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2716 lines
74 KiB
2716 lines
74 KiB
/**
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* @licstart The following is the entire license notice for the
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* Javascript code in this page
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*
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* Copyright 2020 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @licend The above is the entire license notice for the
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* Javascript code in this page
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*/
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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exports.PDFPrintServiceFactory = exports.DefaultExternalServices = exports.PDFViewerApplication = void 0;
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var _ui_utils = require("./ui_utils.js");
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var _app_options = require("./app_options.js");
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var _pdf = require("../pdf");
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var _pdf_cursor_tools = require("./pdf_cursor_tools.js");
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var _pdf_rendering_queue = require("./pdf_rendering_queue.js");
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var _pdf_sidebar = require("./pdf_sidebar.js");
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var _overlay_manager = require("./overlay_manager.js");
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var _password_prompt = require("./password_prompt.js");
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var _pdf_attachment_viewer = require("./pdf_attachment_viewer.js");
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var _pdf_document_properties = require("./pdf_document_properties.js");
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var _pdf_find_bar = require("./pdf_find_bar.js");
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var _pdf_find_controller = require("./pdf_find_controller.js");
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var _pdf_history = require("./pdf_history.js");
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var _pdf_layer_viewer = require("./pdf_layer_viewer.js");
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var _pdf_link_service = require("./pdf_link_service.js");
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var _pdf_outline_viewer = require("./pdf_outline_viewer.js");
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var _pdf_presentation_mode = require("./pdf_presentation_mode.js");
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var _pdf_sidebar_resizer = require("./pdf_sidebar_resizer.js");
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var _pdf_thumbnail_viewer = require("./pdf_thumbnail_viewer.js");
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var _pdf_viewer = require("./pdf_viewer.js");
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var _secondary_toolbar = require("./secondary_toolbar.js");
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var _toolbar = require("./toolbar.js");
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var _viewer_compatibility = require("./viewer_compatibility.js");
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var _view_history = require("./view_history.js");
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const DEFAULT_SCALE_DELTA = 1.1;
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const DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
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const FORCE_PAGES_LOADED_TIMEOUT = 10000;
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const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
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const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
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const ViewOnLoad = {
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UNKNOWN: -1,
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PREVIOUS: 0,
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INITIAL: 1
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};
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const KNOWN_VERSIONS = ["1.0", "1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7", "1.8", "1.9", "2.0", "2.1", "2.2", "2.3"];
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const KNOWN_GENERATORS = ["acrobat distiller", "acrobat pdfwriter", "adobe livecycle", "adobe pdf library", "adobe photoshop", "ghostscript", "tcpdf", "cairo", "dvipdfm", "dvips", "pdftex", "pdfkit", "itext", "prince", "quarkxpress", "mac os x", "microsoft", "openoffice", "oracle", "luradocument", "pdf-xchange", "antenna house", "aspose.cells", "fpdf"];
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class DefaultExternalServices {
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constructor() {
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throw new Error("Cannot initialize DefaultExternalServices.");
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}
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static updateFindControlState(data) {}
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static updateFindMatchesCount(data) {}
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static initPassiveLoading(callbacks) {}
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static fallback(data, callback) {}
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static reportTelemetry(data) {}
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static createDownloadManager(options) {
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throw new Error("Not implemented: createDownloadManager");
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}
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static createPreferences() {
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throw new Error("Not implemented: createPreferences");
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}
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static createL10n(options) {
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throw new Error("Not implemented: createL10n");
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}
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static get supportsIntegratedFind() {
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return (0, _pdf.shadow)(this, "supportsIntegratedFind", false);
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}
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static get supportsDocumentFonts() {
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return (0, _pdf.shadow)(this, "supportsDocumentFonts", true);
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}
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static get supportedMouseWheelZoomModifierKeys() {
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return (0, _pdf.shadow)(this, "supportedMouseWheelZoomModifierKeys", {
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ctrlKey: true,
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metaKey: true
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});
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}
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static get isInAutomation() {
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return (0, _pdf.shadow)(this, "isInAutomation", false);
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}
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}
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exports.DefaultExternalServices = DefaultExternalServices;
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const PDFViewerApplication = {
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initialBookmark: document.location.hash.substring(1),
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_initializedCapability: (0, _pdf.createPromiseCapability)(),
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fellback: false,
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appConfig: null,
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pdfDocument: null,
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pdfLoadingTask: null,
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printService: null,
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pdfViewer: null,
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pdfThumbnailViewer: null,
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pdfRenderingQueue: null,
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pdfPresentationMode: null,
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pdfDocumentProperties: null,
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pdfLinkService: null,
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pdfHistory: null,
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pdfSidebar: null,
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pdfSidebarResizer: null,
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pdfOutlineViewer: null,
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pdfAttachmentViewer: null,
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pdfLayerViewer: null,
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pdfCursorTools: null,
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store: null,
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downloadManager: null,
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overlayManager: null,
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preferences: null,
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toolbar: null,
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secondaryToolbar: null,
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eventBus: null,
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l10n: null,
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isInitialViewSet: false,
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downloadComplete: false,
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isViewerEmbedded: window.parent !== window,
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url: "",
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baseUrl: "",
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externalServices: DefaultExternalServices,
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_boundEvents: {},
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contentDispositionFilename: null,
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triggerDelayedFallback: null,
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_saveInProgress: false,
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_wheelUnusedTicks: 0,
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async initialize(appConfig) {
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this.preferences = this.externalServices.createPreferences();
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this.appConfig = appConfig;
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await this._readPreferences();
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await this._parseHashParameters();
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await this._initializeL10n();
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if (this.isViewerEmbedded && _app_options.AppOptions.get("externalLinkTarget") === _pdf.LinkTarget.NONE) {
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_app_options.AppOptions.set("externalLinkTarget", _pdf.LinkTarget.TOP);
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}
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await this._initializeViewerComponents();
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this.bindEvents();
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this.bindWindowEvents();
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const appContainer = appConfig.appContainer || document.documentElement;
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this.l10n.translate(appContainer).then(() => {
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this.eventBus.dispatch("localized", {
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source: this
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});
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});
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this._initializedCapability.resolve();
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},
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async _readPreferences() {
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if (_app_options.AppOptions.get("disablePreferences")) {
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return;
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}
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try {
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const prefs = await this.preferences.getAll();
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for (const name in prefs) {
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_app_options.AppOptions.set(name, prefs[name]);
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}
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} catch (reason) {
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console.error(`_readPreferences: "${reason.message}".`);
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}
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},
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async _parseHashParameters() {
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if (!_app_options.AppOptions.get("pdfBugEnabled")) {
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return undefined;
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}
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const hash = document.location.hash.substring(1);
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if (!hash) {
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return undefined;
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}
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const hashParams = (0, _ui_utils.parseQueryString)(hash),
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waitOn = [];
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if ("disableworker" in hashParams && hashParams.disableworker === "true") {
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waitOn.push(loadFakeWorker());
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}
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if ("disablerange" in hashParams) {
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_app_options.AppOptions.set("disableRange", hashParams.disablerange === "true");
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}
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if ("disablestream" in hashParams) {
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_app_options.AppOptions.set("disableStream", hashParams.disablestream === "true");
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}
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if ("disableautofetch" in hashParams) {
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_app_options.AppOptions.set("disableAutoFetch", hashParams.disableautofetch === "true");
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}
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if ("disablefontface" in hashParams) {
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_app_options.AppOptions.set("disableFontFace", hashParams.disablefontface === "true");
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}
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if ("disablehistory" in hashParams) {
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_app_options.AppOptions.set("disableHistory", hashParams.disablehistory === "true");
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}
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if ("webgl" in hashParams) {
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_app_options.AppOptions.set("enableWebGL", hashParams.webgl === "true");
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}
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if ("verbosity" in hashParams) {
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_app_options.AppOptions.set("verbosity", hashParams.verbosity | 0);
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}
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if ("textlayer" in hashParams) {
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switch (hashParams.textlayer) {
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case "off":
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_app_options.AppOptions.set("textLayerMode", _ui_utils.TextLayerMode.DISABLE);
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break;
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case "visible":
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case "shadow":
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case "hover":
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const viewer = this.appConfig.viewerContainer;
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viewer.classList.add("textLayer-" + hashParams.textlayer);
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break;
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}
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}
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if ("pdfbug" in hashParams) {
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_app_options.AppOptions.set("pdfBug", true);
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_app_options.AppOptions.set("fontExtraProperties", true);
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const enabled = hashParams.pdfbug.split(",");
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waitOn.push(loadAndEnablePDFBug(enabled));
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}
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if ("locale" in hashParams) {
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_app_options.AppOptions.set("locale", hashParams.locale);
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}
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return Promise.all(waitOn).catch(reason => {
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console.error(`_parseHashParameters: "${reason.message}".`);
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});
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},
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async _initializeL10n() {
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this.l10n = this.externalServices.createL10n({
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locale: _app_options.AppOptions.get("locale")
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});
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const dir = await this.l10n.getDirection();
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document.getElementsByTagName("html")[0].dir = dir;
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},
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async _initializeViewerComponents() {
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const appConfig = this.appConfig;
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const eventBus = appConfig.eventBus || new _ui_utils.EventBus({
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isInAutomation: this.externalServices.isInAutomation
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});
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this.eventBus = eventBus;
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this.overlayManager = new _overlay_manager.OverlayManager();
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const pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
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pdfRenderingQueue.onIdle = this.cleanup.bind(this);
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this.pdfRenderingQueue = pdfRenderingQueue;
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const pdfLinkService = new _pdf_link_service.PDFLinkService({
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eventBus,
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externalLinkTarget: _app_options.AppOptions.get("externalLinkTarget"),
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externalLinkRel: _app_options.AppOptions.get("externalLinkRel"),
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ignoreDestinationZoom: _app_options.AppOptions.get("ignoreDestinationZoom")
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});
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this.pdfLinkService = pdfLinkService;
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const downloadManager = this.externalServices.createDownloadManager();
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this.downloadManager = downloadManager;
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const findController = new _pdf_find_controller.PDFFindController({
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linkService: pdfLinkService,
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eventBus
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});
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this.findController = findController;
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const container = appConfig.mainContainer;
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const viewer = appConfig.viewerContainer;
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this.pdfViewer = new _pdf_viewer.PDFViewer({
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container,
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viewer,
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eventBus,
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renderingQueue: pdfRenderingQueue,
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linkService: pdfLinkService,
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downloadManager,
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findController,
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renderer: _app_options.AppOptions.get("renderer"),
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enableWebGL: _app_options.AppOptions.get("enableWebGL"),
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l10n: this.l10n,
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textLayerMode: _app_options.AppOptions.get("textLayerMode"),
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imageResourcesPath: _app_options.AppOptions.get("imageResourcesPath"),
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renderInteractiveForms: _app_options.AppOptions.get("renderInteractiveForms"),
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enablePrintAutoRotate: _app_options.AppOptions.get("enablePrintAutoRotate"),
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useOnlyCssZoom: _app_options.AppOptions.get("useOnlyCssZoom"),
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maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels")
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});
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pdfRenderingQueue.setViewer(this.pdfViewer);
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pdfLinkService.setViewer(this.pdfViewer);
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this.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
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container: appConfig.sidebar.thumbnailView,
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eventBus,
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renderingQueue: pdfRenderingQueue,
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linkService: pdfLinkService,
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l10n: this.l10n
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});
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pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
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this.pdfHistory = new _pdf_history.PDFHistory({
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linkService: pdfLinkService,
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eventBus
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});
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pdfLinkService.setHistory(this.pdfHistory);
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if (!this.supportsIntegratedFind) {
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this.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
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}
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this.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n);
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this.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
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container,
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eventBus,
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cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad")
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});
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this.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
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this.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
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if (this.supportsFullscreen) {
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this.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
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container,
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pdfViewer: this.pdfViewer,
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eventBus,
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contextMenuItems: appConfig.fullscreen
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});
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}
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this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n);
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this.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
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container: appConfig.sidebar.outlineView,
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eventBus,
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linkService: pdfLinkService
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});
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this.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
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container: appConfig.sidebar.attachmentsView,
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eventBus,
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downloadManager
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});
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this.pdfLayerViewer = new _pdf_layer_viewer.PDFLayerViewer({
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container: appConfig.sidebar.layersView,
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eventBus,
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l10n: this.l10n
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});
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this.pdfSidebar = new _pdf_sidebar.PDFSidebar({
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elements: appConfig.sidebar,
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pdfViewer: this.pdfViewer,
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pdfThumbnailViewer: this.pdfThumbnailViewer,
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eventBus,
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l10n: this.l10n
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});
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this.pdfSidebar.onToggled = this.forceRendering.bind(this);
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this.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);
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},
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run(config) {
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this.initialize(config).then(webViewerInitialized);
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},
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get initialized() {
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return this._initializedCapability.settled;
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},
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get initializedPromise() {
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return this._initializedCapability.promise;
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},
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zoomIn(ticks) {
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if (this.pdfViewer.isInPresentationMode) {
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return;
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}
|
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let newScale = this.pdfViewer.currentScale;
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do {
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newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
|
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newScale = Math.ceil(newScale * 10) / 10;
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newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
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} while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE);
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this.pdfViewer.currentScaleValue = newScale;
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},
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zoomOut(ticks) {
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if (this.pdfViewer.isInPresentationMode) {
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return;
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}
|
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let newScale = this.pdfViewer.currentScale;
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do {
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newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
|
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newScale = Math.floor(newScale * 10) / 10;
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newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
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} while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE);
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this.pdfViewer.currentScaleValue = newScale;
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},
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zoomReset() {
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if (this.pdfViewer.isInPresentationMode) {
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return;
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|
}
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this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
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|
},
|
|
|
|
get pagesCount() {
|
|
return this.pdfDocument ? this.pdfDocument.numPages : 0;
|
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},
|
|
|
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get page() {
|
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return this.pdfViewer.currentPageNumber;
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},
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set page(val) {
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this.pdfViewer.currentPageNumber = val;
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},
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get printing() {
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return !!this.printService;
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},
|
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get supportsPrinting() {
|
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return PDFPrintServiceFactory.instance.supportsPrinting;
|
|
},
|
|
|
|
get supportsFullscreen() {
|
|
let support;
|
|
const doc = document.documentElement;
|
|
support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen || doc.msRequestFullscreen);
|
|
|
|
if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false || document.msFullscreenEnabled === false) {
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support = false;
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|
}
|
|
|
|
return (0, _pdf.shadow)(this, "supportsFullscreen", support);
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},
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|
|
|
get supportsIntegratedFind() {
|
|
return this.externalServices.supportsIntegratedFind;
|
|
},
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|
|
|
get supportsDocumentFonts() {
|
|
return this.externalServices.supportsDocumentFonts;
|
|
},
|
|
|
|
get loadingBar() {
|
|
const bar = new _ui_utils.ProgressBar("#loadingBar");
|
|
return (0, _pdf.shadow)(this, "loadingBar", bar);
|
|
},
|
|
|
|
get supportedMouseWheelZoomModifierKeys() {
|
|
return this.externalServices.supportedMouseWheelZoomModifierKeys;
|
|
},
|
|
|
|
initPassiveLoading() {
|
|
throw new Error("Not implemented: initPassiveLoading");
|
|
},
|
|
|
|
setTitleUsingUrl(url = "") {
|
|
this.url = url;
|
|
this.baseUrl = url.split("#")[0];
|
|
let title = (0, _ui_utils.getPDFFileNameFromURL)(url, "");
|
|
|
|
if (!title) {
|
|
try {
|
|
title = decodeURIComponent((0, _pdf.getFilenameFromUrl)(url)) || url;
|
|
} catch (ex) {
|
|
title = url;
|
|
}
|
|
}
|
|
|
|
this.setTitle(title);
|
|
},
|
|
|
|
setTitle(title) {
|
|
if (this.isViewerEmbedded) {
|
|
return;
|
|
}
|
|
|
|
document.title = title;
|
|
},
|
|
|
|
async close() {
|
|
const errorWrapper = this.appConfig.errorWrapper.container;
|
|
errorWrapper.setAttribute("hidden", "true");
|
|
|
|
if (!this.pdfLoadingTask) {
|
|
return undefined;
|
|
}
|
|
|
|
const promise = 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);
|
|
}
|
|
|
|
webViewerResetPermissions();
|
|
this.store = null;
|
|
this.isInitialViewSet = false;
|
|
this.downloadComplete = false;
|
|
this.url = "";
|
|
this.baseUrl = "";
|
|
this.contentDispositionFilename = null;
|
|
this.triggerDelayedFallback = null;
|
|
this._saveInProgress = false;
|
|
this.pdfSidebar.reset();
|
|
this.pdfOutlineViewer.reset();
|
|
this.pdfAttachmentViewer.reset();
|
|
this.pdfLayerViewer.reset();
|
|
|
|
if (this.pdfHistory) {
|
|
this.pdfHistory.reset();
|
|
}
|
|
|
|
if (this.findBar) {
|
|
this.findBar.reset();
|
|
}
|
|
|
|
this.toolbar.reset();
|
|
this.secondaryToolbar.reset();
|
|
|
|
if (typeof PDFBug !== "undefined") {
|
|
PDFBug.cleanup();
|
|
}
|
|
|
|
return promise;
|
|
},
|
|
|
|
async open(file, args) {
|
|
if (this.pdfLoadingTask) {
|
|
await this.close();
|
|
}
|
|
|
|
const workerParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER);
|
|
|
|
for (const key in workerParameters) {
|
|
_pdf.GlobalWorkerOptions[key] = workerParameters[key];
|
|
}
|
|
|
|
const parameters = Object.create(null);
|
|
|
|
if (typeof file === "string") {
|
|
this.setTitleUsingUrl(file);
|
|
parameters.url = file;
|
|
} else if (file && "byteLength" in file) {
|
|
parameters.data = file;
|
|
} else if (file.url && file.originalUrl) {
|
|
this.setTitleUsingUrl(file.originalUrl);
|
|
parameters.url = file.url;
|
|
}
|
|
|
|
const apiParameters = _app_options.AppOptions.getAll(_app_options.OptionKind.API);
|
|
|
|
for (const key in apiParameters) {
|
|
let value = apiParameters[key];
|
|
|
|
if (key === "docBaseUrl" && !value) {}
|
|
|
|
parameters[key] = value;
|
|
}
|
|
|
|
if (args) {
|
|
for (const key in args) {
|
|
const value = args[key];
|
|
|
|
if (key === "length") {
|
|
this.pdfDocumentProperties.setFileSize(value);
|
|
}
|
|
|
|
parameters[key] = value;
|
|
}
|
|
}
|
|
|
|
const loadingTask = (0, _pdf.getDocument)(parameters);
|
|
this.pdfLoadingTask = loadingTask;
|
|
|
|
loadingTask.onPassword = (updateCallback, reason) => {
|
|
this.pdfLinkService.externalLinkEnabled = false;
|
|
this.passwordPrompt.setUpdateCallback(updateCallback, reason);
|
|
this.passwordPrompt.open();
|
|
};
|
|
|
|
loadingTask.onProgress = ({
|
|
loaded,
|
|
total
|
|
}) => {
|
|
this.progress(loaded / total);
|
|
};
|
|
|
|
loadingTask.onUnsupportedFeature = this.fallback.bind(this);
|
|
return loadingTask.promise.then(pdfDocument => {
|
|
this.load(pdfDocument);
|
|
}, exception => {
|
|
if (loadingTask !== this.pdfLoadingTask) {
|
|
return undefined;
|
|
}
|
|
|
|
const message = exception && exception.message;
|
|
let loadingErrorMessage;
|
|
|
|
if (exception instanceof _pdf.InvalidPDFException) {
|
|
loadingErrorMessage = this.l10n.get("invalid_file_error", null, "Invalid or corrupted PDF file.");
|
|
} else if (exception instanceof _pdf.MissingPDFException) {
|
|
loadingErrorMessage = this.l10n.get("missing_file_error", null, "Missing PDF file.");
|
|
} else if (exception instanceof _pdf.UnexpectedResponseException) {
|
|
loadingErrorMessage = this.l10n.get("unexpected_response_error", null, "Unexpected server response.");
|
|
} else {
|
|
loadingErrorMessage = this.l10n.get("loading_error", null, "An error occurred while loading the PDF.");
|
|
}
|
|
|
|
return loadingErrorMessage.then(msg => {
|
|
this.error(msg, {
|
|
message
|
|
});
|
|
throw exception;
|
|
});
|
|
});
|
|
},
|
|
|
|
download({
|
|
sourceEventType = "download"
|
|
} = {}) {
|
|
function downloadByUrl() {
|
|
downloadManager.downloadUrl(url, filename);
|
|
}
|
|
|
|
const url = this.baseUrl;
|
|
const filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url);
|
|
const downloadManager = this.downloadManager;
|
|
|
|
downloadManager.onerror = err => {
|
|
this.error(`PDF failed to download: ${err}`);
|
|
};
|
|
|
|
if (!this.pdfDocument || !this.downloadComplete) {
|
|
downloadByUrl();
|
|
return;
|
|
}
|
|
|
|
this.pdfDocument.getData().then(function (data) {
|
|
const blob = new Blob([data], {
|
|
type: "application/pdf"
|
|
});
|
|
downloadManager.download(blob, url, filename, sourceEventType);
|
|
}).catch(downloadByUrl);
|
|
},
|
|
|
|
save({
|
|
sourceEventType = "download"
|
|
} = {}) {
|
|
if (this._saveInProgress) {
|
|
return;
|
|
}
|
|
|
|
const url = this.baseUrl;
|
|
const filename = this.contentDispositionFilename || (0, _ui_utils.getPDFFileNameFromURL)(this.url);
|
|
const downloadManager = this.downloadManager;
|
|
|
|
downloadManager.onerror = err => {
|
|
this.error(`PDF failed to be saved: ${err}`);
|
|
};
|
|
|
|
if (!this.pdfDocument || !this.downloadComplete) {
|
|
this.download({
|
|
sourceEventType
|
|
});
|
|
return;
|
|
}
|
|
|
|
this._saveInProgress = true;
|
|
this.pdfDocument.saveDocument(this.pdfDocument.annotationStorage).then(data => {
|
|
const blob = new Blob([data], {
|
|
type: "application/pdf"
|
|
});
|
|
downloadManager.download(blob, url, filename, sourceEventType);
|
|
}).catch(() => {
|
|
this.download({
|
|
sourceEventType
|
|
});
|
|
}).finally(() => {
|
|
this._saveInProgress = false;
|
|
});
|
|
},
|
|
|
|
_delayedFallback(featureId) {
|
|
this.externalServices.reportTelemetry({
|
|
type: "unsupportedFeature",
|
|
featureId
|
|
});
|
|
|
|
if (!this.triggerDelayedFallback) {
|
|
this.triggerDelayedFallback = () => {
|
|
this.fallback(featureId);
|
|
this.triggerDelayedFallback = null;
|
|
};
|
|
}
|
|
},
|
|
|
|
fallback(featureId) {
|
|
this.externalServices.reportTelemetry({
|
|
type: "unsupportedFeature",
|
|
featureId
|
|
});
|
|
|
|
if (this.fellback) {
|
|
return;
|
|
}
|
|
|
|
this.fellback = true;
|
|
this.externalServices.fallback({
|
|
featureId,
|
|
url: this.baseUrl
|
|
}, function response(download) {
|
|
if (!download) {
|
|
return;
|
|
}
|
|
|
|
PDFViewerApplication.download({
|
|
sourceEventType: "download"
|
|
});
|
|
});
|
|
},
|
|
|
|
error(message, moreInfo) {
|
|
const moreInfoText = [this.l10n.get("error_version_info", {
|
|
version: _pdf.version || "?",
|
|
build: _pdf.build || "?"
|
|
}, "PDF.js v{{version}} (build: {{build}})")];
|
|
|
|
if (moreInfo) {
|
|
moreInfoText.push(this.l10n.get("error_message", {
|
|
message: moreInfo.message
|
|
}, "Message: {{message}}"));
|
|
|
|
if (moreInfo.stack) {
|
|
moreInfoText.push(this.l10n.get("error_stack", {
|
|
stack: moreInfo.stack
|
|
}, "Stack: {{stack}}"));
|
|
} else {
|
|
if (moreInfo.filename) {
|
|
moreInfoText.push(this.l10n.get("error_file", {
|
|
file: moreInfo.filename
|
|
}, "File: {{file}}"));
|
|
}
|
|
|
|
if (moreInfo.lineNumber) {
|
|
moreInfoText.push(this.l10n.get("error_line", {
|
|
line: moreInfo.lineNumber
|
|
}, "Line: {{line}}"));
|
|
}
|
|
}
|
|
}
|
|
|
|
const errorWrapperConfig = this.appConfig.errorWrapper;
|
|
const errorWrapper = errorWrapperConfig.container;
|
|
errorWrapper.removeAttribute("hidden");
|
|
const errorMessage = errorWrapperConfig.errorMessage;
|
|
errorMessage.textContent = message;
|
|
const closeButton = errorWrapperConfig.closeButton;
|
|
|
|
closeButton.onclick = function () {
|
|
errorWrapper.setAttribute("hidden", "true");
|
|
};
|
|
|
|
const errorMoreInfo = errorWrapperConfig.errorMoreInfo;
|
|
const moreInfoButton = errorWrapperConfig.moreInfoButton;
|
|
const lessInfoButton = errorWrapperConfig.lessInfoButton;
|
|
|
|
moreInfoButton.onclick = function () {
|
|
errorMoreInfo.removeAttribute("hidden");
|
|
moreInfoButton.setAttribute("hidden", "true");
|
|
lessInfoButton.removeAttribute("hidden");
|
|
errorMoreInfo.style.height = errorMoreInfo.scrollHeight + "px";
|
|
};
|
|
|
|
lessInfoButton.onclick = function () {
|
|
errorMoreInfo.setAttribute("hidden", "true");
|
|
moreInfoButton.removeAttribute("hidden");
|
|
lessInfoButton.setAttribute("hidden", "true");
|
|
};
|
|
|
|
moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
|
|
lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
|
|
closeButton.oncontextmenu = _ui_utils.noContextMenuHandler;
|
|
moreInfoButton.removeAttribute("hidden");
|
|
lessInfoButton.setAttribute("hidden", "true");
|
|
Promise.all(moreInfoText).then(parts => {
|
|
errorMoreInfo.value = parts.join("\n");
|
|
});
|
|
},
|
|
|
|
progress(level) {
|
|
if (this.downloadComplete) {
|
|
return;
|
|
}
|
|
|
|
const percent = Math.round(level * 100);
|
|
|
|
if (percent > this.loadingBar.percent || isNaN(percent)) {
|
|
this.loadingBar.percent = percent;
|
|
const disableAutoFetch = this.pdfDocument ? this.pdfDocument.loadingParams.disableAutoFetch : _app_options.AppOptions.get("disableAutoFetch");
|
|
|
|
if (disableAutoFetch && percent) {
|
|
if (this.disableAutoFetchLoadingBarTimeout) {
|
|
clearTimeout(this.disableAutoFetchLoadingBarTimeout);
|
|
this.disableAutoFetchLoadingBarTimeout = null;
|
|
}
|
|
|
|
this.loadingBar.show();
|
|
this.disableAutoFetchLoadingBarTimeout = setTimeout(() => {
|
|
this.loadingBar.hide();
|
|
this.disableAutoFetchLoadingBarTimeout = null;
|
|
}, DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT);
|
|
}
|
|
}
|
|
},
|
|
|
|
load(pdfDocument) {
|
|
this.pdfDocument = pdfDocument;
|
|
pdfDocument.getDownloadInfo().then(() => {
|
|
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);
|
|
let baseDocumentUrl;
|
|
baseDocumentUrl = null;
|
|
this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
|
|
this.pdfDocumentProperties.setDocument(pdfDocument, this.url);
|
|
const annotationStorage = pdfDocument.annotationStorage;
|
|
|
|
annotationStorage.onSetModified = function () {
|
|
window.addEventListener("beforeunload", beforeUnload);
|
|
};
|
|
|
|
annotationStorage.onResetModified = function () {
|
|
window.removeEventListener("beforeunload", beforeUnload);
|
|
};
|
|
|
|
const pdfViewer = this.pdfViewer;
|
|
pdfViewer.setDocument(pdfDocument);
|
|
const {
|
|
firstPagePromise,
|
|
onePageRendered,
|
|
pagesPromise
|
|
} = pdfViewer;
|
|
const pdfThumbnailViewer = this.pdfThumbnailViewer;
|
|
pdfThumbnailViewer.setDocument(pdfDocument);
|
|
const storedPromise = (this.store = new _view_history.ViewHistory(pdfDocument.fingerprint)).getMultiple({
|
|
page: null,
|
|
zoom: _ui_utils.DEFAULT_SCALE_VALUE,
|
|
scrollLeft: "0",
|
|
scrollTop: "0",
|
|
rotation: null,
|
|
sidebarView: _pdf_sidebar.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);
|
|
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.fingerprint,
|
|
viewOnLoad,
|
|
initialDest: openAction && 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 === _pdf_sidebar.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 === _pdf_sidebar.SidebarView.UNKNOWN) {
|
|
sidebarView = apiPageModeToSidebarView(pageMode);
|
|
}
|
|
|
|
if (pageLayout && spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
|
|
spreadMode = apiPageLayoutToSpreadMode(pageLayout);
|
|
}
|
|
|
|
this.setInitialView(hash, {
|
|
rotation,
|
|
sidebarView,
|
|
scrollMode,
|
|
spreadMode
|
|
});
|
|
this.eventBus.dispatch("documentinit", {
|
|
source: this
|
|
});
|
|
|
|
if (!this.isViewerEmbedded) {
|
|
pdfViewer.focus();
|
|
}
|
|
|
|
this._initializePermissions(pdfDocument);
|
|
|
|
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._initializeAutoPrint(pdfDocument, openActionPromise);
|
|
});
|
|
onePageRendered.then(() => {
|
|
pdfDocument.getOutline().then(outline => {
|
|
this.pdfOutlineViewer.render({
|
|
outline
|
|
});
|
|
});
|
|
pdfDocument.getAttachments().then(attachments => {
|
|
this.pdfAttachmentViewer.render({
|
|
attachments
|
|
});
|
|
});
|
|
pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => {
|
|
this.pdfLayerViewer.render({
|
|
optionalContentConfig,
|
|
pdfDocument
|
|
});
|
|
});
|
|
});
|
|
|
|
this._initializePageLabels(pdfDocument);
|
|
|
|
this._initializeMetadata(pdfDocument);
|
|
},
|
|
|
|
async _initializeAutoPrint(pdfDocument, openActionPromise) {
|
|
const [openAction, javaScript] = await Promise.all([openActionPromise, pdfDocument.getJavaScript()]);
|
|
|
|
if (pdfDocument !== this.pdfDocument) {
|
|
return;
|
|
}
|
|
|
|
let triggerAutoPrint = false;
|
|
|
|
if (openAction && openAction.action === "Print") {
|
|
triggerAutoPrint = true;
|
|
}
|
|
|
|
if (javaScript) {
|
|
javaScript.some(js => {
|
|
if (!js) {
|
|
return false;
|
|
}
|
|
|
|
console.warn("Warning: JavaScript is not supported");
|
|
|
|
this._delayedFallback(_pdf.UNSUPPORTED_FEATURES.javaScript);
|
|
|
|
return true;
|
|
});
|
|
|
|
if (!triggerAutoPrint) {
|
|
for (const js of javaScript) {
|
|
if (js && _ui_utils.AutoPrintRegExp.test(js)) {
|
|
triggerAutoPrint = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!this.supportsPrinting) {
|
|
return;
|
|
}
|
|
|
|
if (triggerAutoPrint) {
|
|
setTimeout(function () {
|
|
window.print();
|
|
});
|
|
}
|
|
},
|
|
|
|
async _initializeMetadata(pdfDocument) {
|
|
const {
|
|
info,
|
|
metadata,
|
|
contentDispositionFilename
|
|
} = await pdfDocument.getMetadata();
|
|
|
|
if (pdfDocument !== this.pdfDocument) {
|
|
return;
|
|
}
|
|
|
|
this.documentInfo = info;
|
|
this.metadata = metadata;
|
|
this.contentDispositionFilename = contentDispositionFilename;
|
|
console.log(`PDF ${pdfDocument.fingerprint} [${info.PDFFormatVersion} ` + `${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` + `(PDF.js: ${_pdf.version || "-"}` + `${this.pdfViewer.enableWebGL ? " [WebGL]" : ""})`);
|
|
let pdfTitle;
|
|
const infoTitle = info && info.Title;
|
|
|
|
if (infoTitle) {
|
|
pdfTitle = infoTitle;
|
|
}
|
|
|
|
const metadataTitle = metadata && metadata.get("dc:title");
|
|
|
|
if (metadataTitle) {
|
|
if (metadataTitle !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) {
|
|
pdfTitle = metadataTitle;
|
|
}
|
|
}
|
|
|
|
if (pdfTitle) {
|
|
this.setTitle(`${pdfTitle} - ${contentDispositionFilename || document.title}`);
|
|
} else if (contentDispositionFilename) {
|
|
this.setTitle(contentDispositionFilename);
|
|
}
|
|
|
|
if (info.IsXFAPresent && !info.IsAcroFormPresent) {
|
|
console.warn("Warning: XFA is not supported");
|
|
|
|
this._delayedFallback(_pdf.UNSUPPORTED_FEATURES.forms);
|
|
} else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderInteractiveForms) {
|
|
console.warn("Warning: Interactive form support is not enabled");
|
|
|
|
this._delayedFallback(_pdf.UNSUPPORTED_FEATURES.forms);
|
|
}
|
|
|
|
let versionId = "other";
|
|
|
|
if (KNOWN_VERSIONS.includes(info.PDFFormatVersion)) {
|
|
versionId = `v${info.PDFFormatVersion.replace(".", "_")}`;
|
|
}
|
|
|
|
let generatorId = "other";
|
|
|
|
if (info.Producer) {
|
|
const producer = info.Producer.toLowerCase();
|
|
KNOWN_GENERATORS.some(function (generator) {
|
|
if (!producer.includes(generator)) {
|
|
return false;
|
|
}
|
|
|
|
generatorId = generator.replace(/[ .\-]/g, "_");
|
|
return true;
|
|
});
|
|
}
|
|
|
|
let formType = null;
|
|
|
|
if (info.IsXFAPresent) {
|
|
formType = "xfa";
|
|
} else if (info.IsAcroFormPresent) {
|
|
formType = "acroform";
|
|
}
|
|
|
|
this.externalServices.reportTelemetry({
|
|
type: "documentInfo",
|
|
version: versionId,
|
|
generator: generatorId,
|
|
formType
|
|
});
|
|
},
|
|
|
|
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;
|
|
|
|
if (numLabels !== this.pagesCount) {
|
|
console.error("The number of Page Labels does not match the number of pages in the document.");
|
|
return;
|
|
}
|
|
|
|
let i = 0;
|
|
|
|
while (i < numLabels && labels[i] === (i + 1).toString()) {
|
|
i++;
|
|
}
|
|
|
|
if (i === 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.isViewerEmbedded || _app_options.AppOptions.get("disableHistory")) {
|
|
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
|
|
});
|
|
}
|
|
},
|
|
|
|
async _initializePermissions(pdfDocument) {
|
|
const permissions = await pdfDocument.getPermissions();
|
|
|
|
if (pdfDocument !== this.pdfDocument) {
|
|
return;
|
|
}
|
|
|
|
if (!permissions || !_app_options.AppOptions.get("enablePermissions")) {
|
|
return;
|
|
}
|
|
|
|
if (!permissions.includes(_pdf.PermissionFlag.COPY)) {
|
|
this.appConfig.viewerContainer.classList.add(ENABLE_PERMISSIONS_CLASS);
|
|
}
|
|
},
|
|
|
|
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();
|
|
|
|
if (this.pdfViewer.renderer !== _ui_utils.RendererType.SVG) {
|
|
this.pdfDocument.cleanup();
|
|
}
|
|
},
|
|
|
|
forceRendering() {
|
|
this.pdfRenderingQueue.printing = this.printing;
|
|
this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
|
|
this.pdfRenderingQueue.renderHighestPriority();
|
|
},
|
|
|
|
beforePrint() {
|
|
if (this.printService) {
|
|
return;
|
|
}
|
|
|
|
if (!this.supportsPrinting) {
|
|
this.l10n.get("printing_not_supported", null, "Warning: Printing is not fully supported by this browser.").then(printMessage => {
|
|
this.error(printMessage);
|
|
});
|
|
return;
|
|
}
|
|
|
|
if (!this.pdfViewer.pageViewsReady) {
|
|
this.l10n.get("printing_not_ready", null, "Warning: The PDF is not fully loaded for printing.").then(notReadyMessage => {
|
|
window.alert(notReadyMessage);
|
|
});
|
|
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.l10n);
|
|
this.printService = printService;
|
|
this.forceRendering();
|
|
printService.layout();
|
|
this.externalServices.reportTelemetry({
|
|
type: "print"
|
|
});
|
|
},
|
|
|
|
afterPrint() {
|
|
if (this.printService) {
|
|
this.printService.destroy();
|
|
this.printService = null;
|
|
|
|
if (this.pdfDocument) {
|
|
this.pdfDocument.annotationStorage.resetModified();
|
|
}
|
|
}
|
|
|
|
this.forceRendering();
|
|
},
|
|
|
|
rotatePages(delta) {
|
|
if (!this.pdfDocument) {
|
|
return;
|
|
}
|
|
|
|
const newRotation = (this.pdfViewer.pagesRotation + 360 + delta) % 360;
|
|
this.pdfViewer.pagesRotation = newRotation;
|
|
},
|
|
|
|
requestPresentationMode() {
|
|
if (!this.pdfPresentationMode) {
|
|
return;
|
|
}
|
|
|
|
this.pdfPresentationMode.request();
|
|
},
|
|
|
|
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("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("print", webViewerPrint);
|
|
|
|
eventBus._on("download", webViewerDownload);
|
|
|
|
eventBus._on("save", webViewerSave);
|
|
|
|
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("find", webViewerFind);
|
|
|
|
eventBus._on("findfromurlhash", webViewerFindFromUrlHash);
|
|
|
|
eventBus._on("updatefindmatchescount", webViewerUpdateFindMatchesCount);
|
|
|
|
eventBus._on("updatefindcontrolstate", webViewerUpdateFindControlState);
|
|
|
|
eventBus._on("fileinputchange", webViewerFileInputChange);
|
|
|
|
eventBus._on("openfile", webViewerOpenFile);
|
|
},
|
|
|
|
bindWindowEvents() {
|
|
const {
|
|
eventBus,
|
|
_boundEvents
|
|
} = this;
|
|
|
|
_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
|
|
});
|
|
};
|
|
|
|
window.addEventListener("visibilitychange", webViewerVisibilityChange);
|
|
window.addEventListener("wheel", webViewerWheel, {
|
|
passive: false
|
|
});
|
|
window.addEventListener("touchstart", webViewerTouchStart, {
|
|
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);
|
|
},
|
|
|
|
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("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("save", webViewerSave);
|
|
|
|
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("find", webViewerFind);
|
|
|
|
eventBus._off("findfromurlhash", webViewerFindFromUrlHash);
|
|
|
|
eventBus._off("updatefindmatchescount", webViewerUpdateFindMatchesCount);
|
|
|
|
eventBus._off("updatefindcontrolstate", webViewerUpdateFindControlState);
|
|
|
|
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("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);
|
|
_boundEvents.windowResize = null;
|
|
_boundEvents.windowHashChange = null;
|
|
_boundEvents.windowBeforePrint = null;
|
|
_boundEvents.windowAfterPrint = null;
|
|
},
|
|
|
|
accumulateWheelTicks(ticks) {
|
|
if (this._wheelUnusedTicks > 0 && ticks < 0 || this._wheelUnusedTicks < 0 && ticks > 0) {
|
|
this._wheelUnusedTicks = 0;
|
|
}
|
|
|
|
this._wheelUnusedTicks += ticks;
|
|
const wholeTicks = Math.sign(this._wheelUnusedTicks) * Math.floor(Math.abs(this._wheelUnusedTicks));
|
|
this._wheelUnusedTicks -= wholeTicks;
|
|
return wholeTicks;
|
|
}
|
|
|
|
};
|
|
exports.PDFViewerApplication = PDFViewerApplication;
|
|
let validateFileURL;
|
|
{
|
|
const HOSTED_VIEWER_ORIGINS = ["null", "http://mozilla.github.io", "https://mozilla.github.io"];
|
|
|
|
validateFileURL = function (file) {
|
|
if (file === undefined) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
const viewerOrigin = new URL(window.location.href).origin || "null";
|
|
|
|
if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) {
|
|
return;
|
|
}
|
|
|
|
const {
|
|
origin,
|
|
protocol
|
|
} = new URL(file, window.location.href);
|
|
|
|
if (origin !== viewerOrigin && protocol !== "blob:") {
|
|
throw new Error("file origin does not match viewer's");
|
|
}
|
|
} catch (ex) {
|
|
const message = ex && ex.message;
|
|
PDFViewerApplication.l10n.get("loading_error", null, "An error occurred while loading the PDF.").then(loadingErrorMessage => {
|
|
PDFViewerApplication.error(loadingErrorMessage, {
|
|
message
|
|
});
|
|
});
|
|
throw ex;
|
|
}
|
|
};
|
|
}
|
|
|
|
async function loadFakeWorker() {
|
|
if (!_pdf.GlobalWorkerOptions.workerSrc) {
|
|
_pdf.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get("workerSrc");
|
|
}
|
|
|
|
return (0, _pdf.loadScript)(_pdf.PDFWorker.getWorkerSrc());
|
|
}
|
|
|
|
function loadAndEnablePDFBug(enabledTabs) {
|
|
const appConfig = PDFViewerApplication.appConfig;
|
|
return (0, _pdf.loadScript)(appConfig.debuggerScriptPath).then(function () {
|
|
PDFBug.enable(enabledTabs);
|
|
PDFBug.init({
|
|
OPS: _pdf.OPS
|
|
}, appConfig.mainContainer);
|
|
});
|
|
}
|
|
|
|
function webViewerInitialized() {
|
|
const appConfig = PDFViewerApplication.appConfig;
|
|
let file;
|
|
const queryString = document.location.search.substring(1);
|
|
const params = (0, _ui_utils.parseQueryString)(queryString);
|
|
file = "file" in params ? params.file : _app_options.AppOptions.get("defaultUrl");
|
|
validateFileURL(file);
|
|
const fileInput = document.createElement("input");
|
|
fileInput.id = appConfig.openFileInputName;
|
|
fileInput.className = "fileInput";
|
|
fileInput.setAttribute("type", "file");
|
|
fileInput.oncontextmenu = _ui_utils.noContextMenuHandler;
|
|
document.body.appendChild(fileInput);
|
|
|
|
if (!window.File || !window.FileReader || !window.FileList || !window.Blob) {
|
|
appConfig.toolbar.openFile.setAttribute("hidden", "true");
|
|
appConfig.secondaryToolbar.openFileButton.setAttribute("hidden", "true");
|
|
} else {
|
|
fileInput.value = null;
|
|
}
|
|
|
|
fileInput.addEventListener("change", function (evt) {
|
|
const files = evt.target.files;
|
|
|
|
if (!files || files.length === 0) {
|
|
return;
|
|
}
|
|
|
|
PDFViewerApplication.eventBus.dispatch("fileinputchange", {
|
|
source: this,
|
|
fileInput: evt.target
|
|
});
|
|
});
|
|
appConfig.mainContainer.addEventListener("dragover", function (evt) {
|
|
evt.preventDefault();
|
|
evt.dataTransfer.dropEffect = "move";
|
|
});
|
|
appConfig.mainContainer.addEventListener("drop", function (evt) {
|
|
evt.preventDefault();
|
|
const files = evt.dataTransfer.files;
|
|
|
|
if (!files || files.length === 0) {
|
|
return;
|
|
}
|
|
|
|
PDFViewerApplication.eventBus.dispatch("fileinputchange", {
|
|
source: this,
|
|
fileInput: evt.dataTransfer
|
|
});
|
|
});
|
|
|
|
if (!PDFViewerApplication.supportsDocumentFonts) {
|
|
_app_options.AppOptions.set("disableFontFace", true);
|
|
|
|
PDFViewerApplication.l10n.get("web_fonts_disabled", null, "Web fonts are disabled: unable to use embedded PDF fonts.").then(msg => {
|
|
console.warn(msg);
|
|
});
|
|
}
|
|
|
|
if (!PDFViewerApplication.supportsPrinting) {
|
|
appConfig.toolbar.print.classList.add("hidden");
|
|
appConfig.secondaryToolbar.printButton.classList.add("hidden");
|
|
}
|
|
|
|
if (!PDFViewerApplication.supportsFullscreen) {
|
|
appConfig.toolbar.presentationModeButton.classList.add("hidden");
|
|
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) {
|
|
PDFViewerApplication.eventBus.dispatch("resize", {
|
|
source: this
|
|
});
|
|
}
|
|
}, true);
|
|
|
|
try {
|
|
webViewerOpenFileViaURL(file);
|
|
} catch (reason) {
|
|
PDFViewerApplication.l10n.get("loading_error", null, "An error occurred while loading the PDF.").then(msg => {
|
|
PDFViewerApplication.error(msg, reason);
|
|
});
|
|
}
|
|
}
|
|
|
|
let webViewerOpenFileViaURL;
|
|
{
|
|
webViewerOpenFileViaURL = function (file) {
|
|
if (file && file.lastIndexOf("file:", 0) === 0) {
|
|
PDFViewerApplication.setTitleUsingUrl(file);
|
|
const xhr = new XMLHttpRequest();
|
|
|
|
xhr.onload = function () {
|
|
PDFViewerApplication.open(new Uint8Array(xhr.response));
|
|
};
|
|
|
|
xhr.open("GET", file);
|
|
xhr.responseType = "arraybuffer";
|
|
xhr.send();
|
|
return;
|
|
}
|
|
|
|
if (file) {
|
|
PDFViewerApplication.open(file);
|
|
}
|
|
};
|
|
}
|
|
|
|
function webViewerResetPermissions() {
|
|
const {
|
|
appConfig
|
|
} = PDFViewerApplication;
|
|
|
|
if (!appConfig) {
|
|
return;
|
|
}
|
|
|
|
appConfig.viewerContainer.classList.remove(ENABLE_PERMISSIONS_CLASS);
|
|
}
|
|
|
|
function webViewerPageRendered(evt) {
|
|
const pageNumber = evt.pageNumber;
|
|
const pageIndex = pageNumber - 1;
|
|
const pageView = PDFViewerApplication.pdfViewer.getPageView(pageIndex);
|
|
|
|
if (pageNumber === PDFViewerApplication.page) {
|
|
PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
|
|
}
|
|
|
|
if (!pageView) {
|
|
return;
|
|
}
|
|
|
|
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
|
|
const thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageIndex);
|
|
thumbnailView.setImage(pageView);
|
|
}
|
|
|
|
if (typeof Stats !== "undefined" && Stats.enabled && pageView.stats) {
|
|
Stats.add(pageNumber, pageView.stats);
|
|
}
|
|
|
|
if (pageView.error) {
|
|
PDFViewerApplication.l10n.get("rendering_error", null, "An error occurred while rendering the page.").then(msg => {
|
|
PDFViewerApplication.error(msg, pageView.error);
|
|
});
|
|
}
|
|
|
|
PDFViewerApplication.externalServices.reportTelemetry({
|
|
type: "pageInfo",
|
|
timestamp: evt.timestamp
|
|
});
|
|
PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
|
|
PDFViewerApplication.externalServices.reportTelemetry({
|
|
type: "documentStats",
|
|
stats
|
|
});
|
|
});
|
|
}
|
|
|
|
function webViewerPageMode({
|
|
mode
|
|
}) {
|
|
let view;
|
|
|
|
switch (mode) {
|
|
case "thumbs":
|
|
view = _pdf_sidebar.SidebarView.THUMBS;
|
|
break;
|
|
|
|
case "bookmarks":
|
|
case "outline":
|
|
view = _pdf_sidebar.SidebarView.OUTLINE;
|
|
break;
|
|
|
|
case "attachments":
|
|
view = _pdf_sidebar.SidebarView.ATTACHMENTS;
|
|
break;
|
|
|
|
case "layers":
|
|
view = _pdf_sidebar.SidebarView.LAYERS;
|
|
break;
|
|
|
|
case "none":
|
|
view = _pdf_sidebar.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":
|
|
if (PDFViewerApplication.supportsPrinting) {
|
|
webViewerPrint();
|
|
}
|
|
|
|
break;
|
|
|
|
case "SaveAs":
|
|
webViewerSave();
|
|
break;
|
|
}
|
|
}
|
|
|
|
function webViewerPresentationModeChanged({
|
|
active,
|
|
switchInProgress
|
|
}) {
|
|
let state = _ui_utils.PresentationModeState.NORMAL;
|
|
|
|
if (switchInProgress) {
|
|
state = _ui_utils.PresentationModeState.CHANGING;
|
|
} else if (active) {
|
|
state = _ui_utils.PresentationModeState.FULLSCREEN;
|
|
}
|
|
|
|
PDFViewerApplication.pdfViewer.presentationModeState = state;
|
|
}
|
|
|
|
function webViewerSidebarViewChanged(evt) {
|
|
PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = PDFViewerApplication.pdfSidebar.isThumbnailViewVisible;
|
|
const store = PDFViewerApplication.store;
|
|
|
|
if (store && PDFViewerApplication.isInitialViewSet) {
|
|
store.set("sidebarView", evt.view).catch(function () {});
|
|
}
|
|
}
|
|
|
|
function webViewerUpdateViewarea(evt) {
|
|
const location = evt.location,
|
|
store = PDFViewerApplication.store;
|
|
|
|
if (store && PDFViewerApplication.isInitialViewSet) {
|
|
store.setMultiple({
|
|
page: location.pageNumber,
|
|
zoom: location.scale,
|
|
scrollLeft: location.left,
|
|
scrollTop: location.top,
|
|
rotation: location.rotation
|
|
}).catch(function () {});
|
|
}
|
|
|
|
const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams);
|
|
PDFViewerApplication.appConfig.toolbar.viewBookmark.href = href;
|
|
PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href;
|
|
const currentPage = PDFViewerApplication.pdfViewer.getPageView(PDFViewerApplication.page - 1);
|
|
const loading = currentPage.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED;
|
|
PDFViewerApplication.toolbar.updateLoadingIndicatorState(loading);
|
|
}
|
|
|
|
function webViewerScrollModeChanged(evt) {
|
|
const store = PDFViewerApplication.store;
|
|
|
|
if (store && PDFViewerApplication.isInitialViewSet) {
|
|
store.set("scrollMode", evt.mode).catch(function () {});
|
|
}
|
|
}
|
|
|
|
function webViewerSpreadModeChanged(evt) {
|
|
const store = PDFViewerApplication.store;
|
|
|
|
if (store && PDFViewerApplication.isInitialViewSet) {
|
|
store.set("spreadMode", evt.mode).catch(function () {});
|
|
}
|
|
}
|
|
|
|
function webViewerResize() {
|
|
const {
|
|
pdfDocument,
|
|
pdfViewer
|
|
} = PDFViewerApplication;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
let webViewerFileInputChange, webViewerOpenFile;
|
|
{
|
|
webViewerFileInputChange = function (evt) {
|
|
if (PDFViewerApplication.pdfViewer && PDFViewerApplication.pdfViewer.isInPresentationMode) {
|
|
return;
|
|
}
|
|
|
|
const file = evt.fileInput.files[0];
|
|
|
|
if (!_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
|
|
let url = URL.createObjectURL(file);
|
|
|
|
if (file.name) {
|
|
url = {
|
|
url,
|
|
originalUrl: file.name
|
|
};
|
|
}
|
|
|
|
PDFViewerApplication.open(url);
|
|
} else {
|
|
PDFViewerApplication.setTitleUsingUrl(file.name);
|
|
const fileReader = new FileReader();
|
|
|
|
fileReader.onload = function webViewerChangeFileReaderOnload(event) {
|
|
const buffer = event.target.result;
|
|
PDFViewerApplication.open(new Uint8Array(buffer));
|
|
};
|
|
|
|
fileReader.readAsArrayBuffer(file);
|
|
}
|
|
|
|
const appConfig = PDFViewerApplication.appConfig;
|
|
appConfig.toolbar.viewBookmark.setAttribute("hidden", "true");
|
|
appConfig.secondaryToolbar.viewBookmarkButton.setAttribute("hidden", "true");
|
|
appConfig.toolbar.download.setAttribute("hidden", "true");
|
|
appConfig.secondaryToolbar.downloadButton.setAttribute("hidden", "true");
|
|
};
|
|
|
|
webViewerOpenFile = function (evt) {
|
|
const openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
|
|
document.getElementById(openFileInputName).click();
|
|
};
|
|
}
|
|
|
|
function webViewerPresentationMode() {
|
|
PDFViewerApplication.requestPresentationMode();
|
|
}
|
|
|
|
function webViewerPrint() {
|
|
window.print();
|
|
}
|
|
|
|
function webViewerDownloadOrSave(sourceEventType) {
|
|
if (PDFViewerApplication.pdfDocument && PDFViewerApplication.pdfDocument.annotationStorage.size > 0) {
|
|
PDFViewerApplication.save({
|
|
sourceEventType
|
|
});
|
|
} else {
|
|
PDFViewerApplication.download({
|
|
sourceEventType
|
|
});
|
|
}
|
|
}
|
|
|
|
function webViewerDownload() {
|
|
webViewerDownloadOrSave("download");
|
|
}
|
|
|
|
function webViewerSave() {
|
|
webViewerDownloadOrSave("save");
|
|
}
|
|
|
|
function webViewerFirstPage() {
|
|
if (PDFViewerApplication.pdfDocument) {
|
|
PDFViewerApplication.page = 1;
|
|
}
|
|
}
|
|
|
|
function webViewerLastPage() {
|
|
if (PDFViewerApplication.pdfDocument) {
|
|
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
|
|
}
|
|
}
|
|
|
|
function webViewerNextPage() {
|
|
PDFViewerApplication.page++;
|
|
}
|
|
|
|
function webViewerPreviousPage() {
|
|
PDFViewerApplication.page--;
|
|
}
|
|
|
|
function webViewerZoomIn() {
|
|
PDFViewerApplication.zoomIn();
|
|
}
|
|
|
|
function webViewerZoomOut() {
|
|
PDFViewerApplication.zoomOut();
|
|
}
|
|
|
|
function webViewerZoomReset() {
|
|
PDFViewerApplication.zoomReset();
|
|
}
|
|
|
|
function webViewerPageNumberChanged(evt) {
|
|
const pdfViewer = PDFViewerApplication.pdfViewer;
|
|
|
|
if (evt.value !== "") {
|
|
pdfViewer.currentPageLabel = 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 webViewerFind(evt) {
|
|
PDFViewerApplication.findController.executeCommand("find" + evt.type, {
|
|
query: evt.query,
|
|
phraseSearch: evt.phraseSearch,
|
|
caseSensitive: evt.caseSensitive,
|
|
entireWord: evt.entireWord,
|
|
highlightAll: evt.highlightAll,
|
|
findPrevious: evt.findPrevious
|
|
});
|
|
}
|
|
|
|
function webViewerFindFromUrlHash(evt) {
|
|
PDFViewerApplication.findController.executeCommand("find", {
|
|
query: evt.query,
|
|
phraseSearch: evt.phraseSearch,
|
|
caseSensitive: false,
|
|
entireWord: false,
|
|
highlightAll: true,
|
|
findPrevious: false
|
|
});
|
|
}
|
|
|
|
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) {
|
|
PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation;
|
|
PDFViewerApplication.forceRendering();
|
|
PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber;
|
|
}
|
|
|
|
function webViewerPageChanging(evt) {
|
|
const page = evt.pageNumber;
|
|
PDFViewerApplication.toolbar.setPageNumber(page, evt.pageLabel || null);
|
|
PDFViewerApplication.secondaryToolbar.setPageNumber(page);
|
|
|
|
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
|
|
PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(page);
|
|
}
|
|
|
|
if (typeof Stats !== "undefined" && Stats.enabled) {
|
|
const pageView = PDFViewerApplication.pdfViewer.getPageView(page - 1);
|
|
|
|
if (pageView && pageView.stats) {
|
|
Stats.add(page, pageView.stats);
|
|
}
|
|
}
|
|
}
|
|
|
|
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
|
|
} = PDFViewerApplication;
|
|
|
|
if (pdfViewer.isInPresentationMode) {
|
|
return;
|
|
}
|
|
|
|
if (evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey || evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) {
|
|
evt.preventDefault();
|
|
|
|
if (zoomDisabledTimeout || document.visibilityState === "hidden") {
|
|
return;
|
|
}
|
|
|
|
const previousScale = pdfViewer.currentScale;
|
|
const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt);
|
|
let ticks = 0;
|
|
|
|
if (evt.deltaMode === WheelEvent.DOM_DELTA_LINE || evt.deltaMode === WheelEvent.DOM_DELTA_PAGE) {
|
|
if (Math.abs(delta) >= 1) {
|
|
ticks = Math.sign(delta);
|
|
} else {
|
|
ticks = PDFViewerApplication.accumulateWheelTicks(delta);
|
|
}
|
|
} else {
|
|
const PIXELS_PER_LINE_SCALE = 30;
|
|
ticks = PDFViewerApplication.accumulateWheelTicks(delta / PIXELS_PER_LINE_SCALE);
|
|
}
|
|
|
|
if (ticks < 0) {
|
|
PDFViewerApplication.zoomOut(-ticks);
|
|
} else if (ticks > 0) {
|
|
PDFViewerApplication.zoomIn(ticks);
|
|
}
|
|
|
|
const currentScale = pdfViewer.currentScale;
|
|
|
|
if (previousScale !== currentScale) {
|
|
const scaleCorrectionFactor = currentScale / previousScale - 1;
|
|
const rect = pdfViewer.container.getBoundingClientRect();
|
|
const dx = evt.clientX - rect.left;
|
|
const dy = evt.clientY - rect.top;
|
|
pdfViewer.container.scrollLeft += dx * scaleCorrectionFactor;
|
|
pdfViewer.container.scrollTop += dy * scaleCorrectionFactor;
|
|
}
|
|
} else {
|
|
setZoomDisabledTimeout();
|
|
}
|
|
}
|
|
|
|
function webViewerTouchStart(evt) {
|
|
if (evt.touches.length > 1) {
|
|
evt.preventDefault();
|
|
}
|
|
}
|
|
|
|
function webViewerClick(evt) {
|
|
if (PDFViewerApplication.triggerDelayedFallback && PDFViewerApplication.pdfViewer.containsElement(evt.target)) {
|
|
PDFViewerApplication.triggerDelayedFallback();
|
|
}
|
|
|
|
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.keyCode === 9) {
|
|
if (PDFViewerApplication.triggerDelayedFallback) {
|
|
PDFViewerApplication.triggerDelayedFallback();
|
|
}
|
|
}
|
|
}
|
|
|
|
function webViewerKeyDown(evt) {
|
|
if (PDFViewerApplication.overlayManager.active) {
|
|
return;
|
|
}
|
|
|
|
let handled = false,
|
|
ensureViewerFocused = false;
|
|
const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0);
|
|
const pdfViewer = PDFViewerApplication.pdfViewer;
|
|
const isViewerInPresentationMode = pdfViewer && pdfViewer.isInPresentationMode;
|
|
|
|
if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
|
|
switch (evt.keyCode) {
|
|
case 70:
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
|
PDFViewerApplication.findBar.open();
|
|
handled = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 71:
|
|
if (!PDFViewerApplication.supportsIntegratedFind) {
|
|
const findState = PDFViewerApplication.findController.state;
|
|
|
|
if (findState) {
|
|
PDFViewerApplication.findController.executeCommand("findagain", {
|
|
query: findState.query,
|
|
phraseSearch: findState.phraseSearch,
|
|
caseSensitive: findState.caseSensitive,
|
|
entireWord: findState.entireWord,
|
|
highlightAll: findState.highlightAll,
|
|
findPrevious: cmd === 5 || cmd === 12
|
|
});
|
|
}
|
|
|
|
handled = true;
|
|
}
|
|
|
|
break;
|
|
|
|
case 61:
|
|
case 107:
|
|
case 187:
|
|
case 171:
|
|
if (!isViewerInPresentationMode) {
|
|
PDFViewerApplication.zoomIn();
|
|
}
|
|
|
|
handled = true;
|
|
break;
|
|
|
|
case 173:
|
|
case 109:
|
|
case 189:
|
|
if (!isViewerInPresentationMode) {
|
|
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;
|
|
}
|
|
}
|
|
|
|
const {
|
|
eventBus
|
|
} = PDFViewerApplication;
|
|
|
|
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;
|
|
break;
|
|
|
|
case 71:
|
|
PDFViewerApplication.appConfig.toolbar.pageNumber.select();
|
|
handled = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (handled) {
|
|
if (ensureViewerFocused && !isViewerInPresentationMode) {
|
|
pdfViewer.focus();
|
|
}
|
|
|
|
evt.preventDefault();
|
|
return;
|
|
}
|
|
|
|
const curElement = document.activeElement || document.querySelector(":focus");
|
|
const curElementTagName = curElement && curElement.tagName.toUpperCase();
|
|
|
|
if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElement && 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(_pdf_cursor_tools.CursorTool.SELECT);
|
|
break;
|
|
|
|
case 72:
|
|
PDFViewerApplication.pdfCursorTools.switchTool(_pdf_cursor_tools.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) {
|
|
if (PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
|
|
PDFViewerApplication.page++;
|
|
}
|
|
} else {
|
|
if (PDFViewerApplication.page > 1) {
|
|
PDFViewerApplication.page--;
|
|
}
|
|
}
|
|
|
|
handled = true;
|
|
}
|
|
}
|
|
|
|
if (cmd === 4) {
|
|
switch (evt.keyCode) {
|
|
case 13:
|
|
case 32:
|
|
if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") {
|
|
break;
|
|
}
|
|
|
|
if (PDFViewerApplication.page > 1) {
|
|
PDFViewerApplication.page--;
|
|
}
|
|
|
|
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 apiPageLayoutToSpreadMode(layout) {
|
|
switch (layout) {
|
|
case "SinglePage":
|
|
case "OneColumn":
|
|
return _ui_utils.SpreadMode.NONE;
|
|
|
|
case "TwoColumnLeft":
|
|
case "TwoPageLeft":
|
|
return _ui_utils.SpreadMode.ODD;
|
|
|
|
case "TwoColumnRight":
|
|
case "TwoPageRight":
|
|
return _ui_utils.SpreadMode.EVEN;
|
|
}
|
|
|
|
return _ui_utils.SpreadMode.NONE;
|
|
}
|
|
|
|
function apiPageModeToSidebarView(mode) {
|
|
switch (mode) {
|
|
case "UseNone":
|
|
return _pdf_sidebar.SidebarView.NONE;
|
|
|
|
case "UseThumbs":
|
|
return _pdf_sidebar.SidebarView.THUMBS;
|
|
|
|
case "UseOutlines":
|
|
return _pdf_sidebar.SidebarView.OUTLINE;
|
|
|
|
case "UseAttachments":
|
|
return _pdf_sidebar.SidebarView.ATTACHMENTS;
|
|
|
|
case "UseOC":
|
|
return _pdf_sidebar.SidebarView.LAYERS;
|
|
}
|
|
|
|
return _pdf_sidebar.SidebarView.NONE;
|
|
}
|
|
|
|
const PDFPrintServiceFactory = {
|
|
instance: {
|
|
supportsPrinting: false,
|
|
|
|
createPrintService() {
|
|
throw new Error("Not implemented: createPrintService");
|
|
}
|
|
|
|
}
|
|
};
|
|
exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
|