimeout(function () {
- zoomDisabledTimeout = null;
- }, WHEEL_ZOOM_DISABLED_TIMEOUT);
- }
- function webViewerWheel(evt) {
- const {
- pdfViewer,
- supportedMouseWheelZoomModifierKeys,
- supportsPinchToZoom,
- } = PDFViewerApplication;
- if (pdfViewer.isInPresentationMode) {
- return;
- }
- const deltaMode = evt.deltaMode;
- let scaleFactor = Math.exp(-evt.deltaY / 100);
- const isBuiltInMac = false;
- const isPinchToZoom =
- evt.ctrlKey &&
- !PDFViewerApplication._isCtrlKeyDown &&
- deltaMode === WheelEvent.DOM_DELTA_PIXEL &&
- evt.deltaX === 0 &&
- (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) &&
- evt.deltaZ === 0;
- if (
- isPinchToZoom ||
- (evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey) ||
- (evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey)
- ) {
- evt.preventDefault();
- if (zoomDisabledTimeout || document.visibilityState === "hidden") {
- return;
- }
- const previousScale = pdfViewer.currentScale;
- if (isPinchToZoom && supportsPinchToZoom) {
- scaleFactor = PDFViewerApplication._accumulateFactor(
- previousScale,
- scaleFactor,
- "_wheelUnusedFactor"
- );
- if (scaleFactor < 1) {
- PDFViewerApplication.zoomOut(null, scaleFactor);
- } else if (scaleFactor > 1) {
- PDFViewerApplication.zoomIn(null, scaleFactor);
- } else {
- return;
- }
- } else {
- const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt);
- let ticks = 0;
- if (
- deltaMode === WheelEvent.DOM_DELTA_LINE ||
- deltaMode === WheelEvent.DOM_DELTA_PAGE
- ) {
- if (Math.abs(delta) >= 1) {
- ticks = Math.sign(delta);
- } else {
- ticks = PDFViewerApplication._accumulateTicks(
- delta,
- "_wheelUnusedTicks"
- );
- }
- } else {
- const PIXELS_PER_LINE_SCALE = 30;
- ticks = PDFViewerApplication._accumulateTicks(
- delta / PIXELS_PER_LINE_SCALE,
- "_wheelUnusedTicks"
- );
- }
- if (ticks < 0) {
- PDFViewerApplication.zoomOut(-ticks);
- } else if (ticks > 0) {
- PDFViewerApplication.zoomIn(ticks);
- } else {
- return;
- }
- }
- PDFViewerApplication._centerAtPos(
- previousScale,
- evt.clientX,
- evt.clientY
- );
- } else {
- setZoomDisabledTimeout();
- }
- }
- function webViewerTouchStart(evt) {
- if (
- PDFViewerApplication.pdfViewer.isInPresentationMode ||
- evt.touches.length < 2
- ) {
- return;
- }
- evt.preventDefault();
- if (evt.touches.length !== 2) {
- PDFViewerApplication._touchInfo = null;
- return;
- }
- let [touch0, touch1] = evt.touches;
- if (touch0.identifier > touch1.identifier) {
- [touch0, touch1] = [touch1, touch0];
- }
- PDFViewerApplication._touchInfo = {
- touch0X: touch0.pageX,
- touch0Y: touch0.pageY,
- touch1X: touch1.pageX,
- touch1Y: touch1.pageY,
- };
- }
- function webViewerTouchMove(evt) {
- if (!PDFViewerApplication._touchInfo || evt.touches.length !== 2) {
- return;
- }
- const { pdfViewer, _touchInfo, supportsPinchToZoom } =
- PDFViewerApplication;
- let [touch0, touch1] = evt.touches;
- if (touch0.identifier > touch1.identifier) {
- [touch0, touch1] = [touch1, touch0];
- }
- const { pageX: page0X, pageY: page0Y } = touch0;
- const { pageX: page1X, pageY: page1Y } = touch1;
- const {
- touch0X: pTouch0X,
- touch0Y: pTouch0Y,
- touch1X: pTouch1X,
- touch1Y: pTouch1Y,
- } = _touchInfo;
- if (
- Math.abs(pTouch0X - page0X) <= 1 &&
- Math.abs(pTouch0Y - page0Y) <= 1 &&
- Math.abs(pTouch1X - page1X) <= 1 &&
- Math.abs(pTouch1Y - page1Y) <= 1
- ) {
- return;
- }
- _touchInfo.touch0X = page0X;
- _touchInfo.touch0Y = page0Y;
- _touchInfo.touch1X = page1X;
- _touchInfo.touch1Y = page1Y;
- if (pTouch0X === page0X && pTouch0Y === page0Y) {
- const v1X = pTouch1X - page0X;
- const v1Y = pTouch1Y - page0Y;
- const v2X = page1X - page0X;
- const v2Y = page1Y - page0Y;
- const det = v1X * v2Y - v1Y * v2X;
- if (
- Math.abs(det) >
- 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)
- ) {
- return;
- }
- } else if (pTouch1X === page1X && pTouch1Y === page1Y) {
- const v1X = pTouch0X - page1X;
- const v1Y = pTouch0Y - page1Y;
- const v2X = page0X - page1X;
- const v2Y = page0Y - page1Y;
- const det = v1X * v2Y - v1Y * v2X;
- if (
- Math.abs(det) >
- 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)
- ) {
- return;
- }
- } else {
- const diff0X = page0X - pTouch0X;
- const diff1X = page1X - pTouch1X;
- const diff0Y = page0Y - pTouch0Y;
- const diff1Y = page1Y - pTouch1Y;
- const dotProduct = diff0X * diff1X + diff0Y * diff1Y;
- if (dotProduct >= 0) {
- return;
- }
- }
- evt.preventDefault();
- const distance = Math.hypot(page0X - page1X, page0Y - page1Y) || 1;
- const pDistance =
- Math.hypot(pTouch0X - pTouch1X, pTouch0Y - pTouch1Y) || 1;
- const previousScale = pdfViewer.currentScale;
- if (supportsPinchToZoom) {
- const newScaleFactor = PDFViewerApplication._accumulateFactor(
- previousScale,
- distance / pDistance,
- "_touchUnusedFactor"
- );
- if (newScaleFactor < 1) {
- PDFViewerApplication.zoomOut(null, newScaleFactor);
- } else if (newScaleFactor > 1) {
- PDFViewerApplication.zoomIn(null, newScaleFactor);
- } else {
- return;
- }
- } else {
- const PIXELS_PER_LINE_SCALE = 30;
- const ticks = PDFViewerApplication._accumulateTicks(
- (distance - pDistance) / PIXELS_PER_LINE_SCALE,
- "_touchUnusedTicks"
- );
- if (ticks < 0) {
- PDFViewerApplication.zoomOut(-ticks);
- } else if (ticks > 0) {
- PDFViewerApplication.zoomIn(ticks);
- } else {
- return;
- }
- }
- PDFViewerApplication._centerAtPos(
- previousScale,
- (page0X + page1X) / 2,
- (page0Y + page1Y) / 2
- );
- }
- function webViewerTouchEnd(evt) {
- if (!PDFViewerApplication._touchInfo) {
- return;
- }
- evt.preventDefault();
- PDFViewerApplication._touchInfo = null;
- PDFViewerApplication._touchUnusedTicks = 0;
- PDFViewerApplication._touchUnusedFactor = 1;
- }
- function webViewerClick(evt) {
- if (!PDFViewerApplication.secondaryToolbar?.isOpen) {
- return;
- }
- const appConfig = PDFViewerApplication.appConfig;
- if (
- PDFViewerApplication.pdfViewer.containsElement(evt.target) ||
- (appConfig.toolbar?.container.contains(evt.target) &&
- evt.target !== appConfig.secondaryToolbar?.toggleButton)
- ) {
- PDFViewerApplication.secondaryToolbar.close();
- }
- }
- function webViewerKeyUp(evt) {
- if (evt.key === "Control") {
- PDFViewerApplication._isCtrlKeyDown = false;
- }
- }
- function webViewerKeyDown(evt) {
- PDFViewerApplication._isCtrlKeyDown = evt.key === "Control";
- if (PDFViewerApplication.overlayManager.active) {
- return;
- }
- const { eventBus, pdfViewer } = PDFViewerApplication;
- const isViewerInPresentationMode = pdfViewer.isInPresentationMode;
- let handled = false,
- ensureViewerFocused = false;
- const cmd =
- (evt.ctrlKey ? 1 : 0) |
- (evt.altKey ? 2 : 0) |
- (evt.shiftKey ? 4 : 0) |
- (evt.metaKey ? 8 : 0);
- if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
- switch (evt.keyCode) {
- case 70:
- if (
- !PDFViewerApplication.supportsIntegratedFind &&
- !evt.shiftKey
- ) {
- PDFViewerApplication.findBar?.open();
- handled = true;
- }
- break;
- case 71:
- if (!PDFViewerApplication.supportsIntegratedFind) {
- const { state } = PDFViewerApplication.findController;
- if (state) {
- const newState = {
- source: window,
- type: "again",
- findPrevious: cmd === 5 || cmd === 12,
- };
- eventBus.dispatch("find", {
- ...state,
- ...newState,
- });
- }
- handled = true;
- }
- break;
- case 61:
- case 107:
- case 187:
- case 171:
- PDFViewerApplication.zoomIn();
- handled = true;
- break;
- case 173:
- case 109:
- case 189:
- PDFViewerApplication.zoomOut();
- handled = true;
- break;
- case 48:
- case 96:
- if (!isViewerInPresentationMode) {
- setTimeout(function () {
- PDFViewerApplication.zoomReset();
- });
- handled = false;
- }
- break;
- case 38:
- if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
- PDFViewerApplication.page = 1;
- handled = true;
- ensureViewerFocused = true;
- }
- break;
- case 40:
- if (
- isViewerInPresentationMode ||
- PDFViewerApplication.page < PDFViewerApplication.pagesCount
- ) {
- PDFViewerApplication.page = PDFViewerApplication.pagesCount;
- handled = true;
- ensureViewerFocused = true;
- }
- break;
- }
- }
- if (cmd === 1 || cmd === 8) {
- switch (evt.keyCode) {
- case 83:
- eventBus.dispatch("download", {
- source: window,
- });
- handled = true;
- break;
- case 79:
- {
- eventBus.dispatch("openfile", {
- source: window,
- });
- handled = true;
- }
- break;
- }
- }
- if (cmd === 3 || cmd === 10) {
- switch (evt.keyCode) {
- case 80:
- PDFViewerApplication.requestPresentationMode();
- handled = true;
- PDFViewerApplication.externalServices.reportTelemetry({
- type: "buttons",
- data: {
- id: "presentationModeKeyboard",
- },
- });
- break;
- case 71:
- if (PDFViewerApplication.appConfig.toolbar) {
- PDFViewerApplication.appConfig.toolbar.pageNumber.select();
- handled = true;
- }
- break;
- }
- }
- if (handled) {
- if (ensureViewerFocused && !isViewerInPresentationMode) {
- pdfViewer.focus();
- }
- evt.preventDefault();
- return;
- }
- const curElement = (0, _ui_utils.getActiveOrFocusedElement)();
- const curElementTagName = curElement?.tagName.toUpperCase();
- if (
- curElementTagName === "INPUT" ||
- curElementTagName === "TEXTAREA" ||
- curElementTagName === "SELECT" ||
- curElement?.isContentEditable
- ) {
- if (evt.keyCode !== 27) {
- return;
- }
- }
- if (cmd === 0) {
- let turnPage = 0,
- turnOnlyIfPageFit = false;
- switch (evt.keyCode) {
- case 38:
- case 33:
- if (pdfViewer.isVerticalScrollbarEnabled) {
- turnOnlyIfPageFit = true;
- }
- turnPage = -1;
- break;
- case 8:
- if (!isViewerInPresentationMode) {
- turnOnlyIfPageFit = true;
- }
- turnPage = -1;
- break;
- case 37:
- if (pdfViewer.isHorizontalScrollbarEnabled) {
- turnOnlyIfPageFit = true;
- }
- case 75:
- case 80:
- turnPage = -1;
- break;
- case 27:
- if (PDFViewerApplication.secondaryToolbar?.isOpen) {
- PDFViewerApplication.secondaryToolbar.close();
- handled = true;
- }
- if (
- !PDFViewerApplication.supportsIntegratedFind &&
- PDFViewerApplication.findBar?.opened
- ) {
- PDFViewerApplication.findBar.close();
- handled = true;
- }
- break;
- case 40:
- case 34:
- if (pdfViewer.isVerticalScrollbarEnabled) {
- turnOnlyIfPageFit = true;
- }
- turnPage = 1;
- break;
- case 13:
- case 32:
- if (!isViewerInPresentationMode) {
- turnOnlyIfPageFit = true;
- }
- turnPage = 1;
- break;
- case 39:
- if (pdfViewer.isHorizontalScrollbarEnabled) {
- turnOnlyIfPageFit = true;
- }
- case 74:
- case 78:
- turnPage = 1;
- break;
- case 36:
- if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
- PDFViewerApplication.page = 1;
- handled = true;
- ensureViewerFocused = true;
- }
- break;
- case 35:
- if (
- isViewerInPresentationMode ||
- PDFViewerApplication.page < PDFViewerApplication.pagesCount
- ) {
- PDFViewerApplication.page = PDFViewerApplication.pagesCount;
- handled = true;
- ensureViewerFocused = true;
- }
- break;
- case 83:
- PDFViewerApplication.pdfCursorTools?.switchTool(
- _ui_utils.CursorTool.SELECT
- );
- break;
- case 72:
- PDFViewerApplication.pdfCursorTools?.switchTool(
- _ui_utils.CursorTool.HAND
- );
- break;
- case 82:
- PDFViewerApplication.rotatePages(90);
- break;
- case 115:
- PDFViewerApplication.pdfSidebar?.toggle();
- break;
- }
- if (
- turnPage !== 0 &&
- (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")
- ) {
- if (turnPage > 0) {
- pdfViewer.nextPage();
- } else {
- pdfViewer.previousPage();
- }
- handled = true;
- }
- }
- if (cmd === 4) {
- switch (evt.keyCode) {
- case 13:
- case 32:
- if (
- !isViewerInPresentationMode &&
- pdfViewer.currentScaleValue !== "page-fit"
- ) {
- break;
- }
- pdfViewer.previousPage();
- handled = true;
- break;
- case 82:
- PDFViewerApplication.rotatePages(-90);
- break;
- }
- }
- if (!handled && !isViewerInPresentationMode) {
- if (
- (evt.keyCode >= 33 && evt.keyCode <= 40) ||
- (evt.keyCode === 32 && curElementTagName !== "BUTTON")
- ) {
- ensureViewerFocused = true;
- }
- }
- if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) {
- pdfViewer.focus();
- }
- if (handled) {
- evt.preventDefault();
- }
- }
- function beforeUnload(evt) {
- evt.preventDefault();
- evt.returnValue = "";
- return false;
- }
- function webViewerAnnotationEditorStatesChanged(data) {
- PDFViewerApplication.externalServices.updateEditorStates(data);
- }
- const PDFPrintServiceFactory = {
- instance: {
- supportsPrinting: false,
- createPrintService() {
- throw new Error("Not implemented: createPrintService");
- },
- },
- };
- exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
- /***/
- },
- /* 3 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.animationStarted =
- exports.VERTICAL_PADDING =
- exports.UNKNOWN_SCALE =
- exports.TextLayerMode =
- exports.SpreadMode =
- exports.SidebarView =
- exports.ScrollMode =
- exports.SCROLLBAR_PADDING =
- exports.RenderingStates =
- exports.RendererType =
- exports.ProgressBar =
- exports.PresentationModeState =
- exports.OutputScale =
- exports.MIN_SCALE =
- exports.MAX_SCALE =
- exports.MAX_AUTO_SCALE =
- exports.DEFAULT_SCALE_VALUE =
- exports.DEFAULT_SCALE_DELTA =
- exports.DEFAULT_SCALE =
- exports.CursorTool =
- exports.AutoPrintRegExp =
- void 0;
- exports.apiPageLayoutToViewerModes = apiPageLayoutToViewerModes;
- exports.apiPageModeToSidebarView = apiPageModeToSidebarView;
- exports.approximateFraction = approximateFraction;
- exports.backtrackBeforeAllVisibleElements =
- backtrackBeforeAllVisibleElements;
- exports.binarySearchFirstItem = binarySearchFirstItem;
- exports.docStyle = void 0;
- exports.getActiveOrFocusedElement = getActiveOrFocusedElement;
- exports.getPageSizeInches = getPageSizeInches;
- exports.getVisibleElements = getVisibleElements;
- exports.isPortraitOrientation = isPortraitOrientation;
- exports.isValidRotation = isValidRotation;
- exports.isValidScrollMode = isValidScrollMode;
- exports.isValidSpreadMode = isValidSpreadMode;
- exports.noContextMenuHandler = noContextMenuHandler;
- exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
- exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
- exports.parseQueryString = parseQueryString;
- exports.removeNullCharacters = removeNullCharacters;
- exports.roundToDivide = roundToDivide;
- exports.scrollIntoView = scrollIntoView;
- exports.watchScroll = watchScroll;
- const DEFAULT_SCALE_VALUE = "auto";
- exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
- const DEFAULT_SCALE = 1.0;
- exports.DEFAULT_SCALE = DEFAULT_SCALE;
- const DEFAULT_SCALE_DELTA = 1.1;
- exports.DEFAULT_SCALE_DELTA = DEFAULT_SCALE_DELTA;
- const MIN_SCALE = 0.1;
- exports.MIN_SCALE = MIN_SCALE;
- const MAX_SCALE = 10.0;
- exports.MAX_SCALE = MAX_SCALE;
- const UNKNOWN_SCALE = 0;
- exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
- const MAX_AUTO_SCALE = 1.25;
- exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
- const SCROLLBAR_PADDING = 40;
- exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
- const VERTICAL_PADDING = 5;
- exports.VERTICAL_PADDING = VERTICAL_PADDING;
- const RenderingStates = {
- INITIAL: 0,
- RUNNING: 1,
- PAUSED: 2,
- FINISHED: 3,
- };
- exports.RenderingStates = RenderingStates;
- const PresentationModeState = {
- UNKNOWN: 0,
- NORMAL: 1,
- CHANGING: 2,
- FULLSCREEN: 3,
- };
- exports.PresentationModeState = PresentationModeState;
- const SidebarView = {
- UNKNOWN: -1,
- NONE: 0,
- THUMBS: 1,
- OUTLINE: 2,
- ATTACHMENTS: 3,
- LAYERS: 4,
- };
- exports.SidebarView = SidebarView;
- const RendererType = {
- CANVAS: "canvas",
- SVG: "svg",
- };
- exports.RendererType = RendererType;
- const TextLayerMode = {
- DISABLE: 0,
- ENABLE: 1,
- };
- exports.TextLayerMode = TextLayerMode;
- const ScrollMode = {
- UNKNOWN: -1,
- VERTICAL: 0,
- HORIZONTAL: 1,
- WRAPPED: 2,
- PAGE: 3,
- };
- exports.ScrollMode = ScrollMode;
- const SpreadMode = {
- UNKNOWN: -1,
- NONE: 0,
- ODD: 1,
- EVEN: 2,
- };
- exports.SpreadMode = SpreadMode;
- const CursorTool = {
- SELECT: 0,
- HAND: 1,
- ZOOM: 2,
- };
- exports.CursorTool = CursorTool;
- const AutoPrintRegExp = /\bprint\s*\(/;
- exports.AutoPrintRegExp = AutoPrintRegExp;
- class OutputScale {
- constructor() {
- const pixelRatio = window.devicePixelRatio || 1;
- this.sx = pixelRatio;
- this.sy = pixelRatio;
- }
- get scaled() {
- return this.sx !== 1 || this.sy !== 1;
- }
- }
- exports.OutputScale = OutputScale;
- function scrollIntoView(element, spot, scrollMatches = false) {
- let parent = element.offsetParent;
- if (!parent) {
- console.error("offsetParent is not set -- cannot scroll");
- return;
- }
- let offsetY = element.offsetTop + element.clientTop;
- let offsetX = element.offsetLeft + element.clientLeft;
- while (
- (parent.clientHeight === parent.scrollHeight &&
- parent.clientWidth === parent.scrollWidth) ||
- (scrollMatches &&
- (parent.classList.contains("markedContent") ||
- getComputedStyle(parent).overflow === "hidden"))
- ) {
- offsetY += parent.offsetTop;
- offsetX += parent.offsetLeft;
- parent = parent.offsetParent;
- if (!parent) {
- return;
- }
- }
- if (spot) {
- if (spot.top !== undefined) {
- offsetY += spot.top;
- }
- if (spot.left !== undefined) {
- offsetX += spot.left;
- parent.scrollLeft = offsetX;
- }
- }
- parent.scrollTop = offsetY;
- }
- function watchScroll(viewAreaElement, callback) {
- const debounceScroll = function (evt) {
- if (rAF) {
- return;
- }
- rAF = window.requestAnimationFrame(
- function viewAreaElementScrolled() {
- rAF = null;
- const currentX = viewAreaElement.scrollLeft;
- const lastX = state.lastX;
- if (currentX !== lastX) {
- state.right = currentX > lastX;
- }
- state.lastX = currentX;
- const currentY = viewAreaElement.scrollTop;
- const lastY = state.lastY;
- if (currentY !== lastY) {
- state.down = currentY > lastY;
- }
- state.lastY = currentY;
- callback(state);
- }
- );
- };
- const state = {
- right: true,
- down: true,
- lastX: viewAreaElement.scrollLeft,
- lastY: viewAreaElement.scrollTop,
- _eventHandler: debounceScroll,
- };
- let rAF = null;
- viewAreaElement.addEventListener("scroll", debounceScroll, true);
- return state;
- }
- function parseQueryString(query) {
- const params = new Map();
- for (const [key, value] of new URLSearchParams(query)) {
- params.set(key.toLowerCase(), value);
- }
- return params;
- }
- const InvisibleCharactersRegExp = /[\x01-\x1F]/g;
- function removeNullCharacters(str, replaceInvisible = false) {
- if (typeof str !== "string") {
- console.error(`The argument must be a string.`);
- return str;
- }
- if (replaceInvisible) {
- str = str.replaceAll(InvisibleCharactersRegExp, " ");
- }
- return str.replaceAll("\x00", "");
- }
- function binarySearchFirstItem(items, condition, start = 0) {
- let minIndex = start;
- let maxIndex = items.length - 1;
- if (maxIndex < 0 || !condition(items[maxIndex])) {
- return items.length;
- }
- if (condition(items[minIndex])) {
- return minIndex;
- }
- while (minIndex < maxIndex) {
- const currentIndex = (minIndex + maxIndex) >> 1;
- const currentItem = items[currentIndex];
- if (condition(currentItem)) {
- maxIndex = currentIndex;
- } else {
- minIndex = currentIndex + 1;
- }
- }
- return minIndex;
- }
- function approximateFraction(x) {
- if (Math.floor(x) === x) {
- return [x, 1];
- }
- const xinv = 1 / x;
- const limit = 8;
- if (xinv > limit) {
- return [1, limit];
- } else if (Math.floor(xinv) === xinv) {
- return [1, xinv];
- }
- const x_ = x > 1 ? xinv : x;
- let a = 0,
- b = 1,
- c = 1,
- d = 1;
- while (true) {
- const p = a + c,
- q = b + d;
- if (q > limit) {
- break;
- }
- if (x_ <= p / q) {
- c = p;
- d = q;
- } else {
- a = p;
- b = q;
- }
- }
- let result;
- if (x_ - a / b < c / d - x_) {
- result = x_ === x ? [a, b] : [b, a];
- } else {
- result = x_ === x ? [c, d] : [d, c];
- }
- return result;
- }
- function roundToDivide(x, div) {
- const r = x % div;
- return r === 0 ? x : Math.round(x - r + div);
- }
- function getPageSizeInches({ view, userUnit, rotate }) {
- const [x1, y1, x2, y2] = view;
- const changeOrientation = rotate % 180 !== 0;
- const width = ((x2 - x1) / 72) * userUnit;
- const height = ((y2 - y1) / 72) * userUnit;
- return {
- width: changeOrientation ? height : width,
- height: changeOrientation ? width : height,
- };
- }
- function backtrackBeforeAllVisibleElements(index, views, top) {
- if (index < 2) {
- return index;
- }
- let elt = views[index].div;
- let pageTop = elt.offsetTop + elt.clientTop;
- if (pageTop >= top) {
- elt = views[index - 1].div;
- pageTop = elt.offsetTop + elt.clientTop;
- }
- for (let i = index - 2; i >= 0; --i) {
- elt = views[i].div;
- if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
- break;
- }
- index = i;
- }
- return index;
- }
- function getVisibleElements({
- scrollEl,
- views,
- sortByVisibility = false,
- horizontal = false,
- rtl = false,
- }) {
- const top = scrollEl.scrollTop,
- bottom = top + scrollEl.clientHeight;
- const left = scrollEl.scrollLeft,
- right = left + scrollEl.clientWidth;
- function isElementBottomAfterViewTop(view) {
- const element = view.div;
- const elementBottom =
- element.offsetTop + element.clientTop + element.clientHeight;
- return elementBottom > top;
- }
- function isElementNextAfterViewHorizontally(view) {
- const element = view.div;
- const elementLeft = element.offsetLeft + element.clientLeft;
- const elementRight = elementLeft + element.clientWidth;
- return rtl ? elementLeft < right : elementRight > left;
- }
- const visible = [],
- ids = new Set(),
- numViews = views.length;
- let firstVisibleElementInd = binarySearchFirstItem(
- views,
- horizontal
- ? isElementNextAfterViewHorizontally
- : isElementBottomAfterViewTop
- );
- if (
- firstVisibleElementInd > 0 &&
- firstVisibleElementInd < numViews &&
- !horizontal
- ) {
- firstVisibleElementInd = backtrackBeforeAllVisibleElements(
- firstVisibleElementInd,
- views,
- top
- );
- }
- let lastEdge = horizontal ? right : -1;
- for (let i = firstVisibleElementInd; i < numViews; i++) {
- const view = views[i],
- element = view.div;
- const currentWidth = element.offsetLeft + element.clientLeft;
- const currentHeight = element.offsetTop + element.clientTop;
- const viewWidth = element.clientWidth,
- viewHeight = element.clientHeight;
- const viewRight = currentWidth + viewWidth;
- const viewBottom = currentHeight + viewHeight;
- if (lastEdge === -1) {
- if (viewBottom >= bottom) {
- lastEdge = viewBottom;
- }
- } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
- break;
- }
- if (
- viewBottom <= top ||
- currentHeight >= bottom ||
- viewRight <= left ||
- currentWidth >= right
- ) {
- continue;
- }
- const hiddenHeight =
- Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
- const hiddenWidth =
- Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
- const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
- fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
- const percent = (fractionHeight * fractionWidth * 100) | 0;
- visible.push({
- id: view.id,
- x: currentWidth,
- y: currentHeight,
- view,
- percent,
- widthPercent: (fractionWidth * 100) | 0,
- });
- ids.add(view.id);
- }
- const first = visible[0],
- last = visible.at(-1);
- if (sortByVisibility) {
- visible.sort(function (a, b) {
- const pc = a.percent - b.percent;
- if (Math.abs(pc) > 0.001) {
- return -pc;
- }
- return a.id - b.id;
- });
- }
- return {
- first,
- last,
- views: visible,
- ids,
- };
- }
- function noContextMenuHandler(evt) {
- evt.preventDefault();
- }
- function normalizeWheelEventDirection(evt) {
- let delta = Math.hypot(evt.deltaX, evt.deltaY);
- const angle = Math.atan2(evt.deltaY, evt.deltaX);
- if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
- delta = -delta;
- }
- return delta;
- }
- function normalizeWheelEventDelta(evt) {
- const deltaMode = evt.deltaMode;
- let delta = normalizeWheelEventDirection(evt);
- const MOUSE_PIXELS_PER_LINE = 30;
- const MOUSE_LINES_PER_PAGE = 30;
- if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) {
- delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
- } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) {
- delta /= MOUSE_LINES_PER_PAGE;
- }
- return delta;
- }
- function isValidRotation(angle) {
- return Number.isInteger(angle) && angle % 90 === 0;
- }
- function isValidScrollMode(mode) {
- return (
- Number.isInteger(mode) &&
- Object.values(ScrollMode).includes(mode) &&
- mode !== ScrollMode.UNKNOWN
- );
- }
- function isValidSpreadMode(mode) {
- return (
- Number.isInteger(mode) &&
- Object.values(SpreadMode).includes(mode) &&
- mode !== SpreadMode.UNKNOWN
- );
- }
- function isPortraitOrientation(size) {
- return size.width <= size.height;
- }
- const animationStarted = new Promise(function (resolve) {
- window.requestAnimationFrame(resolve);
- });
- exports.animationStarted = animationStarted;
- const docStyle = document.documentElement.style;
- exports.docStyle = docStyle;
- function clamp(v, min, max) {
- return Math.min(Math.max(v, min), max);
- }
- class ProgressBar {
- #classList = null;
- #disableAutoFetchTimeout = null;
- #percent = 0;
- #style = null;
- #visible = true;
- constructor(bar) {
- this.#classList = bar.classList;
- this.#style = bar.style;
- }
- get percent() {
- return this.#percent;
- }
- set percent(val) {
- this.#percent = clamp(val, 0, 100);
- if (isNaN(val)) {
- this.#classList.add("indeterminate");
- return;
- }
- this.#classList.remove("indeterminate");
- this.#style.setProperty("--progressBar-percent", `${this.#percent}%`);
- }
- setWidth(viewer) {
- if (!viewer) {
- return;
- }
- const container = viewer.parentNode;
- const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
- if (scrollbarWidth > 0) {
- this.#style.setProperty(
- "--progressBar-end-offset",
- `${scrollbarWidth}px`
- );
- }
- }
- setDisableAutoFetch(delay = 5000) {
- if (isNaN(this.#percent)) {
- return;
- }
- if (this.#disableAutoFetchTimeout) {
- clearTimeout(this.#disableAutoFetchTimeout);
- }
- this.show();
- this.#disableAutoFetchTimeout = setTimeout(() => {
- this.#disableAutoFetchTimeout = null;
- this.hide();
- }, delay);
- }
- hide() {
- if (!this.#visible) {
- return;
- }
- this.#visible = false;
- this.#classList.add("hidden");
- }
- show() {
- if (this.#visible) {
- return;
- }
- this.#visible = true;
- this.#classList.remove("hidden");
- }
- }
- exports.ProgressBar = ProgressBar;
- function getActiveOrFocusedElement() {
- let curRoot = document;
- let curActiveOrFocused =
- curRoot.activeElement || curRoot.querySelector(":focus");
- while (curActiveOrFocused?.shadowRoot) {
- curRoot = curActiveOrFocused.shadowRoot;
- curActiveOrFocused =
- curRoot.activeElement || curRoot.querySelector(":focus");
- }
- return curActiveOrFocused;
- }
- function apiPageLayoutToViewerModes(layout) {
- let scrollMode = ScrollMode.VERTICAL,
- spreadMode = SpreadMode.NONE;
- switch (layout) {
- case "SinglePage":
- scrollMode = ScrollMode.PAGE;
- break;
- case "OneColumn":
- break;
- case "TwoPageLeft":
- scrollMode = ScrollMode.PAGE;
- case "TwoColumnLeft":
- spreadMode = SpreadMode.ODD;
- break;
- case "TwoPageRight":
- scrollMode = ScrollMode.PAGE;
- case "TwoColumnRight":
- spreadMode = SpreadMode.EVEN;
- break;
- }
- return {
- scrollMode,
- spreadMode,
- };
- }
- function apiPageModeToSidebarView(mode) {
- switch (mode) {
- case "UseNone":
- return SidebarView.NONE;
- case "UseThumbs":
- return SidebarView.THUMBS;
- case "UseOutlines":
- return SidebarView.OUTLINE;
- case "UseAttachments":
- return SidebarView.ATTACHMENTS;
- case "UseOC":
- return SidebarView.LAYERS;
- }
- return SidebarView.NONE;
- }
- /***/
- },
- /* 4 */
- /***/ (module) => {
- let pdfjsLib;
- if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
- pdfjsLib = window["pdfjs-dist/build/pdf"];
- } else {
- pdfjsLib = require("../build/pdf.js");
- }
- module.exports = pdfjsLib;
- /***/
- },
- /* 5 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.compatibilityParams =
- exports.OptionKind =
- exports.AppOptions =
- void 0;
- const compatibilityParams = Object.create(null);
- exports.compatibilityParams = compatibilityParams;
- {
- const userAgent = navigator.userAgent || "";
- const platform = navigator.platform || "";
- const maxTouchPoints = navigator.maxTouchPoints || 1;
- const isAndroid = /Android/.test(userAgent);
- const isIOS =
- /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) ||
- (platform === "MacIntel" && maxTouchPoints > 1);
- (function checkCanvasSizeLimitation() {
- if (isIOS || isAndroid) {
- compatibilityParams.maxCanvasPixels = 5242880;
- }
- })();
- }
- const OptionKind = {
- VIEWER: 0x02,
- API: 0x04,
- WORKER: 0x08,
- PREFERENCE: 0x80,
- };
- exports.OptionKind = OptionKind;
- const defaultOptions = {
- annotationEditorMode: {
- value: 0,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- annotationMode: {
- value: 2,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- cursorToolOnLoad: {
- value: 0,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- defaultZoomDelay: {
- value: 400,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- defaultZoomValue: {
- value: "",
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- disableHistory: {
- value: false,
- kind: OptionKind.VIEWER,
- },
- disablePageLabels: {
- value: false,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- enablePermissions: {
- value: false,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- enablePrintAutoRotate: {
- value: true,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- enableScripting: {
- value: true,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- externalLinkRel: {
- value: "noopener noreferrer nofollow",
- kind: OptionKind.VIEWER,
- },
- externalLinkTarget: {
- value: 0,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- historyUpdateUrl: {
- value: false,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- ignoreDestinationZoom: {
- value: false,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- imageResourcesPath: {
- value: "./images/",
- kind: OptionKind.VIEWER,
- },
- maxCanvasPixels: {
- value: 16777216,
- kind: OptionKind.VIEWER,
- },
- forcePageColors: {
- value: false,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- pageColorsBackground: {
- value: "Canvas",
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- pageColorsForeground: {
- value: "CanvasText",
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- pdfBugEnabled: {
- value: false,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- printResolution: {
- value: 150,
- kind: OptionKind.VIEWER,
- },
- sidebarViewOnLoad: {
- value: -1,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- scrollModeOnLoad: {
- value: -1,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- spreadModeOnLoad: {
- value: -1,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- textLayerMode: {
- value: 1,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- useOnlyCssZoom: {
- value: false,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- viewerCssTheme: {
- value: 0,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- viewOnLoad: {
- value: 0,
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- },
- cMapPacked: {
- value: true,
- kind: OptionKind.API,
- },
- cMapUrl: {
- value: "../web/cmaps/",
- kind: OptionKind.API,
- },
- disableAutoFetch: {
- value: false,
- kind: OptionKind.API + OptionKind.PREFERENCE,
- },
- disableFontFace: {
- value: false,
- kind: OptionKind.API + OptionKind.PREFERENCE,
- },
- disableRange: {
- value: false,
- kind: OptionKind.API + OptionKind.PREFERENCE,
- },
- disableStream: {
- value: false,
- kind: OptionKind.API + OptionKind.PREFERENCE,
- },
- docBaseUrl: {
- value: "",
- kind: OptionKind.API,
- },
- enableXfa: {
- value: true,
- kind: OptionKind.API + OptionKind.PREFERENCE,
- },
- fontExtraProperties: {
- value: false,
- kind: OptionKind.API,
- },
- isEvalSupported: {
- value: true,
- kind: OptionKind.API,
- },
- isOffscreenCanvasSupported: {
- value: true,
- kind: OptionKind.API,
- },
- maxImageSize: {
- value: -1,
- kind: OptionKind.API,
- },
- pdfBug: {
- value: false,
- kind: OptionKind.API,
- },
- standardFontDataUrl: {
- value: "../web/standard_fonts/",
- kind: OptionKind.API,
- },
- verbosity: {
- value: 1,
- kind: OptionKind.API,
- },
- workerPort: {
- value: null,
- kind: OptionKind.WORKER,
- },
- workerSrc: {
- value: "../build/pdf.worker.js",
- kind: OptionKind.WORKER,
- },
- };
- {
- defaultOptions.defaultUrl = {
- value: "compressed.tracemonkey-pldi-09.pdf",
- kind: OptionKind.VIEWER,
- };
- defaultOptions.disablePreferences = {
- value: false,
- kind: OptionKind.VIEWER,
- };
- defaultOptions.locale = {
- value: navigator.language || "en-US",
- kind: OptionKind.VIEWER,
- };
- defaultOptions.renderer = {
- value: "canvas",
- kind: OptionKind.VIEWER + OptionKind.PREFERENCE,
- };
- defaultOptions.sandboxBundleSrc = {
- value: "../build/pdf.sandbox.js",
- kind: OptionKind.VIEWER,
- };
- }
- const userOptions = Object.create(null);
- class AppOptions {
- constructor() {
- throw new Error("Cannot initialize AppOptions.");
- }
- static get(name) {
- const userOption = userOptions[name];
- if (userOption !== undefined) {
- return userOption;
- }
- const defaultOption = defaultOptions[name];
- if (defaultOption !== undefined) {
- return compatibilityParams[name] ?? defaultOption.value;
- }
- return undefined;
- }
- static getAll(kind = null) {
- const options = Object.create(null);
- for (const name in defaultOptions) {
- const defaultOption = defaultOptions[name];
- if (kind) {
- if ((kind & defaultOption.kind) === 0) {
- continue;
- }
- if (kind === OptionKind.PREFERENCE) {
- const value = defaultOption.value,
- valueType = typeof value;
- if (
- valueType === "boolean" ||
- valueType === "string" ||
- (valueType === "number" && Number.isInteger(value))
- ) {
- options[name] = value;
- continue;
- }
- throw new Error(`Invalid type for preference: ${name}`);
- }
- }
- const userOption = userOptions[name];
- options[name] =
- userOption !== undefined
- ? userOption
- : compatibilityParams[name] ?? defaultOption.value;
- }
- return options;
- }
- static set(name, value) {
- userOptions[name] = value;
- }
- static setAll(options) {
- for (const name in options) {
- userOptions[name] = options[name];
- }
- }
- static remove(name) {
- delete userOptions[name];
- }
- }
- exports.AppOptions = AppOptions;
- {
- AppOptions._hasUserOptions = function () {
- return Object.keys(userOptions).length > 0;
- };
- }
- /***/
- },
- /* 6 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.WaitOnType =
- exports.EventBus =
- exports.AutomationEventBus =
- void 0;
- exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
- const WaitOnType = {
- EVENT: "event",
- TIMEOUT: "timeout",
- };
- exports.WaitOnType = WaitOnType;
- function waitOnEventOrTimeout({ target, name, delay = 0 }) {
- return new Promise(function (resolve, reject) {
- if (
- typeof target !== "object" ||
- !(name && typeof name === "string") ||
- !(Number.isInteger(delay) && delay >= 0)
- ) {
- throw new Error("waitOnEventOrTimeout - invalid parameters.");
- }
- function handler(type) {
- if (target instanceof EventBus) {
- target._off(name, eventHandler);
- } else {
- target.removeEventListener(name, eventHandler);
- }
- if (timeout) {
- clearTimeout(timeout);
- }
- resolve(type);
- }
- const eventHandler = handler.bind(null, WaitOnType.EVENT);
- if (target instanceof EventBus) {
- target._on(name, eventHandler);
- } else {
- target.addEventListener(name, eventHandler);
- }
- const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
- const timeout = setTimeout(timeoutHandler, delay);
- });
- }
- class EventBus {
- #listeners = Object.create(null);
- on(eventName, listener, options = null) {
- this._on(eventName, listener, {
- external: true,
- once: options?.once,
- });
- }
- off(eventName, listener, options = null) {
- this._off(eventName, listener, {
- external: true,
- once: options?.once,
- });
- }
- dispatch(eventName, data) {
- const eventListeners = this.#listeners[eventName];
- if (!eventListeners || eventListeners.length === 0) {
- return;
- }
- let externalListeners;
- for (const { listener, external, once } of eventListeners.slice(0)) {
- if (once) {
- this._off(eventName, listener);
- }
- if (external) {
- (externalListeners ||= []).push(listener);
- continue;
- }
- listener(data);
- }
- if (externalListeners) {
- for (const listener of externalListeners) {
- listener(data);
- }
- externalListeners = null;
- }
- }
- _on(eventName, listener, options = null) {
- const eventListeners = (this.#listeners[eventName] ||= []);
- eventListeners.push({
- listener,
- external: options?.external === true,
- once: options?.once === true,
- });
- }
- _off(eventName, listener, options = null) {
- const eventListeners = this.#listeners[eventName];
- if (!eventListeners) {
- return;
- }
- for (let i = 0, ii = eventListeners.length; i < ii; i++) {
- if (eventListeners[i].listener === listener) {
- eventListeners.splice(i, 1);
- return;
- }
- }
- }
- }
- exports.EventBus = EventBus;
- class AutomationEventBus extends EventBus {
- dispatch(eventName, data) {
- throw new Error("Not implemented: AutomationEventBus.dispatch");
- }
- }
- exports.AutomationEventBus = AutomationEventBus;
- /***/
- },
- /* 7 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.SimpleLinkService =
- exports.PDFLinkService =
- exports.LinkTarget =
- void 0;
- var _ui_utils = __webpack_require__(3);
- const DEFAULT_LINK_REL = "noopener noreferrer nofollow";
- const LinkTarget = {
- NONE: 0,
- SELF: 1,
- BLANK: 2,
- PARENT: 3,
- TOP: 4,
- };
- exports.LinkTarget = LinkTarget;
- function addLinkAttributes(
- link,
- { url, target, rel, enabled = true } = {}
- ) {
- if (!url || typeof url !== "string") {
- throw new Error('A valid "url" parameter must provided.');
- }
- const urlNullRemoved = (0, _ui_utils.removeNullCharacters)(url);
- if (enabled) {
- link.href = link.title = urlNullRemoved;
- } else {
- link.href = "";
- link.title = `Disabled: ${urlNullRemoved}`;
- link.onclick = () => {
- return false;
- };
- }
- let targetStr = "";
- switch (target) {
- case LinkTarget.NONE:
- break;
- case LinkTarget.SELF:
- targetStr = "_self";
- break;
- case LinkTarget.BLANK:
- targetStr = "_blank";
- break;
- case LinkTarget.PARENT:
- targetStr = "_parent";
- break;
- case LinkTarget.TOP:
- targetStr = "_top";
- break;
- }
- link.target = targetStr;
- link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL;
- }
- class PDFLinkService {
- #pagesRefCache = new Map();
- constructor({
- eventBus,
- externalLinkTarget = null,
- externalLinkRel = null,
- ignoreDestinationZoom = false,
- } = {}) {
- this.eventBus = eventBus;
- this.externalLinkTarget = externalLinkTarget;
- this.externalLinkRel = externalLinkRel;
- this.externalLinkEnabled = true;
- this._ignoreDestinationZoom = ignoreDestinationZoom;
- this.baseUrl = null;
- this.pdfDocument = null;
- this.pdfViewer = null;
- this.pdfHistory = null;
- }
- setDocument(pdfDocument, baseUrl = null) {
- this.baseUrl = baseUrl;
- this.pdfDocument = pdfDocument;
- this.#pagesRefCache.clear();
- }
- setViewer(pdfViewer) {
- this.pdfViewer = pdfViewer;
- }
- setHistory(pdfHistory) {
- this.pdfHistory = pdfHistory;
- }
- get pagesCount() {
- return this.pdfDocument ? this.pdfDocument.numPages : 0;
- }
- get page() {
- return this.pdfViewer.currentPageNumber;
- }
- set page(value) {
- this.pdfViewer.currentPageNumber = value;
- }
- get rotation() {
- return this.pdfViewer.pagesRotation;
- }
- set rotation(value) {
- this.pdfViewer.pagesRotation = value;
- }
- get isInPresentationMode() {
- return this.pdfViewer.isInPresentationMode;
- }
- #goToDestinationHelper(rawDest, namedDest = null, explicitDest) {
- const destRef = explicitDest[0];
- let pageNumber;
- if (typeof destRef === "object" && destRef !== null) {
- pageNumber = this._cachedPageNumber(destRef);
- if (!pageNumber) {
- this.pdfDocument
- .getPageIndex(destRef)
- .then((pageIndex) => {
- this.cachePageRef(pageIndex + 1, destRef);
- this.#goToDestinationHelper(rawDest, namedDest, explicitDest);
- })
- .catch(() => {
- console.error(
- `PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` +
- `a valid page reference, for dest="${rawDest}".`
- );
- });
- return;
- }
- } else if (Number.isInteger(destRef)) {
- pageNumber = destRef + 1;
- } else {
- console.error(
- `PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` +
- `a valid destination reference, for dest="${rawDest}".`
- );
- return;
- }
- if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
- console.error(
- `PDFLinkService.#goToDestinationHelper: "${pageNumber}" is not ` +
- `a valid page number, for dest="${rawDest}".`
- );
- return;
- }
- if (this.pdfHistory) {
- this.pdfHistory.pushCurrentPosition();
- this.pdfHistory.push({
- namedDest,
- explicitDest,
- pageNumber,
- });
- }
- this.pdfViewer.scrollPageIntoView({
- pageNumber,
- destArray: explicitDest,
- ignoreDestinationZoom: this._ignoreDestinationZoom,
- });
- }
- async goToDestination(dest) {
- if (!this.pdfDocument) {
- return;
- }
- let namedDest, explicitDest;
- if (typeof dest === "string") {
- namedDest = dest;
- explicitDest = await this.pdfDocument.getDestination(dest);
- } else {
- namedDest = null;
- explicitDest = await dest;
- }
- if (!Array.isArray(explicitDest)) {
- console.error(
- `PDFLinkService.goToDestination: "${explicitDest}" is not ` +
- `a valid destination array, for dest="${dest}".`
- );
- return;
- }
- this.#goToDestinationHelper(dest, namedDest, explicitDest);
- }
- goToPage(val) {
- if (!this.pdfDocument) {
- return;
- }
- const pageNumber =
- (typeof val === "string" &&
- this.pdfViewer.pageLabelToPageNumber(val)) ||
- val | 0;
- if (
- !(
- Number.isInteger(pageNumber) &&
- pageNumber > 0 &&
- pageNumber <= this.pagesCount
- )
- ) {
- console.error(
- `PDFLinkService.goToPage: "${val}" is not a valid page.`
- );
- return;
- }
- if (this.pdfHistory) {
- this.pdfHistory.pushCurrentPosition();
- this.pdfHistory.pushPage(pageNumber);
- }
- this.pdfViewer.scrollPageIntoView({
- pageNumber,
- });
- }
- addLinkAttributes(link, url, newWindow = false) {
- addLinkAttributes(link, {
- url,
- target: newWindow ? LinkTarget.BLANK : this.externalLinkTarget,
- rel: this.externalLinkRel,
- enabled: this.externalLinkEnabled,
- });
- }
- getDestinationHash(dest) {
- if (typeof dest === "string") {
- if (dest.length > 0) {
- return this.getAnchorUrl("#" + escape(dest));
- }
- } else if (Array.isArray(dest)) {
- const str = JSON.stringify(dest);
- if (str.length > 0) {
- return this.getAnchorUrl("#" + escape(str));
- }
- }
- return this.getAnchorUrl("");
- }
- getAnchorUrl(anchor) {
- return this.baseUrl ? this.baseUrl + anchor : anchor;
- }
- setHash(hash) {
- if (!this.pdfDocument) {
- return;
- }
- let pageNumber, dest;
- if (hash.includes("=")) {
- const params = (0, _ui_utils.parseQueryString)(hash);
- if (params.has("search")) {
- this.eventBus.dispatch("findfromurlhash", {
- source: this,
- query: params.get("search").replaceAll('"', ""),
- phraseSearch: params.get("phrase") === "true",
- });
- }
- if (params.has("page")) {
- pageNumber = params.get("page") | 0 || 1;
- }
- if (params.has("zoom")) {
- const zoomArgs = params.get("zoom").split(",");
- const zoomArg = zoomArgs[0];
- const zoomArgNumber = parseFloat(zoomArg);
- if (!zoomArg.includes("Fit")) {
- dest = [
- null,
- {
- name: "XYZ",
- },
- zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,
- zoomArgs.length > 2 ? zoomArgs[2] | 0 : null,
- zoomArgNumber ? zoomArgNumber / 100 : zoomArg,
- ];
- } else {
- if (zoomArg === "Fit" || zoomArg === "FitB") {
- dest = [
- null,
- {
- name: zoomArg,
- },
- ];
- } else if (
- zoomArg === "FitH" ||
- zoomArg === "FitBH" ||
- zoomArg === "FitV" ||
- zoomArg === "FitBV"
- ) {
- dest = [
- null,
- {
- name: zoomArg,
- },
- zoomArgs.length > 1 ? zoomArgs[1] | 0 : null,
- ];
- } else if (zoomArg === "FitR") {
- if (zoomArgs.length !== 5) {
- console.error(
- 'PDFLinkService.setHash: Not enough parameters for "FitR".'
- );
- } else {
- dest = [
- null,
- {
- name: zoomArg,
- },
- zoomArgs[1] | 0,
- zoomArgs[2] | 0,
- zoomArgs[3] | 0,
- zoomArgs[4] | 0,
- ];
- }
- } else {
- console.error(
- `PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`
- );
- }
- }
- }
- if (dest) {
- this.pdfViewer.scrollPageIntoView({
- pageNumber: pageNumber || this.page,
- destArray: dest,
- allowNegativeOffset: true,
- });
- } else if (pageNumber) {
- this.page = pageNumber;
- }
- if (params.has("pagemode")) {
- this.eventBus.dispatch("pagemode", {
- source: this,
- mode: params.get("pagemode"),
- });
- }
- if (params.has("nameddest")) {
- this.goToDestination(params.get("nameddest"));
- }
- } else {
- dest = unescape(hash);
- try {
- dest = JSON.parse(dest);
- if (!Array.isArray(dest)) {
- dest = dest.toString();
- }
- } catch (ex) {}
- if (
- typeof dest === "string" ||
- PDFLinkService.#isValidExplicitDestination(dest)
- ) {
- this.goToDestination(dest);
- return;
- }
- console.error(
- `PDFLinkService.setHash: "${unescape(
- hash
- )}" is not a valid destination.`
- );
- }
- }
- executeNamedAction(action) {
- switch (action) {
- case "GoBack":
- this.pdfHistory?.back();
- break;
- case "GoForward":
- this.pdfHistory?.forward();
- break;
- case "NextPage":
- this.pdfViewer.nextPage();
- break;
- case "PrevPage":
- this.pdfViewer.previousPage();
- break;
- case "LastPage":
- this.page = this.pagesCount;
- break;
- case "FirstPage":
- this.page = 1;
- break;
- default:
- break;
- }
- this.eventBus.dispatch("namedaction", {
- source: this,
- action,
- });
- }
- async executeSetOCGState(action) {
- const pdfDocument = this.pdfDocument;
- const optionalContentConfig = await this.pdfViewer
- .optionalContentConfigPromise;
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- let operator;
- for (const elem of action.state) {
- switch (elem) {
- case "ON":
- case "OFF":
- case "Toggle":
- operator = elem;
- continue;
- }
- switch (operator) {
- case "ON":
- optionalContentConfig.setVisibility(elem, true);
- break;
- case "OFF":
- optionalContentConfig.setVisibility(elem, false);
- break;
- case "Toggle":
- const group = optionalContentConfig.getGroup(elem);
- if (group) {
- optionalContentConfig.setVisibility(elem, !group.visible);
- }
- break;
- }
- }
- this.pdfViewer.optionalContentConfigPromise = Promise.resolve(
- optionalContentConfig
- );
- }
- cachePageRef(pageNum, pageRef) {
- if (!pageRef) {
- return;
- }
- const refStr =
- pageRef.gen === 0
- ? `${pageRef.num}R`
- : `${pageRef.num}R${pageRef.gen}`;
- this.#pagesRefCache.set(refStr, pageNum);
- }
- _cachedPageNumber(pageRef) {
- if (!pageRef) {
- return null;
- }
- const refStr =
- pageRef.gen === 0
- ? `${pageRef.num}R`
- : `${pageRef.num}R${pageRef.gen}`;
- return this.#pagesRefCache.get(refStr) || null;
- }
- isPageVisible(pageNumber) {
- return this.pdfViewer.isPageVisible(pageNumber);
- }
- isPageCached(pageNumber) {
- return this.pdfViewer.isPageCached(pageNumber);
- }
- static #isValidExplicitDestination(dest) {
- if (!Array.isArray(dest)) {
- return false;
- }
- const destLength = dest.length;
- if (destLength < 2) {
- return false;
- }
- const page = dest[0];
- if (
- !(
- typeof page === "object" &&
- Number.isInteger(page.num) &&
- Number.isInteger(page.gen)
- ) &&
- !(Number.isInteger(page) && page >= 0)
- ) {
- return false;
- }
- const zoom = dest[1];
- if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
- return false;
- }
- let allowNull = true;
- switch (zoom.name) {
- case "XYZ":
- if (destLength !== 5) {
- return false;
- }
- break;
- case "Fit":
- case "FitB":
- return destLength === 2;
- case "FitH":
- case "FitBH":
- case "FitV":
- case "FitBV":
- if (destLength !== 3) {
- return false;
- }
- break;
- case "FitR":
- if (destLength !== 6) {
- return false;
- }
- allowNull = false;
- break;
- default:
- return false;
- }
- for (let i = 2; i < destLength; i++) {
- const param = dest[i];
- if (!(typeof param === "number" || (allowNull && param === null))) {
- return false;
- }
- }
- return true;
- }
- }
- exports.PDFLinkService = PDFLinkService;
- class SimpleLinkService {
- constructor() {
- this.externalLinkEnabled = true;
- }
- get pagesCount() {
- return 0;
- }
- get page() {
- return 0;
- }
- set page(value) {}
- get rotation() {
- return 0;
- }
- set rotation(value) {}
- get isInPresentationMode() {
- return false;
- }
- async goToDestination(dest) {}
- goToPage(val) {}
- addLinkAttributes(link, url, newWindow = false) {
- addLinkAttributes(link, {
- url,
- enabled: this.externalLinkEnabled,
- });
- }
- getDestinationHash(dest) {
- return "#";
- }
- getAnchorUrl(hash) {
- return "#";
- }
- setHash(hash) {}
- executeNamedAction(action) {}
- executeSetOCGState(action) {}
- cachePageRef(pageNum, pageRef) {}
- isPageVisible(pageNumber) {
- return true;
- }
- isPageCached(pageNumber) {
- return true;
- }
- }
- exports.SimpleLinkService = SimpleLinkService;
- /***/
- },
- /* 8 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.AnnotationEditorParams = void 0;
- var _pdfjsLib = __webpack_require__(4);
- class AnnotationEditorParams {
- constructor(options, eventBus) {
- this.eventBus = eventBus;
- this.#bindListeners(options);
- }
- #bindListeners({
- editorFreeTextFontSize,
- editorFreeTextColor,
- editorInkColor,
- editorInkThickness,
- editorInkOpacity,
- }) {
- editorFreeTextFontSize.addEventListener("input", (evt) => {
- this.eventBus.dispatch("switchannotationeditorparams", {
- source: this,
- type: _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE,
- value: editorFreeTextFontSize.valueAsNumber,
- });
- });
- editorFreeTextColor.addEventListener("input", (evt) => {
- this.eventBus.dispatch("switchannotationeditorparams", {
- source: this,
- type: _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR,
- value: editorFreeTextColor.value,
- });
- });
- editorInkColor.addEventListener("input", (evt) => {
- this.eventBus.dispatch("switchannotationeditorparams", {
- source: this,
- type: _pdfjsLib.AnnotationEditorParamsType.INK_COLOR,
- value: editorInkColor.value,
- });
- });
- editorInkThickness.addEventListener("input", (evt) => {
- this.eventBus.dispatch("switchannotationeditorparams", {
- source: this,
- type: _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS,
- value: editorInkThickness.valueAsNumber,
- });
- });
- editorInkOpacity.addEventListener("input", (evt) => {
- this.eventBus.dispatch("switchannotationeditorparams", {
- source: this,
- type: _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY,
- value: editorInkOpacity.valueAsNumber,
- });
- });
- this.eventBus._on("annotationeditorparamschanged", (evt) => {
- for (const [type, value] of evt.details) {
- switch (type) {
- case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE:
- editorFreeTextFontSize.value = value;
- break;
- case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR:
- editorFreeTextColor.value = value;
- break;
- case _pdfjsLib.AnnotationEditorParamsType.INK_COLOR:
- editorInkColor.value = value;
- break;
- case _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS:
- editorInkThickness.value = value;
- break;
- case _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY:
- editorInkOpacity.value = value;
- break;
- }
- }
- });
- }
- }
- exports.AnnotationEditorParams = AnnotationEditorParams;
- /***/
- },
- /* 9 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.OverlayManager = void 0;
- class OverlayManager {
- #overlays = new WeakMap();
- #active = null;
- get active() {
- return this.#active;
- }
- async register(dialog, canForceClose = false) {
- if (typeof dialog !== "object") {
- throw new Error("Not enough parameters.");
- } else if (this.#overlays.has(dialog)) {
- throw new Error("The overlay is already registered.");
- }
- this.#overlays.set(dialog, {
- canForceClose,
- });
- dialog.addEventListener("cancel", (evt) => {
- this.#active = null;
- });
- }
- async unregister(dialog) {
- if (!this.#overlays.has(dialog)) {
- throw new Error("The overlay does not exist.");
- } else if (this.#active === dialog) {
- throw new Error(
- "The overlay cannot be removed while it is active."
- );
- }
- this.#overlays.delete(dialog);
- }
- async open(dialog) {
- if (!this.#overlays.has(dialog)) {
- throw new Error("The overlay does not exist.");
- } else if (this.#active) {
- if (this.#active === dialog) {
- throw new Error("The overlay is already active.");
- } else if (this.#overlays.get(dialog).canForceClose) {
- await this.close();
- } else {
- throw new Error("Another overlay is currently active.");
- }
- }
- this.#active = dialog;
- dialog.showModal();
- }
- async close(dialog = this.#active) {
- if (!this.#overlays.has(dialog)) {
- throw new Error("The overlay does not exist.");
- } else if (!this.#active) {
- throw new Error("The overlay is currently not active.");
- } else if (this.#active !== dialog) {
- throw new Error("Another overlay is currently active.");
- }
- dialog.close();
- this.#active = null;
- }
- }
- exports.OverlayManager = OverlayManager;
- /***/
- },
- /* 10 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PasswordPrompt = void 0;
- var _pdfjsLib = __webpack_require__(4);
- class PasswordPrompt {
- #activeCapability = null;
- #updateCallback = null;
- #reason = null;
- constructor(options, overlayManager, l10n, isViewerEmbedded = false) {
- this.dialog = options.dialog;
- this.label = options.label;
- this.input = options.input;
- this.submitButton = options.submitButton;
- this.cancelButton = options.cancelButton;
- this.overlayManager = overlayManager;
- this.l10n = l10n;
- this._isViewerEmbedded = isViewerEmbedded;
- this.submitButton.addEventListener("click", this.#verify.bind(this));
- this.cancelButton.addEventListener("click", this.close.bind(this));
- this.input.addEventListener("keydown", (e) => {
- if (e.keyCode === 13) {
- this.#verify();
- }
- });
- this.overlayManager.register(this.dialog, true);
- this.dialog.addEventListener("close", this.#cancel.bind(this));
- }
- async open() {
- if (this.#activeCapability) {
- await this.#activeCapability.promise;
- }
- this.#activeCapability = (0, _pdfjsLib.createPromiseCapability)();
- try {
- await this.overlayManager.open(this.dialog);
- } catch (ex) {
- this.#activeCapability = null;
- throw ex;
- }
- const passwordIncorrect =
- this.#reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD;
- if (!this._isViewerEmbedded || passwordIncorrect) {
- this.input.focus();
- }
- this.label.textContent = await this.l10n.get(
- `password_${passwordIncorrect ? "invalid" : "label"}`
- );
- }
- async close() {
- if (this.overlayManager.active === this.dialog) {
- this.overlayManager.close(this.dialog);
- }
- }
- #verify() {
- const password = this.input.value;
- if (password?.length > 0) {
- this.#invokeCallback(password);
- }
- }
- #cancel() {
- this.#invokeCallback(new Error("PasswordPrompt cancelled."));
- this.#activeCapability.resolve();
- }
- #invokeCallback(password) {
- if (!this.#updateCallback) {
- return;
- }
- this.close();
- this.input.value = "";
- this.#updateCallback(password);
- this.#updateCallback = null;
- }
- async setUpdateCallback(updateCallback, reason) {
- if (this.#activeCapability) {
- await this.#activeCapability.promise;
- }
- this.#updateCallback = updateCallback;
- this.#reason = reason;
- }
- }
- exports.PasswordPrompt = PasswordPrompt;
- /***/
- },
- /* 11 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFAttachmentViewer = void 0;
- var _pdfjsLib = __webpack_require__(4);
- var _base_tree_viewer = __webpack_require__(12);
- var _event_utils = __webpack_require__(6);
- class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer {
- constructor(options) {
- super(options);
- this.downloadManager = options.downloadManager;
- this.eventBus._on(
- "fileattachmentannotation",
- this.#appendAttachment.bind(this)
- );
- }
- reset(keepRenderedCapability = false) {
- super.reset();
- this._attachments = null;
- if (!keepRenderedCapability) {
- this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
- }
- this._pendingDispatchEvent = false;
- }
- async _dispatchEvent(attachmentsCount) {
- this._renderedCapability.resolve();
- if (attachmentsCount === 0 && !this._pendingDispatchEvent) {
- this._pendingDispatchEvent = true;
- await (0, _event_utils.waitOnEventOrTimeout)({
- target: this.eventBus,
- name: "annotationlayerrendered",
- delay: 1000,
- });
- if (!this._pendingDispatchEvent) {
- return;
- }
- }
- this._pendingDispatchEvent = false;
- this.eventBus.dispatch("attachmentsloaded", {
- source: this,
- attachmentsCount,
- });
- }
- _bindLink(element, { content, filename }) {
- element.onclick = () => {
- this.downloadManager.openOrDownloadData(element, content, filename);
- return false;
- };
- }
- render({ attachments, keepRenderedCapability = false }) {
- if (this._attachments) {
- this.reset(keepRenderedCapability);
- }
- this._attachments = attachments || null;
- if (!attachments) {
- this._dispatchEvent(0);
- return;
- }
- const names = Object.keys(attachments).sort(function (a, b) {
- return a.toLowerCase().localeCompare(b.toLowerCase());
- });
- const fragment = document.createDocumentFragment();
- let attachmentsCount = 0;
- for (const name of names) {
- const item = attachments[name];
- const content = item.content,
- filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename, true);
- const div = document.createElement("div");
- div.className = "treeItem";
- const element = document.createElement("a");
- this._bindLink(element, {
- content,
- filename,
- });
- element.textContent = this._normalizeTextContent(filename);
- div.append(element);
- fragment.append(div);
- attachmentsCount++;
- }
- this._finishRendering(fragment, attachmentsCount);
- }
- #appendAttachment({ filename, content }) {
- const renderedPromise = this._renderedCapability.promise;
- renderedPromise.then(() => {
- if (renderedPromise !== this._renderedCapability.promise) {
- return;
- }
- const attachments = this._attachments || Object.create(null);
- for (const name in attachments) {
- if (filename === name) {
- return;
- }
- }
- attachments[filename] = {
- filename,
- content,
- };
- this.render({
- attachments,
- keepRenderedCapability: true,
- });
- });
- }
- }
- exports.PDFAttachmentViewer = PDFAttachmentViewer;
- /***/
- },
- /* 12 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.BaseTreeViewer = void 0;
- var _ui_utils = __webpack_require__(3);
- const TREEITEM_OFFSET_TOP = -100;
- const TREEITEM_SELECTED_CLASS = "selected";
- class BaseTreeViewer {
- constructor(options) {
- if (this.constructor === BaseTreeViewer) {
- throw new Error("Cannot initialize BaseTreeViewer.");
- }
- this.container = options.container;
- this.eventBus = options.eventBus;
- this.reset();
- }
- reset() {
- this._pdfDocument = null;
- this._lastToggleIsShow = true;
- this._currentTreeItem = null;
- this.container.textContent = "";
- this.container.classList.remove("treeWithDeepNesting");
- }
- _dispatchEvent(count) {
- throw new Error("Not implemented: _dispatchEvent");
- }
- _bindLink(element, params) {
- throw new Error("Not implemented: _bindLink");
- }
- _normalizeTextContent(str) {
- return (0, _ui_utils.removeNullCharacters)(str, true) || "\u2013";
- }
- _addToggleButton(div, hidden = false) {
- const toggler = document.createElement("div");
- toggler.className = "treeItemToggler";
- if (hidden) {
- toggler.classList.add("treeItemsHidden");
- }
- toggler.onclick = (evt) => {
- evt.stopPropagation();
- toggler.classList.toggle("treeItemsHidden");
- if (evt.shiftKey) {
- const shouldShowAll =
- !toggler.classList.contains("treeItemsHidden");
- this._toggleTreeItem(div, shouldShowAll);
- }
- };
- div.prepend(toggler);
- }
- _toggleTreeItem(root, show = false) {
- this._lastToggleIsShow = show;
- for (const toggler of root.querySelectorAll(".treeItemToggler")) {
- toggler.classList.toggle("treeItemsHidden", !show);
- }
- }
- _toggleAllTreeItems() {
- this._toggleTreeItem(this.container, !this._lastToggleIsShow);
- }
- _finishRendering(fragment, count, hasAnyNesting = false) {
- if (hasAnyNesting) {
- this.container.classList.add("treeWithDeepNesting");
- this._lastToggleIsShow =
- !fragment.querySelector(".treeItemsHidden");
- }
- this.container.append(fragment);
- this._dispatchEvent(count);
- }
- render(params) {
- throw new Error("Not implemented: render");
- }
- _updateCurrentTreeItem(treeItem = null) {
- if (this._currentTreeItem) {
- this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);
- this._currentTreeItem = null;
- }
- if (treeItem) {
- treeItem.classList.add(TREEITEM_SELECTED_CLASS);
- this._currentTreeItem = treeItem;
- }
- }
- _scrollToCurrentTreeItem(treeItem) {
- if (!treeItem) {
- return;
- }
- let currentNode = treeItem.parentNode;
- while (currentNode && currentNode !== this.container) {
- if (currentNode.classList.contains("treeItem")) {
- const toggler = currentNode.firstElementChild;
- toggler?.classList.remove("treeItemsHidden");
- }
- currentNode = currentNode.parentNode;
- }
- this._updateCurrentTreeItem(treeItem);
- this.container.scrollTo(
- treeItem.offsetLeft,
- treeItem.offsetTop + TREEITEM_OFFSET_TOP
- );
- }
- }
- exports.BaseTreeViewer = BaseTreeViewer;
- /***/
- },
- /* 13 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFCursorTools = void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdfjsLib = __webpack_require__(4);
- var _grab_to_pan = __webpack_require__(14);
- class PDFCursorTools {
- constructor({
- container,
- eventBus,
- cursorToolOnLoad = _ui_utils.CursorTool.SELECT,
- }) {
- this.container = container;
- this.eventBus = eventBus;
- this.active = _ui_utils.CursorTool.SELECT;
- this.previouslyActive = null;
- this.handTool = new _grab_to_pan.GrabToPan({
- element: this.container,
- });
- this.#addEventListeners();
- Promise.resolve().then(() => {
- this.switchTool(cursorToolOnLoad);
- });
- }
- get activeTool() {
- return this.active;
- }
- switchTool(tool) {
- if (this.previouslyActive !== null) {
- return;
- }
- if (tool === this.active) {
- return;
- }
- const disableActiveTool = () => {
- switch (this.active) {
- case _ui_utils.CursorTool.SELECT:
- break;
- case _ui_utils.CursorTool.HAND:
- this.handTool.deactivate();
- break;
- case _ui_utils.CursorTool.ZOOM:
- }
- };
- switch (tool) {
- case _ui_utils.CursorTool.SELECT:
- disableActiveTool();
- break;
- case _ui_utils.CursorTool.HAND:
- disableActiveTool();
- this.handTool.activate();
- break;
- case _ui_utils.CursorTool.ZOOM:
- default:
- console.error(`switchTool: "${tool}" is an unsupported value.`);
- return;
- }
- this.active = tool;
- this.#dispatchEvent();
- }
- #dispatchEvent() {
- this.eventBus.dispatch("cursortoolchanged", {
- source: this,
- tool: this.active,
- });
- }
- #addEventListeners() {
- this.eventBus._on("switchcursortool", (evt) => {
- this.switchTool(evt.tool);
- });
- let annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE,
- presentationModeState = _ui_utils.PresentationModeState.NORMAL;
- const disableActive = () => {
- const previouslyActive = this.active;
- this.switchTool(_ui_utils.CursorTool.SELECT);
- this.previouslyActive ??= previouslyActive;
- };
- const enableActive = () => {
- const previouslyActive = this.previouslyActive;
- if (
- previouslyActive !== null &&
- annotationEditorMode === _pdfjsLib.AnnotationEditorType.NONE &&
- presentationModeState === _ui_utils.PresentationModeState.NORMAL
- ) {
- this.previouslyActive = null;
- this.switchTool(previouslyActive);
- }
- };
- this.eventBus._on("secondarytoolbarreset", (evt) => {
- if (this.previouslyActive !== null) {
- annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE;
- presentationModeState = _ui_utils.PresentationModeState.NORMAL;
- enableActive();
- }
- });
- this.eventBus._on("annotationeditormodechanged", ({ mode }) => {
- annotationEditorMode = mode;
- if (mode === _pdfjsLib.AnnotationEditorType.NONE) {
- enableActive();
- } else {
- disableActive();
- }
- });
- this.eventBus._on("presentationmodechanged", ({ state }) => {
- presentationModeState = state;
- if (state === _ui_utils.PresentationModeState.NORMAL) {
- enableActive();
- } else if (state === _ui_utils.PresentationModeState.FULLSCREEN) {
- disableActive();
- }
- });
- }
- }
- exports.PDFCursorTools = PDFCursorTools;
- /***/
- },
- /* 14 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.GrabToPan = void 0;
- const CSS_CLASS_GRAB = "grab-to-pan-grab";
- class GrabToPan {
- constructor(options) {
- this.element = options.element;
- this.document = options.element.ownerDocument;
- if (typeof options.ignoreTarget === "function") {
- this.ignoreTarget = options.ignoreTarget;
- }
- this.onActiveChanged = options.onActiveChanged;
- this.activate = this.activate.bind(this);
- this.deactivate = this.deactivate.bind(this);
- this.toggle = this.toggle.bind(this);
- this._onMouseDown = this.#onMouseDown.bind(this);
- this._onMouseMove = this.#onMouseMove.bind(this);
- this._endPan = this.#endPan.bind(this);
- const overlay = (this.overlay = document.createElement("div"));
- overlay.className = "grab-to-pan-grabbing";
- }
- activate() {
- if (!this.active) {
- this.active = true;
- this.element.addEventListener("mousedown", this._onMouseDown, true);
- this.element.classList.add(CSS_CLASS_GRAB);
- this.onActiveChanged?.(true);
- }
- }
- deactivate() {
- if (this.active) {
- this.active = false;
- this.element.removeEventListener(
- "mousedown",
- this._onMouseDown,
- true
- );
- this._endPan();
- this.element.classList.remove(CSS_CLASS_GRAB);
- this.onActiveChanged?.(false);
- }
- }
- toggle() {
- if (this.active) {
- this.deactivate();
- } else {
- this.activate();
- }
- }
- ignoreTarget(node) {
- return node.matches(
- "a[href], a[href] *, input, textarea, button, button *, select, option"
- );
- }
- #onMouseDown(event) {
- if (event.button !== 0 || this.ignoreTarget(event.target)) {
- return;
- }
- if (event.originalTarget) {
- try {
- event.originalTarget.tagName;
- } catch (e) {
- return;
- }
- }
- this.scrollLeftStart = this.element.scrollLeft;
- this.scrollTopStart = this.element.scrollTop;
- this.clientXStart = event.clientX;
- this.clientYStart = event.clientY;
- this.document.addEventListener("mousemove", this._onMouseMove, true);
- this.document.addEventListener("mouseup", this._endPan, true);
- this.element.addEventListener("scroll", this._endPan, true);
- event.preventDefault();
- event.stopPropagation();
- const focusedElement = document.activeElement;
- if (focusedElement && !focusedElement.contains(event.target)) {
- focusedElement.blur();
- }
- }
- #onMouseMove(event) {
- this.element.removeEventListener("scroll", this._endPan, true);
- if (!(event.buttons & 1)) {
- this._endPan();
- return;
- }
- const xDiff = event.clientX - this.clientXStart;
- const yDiff = event.clientY - this.clientYStart;
- const scrollTop = this.scrollTopStart - yDiff;
- const scrollLeft = this.scrollLeftStart - xDiff;
- if (this.element.scrollTo) {
- this.element.scrollTo({
- top: scrollTop,
- left: scrollLeft,
- behavior: "instant",
- });
- } else {
- this.element.scrollTop = scrollTop;
- this.element.scrollLeft = scrollLeft;
- }
- if (!this.overlay.parentNode) {
- document.body.append(this.overlay);
- }
- }
- #endPan() {
- this.element.removeEventListener("scroll", this._endPan, true);
- this.document.removeEventListener(
- "mousemove",
- this._onMouseMove,
- true
- );
- this.document.removeEventListener("mouseup", this._endPan, true);
- this.overlay.remove();
- }
- }
- exports.GrabToPan = GrabToPan;
- /***/
- },
- /* 15 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFDocumentProperties = void 0;
- var _pdfjsLib = __webpack_require__(4);
- var _ui_utils = __webpack_require__(3);
- const DEFAULT_FIELD_CONTENT = "-";
- const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
- const US_PAGE_NAMES = {
- "8.5x11": "Letter",
- "8.5x14": "Legal",
- };
- const METRIC_PAGE_NAMES = {
- "297x420": "A3",
- "210x297": "A4",
- };
- function getPageName(size, isPortrait, pageNames) {
- const width = isPortrait ? size.width : size.height;
- const height = isPortrait ? size.height : size.width;
- return pageNames[`${width}x${height}`];
- }
- class PDFDocumentProperties {
- #fieldData = null;
- constructor(
- { dialog, fields, closeButton },
- overlayManager,
- eventBus,
- l10n,
- fileNameLookup
- ) {
- this.dialog = dialog;
- this.fields = fields;
- this.overlayManager = overlayManager;
- this.l10n = l10n;
- this._fileNameLookup = fileNameLookup;
- this.#reset();
- closeButton.addEventListener("click", this.close.bind(this));
- this.overlayManager.register(this.dialog);
- eventBus._on("pagechanging", (evt) => {
- this._currentPageNumber = evt.pageNumber;
- });
- eventBus._on("rotationchanging", (evt) => {
- this._pagesRotation = evt.pagesRotation;
- });
- this._isNonMetricLocale = true;
- l10n.getLanguage().then((locale) => {
- this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
- });
- }
- async open() {
- await Promise.all([
- this.overlayManager.open(this.dialog),
- this._dataAvailableCapability.promise,
- ]);
- const currentPageNumber = this._currentPageNumber;
- const pagesRotation = this._pagesRotation;
- if (
- this.#fieldData &&
- currentPageNumber === this.#fieldData._currentPageNumber &&
- pagesRotation === this.#fieldData._pagesRotation
- ) {
- this.#updateUI();
- return;
- }
- const { info, contentLength } = await this.pdfDocument.getMetadata();
- const [
- fileName,
- fileSize,
- creationDate,
- modificationDate,
- pageSize,
- isLinearized,
- ] = await Promise.all([
- this._fileNameLookup(),
- this.#parseFileSize(contentLength),
- this.#parseDate(info.CreationDate),
- this.#parseDate(info.ModDate),
- this.pdfDocument.getPage(currentPageNumber).then((pdfPage) => {
- return this.#parsePageSize(
- (0, _ui_utils.getPageSizeInches)(pdfPage),
- pagesRotation
- );
- }),
- this.#parseLinearization(info.IsLinearized),
- ]);
- this.#fieldData = Object.freeze({
- fileName,
- fileSize,
- title: info.Title,
- author: info.Author,
- subject: info.Subject,
- keywords: info.Keywords,
- creationDate,
- modificationDate,
- creator: info.Creator,
- producer: info.Producer,
- version: info.PDFFormatVersion,
- pageCount: this.pdfDocument.numPages,
- pageSize,
- linearized: isLinearized,
- _currentPageNumber: currentPageNumber,
- _pagesRotation: pagesRotation,
- });
- this.#updateUI();
- const { length } = await this.pdfDocument.getDownloadInfo();
- if (contentLength === length) {
- return;
- }
- const data = Object.assign(Object.create(null), this.#fieldData);
- data.fileSize = await this.#parseFileSize(length);
- this.#fieldData = Object.freeze(data);
- this.#updateUI();
- }
- async close() {
- this.overlayManager.close(this.dialog);
- }
- setDocument(pdfDocument) {
- if (this.pdfDocument) {
- this.#reset();
- this.#updateUI(true);
- }
- if (!pdfDocument) {
- return;
- }
- this.pdfDocument = pdfDocument;
- this._dataAvailableCapability.resolve();
- }
- #reset() {
- this.pdfDocument = null;
- this.#fieldData = null;
- this._dataAvailableCapability = (0,
- _pdfjsLib.createPromiseCapability)();
- this._currentPageNumber = 1;
- this._pagesRotation = 0;
- }
- #updateUI(reset = false) {
- if (reset || !this.#fieldData) {
- for (const id in this.fields) {
- this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
- }
- return;
- }
- if (this.overlayManager.active !== this.dialog) {
- return;
- }
- for (const id in this.fields) {
- const content = this.#fieldData[id];
- this.fields[id].textContent =
- content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
- }
- }
- async #parseFileSize(fileSize = 0) {
- const kb = fileSize / 1024,
- mb = kb / 1024;
- if (!kb) {
- return undefined;
- }
- return this.l10n.get(`document_properties_${mb >= 1 ? "mb" : "kb"}`, {
- size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(),
- size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(),
- size_b: fileSize.toLocaleString(),
- });
- }
- async #parsePageSize(pageSizeInches, pagesRotation) {
- if (!pageSizeInches) {
- return undefined;
- }
- if (pagesRotation % 180 !== 0) {
- pageSizeInches = {
- width: pageSizeInches.height,
- height: pageSizeInches.width,
- };
- }
- const isPortrait = (0, _ui_utils.isPortraitOrientation)(
- pageSizeInches
- );
- let sizeInches = {
- width: Math.round(pageSizeInches.width * 100) / 100,
- height: Math.round(pageSizeInches.height * 100) / 100,
- };
- let sizeMillimeters = {
- width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
- height: Math.round(pageSizeInches.height * 25.4 * 10) / 10,
- };
- let rawName =
- getPageName(sizeInches, isPortrait, US_PAGE_NAMES) ||
- getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
- if (
- !rawName &&
- !(
- Number.isInteger(sizeMillimeters.width) &&
- Number.isInteger(sizeMillimeters.height)
- )
- ) {
- const exactMillimeters = {
- width: pageSizeInches.width * 25.4,
- height: pageSizeInches.height * 25.4,
- };
- const intMillimeters = {
- width: Math.round(sizeMillimeters.width),
- height: Math.round(sizeMillimeters.height),
- };
- if (
- Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 &&
- Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1
- ) {
- rawName = getPageName(
- intMillimeters,
- isPortrait,
- METRIC_PAGE_NAMES
- );
- if (rawName) {
- sizeInches = {
- width: Math.round((intMillimeters.width / 25.4) * 100) / 100,
- height:
- Math.round((intMillimeters.height / 25.4) * 100) / 100,
- };
- sizeMillimeters = intMillimeters;
- }
- }
- }
- const [{ width, height }, unit, name, orientation] =
- await Promise.all([
- this._isNonMetricLocale ? sizeInches : sizeMillimeters,
- this.l10n.get(
- `document_properties_page_size_unit_${
- this._isNonMetricLocale ? "inches" : "millimeters"
- }`
- ),
- rawName &&
- this.l10n.get(
- `document_properties_page_size_name_${rawName.toLowerCase()}`
- ),
- this.l10n.get(
- `document_properties_page_size_orientation_${
- isPortrait ? "portrait" : "landscape"
- }`
- ),
- ]);
- return this.l10n.get(
- `document_properties_page_size_dimension_${
- name ? "name_" : ""
- }string`,
- {
- width: width.toLocaleString(),
- height: height.toLocaleString(),
- unit,
- name,
- orientation,
- }
- );
- }
- async #parseDate(inputDate) {
- const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate);
- if (!dateObject) {
- return undefined;
- }
- return this.l10n.get("document_properties_date_string", {
- date: dateObject.toLocaleDateString(),
- time: dateObject.toLocaleTimeString(),
- });
- }
- #parseLinearization(isLinearized) {
- return this.l10n.get(
- `document_properties_linearized_${isLinearized ? "yes" : "no"}`
- );
- }
- }
- exports.PDFDocumentProperties = PDFDocumentProperties;
- /***/
- },
- /* 16 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFFindBar = void 0;
- var _pdf_find_controller = __webpack_require__(17);
- const MATCHES_COUNT_LIMIT = 1000;
- class PDFFindBar {
- constructor(options, eventBus, l10n) {
- this.opened = false;
- this.bar = options.bar;
- this.toggleButton = options.toggleButton;
- this.findField = options.findField;
- this.highlightAll = options.highlightAllCheckbox;
- this.caseSensitive = options.caseSensitiveCheckbox;
- this.matchDiacritics = options.matchDiacriticsCheckbox;
- this.entireWord = options.entireWordCheckbox;
- this.findMsg = options.findMsg;
- this.findResultsCount = options.findResultsCount;
- this.findPreviousButton = options.findPreviousButton;
- this.findNextButton = options.findNextButton;
- this.eventBus = eventBus;
- this.l10n = l10n;
- this.toggleButton.addEventListener("click", () => {
- this.toggle();
- });
- this.findField.addEventListener("input", () => {
- this.dispatchEvent("");
- });
- this.bar.addEventListener("keydown", (e) => {
- switch (e.keyCode) {
- case 13:
- if (e.target === this.findField) {
- this.dispatchEvent("again", e.shiftKey);
- }
- break;
- case 27:
- this.close();
- break;
- }
- });
- this.findPreviousButton.addEventListener("click", () => {
- this.dispatchEvent("again", true);
- });
- this.findNextButton.addEventListener("click", () => {
- this.dispatchEvent("again", false);
- });
- this.highlightAll.addEventListener("click", () => {
- this.dispatchEvent("highlightallchange");
- });
- this.caseSensitive.addEventListener("click", () => {
- this.dispatchEvent("casesensitivitychange");
- });
- this.entireWord.addEventListener("click", () => {
- this.dispatchEvent("entirewordchange");
- });
- this.matchDiacritics.addEventListener("click", () => {
- this.dispatchEvent("diacriticmatchingchange");
- });
- this.eventBus._on("resize", this.#adjustWidth.bind(this));
- }
- reset() {
- this.updateUIState();
- }
- dispatchEvent(type, findPrev = false) {
- this.eventBus.dispatch("find", {
- source: this,
- type,
- query: this.findField.value,
- phraseSearch: true,
- caseSensitive: this.caseSensitive.checked,
- entireWord: this.entireWord.checked,
- highlightAll: this.highlightAll.checked,
- findPrevious: findPrev,
- matchDiacritics: this.matchDiacritics.checked,
- });
- }
- updateUIState(state, previous, matchesCount) {
- let findMsg = Promise.resolve("");
- let status = "";
- switch (state) {
- case _pdf_find_controller.FindState.FOUND:
- break;
- case _pdf_find_controller.FindState.PENDING:
- status = "pending";
- break;
- case _pdf_find_controller.FindState.NOT_FOUND:
- findMsg = this.l10n.get("find_not_found");
- status = "notFound";
- break;
- case _pdf_find_controller.FindState.WRAPPED:
- findMsg = this.l10n.get(
- `find_reached_${previous ? "top" : "bottom"}`
- );
- break;
- }
- this.findField.setAttribute("data-status", status);
- this.findField.setAttribute(
- "aria-invalid",
- state === _pdf_find_controller.FindState.NOT_FOUND
- );
- findMsg.then((msg) => {
- this.findMsg.textContent = msg;
- this.#adjustWidth();
- });
- this.updateResultsCount(matchesCount);
- }
- updateResultsCount({ current = 0, total = 0 } = {}) {
- const limit = MATCHES_COUNT_LIMIT;
- let matchCountMsg = Promise.resolve("");
- if (total > 0) {
- if (total > limit) {
- let key = "find_match_count_limit";
- matchCountMsg = this.l10n.get(key, {
- limit,
- });
- } else {
- let key = "find_match_count";
- matchCountMsg = this.l10n.get(key, {
- current,
- total,
- });
- }
- }
- matchCountMsg.then((msg) => {
- this.findResultsCount.textContent = msg;
- this.#adjustWidth();
- });
- }
- open() {
- if (!this.opened) {
- this.opened = true;
- this.toggleButton.classList.add("toggled");
- this.toggleButton.setAttribute("aria-expanded", "true");
- this.bar.classList.remove("hidden");
- }
- this.findField.select();
- this.findField.focus();
- this.#adjustWidth();
- }
- close() {
- if (!this.opened) {
- return;
- }
- this.opened = false;
- this.toggleButton.classList.remove("toggled");
- this.toggleButton.setAttribute("aria-expanded", "false");
- this.bar.classList.add("hidden");
- this.eventBus.dispatch("findbarclose", {
- source: this,
- });
- }
- toggle() {
- if (this.opened) {
- this.close();
- } else {
- this.open();
- }
- }
- #adjustWidth() {
- if (!this.opened) {
- return;
- }
- this.bar.classList.remove("wrapContainers");
- const findbarHeight = this.bar.clientHeight;
- const inputContainerHeight = this.bar.firstElementChild.clientHeight;
- if (findbarHeight > inputContainerHeight) {
- this.bar.classList.add("wrapContainers");
- }
- }
- }
- exports.PDFFindBar = PDFFindBar;
- /***/
- },
- /* 17 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFFindController = exports.FindState = void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdfjsLib = __webpack_require__(4);
- var _pdf_find_utils = __webpack_require__(18);
- const FindState = {
- FOUND: 0,
- NOT_FOUND: 1,
- WRAPPED: 2,
- PENDING: 3,
- };
- exports.FindState = FindState;
- const FIND_TIMEOUT = 250;
- const MATCH_SCROLL_OFFSET_TOP = -50;
- const MATCH_SCROLL_OFFSET_LEFT = -400;
- const CHARACTERS_TO_NORMALIZE = {
- "\u2010": "-",
- "\u2018": "'",
- "\u2019": "'",
- "\u201A": "'",
- "\u201B": "'",
- "\u201C": '"',
- "\u201D": '"',
- "\u201E": '"',
- "\u201F": '"',
- "\u00BC": "1/4",
- "\u00BD": "1/2",
- "\u00BE": "3/4",
- };
- const DIACRITICS_EXCEPTION = new Set([
- 0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d,
- 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039,
- 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2,
- 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed,
- 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74,
- ]);
- let DIACRITICS_EXCEPTION_STR;
- const DIACRITICS_REG_EXP = /\p{M}+/gu;
- const SPECIAL_CHARS_REG_EXP =
- /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu;
- const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u;
- const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u;
- const SYLLABLES_REG_EXP =
- /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g;
- const SYLLABLES_LENGTHS = new Map();
- const FIRST_CHAR_SYLLABLES_REG_EXP =
- "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]";
- const NFKC_CHARS_TO_NORMALIZE = new Map();
- let noSyllablesRegExp = null;
- let withSyllablesRegExp = null;
- function normalize(text) {
- const syllablePositions = [];
- let m;
- while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) {
- let { index } = m;
- for (const char of m[0]) {
- let len = SYLLABLES_LENGTHS.get(char);
- if (!len) {
- len = char.normalize("NFD").length;
- SYLLABLES_LENGTHS.set(char, len);
- }
- syllablePositions.push([len, index++]);
- }
- }
- let normalizationRegex;
- if (syllablePositions.length === 0 && noSyllablesRegExp) {
- normalizationRegex = noSyllablesRegExp;
- } else if (syllablePositions.length > 0 && withSyllablesRegExp) {
- normalizationRegex = withSyllablesRegExp;
- } else {
- const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
- const toNormalizeWithNFKC =
- "\u2460-\u2473" +
- "\u24b6-\u24ff" +
- "\u3244-\u32bf" +
- "\u32d0-\u32fe" +
- "\uff00-\uffef";
- const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])";
- const HKDiacritics = "(?:\u3099|\u309A)";
- const regexp = `([${replace}])|([${toNormalizeWithNFKC}])|(${HKDiacritics}\\n)|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(${CJK}\\n)|(\\n)`;
- if (syllablePositions.length === 0) {
- normalizationRegex = noSyllablesRegExp = new RegExp(
- regexp + "|(\\u0000)",
- "gum"
- );
- } else {
- normalizationRegex = withSyllablesRegExp = new RegExp(
- regexp + `|(${FIRST_CHAR_SYLLABLES_REG_EXP})`,
- "gum"
- );
- }
- }
- const rawDiacriticsPositions = [];
- while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) {
- rawDiacriticsPositions.push([m[0].length, m.index]);
- }
- let normalized = text.normalize("NFD");
- const positions = [[0, 0]];
- let rawDiacriticsIndex = 0;
- let syllableIndex = 0;
- let shift = 0;
- let shiftOrigin = 0;
- let eol = 0;
- let hasDiacritics = false;
- normalized = normalized.replace(
- normalizationRegex,
- (match, p1, p2, p3, p4, p5, p6, p7, p8, i) => {
- i -= shiftOrigin;
- if (p1) {
- const replacement = CHARACTERS_TO_NORMALIZE[p1];
- const jj = replacement.length;
- for (let j = 1; j < jj; j++) {
- positions.push([i - shift + j, shift - j]);
- }
- shift -= jj - 1;
- return replacement;
- }
- if (p2) {
- let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2);
- if (!replacement) {
- replacement = p2.normalize("NFKC");
- NFKC_CHARS_TO_NORMALIZE.set(p2, replacement);
- }
- const jj = replacement.length;
- for (let j = 1; j < jj; j++) {
- positions.push([i - shift + j, shift - j]);
- }
- shift -= jj - 1;
- return replacement;
- }
- if (p3) {
- hasDiacritics = true;
- if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
- ++rawDiacriticsIndex;
- } else {
- positions.push([i - 1 - shift + 1, shift - 1]);
- shift -= 1;
- shiftOrigin += 1;
- }
- positions.push([i - shift + 1, shift]);
- shiftOrigin += 1;
- eol += 1;
- return p3.charAt(0);
- }
- if (p4) {
- const hasTrailingDashEOL = p4.endsWith("\n");
- const len = hasTrailingDashEOL ? p4.length - 2 : p4.length;
- hasDiacritics = true;
- let jj = len;
- if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) {
- jj -= rawDiacriticsPositions[rawDiacriticsIndex][0];
- ++rawDiacriticsIndex;
- }
- for (let j = 1; j <= jj; j++) {
- positions.push([i - 1 - shift + j, shift - j]);
- }
- shift -= jj;
- shiftOrigin += jj;
- if (hasTrailingDashEOL) {
- i += len - 1;
- positions.push([i - shift + 1, 1 + shift]);
- shift += 1;
- shiftOrigin += 1;
- eol += 1;
- return p4.slice(0, len);
- }
- return p4;
- }
- if (p5) {
- const len = p5.length - 2;
- positions.push([i - shift + len, 1 + shift]);
- shift += 1;
- shiftOrigin += 1;
- eol += 1;
- return p5.slice(0, -2);
- }
- if (p6) {
- const len = p6.length - 1;
- positions.push([i - shift + len, shift]);
- shiftOrigin += 1;
- eol += 1;
- return p6.slice(0, -1);
- }
- if (p7) {
- positions.push([i - shift + 1, shift - 1]);
- shift -= 1;
- shiftOrigin += 1;
- eol += 1;
- return " ";
- }
- if (i + eol === syllablePositions[syllableIndex]?.[1]) {
- const newCharLen = syllablePositions[syllableIndex][0] - 1;
- ++syllableIndex;
- for (let j = 1; j <= newCharLen; j++) {
- positions.push([i - (shift - j), shift - j]);
- }
- shift -= newCharLen;
- shiftOrigin += newCharLen;
- }
- return p8;
- }
- );
- positions.push([normalized.length, shift]);
- return [normalized, positions, hasDiacritics];
- }
- function getOriginalIndex(diffs, pos, len) {
- if (!diffs) {
- return [pos, len];
- }
- const start = pos;
- const end = pos + len;
- let i = (0, _ui_utils.binarySearchFirstItem)(
- diffs,
- (x) => x[0] >= start
- );
- if (diffs[i][0] > start) {
- --i;
- }
- let j = (0, _ui_utils.binarySearchFirstItem)(
- diffs,
- (x) => x[0] >= end,
- i
- );
- if (diffs[j][0] > end) {
- --j;
- }
- return [start + diffs[i][1], len + diffs[j][1] - diffs[i][1]];
- }
- class PDFFindController {
- #updateMatchesCountOnProgress = true;
- #visitedPagesCount = 0;
- constructor({
- linkService,
- eventBus,
- updateMatchesCountOnProgress = true,
- }) {
- this._linkService = linkService;
- this._eventBus = eventBus;
- this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress;
- this.#reset();
- eventBus._on("find", this.#onFind.bind(this));
- eventBus._on("findbarclose", this.#onFindBarClose.bind(this));
- }
- get highlightMatches() {
- return this._highlightMatches;
- }
- get pageMatches() {
- return this._pageMatches;
- }
- get pageMatchesLength() {
- return this._pageMatchesLength;
- }
- get selected() {
- return this._selected;
- }
- get state() {
- return this._state;
- }
- setDocument(pdfDocument) {
- if (this._pdfDocument) {
- this.#reset();
- }
- if (!pdfDocument) {
- return;
- }
- this._pdfDocument = pdfDocument;
- this._firstPageCapability.resolve();
- }
- #onFind(state) {
- if (!state) {
- return;
- }
- const pdfDocument = this._pdfDocument;
- const { type } = state;
- if (this._state === null || this.#shouldDirtyMatch(state)) {
- this._dirtyMatch = true;
- }
- this._state = state;
- if (type !== "highlightallchange") {
- this.#updateUIState(FindState.PENDING);
- }
- this._firstPageCapability.promise.then(() => {
- if (
- !this._pdfDocument ||
- (pdfDocument && this._pdfDocument !== pdfDocument)
- ) {
- return;
- }
- this.#extractText();
- const findbarClosed = !this._highlightMatches;
- const pendingTimeout = !!this._findTimeout;
- if (this._findTimeout) {
- clearTimeout(this._findTimeout);
- this._findTimeout = null;
- }
- if (!type) {
- this._findTimeout = setTimeout(() => {
- this.#nextMatch();
- this._findTimeout = null;
- }, FIND_TIMEOUT);
- } else if (this._dirtyMatch) {
- this.#nextMatch();
- } else if (type === "again") {
- this.#nextMatch();
- if (findbarClosed && this._state.highlightAll) {
- this.#updateAllPages();
- }
- } else if (type === "highlightallchange") {
- if (pendingTimeout) {
- this.#nextMatch();
- } else {
- this._highlightMatches = true;
- }
- this.#updateAllPages();
- } else {
- this.#nextMatch();
- }
- });
- }
- scrollMatchIntoView({
- element = null,
- selectedLeft = 0,
- pageIndex = -1,
- matchIndex = -1,
- }) {
- if (!this._scrollMatches || !element) {
- return;
- } else if (
- matchIndex === -1 ||
- matchIndex !== this._selected.matchIdx
- ) {
- return;
- } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
- return;
- }
- this._scrollMatches = false;
- const spot = {
- top: MATCH_SCROLL_OFFSET_TOP,
- left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT,
- };
- (0, _ui_utils.scrollIntoView)(element, spot, true);
- }
- #reset() {
- this._highlightMatches = false;
- this._scrollMatches = false;
- this._pdfDocument = null;
- this._pageMatches = [];
- this._pageMatchesLength = [];
- this.#visitedPagesCount = 0;
- this._state = null;
- this._selected = {
- pageIdx: -1,
- matchIdx: -1,
- };
- this._offset = {
- pageIdx: null,
- matchIdx: null,
- wrapped: false,
- };
- this._extractTextPromises = [];
- this._pageContents = [];
- this._pageDiffs = [];
- this._hasDiacritics = [];
- this._matchesCountTotal = 0;
- this._pagesToSearch = null;
- this._pendingFindMatches = new Set();
- this._resumePageIdx = null;
- this._dirtyMatch = false;
- clearTimeout(this._findTimeout);
- this._findTimeout = null;
- this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
- }
- get #query() {
- if (this._state.query !== this._rawQuery) {
- this._rawQuery = this._state.query;
- [this._normalizedQuery] = normalize(this._state.query);
- }
- return this._normalizedQuery;
- }
- #shouldDirtyMatch(state) {
- if (state.query !== this._state.query) {
- return true;
- }
- switch (state.type) {
- case "again":
- const pageNumber = this._selected.pageIdx + 1;
- const linkService = this._linkService;
- if (
- pageNumber >= 1 &&
- pageNumber <= linkService.pagesCount &&
- pageNumber !== linkService.page &&
- !linkService.isPageVisible(pageNumber)
- ) {
- return true;
- }
- return false;
- case "highlightallchange":
- return false;
- }
- return true;
- }
- #isEntireWord(content, startIdx, length) {
- let match = content
- .slice(0, startIdx)
- .match(NOT_DIACRITIC_FROM_END_REG_EXP);
- if (match) {
- const first = content.charCodeAt(startIdx);
- const limit = match[1].charCodeAt(0);
- if (
- (0, _pdf_find_utils.getCharacterType)(first) ===
- (0, _pdf_find_utils.getCharacterType)(limit)
- ) {
- return false;
- }
- }
- match = content
- .slice(startIdx + length)
- .match(NOT_DIACRITIC_FROM_START_REG_EXP);
- if (match) {
- const last = content.charCodeAt(startIdx + length - 1);
- const limit = match[1].charCodeAt(0);
- if (
- (0, _pdf_find_utils.getCharacterType)(last) ===
- (0, _pdf_find_utils.getCharacterType)(limit)
- ) {
- return false;
- }
- }
- return true;
- }
- #calculateRegExpMatch(query, entireWord, pageIndex, pageContent) {
- const matches = (this._pageMatches[pageIndex] = []);
- const matchesLength = (this._pageMatchesLength[pageIndex] = []);
- if (!query) {
- return;
- }
- const diffs = this._pageDiffs[pageIndex];
- let match;
- while ((match = query.exec(pageContent)) !== null) {
- if (
- entireWord &&
- !this.#isEntireWord(pageContent, match.index, match[0].length)
- ) {
- continue;
- }
- const [matchPos, matchLen] = getOriginalIndex(
- diffs,
- match.index,
- match[0].length
- );
- if (matchLen) {
- matches.push(matchPos);
- matchesLength.push(matchLen);
- }
- }
- }
- #convertToRegExpString(query, hasDiacritics) {
- const { matchDiacritics } = this._state;
- let isUnicode = false;
- query = query.replaceAll(
- SPECIAL_CHARS_REG_EXP,
- (match, p1, p2, p3, p4, p5) => {
- if (p1) {
- return `[ ]*\\${p1}[ ]*`;
- }
- if (p2) {
- return `[ ]*${p2}[ ]*`;
- }
- if (p3) {
- return "[ ]+";
- }
- if (matchDiacritics) {
- return p4 || p5;
- }
- if (p4) {
- return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : "";
- }
- if (hasDiacritics) {
- isUnicode = true;
- return `${p5}\\p{M}*`;
- }
- return p5;
- }
- );
- const trailingSpaces = "[ ]*";
- if (query.endsWith(trailingSpaces)) {
- query = query.slice(0, query.length - trailingSpaces.length);
- }
- if (matchDiacritics) {
- if (hasDiacritics) {
- DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(
- ...DIACRITICS_EXCEPTION
- );
- isUnicode = true;
- query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`;
- }
- }
- return [isUnicode, query];
- }
- #calculateMatch(pageIndex) {
- let query = this.#query;
- if (!query) {
- return;
- }
- const { caseSensitive, entireWord, phraseSearch } = this._state;
- const pageContent = this._pageContents[pageIndex];
- const hasDiacritics = this._hasDiacritics[pageIndex];
- let isUnicode = false;
- if (phraseSearch) {
- [isUnicode, query] = this.#convertToRegExpString(
- query,
- hasDiacritics
- );
- } else {
- const match = query.match(/\S+/g);
- if (match) {
- query = match
- .sort()
- .reverse()
- .map((q) => {
- const [isUnicodePart, queryPart] =
- this.#convertToRegExpString(q, hasDiacritics);
- isUnicode ||= isUnicodePart;
- return `(${queryPart})`;
- })
- .join("|");
- }
- }
- const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`;
- query = query ? new RegExp(query, flags) : null;
- this.#calculateRegExpMatch(query, entireWord, pageIndex, pageContent);
- if (this._state.highlightAll) {
- this.#updatePage(pageIndex);
- }
- if (this._resumePageIdx === pageIndex) {
- this._resumePageIdx = null;
- this.#nextPageMatch();
- }
- const pageMatchesCount = this._pageMatches[pageIndex].length;
- this._matchesCountTotal += pageMatchesCount;
- if (this.#updateMatchesCountOnProgress) {
- if (pageMatchesCount > 0) {
- this.#updateUIResultsCount();
- }
- } else if (
- ++this.#visitedPagesCount === this._linkService.pagesCount
- ) {
- this.#updateUIResultsCount();
- }
- }
- #extractText() {
- if (this._extractTextPromises.length > 0) {
- return;
- }
- let promise = Promise.resolve();
- for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
- const extractTextCapability = (0,
- _pdfjsLib.createPromiseCapability)();
- this._extractTextPromises[i] = extractTextCapability.promise;
- promise = promise.then(() => {
- return this._pdfDocument
- .getPage(i + 1)
- .then((pdfPage) => {
- return pdfPage.getTextContent();
- })
- .then(
- (textContent) => {
- const strBuf = [];
- for (const textItem of textContent.items) {
- strBuf.push(textItem.str);
- if (textItem.hasEOL) {
- strBuf.push("\n");
- }
- }
- [
- this._pageContents[i],
- this._pageDiffs[i],
- this._hasDiacritics[i],
- ] = normalize(strBuf.join(""));
- extractTextCapability.resolve();
- },
- (reason) => {
- console.error(
- `Unable to get text content for page ${i + 1}`,
- reason
- );
- this._pageContents[i] = "";
- this._pageDiffs[i] = null;
- this._hasDiacritics[i] = false;
- extractTextCapability.resolve();
- }
- );
- });
- }
- }
- #updatePage(index) {
- if (this._scrollMatches && this._selected.pageIdx === index) {
- this._linkService.page = index + 1;
- }
- this._eventBus.dispatch("updatetextlayermatches", {
- source: this,
- pageIndex: index,
- });
- }
- #updateAllPages() {
- this._eventBus.dispatch("updatetextlayermatches", {
- source: this,
- pageIndex: -1,
- });
- }
- #nextMatch() {
- const previous = this._state.findPrevious;
- const currentPageIndex = this._linkService.page - 1;
- const numPages = this._linkService.pagesCount;
- this._highlightMatches = true;
- if (this._dirtyMatch) {
- this._dirtyMatch = false;
- this._selected.pageIdx = this._selected.matchIdx = -1;
- this._offset.pageIdx = currentPageIndex;
- this._offset.matchIdx = null;
- this._offset.wrapped = false;
- this._resumePageIdx = null;
- this._pageMatches.length = 0;
- this._pageMatchesLength.length = 0;
- this.#visitedPagesCount = 0;
- this._matchesCountTotal = 0;
- this.#updateAllPages();
- for (let i = 0; i < numPages; i++) {
- if (this._pendingFindMatches.has(i)) {
- continue;
- }
- this._pendingFindMatches.add(i);
- this._extractTextPromises[i].then(() => {
- this._pendingFindMatches.delete(i);
- this.#calculateMatch(i);
- });
- }
- }
- if (!this.#query) {
- this.#updateUIState(FindState.FOUND);
- return;
- }
- if (this._resumePageIdx) {
- return;
- }
- const offset = this._offset;
- this._pagesToSearch = numPages;
- if (offset.matchIdx !== null) {
- const numPageMatches = this._pageMatches[offset.pageIdx].length;
- if (
- (!previous && offset.matchIdx + 1 < numPageMatches) ||
- (previous && offset.matchIdx > 0)
- ) {
- offset.matchIdx = previous
- ? offset.matchIdx - 1
- : offset.matchIdx + 1;
- this.#updateMatch(true);
- return;
- }
- this.#advanceOffsetPage(previous);
- }
- this.#nextPageMatch();
- }
- #matchesReady(matches) {
- const offset = this._offset;
- const numMatches = matches.length;
- const previous = this._state.findPrevious;
- if (numMatches) {
- offset.matchIdx = previous ? numMatches - 1 : 0;
- this.#updateMatch(true);
- return true;
- }
- this.#advanceOffsetPage(previous);
- if (offset.wrapped) {
- offset.matchIdx = null;
- if (this._pagesToSearch < 0) {
- this.#updateMatch(false);
- return true;
- }
- }
- return false;
- }
- #nextPageMatch() {
- if (this._resumePageIdx !== null) {
- console.error("There can only be one pending page.");
- }
- let matches = null;
- do {
- const pageIdx = this._offset.pageIdx;
- matches = this._pageMatches[pageIdx];
- if (!matches) {
- this._resumePageIdx = pageIdx;
- break;
- }
- } while (!this.#matchesReady(matches));
- }
- #advanceOffsetPage(previous) {
- const offset = this._offset;
- const numPages = this._linkService.pagesCount;
- offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
- offset.matchIdx = null;
- this._pagesToSearch--;
- if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
- offset.pageIdx = previous ? numPages - 1 : 0;
- offset.wrapped = true;
- }
- }
- #updateMatch(found = false) {
- let state = FindState.NOT_FOUND;
- const wrapped = this._offset.wrapped;
- this._offset.wrapped = false;
- if (found) {
- const previousPage = this._selected.pageIdx;
- this._selected.pageIdx = this._offset.pageIdx;
- this._selected.matchIdx = this._offset.matchIdx;
- state = wrapped ? FindState.WRAPPED : FindState.FOUND;
- if (
- previousPage !== -1 &&
- previousPage !== this._selected.pageIdx
- ) {
- this.#updatePage(previousPage);
- }
- }
- this.#updateUIState(state, this._state.findPrevious);
- if (this._selected.pageIdx !== -1) {
- this._scrollMatches = true;
- this.#updatePage(this._selected.pageIdx);
- }
- }
- #onFindBarClose(evt) {
- const pdfDocument = this._pdfDocument;
- this._firstPageCapability.promise.then(() => {
- if (
- !this._pdfDocument ||
- (pdfDocument && this._pdfDocument !== pdfDocument)
- ) {
- return;
- }
- if (this._findTimeout) {
- clearTimeout(this._findTimeout);
- this._findTimeout = null;
- }
- if (this._resumePageIdx) {
- this._resumePageIdx = null;
- this._dirtyMatch = true;
- }
- this.#updateUIState(FindState.FOUND);
- this._highlightMatches = false;
- this.#updateAllPages();
- });
- }
- #requestMatchesCount() {
- const { pageIdx, matchIdx } = this._selected;
- let current = 0,
- total = this._matchesCountTotal;
- if (matchIdx !== -1) {
- for (let i = 0; i < pageIdx; i++) {
- current += this._pageMatches[i]?.length || 0;
- }
- current += matchIdx + 1;
- }
- if (current < 1 || current > total) {
- current = total = 0;
- }
- return {
- current,
- total,
- };
- }
- #updateUIResultsCount() {
- this._eventBus.dispatch("updatefindmatchescount", {
- source: this,
- matchesCount: this.#requestMatchesCount(),
- });
- }
- #updateUIState(state, previous = false) {
- if (
- !this.#updateMatchesCountOnProgress &&
- (this.#visitedPagesCount !== this._linkService.pagesCount ||
- state === FindState.PENDING)
- ) {
- return;
- }
- this._eventBus.dispatch("updatefindcontrolstate", {
- source: this,
- state,
- previous,
- matchesCount: this.#requestMatchesCount(),
- rawQuery: this._state?.query ?? null,
- });
- }
- }
- exports.PDFFindController = PDFFindController;
- /***/
- },
- /* 18 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.CharacterType = void 0;
- exports.getCharacterType = getCharacterType;
- const CharacterType = {
- SPACE: 0,
- ALPHA_LETTER: 1,
- PUNCT: 2,
- HAN_LETTER: 3,
- KATAKANA_LETTER: 4,
- HIRAGANA_LETTER: 5,
- HALFWIDTH_KATAKANA_LETTER: 6,
- THAI_LETTER: 7,
- };
- exports.CharacterType = CharacterType;
- function isAlphabeticalScript(charCode) {
- return charCode < 0x2e80;
- }
- function isAscii(charCode) {
- return (charCode & 0xff80) === 0;
- }
- function isAsciiAlpha(charCode) {
- return (
- (charCode >= 0x61 && charCode <= 0x7a) ||
- (charCode >= 0x41 && charCode <= 0x5a)
- );
- }
- function isAsciiDigit(charCode) {
- return charCode >= 0x30 && charCode <= 0x39;
- }
- function isAsciiSpace(charCode) {
- return (
- charCode === 0x20 ||
- charCode === 0x09 ||
- charCode === 0x0d ||
- charCode === 0x0a
- );
- }
- function isHan(charCode) {
- return (
- (charCode >= 0x3400 && charCode <= 0x9fff) ||
- (charCode >= 0xf900 && charCode <= 0xfaff)
- );
- }
- function isKatakana(charCode) {
- return charCode >= 0x30a0 && charCode <= 0x30ff;
- }
- function isHiragana(charCode) {
- return charCode >= 0x3040 && charCode <= 0x309f;
- }
- function isHalfwidthKatakana(charCode) {
- return charCode >= 0xff60 && charCode <= 0xff9f;
- }
- function isThai(charCode) {
- return (charCode & 0xff80) === 0x0e00;
- }
- function getCharacterType(charCode) {
- if (isAlphabeticalScript(charCode)) {
- if (isAscii(charCode)) {
- if (isAsciiSpace(charCode)) {
- return CharacterType.SPACE;
- } else if (
- isAsciiAlpha(charCode) ||
- isAsciiDigit(charCode) ||
- charCode === 0x5f
- ) {
- return CharacterType.ALPHA_LETTER;
- }
- return CharacterType.PUNCT;
- } else if (isThai(charCode)) {
- return CharacterType.THAI_LETTER;
- } else if (charCode === 0xa0) {
- return CharacterType.SPACE;
- }
- return CharacterType.ALPHA_LETTER;
- }
- if (isHan(charCode)) {
- return CharacterType.HAN_LETTER;
- } else if (isKatakana(charCode)) {
- return CharacterType.KATAKANA_LETTER;
- } else if (isHiragana(charCode)) {
- return CharacterType.HIRAGANA_LETTER;
- } else if (isHalfwidthKatakana(charCode)) {
- return CharacterType.HALFWIDTH_KATAKANA_LETTER;
- }
- return CharacterType.ALPHA_LETTER;
- }
- /***/
- },
- /* 19 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFHistory = void 0;
- exports.isDestArraysEqual = isDestArraysEqual;
- exports.isDestHashesEqual = isDestHashesEqual;
- var _ui_utils = __webpack_require__(3);
- var _event_utils = __webpack_require__(6);
- const HASH_CHANGE_TIMEOUT = 1000;
- const POSITION_UPDATED_THRESHOLD = 50;
- const UPDATE_VIEWAREA_TIMEOUT = 1000;
- function getCurrentHash() {
- return document.location.hash;
- }
- class PDFHistory {
- constructor({ linkService, eventBus }) {
- this.linkService = linkService;
- this.eventBus = eventBus;
- this._initialized = false;
- this._fingerprint = "";
- this.reset();
- this._boundEvents = null;
- this.eventBus._on("pagesinit", () => {
- this._isPagesLoaded = false;
- this.eventBus._on(
- "pagesloaded",
- (evt) => {
- this._isPagesLoaded = !!evt.pagesCount;
- },
- {
- once: true,
- }
- );
- });
- }
- initialize({ fingerprint, resetHistory = false, updateUrl = false }) {
- if (!fingerprint || typeof fingerprint !== "string") {
- console.error(
- 'PDFHistory.initialize: The "fingerprint" must be a non-empty string.'
- );
- return;
- }
- if (this._initialized) {
- this.reset();
- }
- const reInitialized =
- this._fingerprint !== "" && this._fingerprint !== fingerprint;
- this._fingerprint = fingerprint;
- this._updateUrl = updateUrl === true;
- this._initialized = true;
- this._bindEvents();
- const state = window.history.state;
- this._popStateInProgress = false;
- this._blockHashChange = 0;
- this._currentHash = getCurrentHash();
- this._numPositionUpdates = 0;
- this._uid = this._maxUid = 0;
- this._destination = null;
- this._position = null;
- if (!this._isValidState(state, true) || resetHistory) {
- const { hash, page, rotation } = this._parseCurrentHash(true);
- if (!hash || reInitialized || resetHistory) {
- this._pushOrReplaceState(null, true);
- return;
- }
- this._pushOrReplaceState(
- {
- hash,
- page,
- rotation,
- },
- true
- );
- return;
- }
- const destination = state.destination;
- this._updateInternalState(destination, state.uid, true);
- if (destination.rotation !== undefined) {
- this._initialRotation = destination.rotation;
- }
- if (destination.dest) {
- this._initialBookmark = JSON.stringify(destination.dest);
- this._destination.page = null;
- } else if (destination.hash) {
- this._initialBookmark = destination.hash;
- } else if (destination.page) {
- this._initialBookmark = `page=${destination.page}`;
- }
- }
- reset() {
- if (this._initialized) {
- this._pageHide();
- this._initialized = false;
- this._unbindEvents();
- }
- if (this._updateViewareaTimeout) {
- clearTimeout(this._updateViewareaTimeout);
- this._updateViewareaTimeout = null;
- }
- this._initialBookmark = null;
- this._initialRotation = null;
- }
- push({ namedDest = null, explicitDest, pageNumber }) {
- if (!this._initialized) {
- return;
- }
- if (namedDest && typeof namedDest !== "string") {
- console.error(
- "PDFHistory.push: " +
- `"${namedDest}" is not a valid namedDest parameter.`
- );
- return;
- } else if (!Array.isArray(explicitDest)) {
- console.error(
- "PDFHistory.push: " +
- `"${explicitDest}" is not a valid explicitDest parameter.`
- );
- return;
- } else if (!this._isValidPage(pageNumber)) {
- if (pageNumber !== null || this._destination) {
- console.error(
- "PDFHistory.push: " +
- `"${pageNumber}" is not a valid pageNumber parameter.`
- );
- return;
- }
- }
- const hash = namedDest || JSON.stringify(explicitDest);
- if (!hash) {
- return;
- }
- let forceReplace = false;
- if (
- this._destination &&
- (isDestHashesEqual(this._destination.hash, hash) ||
- isDestArraysEqual(this._destination.dest, explicitDest))
- ) {
- if (this._destination.page) {
- return;
- }
- forceReplace = true;
- }
- if (this._popStateInProgress && !forceReplace) {
- return;
- }
- this._pushOrReplaceState(
- {
- dest: explicitDest,
- hash,
- page: pageNumber,
- rotation: this.linkService.rotation,
- },
- forceReplace
- );
- if (!this._popStateInProgress) {
- this._popStateInProgress = true;
- Promise.resolve().then(() => {
- this._popStateInProgress = false;
- });
- }
- }
- pushPage(pageNumber) {
- if (!this._initialized) {
- return;
- }
- if (!this._isValidPage(pageNumber)) {
- console.error(
- `PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`
- );
- return;
- }
- if (this._destination?.page === pageNumber) {
- return;
- }
- if (this._popStateInProgress) {
- return;
- }
- this._pushOrReplaceState({
- dest: null,
- hash: `page=${pageNumber}`,
- page: pageNumber,
- rotation: this.linkService.rotation,
- });
- if (!this._popStateInProgress) {
- this._popStateInProgress = true;
- Promise.resolve().then(() => {
- this._popStateInProgress = false;
- });
- }
- }
- pushCurrentPosition() {
- if (!this._initialized || this._popStateInProgress) {
- return;
- }
- this._tryPushCurrentPosition();
- }
- back() {
- if (!this._initialized || this._popStateInProgress) {
- return;
- }
- const state = window.history.state;
- if (this._isValidState(state) && state.uid > 0) {
- window.history.back();
- }
- }
- forward() {
- if (!this._initialized || this._popStateInProgress) {
- return;
- }
- const state = window.history.state;
- if (this._isValidState(state) && state.uid < this._maxUid) {
- window.history.forward();
- }
- }
- get popStateInProgress() {
- return (
- this._initialized &&
- (this._popStateInProgress || this._blockHashChange > 0)
- );
- }
- get initialBookmark() {
- return this._initialized ? this._initialBookmark : null;
- }
- get initialRotation() {
- return this._initialized ? this._initialRotation : null;
- }
- _pushOrReplaceState(destination, forceReplace = false) {
- const shouldReplace = forceReplace || !this._destination;
- const newState = {
- fingerprint: this._fingerprint,
- uid: shouldReplace ? this._uid : this._uid + 1,
- destination,
- };
- this._updateInternalState(destination, newState.uid);
- let newUrl;
- if (this._updateUrl && destination?.hash) {
- const baseUrl = document.location.href.split("#")[0];
- if (!baseUrl.startsWith("file://")) {
- newUrl = `${baseUrl}#${destination.hash}`;
- }
- }
- if (shouldReplace) {
- window.history.replaceState(newState, "", newUrl);
- } else {
- window.history.pushState(newState, "", newUrl);
- }
- }
- _tryPushCurrentPosition(temporary = false) {
- if (!this._position) {
- return;
- }
- let position = this._position;
- if (temporary) {
- position = Object.assign(Object.create(null), this._position);
- position.temporary = true;
- }
- if (!this._destination) {
- this._pushOrReplaceState(position);
- return;
- }
- if (this._destination.temporary) {
- this._pushOrReplaceState(position, true);
- return;
- }
- if (this._destination.hash === position.hash) {
- return;
- }
- if (
- !this._destination.page &&
- (POSITION_UPDATED_THRESHOLD <= 0 ||
- this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)
- ) {
- return;
- }
- let forceReplace = false;
- if (
- this._destination.page >= position.first &&
- this._destination.page <= position.page
- ) {
- if (
- this._destination.dest !== undefined ||
- !this._destination.first
- ) {
- return;
- }
- forceReplace = true;
- }
- this._pushOrReplaceState(position, forceReplace);
- }
- _isValidPage(val) {
- return (
- Number.isInteger(val) &&
- val > 0 &&
- val <= this.linkService.pagesCount
- );
- }
- _isValidState(state, checkReload = false) {
- if (!state) {
- return false;
- }
- if (state.fingerprint !== this._fingerprint) {
- if (checkReload) {
- if (
- typeof state.fingerprint !== "string" ||
- state.fingerprint.length !== this._fingerprint.length
- ) {
- return false;
- }
- const [perfEntry] = performance.getEntriesByType("navigation");
- if (perfEntry?.type !== "reload") {
- return false;
- }
- } else {
- return false;
- }
- }
- if (!Number.isInteger(state.uid) || state.uid < 0) {
- return false;
- }
- if (
- state.destination === null ||
- typeof state.destination !== "object"
- ) {
- return false;
- }
- return true;
- }
- _updateInternalState(destination, uid, removeTemporary = false) {
- if (this._updateViewareaTimeout) {
- clearTimeout(this._updateViewareaTimeout);
- this._updateViewareaTimeout = null;
- }
- if (removeTemporary && destination?.temporary) {
- delete destination.temporary;
- }
- this._destination = destination;
- this._uid = uid;
- this._maxUid = Math.max(this._maxUid, uid);
- this._numPositionUpdates = 0;
- }
- _parseCurrentHash(checkNameddest = false) {
- const hash = unescape(getCurrentHash()).substring(1);
- const params = (0, _ui_utils.parseQueryString)(hash);
- const nameddest = params.get("nameddest") || "";
- let page = params.get("page") | 0;
- if (
- !this._isValidPage(page) ||
- (checkNameddest && nameddest.length > 0)
- ) {
- page = null;
- }
- return {
- hash,
- page,
- rotation: this.linkService.rotation,
- };
- }
- _updateViewarea({ location }) {
- if (this._updateViewareaTimeout) {
- clearTimeout(this._updateViewareaTimeout);
- this._updateViewareaTimeout = null;
- }
- this._position = {
- hash: location.pdfOpenParams.substring(1),
- page: this.linkService.page,
- first: location.pageNumber,
- rotation: location.rotation,
- };
- if (this._popStateInProgress) {
- return;
- }
- if (
- POSITION_UPDATED_THRESHOLD > 0 &&
- this._isPagesLoaded &&
- this._destination &&
- !this._destination.page
- ) {
- this._numPositionUpdates++;
- }
- if (UPDATE_VIEWAREA_TIMEOUT > 0) {
- this._updateViewareaTimeout = setTimeout(() => {
- if (!this._popStateInProgress) {
- this._tryPushCurrentPosition(true);
- }
- this._updateViewareaTimeout = null;
- }, UPDATE_VIEWAREA_TIMEOUT);
- }
- }
- _popState({ state }) {
- const newHash = getCurrentHash(),
- hashChanged = this._currentHash !== newHash;
- this._currentHash = newHash;
- if (!state) {
- this._uid++;
- const { hash, page, rotation } = this._parseCurrentHash();
- this._pushOrReplaceState(
- {
- hash,
- page,
- rotation,
- },
- true
- );
- return;
- }
- if (!this._isValidState(state)) {
- return;
- }
- this._popStateInProgress = true;
- if (hashChanged) {
- this._blockHashChange++;
- (0, _event_utils.waitOnEventOrTimeout)({
- target: window,
- name: "hashchange",
- delay: HASH_CHANGE_TIMEOUT,
- }).then(() => {
- this._blockHashChange--;
- });
- }
- const destination = state.destination;
- this._updateInternalState(destination, state.uid, true);
- if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
- this.linkService.rotation = destination.rotation;
- }
- if (destination.dest) {
- this.linkService.goToDestination(destination.dest);
- } else if (destination.hash) {
- this.linkService.setHash(destination.hash);
- } else if (destination.page) {
- this.linkService.page = destination.page;
- }
- Promise.resolve().then(() => {
- this._popStateInProgress = false;
- });
- }
- _pageHide() {
- if (!this._destination || this._destination.temporary) {
- this._tryPushCurrentPosition();
- }
- }
- _bindEvents() {
- if (this._boundEvents) {
- return;
- }
- this._boundEvents = {
- updateViewarea: this._updateViewarea.bind(this),
- popState: this._popState.bind(this),
- pageHide: this._pageHide.bind(this),
- };
- this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
- window.addEventListener("popstate", this._boundEvents.popState);
- window.addEventListener("pagehide", this._boundEvents.pageHide);
- }
- _unbindEvents() {
- if (!this._boundEvents) {
- return;
- }
- this.eventBus._off(
- "updateviewarea",
- this._boundEvents.updateViewarea
- );
- window.removeEventListener("popstate", this._boundEvents.popState);
- window.removeEventListener("pagehide", this._boundEvents.pageHide);
- this._boundEvents = null;
- }
- }
- exports.PDFHistory = PDFHistory;
- function isDestHashesEqual(destHash, pushHash) {
- if (typeof destHash !== "string" || typeof pushHash !== "string") {
- return false;
- }
- if (destHash === pushHash) {
- return true;
- }
- const nameddest = (0, _ui_utils.parseQueryString)(destHash).get(
- "nameddest"
- );
- if (nameddest === pushHash) {
- return true;
- }
- return false;
- }
- function isDestArraysEqual(firstDest, secondDest) {
- function isEntryEqual(first, second) {
- if (typeof first !== typeof second) {
- return false;
- }
- if (Array.isArray(first) || Array.isArray(second)) {
- return false;
- }
- if (first !== null && typeof first === "object" && second !== null) {
- if (Object.keys(first).length !== Object.keys(second).length) {
- return false;
- }
- for (const key in first) {
- if (!isEntryEqual(first[key], second[key])) {
- return false;
- }
- }
- return true;
- }
- return (
- first === second || (Number.isNaN(first) && Number.isNaN(second))
- );
- }
- if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
- return false;
- }
- if (firstDest.length !== secondDest.length) {
- return false;
- }
- for (let i = 0, ii = firstDest.length; i < ii; i++) {
- if (!isEntryEqual(firstDest[i], secondDest[i])) {
- return false;
- }
- }
- return true;
- }
- /***/
- },
- /* 20 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFLayerViewer = void 0;
- var _base_tree_viewer = __webpack_require__(12);
- class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer {
- constructor(options) {
- super(options);
- this.l10n = options.l10n;
- this.eventBus._on("optionalcontentconfigchanged", (evt) => {
- this.#updateLayers(evt.promise);
- });
- this.eventBus._on("resetlayers", () => {
- this.#updateLayers();
- });
- this.eventBus._on(
- "togglelayerstree",
- this._toggleAllTreeItems.bind(this)
- );
- }
- reset() {
- super.reset();
- this._optionalContentConfig = null;
- this._optionalContentHash = null;
- }
- _dispatchEvent(layersCount) {
- this.eventBus.dispatch("layersloaded", {
- source: this,
- layersCount,
- });
- }
- _bindLink(element, { groupId, input }) {
- const setVisibility = () => {
- this._optionalContentConfig.setVisibility(groupId, input.checked);
- this._optionalContentHash = this._optionalContentConfig.getHash();
- this.eventBus.dispatch("optionalcontentconfig", {
- source: this,
- promise: Promise.resolve(this._optionalContentConfig),
- });
- };
- element.onclick = (evt) => {
- if (evt.target === input) {
- setVisibility();
- return true;
- } else if (evt.target !== element) {
- return true;
- }
- input.checked = !input.checked;
- setVisibility();
- return false;
- };
- }
- async _setNestedName(element, { name = null }) {
- if (typeof name === "string") {
- element.textContent = this._normalizeTextContent(name);
- return;
- }
- element.textContent = await this.l10n.get("additional_layers");
- element.style.fontStyle = "italic";
- }
- _addToggleButton(div, { name = null }) {
- super._addToggleButton(div, name === null);
- }
- _toggleAllTreeItems() {
- if (!this._optionalContentConfig) {
- return;
- }
- super._toggleAllTreeItems();
- }
- render({ optionalContentConfig, pdfDocument }) {
- if (this._optionalContentConfig) {
- this.reset();
- }
- this._optionalContentConfig = optionalContentConfig || null;
- this._pdfDocument = pdfDocument || null;
- const groups = optionalContentConfig?.getOrder();
- if (!groups) {
- this._dispatchEvent(0);
- return;
- }
- this._optionalContentHash = optionalContentConfig.getHash();
- const fragment = document.createDocumentFragment(),
- queue = [
- {
- parent: fragment,
- groups,
- },
- ];
- let layersCount = 0,
- hasAnyNesting = false;
- while (queue.length > 0) {
- const levelData = queue.shift();
- for (const groupId of levelData.groups) {
- const div = document.createElement("div");
- div.className = "treeItem";
- const element = document.createElement("a");
- div.append(element);
- if (typeof groupId === "object") {
- hasAnyNesting = true;
- this._addToggleButton(div, groupId);
- this._setNestedName(element, groupId);
- const itemsDiv = document.createElement("div");
- itemsDiv.className = "treeItems";
- div.append(itemsDiv);
- queue.push({
- parent: itemsDiv,
- groups: groupId.order,
- });
- } else {
- const group = optionalContentConfig.getGroup(groupId);
- const input = document.createElement("input");
- this._bindLink(element, {
- groupId,
- input,
- });
- input.type = "checkbox";
- input.checked = group.visible;
- const label = document.createElement("label");
- label.textContent = this._normalizeTextContent(group.name);
- label.append(input);
- element.append(label);
- layersCount++;
- }
- levelData.parent.append(div);
- }
- }
- this._finishRendering(fragment, layersCount, hasAnyNesting);
- }
- async #updateLayers(promise = null) {
- if (!this._optionalContentConfig) {
- return;
- }
- const pdfDocument = this._pdfDocument;
- const optionalContentConfig = await (promise ||
- pdfDocument.getOptionalContentConfig());
- if (pdfDocument !== this._pdfDocument) {
- return;
- }
- if (promise) {
- if (optionalContentConfig.getHash() === this._optionalContentHash) {
- return;
- }
- } else {
- this.eventBus.dispatch("optionalcontentconfig", {
- source: this,
- promise: Promise.resolve(optionalContentConfig),
- });
- }
- this.render({
- optionalContentConfig,
- pdfDocument: this._pdfDocument,
- });
- }
- }
- exports.PDFLayerViewer = PDFLayerViewer;
- /***/
- },
- /* 21 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFOutlineViewer = void 0;
- var _base_tree_viewer = __webpack_require__(12);
- var _pdfjsLib = __webpack_require__(4);
- var _ui_utils = __webpack_require__(3);
- class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer {
- constructor(options) {
- super(options);
- this.linkService = options.linkService;
- this.downloadManager = options.downloadManager;
- this.eventBus._on(
- "toggleoutlinetree",
- this._toggleAllTreeItems.bind(this)
- );
- this.eventBus._on(
- "currentoutlineitem",
- this._currentOutlineItem.bind(this)
- );
- this.eventBus._on("pagechanging", (evt) => {
- this._currentPageNumber = evt.pageNumber;
- });
- this.eventBus._on("pagesloaded", (evt) => {
- this._isPagesLoaded = !!evt.pagesCount;
- if (
- this._currentOutlineItemCapability &&
- !this._currentOutlineItemCapability.settled
- ) {
- this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
- }
- });
- this.eventBus._on("sidebarviewchanged", (evt) => {
- this._sidebarView = evt.view;
- });
- }
- reset() {
- super.reset();
- this._outline = null;
- this._pageNumberToDestHashCapability = null;
- this._currentPageNumber = 1;
- this._isPagesLoaded = null;
- if (
- this._currentOutlineItemCapability &&
- !this._currentOutlineItemCapability.settled
- ) {
- this._currentOutlineItemCapability.resolve(false);
- }
- this._currentOutlineItemCapability = null;
- }
- _dispatchEvent(outlineCount) {
- this._currentOutlineItemCapability = (0,
- _pdfjsLib.createPromiseCapability)();
- if (
- outlineCount === 0 ||
- this._pdfDocument?.loadingParams.disableAutoFetch
- ) {
- this._currentOutlineItemCapability.resolve(false);
- } else if (this._isPagesLoaded !== null) {
- this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
- }
- this.eventBus.dispatch("outlineloaded", {
- source: this,
- outlineCount,
- currentOutlineItemPromise:
- this._currentOutlineItemCapability.promise,
- });
- }
- _bindLink(
- element,
- { url, newWindow, action, attachment, dest, setOCGState }
- ) {
- const { linkService } = this;
- if (url) {
- linkService.addLinkAttributes(element, url, newWindow);
- return;
- }
- if (action) {
- element.href = linkService.getAnchorUrl("");
- element.onclick = () => {
- linkService.executeNamedAction(action);
- return false;
- };
- return;
- }
- if (attachment) {
- element.href = linkService.getAnchorUrl("");
- element.onclick = () => {
- this.downloadManager.openOrDownloadData(
- element,
- attachment.content,
- attachment.filename
- );
- return false;
- };
- return;
- }
- if (setOCGState) {
- element.href = linkService.getAnchorUrl("");
- element.onclick = () => {
- linkService.executeSetOCGState(setOCGState);
- return false;
- };
- return;
- }
- element.href = linkService.getDestinationHash(dest);
- element.onclick = (evt) => {
- this._updateCurrentTreeItem(evt.target.parentNode);
- if (dest) {
- linkService.goToDestination(dest);
- }
- return false;
- };
- }
- _setStyles(element, { bold, italic }) {
- if (bold) {
- element.style.fontWeight = "bold";
- }
- if (italic) {
- element.style.fontStyle = "italic";
- }
- }
- _addToggleButton(div, { count, items }) {
- let hidden = false;
- if (count < 0) {
- let totalCount = items.length;
- if (totalCount > 0) {
- const queue = [...items];
- while (queue.length > 0) {
- const { count: nestedCount, items: nestedItems } =
- queue.shift();
- if (nestedCount > 0 && nestedItems.length > 0) {
- totalCount += nestedItems.length;
- queue.push(...nestedItems);
- }
- }
- }
- if (Math.abs(count) === totalCount) {
- hidden = true;
- }
- }
- super._addToggleButton(div, hidden);
- }
- _toggleAllTreeItems() {
- if (!this._outline) {
- return;
- }
- super._toggleAllTreeItems();
- }
- render({ outline, pdfDocument }) {
- if (this._outline) {
- this.reset();
- }
- this._outline = outline || null;
- this._pdfDocument = pdfDocument || null;
- if (!outline) {
- this._dispatchEvent(0);
- return;
- }
- const fragment = document.createDocumentFragment();
- const queue = [
- {
- parent: fragment,
- items: outline,
- },
- ];
- let outlineCount = 0,
- hasAnyNesting = false;
- while (queue.length > 0) {
- const levelData = queue.shift();
- for (const item of levelData.items) {
- const div = document.createElement("div");
- div.className = "treeItem";
- const element = document.createElement("a");
- this._bindLink(element, item);
- this._setStyles(element, item);
- element.textContent = this._normalizeTextContent(item.title);
- div.append(element);
- if (item.items.length > 0) {
- hasAnyNesting = true;
- this._addToggleButton(div, item);
- const itemsDiv = document.createElement("div");
- itemsDiv.className = "treeItems";
- div.append(itemsDiv);
- queue.push({
- parent: itemsDiv,
- items: item.items,
- });
- }
- levelData.parent.append(div);
- outlineCount++;
- }
- }
- this._finishRendering(fragment, outlineCount, hasAnyNesting);
- }
- async _currentOutlineItem() {
- if (!this._isPagesLoaded) {
- throw new Error(
- "_currentOutlineItem: All pages have not been loaded."
- );
- }
- if (!this._outline || !this._pdfDocument) {
- return;
- }
- const pageNumberToDestHash = await this._getPageNumberToDestHash(
- this._pdfDocument
- );
- if (!pageNumberToDestHash) {
- return;
- }
- this._updateCurrentTreeItem(null);
- if (this._sidebarView !== _ui_utils.SidebarView.OUTLINE) {
- return;
- }
- for (let i = this._currentPageNumber; i > 0; i--) {
- const destHash = pageNumberToDestHash.get(i);
- if (!destHash) {
- continue;
- }
- const linkElement = this.container.querySelector(
- `a[href="${destHash}"]`
- );
- if (!linkElement) {
- continue;
- }
- this._scrollToCurrentTreeItem(linkElement.parentNode);
- break;
- }
- }
- async _getPageNumberToDestHash(pdfDocument) {
- if (this._pageNumberToDestHashCapability) {
- return this._pageNumberToDestHashCapability.promise;
- }
- this._pageNumberToDestHashCapability = (0,
- _pdfjsLib.createPromiseCapability)();
- const pageNumberToDestHash = new Map(),
- pageNumberNesting = new Map();
- const queue = [
- {
- nesting: 0,
- items: this._outline,
- },
- ];
- while (queue.length > 0) {
- const levelData = queue.shift(),
- currentNesting = levelData.nesting;
- for (const { dest, items } of levelData.items) {
- let explicitDest, pageNumber;
- if (typeof dest === "string") {
- explicitDest = await pdfDocument.getDestination(dest);
- if (pdfDocument !== this._pdfDocument) {
- return null;
- }
- } else {
- explicitDest = dest;
- }
- if (Array.isArray(explicitDest)) {
- const [destRef] = explicitDest;
- if (typeof destRef === "object" && destRef !== null) {
- pageNumber = this.linkService._cachedPageNumber(destRef);
- if (!pageNumber) {
- try {
- pageNumber =
- (await pdfDocument.getPageIndex(destRef)) + 1;
- if (pdfDocument !== this._pdfDocument) {
- return null;
- }
- this.linkService.cachePageRef(pageNumber, destRef);
- } catch (ex) {}
- }
- } else if (Number.isInteger(destRef)) {
- pageNumber = destRef + 1;
- }
- if (
- Number.isInteger(pageNumber) &&
- (!pageNumberToDestHash.has(pageNumber) ||
- currentNesting > pageNumberNesting.get(pageNumber))
- ) {
- const destHash = this.linkService.getDestinationHash(dest);
- pageNumberToDestHash.set(pageNumber, destHash);
- pageNumberNesting.set(pageNumber, currentNesting);
- }
- }
- if (items.length > 0) {
- queue.push({
- nesting: currentNesting + 1,
- items,
- });
- }
- }
- }
- this._pageNumberToDestHashCapability.resolve(
- pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null
- );
- return this._pageNumberToDestHashCapability.promise;
- }
- }
- exports.PDFOutlineViewer = PDFOutlineViewer;
- /***/
- },
- /* 22 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFPresentationMode = void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdfjsLib = __webpack_require__(4);
- const DELAY_BEFORE_HIDING_CONTROLS = 3000;
- const ACTIVE_SELECTOR = "pdfPresentationMode";
- const CONTROLS_SELECTOR = "pdfPresentationModeControls";
- const MOUSE_SCROLL_COOLDOWN_TIME = 50;
- const PAGE_SWITCH_THRESHOLD = 0.1;
- const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
- const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
- class PDFPresentationMode {
- #state = _ui_utils.PresentationModeState.UNKNOWN;
- #args = null;
- constructor({ container, pdfViewer, eventBus }) {
- this.container = container;
- this.pdfViewer = pdfViewer;
- this.eventBus = eventBus;
- this.contextMenuOpen = false;
- this.mouseScrollTimeStamp = 0;
- this.mouseScrollDelta = 0;
- this.touchSwipeState = null;
- }
- async request() {
- const { container, pdfViewer } = this;
- if (
- this.active ||
- !pdfViewer.pagesCount ||
- !container.requestFullscreen
- ) {
- return false;
- }
- this.#addFullscreenChangeListeners();
- this.#notifyStateChange(_ui_utils.PresentationModeState.CHANGING);
- const promise = container.requestFullscreen();
- this.#args = {
- pageNumber: pdfViewer.currentPageNumber,
- scaleValue: pdfViewer.currentScaleValue,
- scrollMode: pdfViewer.scrollMode,
- spreadMode: null,
- annotationEditorMode: null,
- };
- if (
- pdfViewer.spreadMode !== _ui_utils.SpreadMode.NONE &&
- !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)
- ) {
- console.warn(
- "Ignoring Spread modes when entering PresentationMode, " +
- "since the document may contain varying page sizes."
- );
- this.#args.spreadMode = pdfViewer.spreadMode;
- }
- if (
- pdfViewer.annotationEditorMode !==
- _pdfjsLib.AnnotationEditorType.DISABLE
- ) {
- this.#args.annotationEditorMode = pdfViewer.annotationEditorMode;
- }
- try {
- await promise;
- pdfViewer.focus();
- return true;
- } catch (reason) {
- this.#removeFullscreenChangeListeners();
- this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL);
- }
- return false;
- }
- get active() {
- return (
- this.#state === _ui_utils.PresentationModeState.CHANGING ||
- this.#state === _ui_utils.PresentationModeState.FULLSCREEN
- );
- }
- #mouseWheel(evt) {
- if (!this.active) {
- return;
- }
- evt.preventDefault();
- const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
- const currentTime = Date.now();
- const storedTime = this.mouseScrollTimeStamp;
- if (
- currentTime > storedTime &&
- currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME
- ) {
- return;
- }
- if (
- (this.mouseScrollDelta > 0 && delta < 0) ||
- (this.mouseScrollDelta < 0 && delta > 0)
- ) {
- this.#resetMouseScrollState();
- }
- this.mouseScrollDelta += delta;
- if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
- const totalDelta = this.mouseScrollDelta;
- this.#resetMouseScrollState();
- const success =
- totalDelta > 0
- ? this.pdfViewer.previousPage()
- : this.pdfViewer.nextPage();
- if (success) {
- this.mouseScrollTimeStamp = currentTime;
- }
- }
- }
- #notifyStateChange(state) {
- this.#state = state;
- this.eventBus.dispatch("presentationmodechanged", {
- source: this,
- state,
- });
- }
- #enter() {
- this.#notifyStateChange(_ui_utils.PresentationModeState.FULLSCREEN);
- this.container.classList.add(ACTIVE_SELECTOR);
- setTimeout(() => {
- this.pdfViewer.scrollMode = _ui_utils.ScrollMode.PAGE;
- if (this.#args.spreadMode !== null) {
- this.pdfViewer.spreadMode = _ui_utils.SpreadMode.NONE;
- }
- this.pdfViewer.currentPageNumber = this.#args.pageNumber;
- this.pdfViewer.currentScaleValue = "page-fit";
- if (this.#args.annotationEditorMode !== null) {
- this.pdfViewer.annotationEditorMode =
- _pdfjsLib.AnnotationEditorType.NONE;
- }
- }, 0);
- this.#addWindowListeners();
- this.#showControls();
- this.contextMenuOpen = false;
- window.getSelection().removeAllRanges();
- }
- #exit() {
- const pageNumber = this.pdfViewer.currentPageNumber;
- this.container.classList.remove(ACTIVE_SELECTOR);
- setTimeout(() => {
- this.#removeFullscreenChangeListeners();
- this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL);
- this.pdfViewer.scrollMode = this.#args.scrollMode;
- if (this.#args.spreadMode !== null) {
- this.pdfViewer.spreadMode = this.#args.spreadMode;
- }
- this.pdfViewer.currentScaleValue = this.#args.scaleValue;
- this.pdfViewer.currentPageNumber = pageNumber;
- if (this.#args.annotationEditorMode !== null) {
- this.pdfViewer.annotationEditorMode =
- this.#args.annotationEditorMode;
- }
- this.#args = null;
- }, 0);
- this.#removeWindowListeners();
- this.#hideControls();
- this.#resetMouseScrollState();
- this.contextMenuOpen = false;
- }
- #mouseDown(evt) {
- if (this.contextMenuOpen) {
- this.contextMenuOpen = false;
- evt.preventDefault();
- return;
- }
- if (evt.button !== 0) {
- return;
- }
- if (
- evt.target.href &&
- evt.target.parentNode?.hasAttribute("data-internal-link")
- ) {
- return;
- }
- evt.preventDefault();
- if (evt.shiftKey) {
- this.pdfViewer.previousPage();
- } else {
- this.pdfViewer.nextPage();
- }
- }
- #contextMenu() {
- this.contextMenuOpen = true;
- }
- #showControls() {
- if (this.controlsTimeout) {
- clearTimeout(this.controlsTimeout);
- } else {
- this.container.classList.add(CONTROLS_SELECTOR);
- }
- this.controlsTimeout = setTimeout(() => {
- this.container.classList.remove(CONTROLS_SELECTOR);
- delete this.controlsTimeout;
- }, DELAY_BEFORE_HIDING_CONTROLS);
- }
- #hideControls() {
- if (!this.controlsTimeout) {
- return;
- }
- clearTimeout(this.controlsTimeout);
- this.container.classList.remove(CONTROLS_SELECTOR);
- delete this.controlsTimeout;
- }
- #resetMouseScrollState() {
- this.mouseScrollTimeStamp = 0;
- this.mouseScrollDelta = 0;
- }
- #touchSwipe(evt) {
- if (!this.active) {
- return;
- }
- if (evt.touches.length > 1) {
- this.touchSwipeState = null;
- return;
- }
- switch (evt.type) {
- case "touchstart":
- this.touchSwipeState = {
- startX: evt.touches[0].pageX,
- startY: evt.touches[0].pageY,
- endX: evt.touches[0].pageX,
- endY: evt.touches[0].pageY,
- };
- break;
- case "touchmove":
- if (this.touchSwipeState === null) {
- return;
- }
- this.touchSwipeState.endX = evt.touches[0].pageX;
- this.touchSwipeState.endY = evt.touches[0].pageY;
- evt.preventDefault();
- break;
- case "touchend":
- if (this.touchSwipeState === null) {
- return;
- }
- let delta = 0;
- const dx =
- this.touchSwipeState.endX - this.touchSwipeState.startX;
- const dy =
- this.touchSwipeState.endY - this.touchSwipeState.startY;
- const absAngle = Math.abs(Math.atan2(dy, dx));
- if (
- Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD &&
- (absAngle <= SWIPE_ANGLE_THRESHOLD ||
- absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)
- ) {
- delta = dx;
- } else if (
- Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD &&
- Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD
- ) {
- delta = dy;
- }
- if (delta > 0) {
- this.pdfViewer.previousPage();
- } else if (delta < 0) {
- this.pdfViewer.nextPage();
- }
- break;
- }
- }
- #addWindowListeners() {
- this.showControlsBind = this.#showControls.bind(this);
- this.mouseDownBind = this.#mouseDown.bind(this);
- this.mouseWheelBind = this.#mouseWheel.bind(this);
- this.resetMouseScrollStateBind =
- this.#resetMouseScrollState.bind(this);
- this.contextMenuBind = this.#contextMenu.bind(this);
- this.touchSwipeBind = this.#touchSwipe.bind(this);
- window.addEventListener("mousemove", this.showControlsBind);
- window.addEventListener("mousedown", this.mouseDownBind);
- window.addEventListener("wheel", this.mouseWheelBind, {
- passive: false,
- });
- window.addEventListener("keydown", this.resetMouseScrollStateBind);
- window.addEventListener("contextmenu", this.contextMenuBind);
- window.addEventListener("touchstart", this.touchSwipeBind);
- window.addEventListener("touchmove", this.touchSwipeBind);
- window.addEventListener("touchend", this.touchSwipeBind);
- }
- #removeWindowListeners() {
- window.removeEventListener("mousemove", this.showControlsBind);
- window.removeEventListener("mousedown", this.mouseDownBind);
- window.removeEventListener("wheel", this.mouseWheelBind, {
- passive: false,
- });
- window.removeEventListener("keydown", this.resetMouseScrollStateBind);
- window.removeEventListener("contextmenu", this.contextMenuBind);
- window.removeEventListener("touchstart", this.touchSwipeBind);
- window.removeEventListener("touchmove", this.touchSwipeBind);
- window.removeEventListener("touchend", this.touchSwipeBind);
- delete this.showControlsBind;
- delete this.mouseDownBind;
- delete this.mouseWheelBind;
- delete this.resetMouseScrollStateBind;
- delete this.contextMenuBind;
- delete this.touchSwipeBind;
- }
- #fullscreenChange() {
- if (document.fullscreenElement) {
- this.#enter();
- } else {
- this.#exit();
- }
- }
- #addFullscreenChangeListeners() {
- this.fullscreenChangeBind = this.#fullscreenChange.bind(this);
- window.addEventListener(
- "fullscreenchange",
- this.fullscreenChangeBind
- );
- }
- #removeFullscreenChangeListeners() {
- window.removeEventListener(
- "fullscreenchange",
- this.fullscreenChangeBind
- );
- delete this.fullscreenChangeBind;
- }
- }
- exports.PDFPresentationMode = PDFPresentationMode;
- /***/
- },
- /* 23 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFRenderingQueue = void 0;
- var _pdfjsLib = __webpack_require__(4);
- var _ui_utils = __webpack_require__(3);
- const CLEANUP_TIMEOUT = 30000;
- class PDFRenderingQueue {
- constructor() {
- this.pdfViewer = null;
- this.pdfThumbnailViewer = null;
- this.onIdle = null;
- this.highestPriorityPage = null;
- this.idleTimeout = null;
- this.printing = false;
- this.isThumbnailViewEnabled = false;
- }
- setViewer(pdfViewer) {
- this.pdfViewer = pdfViewer;
- }
- setThumbnailViewer(pdfThumbnailViewer) {
- this.pdfThumbnailViewer = pdfThumbnailViewer;
- }
- isHighestPriority(view) {
- return this.highestPriorityPage === view.renderingId;
- }
- hasViewer() {
- return !!this.pdfViewer;
- }
- renderHighestPriority(currentlyVisiblePages) {
- if (this.idleTimeout) {
- clearTimeout(this.idleTimeout);
- this.idleTimeout = null;
- }
- if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
- return;
- }
- if (
- this.isThumbnailViewEnabled &&
- this.pdfThumbnailViewer?.forceRendering()
- ) {
- return;
- }
- if (this.printing) {
- return;
- }
- if (this.onIdle) {
- this.idleTimeout = setTimeout(
- this.onIdle.bind(this),
- CLEANUP_TIMEOUT
- );
- }
- }
- getHighestPriority(
- visible,
- views,
- scrolledDown,
- preRenderExtra = false
- ) {
- const visibleViews = visible.views,
- numVisible = visibleViews.length;
- if (numVisible === 0) {
- return null;
- }
- for (let i = 0; i < numVisible; i++) {
- const view = visibleViews[i].view;
- if (!this.isViewFinished(view)) {
- return view;
- }
- }
- const firstId = visible.first.id,
- lastId = visible.last.id;
- if (lastId - firstId + 1 > numVisible) {
- const visibleIds = visible.ids;
- for (let i = 1, ii = lastId - firstId; i < ii; i++) {
- const holeId = scrolledDown ? firstId + i : lastId - i;
- if (visibleIds.has(holeId)) {
- continue;
- }
- const holeView = views[holeId - 1];
- if (!this.isViewFinished(holeView)) {
- return holeView;
- }
- }
- }
- let preRenderIndex = scrolledDown ? lastId : firstId - 2;
- let preRenderView = views[preRenderIndex];
- if (preRenderView && !this.isViewFinished(preRenderView)) {
- return preRenderView;
- }
- if (preRenderExtra) {
- preRenderIndex += scrolledDown ? 1 : -1;
- preRenderView = views[preRenderIndex];
- if (preRenderView && !this.isViewFinished(preRenderView)) {
- return preRenderView;
- }
- }
- return null;
- }
- isViewFinished(view) {
- return view.renderingState === _ui_utils.RenderingStates.FINISHED;
- }
- renderView(view) {
- switch (view.renderingState) {
- case _ui_utils.RenderingStates.FINISHED:
- return false;
- case _ui_utils.RenderingStates.PAUSED:
- this.highestPriorityPage = view.renderingId;
- view.resume();
- break;
- case _ui_utils.RenderingStates.RUNNING:
- this.highestPriorityPage = view.renderingId;
- break;
- case _ui_utils.RenderingStates.INITIAL:
- this.highestPriorityPage = view.renderingId;
- view
- .draw()
- .finally(() => {
- this.renderHighestPriority();
- })
- .catch((reason) => {
- if (reason instanceof _pdfjsLib.RenderingCancelledException) {
- return;
- }
- console.error(`renderView: "${reason}"`);
- });
- break;
- }
- return true;
- }
- }
- exports.PDFRenderingQueue = PDFRenderingQueue;
- /***/
- },
- /* 24 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFScriptingManager = void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdfjsLib = __webpack_require__(4);
- class PDFScriptingManager {
- constructor({
- eventBus,
- sandboxBundleSrc = null,
- scriptingFactory = null,
- docPropertiesLookup = null,
- }) {
- this._pdfDocument = null;
- this._pdfViewer = null;
- this._closeCapability = null;
- this._destroyCapability = null;
- this._scripting = null;
- this._ready = false;
- this._eventBus = eventBus;
- this._sandboxBundleSrc = sandboxBundleSrc;
- this._scriptingFactory = scriptingFactory;
- this._docPropertiesLookup = docPropertiesLookup;
- }
- setViewer(pdfViewer) {
- this._pdfViewer = pdfViewer;
- }
- async setDocument(pdfDocument) {
- if (this._pdfDocument) {
- await this._destroyScripting();
- }
- this._pdfDocument = pdfDocument;
- if (!pdfDocument) {
- return;
- }
- const [objects, calculationOrder, docActions] = await Promise.all([
- pdfDocument.getFieldObjects(),
- pdfDocument.getCalculationOrderIds(),
- pdfDocument.getJSActions(),
- ]);
- if (!objects && !docActions) {
- await this._destroyScripting();
- return;
- }
- if (pdfDocument !== this._pdfDocument) {
- return;
- }
- try {
- this._scripting = this._createScripting();
- } catch (error) {
- console.error(
- `PDFScriptingManager.setDocument: "${error?.message}".`
- );
- await this._destroyScripting();
- return;
- }
- this._internalEvents.set("updatefromsandbox", (event) => {
- if (event?.source !== window) {
- return;
- }
- this._updateFromSandbox(event.detail);
- });
- this._internalEvents.set("dispatcheventinsandbox", (event) => {
- this._scripting?.dispatchEventInSandbox(event.detail);
- });
- this._internalEvents.set(
- "pagechanging",
- ({ pageNumber, previous }) => {
- if (pageNumber === previous) {
- return;
- }
- this._dispatchPageClose(previous);
- this._dispatchPageOpen(pageNumber);
- }
- );
- this._internalEvents.set("pagerendered", ({ pageNumber }) => {
- if (!this._pageOpenPending.has(pageNumber)) {
- return;
- }
- if (pageNumber !== this._pdfViewer.currentPageNumber) {
- return;
- }
- this._dispatchPageOpen(pageNumber);
- });
- this._internalEvents.set("pagesdestroy", async (event) => {
- await this._dispatchPageClose(this._pdfViewer.currentPageNumber);
- await this._scripting?.dispatchEventInSandbox({
- id: "doc",
- name: "WillClose",
- });
- this._closeCapability?.resolve();
- });
- for (const [name, listener] of this._internalEvents) {
- this._eventBus._on(name, listener);
- }
- try {
- const docProperties = await this._getDocProperties();
- if (pdfDocument !== this._pdfDocument) {
- return;
- }
- await this._scripting.createSandbox({
- objects,
- calculationOrder,
- appInfo: {
- platform: navigator.platform,
- language: navigator.language,
- },
- docInfo: {
- ...docProperties,
- actions: docActions,
- },
- });
- this._eventBus.dispatch("sandboxcreated", {
- source: this,
- });
- } catch (error) {
- console.error(
- `PDFScriptingManager.setDocument: "${error?.message}".`
- );
- await this._destroyScripting();
- return;
- }
- await this._scripting?.dispatchEventInSandbox({
- id: "doc",
- name: "Open",
- });
- await this._dispatchPageOpen(this._pdfViewer.currentPageNumber, true);
- Promise.resolve().then(() => {
- if (pdfDocument === this._pdfDocument) {
- this._ready = true;
- }
- });
- }
- async dispatchWillSave(detail) {
- return this._scripting?.dispatchEventInSandbox({
- id: "doc",
- name: "WillSave",
- });
- }
- async dispatchDidSave(detail) {
- return this._scripting?.dispatchEventInSandbox({
- id: "doc",
- name: "DidSave",
- });
- }
- async dispatchWillPrint(detail) {
- return this._scripting?.dispatchEventInSandbox({
- id: "doc",
- name: "WillPrint",
- });
- }
- async dispatchDidPrint(detail) {
- return this._scripting?.dispatchEventInSandbox({
- id: "doc",
- name: "DidPrint",
- });
- }
- get destroyPromise() {
- return this._destroyCapability?.promise || null;
- }
- get ready() {
- return this._ready;
- }
- get _internalEvents() {
- return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map());
- }
- get _pageOpenPending() {
- return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set());
- }
- get _visitedPages() {
- return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map());
- }
- async _updateFromSandbox(detail) {
- const isInPresentationMode =
- this._pdfViewer.isInPresentationMode ||
- this._pdfViewer.isChangingPresentationMode;
- const { id, siblings, command, value } = detail;
- if (!id) {
- switch (command) {
- case "clear":
- console.clear();
- break;
- case "error":
- console.error(value);
- break;
- case "layout": {
- if (isInPresentationMode) {
- return;
- }
- const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(value);
- this._pdfViewer.spreadMode = modes.spreadMode;
- break;
- }
- case "page-num":
- this._pdfViewer.currentPageNumber = value + 1;
- break;
- case "print":
- await this._pdfViewer.pagesPromise;
- this._eventBus.dispatch("print", {
- source: this,
- });
- break;
- case "println":
- console.log(value);
- break;
- case "zoom":
- if (isInPresentationMode) {
- return;
- }
- this._pdfViewer.currentScaleValue = value;
- break;
- case "SaveAs":
- this._eventBus.dispatch("download", {
- source: this,
- });
- break;
- case "FirstPage":
- this._pdfViewer.currentPageNumber = 1;
- break;
- case "LastPage":
- this._pdfViewer.currentPageNumber = this._pdfViewer.pagesCount;
- break;
- case "NextPage":
- this._pdfViewer.nextPage();
- break;
- case "PrevPage":
- this._pdfViewer.previousPage();
- break;
- case "ZoomViewIn":
- if (isInPresentationMode) {
- return;
- }
- this._pdfViewer.increaseScale();
- break;
- case "ZoomViewOut":
- if (isInPresentationMode) {
- return;
- }
- this._pdfViewer.decreaseScale();
- break;
- }
- return;
- }
- if (isInPresentationMode) {
- if (detail.focus) {
- return;
- }
- }
- delete detail.id;
- delete detail.siblings;
- const ids = siblings ? [id, ...siblings] : [id];
- for (const elementId of ids) {
- const element = document.querySelector(
- `[data-element-id="${elementId}"]`
- );
- if (element) {
- element.dispatchEvent(
- new CustomEvent("updatefromsandbox", {
- detail,
- })
- );
- } else {
- this._pdfDocument?.annotationStorage.setValue(elementId, detail);
- }
- }
- }
- async _dispatchPageOpen(pageNumber, initialize = false) {
- const pdfDocument = this._pdfDocument,
- visitedPages = this._visitedPages;
- if (initialize) {
- this._closeCapability = (0, _pdfjsLib.createPromiseCapability)();
- }
- if (!this._closeCapability) {
- return;
- }
- const pageView = this._pdfViewer.getPageView(pageNumber - 1);
- if (pageView?.renderingState !== _ui_utils.RenderingStates.FINISHED) {
- this._pageOpenPending.add(pageNumber);
- return;
- }
- this._pageOpenPending.delete(pageNumber);
- const actionsPromise = (async () => {
- const actions = await (!visitedPages.has(pageNumber)
- ? pageView.pdfPage?.getJSActions()
- : null);
- if (pdfDocument !== this._pdfDocument) {
- return;
- }
- await this._scripting?.dispatchEventInSandbox({
- id: "page",
- name: "PageOpen",
- pageNumber,
- actions,
- });
- })();
- visitedPages.set(pageNumber, actionsPromise);
- }
- async _dispatchPageClose(pageNumber) {
- const pdfDocument = this._pdfDocument,
- visitedPages = this._visitedPages;
- if (!this._closeCapability) {
- return;
- }
- if (this._pageOpenPending.has(pageNumber)) {
- return;
- }
- const actionsPromise = visitedPages.get(pageNumber);
- if (!actionsPromise) {
- return;
- }
- visitedPages.set(pageNumber, null);
- await actionsPromise;
- if (pdfDocument !== this._pdfDocument) {
- return;
- }
- await this._scripting?.dispatchEventInSandbox({
- id: "page",
- name: "PageClose",
- pageNumber,
- });
- }
- async _getDocProperties() {
- if (this._docPropertiesLookup) {
- return this._docPropertiesLookup(this._pdfDocument);
- }
- throw new Error("_getDocProperties: Unable to lookup properties.");
- }
- _createScripting() {
- this._destroyCapability = (0, _pdfjsLib.createPromiseCapability)();
- if (this._scripting) {
- throw new Error("_createScripting: Scripting already exists.");
- }
- if (this._scriptingFactory) {
- return this._scriptingFactory.createScripting({
- sandboxBundleSrc: this._sandboxBundleSrc,
- });
- }
- throw new Error("_createScripting: Cannot create scripting.");
- }
- async _destroyScripting() {
- if (!this._scripting) {
- this._pdfDocument = null;
- this._destroyCapability?.resolve();
- return;
- }
- if (this._closeCapability) {
- await Promise.race([
- this._closeCapability.promise,
- new Promise((resolve) => {
- setTimeout(resolve, 1000);
- }),
- ]).catch((reason) => {});
- this._closeCapability = null;
- }
- this._pdfDocument = null;
- try {
- await this._scripting.destroySandbox();
- } catch (ex) {}
- for (const [name, listener] of this._internalEvents) {
- this._eventBus._off(name, listener);
- }
- this._internalEvents.clear();
- this._pageOpenPending.clear();
- this._visitedPages.clear();
- this._scripting = null;
- this._ready = false;
- this._destroyCapability?.resolve();
- }
- }
- exports.PDFScriptingManager = PDFScriptingManager;
- /***/
- },
- /* 25 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFSidebar = void 0;
- var _ui_utils = __webpack_require__(3);
- const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
- class PDFSidebar {
- constructor({
- elements,
- pdfViewer,
- pdfThumbnailViewer,
- eventBus,
- l10n,
- }) {
- this.isOpen = false;
- this.active = _ui_utils.SidebarView.THUMBS;
- this.isInitialViewSet = false;
- this.isInitialEventDispatched = false;
- this.onToggled = null;
- this.pdfViewer = pdfViewer;
- this.pdfThumbnailViewer = pdfThumbnailViewer;
- this.outerContainer = elements.outerContainer;
- this.sidebarContainer = elements.sidebarContainer;
- this.toggleButton = elements.toggleButton;
- this.thumbnailButton = elements.thumbnailButton;
- this.outlineButton = elements.outlineButton;
- this.attachmentsButton = elements.attachmentsButton;
- this.layersButton = elements.layersButton;
- this.thumbnailView = elements.thumbnailView;
- this.outlineView = elements.outlineView;
- this.attachmentsView = elements.attachmentsView;
- this.layersView = elements.layersView;
- this._outlineOptionsContainer = elements.outlineOptionsContainer;
- this._currentOutlineItemButton = elements.currentOutlineItemButton;
- this.eventBus = eventBus;
- this.l10n = l10n;
- this.#addEventListeners();
- }
- reset() {
- this.isInitialViewSet = false;
- this.isInitialEventDispatched = false;
- this.#hideUINotification(true);
- this.switchView(_ui_utils.SidebarView.THUMBS);
- this.outlineButton.disabled = false;
- this.attachmentsButton.disabled = false;
- this.layersButton.disabled = false;
- this._currentOutlineItemButton.disabled = true;
- }
- get visibleView() {
- return this.isOpen ? this.active : _ui_utils.SidebarView.NONE;
- }
- setInitialView(view = _ui_utils.SidebarView.NONE) {
- if (this.isInitialViewSet) {
- return;
- }
- this.isInitialViewSet = true;
- if (
- view === _ui_utils.SidebarView.NONE ||
- view === _ui_utils.SidebarView.UNKNOWN
- ) {
- this.#dispatchEvent();
- return;
- }
- this.switchView(view, true);
- if (!this.isInitialEventDispatched) {
- this.#dispatchEvent();
- }
- }
- switchView(view, forceOpen = false) {
- const isViewChanged = view !== this.active;
- let shouldForceRendering = false;
- switch (view) {
- case _ui_utils.SidebarView.NONE:
- if (this.isOpen) {
- this.close();
- }
- return;
- case _ui_utils.SidebarView.THUMBS:
- if (this.isOpen && isViewChanged) {
- shouldForceRendering = true;
- }
- break;
- case _ui_utils.SidebarView.OUTLINE:
- if (this.outlineButton.disabled) {
- return;
- }
- break;
- case _ui_utils.SidebarView.ATTACHMENTS:
- if (this.attachmentsButton.disabled) {
- return;
- }
- break;
- case _ui_utils.SidebarView.LAYERS:
- if (this.layersButton.disabled) {
- return;
- }
- break;
- default:
- console.error(
- `PDFSidebar.switchView: "${view}" is not a valid view.`
- );
- return;
- }
- this.active = view;
- const isThumbs = view === _ui_utils.SidebarView.THUMBS,
- isOutline = view === _ui_utils.SidebarView.OUTLINE,
- isAttachments = view === _ui_utils.SidebarView.ATTACHMENTS,
- isLayers = view === _ui_utils.SidebarView.LAYERS;
- this.thumbnailButton.classList.toggle("toggled", isThumbs);
- this.outlineButton.classList.toggle("toggled", isOutline);
- this.attachmentsButton.classList.toggle("toggled", isAttachments);
- this.layersButton.classList.toggle("toggled", isLayers);
- this.thumbnailButton.setAttribute("aria-checked", isThumbs);
- this.outlineButton.setAttribute("aria-checked", isOutline);
- this.attachmentsButton.setAttribute("aria-checked", isAttachments);
- this.layersButton.setAttribute("aria-checked", isLayers);
- this.thumbnailView.classList.toggle("hidden", !isThumbs);
- this.outlineView.classList.toggle("hidden", !isOutline);
- this.attachmentsView.classList.toggle("hidden", !isAttachments);
- this.layersView.classList.toggle("hidden", !isLayers);
- this._outlineOptionsContainer.classList.toggle("hidden", !isOutline);
- if (forceOpen && !this.isOpen) {
- this.open();
- return;
- }
- if (shouldForceRendering) {
- this.#updateThumbnailViewer();
- this.#forceRendering();
- }
- if (isViewChanged) {
- this.#dispatchEvent();
- }
- }
- open() {
- if (this.isOpen) {
- return;
- }
- this.isOpen = true;
- this.toggleButton.classList.add("toggled");
- this.toggleButton.setAttribute("aria-expanded", "true");
- this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
- if (this.active === _ui_utils.SidebarView.THUMBS) {
- this.#updateThumbnailViewer();
- }
- this.#forceRendering();
- this.#dispatchEvent();
- this.#hideUINotification();
- }
- close() {
- if (!this.isOpen) {
- return;
- }
- this.isOpen = false;
- this.toggleButton.classList.remove("toggled");
- this.toggleButton.setAttribute("aria-expanded", "false");
- this.outerContainer.classList.add("sidebarMoving");
- this.outerContainer.classList.remove("sidebarOpen");
- this.#forceRendering();
- this.#dispatchEvent();
- }
- toggle() {
- if (this.isOpen) {
- this.close();
- } else {
- this.open();
- }
- }
- #dispatchEvent() {
- if (this.isInitialViewSet && !this.isInitialEventDispatched) {
- this.isInitialEventDispatched = true;
- }
- this.eventBus.dispatch("sidebarviewchanged", {
- source: this,
- view: this.visibleView,
- });
- }
- #forceRendering() {
- if (this.onToggled) {
- this.onToggled();
- } else {
- this.pdfViewer.forceRendering();
- this.pdfThumbnailViewer.forceRendering();
- }
- }
- #updateThumbnailViewer() {
- const { pdfViewer, pdfThumbnailViewer } = this;
- const pagesCount = pdfViewer.pagesCount;
- for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
- const pageView = pdfViewer.getPageView(pageIndex);
- if (
- pageView?.renderingState === _ui_utils.RenderingStates.FINISHED
- ) {
- const thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
- thumbnailView.setImage(pageView);
- }
- }
- pdfThumbnailViewer.scrollThumbnailIntoView(
- pdfViewer.currentPageNumber
- );
- }
- #showUINotification() {
- this.toggleButton.setAttribute(
- "data-l10n-id",
- "toggle_sidebar_notification2"
- );
- this.l10n.translate(this.toggleButton);
- if (!this.isOpen) {
- this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
- }
- }
- #hideUINotification(reset = false) {
- if (this.isOpen || reset) {
- this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
- }
- if (reset) {
- this.toggleButton.setAttribute("data-l10n-id", "toggle_sidebar");
- this.l10n.translate(this.toggleButton);
- }
- }
- #addEventListeners() {
- this.sidebarContainer.addEventListener("transitionend", (evt) => {
- if (evt.target === this.sidebarContainer) {
- this.outerContainer.classList.remove("sidebarMoving");
- }
- });
- this.toggleButton.addEventListener("click", () => {
- this.toggle();
- });
- this.thumbnailButton.addEventListener("click", () => {
- this.switchView(_ui_utils.SidebarView.THUMBS);
- });
- this.outlineButton.addEventListener("click", () => {
- this.switchView(_ui_utils.SidebarView.OUTLINE);
- });
- this.outlineButton.addEventListener("dblclick", () => {
- this.eventBus.dispatch("toggleoutlinetree", {
- source: this,
- });
- });
- this.attachmentsButton.addEventListener("click", () => {
- this.switchView(_ui_utils.SidebarView.ATTACHMENTS);
- });
- this.layersButton.addEventListener("click", () => {
- this.switchView(_ui_utils.SidebarView.LAYERS);
- });
- this.layersButton.addEventListener("dblclick", () => {
- this.eventBus.dispatch("resetlayers", {
- source: this,
- });
- });
- this._currentOutlineItemButton.addEventListener("click", () => {
- this.eventBus.dispatch("currentoutlineitem", {
- source: this,
- });
- });
- const onTreeLoaded = (count, button, view) => {
- button.disabled = !count;
- if (count) {
- this.#showUINotification();
- } else if (this.active === view) {
- this.switchView(_ui_utils.SidebarView.THUMBS);
- }
- };
- this.eventBus._on("outlineloaded", (evt) => {
- onTreeLoaded(
- evt.outlineCount,
- this.outlineButton,
- _ui_utils.SidebarView.OUTLINE
- );
- evt.currentOutlineItemPromise.then((enabled) => {
- if (!this.isInitialViewSet) {
- return;
- }
- this._currentOutlineItemButton.disabled = !enabled;
- });
- });
- this.eventBus._on("attachmentsloaded", (evt) => {
- onTreeLoaded(
- evt.attachmentsCount,
- this.attachmentsButton,
- _ui_utils.SidebarView.ATTACHMENTS
- );
- });
- this.eventBus._on("layersloaded", (evt) => {
- onTreeLoaded(
- evt.layersCount,
- this.layersButton,
- _ui_utils.SidebarView.LAYERS
- );
- });
- this.eventBus._on("presentationmodechanged", (evt) => {
- if (
- evt.state === _ui_utils.PresentationModeState.NORMAL &&
- this.visibleView === _ui_utils.SidebarView.THUMBS
- ) {
- this.#updateThumbnailViewer();
- }
- });
- }
- }
- exports.PDFSidebar = PDFSidebar;
- /***/
- },
- /* 26 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFSidebarResizer = void 0;
- var _ui_utils = __webpack_require__(3);
- const SIDEBAR_WIDTH_VAR = "--sidebar-width";
- const SIDEBAR_MIN_WIDTH = 200;
- const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
- class PDFSidebarResizer {
- constructor(options, eventBus, l10n) {
- this.isRTL = false;
- this.sidebarOpen = false;
- this._width = null;
- this._outerContainerWidth = null;
- this._boundEvents = Object.create(null);
- this.outerContainer = options.outerContainer;
- this.resizer = options.resizer;
- this.eventBus = eventBus;
- l10n.getDirection().then((dir) => {
- this.isRTL = dir === "rtl";
- });
- this._addEventListeners();
- }
- get outerContainerWidth() {
- return (this._outerContainerWidth ||=
- this.outerContainer.clientWidth);
- }
- _updateWidth(width = 0) {
- const maxWidth = Math.floor(this.outerContainerWidth / 2);
- if (width > maxWidth) {
- width = maxWidth;
- }
- if (width < SIDEBAR_MIN_WIDTH) {
- width = SIDEBAR_MIN_WIDTH;
- }
- if (width === this._width) {
- return false;
- }
- this._width = width;
- _ui_utils.docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);
- return true;
- }
- _mouseMove(evt) {
- let width = evt.clientX;
- if (this.isRTL) {
- width = this.outerContainerWidth - width;
- }
- this._updateWidth(width);
- }
- _mouseUp(evt) {
- this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
- this.eventBus.dispatch("resize", {
- source: this,
- });
- const _boundEvents = this._boundEvents;
- window.removeEventListener("mousemove", _boundEvents.mouseMove);
- window.removeEventListener("mouseup", _boundEvents.mouseUp);
- }
- _addEventListeners() {
- const _boundEvents = this._boundEvents;
- _boundEvents.mouseMove = this._mouseMove.bind(this);
- _boundEvents.mouseUp = this._mouseUp.bind(this);
- this.resizer.addEventListener("mousedown", (evt) => {
- if (evt.button !== 0) {
- return;
- }
- this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
- window.addEventListener("mousemove", _boundEvents.mouseMove);
- window.addEventListener("mouseup", _boundEvents.mouseUp);
- });
- this.eventBus._on("sidebarviewchanged", (evt) => {
- this.sidebarOpen = !!evt?.view;
- });
- this.eventBus._on("resize", (evt) => {
- if (evt?.source !== window) {
- return;
- }
- this._outerContainerWidth = null;
- if (!this._width) {
- return;
- }
- if (!this.sidebarOpen) {
- this._updateWidth(this._width);
- return;
- }
- this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
- const updated = this._updateWidth(this._width);
- Promise.resolve().then(() => {
- this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
- if (updated) {
- this.eventBus.dispatch("resize", {
- source: this,
- });
- }
- });
- });
- }
- }
- exports.PDFSidebarResizer = PDFSidebarResizer;
- /***/
- },
- /* 27 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFThumbnailViewer = void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdf_thumbnail_view = __webpack_require__(28);
- const THUMBNAIL_SCROLL_MARGIN = -19;
- const THUMBNAIL_SELECTED_CLASS = "selected";
- class PDFThumbnailViewer {
- constructor({
- container,
- linkService,
- renderingQueue,
- l10n,
- pageColors,
- }) {
- this.container = container;
- this.linkService = linkService;
- this.renderingQueue = renderingQueue;
- this.l10n = l10n;
- this.pageColors = pageColors || null;
- if (
- this.pageColors &&
- !(
- CSS.supports("color", this.pageColors.background) &&
- CSS.supports("color", this.pageColors.foreground)
- )
- ) {
- if (this.pageColors.background || this.pageColors.foreground) {
- console.warn(
- "PDFThumbnailViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used."
- );
- }
- this.pageColors = null;
- }
- this.scroll = (0, _ui_utils.watchScroll)(
- this.container,
- this._scrollUpdated.bind(this)
- );
- this._resetView();
- }
- _scrollUpdated() {
- this.renderingQueue.renderHighestPriority();
- }
- getThumbnail(index) {
- return this._thumbnails[index];
- }
- _getVisibleThumbs() {
- return (0, _ui_utils.getVisibleElements)({
- scrollEl: this.container,
- views: this._thumbnails,
- });
- }
- scrollThumbnailIntoView(pageNumber) {
- if (!this.pdfDocument) {
- return;
- }
- const thumbnailView = this._thumbnails[pageNumber - 1];
- if (!thumbnailView) {
- console.error(
- 'scrollThumbnailIntoView: Invalid "pageNumber" parameter.'
- );
- return;
- }
- if (pageNumber !== this._currentPageNumber) {
- const prevThumbnailView =
- this._thumbnails[this._currentPageNumber - 1];
- prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
- thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
- }
- const { first, last, views } = this._getVisibleThumbs();
- if (views.length > 0) {
- let shouldScroll = false;
- if (pageNumber <= first.id || pageNumber >= last.id) {
- shouldScroll = true;
- } else {
- for (const { id, percent } of views) {
- if (id !== pageNumber) {
- continue;
- }
- shouldScroll = percent < 100;
- break;
- }
- }
- if (shouldScroll) {
- (0, _ui_utils.scrollIntoView)(thumbnailView.div, {
- top: THUMBNAIL_SCROLL_MARGIN,
- });
- }
- }
- this._currentPageNumber = pageNumber;
- }
- get pagesRotation() {
- return this._pagesRotation;
- }
- set pagesRotation(rotation) {
- if (!(0, _ui_utils.isValidRotation)(rotation)) {
- throw new Error("Invalid thumbnails rotation angle.");
- }
- if (!this.pdfDocument) {
- return;
- }
- if (this._pagesRotation === rotation) {
- return;
- }
- this._pagesRotation = rotation;
- const updateArgs = {
- rotation,
- };
- for (const thumbnail of this._thumbnails) {
- thumbnail.update(updateArgs);
- }
- }
- cleanup() {
- for (const thumbnail of this._thumbnails) {
- if (
- thumbnail.renderingState !== _ui_utils.RenderingStates.FINISHED
- ) {
- thumbnail.reset();
- }
- }
- _pdf_thumbnail_view.TempImageFactory.destroyCanvas();
- }
- _resetView() {
- this._thumbnails = [];
- this._currentPageNumber = 1;
- this._pageLabels = null;
- this._pagesRotation = 0;
- this.container.textContent = "";
- }
- setDocument(pdfDocument) {
- if (this.pdfDocument) {
- this._cancelRendering();
- this._resetView();
- }
- this.pdfDocument = pdfDocument;
- if (!pdfDocument) {
- return;
- }
- const firstPagePromise = pdfDocument.getPage(1);
- const optionalContentConfigPromise =
- pdfDocument.getOptionalContentConfig();
- firstPagePromise
- .then((firstPdfPage) => {
- const pagesCount = pdfDocument.numPages;
- const viewport = firstPdfPage.getViewport({
- scale: 1,
- });
- for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
- const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
- container: this.container,
- id: pageNum,
- defaultViewport: viewport.clone(),
- optionalContentConfigPromise,
- linkService: this.linkService,
- renderingQueue: this.renderingQueue,
- l10n: this.l10n,
- pageColors: this.pageColors,
- });
- this._thumbnails.push(thumbnail);
- }
- this._thumbnails[0]?.setPdfPage(firstPdfPage);
- const thumbnailView =
- this._thumbnails[this._currentPageNumber - 1];
- thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
- })
- .catch((reason) => {
- console.error("Unable to initialize thumbnail viewer", reason);
- });
- }
- _cancelRendering() {
- for (const thumbnail of this._thumbnails) {
- thumbnail.cancelRendering();
- }
- }
- setPageLabels(labels) {
- if (!this.pdfDocument) {
- return;
- }
- if (!labels) {
- this._pageLabels = null;
- } else if (
- !(
- Array.isArray(labels) &&
- this.pdfDocument.numPages === labels.length
- )
- ) {
- this._pageLabels = null;
- console.error(
- "PDFThumbnailViewer_setPageLabels: Invalid page labels."
- );
- } else {
- this._pageLabels = labels;
- }
- for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
- this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
- }
- }
- async #ensurePdfPageLoaded(thumbView) {
- if (thumbView.pdfPage) {
- return thumbView.pdfPage;
- }
- try {
- const pdfPage = await this.pdfDocument.getPage(thumbView.id);
- if (!thumbView.pdfPage) {
- thumbView.setPdfPage(pdfPage);
- }
- return pdfPage;
- } catch (reason) {
- console.error("Unable to get page for thumb view", reason);
- return null;
- }
- }
- #getScrollAhead(visible) {
- if (visible.first?.id === 1) {
- return true;
- } else if (visible.last?.id === this._thumbnails.length) {
- return false;
- }
- return this.scroll.down;
- }
- forceRendering() {
- const visibleThumbs = this._getVisibleThumbs();
- const scrollAhead = this.#getScrollAhead(visibleThumbs);
- const thumbView = this.renderingQueue.getHighestPriority(
- visibleThumbs,
- this._thumbnails,
- scrollAhead
- );
- if (thumbView) {
- this.#ensurePdfPageLoaded(thumbView).then(() => {
- this.renderingQueue.renderView(thumbView);
- });
- return true;
- }
- return false;
- }
- }
- exports.PDFThumbnailViewer = PDFThumbnailViewer;
- /***/
- },
- /* 28 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.TempImageFactory = exports.PDFThumbnailView = void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdfjsLib = __webpack_require__(4);
- const DRAW_UPSCALE_FACTOR = 2;
- const MAX_NUM_SCALING_STEPS = 3;
- const THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
- const THUMBNAIL_WIDTH = 98;
- class TempImageFactory {
- static #tempCanvas = null;
- static getCanvas(width, height) {
- const tempCanvas = (this.#tempCanvas ||=
- document.createElement("canvas"));
- tempCanvas.width = width;
- tempCanvas.height = height;
- const ctx = tempCanvas.getContext("2d", {
- alpha: false,
- });
- ctx.save();
- ctx.fillStyle = "rgb(255, 255, 255)";
- ctx.fillRect(0, 0, width, height);
- ctx.restore();
- return [tempCanvas, tempCanvas.getContext("2d")];
- }
- static destroyCanvas() {
- const tempCanvas = this.#tempCanvas;
- if (tempCanvas) {
- tempCanvas.width = 0;
- tempCanvas.height = 0;
- }
- this.#tempCanvas = null;
- }
- }
- exports.TempImageFactory = TempImageFactory;
- class PDFThumbnailView {
- constructor({
- container,
- id,
- defaultViewport,
- optionalContentConfigPromise,
- linkService,
- renderingQueue,
- l10n,
- pageColors,
- }) {
- this.id = id;
- this.renderingId = "thumbnail" + id;
- this.pageLabel = null;
- this.pdfPage = null;
- this.rotation = 0;
- this.viewport = defaultViewport;
- this.pdfPageRotate = defaultViewport.rotation;
- this._optionalContentConfigPromise =
- optionalContentConfigPromise || null;
- this.pageColors = pageColors || null;
- this.linkService = linkService;
- this.renderingQueue = renderingQueue;
- this.renderTask = null;
- this.renderingState = _ui_utils.RenderingStates.INITIAL;
- this.resume = null;
- const pageWidth = this.viewport.width,
- pageHeight = this.viewport.height,
- pageRatio = pageWidth / pageHeight;
- this.canvasWidth = THUMBNAIL_WIDTH;
- this.canvasHeight = (this.canvasWidth / pageRatio) | 0;
- this.scale = this.canvasWidth / pageWidth;
- this.l10n = l10n;
- const anchor = document.createElement("a");
- anchor.href = linkService.getAnchorUrl("#page=" + id);
- this._thumbPageTitle.then((msg) => {
- anchor.title = msg;
- });
- anchor.onclick = function () {
- linkService.goToPage(id);
- return false;
- };
- this.anchor = anchor;
- const div = document.createElement("div");
- div.className = "thumbnail";
- div.setAttribute("data-page-number", this.id);
- this.div = div;
- const ring = document.createElement("div");
- ring.className = "thumbnailSelectionRing";
- const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
- ring.style.width = this.canvasWidth + borderAdjustment + "px";
- ring.style.height = this.canvasHeight + borderAdjustment + "px";
- this.ring = ring;
- div.append(ring);
- anchor.append(div);
- container.append(anchor);
- }
- setPdfPage(pdfPage) {
- this.pdfPage = pdfPage;
- this.pdfPageRotate = pdfPage.rotate;
- const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = pdfPage.getViewport({
- scale: 1,
- rotation: totalRotation,
- });
- this.reset();
- }
- reset() {
- this.cancelRendering();
- this.renderingState = _ui_utils.RenderingStates.INITIAL;
- const pageWidth = this.viewport.width,
- pageHeight = this.viewport.height,
- pageRatio = pageWidth / pageHeight;
- this.canvasHeight = (this.canvasWidth / pageRatio) | 0;
- this.scale = this.canvasWidth / pageWidth;
- this.div.removeAttribute("data-loaded");
- const ring = this.ring;
- ring.textContent = "";
- const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
- ring.style.width = this.canvasWidth + borderAdjustment + "px";
- ring.style.height = this.canvasHeight + borderAdjustment + "px";
- if (this.canvas) {
- this.canvas.width = 0;
- this.canvas.height = 0;
- delete this.canvas;
- }
- if (this.image) {
- this.image.removeAttribute("src");
- delete this.image;
- }
- }
- update({ rotation = null }) {
- if (typeof rotation === "number") {
- this.rotation = rotation;
- }
- const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = this.viewport.clone({
- scale: 1,
- rotation: totalRotation,
- });
- this.reset();
- }
- cancelRendering() {
- if (this.renderTask) {
- this.renderTask.cancel();
- this.renderTask = null;
- }
- this.resume = null;
- }
- _getPageDrawContext(upscaleFactor = 1) {
- const canvas = document.createElement("canvas");
- const ctx = canvas.getContext("2d", {
- alpha: false,
- });
- const outputScale = new _ui_utils.OutputScale();
- canvas.width =
- (upscaleFactor * this.canvasWidth * outputScale.sx) | 0;
- canvas.height =
- (upscaleFactor * this.canvasHeight * outputScale.sy) | 0;
- const transform = outputScale.scaled
- ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0]
- : null;
- return {
- ctx,
- canvas,
- transform,
- };
- }
- _convertCanvasToImage(canvas) {
- if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
- throw new Error(
- "_convertCanvasToImage: Rendering has not finished."
- );
- }
- const reducedCanvas = this._reduceImage(canvas);
- const image = document.createElement("img");
- image.className = "thumbnailImage";
- this._thumbPageCanvas.then((msg) => {
- image.setAttribute("aria-label", msg);
- });
- image.style.width = this.canvasWidth + "px";
- image.style.height = this.canvasHeight + "px";
- image.src = reducedCanvas.toDataURL();
- this.image = image;
- this.div.setAttribute("data-loaded", true);
- this.ring.append(image);
- reducedCanvas.width = 0;
- reducedCanvas.height = 0;
- }
- draw() {
- if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
- console.error("Must be in new state before drawing");
- return Promise.resolve();
- }
- const { pdfPage } = this;
- if (!pdfPage) {
- this.renderingState = _ui_utils.RenderingStates.FINISHED;
- return Promise.reject(new Error("pdfPage is not loaded"));
- }
- this.renderingState = _ui_utils.RenderingStates.RUNNING;
- const finishRenderTask = async (error = null) => {
- if (renderTask === this.renderTask) {
- this.renderTask = null;
- }
- if (error instanceof _pdfjsLib.RenderingCancelledException) {
- return;
- }
- this.renderingState = _ui_utils.RenderingStates.FINISHED;
- this._convertCanvasToImage(canvas);
- if (error) {
- throw error;
- }
- };
- const { ctx, canvas, transform } =
- this._getPageDrawContext(DRAW_UPSCALE_FACTOR);
- const drawViewport = this.viewport.clone({
- scale: DRAW_UPSCALE_FACTOR * this.scale,
- });
- const renderContinueCallback = (cont) => {
- if (!this.renderingQueue.isHighestPriority(this)) {
- this.renderingState = _ui_utils.RenderingStates.PAUSED;
- this.resume = () => {
- this.renderingState = _ui_utils.RenderingStates.RUNNING;
- cont();
- };
- return;
- }
- cont();
- };
- const renderContext = {
- canvasContext: ctx,
- transform,
- viewport: drawViewport,
- optionalContentConfigPromise: this._optionalContentConfigPromise,
- pageColors: this.pageColors,
- };
- const renderTask = (this.renderTask = pdfPage.render(renderContext));
- renderTask.onContinue = renderContinueCallback;
- const resultPromise = renderTask.promise.then(
- function () {
- return finishRenderTask(null);
- },
- function (error) {
- return finishRenderTask(error);
- }
- );
- resultPromise.finally(() => {
- canvas.width = 0;
- canvas.height = 0;
- const pageCached = this.linkService.isPageCached(this.id);
- if (!pageCached) {
- this.pdfPage?.cleanup();
- }
- });
- return resultPromise;
- }
- setImage(pageView) {
- if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
- return;
- }
- const { thumbnailCanvas: canvas, pdfPage, scale } = pageView;
- if (!canvas) {
- return;
- }
- if (!this.pdfPage) {
- this.setPdfPage(pdfPage);
- }
- if (scale < this.scale) {
- return;
- }
- this.renderingState = _ui_utils.RenderingStates.FINISHED;
- this._convertCanvasToImage(canvas);
- }
- _reduceImage(img) {
- const { ctx, canvas } = this._getPageDrawContext();
- if (img.width <= 2 * canvas.width) {
- ctx.drawImage(
- img,
- 0,
- 0,
- img.width,
- img.height,
- 0,
- 0,
- canvas.width,
- canvas.height
- );
- return canvas;
- }
- let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
- let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
- const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(
- reducedWidth,
- reducedHeight
- );
- while (reducedWidth > img.width || reducedHeight > img.height) {
- reducedWidth >>= 1;
- reducedHeight >>= 1;
- }
- reducedImageCtx.drawImage(
- img,
- 0,
- 0,
- img.width,
- img.height,
- 0,
- 0,
- reducedWidth,
- reducedHeight
- );
- while (reducedWidth > 2 * canvas.width) {
- reducedImageCtx.drawImage(
- reducedImage,
- 0,
- 0,
- reducedWidth,
- reducedHeight,
- 0,
- 0,
- reducedWidth >> 1,
- reducedHeight >> 1
- );
- reducedWidth >>= 1;
- reducedHeight >>= 1;
- }
- ctx.drawImage(
- reducedImage,
- 0,
- 0,
- reducedWidth,
- reducedHeight,
- 0,
- 0,
- canvas.width,
- canvas.height
- );
- return canvas;
- }
- get _thumbPageTitle() {
- return this.l10n.get("thumb_page_title", {
- page: this.pageLabel ?? this.id,
- });
- }
- get _thumbPageCanvas() {
- return this.l10n.get("thumb_page_canvas", {
- page: this.pageLabel ?? this.id,
- });
- }
- setPageLabel(label) {
- this.pageLabel = typeof label === "string" ? label : null;
- this._thumbPageTitle.then((msg) => {
- this.anchor.title = msg;
- });
- if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) {
- return;
- }
- this._thumbPageCanvas.then((msg) => {
- this.image?.setAttribute("aria-label", msg);
- });
- }
- }
- exports.PDFThumbnailView = PDFThumbnailView;
- /***/
- },
- /* 29 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PagesCountLimit =
- exports.PDFViewer =
- exports.PDFPageViewBuffer =
- void 0;
- var _pdfjsLib = __webpack_require__(4);
- var _ui_utils = __webpack_require__(3);
- var _l10n_utils = __webpack_require__(30);
- var _pdf_page_view = __webpack_require__(31);
- var _pdf_rendering_queue = __webpack_require__(23);
- var _pdf_link_service = __webpack_require__(7);
- const DEFAULT_CACHE_SIZE = 10;
- const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
- const PagesCountLimit = {
- FORCE_SCROLL_MODE_PAGE: 15000,
- FORCE_LAZY_PAGE_INIT: 7500,
- PAUSE_EAGER_PAGE_INIT: 250,
- };
- exports.PagesCountLimit = PagesCountLimit;
- function isValidAnnotationEditorMode(mode) {
- return (
- Object.values(_pdfjsLib.AnnotationEditorType).includes(mode) &&
- mode !== _pdfjsLib.AnnotationEditorType.DISABLE
- );
- }
- class PDFPageViewBuffer {
- #buf = new Set();
- #size = 0;
- constructor(size) {
- this.#size = size;
- }
- push(view) {
- const buf = this.#buf;
- if (buf.has(view)) {
- buf.delete(view);
- }
- buf.add(view);
- if (buf.size > this.#size) {
- this.#destroyFirstView();
- }
- }
- resize(newSize, idsToKeep = null) {
- this.#size = newSize;
- const buf = this.#buf;
- if (idsToKeep) {
- const ii = buf.size;
- let i = 1;
- for (const view of buf) {
- if (idsToKeep.has(view.id)) {
- buf.delete(view);
- buf.add(view);
- }
- if (++i > ii) {
- break;
- }
- }
- }
- while (buf.size > this.#size) {
- this.#destroyFirstView();
- }
- }
- has(view) {
- return this.#buf.has(view);
- }
- [Symbol.iterator]() {
- return this.#buf.keys();
- }
- #destroyFirstView() {
- const firstView = this.#buf.keys().next().value;
- firstView?.destroy();
- this.#buf.delete(firstView);
- }
- }
- exports.PDFPageViewBuffer = PDFPageViewBuffer;
- class PDFViewer {
- #buffer = null;
- #annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE;
- #annotationEditorUIManager = null;
- #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
- #containerTopLeft = null;
- #enablePermissions = false;
- #previousContainerHeight = 0;
- #resizeObserver = new ResizeObserver(
- this.#resizeObserverCallback.bind(this)
- );
- #scrollModePageState = null;
- #onVisibilityChange = null;
- #scaleTimeoutId = null;
- constructor(options) {
- const viewerVersion = "3.5.141";
- if (_pdfjsLib.version !== viewerVersion) {
- throw new Error(
- `The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`
- );
- }
- this.container = options.container;
- this.viewer = options.viewer || options.container.firstElementChild;
- if (
- this.container?.tagName !== "DIV" ||
- this.viewer?.tagName !== "DIV"
- ) {
- throw new Error("Invalid `container` and/or `viewer` option.");
- }
- if (
- this.container.offsetParent &&
- getComputedStyle(this.container).position !== "absolute"
- ) {
- throw new Error("The `container` must be absolutely positioned.");
- }
- this.#resizeObserver.observe(this.container);
- this.eventBus = options.eventBus;
- this.linkService =
- options.linkService || new _pdf_link_service.SimpleLinkService();
- this.downloadManager = options.downloadManager || null;
- this.findController = options.findController || null;
- this._scriptingManager = options.scriptingManager || null;
- this.textLayerMode =
- options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
- this.#annotationMode =
- options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
- this.#annotationEditorMode =
- options.annotationEditorMode ?? _pdfjsLib.AnnotationEditorType.NONE;
- this.imageResourcesPath = options.imageResourcesPath || "";
- this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
- this.removePageBorders = options.removePageBorders || false;
- this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
- this.useOnlyCssZoom = options.useOnlyCssZoom || false;
- this.isOffscreenCanvasSupported =
- options.isOffscreenCanvasSupported ?? true;
- this.maxCanvasPixels = options.maxCanvasPixels;
- this.l10n = options.l10n || _l10n_utils.NullL10n;
- this.#enablePermissions = options.enablePermissions || false;
- this.pageColors = options.pageColors || null;
- if (
- this.pageColors &&
- !(
- CSS.supports("color", this.pageColors.background) &&
- CSS.supports("color", this.pageColors.foreground)
- )
- ) {
- if (this.pageColors.background || this.pageColors.foreground) {
- console.warn(
- "PDFViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used."
- );
- }
- this.pageColors = null;
- }
- this.defaultRenderingQueue = !options.renderingQueue;
- if (this.defaultRenderingQueue) {
- this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
- this.renderingQueue.setViewer(this);
- } else {
- this.renderingQueue = options.renderingQueue;
- }
- this.scroll = (0, _ui_utils.watchScroll)(
- this.container,
- this._scrollUpdate.bind(this)
- );
- this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
- this._onBeforeDraw = this._onAfterDraw = null;
- this._resetView();
- if (this.removePageBorders) {
- this.viewer.classList.add("removePageBorders");
- }
- this.#updateContainerHeightCss();
- }
- get pagesCount() {
- return this._pages.length;
- }
- getPageView(index) {
- return this._pages[index];
- }
- get pageViewsReady() {
- if (!this._pagesCapability.settled) {
- return false;
- }
- return this._pages.every(function (pageView) {
- return pageView?.pdfPage;
- });
- }
- get renderForms() {
- return this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS;
- }
- get enableScripting() {
- return !!this._scriptingManager;
- }
- get currentPageNumber() {
- return this._currentPageNumber;
- }
- set currentPageNumber(val) {
- if (!Number.isInteger(val)) {
- throw new Error("Invalid page number.");
- }
- if (!this.pdfDocument) {
- return;
- }
- if (!this._setCurrentPageNumber(val, true)) {
- console.error(`currentPageNumber: "${val}" is not a valid page.`);
- }
- }
- _setCurrentPageNumber(val, resetCurrentPageView = false) {
- if (this._currentPageNumber === val) {
- if (resetCurrentPageView) {
- this.#resetCurrentPageView();
- }
- return true;
- }
- if (!(0 < val && val <= this.pagesCount)) {
- return false;
- }
- const previous = this._currentPageNumber;
- this._currentPageNumber = val;
- this.eventBus.dispatch("pagechanging", {
- source: this,
- pageNumber: val,
- pageLabel: this._pageLabels?.[val - 1] ?? null,
- previous,
- });
- if (resetCurrentPageView) {
- this.#resetCurrentPageView();
- }
- return true;
- }
- get currentPageLabel() {
- return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
- }
- set currentPageLabel(val) {
- if (!this.pdfDocument) {
- return;
- }
- let page = val | 0;
- if (this._pageLabels) {
- const i = this._pageLabels.indexOf(val);
- if (i >= 0) {
- page = i + 1;
- }
- }
- if (!this._setCurrentPageNumber(page, true)) {
- console.error(`currentPageLabel: "${val}" is not a valid page.`);
- }
- }
- get currentScale() {
- return this._currentScale !== _ui_utils.UNKNOWN_SCALE
- ? this._currentScale
- : _ui_utils.DEFAULT_SCALE;
- }
- set currentScale(val) {
- if (isNaN(val)) {
- throw new Error("Invalid numeric scale.");
- }
- if (!this.pdfDocument) {
- return;
- }
- this.#setScale(val, {
- noScroll: false,
- });
- }
- get currentScaleValue() {
- return this._currentScaleValue;
- }
- set currentScaleValue(val) {
- if (!this.pdfDocument) {
- return;
- }
- this.#setScale(val, {
- noScroll: false,
- });
- }
- get pagesRotation() {
- return this._pagesRotation;
- }
- set pagesRotation(rotation) {
- if (!(0, _ui_utils.isValidRotation)(rotation)) {
- throw new Error("Invalid pages rotation angle.");
- }
- if (!this.pdfDocument) {
- return;
- }
- rotation %= 360;
- if (rotation < 0) {
- rotation += 360;
- }
- if (this._pagesRotation === rotation) {
- return;
- }
- this._pagesRotation = rotation;
- const pageNumber = this._currentPageNumber;
- this.refresh(true, {
- rotation,
- });
- if (this._currentScaleValue) {
- this.#setScale(this._currentScaleValue, {
- noScroll: true,
- });
- }
- this.eventBus.dispatch("rotationchanging", {
- source: this,
- pagesRotation: rotation,
- pageNumber,
- });
- if (this.defaultRenderingQueue) {
- this.update();
- }
- }
- get firstPagePromise() {
- return this.pdfDocument ? this._firstPageCapability.promise : null;
- }
- get onePageRendered() {
- return this.pdfDocument
- ? this._onePageRenderedCapability.promise
- : null;
- }
- get pagesPromise() {
- return this.pdfDocument ? this._pagesCapability.promise : null;
- }
- #layerProperties() {
- const self = this;
- return {
- get annotationEditorUIManager() {
- return self.#annotationEditorUIManager;
- },
- get annotationStorage() {
- return self.pdfDocument?.annotationStorage;
- },
- get downloadManager() {
- return self.downloadManager;
- },
- get enableScripting() {
- return !!self._scriptingManager;
- },
- get fieldObjectsPromise() {
- return self.pdfDocument?.getFieldObjects();
- },
- get findController() {
- return self.findController;
- },
- get hasJSActionsPromise() {
- return self.pdfDocument?.hasJSActions();
- },
- get linkService() {
- return self.linkService;
- },
- };
- }
- #initializePermissions(permissions) {
- const params = {
- annotationEditorMode: this.#annotationEditorMode,
- annotationMode: this.#annotationMode,
- textLayerMode: this.textLayerMode,
- };
- if (!permissions) {
- return params;
- }
- if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY)) {
- this.viewer.classList.add(ENABLE_PERMISSIONS_CLASS);
- }
- if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_CONTENTS)) {
- params.annotationEditorMode =
- _pdfjsLib.AnnotationEditorType.DISABLE;
- }
- if (
- !permissions.includes(
- _pdfjsLib.PermissionFlag.MODIFY_ANNOTATIONS
- ) &&
- !permissions.includes(
- _pdfjsLib.PermissionFlag.FILL_INTERACTIVE_FORMS
- ) &&
- this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS
- ) {
- params.annotationMode = _pdfjsLib.AnnotationMode.ENABLE;
- }
- return params;
- }
- #onePageRenderedOrForceFetch() {
- if (
- document.visibilityState === "hidden" ||
- !this.container.offsetParent ||
- this._getVisiblePages().views.length === 0
- ) {
- return Promise.resolve();
- }
- const visibilityChangePromise = new Promise((resolve) => {
- this.#onVisibilityChange = () => {
- if (document.visibilityState !== "hidden") {
- return;
- }
- resolve();
- document.removeEventListener(
- "visibilitychange",
- this.#onVisibilityChange
- );
- this.#onVisibilityChange = null;
- };
- document.addEventListener(
- "visibilitychange",
- this.#onVisibilityChange
- );
- });
- return Promise.race([
- this._onePageRenderedCapability.promise,
- visibilityChangePromise,
- ]);
- }
- setDocument(pdfDocument) {
- if (this.pdfDocument) {
- this.eventBus.dispatch("pagesdestroy", {
- source: this,
- });
- this._cancelRendering();
- this._resetView();
- this.findController?.setDocument(null);
- this._scriptingManager?.setDocument(null);
- if (this.#annotationEditorUIManager) {
- this.#annotationEditorUIManager.destroy();
- this.#annotationEditorUIManager = null;
- }
- }
- this.pdfDocument = pdfDocument;
- if (!pdfDocument) {
- return;
- }
- const pagesCount = pdfDocument.numPages;
- const firstPagePromise = pdfDocument.getPage(1);
- const optionalContentConfigPromise =
- pdfDocument.getOptionalContentConfig();
- const permissionsPromise = this.#enablePermissions
- ? pdfDocument.getPermissions()
- : Promise.resolve();
- if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
- console.warn(
- "Forcing PAGE-scrolling for performance reasons, given the length of the document."
- );
- const mode = (this._scrollMode = _ui_utils.ScrollMode.PAGE);
- this.eventBus.dispatch("scrollmodechanged", {
- source: this,
- mode,
- });
- }
- this._pagesCapability.promise.then(
- () => {
- this.eventBus.dispatch("pagesloaded", {
- source: this,
- pagesCount,
- });
- },
- () => {}
- );
- this._onBeforeDraw = (evt) => {
- const pageView = this._pages[evt.pageNumber - 1];
- if (!pageView) {
- return;
- }
- this.#buffer.push(pageView);
- };
- this.eventBus._on("pagerender", this._onBeforeDraw);
- this._onAfterDraw = (evt) => {
- if (evt.cssTransform || this._onePageRenderedCapability.settled) {
- return;
- }
- this._onePageRenderedCapability.resolve({
- timestamp: evt.timestamp,
- });
- this.eventBus._off("pagerendered", this._onAfterDraw);
- this._onAfterDraw = null;
- if (this.#onVisibilityChange) {
- document.removeEventListener(
- "visibilitychange",
- this.#onVisibilityChange
- );
- this.#onVisibilityChange = null;
- }
- };
- this.eventBus._on("pagerendered", this._onAfterDraw);
- Promise.all([firstPagePromise, permissionsPromise])
- .then(([firstPdfPage, permissions]) => {
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- this._firstPageCapability.resolve(firstPdfPage);
- this._optionalContentConfigPromise = optionalContentConfigPromise;
- const { annotationEditorMode, annotationMode, textLayerMode } =
- this.#initializePermissions(permissions);
- if (
- annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE
- ) {
- const mode = annotationEditorMode;
- if (pdfDocument.isPureXfa) {
- console.warn("Warning: XFA-editing is not implemented.");
- } else if (isValidAnnotationEditorMode(mode)) {
- this.#annotationEditorUIManager =
- new _pdfjsLib.AnnotationEditorUIManager(
- this.container,
- this.eventBus,
- pdfDocument?.annotationStorage
- );
- if (mode !== _pdfjsLib.AnnotationEditorType.NONE) {
- this.#annotationEditorUIManager.updateMode(mode);
- }
- } else {
- console.error(`Invalid AnnotationEditor mode: ${mode}`);
- }
- }
- const layerProperties = this.#layerProperties.bind(this);
- const viewerElement =
- this._scrollMode === _ui_utils.ScrollMode.PAGE
- ? null
- : this.viewer;
- const scale = this.currentScale;
- const viewport = firstPdfPage.getViewport({
- scale: scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
- });
- this.viewer.style.setProperty("--scale-factor", viewport.scale);
- for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
- const pageView = new _pdf_page_view.PDFPageView({
- container: viewerElement,
- eventBus: this.eventBus,
- id: pageNum,
- scale,
- defaultViewport: viewport.clone(),
- optionalContentConfigPromise,
- renderingQueue: this.renderingQueue,
- textLayerMode,
- annotationMode,
- imageResourcesPath: this.imageResourcesPath,
- renderer: this.renderer,
- useOnlyCssZoom: this.useOnlyCssZoom,
- isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
- maxCanvasPixels: this.maxCanvasPixels,
- pageColors: this.pageColors,
- l10n: this.l10n,
- layerProperties,
- });
- this._pages.push(pageView);
- }
- const firstPageView = this._pages[0];
- if (firstPageView) {
- firstPageView.setPdfPage(firstPdfPage);
- this.linkService.cachePageRef(1, firstPdfPage.ref);
- }
- if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
- this.#ensurePageViewVisible();
- } else if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
- this._updateSpreadMode();
- }
- this.#onePageRenderedOrForceFetch().then(async () => {
- this.findController?.setDocument(pdfDocument);
- this._scriptingManager?.setDocument(pdfDocument);
- if (this.#annotationEditorUIManager) {
- this.eventBus.dispatch("annotationeditormodechanged", {
- source: this,
- mode: this.#annotationEditorMode,
- });
- }
- if (
- pdfDocument.loadingParams.disableAutoFetch ||
- pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT
- ) {
- this._pagesCapability.resolve();
- return;
- }
- let getPagesLeft = pagesCount - 1;
- if (getPagesLeft <= 0) {
- this._pagesCapability.resolve();
- return;
- }
- for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
- const promise = pdfDocument.getPage(pageNum).then(
- (pdfPage) => {
- const pageView = this._pages[pageNum - 1];
- if (!pageView.pdfPage) {
- pageView.setPdfPage(pdfPage);
- }
- this.linkService.cachePageRef(pageNum, pdfPage.ref);
- if (--getPagesLeft === 0) {
- this._pagesCapability.resolve();
- }
- },
- (reason) => {
- console.error(
- `Unable to get page ${pageNum} to initialize viewer`,
- reason
- );
- if (--getPagesLeft === 0) {
- this._pagesCapability.resolve();
- }
- }
- );
- if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) {
- await promise;
- }
- }
- });
- this.eventBus.dispatch("pagesinit", {
- source: this,
- });
- pdfDocument.getMetadata().then(({ info }) => {
- if (pdfDocument !== this.pdfDocument) {
- return;
- }
- if (info.Language) {
- this.viewer.lang = info.Language;
- }
- });
- if (this.defaultRenderingQueue) {
- this.update();
- }
- })
- .catch((reason) => {
- console.error("Unable to initialize viewer", reason);
- this._pagesCapability.reject(reason);
- });
- }
- setPageLabels(labels) {
- if (!this.pdfDocument) {
- return;
- }
- if (!labels) {
- this._pageLabels = null;
- } else if (
- !(
- Array.isArray(labels) &&
- this.pdfDocument.numPages === labels.length
- )
- ) {
- this._pageLabels = null;
- console.error(`setPageLabels: Invalid page labels.`);
- } else {
- this._pageLabels = labels;
- }
- for (let i = 0, ii = this._pages.length; i < ii; i++) {
- this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
- }
- }
- _resetView() {
- this._pages = [];
- this._currentPageNumber = 1;
- this._currentScale = _ui_utils.UNKNOWN_SCALE;
- this._currentScaleValue = null;
- this._pageLabels = null;
- this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
- this._location = null;
- this._pagesRotation = 0;
- this._optionalContentConfigPromise = null;
- this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
- this._onePageRenderedCapability = (0,
- _pdfjsLib.createPromiseCapability)();
- this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
- this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
- this._previousScrollMode = _ui_utils.ScrollMode.UNKNOWN;
- this._spreadMode = _ui_utils.SpreadMode.NONE;
- this.#scrollModePageState = {
- previousPageNumber: 1,
- scrollDown: true,
- pages: [],
- };
- if (this._onBeforeDraw) {
- this.eventBus._off("pagerender", this._onBeforeDraw);
- this._onBeforeDraw = null;
- }
- if (this._onAfterDraw) {
- this.eventBus._off("pagerendered", this._onAfterDraw);
- this._onAfterDraw = null;
- }
- if (this.#onVisibilityChange) {
- document.removeEventListener(
- "visibilitychange",
- this.#onVisibilityChange
- );
- this.#onVisibilityChange = null;
- }
- this.viewer.textContent = "";
- this._updateScrollMode();
- this.viewer.removeAttribute("lang");
- this.viewer.classList.remove(ENABLE_PERMISSIONS_CLASS);
- }
- #ensurePageViewVisible() {
- if (this._scrollMode !== _ui_utils.ScrollMode.PAGE) {
- throw new Error(
- "#ensurePageViewVisible: Invalid scrollMode value."
- );
- }
- const pageNumber = this._currentPageNumber,
- state = this.#scrollModePageState,
- viewer = this.viewer;
- viewer.textContent = "";
- state.pages.length = 0;
- if (
- this._spreadMode === _ui_utils.SpreadMode.NONE &&
- !this.isInPresentationMode
- ) {
- const pageView = this._pages[pageNumber - 1];
- viewer.append(pageView.div);
- state.pages.push(pageView);
- } else {
- const pageIndexSet = new Set(),
- parity = this._spreadMode - 1;
- if (parity === -1) {
- pageIndexSet.add(pageNumber - 1);
- } else if (pageNumber % 2 !== parity) {
- pageIndexSet.add(pageNumber - 1);
- pageIndexSet.add(pageNumber);
- } else {
- pageIndexSet.add(pageNumber - 2);
- pageIndexSet.add(pageNumber - 1);
- }
- const spread = document.createElement("div");
- spread.className = "spread";
- if (this.isInPresentationMode) {
- const dummyPage = document.createElement("div");
- dummyPage.className = "dummyPage";
- spread.append(dummyPage);
- }
- for (const i of pageIndexSet) {
- const pageView = this._pages[i];
- if (!pageView) {
- continue;
- }
- spread.append(pageView.div);
- state.pages.push(pageView);
- }
- viewer.append(spread);
- }
- state.scrollDown = pageNumber >= state.previousPageNumber;
- state.previousPageNumber = pageNumber;
- }
- _scrollUpdate() {
- if (this.pagesCount === 0) {
- return;
- }
- this.update();
- }
- #scrollIntoView(pageView, pageSpot = null) {
- const { div, id } = pageView;
- if (this._currentPageNumber !== id) {
- this._setCurrentPageNumber(id);
- }
- if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
- this.#ensurePageViewVisible();
- this.update();
- }
- if (!pageSpot && !this.isInPresentationMode) {
- const left = div.offsetLeft + div.clientLeft,
- right = left + div.clientWidth;
- const { scrollLeft, clientWidth } = this.container;
- if (
- this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL ||
- left < scrollLeft ||
- right > scrollLeft + clientWidth
- ) {
- pageSpot = {
- left: 0,
- top: 0,
- };
- }
- }
- (0, _ui_utils.scrollIntoView)(div, pageSpot);
- if (!this._currentScaleValue && this._location) {
- this._location = null;
- }
- }
- #isSameScale(newScale) {
- return (
- newScale === this._currentScale ||
- Math.abs(newScale - this._currentScale) < 1e-15
- );
- }
- #setScaleUpdatePages(
- newScale,
- newValue,
- { noScroll = false, preset = false, drawingDelay = -1 }
- ) {
- this._currentScaleValue = newValue.toString();
- if (this.#isSameScale(newScale)) {
- if (preset) {
- this.eventBus.dispatch("scalechanging", {
- source: this,
- scale: newScale,
- presetValue: newValue,
- });
- }
- return;
- }
- this.viewer.style.setProperty(
- "--scale-factor",
- newScale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
- );
- const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000;
- this.refresh(true, {
- scale: newScale,
- drawingDelay: postponeDrawing ? drawingDelay : -1,
- });
- if (postponeDrawing) {
- this.#scaleTimeoutId = setTimeout(() => {
- this.#scaleTimeoutId = null;
- this.refresh();
- }, drawingDelay);
- }
- this._currentScale = newScale;
- if (!noScroll) {
- let page = this._currentPageNumber,
- dest;
- if (
- this._location &&
- !(this.isInPresentationMode || this.isChangingPresentationMode)
- ) {
- page = this._location.pageNumber;
- dest = [
- null,
- {
- name: "XYZ",
- },
- this._location.left,
- this._location.top,
- null,
- ];
- }
- this.scrollPageIntoView({
- pageNumber: page,
- destArray: dest,
- allowNegativeOffset: true,
- });
- }
- this.eventBus.dispatch("scalechanging", {
- source: this,
- scale: newScale,
- presetValue: preset ? newValue : undefined,
- });
- if (this.defaultRenderingQueue) {
- this.update();
- }
- }
- get #pageWidthScaleFactor() {
- if (
- this._spreadMode !== _ui_utils.SpreadMode.NONE &&
- this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL
- ) {
- return 2;
- }
- return 1;
- }
- #setScale(value, options) {
- let scale = parseFloat(value);
- if (scale > 0) {
- options.preset = false;
- this.#setScaleUpdatePages(scale, value, options);
- } else {
- const currentPage = this._pages[this._currentPageNumber - 1];
- if (!currentPage) {
- return;
- }
- let hPadding = _ui_utils.SCROLLBAR_PADDING,
- vPadding = _ui_utils.VERTICAL_PADDING;
- if (this.isInPresentationMode) {
- hPadding = vPadding = 4;
- if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
- hPadding *= 2;
- }
- } else if (this.removePageBorders) {
- hPadding = vPadding = 0;
- } else if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL) {
- [hPadding, vPadding] = [vPadding, hPadding];
- }
- const pageWidthScale =
- (((this.container.clientWidth - hPadding) / currentPage.width) *
- currentPage.scale) /
- this.#pageWidthScaleFactor;
- const pageHeightScale =
- ((this.container.clientHeight - vPadding) / currentPage.height) *
- currentPage.scale;
- switch (value) {
- case "page-actual":
- scale = 1;
- break;
- case "page-width":
- scale = pageWidthScale;
- break;
- case "page-height":
- scale = pageHeightScale;
- break;
- case "page-fit":
- scale = Math.min(pageWidthScale, pageHeightScale);
- break;
- case "auto":
- const horizontalScale = (0, _ui_utils.isPortraitOrientation)(
- currentPage
- )
- ? pageWidthScale
- : Math.min(pageHeightScale, pageWidthScale);
- scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
- break;
- default:
- console.error(
- `#setScale: "${value}" is an unknown zoom value.`
- );
- return;
- }
- options.preset = true;
- this.#setScaleUpdatePages(scale, value, options);
- }
- }
- #resetCurrentPageView() {
- const pageView = this._pages[this._currentPageNumber - 1];
- if (this.isInPresentationMode) {
- this.#setScale(this._currentScaleValue, {
- noScroll: true,
- });
- }
- this.#scrollIntoView(pageView);
- }
- pageLabelToPageNumber(label) {
- if (!this._pageLabels) {
- return null;
- }
- const i = this._pageLabels.indexOf(label);
- if (i < 0) {
- return null;
- }
- return i + 1;
- }
- scrollPageIntoView({
- pageNumber,
- destArray = null,
- allowNegativeOffset = false,
- ignoreDestinationZoom = false,
- }) {
- if (!this.pdfDocument) {
- return;
- }
- const pageView =
- Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
- if (!pageView) {
- console.error(
- `scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`
- );
- return;
- }
- if (this.isInPresentationMode || !destArray) {
- this._setCurrentPageNumber(pageNumber, true);
- return;
- }
- let x = 0,
- y = 0;
- let width = 0,
- height = 0,
- widthScale,
- heightScale;
- const changeOrientation = pageView.rotation % 180 !== 0;
- const pageWidth =
- (changeOrientation ? pageView.height : pageView.width) /
- pageView.scale /
- _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
- const pageHeight =
- (changeOrientation ? pageView.width : pageView.height) /
- pageView.scale /
- _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
- let scale = 0;
- switch (destArray[1].name) {
- case "XYZ":
- x = destArray[2];
- y = destArray[3];
- scale = destArray[4];
- x = x !== null ? x : 0;
- y = y !== null ? y : pageHeight;
- break;
- case "Fit":
- case "FitB":
- scale = "page-fit";
- break;
- case "FitH":
- case "FitBH":
- y = destArray[2];
- scale = "page-width";
- if (y === null && this._location) {
- x = this._location.left;
- y = this._location.top;
- } else if (typeof y !== "number" || y < 0) {
- y = pageHeight;
- }
- break;
- case "FitV":
- case "FitBV":
- x = destArray[2];
- width = pageWidth;
- height = pageHeight;
- scale = "page-height";
- break;
- case "FitR":
- x = destArray[2];
- y = destArray[3];
- width = destArray[4] - x;
- height = destArray[5] - y;
- let hPadding = _ui_utils.SCROLLBAR_PADDING,
- vPadding = _ui_utils.VERTICAL_PADDING;
- if (this.removePageBorders) {
- hPadding = vPadding = 0;
- }
- widthScale =
- (this.container.clientWidth - hPadding) /
- width /
- _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
- heightScale =
- (this.container.clientHeight - vPadding) /
- height /
- _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS;
- scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
- break;
- default:
- console.error(
- `scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`
- );
- return;
- }
- if (!ignoreDestinationZoom) {
- if (scale && scale !== this._currentScale) {
- this.currentScaleValue = scale;
- } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
- this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
- }
- }
- if (scale === "page-fit" && !destArray[4]) {
- this.#scrollIntoView(pageView);
- return;
- }
- const boundingRect = [
- pageView.viewport.convertToViewportPoint(x, y),
- pageView.viewport.convertToViewportPoint(x + width, y + height),
- ];
- let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
- let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
- if (!allowNegativeOffset) {
- left = Math.max(left, 0);
- top = Math.max(top, 0);
- }
- this.#scrollIntoView(pageView, {
- left,
- top,
- });
- }
- _updateLocation(firstPage) {
- const currentScale = this._currentScale;
- const currentScaleValue = this._currentScaleValue;
- const normalizedScaleValue =
- parseFloat(currentScaleValue) === currentScale
- ? Math.round(currentScale * 10000) / 100
- : currentScaleValue;
- const pageNumber = firstPage.id;
- const currentPageView = this._pages[pageNumber - 1];
- const container = this.container;
- const topLeft = currentPageView.getPagePoint(
- container.scrollLeft - firstPage.x,
- container.scrollTop - firstPage.y
- );
- const intLeft = Math.round(topLeft[0]);
- const intTop = Math.round(topLeft[1]);
- let pdfOpenParams = `#page=${pageNumber}`;
- if (!this.isInPresentationMode) {
- pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`;
- }
- this._location = {
- pageNumber,
- scale: normalizedScaleValue,
- top: intTop,
- left: intLeft,
- rotation: this._pagesRotation,
- pdfOpenParams,
- };
- }
- update() {
- const visible = this._getVisiblePages();
- const visiblePages = visible.views,
- numVisiblePages = visiblePages.length;
- if (numVisiblePages === 0) {
- return;
- }
- const newCacheSize = Math.max(
- DEFAULT_CACHE_SIZE,
- 2 * numVisiblePages + 1
- );
- this.#buffer.resize(newCacheSize, visible.ids);
- this.renderingQueue.renderHighestPriority(visible);
- const isSimpleLayout =
- this._spreadMode === _ui_utils.SpreadMode.NONE &&
- (this._scrollMode === _ui_utils.ScrollMode.PAGE ||
- this._scrollMode === _ui_utils.ScrollMode.VERTICAL);
- const currentId = this._currentPageNumber;
- let stillFullyVisible = false;
- for (const page of visiblePages) {
- if (page.percent < 100) {
- break;
- }
- if (page.id === currentId && isSimpleLayout) {
- stillFullyVisible = true;
- break;
- }
- }
- this._setCurrentPageNumber(
- stillFullyVisible ? currentId : visiblePages[0].id
- );
- this._updateLocation(visible.first);
- this.eventBus.dispatch("updateviewarea", {
- source: this,
- location: this._location,
- });
- }
- containsElement(element) {
- return this.container.contains(element);
- }
- focus() {
- this.container.focus();
- }
- get _isContainerRtl() {
- return getComputedStyle(this.container).direction === "rtl";
- }
- get isInPresentationMode() {
- return (
- this.presentationModeState ===
- _ui_utils.PresentationModeState.FULLSCREEN
- );
- }
- get isChangingPresentationMode() {
- return (
- this.presentationModeState ===
- _ui_utils.PresentationModeState.CHANGING
- );
- }
- get isHorizontalScrollbarEnabled() {
- return this.isInPresentationMode
- ? false
- : this.container.scrollWidth > this.container.clientWidth;
- }
- get isVerticalScrollbarEnabled() {
- return this.isInPresentationMode
- ? false
- : this.container.scrollHeight > this.container.clientHeight;
- }
- _getVisiblePages() {
- const views =
- this._scrollMode === _ui_utils.ScrollMode.PAGE
- ? this.#scrollModePageState.pages
- : this._pages,
- horizontal = this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL,
- rtl = horizontal && this._isContainerRtl;
- return (0, _ui_utils.getVisibleElements)({
- scrollEl: this.container,
- views,
- sortByVisibility: true,
- horizontal,
- rtl,
- });
- }
- isPageVisible(pageNumber) {
- if (!this.pdfDocument) {
- return false;
- }
- if (
- !(
- Number.isInteger(pageNumber) &&
- pageNumber > 0 &&
- pageNumber <= this.pagesCount
- )
- ) {
- console.error(
- `isPageVisible: "${pageNumber}" is not a valid page.`
- );
- return false;
- }
- return this._getVisiblePages().ids.has(pageNumber);
- }
- isPageCached(pageNumber) {
- if (!this.pdfDocument) {
- return false;
- }
- if (
- !(
- Number.isInteger(pageNumber) &&
- pageNumber > 0 &&
- pageNumber <= this.pagesCount
- )
- ) {
- console.error(`isPageCached: "${pageNumber}" is not a valid page.`);
- return false;
- }
- const pageView = this._pages[pageNumber - 1];
- return this.#buffer.has(pageView);
- }
- cleanup() {
- for (const pageView of this._pages) {
- if (
- pageView.renderingState !== _ui_utils.RenderingStates.FINISHED
- ) {
- pageView.reset();
- }
- }
- }
- _cancelRendering() {
- for (const pageView of this._pages) {
- pageView.cancelRendering();
- }
- }
- async #ensurePdfPageLoaded(pageView) {
- if (pageView.pdfPage) {
- return pageView.pdfPage;
- }
- try {
- const pdfPage = await this.pdfDocument.getPage(pageView.id);
- if (!pageView.pdfPage) {
- pageView.setPdfPage(pdfPage);
- }
- if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) {
- this.linkService.cachePageRef(pageView.id, pdfPage.ref);
- }
- return pdfPage;
- } catch (reason) {
- console.error("Unable to get page for page view", reason);
- return null;
- }
- }
- #getScrollAhead(visible) {
- if (visible.first?.id === 1) {
- return true;
- } else if (visible.last?.id === this.pagesCount) {
- return false;
- }
- switch (this._scrollMode) {
- case _ui_utils.ScrollMode.PAGE:
- return this.#scrollModePageState.scrollDown;
- case _ui_utils.ScrollMode.HORIZONTAL:
- return this.scroll.right;
- }
- return this.scroll.down;
- }
- forceRendering(currentlyVisiblePages) {
- const visiblePages = currentlyVisiblePages || this._getVisiblePages();
- const scrollAhead = this.#getScrollAhead(visiblePages);
- const preRenderExtra =
- this._spreadMode !== _ui_utils.SpreadMode.NONE &&
- this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL;
- const pageView = this.renderingQueue.getHighestPriority(
- visiblePages,
- this._pages,
- scrollAhead,
- preRenderExtra
- );
- if (pageView) {
- this.#ensurePdfPageLoaded(pageView).then(() => {
- this.renderingQueue.renderView(pageView);
- });
- return true;
- }
- return false;
- }
- get hasEqualPageSizes() {
- const firstPageView = this._pages[0];
- for (let i = 1, ii = this._pages.length; i < ii; ++i) {
- const pageView = this._pages[i];
- if (
- pageView.width !== firstPageView.width ||
- pageView.height !== firstPageView.height
- ) {
- return false;
- }
- }
- return true;
- }
- getPagesOverview() {
- return this._pages.map((pageView) => {
- const viewport = pageView.pdfPage.getViewport({
- scale: 1,
- });
- if (
- !this.enablePrintAutoRotate ||
- (0, _ui_utils.isPortraitOrientation)(viewport)
- ) {
- return {
- width: viewport.width,
- height: viewport.height,
- rotation: viewport.rotation,
- };
- }
- return {
- width: viewport.height,
- height: viewport.width,
- rotation: (viewport.rotation - 90) % 360,
- };
- });
- }
- get optionalContentConfigPromise() {
- if (!this.pdfDocument) {
- return Promise.resolve(null);
- }
- if (!this._optionalContentConfigPromise) {
- console.error("optionalContentConfigPromise: Not initialized yet.");
- return this.pdfDocument.getOptionalContentConfig();
- }
- return this._optionalContentConfigPromise;
- }
- set optionalContentConfigPromise(promise) {
- if (!(promise instanceof Promise)) {
- throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
- }
- if (!this.pdfDocument) {
- return;
- }
- if (!this._optionalContentConfigPromise) {
- return;
- }
- this._optionalContentConfigPromise = promise;
- this.refresh(false, {
- optionalContentConfigPromise: promise,
- });
- this.eventBus.dispatch("optionalcontentconfigchanged", {
- source: this,
- promise,
- });
- }
- get scrollMode() {
- return this._scrollMode;
- }
- set scrollMode(mode) {
- if (this._scrollMode === mode) {
- return;
- }
- if (!(0, _ui_utils.isValidScrollMode)(mode)) {
- throw new Error(`Invalid scroll mode: ${mode}`);
- }
- if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) {
- return;
- }
- this._previousScrollMode = this._scrollMode;
- this._scrollMode = mode;
- this.eventBus.dispatch("scrollmodechanged", {
- source: this,
- mode,
- });
- this._updateScrollMode(this._currentPageNumber);
- }
- _updateScrollMode(pageNumber = null) {
- const scrollMode = this._scrollMode,
- viewer = this.viewer;
- viewer.classList.toggle(
- "scrollHorizontal",
- scrollMode === _ui_utils.ScrollMode.HORIZONTAL
- );
- viewer.classList.toggle(
- "scrollWrapped",
- scrollMode === _ui_utils.ScrollMode.WRAPPED
- );
- if (!this.pdfDocument || !pageNumber) {
- return;
- }
- if (scrollMode === _ui_utils.ScrollMode.PAGE) {
- this.#ensurePageViewVisible();
- } else if (this._previousScrollMode === _ui_utils.ScrollMode.PAGE) {
- this._updateSpreadMode();
- }
- if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
- this.#setScale(this._currentScaleValue, {
- noScroll: true,
- });
- }
- this._setCurrentPageNumber(pageNumber, true);
- this.update();
- }
- get spreadMode() {
- return this._spreadMode;
- }
- set spreadMode(mode) {
- if (this._spreadMode === mode) {
- return;
- }
- if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
- throw new Error(`Invalid spread mode: ${mode}`);
- }
- this._spreadMode = mode;
- this.eventBus.dispatch("spreadmodechanged", {
- source: this,
- mode,
- });
- this._updateSpreadMode(this._currentPageNumber);
- }
- _updateSpreadMode(pageNumber = null) {
- if (!this.pdfDocument) {
- return;
- }
- const viewer = this.viewer,
- pages = this._pages;
- if (this._scrollMode === _ui_utils.ScrollMode.PAGE) {
- this.#ensurePageViewVisible();
- } else {
- viewer.textContent = "";
- if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
- for (const pageView of this._pages) {
- viewer.append(pageView.div);
- }
- } else {
- const parity = this._spreadMode - 1;
- let spread = null;
- for (let i = 0, ii = pages.length; i < ii; ++i) {
- if (spread === null) {
- spread = document.createElement("div");
- spread.className = "spread";
- viewer.append(spread);
- } else if (i % 2 === parity) {
- spread = spread.cloneNode(false);
- viewer.append(spread);
- }
- spread.append(pages[i].div);
- }
- }
- }
- if (!pageNumber) {
- return;
- }
- if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
- this.#setScale(this._currentScaleValue, {
- noScroll: true,
- });
- }
- this._setCurrentPageNumber(pageNumber, true);
- this.update();
- }
- _getPageAdvance(currentPageNumber, previous = false) {
- switch (this._scrollMode) {
- case _ui_utils.ScrollMode.WRAPPED: {
- const { views } = this._getVisiblePages(),
- pageLayout = new Map();
- for (const { id, y, percent, widthPercent } of views) {
- if (percent === 0 || widthPercent < 100) {
- continue;
- }
- let yArray = pageLayout.get(y);
- if (!yArray) {
- pageLayout.set(y, (yArray ||= []));
- }
- yArray.push(id);
- }
- for (const yArray of pageLayout.values()) {
- const currentIndex = yArray.indexOf(currentPageNumber);
- if (currentIndex === -1) {
- continue;
- }
- const numPages = yArray.length;
- if (numPages === 1) {
- break;
- }
- if (previous) {
- for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
- const currentId = yArray[i],
- expectedId = yArray[i + 1] - 1;
- if (currentId < expectedId) {
- return currentPageNumber - expectedId;
- }
- }
- } else {
- for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
- const currentId = yArray[i],
- expectedId = yArray[i - 1] + 1;
- if (currentId > expectedId) {
- return expectedId - currentPageNumber;
- }
- }
- }
- if (previous) {
- const firstId = yArray[0];
- if (firstId < currentPageNumber) {
- return currentPageNumber - firstId + 1;
- }
- } else {
- const lastId = yArray[numPages - 1];
- if (lastId > currentPageNumber) {
- return lastId - currentPageNumber + 1;
- }
- }
- break;
- }
- break;
- }
- case _ui_utils.ScrollMode.HORIZONTAL: {
- break;
- }
- case _ui_utils.ScrollMode.PAGE:
- case _ui_utils.ScrollMode.VERTICAL: {
- if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
- break;
- }
- const parity = this._spreadMode - 1;
- if (previous && currentPageNumber % 2 !== parity) {
- break;
- } else if (!previous && currentPageNumber % 2 === parity) {
- break;
- }
- const { views } = this._getVisiblePages(),
- expectedId = previous
- ? currentPageNumber - 1
- : currentPageNumber + 1;
- for (const { id, percent, widthPercent } of views) {
- if (id !== expectedId) {
- continue;
- }
- if (percent > 0 && widthPercent === 100) {
- return 2;
- }
- break;
- }
- break;
- }
- }
- return 1;
- }
- nextPage() {
- const currentPageNumber = this._currentPageNumber,
- pagesCount = this.pagesCount;
- if (currentPageNumber >= pagesCount) {
- return false;
- }
- const advance = this._getPageAdvance(currentPageNumber, false) || 1;
- this.currentPageNumber = Math.min(
- currentPageNumber + advance,
- pagesCount
- );
- return true;
- }
- previousPage() {
- const currentPageNumber = this._currentPageNumber;
- if (currentPageNumber <= 1) {
- return false;
- }
- const advance = this._getPageAdvance(currentPageNumber, true) || 1;
- this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
- return true;
- }
- increaseScale({ drawingDelay, scaleFactor, steps } = {}) {
- if (!this.pdfDocument) {
- return;
- }
- let newScale = this._currentScale;
- if (scaleFactor > 1) {
- newScale = Math.round(newScale * scaleFactor * 100) / 100;
- } else {
- steps ??= 1;
- do {
- newScale =
- Math.ceil(
- (newScale * _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2) * 10
- ) / 10;
- } while (--steps > 0 && newScale < _ui_utils.MAX_SCALE);
- }
- this.#setScale(Math.min(_ui_utils.MAX_SCALE, newScale), {
- noScroll: false,
- drawingDelay,
- });
- }
- decreaseScale({ drawingDelay, scaleFactor, steps } = {}) {
- if (!this.pdfDocument) {
- return;
- }
- let newScale = this._currentScale;
- if (scaleFactor > 0 && scaleFactor < 1) {
- newScale = Math.round(newScale * scaleFactor * 100) / 100;
- } else {
- steps ??= 1;
- do {
- newScale =
- Math.floor(
- (newScale / _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2) * 10
- ) / 10;
- } while (--steps > 0 && newScale > _ui_utils.MIN_SCALE);
- }
- this.#setScale(Math.max(_ui_utils.MIN_SCALE, newScale), {
- noScroll: false,
- drawingDelay,
- });
- }
- #updateContainerHeightCss(height = this.container.clientHeight) {
- if (height !== this.#previousContainerHeight) {
- this.#previousContainerHeight = height;
- _ui_utils.docStyle.setProperty(
- "--viewer-container-height",
- `${height}px`
- );
- }
- }
- #resizeObserverCallback(entries) {
- for (const entry of entries) {
- if (entry.target === this.container) {
- this.#updateContainerHeightCss(
- Math.floor(entry.borderBoxSize[0].blockSize)
- );
- this.#containerTopLeft = null;
- break;
- }
- }
- }
- get containerTopLeft() {
- return (this.#containerTopLeft ||= [
- this.container.offsetTop,
- this.container.offsetLeft,
- ]);
- }
- get annotationEditorMode() {
- return this.#annotationEditorUIManager
- ? this.#annotationEditorMode
- : _pdfjsLib.AnnotationEditorType.DISABLE;
- }
- set annotationEditorMode(mode) {
- if (!this.#annotationEditorUIManager) {
- throw new Error(`The AnnotationEditor is not enabled.`);
- }
- if (this.#annotationEditorMode === mode) {
- return;
- }
- if (!isValidAnnotationEditorMode(mode)) {
- throw new Error(`Invalid AnnotationEditor mode: ${mode}`);
- }
- if (!this.pdfDocument) {
- return;
- }
- this.#annotationEditorMode = mode;
- this.eventBus.dispatch("annotationeditormodechanged", {
- source: this,
- mode,
- });
- this.#annotationEditorUIManager.updateMode(mode);
- }
- set annotationEditorParams({ type, value }) {
- if (!this.#annotationEditorUIManager) {
- throw new Error(`The AnnotationEditor is not enabled.`);
- }
- this.#annotationEditorUIManager.updateParams(type, value);
- }
- refresh(noUpdate = false, updateArgs = Object.create(null)) {
- if (!this.pdfDocument) {
- return;
- }
- for (const pageView of this._pages) {
- pageView.update(updateArgs);
- }
- if (this.#scaleTimeoutId !== null) {
- clearTimeout(this.#scaleTimeoutId);
- this.#scaleTimeoutId = null;
- }
- if (!noUpdate) {
- this.update();
- }
- }
- }
- exports.PDFViewer = PDFViewer;
- /***/
- },
- /* 30 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.NullL10n = void 0;
- exports.fixupLangCode = fixupLangCode;
- exports.getL10nFallback = getL10nFallback;
- const DEFAULT_L10N_STRINGS = {
- of_pages: "of {{pagesCount}}",
- page_of_pages: "({{pageNumber}} of {{pagesCount}})",
- document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)",
- document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)",
- document_properties_date_string: "{{date}}, {{time}}",
- document_properties_page_size_unit_inches: "in",
- document_properties_page_size_unit_millimeters: "mm",
- document_properties_page_size_orientation_portrait: "portrait",
- document_properties_page_size_orientation_landscape: "landscape",
- document_properties_page_size_name_a3: "A3",
- document_properties_page_size_name_a4: "A4",
- document_properties_page_size_name_letter: "Letter",
- document_properties_page_size_name_legal: "Legal",
- document_properties_page_size_dimension_string:
- "{{width}} × {{height}} {{unit}} ({{orientation}})",
- document_properties_page_size_dimension_name_string:
- "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})",
- document_properties_linearized_yes: "Yes",
- document_properties_linearized_no: "No",
- additional_layers: "Additional Layers",
- page_landmark: "Page {{page}}",
- thumb_page_title: "Page {{page}}",
- thumb_page_canvas: "Thumbnail of Page {{page}}",
- find_reached_top: "Reached top of document, continued from bottom",
- find_reached_bottom: "Reached end of document, continued from top",
- "find_match_count[one]": "{{current}} of {{total}} match",
- "find_match_count[other]": "{{current}} of {{total}} matches",
- "find_match_count_limit[one]": "More than {{limit}} match",
- "find_match_count_limit[other]": "More than {{limit}} matches",
- find_not_found: "Phrase not found",
- page_scale_width: "Page Width",
- page_scale_fit: "Page Fit",
- page_scale_auto: "Automatic Zoom",
- page_scale_actual: "Actual Size",
- page_scale_percent: "{{scale}}%",
- loading_error: "An error occurred while loading the PDF.",
- invalid_file_error: "Invalid or corrupted PDF file.",
- missing_file_error: "Missing PDF file.",
- unexpected_response_error: "Unexpected server response.",
- rendering_error: "An error occurred while rendering the page.",
- printing_not_supported:
- "Warning: Printing is not fully supported by this browser.",
- printing_not_ready:
- "Warning: The PDF is not fully loaded for printing.",
- web_fonts_disabled:
- "Web fonts are disabled: unable to use embedded PDF fonts.",
- free_text2_default_content: "Start typing…",
- editor_free_text2_aria_label: "Text Editor",
- editor_ink2_aria_label: "Draw Editor",
- editor_ink_canvas_aria_label: "User-created image",
- };
- {
- DEFAULT_L10N_STRINGS.print_progress_percent = "{{progress}}%";
- }
- function getL10nFallback(key, args) {
- switch (key) {
- case "find_match_count":
- key = `find_match_count[${args.total === 1 ? "one" : "other"}]`;
- break;
- case "find_match_count_limit":
- key = `find_match_count_limit[${
- args.limit === 1 ? "one" : "other"
- }]`;
- break;
- }
- return DEFAULT_L10N_STRINGS[key] || "";
- }
- const PARTIAL_LANG_CODES = {
- en: "en-US",
- es: "es-ES",
- fy: "fy-NL",
- ga: "ga-IE",
- gu: "gu-IN",
- hi: "hi-IN",
- hy: "hy-AM",
- nb: "nb-NO",
- ne: "ne-NP",
- nn: "nn-NO",
- pa: "pa-IN",
- pt: "pt-PT",
- sv: "sv-SE",
- zh: "zh-CN",
- };
- function fixupLangCode(langCode) {
- return PARTIAL_LANG_CODES[langCode?.toLowerCase()] || langCode;
- }
- function formatL10nValue(text, args) {
- if (!args) {
- return text;
- }
- return text.replaceAll(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
- return name in args ? args[name] : "{{" + name + "}}";
- });
- }
- const NullL10n = {
- async getLanguage() {
- return "en-us";
- },
- async getDirection() {
- return "ltr";
- },
- async get(key, args = null, fallback = getL10nFallback(key, args)) {
- return formatL10nValue(fallback, args);
- },
- async translate(element) {},
- };
- exports.NullL10n = NullL10n;
- /***/
- },
- /* 31 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFPageView = void 0;
- var _pdfjsLib = __webpack_require__(4);
- var _ui_utils = __webpack_require__(3);
- var _annotation_editor_layer_builder = __webpack_require__(32);
- var _annotation_layer_builder = __webpack_require__(33);
- var _app_options = __webpack_require__(5);
- var _l10n_utils = __webpack_require__(30);
- var _pdf_link_service = __webpack_require__(7);
- var _struct_tree_layer_builder = __webpack_require__(34);
- var _text_accessibility = __webpack_require__(35);
- var _text_highlighter = __webpack_require__(36);
- var _text_layer_builder = __webpack_require__(37);
- var _xfa_layer_builder = __webpack_require__(38);
- const MAX_CANVAS_PIXELS =
- _app_options.compatibilityParams.maxCanvasPixels || 16777216;
- const DEFAULT_LAYER_PROPERTIES = () => {
- return null;
- };
- class PDFPageView {
- #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS;
- #layerProperties = null;
- #loadingId = null;
- #previousRotation = null;
- #renderingState = _ui_utils.RenderingStates.INITIAL;
- #useThumbnailCanvas = {
- initialOptionalContent: true,
- regularAnnotations: true,
- };
- constructor(options) {
- const container = options.container;
- const defaultViewport = options.defaultViewport;
- this.id = options.id;
- this.renderingId = "page" + this.id;
- this.#layerProperties =
- options.layerProperties || DEFAULT_LAYER_PROPERTIES;
- this.pdfPage = null;
- this.pageLabel = null;
- this.rotation = 0;
- this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
- this.viewport = defaultViewport;
- this.pdfPageRotate = defaultViewport.rotation;
- this._optionalContentConfigPromise =
- options.optionalContentConfigPromise || null;
- this.hasRestrictedScaling = false;
- this.textLayerMode =
- options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE;
- this.#annotationMode =
- options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS;
- this.imageResourcesPath = options.imageResourcesPath || "";
- this.useOnlyCssZoom = options.useOnlyCssZoom || false;
- this.isOffscreenCanvasSupported =
- options.isOffscreenCanvasSupported ?? true;
- this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
- this.pageColors = options.pageColors || null;
- this.eventBus = options.eventBus;
- this.renderingQueue = options.renderingQueue;
- this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
- this.l10n = options.l10n || _l10n_utils.NullL10n;
- this.paintTask = null;
- this.paintedViewportMap = new WeakMap();
- this.resume = null;
- this._renderError = null;
- this._isStandalone = !this.renderingQueue?.hasViewer();
- this._annotationCanvasMap = null;
- this.annotationLayer = null;
- this.annotationEditorLayer = null;
- this.textLayer = null;
- this.zoomLayer = null;
- this.xfaLayer = null;
- this.structTreeLayer = null;
- const div = document.createElement("div");
- div.className = "page";
- div.setAttribute("data-page-number", this.id);
- div.setAttribute("role", "region");
- this.l10n
- .get("page_landmark", {
- page: this.id,
- })
- .then((msg) => {
- div.setAttribute("aria-label", msg);
- });
- this.div = div;
- this.#setDimensions();
- container?.append(div);
- if (this._isStandalone) {
- container?.style.setProperty(
- "--scale-factor",
- this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS
- );
- const { optionalContentConfigPromise } = options;
- if (optionalContentConfigPromise) {
- optionalContentConfigPromise.then((optionalContentConfig) => {
- if (
- optionalContentConfigPromise !==
- this._optionalContentConfigPromise
- ) {
- return;
- }
- this.#useThumbnailCanvas.initialOptionalContent =
- optionalContentConfig.hasInitialVisibility;
- });
- }
- }
- }
- get renderingState() {
- return this.#renderingState;
- }
- set renderingState(state) {
- if (state === this.#renderingState) {
- return;
- }
- this.#renderingState = state;
- if (this.#loadingId) {
- clearTimeout(this.#loadingId);
- this.#loadingId = null;
- }
- switch (state) {
- case _ui_utils.RenderingStates.PAUSED:
- this.div.classList.remove("loading");
- break;
- case _ui_utils.RenderingStates.RUNNING:
- this.div.classList.add("loadingIcon");
- this.#loadingId = setTimeout(() => {
- this.div.classList.add("loading");
- this.#loadingId = null;
- }, 0);
- break;
- case _ui_utils.RenderingStates.INITIAL:
- case _ui_utils.RenderingStates.FINISHED:
- this.div.classList.remove("loadingIcon", "loading");
- break;
- }
- }
- #setDimensions() {
- const { viewport } = this;
- if (this.pdfPage) {
- if (this.#previousRotation === viewport.rotation) {
- return;
- }
- this.#previousRotation = viewport.rotation;
- }
- (0, _pdfjsLib.setLayerDimensions)(this.div, viewport, true, false);
- }
- setPdfPage(pdfPage) {
- this.pdfPage = pdfPage;
- this.pdfPageRotate = pdfPage.rotate;
- const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = pdfPage.getViewport({
- scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
- rotation: totalRotation,
- });
- this.#setDimensions();
- this.reset();
- }
- destroy() {
- this.reset();
- this.pdfPage?.cleanup();
- }
- get _textHighlighter() {
- return (0, _pdfjsLib.shadow)(
- this,
- "_textHighlighter",
- new _text_highlighter.TextHighlighter({
- pageIndex: this.id - 1,
- eventBus: this.eventBus,
- findController: this.#layerProperties().findController,
- })
- );
- }
- async #renderAnnotationLayer() {
- let error = null;
- try {
- await this.annotationLayer.render(this.viewport, "display");
- } catch (ex) {
- console.error(`#renderAnnotationLayer: "${ex}".`);
- error = ex;
- } finally {
- this.eventBus.dispatch("annotationlayerrendered", {
- source: this,
- pageNumber: this.id,
- error,
- });
- }
- }
- async #renderAnnotationEditorLayer() {
- let error = null;
- try {
- await this.annotationEditorLayer.render(this.viewport, "display");
- } catch (ex) {
- console.error(`#renderAnnotationEditorLayer: "${ex}".`);
- error = ex;
- } finally {
- this.eventBus.dispatch("annotationeditorlayerrendered", {
- source: this,
- pageNumber: this.id,
- error,
- });
- }
- }
- async #renderXfaLayer() {
- let error = null;
- try {
- const result = await this.xfaLayer.render(this.viewport, "display");
- if (result?.textDivs && this._textHighlighter) {
- this.#buildXfaTextContentItems(result.textDivs);
- }
- } catch (ex) {
- console.error(`#renderXfaLayer: "${ex}".`);
- error = ex;
- } finally {
- this.eventBus.dispatch("xfalayerrendered", {
- source: this,
- pageNumber: this.id,
- error,
- });
- }
- }
- async #renderTextLayer() {
- const { pdfPage, textLayer, viewport } = this;
- if (!textLayer) {
- return;
- }
- let error = null;
- try {
- if (!textLayer.renderingDone) {
- const readableStream = pdfPage.streamTextContent({
- includeMarkedContent: true,
- });
- textLayer.setTextContentSource(readableStream);
- }
- await textLayer.render(viewport);
- } catch (ex) {
- if (ex instanceof _pdfjsLib.AbortException) {
- return;
- }
- console.error(`#renderTextLayer: "${ex}".`);
- error = ex;
- }
- this.eventBus.dispatch("textlayerrendered", {
- source: this,
- pageNumber: this.id,
- numTextDivs: textLayer.numTextDivs,
- error,
- });
- this.#renderStructTreeLayer();
- }
- async #renderStructTreeLayer() {
- if (!this.textLayer) {
- return;
- }
- this.structTreeLayer ||=
- new _struct_tree_layer_builder.StructTreeLayerBuilder();
- const tree = await (!this.structTreeLayer.renderingDone
- ? this.pdfPage.getStructTree()
- : null);
- const treeDom = this.structTreeLayer?.render(tree);
- if (treeDom) {
- this.canvas?.append(treeDom);
- }
- this.structTreeLayer?.show();
- }
- async #buildXfaTextContentItems(textDivs) {
- const text = await this.pdfPage.getTextContent();
- const items = [];
- for (const item of text.items) {
- items.push(item.str);
- }
- this._textHighlighter.setTextMapping(textDivs, items);
- this._textHighlighter.enable();
- }
- _resetZoomLayer(removeFromDOM = false) {
- if (!this.zoomLayer) {
- return;
- }
- const zoomLayerCanvas = this.zoomLayer.firstChild;
- this.paintedViewportMap.delete(zoomLayerCanvas);
- zoomLayerCanvas.width = 0;
- zoomLayerCanvas.height = 0;
- if (removeFromDOM) {
- this.zoomLayer.remove();
- }
- this.zoomLayer = null;
- }
- reset({
- keepZoomLayer = false,
- keepAnnotationLayer = false,
- keepAnnotationEditorLayer = false,
- keepXfaLayer = false,
- keepTextLayer = false,
- } = {}) {
- this.cancelRendering({
- keepAnnotationLayer,
- keepAnnotationEditorLayer,
- keepXfaLayer,
- keepTextLayer,
- });
- this.renderingState = _ui_utils.RenderingStates.INITIAL;
- const div = this.div;
- const childNodes = div.childNodes,
- zoomLayerNode = (keepZoomLayer && this.zoomLayer) || null,
- annotationLayerNode =
- (keepAnnotationLayer && this.annotationLayer?.div) || null,
- annotationEditorLayerNode =
- (keepAnnotationEditorLayer && this.annotationEditorLayer?.div) ||
- null,
- xfaLayerNode = (keepXfaLayer && this.xfaLayer?.div) || null,
- textLayerNode = (keepTextLayer && this.textLayer?.div) || null;
- for (let i = childNodes.length - 1; i >= 0; i--) {
- const node = childNodes[i];
- switch (node) {
- case zoomLayerNode:
- case annotationLayerNode:
- case annotationEditorLayerNode:
- case xfaLayerNode:
- case textLayerNode:
- continue;
- }
- node.remove();
- }
- div.removeAttribute("data-loaded");
- if (annotationLayerNode) {
- this.annotationLayer.hide();
- }
- if (annotationEditorLayerNode) {
- this.annotationEditorLayer.hide();
- }
- if (xfaLayerNode) {
- this.xfaLayer.hide();
- }
- if (textLayerNode) {
- this.textLayer.hide();
- }
- this.structTreeLayer?.hide();
- if (!zoomLayerNode) {
- if (this.canvas) {
- this.paintedViewportMap.delete(this.canvas);
- this.canvas.width = 0;
- this.canvas.height = 0;
- delete this.canvas;
- }
- this._resetZoomLayer();
- }
- if (this.svg) {
- this.paintedViewportMap.delete(this.svg);
- delete this.svg;
- }
- }
- update({
- scale = 0,
- rotation = null,
- optionalContentConfigPromise = null,
- drawingDelay = -1,
- }) {
- this.scale = scale || this.scale;
- if (typeof rotation === "number") {
- this.rotation = rotation;
- }
- if (optionalContentConfigPromise instanceof Promise) {
- this._optionalContentConfigPromise = optionalContentConfigPromise;
- optionalContentConfigPromise.then((optionalContentConfig) => {
- if (
- optionalContentConfigPromise !==
- this._optionalContentConfigPromise
- ) {
- return;
- }
- this.#useThumbnailCanvas.initialOptionalContent =
- optionalContentConfig.hasInitialVisibility;
- });
- }
- const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
- this.viewport = this.viewport.clone({
- scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
- rotation: totalRotation,
- });
- this.#setDimensions();
- if (this._isStandalone) {
- this.div.parentNode?.style.setProperty(
- "--scale-factor",
- this.viewport.scale
- );
- }
- if (this.svg) {
- this.cssTransform({
- target: this.svg,
- redrawAnnotationLayer: true,
- redrawAnnotationEditorLayer: true,
- redrawXfaLayer: true,
- redrawTextLayer: true,
- });
- this.eventBus.dispatch("pagerendered", {
- source: this,
- pageNumber: this.id,
- cssTransform: true,
- timestamp: performance.now(),
- error: this._renderError,
- });
- return;
- }
- let isScalingRestricted = false;
- if (this.canvas && this.maxCanvasPixels > 0) {
- const outputScale = this.outputScale;
- if (
- ((Math.floor(this.viewport.width) * outputScale.sx) | 0) *
- ((Math.floor(this.viewport.height) * outputScale.sy) | 0) >
- this.maxCanvasPixels
- ) {
- isScalingRestricted = true;
- }
- }
- const onlyCssZoom =
- this.useOnlyCssZoom ||
- (this.hasRestrictedScaling && isScalingRestricted);
- const postponeDrawing =
- !onlyCssZoom && drawingDelay >= 0 && drawingDelay < 1000;
- if (this.canvas) {
- if (postponeDrawing || onlyCssZoom) {
- if (
- postponeDrawing &&
- this.renderingState !== _ui_utils.RenderingStates.FINISHED
- ) {
- this.cancelRendering({
- keepZoomLayer: true,
- keepAnnotationLayer: true,
- keepAnnotationEditorLayer: true,
- keepXfaLayer: true,
- keepTextLayer: true,
- cancelExtraDelay: drawingDelay,
- });
- this.renderingState = _ui_utils.RenderingStates.FINISHED;
- }
- this.cssTransform({
- target: this.canvas,
- redrawAnnotationLayer: true,
- redrawAnnotationEditorLayer: true,
- redrawXfaLayer: true,
- redrawTextLayer: !postponeDrawing,
- hideTextLayer: postponeDrawing,
- });
- this.eventBus.dispatch("pagerendered", {
- source: this,
- pageNumber: this.id,
- cssTransform: true,
- timestamp: performance.now(),
- error: this._renderError,
- });
- return;
- }
- if (!this.zoomLayer && !this.canvas.hidden) {
- this.zoomLayer = this.canvas.parentNode;
- this.zoomLayer.style.position = "absolute";
- }
- }
- if (this.zoomLayer) {
- this.cssTransform({
- target: this.zoomLayer.firstChild,
- });
- }
- this.reset({
- keepZoomLayer: true,
- keepAnnotationLayer: true,
- keepAnnotationEditorLayer: true,
- keepXfaLayer: true,
- keepTextLayer: true,
- });
- }
- cancelRendering({
- keepAnnotationLayer = false,
- keepAnnotationEditorLayer = false,
- keepXfaLayer = false,
- keepTextLayer = false,
- cancelExtraDelay = 0,
- } = {}) {
- if (this.paintTask) {
- this.paintTask.cancel(cancelExtraDelay);
- this.paintTask = null;
- }
- this.resume = null;
- if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) {
- this.textLayer.cancel();
- this.textLayer = null;
- }
- if (this.structTreeLayer && !this.textLayer) {
- this.structTreeLayer = null;
- }
- if (
- this.annotationLayer &&
- (!keepAnnotationLayer || !this.annotationLayer.div)
- ) {
- this.annotationLayer.cancel();
- this.annotationLayer = null;
- this._annotationCanvasMap = null;
- }
- if (
- this.annotationEditorLayer &&
- (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)
- ) {
- this.annotationEditorLayer.cancel();
- this.annotationEditorLayer = null;
- }
- if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) {
- this.xfaLayer.cancel();
- this.xfaLayer = null;
- this._textHighlighter?.disable();
- }
- }
- cssTransform({
- target,
- redrawAnnotationLayer = false,
- redrawAnnotationEditorLayer = false,
- redrawXfaLayer = false,
- redrawTextLayer = false,
- hideTextLayer = false,
- }) {
- if (target instanceof HTMLCanvasElement) {
- if (!target.hasAttribute("zooming")) {
- target.setAttribute("zooming", true);
- const { style } = target;
- style.width = style.height = "";
- }
- } else {
- const div = this.div;
- const { width, height } = this.viewport;
- target.style.width =
- target.parentNode.style.width =
- div.style.width =
- Math.floor(width) + "px";
- target.style.height =
- target.parentNode.style.height =
- div.style.height =
- Math.floor(height) + "px";
- }
- const originalViewport = this.paintedViewportMap.get(target);
- if (this.viewport !== originalViewport) {
- const relativeRotation =
- this.viewport.rotation - originalViewport.rotation;
- const absRotation = Math.abs(relativeRotation);
- let scaleX = 1,
- scaleY = 1;
- if (absRotation === 90 || absRotation === 270) {
- const { width, height } = this.viewport;
- scaleX = height / width;
- scaleY = width / height;
- }
- target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`;
- }
- if (redrawAnnotationLayer && this.annotationLayer) {
- this.#renderAnnotationLayer();
- }
- if (redrawAnnotationEditorLayer && this.annotationEditorLayer) {
- this.#renderAnnotationEditorLayer();
- }
- if (redrawXfaLayer && this.xfaLayer) {
- this.#renderXfaLayer();
- }
- if (this.textLayer) {
- if (hideTextLayer) {
- this.textLayer.hide();
- this.structTreeLayer?.hide();
- } else if (redrawTextLayer) {
- this.#renderTextLayer();
- }
- }
- }
- get width() {
- return this.viewport.width;
- }
- get height() {
- return this.viewport.height;
- }
- getPagePoint(x, y) {
- return this.viewport.convertToPdfPoint(x, y);
- }
- draw() {
- if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) {
- console.error("Must be in new state before drawing");
- this.reset();
- }
- const { div, pdfPage } = this;
- if (!pdfPage) {
- this.renderingState = _ui_utils.RenderingStates.FINISHED;
- return Promise.reject(new Error("pdfPage is not loaded"));
- }
- this.renderingState = _ui_utils.RenderingStates.RUNNING;
- const canvasWrapper = document.createElement("div");
- canvasWrapper.classList.add("canvasWrapper");
- div.append(canvasWrapper);
- if (
- !this.textLayer &&
- this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE &&
- !pdfPage.isPureXfa
- ) {
- this._accessibilityManager ||=
- new _text_accessibility.TextAccessibilityManager();
- this.textLayer = new _text_layer_builder.TextLayerBuilder({
- highlighter: this._textHighlighter,
- accessibilityManager: this._accessibilityManager,
- isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
- });
- div.append(this.textLayer.div);
- }
- if (
- !this.annotationLayer &&
- this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE
- ) {
- const {
- annotationStorage,
- downloadManager,
- enableScripting,
- fieldObjectsPromise,
- hasJSActionsPromise,
- linkService,
- } = this.#layerProperties();
- this._annotationCanvasMap ||= new Map();
- this.annotationLayer =
- new _annotation_layer_builder.AnnotationLayerBuilder({
- pageDiv: div,
- pdfPage,
- annotationStorage,
- imageResourcesPath: this.imageResourcesPath,
- renderForms:
- this.#annotationMode ===
- _pdfjsLib.AnnotationMode.ENABLE_FORMS,
- linkService,
- downloadManager,
- l10n: this.l10n,
- enableScripting,
- hasJSActionsPromise,
- fieldObjectsPromise,
- annotationCanvasMap: this._annotationCanvasMap,
- accessibilityManager: this._accessibilityManager,
- });
- }
- let renderContinueCallback = null;
- if (this.renderingQueue) {
- renderContinueCallback = (cont) => {
- if (!this.renderingQueue.isHighestPriority(this)) {
- this.renderingState = _ui_utils.RenderingStates.PAUSED;
- this.resume = () => {
- this.renderingState = _ui_utils.RenderingStates.RUNNING;
- cont();
- };
- return;
- }
- cont();
- };
- }
- const finishPaintTask = async (error = null) => {
- if (paintTask === this.paintTask) {
- this.paintTask = null;
- }
- if (error instanceof _pdfjsLib.RenderingCancelledException) {
- this._renderError = null;
- return;
- }
- this._renderError = error;
- this.renderingState = _ui_utils.RenderingStates.FINISHED;
- this._resetZoomLayer(true);
- this.#useThumbnailCanvas.regularAnnotations =
- !paintTask.separateAnnots;
- this.eventBus.dispatch("pagerendered", {
- source: this,
- pageNumber: this.id,
- cssTransform: false,
- timestamp: performance.now(),
- error: this._renderError,
- });
- if (error) {
- throw error;
- }
- };
- const paintTask =
- this.renderer === _ui_utils.RendererType.SVG
- ? this.paintOnSvg(canvasWrapper)
- : this.paintOnCanvas(canvasWrapper);
- paintTask.onRenderContinue = renderContinueCallback;
- this.paintTask = paintTask;
- const resultPromise = paintTask.promise.then(
- () => {
- return finishPaintTask(null).then(async () => {
- this.#renderTextLayer();
- if (this.annotationLayer) {
- await this.#renderAnnotationLayer();
- }
- if (!this.annotationEditorLayer) {
- const { annotationEditorUIManager } = this.#layerProperties();
- if (!annotationEditorUIManager) {
- return;
- }
- this.annotationEditorLayer =
- new _annotation_editor_layer_builder.AnnotationEditorLayerBuilder(
- {
- uiManager: annotationEditorUIManager,
- pageDiv: div,
- pdfPage,
- l10n: this.l10n,
- accessibilityManager: this._accessibilityManager,
- }
- );
- }
- this.#renderAnnotationEditorLayer();
- });
- },
- function (reason) {
- return finishPaintTask(reason);
- }
- );
- if (pdfPage.isPureXfa) {
- if (!this.xfaLayer) {
- const { annotationStorage, linkService } =
- this.#layerProperties();
- this.xfaLayer = new _xfa_layer_builder.XfaLayerBuilder({
- pageDiv: div,
- pdfPage,
- annotationStorage,
- linkService,
- });
- } else if (this.xfaLayer.div) {
- div.append(this.xfaLayer.div);
- }
- this.#renderXfaLayer();
- }
- div.setAttribute("data-loaded", true);
- this.eventBus.dispatch("pagerender", {
- source: this,
- pageNumber: this.id,
- });
- return resultPromise;
- }
- paintOnCanvas(canvasWrapper) {
- const renderCapability = (0, _pdfjsLib.createPromiseCapability)();
- const result = {
- promise: renderCapability.promise,
- onRenderContinue(cont) {
- cont();
- },
- cancel(extraDelay = 0) {
- renderTask.cancel(extraDelay);
- },
- get separateAnnots() {
- return renderTask.separateAnnots;
- },
- };
- const viewport = this.viewport;
- const { width, height } = viewport;
- const canvas = document.createElement("canvas");
- canvas.setAttribute("role", "presentation");
- canvas.hidden = true;
- let isCanvasHidden = true;
- const hasHCM = !!(
- this.pageColors?.background && this.pageColors?.foreground
- );
- const showCanvas = function (isLastShow) {
- if (isCanvasHidden && (!hasHCM || isLastShow)) {
- canvas.hidden = false;
- isCanvasHidden = false;
- }
- };
- canvasWrapper.append(canvas);
- this.canvas = canvas;
- const ctx = canvas.getContext("2d", {
- alpha: false,
- });
- const outputScale = (this.outputScale = new _ui_utils.OutputScale());
- if (this.useOnlyCssZoom) {
- const actualSizeViewport = viewport.clone({
- scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
- });
- outputScale.sx *= actualSizeViewport.width / width;
- outputScale.sy *= actualSizeViewport.height / height;
- }
- if (this.maxCanvasPixels > 0) {
- const pixelsInViewport = width * height;
- const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
- if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
- outputScale.sx = maxScale;
- outputScale.sy = maxScale;
- this.hasRestrictedScaling = true;
- } else {
- this.hasRestrictedScaling = false;
- }
- }
- const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
- const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
- canvas.width = (0, _ui_utils.roundToDivide)(
- viewport.width * outputScale.sx,
- sfx[0]
- );
- canvas.height = (0, _ui_utils.roundToDivide)(
- viewport.height * outputScale.sy,
- sfy[0]
- );
- const { style } = canvas;
- style.width =
- (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
- style.height =
- (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
- this.paintedViewportMap.set(canvas, viewport);
- const transform = outputScale.scaled
- ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0]
- : null;
- const renderContext = {
- canvasContext: ctx,
- transform,
- viewport,
- annotationMode: this.#annotationMode,
- optionalContentConfigPromise: this._optionalContentConfigPromise,
- annotationCanvasMap: this._annotationCanvasMap,
- pageColors: this.pageColors,
- };
- const renderTask = this.pdfPage.render(renderContext);
- renderTask.onContinue = function (cont) {
- showCanvas(false);
- if (result.onRenderContinue) {
- result.onRenderContinue(cont);
- } else {
- cont();
- }
- };
- renderTask.promise.then(
- function () {
- showCanvas(true);
- renderCapability.resolve();
- },
- function (error) {
- if (!(error instanceof _pdfjsLib.RenderingCancelledException)) {
- showCanvas(true);
- }
- renderCapability.reject(error);
- }
- );
- return result;
- }
- paintOnSvg(wrapper) {
- let cancelled = false;
- const ensureNotCancelled = () => {
- if (cancelled) {
- throw new _pdfjsLib.RenderingCancelledException(
- `Rendering cancelled, page ${this.id}`,
- "svg"
- );
- }
- };
- const pdfPage = this.pdfPage;
- const actualSizeViewport = this.viewport.clone({
- scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS,
- });
- const promise = pdfPage
- .getOperatorList({
- annotationMode: this.#annotationMode,
- })
- .then((opList) => {
- ensureNotCancelled();
- const svgGfx = new _pdfjsLib.SVGGraphics(
- pdfPage.commonObjs,
- pdfPage.objs
- );
- return svgGfx.getSVG(opList, actualSizeViewport).then((svg) => {
- ensureNotCancelled();
- this.svg = svg;
- this.paintedViewportMap.set(svg, actualSizeViewport);
- svg.style.width = wrapper.style.width;
- svg.style.height = wrapper.style.height;
- this.renderingState = _ui_utils.RenderingStates.FINISHED;
- wrapper.append(svg);
- });
- });
- return {
- promise,
- onRenderContinue(cont) {
- cont();
- },
- cancel() {
- cancelled = true;
- },
- get separateAnnots() {
- return false;
- },
- };
- }
- setPageLabel(label) {
- this.pageLabel = typeof label === "string" ? label : null;
- if (this.pageLabel !== null) {
- this.div.setAttribute("data-page-label", this.pageLabel);
- } else {
- this.div.removeAttribute("data-page-label");
- }
- }
- get thumbnailCanvas() {
- const { initialOptionalContent, regularAnnotations } =
- this.#useThumbnailCanvas;
- return initialOptionalContent && regularAnnotations
- ? this.canvas
- : null;
- }
- }
- exports.PDFPageView = PDFPageView;
- /***/
- },
- /* 32 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.AnnotationEditorLayerBuilder = void 0;
- var _pdfjsLib = __webpack_require__(4);
- var _l10n_utils = __webpack_require__(30);
- class AnnotationEditorLayerBuilder {
- #uiManager;
- constructor(options) {
- this.pageDiv = options.pageDiv;
- this.pdfPage = options.pdfPage;
- this.accessibilityManager = options.accessibilityManager;
- this.l10n = options.l10n || _l10n_utils.NullL10n;
- this.annotationEditorLayer = null;
- this.div = null;
- this._cancelled = false;
- this.#uiManager = options.uiManager;
- }
- async render(viewport, intent = "display") {
- if (intent !== "display") {
- return;
- }
- if (this._cancelled) {
- return;
- }
- const clonedViewport = viewport.clone({
- dontFlip: true,
- });
- if (this.div) {
- this.annotationEditorLayer.update({
- viewport: clonedViewport,
- });
- this.show();
- return;
- }
- const div = (this.div = document.createElement("div"));
- div.className = "annotationEditorLayer";
- div.tabIndex = 0;
- div.hidden = true;
- this.pageDiv.append(div);
- this.annotationEditorLayer = new _pdfjsLib.AnnotationEditorLayer({
- uiManager: this.#uiManager,
- div,
- accessibilityManager: this.accessibilityManager,
- pageIndex: this.pdfPage.pageNumber - 1,
- l10n: this.l10n,
- viewport: clonedViewport,
- });
- const parameters = {
- viewport: clonedViewport,
- div,
- annotations: null,
- intent,
- };
- this.annotationEditorLayer.render(parameters);
- this.show();
- }
- cancel() {
- this._cancelled = true;
- if (!this.div) {
- return;
- }
- this.pageDiv = null;
- this.annotationEditorLayer.destroy();
- this.div.remove();
- }
- hide() {
- if (!this.div) {
- return;
- }
- this.div.hidden = true;
- }
- show() {
- if (!this.div || this.annotationEditorLayer.isEmpty) {
- return;
- }
- this.div.hidden = false;
- }
- }
- exports.AnnotationEditorLayerBuilder = AnnotationEditorLayerBuilder;
- /***/
- },
- /* 33 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.AnnotationLayerBuilder = void 0;
- var _pdfjsLib = __webpack_require__(4);
- var _l10n_utils = __webpack_require__(30);
- var _ui_utils = __webpack_require__(3);
- class AnnotationLayerBuilder {
- #numAnnotations = 0;
- #onPresentationModeChanged = null;
- constructor({
- pageDiv,
- pdfPage,
- linkService,
- downloadManager,
- annotationStorage = null,
- imageResourcesPath = "",
- renderForms = true,
- l10n = _l10n_utils.NullL10n,
- enableScripting = false,
- hasJSActionsPromise = null,
- fieldObjectsPromise = null,
- annotationCanvasMap = null,
- accessibilityManager = null,
- }) {
- this.pageDiv = pageDiv;
- this.pdfPage = pdfPage;
- this.linkService = linkService;
- this.downloadManager = downloadManager;
- this.imageResourcesPath = imageResourcesPath;
- this.renderForms = renderForms;
- this.l10n = l10n;
- this.annotationStorage = annotationStorage;
- this.enableScripting = enableScripting;
- this._hasJSActionsPromise =
- hasJSActionsPromise || Promise.resolve(false);
- this._fieldObjectsPromise =
- fieldObjectsPromise || Promise.resolve(null);
- this._annotationCanvasMap = annotationCanvasMap;
- this._accessibilityManager = accessibilityManager;
- this.div = null;
- this._cancelled = false;
- this._eventBus = linkService.eventBus;
- }
- async render(viewport, intent = "display") {
- if (this.div) {
- if (this._cancelled || this.#numAnnotations === 0) {
- return;
- }
- _pdfjsLib.AnnotationLayer.update({
- viewport: viewport.clone({
- dontFlip: true,
- }),
- div: this.div,
- annotationCanvasMap: this._annotationCanvasMap,
- });
- return;
- }
- const [annotations, hasJSActions, fieldObjects] = await Promise.all([
- this.pdfPage.getAnnotations({
- intent,
- }),
- this._hasJSActionsPromise,
- this._fieldObjectsPromise,
- ]);
- if (this._cancelled) {
- return;
- }
- this.#numAnnotations = annotations.length;
- this.div = document.createElement("div");
- this.div.className = "annotationLayer";
- this.pageDiv.append(this.div);
- if (this.#numAnnotations === 0) {
- this.hide();
- return;
- }
- _pdfjsLib.AnnotationLayer.render({
- viewport: viewport.clone({
- dontFlip: true,
- }),
- div: this.div,
- annotations,
- page: this.pdfPage,
- imageResourcesPath: this.imageResourcesPath,
- renderForms: this.renderForms,
- linkService: this.linkService,
- downloadManager: this.downloadManager,
- annotationStorage: this.annotationStorage,
- enableScripting: this.enableScripting,
- hasJSActions,
- fieldObjects,
- annotationCanvasMap: this._annotationCanvasMap,
- accessibilityManager: this._accessibilityManager,
- });
- this.l10n.translate(this.div);
- if (this.linkService.isInPresentationMode) {
- this.#updatePresentationModeState(
- _ui_utils.PresentationModeState.FULLSCREEN
- );
- }
- if (!this.#onPresentationModeChanged) {
- this.#onPresentationModeChanged = (evt) => {
- this.#updatePresentationModeState(evt.state);
- };
- this._eventBus?._on(
- "presentationmodechanged",
- this.#onPresentationModeChanged
- );
- }
- }
- cancel() {
- this._cancelled = true;
- if (this.#onPresentationModeChanged) {
- this._eventBus?._off(
- "presentationmodechanged",
- this.#onPresentationModeChanged
- );
- this.#onPresentationModeChanged = null;
- }
- }
- hide() {
- if (!this.div) {
- return;
- }
- this.div.hidden = true;
- }
- #updatePresentationModeState(state) {
- if (!this.div) {
- return;
- }
- let disableFormElements = false;
- switch (state) {
- case _ui_utils.PresentationModeState.FULLSCREEN:
- disableFormElements = true;
- break;
- case _ui_utils.PresentationModeState.NORMAL:
- break;
- default:
- return;
- }
- for (const section of this.div.childNodes) {
- if (section.hasAttribute("data-internal-link")) {
- continue;
- }
- section.inert = disableFormElements;
- }
- }
- }
- exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
- /***/
- },
- /* 34 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.StructTreeLayerBuilder = void 0;
- const PDF_ROLE_TO_HTML_ROLE = {
- Document: null,
- DocumentFragment: null,
- Part: "group",
- Sect: "group",
- Div: "group",
- Aside: "note",
- NonStruct: "none",
- P: null,
- H: "heading",
- Title: null,
- FENote: "note",
- Sub: "group",
- Lbl: null,
- Span: null,
- Em: null,
- Strong: null,
- Link: "link",
- Annot: "note",
- Form: "form",
- Ruby: null,
- RB: null,
- RT: null,
- RP: null,
- Warichu: null,
- WT: null,
- WP: null,
- L: "list",
- LI: "listitem",
- LBody: null,
- Table: "table",
- TR: "row",
- TH: "columnheader",
- TD: "cell",
- THead: "columnheader",
- TBody: null,
- TFoot: null,
- Caption: null,
- Figure: "figure",
- Formula: null,
- Artifact: null,
- };
- const HEADING_PATTERN = /^H(\d+)$/;
- class StructTreeLayerBuilder {
- #treeDom = undefined;
- get renderingDone() {
- return this.#treeDom !== undefined;
- }
- render(structTree) {
- if (this.#treeDom !== undefined) {
- return this.#treeDom;
- }
- const treeDom = this.#walk(structTree);
- treeDom?.classList.add("structTree");
- return (this.#treeDom = treeDom);
- }
- hide() {
- if (this.#treeDom && !this.#treeDom.hidden) {
- this.#treeDom.hidden = true;
- }
- }
- show() {
- if (this.#treeDom?.hidden) {
- this.#treeDom.hidden = false;
- }
- }
- #setAttributes(structElement, htmlElement) {
- if (structElement.alt !== undefined) {
- htmlElement.setAttribute("aria-label", structElement.alt);
- }
- if (structElement.id !== undefined) {
- htmlElement.setAttribute("aria-owns", structElement.id);
- }
- if (structElement.lang !== undefined) {
- htmlElement.setAttribute("lang", structElement.lang);
- }
- }
- #walk(node) {
- if (!node) {
- return null;
- }
- const element = document.createElement("span");
- if ("role" in node) {
- const { role } = node;
- const match = role.match(HEADING_PATTERN);
- if (match) {
- element.setAttribute("role", "heading");
- element.setAttribute("aria-level", match[1]);
- } else if (PDF_ROLE_TO_HTML_ROLE[role]) {
- element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]);
- }
- }
- this.#setAttributes(node, element);
- if (node.children) {
- if (node.children.length === 1 && "id" in node.children[0]) {
- this.#setAttributes(node.children[0], element);
- } else {
- for (const kid of node.children) {
- element.append(this.#walk(kid));
- }
- }
- }
- return element;
- }
- }
- exports.StructTreeLayerBuilder = StructTreeLayerBuilder;
- /***/
- },
- /* 35 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.TextAccessibilityManager = void 0;
- var _ui_utils = __webpack_require__(3);
- class TextAccessibilityManager {
- #enabled = false;
- #textChildren = null;
- #textNodes = new Map();
- #waitingElements = new Map();
- setTextMapping(textDivs) {
- this.#textChildren = textDivs;
- }
- static #compareElementPositions(e1, e2) {
- const rect1 = e1.getBoundingClientRect();
- const rect2 = e2.getBoundingClientRect();
- if (rect1.width === 0 && rect1.height === 0) {
- return +1;
- }
- if (rect2.width === 0 && rect2.height === 0) {
- return -1;
- }
- const top1 = rect1.y;
- const bot1 = rect1.y + rect1.height;
- const mid1 = rect1.y + rect1.height / 2;
- const top2 = rect2.y;
- const bot2 = rect2.y + rect2.height;
- const mid2 = rect2.y + rect2.height / 2;
- if (mid1 <= top2 && mid2 >= bot1) {
- return -1;
- }
- if (mid2 <= top1 && mid1 >= bot2) {
- return +1;
- }
- const centerX1 = rect1.x + rect1.width / 2;
- const centerX2 = rect2.x + rect2.width / 2;
- return centerX1 - centerX2;
- }
- enable() {
- if (this.#enabled) {
- throw new Error("TextAccessibilityManager is already enabled.");
- }
- if (!this.#textChildren) {
- throw new Error("Text divs and strings have not been set.");
- }
- this.#enabled = true;
- this.#textChildren = this.#textChildren.slice();
- this.#textChildren.sort(
- TextAccessibilityManager.#compareElementPositions
- );
- if (this.#textNodes.size > 0) {
- const textChildren = this.#textChildren;
- for (const [id, nodeIndex] of this.#textNodes) {
- const element = document.getElementById(id);
- if (!element) {
- this.#textNodes.delete(id);
- continue;
- }
- this.#addIdToAriaOwns(id, textChildren[nodeIndex]);
- }
- }
- for (const [element, isRemovable] of this.#waitingElements) {
- this.addPointerInTextLayer(element, isRemovable);
- }
- this.#waitingElements.clear();
- }
- disable() {
- if (!this.#enabled) {
- return;
- }
- this.#waitingElements.clear();
- this.#textChildren = null;
- this.#enabled = false;
- }
- removePointerInTextLayer(element) {
- if (!this.#enabled) {
- this.#waitingElements.delete(element);
- return;
- }
- const children = this.#textChildren;
- if (!children || children.length === 0) {
- return;
- }
- const { id } = element;
- const nodeIndex = this.#textNodes.get(id);
- if (nodeIndex === undefined) {
- return;
- }
- const node = children[nodeIndex];
- this.#textNodes.delete(id);
- let owns = node.getAttribute("aria-owns");
- if (owns?.includes(id)) {
- owns = owns
- .split(" ")
- .filter((x) => x !== id)
- .join(" ");
- if (owns) {
- node.setAttribute("aria-owns", owns);
- } else {
- node.removeAttribute("aria-owns");
- node.setAttribute("role", "presentation");
- }
- }
- }
- #addIdToAriaOwns(id, node) {
- const owns = node.getAttribute("aria-owns");
- if (!owns?.includes(id)) {
- node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id);
- }
- node.removeAttribute("role");
- }
- addPointerInTextLayer(element, isRemovable) {
- const { id } = element;
- if (!id) {
- return;
- }
- if (!this.#enabled) {
- this.#waitingElements.set(element, isRemovable);
- return;
- }
- if (isRemovable) {
- this.removePointerInTextLayer(element);
- }
- const children = this.#textChildren;
- if (!children || children.length === 0) {
- return;
- }
- const index = (0, _ui_utils.binarySearchFirstItem)(
- children,
- (node) =>
- TextAccessibilityManager.#compareElementPositions(element, node) <
- 0
- );
- const nodeIndex = Math.max(0, index - 1);
- this.#addIdToAriaOwns(id, children[nodeIndex]);
- this.#textNodes.set(id, nodeIndex);
- }
- moveElementInDOM(container, element, contentElement, isRemovable) {
- this.addPointerInTextLayer(contentElement, isRemovable);
- if (!container.hasChildNodes()) {
- container.append(element);
- return;
- }
- const children = Array.from(container.childNodes).filter(
- (node) => node !== element
- );
- if (children.length === 0) {
- return;
- }
- const elementToCompare = contentElement || element;
- const index = (0, _ui_utils.binarySearchFirstItem)(
- children,
- (node) =>
- TextAccessibilityManager.#compareElementPositions(
- elementToCompare,
- node
- ) < 0
- );
- if (index === 0) {
- children[0].before(element);
- } else {
- children[index - 1].after(element);
- }
- }
- }
- exports.TextAccessibilityManager = TextAccessibilityManager;
- /***/
- },
- /* 36 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.TextHighlighter = void 0;
- class TextHighlighter {
- constructor({ findController, eventBus, pageIndex }) {
- this.findController = findController;
- this.matches = [];
- this.eventBus = eventBus;
- this.pageIdx = pageIndex;
- this._onUpdateTextLayerMatches = null;
- this.textDivs = null;
- this.textContentItemsStr = null;
- this.enabled = false;
- }
- setTextMapping(divs, texts) {
- this.textDivs = divs;
- this.textContentItemsStr = texts;
- }
- enable() {
- if (!this.textDivs || !this.textContentItemsStr) {
- throw new Error("Text divs and strings have not been set.");
- }
- if (this.enabled) {
- throw new Error("TextHighlighter is already enabled.");
- }
- this.enabled = true;
- if (!this._onUpdateTextLayerMatches) {
- this._onUpdateTextLayerMatches = (evt) => {
- if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
- this._updateMatches();
- }
- };
- this.eventBus._on(
- "updatetextlayermatches",
- this._onUpdateTextLayerMatches
- );
- }
- this._updateMatches();
- }
- disable() {
- if (!this.enabled) {
- return;
- }
- this.enabled = false;
- if (this._onUpdateTextLayerMatches) {
- this.eventBus._off(
- "updatetextlayermatches",
- this._onUpdateTextLayerMatches
- );
- this._onUpdateTextLayerMatches = null;
- }
- this._updateMatches(true);
- }
- _convertMatches(matches, matchesLength) {
- if (!matches) {
- return [];
- }
- const { textContentItemsStr } = this;
- let i = 0,
- iIndex = 0;
- const end = textContentItemsStr.length - 1;
- const result = [];
- for (let m = 0, mm = matches.length; m < mm; m++) {
- let matchIdx = matches[m];
- while (
- i !== end &&
- matchIdx >= iIndex + textContentItemsStr[i].length
- ) {
- iIndex += textContentItemsStr[i].length;
- i++;
- }
- if (i === textContentItemsStr.length) {
- console.error("Could not find a matching mapping");
- }
- const match = {
- begin: {
- divIdx: i,
- offset: matchIdx - iIndex,
- },
- };
- matchIdx += matchesLength[m];
- while (
- i !== end &&
- matchIdx > iIndex + textContentItemsStr[i].length
- ) {
- iIndex += textContentItemsStr[i].length;
- i++;
- }
- match.end = {
- divIdx: i,
- offset: matchIdx - iIndex,
- };
- result.push(match);
- }
- return result;
- }
- _renderMatches(matches) {
- if (matches.length === 0) {
- return;
- }
- const { findController, pageIdx } = this;
- const { textContentItemsStr, textDivs } = this;
- const isSelectedPage = pageIdx === findController.selected.pageIdx;
- const selectedMatchIdx = findController.selected.matchIdx;
- const highlightAll = findController.state.highlightAll;
- let prevEnd = null;
- const infinity = {
- divIdx: -1,
- offset: undefined,
- };
- function beginText(begin, className) {
- const divIdx = begin.divIdx;
- textDivs[divIdx].textContent = "";
- return appendTextToDiv(divIdx, 0, begin.offset, className);
- }
- function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
- let div = textDivs[divIdx];
- if (div.nodeType === Node.TEXT_NODE) {
- const span = document.createElement("span");
- div.before(span);
- span.append(div);
- textDivs[divIdx] = span;
- div = span;
- }
- const content = textContentItemsStr[divIdx].substring(
- fromOffset,
- toOffset
- );
- const node = document.createTextNode(content);
- if (className) {
- const span = document.createElement("span");
- span.className = `${className} appended`;
- span.append(node);
- div.append(span);
- return className.includes("selected") ? span.offsetLeft : 0;
- }
- div.append(node);
- return 0;
- }
- let i0 = selectedMatchIdx,
- i1 = i0 + 1;
- if (highlightAll) {
- i0 = 0;
- i1 = matches.length;
- } else if (!isSelectedPage) {
- return;
- }
- for (let i = i0; i < i1; i++) {
- const match = matches[i];
- const begin = match.begin;
- const end = match.end;
- const isSelected = isSelectedPage && i === selectedMatchIdx;
- const highlightSuffix = isSelected ? " selected" : "";
- let selectedLeft = 0;
- if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
- if (prevEnd !== null) {
- appendTextToDiv(
- prevEnd.divIdx,
- prevEnd.offset,
- infinity.offset
- );
- }
- beginText(begin);
- } else {
- appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
- }
- if (begin.divIdx === end.divIdx) {
- selectedLeft = appendTextToDiv(
- begin.divIdx,
- begin.offset,
- end.offset,
- "highlight" + highlightSuffix
- );
- } else {
- selectedLeft = appendTextToDiv(
- begin.divIdx,
- begin.offset,
- infinity.offset,
- "highlight begin" + highlightSuffix
- );
- for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
- textDivs[n0].className = "highlight middle" + highlightSuffix;
- }
- beginText(end, "highlight end" + highlightSuffix);
- }
- prevEnd = end;
- if (isSelected) {
- findController.scrollMatchIntoView({
- element: textDivs[begin.divIdx],
- selectedLeft,
- pageIndex: pageIdx,
- matchIndex: selectedMatchIdx,
- });
- }
- }
- if (prevEnd) {
- appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
- }
- }
- _updateMatches(reset = false) {
- if (!this.enabled && !reset) {
- return;
- }
- const { findController, matches, pageIdx } = this;
- const { textContentItemsStr, textDivs } = this;
- let clearedUntilDivIdx = -1;
- for (const match of matches) {
- const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
- for (let n = begin, end = match.end.divIdx; n <= end; n++) {
- const div = textDivs[n];
- div.textContent = textContentItemsStr[n];
- div.className = "";
- }
- clearedUntilDivIdx = match.end.divIdx + 1;
- }
- if (!findController?.highlightMatches || reset) {
- return;
- }
- const pageMatches = findController.pageMatches[pageIdx] || null;
- const pageMatchesLength =
- findController.pageMatchesLength[pageIdx] || null;
- this.matches = this._convertMatches(pageMatches, pageMatchesLength);
- this._renderMatches(this.matches);
- }
- }
- exports.TextHighlighter = TextHighlighter;
- /***/
- },
- /* 37 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.TextLayerBuilder = void 0;
- var _pdfjsLib = __webpack_require__(4);
- class TextLayerBuilder {
- #rotation = 0;
- #scale = 0;
- #textContentSource = null;
- constructor({
- highlighter = null,
- accessibilityManager = null,
- isOffscreenCanvasSupported = true,
- }) {
- this.textContentItemsStr = [];
- this.renderingDone = false;
- this.textDivs = [];
- this.textDivProperties = new WeakMap();
- this.textLayerRenderTask = null;
- this.highlighter = highlighter;
- this.accessibilityManager = accessibilityManager;
- this.isOffscreenCanvasSupported = isOffscreenCanvasSupported;
- this.div = document.createElement("div");
- this.div.className = "textLayer";
- this.hide();
- }
- #finishRendering() {
- this.renderingDone = true;
- const endOfContent = document.createElement("div");
- endOfContent.className = "endOfContent";
- this.div.append(endOfContent);
- this.#bindMouse();
- }
- get numTextDivs() {
- return this.textDivs.length;
- }
- async render(viewport) {
- if (!this.#textContentSource) {
- throw new Error('No "textContentSource" parameter specified.');
- }
- const scale = viewport.scale * (globalThis.devicePixelRatio || 1);
- const { rotation } = viewport;
- if (this.renderingDone) {
- const mustRotate = rotation !== this.#rotation;
- const mustRescale = scale !== this.#scale;
- if (mustRotate || mustRescale) {
- this.hide();
- (0, _pdfjsLib.updateTextLayer)({
- container: this.div,
- viewport,
- textDivs: this.textDivs,
- textDivProperties: this.textDivProperties,
- isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
- mustRescale,
- mustRotate,
- });
- this.#scale = scale;
- this.#rotation = rotation;
- }
- this.show();
- return;
- }
- this.cancel();
- this.highlighter?.setTextMapping(
- this.textDivs,
- this.textContentItemsStr
- );
- this.accessibilityManager?.setTextMapping(this.textDivs);
- this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
- textContentSource: this.#textContentSource,
- container: this.div,
- viewport,
- textDivs: this.textDivs,
- textDivProperties: this.textDivProperties,
- textContentItemsStr: this.textContentItemsStr,
- isOffscreenCanvasSupported: this.isOffscreenCanvasSupported,
- });
- await this.textLayerRenderTask.promise;
- this.#finishRendering();
- this.#scale = scale;
- this.#rotation = rotation;
- this.show();
- this.accessibilityManager?.enable();
- }
- hide() {
- if (!this.div.hidden) {
- this.highlighter?.disable();
- this.div.hidden = true;
- }
- }
- show() {
- if (this.div.hidden && this.renderingDone) {
- this.div.hidden = false;
- this.highlighter?.enable();
- }
- }
- cancel() {
- if (this.textLayerRenderTask) {
- this.textLayerRenderTask.cancel();
- this.textLayerRenderTask = null;
- }
- this.highlighter?.disable();
- this.accessibilityManager?.disable();
- this.textContentItemsStr.length = 0;
- this.textDivs.length = 0;
- this.textDivProperties = new WeakMap();
- }
- setTextContentSource(source) {
- this.cancel();
- this.#textContentSource = source;
- }
- #bindMouse() {
- const { div } = this;
- div.addEventListener("mousedown", (evt) => {
- const end = div.querySelector(".endOfContent");
- if (!end) {
- return;
- }
- let adjustTop = evt.target !== div;
- adjustTop &&=
- getComputedStyle(end).getPropertyValue("-moz-user-select") !==
- "none";
- if (adjustTop) {
- const divBounds = div.getBoundingClientRect();
- const r = Math.max(
- 0,
- (evt.pageY - divBounds.top) / divBounds.height
- );
- end.style.top = (r * 100).toFixed(2) + "%";
- }
- end.classList.add("active");
- });
- div.addEventListener("mouseup", () => {
- const end = div.querySelector(".endOfContent");
- if (!end) {
- return;
- }
- end.style.top = "";
- end.classList.remove("active");
- });
- }
- }
- exports.TextLayerBuilder = TextLayerBuilder;
- /***/
- },
- /* 38 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.XfaLayerBuilder = void 0;
- var _pdfjsLib = __webpack_require__(4);
- class XfaLayerBuilder {
- constructor({
- pageDiv,
- pdfPage,
- annotationStorage = null,
- linkService,
- xfaHtml = null,
- }) {
- this.pageDiv = pageDiv;
- this.pdfPage = pdfPage;
- this.annotationStorage = annotationStorage;
- this.linkService = linkService;
- this.xfaHtml = xfaHtml;
- this.div = null;
- this._cancelled = false;
- }
- async render(viewport, intent = "display") {
- if (intent === "print") {
- const parameters = {
- viewport: viewport.clone({
- dontFlip: true,
- }),
- div: this.div,
- xfaHtml: this.xfaHtml,
- annotationStorage: this.annotationStorage,
- linkService: this.linkService,
- intent,
- };
- const div = document.createElement("div");
- this.pageDiv.append(div);
- parameters.div = div;
- return _pdfjsLib.XfaLayer.render(parameters);
- }
- const xfaHtml = await this.pdfPage.getXfa();
- if (this._cancelled || !xfaHtml) {
- return {
- textDivs: [],
- };
- }
- const parameters = {
- viewport: viewport.clone({
- dontFlip: true,
- }),
- div: this.div,
- xfaHtml,
- annotationStorage: this.annotationStorage,
- linkService: this.linkService,
- intent,
- };
- if (this.div) {
- return _pdfjsLib.XfaLayer.update(parameters);
- }
- this.div = document.createElement("div");
- this.pageDiv.append(this.div);
- parameters.div = this.div;
- return _pdfjsLib.XfaLayer.render(parameters);
- }
- cancel() {
- this._cancelled = true;
- }
- hide() {
- if (!this.div) {
- return;
- }
- this.div.hidden = true;
- }
- }
- exports.XfaLayerBuilder = XfaLayerBuilder;
- /***/
- },
- /* 39 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.SecondaryToolbar = void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdf_viewer = __webpack_require__(29);
- class SecondaryToolbar {
- constructor(options, eventBus, externalServices) {
- this.toolbar = options.toolbar;
- this.toggleButton = options.toggleButton;
- this.buttons = [
- {
- element: options.presentationModeButton,
- eventName: "presentationmode",
- close: true,
- },
- {
- element: options.printButton,
- eventName: "print",
- close: true,
- },
- {
- element: options.downloadButton,
- eventName: "download",
- close: true,
- },
- {
- element: options.viewBookmarkButton,
- eventName: null,
- close: true,
- },
- {
- element: options.firstPageButton,
- eventName: "firstpage",
- close: true,
- },
- {
- element: options.lastPageButton,
- eventName: "lastpage",
- close: true,
- },
- {
- element: options.pageRotateCwButton,
- eventName: "rotatecw",
- close: false,
- },
- {
- element: options.pageRotateCcwButton,
- eventName: "rotateccw",
- close: false,
- },
- {
- element: options.cursorSelectToolButton,
- eventName: "switchcursortool",
- eventDetails: {
- tool: _ui_utils.CursorTool.SELECT,
- },
- close: true,
- },
- {
- element: options.cursorHandToolButton,
- eventName: "switchcursortool",
- eventDetails: {
- tool: _ui_utils.CursorTool.HAND,
- },
- close: true,
- },
- {
- element: options.scrollPageButton,
- eventName: "switchscrollmode",
- eventDetails: {
- mode: _ui_utils.ScrollMode.PAGE,
- },
- close: true,
- },
- {
- element: options.scrollVerticalButton,
- eventName: "switchscrollmode",
- eventDetails: {
- mode: _ui_utils.ScrollMode.VERTICAL,
- },
- close: true,
- },
- {
- element: options.scrollHorizontalButton,
- eventName: "switchscrollmode",
- eventDetails: {
- mode: _ui_utils.ScrollMode.HORIZONTAL,
- },
- close: true,
- },
- {
- element: options.scrollWrappedButton,
- eventName: "switchscrollmode",
- eventDetails: {
- mode: _ui_utils.ScrollMode.WRAPPED,
- },
- close: true,
- },
- {
- element: options.spreadNoneButton,
- eventName: "switchspreadmode",
- eventDetails: {
- mode: _ui_utils.SpreadMode.NONE,
- },
- close: true,
- },
- {
- element: options.spreadOddButton,
- eventName: "switchspreadmode",
- eventDetails: {
- mode: _ui_utils.SpreadMode.ODD,
- },
- close: true,
- },
- {
- element: options.spreadEvenButton,
- eventName: "switchspreadmode",
- eventDetails: {
- mode: _ui_utils.SpreadMode.EVEN,
- },
- close: true,
- },
- {
- element: options.documentPropertiesButton,
- eventName: "documentproperties",
- close: true,
- },
- ];
- this.buttons.push({
- element: options.openFileButton,
- eventName: "openfile",
- close: true,
- });
- this.items = {
- firstPage: options.firstPageButton,
- lastPage: options.lastPageButton,
- pageRotateCw: options.pageRotateCwButton,
- pageRotateCcw: options.pageRotateCcwButton,
- };
- this.eventBus = eventBus;
- this.externalServices = externalServices;
- this.opened = false;
- this.#bindClickListeners();
- this.#bindCursorToolsListener(options);
- this.#bindScrollModeListener(options);
- this.#bindSpreadModeListener(options);
- this.reset();
- }
- get isOpen() {
- return this.opened;
- }
- setPageNumber(pageNumber) {
- this.pageNumber = pageNumber;
- this.#updateUIState();
- }
- setPagesCount(pagesCount) {
- this.pagesCount = pagesCount;
- this.#updateUIState();
- }
- reset() {
- this.pageNumber = 0;
- this.pagesCount = 0;
- this.#updateUIState();
- this.eventBus.dispatch("secondarytoolbarreset", {
- source: this,
- });
- }
- #updateUIState() {
- this.items.firstPage.disabled = this.pageNumber <= 1;
- this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
- this.items.pageRotateCw.disabled = this.pagesCount === 0;
- this.items.pageRotateCcw.disabled = this.pagesCount === 0;
- }
- #bindClickListeners() {
- this.toggleButton.addEventListener("click", this.toggle.bind(this));
- for (const { element, eventName, close, eventDetails } of this
- .buttons) {
- element.addEventListener("click", (evt) => {
- if (eventName !== null) {
- this.eventBus.dispatch(eventName, {
- source: this,
- ...eventDetails,
- });
- }
- if (close) {
- this.close();
- }
- this.externalServices.reportTelemetry({
- type: "buttons",
- data: {
- id: element.id,
- },
- });
- });
- }
- }
- #bindCursorToolsListener({
- cursorSelectToolButton,
- cursorHandToolButton,
- }) {
- this.eventBus._on("cursortoolchanged", function ({ tool }) {
- const isSelect = tool === _ui_utils.CursorTool.SELECT,
- isHand = tool === _ui_utils.CursorTool.HAND;
- cursorSelectToolButton.classList.toggle("toggled", isSelect);
- cursorHandToolButton.classList.toggle("toggled", isHand);
- cursorSelectToolButton.setAttribute("aria-checked", isSelect);
- cursorHandToolButton.setAttribute("aria-checked", isHand);
- });
- }
- #bindScrollModeListener({
- scrollPageButton,
- scrollVerticalButton,
- scrollHorizontalButton,
- scrollWrappedButton,
- spreadNoneButton,
- spreadOddButton,
- spreadEvenButton,
- }) {
- const scrollModeChanged = ({ mode }) => {
- const isPage = mode === _ui_utils.ScrollMode.PAGE,
- isVertical = mode === _ui_utils.ScrollMode.VERTICAL,
- isHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL,
- isWrapped = mode === _ui_utils.ScrollMode.WRAPPED;
- scrollPageButton.classList.toggle("toggled", isPage);
- scrollVerticalButton.classList.toggle("toggled", isVertical);
- scrollHorizontalButton.classList.toggle("toggled", isHorizontal);
- scrollWrappedButton.classList.toggle("toggled", isWrapped);
- scrollPageButton.setAttribute("aria-checked", isPage);
- scrollVerticalButton.setAttribute("aria-checked", isVertical);
- scrollHorizontalButton.setAttribute("aria-checked", isHorizontal);
- scrollWrappedButton.setAttribute("aria-checked", isWrapped);
- const forceScrollModePage =
- this.pagesCount >
- _pdf_viewer.PagesCountLimit.FORCE_SCROLL_MODE_PAGE;
- scrollPageButton.disabled = forceScrollModePage;
- scrollVerticalButton.disabled = forceScrollModePage;
- scrollHorizontalButton.disabled = forceScrollModePage;
- scrollWrappedButton.disabled = forceScrollModePage;
- spreadNoneButton.disabled = isHorizontal;
- spreadOddButton.disabled = isHorizontal;
- spreadEvenButton.disabled = isHorizontal;
- };
- this.eventBus._on("scrollmodechanged", scrollModeChanged);
- this.eventBus._on("secondarytoolbarreset", (evt) => {
- if (evt.source === this) {
- scrollModeChanged({
- mode: _ui_utils.ScrollMode.VERTICAL,
- });
- }
- });
- }
- #bindSpreadModeListener({
- spreadNoneButton,
- spreadOddButton,
- spreadEvenButton,
- }) {
- function spreadModeChanged({ mode }) {
- const isNone = mode === _ui_utils.SpreadMode.NONE,
- isOdd = mode === _ui_utils.SpreadMode.ODD,
- isEven = mode === _ui_utils.SpreadMode.EVEN;
- spreadNoneButton.classList.toggle("toggled", isNone);
- spreadOddButton.classList.toggle("toggled", isOdd);
- spreadEvenButton.classList.toggle("toggled", isEven);
- spreadNoneButton.setAttribute("aria-checked", isNone);
- spreadOddButton.setAttribute("aria-checked", isOdd);
- spreadEvenButton.setAttribute("aria-checked", isEven);
- }
- this.eventBus._on("spreadmodechanged", spreadModeChanged);
- this.eventBus._on("secondarytoolbarreset", (evt) => {
- if (evt.source === this) {
- spreadModeChanged({
- mode: _ui_utils.SpreadMode.NONE,
- });
- }
- });
- }
- open() {
- if (this.opened) {
- return;
- }
- this.opened = true;
- this.toggleButton.classList.add("toggled");
- this.toggleButton.setAttribute("aria-expanded", "true");
- this.toolbar.classList.remove("hidden");
- }
- close() {
- if (!this.opened) {
- return;
- }
- this.opened = false;
- this.toolbar.classList.add("hidden");
- this.toggleButton.classList.remove("toggled");
- this.toggleButton.setAttribute("aria-expanded", "false");
- }
- toggle() {
- if (this.opened) {
- this.close();
- } else {
- this.open();
- }
- }
- }
- exports.SecondaryToolbar = SecondaryToolbar;
- /***/
- },
- /* 40 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.Toolbar = void 0;
- var _ui_utils = __webpack_require__(3);
- var _pdfjsLib = __webpack_require__(4);
- const PAGE_NUMBER_LOADING_INDICATOR = "visiblePageIsLoading";
- class Toolbar {
- #wasLocalized = false;
- constructor(options, eventBus, l10n) {
- this.toolbar = options.container;
- this.eventBus = eventBus;
- this.l10n = l10n;
- this.buttons = [
- {
- element: options.previous,
- eventName: "previouspage",
- },
- {
- element: options.next,
- eventName: "nextpage",
- },
- {
- element: options.zoomIn,
- eventName: "zoomin",
- },
- {
- element: options.zoomOut,
- eventName: "zoomout",
- },
- {
- element: options.print,
- eventName: "print",
- },
- {
- element: options.download,
- eventName: "download",
- },
- {
- element: options.editorFreeTextButton,
- eventName: "switchannotationeditormode",
- eventDetails: {
- get mode() {
- const { classList } = options.editorFreeTextButton;
- return classList.contains("toggled")
- ? _pdfjsLib.AnnotationEditorType.NONE
- : _pdfjsLib.AnnotationEditorType.FREETEXT;
- },
- },
- },
- {
- element: options.editorInkButton,
- eventName: "switchannotationeditormode",
- eventDetails: {
- get mode() {
- const { classList } = options.editorInkButton;
- return classList.contains("toggled")
- ? _pdfjsLib.AnnotationEditorType.NONE
- : _pdfjsLib.AnnotationEditorType.INK;
- },
- },
- },
- ];
- this.buttons.push({
- element: options.openFile,
- eventName: "openfile",
- });
- this.items = {
- numPages: options.numPages,
- pageNumber: options.pageNumber,
- scaleSelect: options.scaleSelect,
- customScaleOption: options.customScaleOption,
- previous: options.previous,
- next: options.next,
- zoomIn: options.zoomIn,
- zoomOut: options.zoomOut,
- };
- this.#bindListeners(options);
- this.reset();
- }
- setPageNumber(pageNumber, pageLabel) {
- this.pageNumber = pageNumber;
- this.pageLabel = pageLabel;
- this.#updateUIState(false);
- }
- setPagesCount(pagesCount, hasPageLabels) {
- this.pagesCount = pagesCount;
- this.hasPageLabels = hasPageLabels;
- this.#updateUIState(true);
- }
- setPageScale(pageScaleValue, pageScale) {
- this.pageScaleValue = (pageScaleValue || pageScale).toString();
- this.pageScale = pageScale;
- this.#updateUIState(false);
- }
- reset() {
- this.pageNumber = 0;
- this.pageLabel = null;
- this.hasPageLabels = false;
- this.pagesCount = 0;
- this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
- this.pageScale = _ui_utils.DEFAULT_SCALE;
- this.#updateUIState(true);
- this.updateLoadingIndicatorState();
- this.eventBus.dispatch("toolbarreset", {
- source: this,
- });
- }
- #bindListeners(options) {
- const { pageNumber, scaleSelect } = this.items;
- const self = this;
- for (const { element, eventName, eventDetails } of this.buttons) {
- element.addEventListener("click", (evt) => {
- if (eventName !== null) {
- this.eventBus.dispatch(eventName, {
- source: this,
- ...eventDetails,
- });
- }
- });
- }
- pageNumber.addEventListener("click", function () {
- this.select();
- });
- pageNumber.addEventListener("change", function () {
- self.eventBus.dispatch("pagenumberchanged", {
- source: self,
- value: this.value,
- });
- });
- scaleSelect.addEventListener("change", function () {
- if (this.value === "custom") {
- return;
- }
- self.eventBus.dispatch("scalechanged", {
- source: self,
- value: this.value,
- });
- });
- scaleSelect.addEventListener("click", function (evt) {
- const target = evt.target;
- if (
- this.value === self.pageScaleValue &&
- target.tagName.toUpperCase() === "OPTION"
- ) {
- this.blur();
- }
- });
- scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
- this.eventBus._on("localized", () => {
- this.#wasLocalized = true;
- this.#adjustScaleWidth();
- this.#updateUIState(true);
- });
- this.#bindEditorToolsListener(options);
- }
- #bindEditorToolsListener({
- editorFreeTextButton,
- editorFreeTextParamsToolbar,
- editorInkButton,
- editorInkParamsToolbar,
- }) {
- const editorModeChanged = (evt, disableButtons = false) => {
- const editorButtons = [
- {
- mode: _pdfjsLib.AnnotationEditorType.FREETEXT,
- button: editorFreeTextButton,
- toolbar: editorFreeTextParamsToolbar,
- },
- {
- mode: _pdfjsLib.AnnotationEditorType.INK,
- button: editorInkButton,
- toolbar: editorInkParamsToolbar,
- },
- ];
- for (const { mode, button, toolbar } of editorButtons) {
- const checked = mode === evt.mode;
- button.classList.toggle("toggled", checked);
- button.setAttribute("aria-checked", checked);
- button.disabled = disableButtons;
- toolbar?.classList.toggle("hidden", !checked);
- }
- };
- this.eventBus._on("annotationeditormodechanged", editorModeChanged);
- this.eventBus._on("toolbarreset", (evt) => {
- if (evt.source === this) {
- editorModeChanged(
- {
- mode: _pdfjsLib.AnnotationEditorType.NONE,
- },
- true
- );
- }
- });
- }
- #updateUIState(resetNumPages = false) {
- if (!this.#wasLocalized) {
- return;
- }
- const { pageNumber, pagesCount, pageScaleValue, pageScale, items } =
- this;
- if (resetNumPages) {
- if (this.hasPageLabels) {
- items.pageNumber.type = "text";
- } else {
- items.pageNumber.type = "number";
- this.l10n
- .get("of_pages", {
- pagesCount,
- })
- .then((msg) => {
- items.numPages.textContent = msg;
- });
- }
- items.pageNumber.max = pagesCount;
- }
- if (this.hasPageLabels) {
- items.pageNumber.value = this.pageLabel;
- this.l10n
- .get("page_of_pages", {
- pageNumber,
- pagesCount,
- })
- .then((msg) => {
- items.numPages.textContent = msg;
- });
- } else {
- items.pageNumber.value = pageNumber;
- }
- items.previous.disabled = pageNumber <= 1;
- items.next.disabled = pageNumber >= pagesCount;
- items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
- items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
- this.l10n
- .get("page_scale_percent", {
- scale: Math.round(pageScale * 10000) / 100,
- })
- .then((msg) => {
- let predefinedValueFound = false;
- for (const option of items.scaleSelect.options) {
- if (option.value !== pageScaleValue) {
- option.selected = false;
- continue;
- }
- option.selected = true;
- predefinedValueFound = true;
- }
- if (!predefinedValueFound) {
- items.customScaleOption.textContent = msg;
- items.customScaleOption.selected = true;
- }
- });
- }
- updateLoadingIndicatorState(loading = false) {
- const { pageNumber } = this.items;
- pageNumber.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
- }
- async #adjustScaleWidth() {
- const { items, l10n } = this;
- const predefinedValuesPromise = Promise.all([
- l10n.get("page_scale_auto"),
- l10n.get("page_scale_actual"),
- l10n.get("page_scale_fit"),
- l10n.get("page_scale_width"),
- ]);
- await _ui_utils.animationStarted;
- const style = getComputedStyle(items.scaleSelect);
- const scaleSelectWidth = parseFloat(
- style.getPropertyValue("--scale-select-width")
- );
- const canvas = document.createElement("canvas");
- const ctx = canvas.getContext("2d", {
- alpha: false,
- });
- ctx.font = `${style.fontSize} ${style.fontFamily}`;
- let maxWidth = 0;
- for (const predefinedValue of await predefinedValuesPromise) {
- const { width } = ctx.measureText(predefinedValue);
- if (width > maxWidth) {
- maxWidth = width;
- }
- }
- maxWidth += 0.3 * scaleSelectWidth;
- if (maxWidth > scaleSelectWidth) {
- const container = items.scaleSelect.parentNode;
- container.style.setProperty(
- "--scale-select-width",
- `${maxWidth}px`
- );
- }
- canvas.width = 0;
- canvas.height = 0;
- }
- }
- exports.Toolbar = Toolbar;
- /***/
- },
- /* 41 */
- /***/ (__unused_webpack_module, exports) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.ViewHistory = void 0;
- const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
- class ViewHistory {
- constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
- this.fingerprint = fingerprint;
- this.cacheSize = cacheSize;
- this._initializedPromise = this._readFromStorage().then(
- (databaseStr) => {
- const database = JSON.parse(databaseStr || "{}");
- let index = -1;
- if (!Array.isArray(database.files)) {
- database.files = [];
- } else {
- while (database.files.length >= this.cacheSize) {
- database.files.shift();
- }
- for (let i = 0, ii = database.files.length; i < ii; i++) {
- const branch = database.files[i];
- if (branch.fingerprint === this.fingerprint) {
- index = i;
- break;
- }
- }
- }
- if (index === -1) {
- index =
- database.files.push({
- fingerprint: this.fingerprint,
- }) - 1;
- }
- this.file = database.files[index];
- this.database = database;
- }
- );
- }
- async _writeToStorage() {
- const databaseStr = JSON.stringify(this.database);
- localStorage.setItem("pdfjs.history", databaseStr);
- }
- async _readFromStorage() {
- return localStorage.getItem("pdfjs.history");
- }
- async set(name, val) {
- await this._initializedPromise;
- this.file[name] = val;
- return this._writeToStorage();
- }
- async setMultiple(properties) {
- await this._initializedPromise;
- for (const name in properties) {
- this.file[name] = properties[name];
- }
- return this._writeToStorage();
- }
- async get(name, defaultValue) {
- await this._initializedPromise;
- const val = this.file[name];
- return val !== undefined ? val : defaultValue;
- }
- async getMultiple(properties) {
- await this._initializedPromise;
- const values = Object.create(null);
- for (const name in properties) {
- const val = this.file[name];
- values[name] = val !== undefined ? val : properties[name];
- }
- return values;
- }
- }
- exports.ViewHistory = ViewHistory;
- /***/
- },
- /* 42 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.BasePreferences = void 0;
- var _app_options = __webpack_require__(5);
- class BasePreferences {
- #defaults = Object.freeze({
- annotationEditorMode: 0,
- annotationMode: 2,
- cursorToolOnLoad: 0,
- defaultZoomDelay: 400,
- defaultZoomValue: "",
- disablePageLabels: false,
- enablePermissions: false,
- enablePrintAutoRotate: true,
- enableScripting: true,
- externalLinkTarget: 0,
- historyUpdateUrl: false,
- ignoreDestinationZoom: false,
- forcePageColors: false,
- pageColorsBackground: "Canvas",
- pageColorsForeground: "CanvasText",
- pdfBugEnabled: false,
- sidebarViewOnLoad: -1,
- scrollModeOnLoad: -1,
- spreadModeOnLoad: -1,
- textLayerMode: 1,
- useOnlyCssZoom: false,
- viewerCssTheme: 0,
- viewOnLoad: 0,
- disableAutoFetch: false,
- disableFontFace: false,
- disableRange: false,
- disableStream: false,
- enableXfa: true,
- renderer: "canvas",
- });
- #prefs = Object.create(null);
- #initializedPromise = null;
- constructor() {
- if (this.constructor === BasePreferences) {
- throw new Error("Cannot initialize BasePreferences.");
- }
- this.#initializedPromise = this._readFromStorage(this.#defaults).then(
- (prefs) => {
- for (const name in this.#defaults) {
- const prefValue = prefs?.[name];
- if (typeof prefValue === typeof this.#defaults[name]) {
- this.#prefs[name] = prefValue;
- }
- }
- }
- );
- }
- async _writeToStorage(prefObj) {
- throw new Error("Not implemented: _writeToStorage");
- }
- async _readFromStorage(prefObj) {
- throw new Error("Not implemented: _readFromStorage");
- }
- async reset() {
- await this.#initializedPromise;
- const prefs = this.#prefs;
- this.#prefs = Object.create(null);
- return this._writeToStorage(this.#defaults).catch((reason) => {
- this.#prefs = prefs;
- throw reason;
- });
- }
- async set(name, value) {
- await this.#initializedPromise;
- const defaultValue = this.#defaults[name],
- prefs = this.#prefs;
- if (defaultValue === undefined) {
- throw new Error(`Set preference: "${name}" is undefined.`);
- } else if (value === undefined) {
- throw new Error("Set preference: no value is specified.");
- }
- const valueType = typeof value,
- defaultType = typeof defaultValue;
- if (valueType !== defaultType) {
- if (valueType === "number" && defaultType === "string") {
- value = value.toString();
- } else {
- throw new Error(
- `Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`
- );
- }
- } else {
- if (valueType === "number" && !Number.isInteger(value)) {
- throw new Error(`Set preference: "${value}" must be an integer.`);
- }
- }
- this.#prefs[name] = value;
- return this._writeToStorage(this.#prefs).catch((reason) => {
- this.#prefs = prefs;
- throw reason;
- });
- }
- async get(name) {
- await this.#initializedPromise;
- const defaultValue = this.#defaults[name];
- if (defaultValue === undefined) {
- throw new Error(`Get preference: "${name}" is undefined.`);
- }
- return this.#prefs[name] ?? defaultValue;
- }
- async getAll() {
- await this.#initializedPromise;
- const obj = Object.create(null);
- for (const name in this.#defaults) {
- obj[name] = this.#prefs[name] ?? this.#defaults[name];
- }
- return obj;
- }
- }
- exports.BasePreferences = BasePreferences;
- /***/
- },
- /* 43 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.DownloadManager = void 0;
- var _pdfjsLib = __webpack_require__(4);
- function download(blobUrl, filename) {
- const a = document.createElement("a");
- if (!a.click) {
- throw new Error('DownloadManager: "a.click()" is not supported.');
- }
- a.href = blobUrl;
- a.target = "_parent";
- if ("download" in a) {
- a.download = filename;
- }
- (document.body || document.documentElement).append(a);
- a.click();
- a.remove();
- }
- class DownloadManager {
- #openBlobUrls = new WeakMap();
- downloadUrl(url, filename) {
- if (
- !(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")
- ) {
- console.error(`downloadUrl - not a valid URL: ${url}`);
- return;
- }
- download(url + "#pdfjs.action=download", filename);
- }
- downloadData(data, filename, contentType) {
- const blobUrl = URL.createObjectURL(
- new Blob([data], {
- type: contentType,
- })
- );
- download(blobUrl, filename);
- }
- openOrDownloadData(element, data, filename) {
- const isPdfData = (0, _pdfjsLib.isPdfFile)(filename);
- const contentType = isPdfData ? "application/pdf" : "";
- if (isPdfData) {
- let blobUrl = this.#openBlobUrls.get(element);
- if (!blobUrl) {
- blobUrl = URL.createObjectURL(
- new Blob([data], {
- type: contentType,
- })
- );
- this.#openBlobUrls.set(element, blobUrl);
- }
- let viewerUrl;
- viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
- try {
- window.open(viewerUrl);
- return true;
- } catch (ex) {
- console.error(`openOrDownloadData: ${ex}`);
- URL.revokeObjectURL(blobUrl);
- this.#openBlobUrls.delete(element);
- }
- }
- this.downloadData(data, filename, contentType);
- return false;
- }
- download(blob, url, filename) {
- const blobUrl = URL.createObjectURL(blob);
- download(blobUrl, filename);
- }
- }
- exports.DownloadManager = DownloadManager;
- /***/
- },
- /* 44 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.GenericL10n = void 0;
- __webpack_require__(45);
- var _l10n_utils = __webpack_require__(30);
- const webL10n = document.webL10n;
- class GenericL10n {
- constructor(lang) {
- this._lang = lang;
- this._ready = new Promise((resolve, reject) => {
- webL10n.setLanguage((0, _l10n_utils.fixupLangCode)(lang), () => {
- resolve(webL10n);
- });
- });
- }
- async getLanguage() {
- const l10n = await this._ready;
- return l10n.getLanguage();
- }
- async getDirection() {
- const l10n = await this._ready;
- return l10n.getDirection();
- }
- async get(
- key,
- args = null,
- fallback = (0, _l10n_utils.getL10nFallback)(key, args)
- ) {
- const l10n = await this._ready;
- return l10n.get(key, args, fallback);
- }
- async translate(element) {
- const l10n = await this._ready;
- return l10n.translate(element);
- }
- }
- exports.GenericL10n = GenericL10n;
- /***/
- },
- /* 45 */
- /***/ () => {
- document.webL10n = (function (window, document, undefined) {
- var gL10nData = {};
- var gTextData = "";
- var gTextProp = "textContent";
- var gLanguage = "";
- var gMacros = {};
- var gReadyState = "loading";
- var gAsyncResourceLoading = true;
- function getL10nResourceLinks() {
- return document.querySelectorAll('link[type="application/l10n"]');
- }
- function getL10nDictionary() {
- var script = document.querySelector(
- 'script[type="application/l10n"]'
- );
- return script ? JSON.parse(script.innerHTML) : null;
- }
- function getTranslatableChildren(element) {
- return element ? element.querySelectorAll("*[data-l10n-id]") : [];
- }
- function getL10nAttributes(element) {
- if (!element) return {};
- var l10nId = element.getAttribute("data-l10n-id");
- var l10nArgs = element.getAttribute("data-l10n-args");
- var args = {};
- if (l10nArgs) {
- try {
- args = JSON.parse(l10nArgs);
- } catch (e) {
- console.warn("could not parse arguments for #" + l10nId);
- }
- }
- return {
- id: l10nId,
- args: args,
- };
- }
- function xhrLoadText(url, onSuccess, onFailure) {
- onSuccess = onSuccess || function _onSuccess(data) {};
- onFailure = onFailure || function _onFailure() {};
- var xhr = new XMLHttpRequest();
- xhr.open("GET", url, gAsyncResourceLoading);
- if (xhr.overrideMimeType) {
- xhr.overrideMimeType("text/plain; charset=utf-8");
- }
- xhr.onreadystatechange = function () {
- if (xhr.readyState == 4) {
- if (xhr.status == 200 || xhr.status === 0) {
- onSuccess(xhr.responseText);
- } else {
- onFailure();
- }
- }
- };
- xhr.onerror = onFailure;
- xhr.ontimeout = onFailure;
- try {
- xhr.send(null);
- } catch (e) {
- onFailure();
- }
- }
- function parseResource(href, lang, successCallback, failureCallback) {
- var baseURL = href.replace(/[^\/]*$/, "") || "./";
- function evalString(text) {
- if (text.lastIndexOf("\\") < 0) return text;
- return text
- .replace(/\\\\/g, "\\")
- .replace(/\\n/g, "\n")
- .replace(/\\r/g, "\r")
- .replace(/\\t/g, "\t")
- .replace(/\\b/g, "\b")
- .replace(/\\f/g, "\f")
- .replace(/\\{/g, "{")
- .replace(/\\}/g, "}")
- .replace(/\\"/g, '"')
- .replace(/\\'/g, "'");
- }
- function parseProperties(text, parsedPropertiesCallback) {
- var dictionary = {};
- var reBlank = /^\s*|\s*$/;
- var reComment = /^\s*#|^\s*$/;
- var reSection = /^\s*\[(.*)\]\s*$/;
- var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
- var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
- function parseRawLines(
- rawText,
- extendedSyntax,
- parsedRawLinesCallback
- ) {
- var entries = rawText.replace(reBlank, "").split(/[\r\n]+/);
- var currentLang = "*";
- var genericLang = lang.split("-", 1)[0];
- var skipLang = false;
- var match = "";
- function nextEntry() {
- while (true) {
- if (!entries.length) {
- parsedRawLinesCallback();
- return;
- }
- var line = entries.shift();
- if (reComment.test(line)) continue;
- if (extendedSyntax) {
- match = reSection.exec(line);
- if (match) {
- currentLang = match[1].toLowerCase();
- skipLang =
- currentLang !== "*" &&
- currentLang !== lang &&
- currentLang !== genericLang;
- continue;
- } else if (skipLang) {
- continue;
- }
- match = reImport.exec(line);
- if (match) {
- loadImport(baseURL + match[1], nextEntry);
- return;
- }
- }
- var tmp = line.match(reSplit);
- if (tmp && tmp.length == 3) {
- dictionary[tmp[1]] = evalString(tmp[2]);
- }
- }
- }
- nextEntry();
- }
- function loadImport(url, callback) {
- xhrLoadText(
- url,
- function (content) {
- parseRawLines(content, false, callback);
- },
- function () {
- console.warn(url + " not found.");
- callback();
- }
- );
- }
- parseRawLines(text, true, function () {
- parsedPropertiesCallback(dictionary);
- });
- }
- xhrLoadText(
- href,
- function (response) {
- gTextData += response;
- parseProperties(response, function (data) {
- for (var key in data) {
- var id,
- prop,
- index = key.lastIndexOf(".");
- if (index > 0) {
- id = key.substring(0, index);
- prop = key.substring(index + 1);
- } else {
- id = key;
- prop = gTextProp;
- }
- if (!gL10nData[id]) {
- gL10nData[id] = {};
- }
- gL10nData[id][prop] = data[key];
- }
- if (successCallback) {
- successCallback();
- }
- });
- },
- failureCallback
- );
- }
- function loadLocale(lang, callback) {
- if (lang) {
- lang = lang.toLowerCase();
- }
- callback = callback || function _callback() {};
- clear();
- gLanguage = lang;
- var langLinks = getL10nResourceLinks();
- var langCount = langLinks.length;
- if (langCount === 0) {
- var dict = getL10nDictionary();
- if (dict && dict.locales && dict.default_locale) {
- console.log("using the embedded JSON directory, early way out");
- gL10nData = dict.locales[lang];
- if (!gL10nData) {
- var defaultLocale = dict.default_locale.toLowerCase();
- for (var anyCaseLang in dict.locales) {
- anyCaseLang = anyCaseLang.toLowerCase();
- if (anyCaseLang === lang) {
- gL10nData = dict.locales[lang];
- break;
- } else if (anyCaseLang === defaultLocale) {
- gL10nData = dict.locales[defaultLocale];
- }
- }
- }
- callback();
- } else {
- console.log("no resource to load, early way out");
- }
- gReadyState = "complete";
- return;
- }
- var onResourceLoaded = null;
- var gResourceCount = 0;
- onResourceLoaded = function () {
- gResourceCount++;
- if (gResourceCount >= langCount) {
- callback();
- gReadyState = "complete";
- }
- };
- function L10nResourceLink(link) {
- var href = link.href;
- this.load = function (lang, callback) {
- parseResource(href, lang, callback, function () {
- console.warn(href + " not found.");
- console.warn('"' + lang + '" resource not found');
- gLanguage = "";
- callback();
- });
- };
- }
- for (var i = 0; i < langCount; i++) {
- var resource = new L10nResourceLink(langLinks[i]);
- resource.load(lang, onResourceLoaded);
- }
- }
- function clear() {
- gL10nData = {};
- gTextData = "";
- gLanguage = "";
- }
- function getPluralRules(lang) {
- var locales2rules = {
- af: 3,
- ak: 4,
- am: 4,
- ar: 1,
- asa: 3,
- az: 0,
- be: 11,
- bem: 3,
- bez: 3,
- bg: 3,
- bh: 4,
- bm: 0,
- bn: 3,
- bo: 0,
- br: 20,
- brx: 3,
- bs: 11,
- ca: 3,
- cgg: 3,
- chr: 3,
- cs: 12,
- cy: 17,
- da: 3,
- de: 3,
- dv: 3,
- dz: 0,
- ee: 3,
- el: 3,
- en: 3,
- eo: 3,
- es: 3,
- et: 3,
- eu: 3,
- fa: 0,
- ff: 5,
- fi: 3,
- fil: 4,
- fo: 3,
- fr: 5,
- fur: 3,
- fy: 3,
- ga: 8,
- gd: 24,
- gl: 3,
- gsw: 3,
- gu: 3,
- guw: 4,
- gv: 23,
- ha: 3,
- haw: 3,
- he: 2,
- hi: 4,
- hr: 11,
- hu: 0,
- id: 0,
- ig: 0,
- ii: 0,
- is: 3,
- it: 3,
- iu: 7,
- ja: 0,
- jmc: 3,
- jv: 0,
- ka: 0,
- kab: 5,
- kaj: 3,
- kcg: 3,
- kde: 0,
- kea: 0,
- kk: 3,
- kl: 3,
- km: 0,
- kn: 0,
- ko: 0,
- ksb: 3,
- ksh: 21,
- ku: 3,
- kw: 7,
- lag: 18,
- lb: 3,
- lg: 3,
- ln: 4,
- lo: 0,
- lt: 10,
- lv: 6,
- mas: 3,
- mg: 4,
- mk: 16,
- ml: 3,
- mn: 3,
- mo: 9,
- mr: 3,
- ms: 0,
- mt: 15,
- my: 0,
- nah: 3,
- naq: 7,
- nb: 3,
- nd: 3,
- ne: 3,
- nl: 3,
- nn: 3,
- no: 3,
- nr: 3,
- nso: 4,
- ny: 3,
- nyn: 3,
- om: 3,
- or: 3,
- pa: 3,
- pap: 3,
- pl: 13,
- ps: 3,
- pt: 3,
- rm: 3,
- ro: 9,
- rof: 3,
- ru: 11,
- rwk: 3,
- sah: 0,
- saq: 3,
- se: 7,
- seh: 3,
- ses: 0,
- sg: 0,
- sh: 11,
- shi: 19,
- sk: 12,
- sl: 14,
- sma: 7,
- smi: 7,
- smj: 7,
- smn: 7,
- sms: 7,
- sn: 3,
- so: 3,
- sq: 3,
- sr: 11,
- ss: 3,
- ssy: 3,
- st: 3,
- sv: 3,
- sw: 3,
- syr: 3,
- ta: 3,
- te: 3,
- teo: 3,
- th: 0,
- ti: 4,
- tig: 3,
- tk: 3,
- tl: 4,
- tn: 3,
- to: 0,
- tr: 0,
- ts: 3,
- tzm: 22,
- uk: 11,
- ur: 3,
- ve: 3,
- vi: 0,
- vun: 3,
- wa: 4,
- wae: 3,
- wo: 0,
- xh: 3,
- xog: 3,
- yo: 0,
- zh: 0,
- zu: 3,
- };
- function isIn(n, list) {
- return list.indexOf(n) !== -1;
- }
- function isBetween(n, start, end) {
- return start <= n && n <= end;
- }
- var pluralRules = {
- 0: function (n) {
- return "other";
- },
- 1: function (n) {
- if (isBetween(n % 100, 3, 10)) return "few";
- if (n === 0) return "zero";
- if (isBetween(n % 100, 11, 99)) return "many";
- if (n == 2) return "two";
- if (n == 1) return "one";
- return "other";
- },
- 2: function (n) {
- if (n !== 0 && n % 10 === 0) return "many";
- if (n == 2) return "two";
- if (n == 1) return "one";
- return "other";
- },
- 3: function (n) {
- if (n == 1) return "one";
- return "other";
- },
- 4: function (n) {
- if (isBetween(n, 0, 1)) return "one";
- return "other";
- },
- 5: function (n) {
- if (isBetween(n, 0, 2) && n != 2) return "one";
- return "other";
- },
- 6: function (n) {
- if (n === 0) return "zero";
- if (n % 10 == 1 && n % 100 != 11) return "one";
- return "other";
- },
- 7: function (n) {
- if (n == 2) return "two";
- if (n == 1) return "one";
- return "other";
- },
- 8: function (n) {
- if (isBetween(n, 3, 6)) return "few";
- if (isBetween(n, 7, 10)) return "many";
- if (n == 2) return "two";
- if (n == 1) return "one";
- return "other";
- },
- 9: function (n) {
- if (n === 0 || (n != 1 && isBetween(n % 100, 1, 19)))
- return "few";
- if (n == 1) return "one";
- return "other";
- },
- 10: function (n) {
- if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19))
- return "few";
- if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return "one";
- return "other";
- },
- 11: function (n) {
- if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14))
- return "few";
- if (
- n % 10 === 0 ||
- isBetween(n % 10, 5, 9) ||
- isBetween(n % 100, 11, 14)
- )
- return "many";
- if (n % 10 == 1 && n % 100 != 11) return "one";
- return "other";
- },
- 12: function (n) {
- if (isBetween(n, 2, 4)) return "few";
- if (n == 1) return "one";
- return "other";
- },
- 13: function (n) {
- if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14))
- return "few";
- if (
- (n != 1 && isBetween(n % 10, 0, 1)) ||
- isBetween(n % 10, 5, 9) ||
- isBetween(n % 100, 12, 14)
- )
- return "many";
- if (n == 1) return "one";
- return "other";
- },
- 14: function (n) {
- if (isBetween(n % 100, 3, 4)) return "few";
- if (n % 100 == 2) return "two";
- if (n % 100 == 1) return "one";
- return "other";
- },
- 15: function (n) {
- if (n === 0 || isBetween(n % 100, 2, 10)) return "few";
- if (isBetween(n % 100, 11, 19)) return "many";
- if (n == 1) return "one";
- return "other";
- },
- 16: function (n) {
- if (n % 10 == 1 && n != 11) return "one";
- return "other";
- },
- 17: function (n) {
- if (n == 3) return "few";
- if (n === 0) return "zero";
- if (n == 6) return "many";
- if (n == 2) return "two";
- if (n == 1) return "one";
- return "other";
- },
- 18: function (n) {
- if (n === 0) return "zero";
- if (isBetween(n, 0, 2) && n !== 0 && n != 2) return "one";
- return "other";
- },
- 19: function (n) {
- if (isBetween(n, 2, 10)) return "few";
- if (isBetween(n, 0, 1)) return "one";
- return "other";
- },
- 20: function (n) {
- if (
- (isBetween(n % 10, 3, 4) || n % 10 == 9) &&
- !(
- isBetween(n % 100, 10, 19) ||
- isBetween(n % 100, 70, 79) ||
- isBetween(n % 100, 90, 99)
- )
- )
- return "few";
- if (n % 1000000 === 0 && n !== 0) return "many";
- if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return "two";
- if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return "one";
- return "other";
- },
- 21: function (n) {
- if (n === 0) return "zero";
- if (n == 1) return "one";
- return "other";
- },
- 22: function (n) {
- if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return "one";
- return "other";
- },
- 23: function (n) {
- if (isBetween(n % 10, 1, 2) || n % 20 === 0) return "one";
- return "other";
- },
- 24: function (n) {
- if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return "few";
- if (isIn(n, [2, 12])) return "two";
- if (isIn(n, [1, 11])) return "one";
- return "other";
- },
- };
- var index = locales2rules[lang.replace(/-.*$/, "")];
- if (!(index in pluralRules)) {
- console.warn("plural form unknown for [" + lang + "]");
- return function () {
- return "other";
- };
- }
- return pluralRules[index];
- }
- gMacros.plural = function (str, param, key, prop) {
- var n = parseFloat(param);
- if (isNaN(n)) return str;
- if (prop != gTextProp) return str;
- if (!gMacros._pluralRules) {
- gMacros._pluralRules = getPluralRules(gLanguage);
- }
- var index = "[" + gMacros._pluralRules(n) + "]";
- if (n === 0 && key + "[zero]" in gL10nData) {
- str = gL10nData[key + "[zero]"][prop];
- } else if (n == 1 && key + "[one]" in gL10nData) {
- str = gL10nData[key + "[one]"][prop];
- } else if (n == 2 && key + "[two]" in gL10nData) {
- str = gL10nData[key + "[two]"][prop];
- } else if (key + index in gL10nData) {
- str = gL10nData[key + index][prop];
- } else if (key + "[other]" in gL10nData) {
- str = gL10nData[key + "[other]"][prop];
- }
- return str;
- };
- function getL10nData(key, args, fallback) {
- var data = gL10nData[key];
- if (!data) {
- console.warn("#" + key + " is undefined.");
- if (!fallback) {
- return null;
- }
- data = fallback;
- }
- var rv = {};
- for (var prop in data) {
- var str = data[prop];
- str = substIndexes(str, args, key, prop);
- str = substArguments(str, args, key);
- rv[prop] = str;
- }
- return rv;
- }
- function substIndexes(str, args, key, prop) {
- var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
- var reMatch = reIndex.exec(str);
- if (!reMatch || !reMatch.length) return str;
- var macroName = reMatch[1];
- var paramName = reMatch[2];
- var param;
- if (args && paramName in args) {
- param = args[paramName];
- } else if (paramName in gL10nData) {
- param = gL10nData[paramName];
- }
- if (macroName in gMacros) {
- var macro = gMacros[macroName];
- str = macro(str, param, key, prop);
- }
- return str;
- }
- function substArguments(str, args, key) {
- var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
- return str.replace(reArgs, function (matched_text, arg) {
- if (args && arg in args) {
- return args[arg];
- }
- if (arg in gL10nData) {
- return gL10nData[arg];
- }
- console.log(
- "argument {{" + arg + "}} for #" + key + " is undefined."
- );
- return matched_text;
- });
- }
- function translateElement(element) {
- var l10n = getL10nAttributes(element);
- if (!l10n.id) return;
- var data = getL10nData(l10n.id, l10n.args);
- if (!data) {
- console.warn("#" + l10n.id + " is undefined.");
- return;
- }
- if (data[gTextProp]) {
- if (getChildElementCount(element) === 0) {
- element[gTextProp] = data[gTextProp];
- } else {
- var children = element.childNodes;
- var found = false;
- for (var i = 0, l = children.length; i < l; i++) {
- if (
- children[i].nodeType === 3 &&
- /\S/.test(children[i].nodeValue)
- ) {
- if (found) {
- children[i].nodeValue = "";
- } else {
- children[i].nodeValue = data[gTextProp];
- found = true;
- }
- }
- }
- if (!found) {
- var textNode = document.createTextNode(data[gTextProp]);
- element.prepend(textNode);
- }
- }
- delete data[gTextProp];
- }
- for (var k in data) {
- element[k] = data[k];
- }
- }
- function getChildElementCount(element) {
- if (element.children) {
- return element.children.length;
- }
- if (typeof element.childElementCount !== "undefined") {
- return element.childElementCount;
- }
- var count = 0;
- for (var i = 0; i < element.childNodes.length; i++) {
- count += element.nodeType === 1 ? 1 : 0;
- }
- return count;
- }
- function translateFragment(element) {
- element = element || document.documentElement;
- var children = getTranslatableChildren(element);
- var elementCount = children.length;
- for (var i = 0; i < elementCount; i++) {
- translateElement(children[i]);
- }
- translateElement(element);
- }
- return {
- get: function (key, args, fallbackString) {
- var index = key.lastIndexOf(".");
- var prop = gTextProp;
- if (index > 0) {
- prop = key.substring(index + 1);
- key = key.substring(0, index);
- }
- var fallback;
- if (fallbackString) {
- fallback = {};
- fallback[prop] = fallbackString;
- }
- var data = getL10nData(key, args, fallback);
- if (data && prop in data) {
- return data[prop];
- }
- return "{{" + key + "}}";
- },
- getData: function () {
- return gL10nData;
- },
- getText: function () {
- return gTextData;
- },
- getLanguage: function () {
- return gLanguage;
- },
- setLanguage: function (lang, callback) {
- loadLocale(lang, function () {
- if (callback) callback();
- });
- },
- getDirection: function () {
- var rtlList = ["ar", "he", "fa", "ps", "ur"];
- var shortCode = gLanguage.split("-", 1)[0];
- return rtlList.indexOf(shortCode) >= 0 ? "rtl" : "ltr";
- },
- translate: translateFragment,
- getReadyState: function () {
- return gReadyState;
- },
- ready: function (callback) {
- if (!callback) {
- return;
- } else if (
- gReadyState == "complete" ||
- gReadyState == "interactive"
- ) {
- window.setTimeout(function () {
- callback();
- });
- } else if (document.addEventListener) {
- document.addEventListener("localized", function once() {
- document.removeEventListener("localized", once);
- callback();
- });
- }
- },
- };
- })(window, document);
- /***/
- },
- /* 46 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.GenericScripting = void 0;
- exports.docPropertiesLookup = docPropertiesLookup;
- var _pdfjsLib = __webpack_require__(4);
- async function docPropertiesLookup(pdfDocument) {
- const url = "",
- baseUrl = url.split("#")[0];
- let { info, metadata, contentDispositionFilename, contentLength } =
- await pdfDocument.getMetadata();
- if (!contentLength) {
- const { length } = await pdfDocument.getDownloadInfo();
- contentLength = length;
- }
- return {
- ...info,
- baseURL: baseUrl,
- filesize: contentLength,
- filename:
- contentDispositionFilename ||
- (0, _pdfjsLib.getPdfFilenameFromUrl)(url),
- metadata: metadata?.getRaw(),
- authors: metadata?.get("dc:creator"),
- numPages: pdfDocument.numPages,
- URL: url,
- };
- }
- class GenericScripting {
- constructor(sandboxBundleSrc) {
- this._ready = (0, _pdfjsLib.loadScript)(sandboxBundleSrc, true).then(
- () => {
- return window.pdfjsSandbox.QuickJSSandbox();
- }
- );
- }
- async createSandbox(data) {
- const sandbox = await this._ready;
- sandbox.create(data);
- }
- async dispatchEventInSandbox(event) {
- const sandbox = await this._ready;
- setTimeout(() => sandbox.dispatchEvent(event), 0);
- }
- async destroySandbox() {
- const sandbox = await this._ready;
- sandbox.nukeSandbox();
- }
- }
- exports.GenericScripting = GenericScripting;
- /***/
- },
- /* 47 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.PDFPrintService = PDFPrintService;
- var _pdfjsLib = __webpack_require__(4);
- var _app = __webpack_require__(2);
- var _print_utils = __webpack_require__(48);
- let activeService = null;
- let dialog = null;
- let overlayManager = null;
- function renderPage(
- activeServiceOnEntry,
- pdfDocument,
- pageNumber,
- size,
- printResolution,
- optionalContentConfigPromise,
- printAnnotationStoragePromise
- ) {
- const scratchCanvas = activeService.scratchCanvas;
- const PRINT_UNITS = printResolution / _pdfjsLib.PixelsPerInch.PDF;
- scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
- scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
- const ctx = scratchCanvas.getContext("2d");
- ctx.save();
- ctx.fillStyle = "rgb(255, 255, 255)";
- ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
- ctx.restore();
- return Promise.all([
- pdfDocument.getPage(pageNumber),
- printAnnotationStoragePromise,
- ]).then(function ([pdfPage, printAnnotationStorage]) {
- const renderContext = {
- canvasContext: ctx,
- transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
- viewport: pdfPage.getViewport({
- scale: 1,
- rotation: size.rotation,
- }),
- intent: "print",
- annotationMode: _pdfjsLib.AnnotationMode.ENABLE_STORAGE,
- optionalContentConfigPromise,
- printAnnotationStorage,
- };
- return pdfPage.render(renderContext).promise;
- });
- }
- function PDFPrintService(
- pdfDocument,
- pagesOverview,
- printContainer,
- printResolution,
- optionalContentConfigPromise = null,
- printAnnotationStoragePromise = null,
- l10n
- ) {
- this.pdfDocument = pdfDocument;
- this.pagesOverview = pagesOverview;
- this.printContainer = printContainer;
- this._printResolution = printResolution || 150;
- this._optionalContentConfigPromise =
- optionalContentConfigPromise ||
- pdfDocument.getOptionalContentConfig();
- this._printAnnotationStoragePromise =
- printAnnotationStoragePromise || Promise.resolve();
- this.l10n = l10n;
- this.currentPage = -1;
- this.scratchCanvas = document.createElement("canvas");
- }
- PDFPrintService.prototype = {
- layout() {
- this.throwIfInactive();
- const body = document.querySelector("body");
- body.setAttribute("data-pdfjsprinting", true);
- const hasEqualPageSizes = this.pagesOverview.every(function (size) {
- return (
- size.width === this.pagesOverview[0].width &&
- size.height === this.pagesOverview[0].height
- );
- }, this);
- if (!hasEqualPageSizes) {
- console.warn(
- "Not all pages have the same size. The printed " +
- "result may be incorrect!"
- );
- }
- this.pageStyleSheet = document.createElement("style");
- const pageSize = this.pagesOverview[0];
- this.pageStyleSheet.textContent =
- "@page { size: " +
- pageSize.width +
- "pt " +
- pageSize.height +
- "pt;}";
- body.append(this.pageStyleSheet);
- },
- destroy() {
- if (activeService !== this) {
- return;
- }
- this.printContainer.textContent = "";
- const body = document.querySelector("body");
- body.removeAttribute("data-pdfjsprinting");
- if (this.pageStyleSheet) {
- this.pageStyleSheet.remove();
- this.pageStyleSheet = null;
- }
- this.scratchCanvas.width = this.scratchCanvas.height = 0;
- this.scratchCanvas = null;
- activeService = null;
- ensureOverlay().then(function () {
- if (overlayManager.active === dialog) {
- overlayManager.close(dialog);
- }
- });
- },
- renderPages() {
- if (this.pdfDocument.isPureXfa) {
- (0, _print_utils.getXfaHtmlForPrinting)(
- this.printContainer,
- this.pdfDocument
- );
- return Promise.resolve();
- }
- const pageCount = this.pagesOverview.length;
- const renderNextPage = (resolve, reject) => {
- this.throwIfInactive();
- if (++this.currentPage >= pageCount) {
- renderProgress(pageCount, pageCount, this.l10n);
- resolve();
- return;
- }
- const index = this.currentPage;
- renderProgress(index, pageCount, this.l10n);
- renderPage(
- this,
- this.pdfDocument,
- index + 1,
- this.pagesOverview[index],
- this._printResolution,
- this._optionalContentConfigPromise,
- this._printAnnotationStoragePromise
- )
- .then(this.useRenderedPage.bind(this))
- .then(function () {
- renderNextPage(resolve, reject);
- }, reject);
- };
- return new Promise(renderNextPage);
- },
- useRenderedPage() {
- this.throwIfInactive();
- const img = document.createElement("img");
- const scratchCanvas = this.scratchCanvas;
- if ("toBlob" in scratchCanvas) {
- scratchCanvas.toBlob(function (blob) {
- img.src = URL.createObjectURL(blob);
- });
- } else {
- img.src = scratchCanvas.toDataURL();
- }
- const wrapper = document.createElement("div");
- wrapper.className = "printedPage";
- wrapper.append(img);
- this.printContainer.append(wrapper);
- return new Promise(function (resolve, reject) {
- img.onload = resolve;
- img.onerror = reject;
- });
- },
- performPrint() {
- this.throwIfInactive();
- return new Promise((resolve) => {
- setTimeout(() => {
- if (!this.active) {
- resolve();
- return;
- }
- print.call(window);
- setTimeout(resolve, 20);
- }, 0);
- });
- },
- get active() {
- return this === activeService;
- },
- throwIfInactive() {
- if (!this.active) {
- throw new Error("This print request was cancelled or completed.");
- }
- },
- };
- const print = window.print;
- window.print = function () {
- if (activeService) {
- console.warn(
- "Ignored window.print() because of a pending print job."
- );
- return;
- }
- ensureOverlay().then(function () {
- if (activeService) {
- overlayManager.open(dialog);
- }
- });
- try {
- dispatchEvent("beforeprint");
- } finally {
- if (!activeService) {
- console.error("Expected print service to be initialized.");
- ensureOverlay().then(function () {
- if (overlayManager.active === dialog) {
- overlayManager.close(dialog);
- }
- });
- return;
- }
- const activeServiceOnEntry = activeService;
- activeService
- .renderPages()
- .then(function () {
- return activeServiceOnEntry.performPrint();
- })
- .catch(function () {})
- .then(function () {
- if (activeServiceOnEntry.active) {
- abort();
- }
- });
- }
- };
- function dispatchEvent(eventType) {
- const event = document.createEvent("CustomEvent");
- event.initCustomEvent(eventType, false, false, "custom");
- window.dispatchEvent(event);
- }
- function abort() {
- if (activeService) {
- activeService.destroy();
- dispatchEvent("afterprint");
- }
- }
- function renderProgress(index, total, l10n) {
- dialog ||= document.getElementById("printServiceDialog");
- const progress = Math.round((100 * index) / total);
- const progressBar = dialog.querySelector("progress");
- const progressPerc = dialog.querySelector(".relative-progress");
- progressBar.value = progress;
- l10n
- .get("print_progress_percent", {
- progress,
- })
- .then((msg) => {
- progressPerc.textContent = msg;
- });
- }
- window.addEventListener(
- "keydown",
- function (event) {
- if (
- event.keyCode === 80 &&
- (event.ctrlKey || event.metaKey) &&
- !event.altKey &&
- (!event.shiftKey || window.chrome || window.opera)
- ) {
- window.print();
- event.preventDefault();
- event.stopImmediatePropagation();
- }
- },
- true
- );
- if ("onbeforeprint" in window) {
- const stopPropagationIfNeeded = function (event) {
- if (event.detail !== "custom") {
- event.stopImmediatePropagation();
- }
- };
- window.addEventListener("beforeprint", stopPropagationIfNeeded);
- window.addEventListener("afterprint", stopPropagationIfNeeded);
- }
- let overlayPromise;
- function ensureOverlay() {
- if (!overlayPromise) {
- overlayManager = _app.PDFViewerApplication.overlayManager;
- if (!overlayManager) {
- throw new Error(
- "The overlay manager has not yet been initialized."
- );
- }
- dialog ||= document.getElementById("printServiceDialog");
- overlayPromise = overlayManager.register(dialog, true);
- document.getElementById("printCancel").onclick = abort;
- dialog.addEventListener("close", abort);
- }
- return overlayPromise;
- }
- _app.PDFPrintServiceFactory.instance = {
- supportsPrinting: true,
- createPrintService(
- pdfDocument,
- pagesOverview,
- printContainer,
- printResolution,
- optionalContentConfigPromise,
- printAnnotationStoragePromise,
- l10n
- ) {
- if (activeService) {
- throw new Error("The print service is created and active.");
- }
- activeService = new PDFPrintService(
- pdfDocument,
- pagesOverview,
- printContainer,
- printResolution,
- optionalContentConfigPromise,
- printAnnotationStoragePromise,
- l10n
- );
- return activeService;
- },
- };
- /***/
- },
- /* 48 */
- /***/ (__unused_webpack_module, exports, __webpack_require__) => {
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- exports.getXfaHtmlForPrinting = getXfaHtmlForPrinting;
- var _pdfjsLib = __webpack_require__(4);
- var _pdf_link_service = __webpack_require__(7);
- var _xfa_layer_builder = __webpack_require__(38);
- function getXfaHtmlForPrinting(printContainer, pdfDocument) {
- const xfaHtml = pdfDocument.allXfaHtml;
- const linkService = new _pdf_link_service.SimpleLinkService();
- const scale =
- Math.round(_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100;
- for (const xfaPage of xfaHtml.children) {
- const page = document.createElement("div");
- page.className = "xfaPrintedPage";
- printContainer.append(page);
- const builder = new _xfa_layer_builder.XfaLayerBuilder({
- pageDiv: page,
- pdfPage: null,
- annotationStorage: pdfDocument.annotationStorage,
- linkService,
- xfaHtml: xfaPage,
- });
- const viewport = (0, _pdfjsLib.getXfaPageViewport)(xfaPage, {
- scale,
- });
- builder.render(viewport, "print");
- }
- }
- /***/
- },
- /******/
- ];
- /************************************************************************/
- /******/ // The module cache
- /******/ var __webpack_module_cache__ = {};
- /******/
- /******/ // The require function
- /******/ function __webpack_require__(moduleId) {
- /******/ // Check if module is in cache
- /******/ var cachedModule = __webpack_module_cache__[moduleId];
- /******/ if (cachedModule !== undefined) {
- /******/ return cachedModule.exports;
- /******/
- }
- /******/ // Create a new module (and put it into the cache)
- /******/ var module = (__webpack_module_cache__[moduleId] = {
- /******/ // no module.id needed
- /******/ // no module.loaded needed
- /******/ exports: {},
- /******/
- });
- /******/
- /******/ // Execute the module function
- /******/ __webpack_modules__[moduleId](
- module,
- module.exports,
- __webpack_require__
- );
- /******/
- /******/ // Return the exports of the module
- /******/ return module.exports;
- /******/
- }
- /******/
- /************************************************************************/
- var __webpack_exports__ = {};
- // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
- (() => {
- var exports = __webpack_exports__;
- Object.defineProperty(exports, "__esModule", {
- value: true,
- });
- Object.defineProperty(exports, "PDFViewerApplication", {
- enumerable: true,
- get: function () {
- return _app.PDFViewerApplication;
- },
- });
- exports.PDFViewerApplicationConstants = void 0;
- Object.defineProperty(exports, "PDFViewerApplicationOptions", {
- enumerable: true,
- get: function () {
- return _app_options.AppOptions;
- },
- });
- __webpack_require__(1);
- __webpack_require__(47);
- var _ui_utils = __webpack_require__(3);
- var _app_options = __webpack_require__(5);
- var _pdf_link_service = __webpack_require__(7);
- var _app = __webpack_require__(2);
- const pdfjsVersion = "3.5.141";
- const pdfjsBuild = "be0f6ee08";
- const AppConstants = {
- LinkTarget: _pdf_link_service.LinkTarget,
- RenderingStates: _ui_utils.RenderingStates,
- ScrollMode: _ui_utils.ScrollMode,
- SpreadMode: _ui_utils.SpreadMode,
- };
- exports.PDFViewerApplicationConstants = AppConstants;
- window.PDFViewerApplication = _app.PDFViewerApplication;
- window.PDFViewerApplicationConstants = AppConstants;
- window.PDFViewerApplicationOptions = _app_options.AppOptions;
- function getViewerConfiguration() {
- return {
- appContainer: document.body,
- mainContainer: document.getElementById("viewerContainer"),
- viewerContainer: document.getElementById("viewer"),
- toolbar: {
- container: document.getElementById("toolbarViewer"),
- numPages: document.getElementById("numPages"),
- pageNumber: document.getElementById("pageNumber"),
- scaleSelect: document.getElementById("scaleSelect"),
- customScaleOption: document.getElementById("customScaleOption"),
- previous: document.getElementById("previous"),
- next: document.getElementById("next"),
- zoomIn: document.getElementById("zoomIn"),
- zoomOut: document.getElementById("zoomOut"),
- viewFind: document.getElementById("viewFind"),
- openFile: document.getElementById("openFile"),
- print: document.getElementById("print"),
- editorFreeTextButton: document.getElementById("editorFreeText"),
- editorFreeTextParamsToolbar: document.getElementById(
- "editorFreeTextParamsToolbar"
- ),
- editorInkButton: document.getElementById("editorInk"),
- editorInkParamsToolbar: document.getElementById(
- "editorInkParamsToolbar"
- ),
- download: document.getElementById("download"),
- },
- secondaryToolbar: {
- toolbar: document.getElementById("secondaryToolbar"),
- toggleButton: document.getElementById("secondaryToolbarToggle"),
- presentationModeButton: document.getElementById("presentationMode"),
- openFileButton: document.getElementById("secondaryOpenFile"),
- printButton: document.getElementById("secondaryPrint"),
- downloadButton: document.getElementById("secondaryDownload"),
- viewBookmarkButton: document.getElementById("viewBookmark"),
- firstPageButton: document.getElementById("firstPage"),
- lastPageButton: document.getElementById("lastPage"),
- pageRotateCwButton: document.getElementById("pageRotateCw"),
- pageRotateCcwButton: document.getElementById("pageRotateCcw"),
- cursorSelectToolButton: document.getElementById("cursorSelectTool"),
- cursorHandToolButton: document.getElementById("cursorHandTool"),
- scrollPageButton: document.getElementById("scrollPage"),
- scrollVerticalButton: document.getElementById("scrollVertical"),
- scrollHorizontalButton: document.getElementById("scrollHorizontal"),
- scrollWrappedButton: document.getElementById("scrollWrapped"),
- spreadNoneButton: document.getElementById("spreadNone"),
- spreadOddButton: document.getElementById("spreadOdd"),
- spreadEvenButton: document.getElementById("spreadEven"),
- documentPropertiesButton:
- document.getElementById("documentProperties"),
- },
- sidebar: {
- outerContainer: document.getElementById("outerContainer"),
- sidebarContainer: document.getElementById("sidebarContainer"),
- toggleButton: document.getElementById("sidebarToggle"),
- thumbnailButton: document.getElementById("viewThumbnail"),
- outlineButton: document.getElementById("viewOutline"),
- attachmentsButton: document.getElementById("viewAttachments"),
- layersButton: document.getElementById("viewLayers"),
- thumbnailView: document.getElementById("thumbnailView"),
- outlineView: document.getElementById("outlineView"),
- attachmentsView: document.getElementById("attachmentsView"),
- layersView: document.getElementById("layersView"),
- outlineOptionsContainer: document.getElementById(
- "outlineOptionsContainer"
- ),
- currentOutlineItemButton:
- document.getElementById("currentOutlineItem"),
- },
- sidebarResizer: {
- outerContainer: document.getElementById("outerContainer"),
- resizer: document.getElementById("sidebarResizer"),
- },
- findBar: {
- bar: document.getElementById("findbar"),
- toggleButton: document.getElementById("viewFind"),
- findField: document.getElementById("findInput"),
- highlightAllCheckbox: document.getElementById("findHighlightAll"),
- caseSensitiveCheckbox: document.getElementById("findMatchCase"),
- matchDiacriticsCheckbox: document.getElementById(
- "findMatchDiacritics"
- ),
- entireWordCheckbox: document.getElementById("findEntireWord"),
- findMsg: document.getElementById("findMsg"),
- findResultsCount: document.getElementById("findResultsCount"),
- findPreviousButton: document.getElementById("findPrevious"),
- findNextButton: document.getElementById("findNext"),
- },
- passwordOverlay: {
- dialog: document.getElementById("passwordDialog"),
- label: document.getElementById("passwordText"),
- input: document.getElementById("password"),
- submitButton: document.getElementById("passwordSubmit"),
- cancelButton: document.getElementById("passwordCancel"),
- },
- documentProperties: {
- dialog: document.getElementById("documentPropertiesDialog"),
- closeButton: document.getElementById("documentPropertiesClose"),
- fields: {
- fileName: document.getElementById("fileNameField"),
- fileSize: document.getElementById("fileSizeField"),
- title: document.getElementById("titleField"),
- author: document.getElementById("authorField"),
- subject: document.getElementById("subjectField"),
- keywords: document.getElementById("keywordsField"),
- creationDate: document.getElementById("creationDateField"),
- modificationDate: document.getElementById("modificationDateField"),
- creator: document.getElementById("creatorField"),
- producer: document.getElementById("producerField"),
- version: document.getElementById("versionField"),
- pageCount: document.getElementById("pageCountField"),
- pageSize: document.getElementById("pageSizeField"),
- linearized: document.getElementById("linearizedField"),
- },
- },
- annotationEditorParams: {
- editorFreeTextFontSize: document.getElementById(
- "editorFreeTextFontSize"
- ),
- editorFreeTextColor: document.getElementById("editorFreeTextColor"),
- editorInkColor: document.getElementById("editorInkColor"),
- editorInkThickness: document.getElementById("editorInkThickness"),
- editorInkOpacity: document.getElementById("editorInkOpacity"),
- },
- printContainer: document.getElementById("printContainer"),
- openFileInput: document.getElementById("fileInput"),
- debuggerScriptPath: "./debugger.js",
- };
- }
- function webViewerLoad() {
- const config = getViewerConfiguration();
- const event = document.createEvent("CustomEvent");
- event.initCustomEvent("webviewerloaded", true, true, {
- source: window,
- });
- try {
- parent.document.dispatchEvent(event);
- } catch (ex) {
- console.error(`webviewerloaded: ${ex}`);
- document.dispatchEvent(event);
- }
- _app.PDFViewerApplication.run(config);
- }
- document.blockUnblockOnload?.(true);
- if (
- document.readyState === "interactive" ||
- document.readyState === "complete"
- ) {
- webViewerLoad();
- } else {
- document.addEventListener("DOMContentLoaded", webViewerLoad, true);
- }
- })();
- /******/
- })();
- //# sourceMappingURL=viewer.js.map
|