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viewer.js
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viewer.js
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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 => {