| 56
| <![CDATA[<script>
/**
* @licstart The following is the entire license notice for the
* Javascript code in this page
*
* Copyright 2021 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* @licend The above is the entire license notice for the
* Javascript code in this page
*/
/******/ (() => { // webpackBootstrap
/******/ "use strict";
/******/ var __webpack_modules__ = ([
/* 0 */,
/* 1 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.OptionKind = exports.AppOptions = void 0;
var _viewer_compatibility = __webpack_require__(2);
const OptionKind = {
VIEWER: 0x02,
API: 0x04,
WORKER: 0x08,
PREFERENCE: 0x80
};
exports.OptionKind = OptionKind;
const defaultOptions = {
cursorToolOnLoad: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
defaultUrl: {
value: '/uploads/0850_15022509.pdf',
kind: OptionKind.VIEWER
},
defaultZoomValue: {
value: "",
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
disableHistory: {
value: false,
kind: OptionKind.VIEWER
},
disablePageLabels: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enablePermissions: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enablePrintAutoRotate: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
enableScripting: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
externalLinkRel: {
value: "noopener noreferrer nofollow",
kind: OptionKind.VIEWER
},
externalLinkTarget: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
historyUpdateUrl: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
ignoreDestinationZoom: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
imageResourcesPath: {
value: "./images/",
kind: OptionKind.VIEWER
},
maxCanvasPixels: {
value: 16777216,
compatibility: _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels,
kind: OptionKind.VIEWER
},
pdfBugEnabled: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
printResolution: {
value: 150,
kind: OptionKind.VIEWER
},
renderer: {
value: "canvas",
kind: OptionKind.VIEWER
},
renderInteractiveForms: {
value: true,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
sidebarViewOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
scrollModeOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
spreadModeOnLoad: {
value: -1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
textLayerMode: {
value: 1,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
useOnlyCssZoom: {
value: false,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
viewerCssTheme: {
value: 2,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
viewOnLoad: {
value: 0,
kind: OptionKind.VIEWER + OptionKind.PREFERENCE
},
cMapPacked: {
value: true,
kind: OptionKind.API
},
cMapUrl: {
value: "/pdfjs/web/cmaps/",
kind: OptionKind.API
},
disableAutoFetch: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
disableFontFace: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
disableRange: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
disableStream: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
docBaseUrl: {
value: "",
kind: OptionKind.API
},
enableXfa: {
value: false,
kind: OptionKind.API + OptionKind.PREFERENCE
},
fontExtraProperties: {
value: false,
kind: OptionKind.API
},
isEvalSupported: {
value: true,
kind: OptionKind.API
},
maxImageSize: {
value: -1,
kind: OptionKind.API
},
pdfBug: {
value: false,
kind: OptionKind.API
},
verbosity: {
value: 1,
kind: OptionKind.API
},
workerPort: {
value: null,
kind: OptionKind.WORKER
},
workerSrc: {
value: "/pdfjs/build/pdf.worker.js",
kind: OptionKind.WORKER
}
};
{
defaultOptions.disablePreferences = {
value: false,
kind: OptionKind.VIEWER
};
defaultOptions.locale = {
value: typeof navigator !== "undefined" ? navigator.language : "en-US",
kind: OptionKind.VIEWER
};
defaultOptions.sandboxBundleSrc = {
value: "/pdfjs/build/pdf.sandbox.js",
kind: OptionKind.VIEWER
};
defaultOptions.renderer.kind += OptionKind.PREFERENCE;
}
const userOptions = Object.create(null);
class AppOptions {
constructor() {
throw new Error("Cannot initialize AppOptions.");
}
static get(name) {
const userOption = userOptions[name];
if (userOption !== undefined) {
return userOption;
}
const defaultOption = defaultOptions[name];
if (defaultOption !== undefined) {
return defaultOption.compatibility ?? defaultOption.value;
}
return undefined;
}
static getAll(kind = null) {
const options = Object.create(null);
for (const name in defaultOptions) {
const defaultOption = defaultOptions[name];
if (kind) {
if ((kind & defaultOption.kind) === 0) {
continue;
}
if (kind === OptionKind.PREFERENCE) {
const value = defaultOption.value,
valueType = typeof value;
if (valueType === "boolean" || valueType === "string" || valueType === "number" && Number.isInteger(value)) {
options[name] = value;
continue;
}
throw new Error(`Invalid type for preference: ${name}`);
}
}
const userOption = userOptions[name];
options[name] = userOption !== undefined ? userOption : defaultOption.compatibility ?? defaultOption.value;
}
return options;
}
static set(name, value) {
userOptions[name] = value;
}
static setAll(options) {
for (const name in options) {
userOptions[name] = options[name];
}
}
static remove(name) {
delete userOptions[name];
}
}
exports.AppOptions = AppOptions;
/***/ }),
/* 2 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.viewerCompatibilityParams = void 0;
const compatibilityParams = Object.create(null);
{
const userAgent = typeof navigator !== "undefined" && navigator.userAgent || "";
const platform = typeof navigator !== "undefined" && navigator.platform || "";
const maxTouchPoints = typeof navigator !== "undefined" && navigator.maxTouchPoints || 1;
const isAndroid = /Android/.test(userAgent);
const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || platform === "MacIntel" && maxTouchPoints > 1;
const isIOSChrome = /CriOS/.test(userAgent);
(function checkOnBlobSupport() {
if (isIOSChrome) {
compatibilityParams.disableCreateObjectURL = true;
}
})();
(function checkCanvasSizeLimitation() {
if (isIOS || isAndroid) {
compatibilityParams.maxCanvasPixels = 5242880;
}
})();
}
const viewerCompatibilityParams = Object.freeze(compatibilityParams);
exports.viewerCompatibilityParams = viewerCompatibilityParams;
/***/ }),
/* 3 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFViewerApplication = exports.PDFPrintServiceFactory = exports.DefaultExternalServices = void 0;
var _ui_utils = __webpack_require__(4);
var _app_options = __webpack_require__(1);
var _pdfjsLib = __webpack_require__(5);
var _pdf_cursor_tools = __webpack_require__(6);
var _pdf_rendering_queue = __webpack_require__(8);
var _overlay_manager = __webpack_require__(9);
var _password_prompt = __webpack_require__(10);
var _pdf_attachment_viewer = __webpack_require__(11);
var _pdf_document_properties = __webpack_require__(13);
var _pdf_find_bar = __webpack_require__(14);
var _pdf_find_controller = __webpack_require__(15);
var _pdf_history = __webpack_require__(17);
var _pdf_layer_viewer = __webpack_require__(18);
var _pdf_link_service = __webpack_require__(19);
var _pdf_outline_viewer = __webpack_require__(20);
var _pdf_presentation_mode = __webpack_require__(21);
var _pdf_scripting_manager = __webpack_require__(22);
var _pdf_sidebar = __webpack_require__(23);
var _pdf_sidebar_resizer = __webpack_require__(24);
var _pdf_thumbnail_viewer = __webpack_require__(25);
var _pdf_viewer = __webpack_require__(27);
var _secondary_toolbar = __webpack_require__(35);
var _toolbar = __webpack_require__(37);
var _viewer_compatibility = __webpack_require__(2);
var _view_history = __webpack_require__(38);
const DEFAULT_SCALE_DELTA = 1.1;
const DISABLE_AUTO_FETCH_LOADING_BAR_TIMEOUT = 5000;
const FORCE_PAGES_LOADED_TIMEOUT = 10000;
const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000;
const ENABLE_PERMISSIONS_CLASS = "enablePermissions";
const ViewOnLoad = {
UNKNOWN: -1,
PREVIOUS: 0,
INITIAL: 1
};
const ViewerCssTheme = {
AUTOMATIC: 0,
LIGHT: 1,
DARK: 2
};
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"];
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"];
class DefaultExternalServices {
constructor() {
throw new Error("Cannot initialize DefaultExternalServices.");
}
static updateFindControlState(data) {}
static updateFindMatchesCount(data) {}
static initPassiveLoading(callbacks) {}
static async fallback(data) {}
static reportTelemetry(data) {}
static createDownloadManager(options) {
throw new Error("Not implemented: createDownloadManager");
}
static createPreferences() {
throw new Error("Not implemented: createPreferences");
}
static createL10n(options) {
throw new Error("Not implemented: createL10n");
}
static createScripting(options) {
throw new Error("Not implemented: createScripting");
}
static get supportsIntegratedFind() {
return (0, _pdfjsLib.shadow)(this, "supportsIntegratedFind", false);
}
static get supportsDocumentFonts() {
return (0, _pdfjsLib.shadow)(this, "supportsDocumentFonts", true);
}
static get supportedMouseWheelZoomModifierKeys() {
return (0, _pdfjsLib.shadow)(this, "supportedMouseWheelZoomModifierKeys", {
ctrlKey: true,
metaKey: true
});
}
static get isInAutomation() {
return (0, _pdfjsLib.shadow)(this, "isInAutomation", false);
}
}
exports.DefaultExternalServices = DefaultExternalServices;
const PDFViewerApplication = {
initialBookmark: document.location.hash.substring(1),
_initializedCapability: (0, _pdfjsLib.createPromiseCapability)(),
_fellback: false,
appConfig: null,
pdfDocument: null,
pdfLoadingTask: null,
printService: null,
pdfViewer: null,
pdfThumbnailViewer: null,
pdfRenderingQueue: null,
pdfPresentationMode: null,
pdfDocumentProperties: null,
pdfLinkService: null,
pdfHistory: null,
pdfSidebar: null,
pdfSidebarResizer: null,
pdfOutlineViewer: null,
pdfAttachmentViewer: null,
pdfLayerViewer: null,
pdfCursorTools: null,
pdfScriptingManager: null,
store: null,
downloadManager: null,
overlayManager: null,
preferences: null,
toolbar: null,
secondaryToolbar: null,
eventBus: null,
l10n: null,
isInitialViewSet: false,
downloadComplete: false,
isViewerEmbedded: window.parent !== window,
url: "",
baseUrl: "",
externalServices: DefaultExternalServices,
_boundEvents: Object.create(null),
documentInfo: null,
metadata: null,
_contentDispositionFilename: null,
_contentLength: null,
_saveInProgress: false,
_wheelUnusedTicks: 0,
_idleCallbacks: new Set(),
async initialize(appConfig) {
this.preferences = this.externalServices.createPreferences();
this.appConfig = appConfig;
await this._readPreferences();
await this._parseHashParameters();
this._forceCssTheme();
await this._initializeL10n();
if (this.isViewerEmbedded && _app_options.AppOptions.get("externalLinkTarget") === _pdfjsLib.LinkTarget.NONE) {
_app_options.AppOptions.set("externalLinkTarget", _pdfjsLib.LinkTarget.TOP);
}
await this._initializeViewerComponents();
this.bindEvents();
this.bindWindowEvents();
const appContainer = appConfig.appContainer || document.documentElement;
this.l10n.translate(appContainer).then(() => {
this.eventBus.dispatch("localized", {
source: this
});
});
this._initializedCapability.resolve();
},
async _readPreferences() {
if (_app_options.AppOptions.get("disablePreferences")) {
return;
}
try {
_app_options.AppOptions.setAll(await this.preferences.getAll());
} catch (reason) {
console.error(`_readPreferences: "${reason?.message}".`);
}
},
async _parseHashParameters() {
if (!_app_options.AppOptions.get("pdfBugEnabled")) {
return undefined;
}
const hash = document.location.hash.substring(1);
if (!hash) {
return undefined;
}
const hashParams = (0, _ui_utils.parseQueryString)(hash),
waitOn = [];
if ("disableworker" in hashParams && hashParams.disableworker === "true") {
waitOn.push(loadFakeWorker());
}
if ("disablerange" in hashParams) {
_app_options.AppOptions.set("disableRange", hashParams.disablerange === "true");
}
if ("disablestream" in hashParams) {
_app_options.AppOptions.set("disableStream", hashParams.disablestream === "true");
}
if ("disableautofetch" in hashParams) {
_app_options.AppOptions.set("disableAutoFetch", hashParams.disableautofetch === "true");
}
if ("disablefontface" in hashParams) {
_app_options.AppOptions.set("disableFontFace", hashParams.disablefontface === "true");
}
if ("disablehistory" in hashParams) {
_app_options.AppOptions.set("disableHistory", hashParams.disablehistory === "true");
}
if ("verbosity" in hashParams) {
_app_options.AppOptions.set("verbosity", hashParams.verbosity | 0);
}
if ("textlayer" in hashParams) {
switch (hashParams.textlayer) {
case "off":
_app_options.AppOptions.set("textLayerMode", _ui_utils.TextLayerMode.DISABLE);
break;
case "visible":
case "shadow":
case "hover":
const viewer = this.appConfig.viewerContainer;
viewer.classList.add("textLayer-" + hashParams.textlayer);
break;
}
}
if ("pdfbug" in hashParams) {
_app_options.AppOptions.set("pdfBug", true);
_app_options.AppOptions.set("fontExtraProperties", true);
const enabled = hashParams.pdfbug.split(",");
waitOn.push(loadAndEnablePDFBug(enabled));
}
if ("locale" in hashParams) {
_app_options.AppOptions.set("locale", hashParams.locale);
}
if (waitOn.length === 0) {
return undefined;
}
return Promise.all(waitOn).catch(reason => {
console.error(`_parseHashParameters: "${reason.message}".`);
});
},
async _initializeL10n() {
this.l10n = this.externalServices.createL10n({
locale: _app_options.AppOptions.get("locale")
});
const dir = await this.l10n.getDirection();
document.getElementsByTagName("html")[0].dir = dir;
},
_forceCssTheme() {
const cssTheme = _app_options.AppOptions.get("viewerCssTheme");
if (cssTheme === ViewerCssTheme.AUTOMATIC || !Object.values(ViewerCssTheme).includes(cssTheme)) {
return;
}
try {
const styleSheet = document.styleSheets[0];
const cssRules = styleSheet?.cssRules || [];
const mediaMatcher = "prefers-color-scheme";
const mediaRule = `(${mediaMatcher}: dark)`;
const mediaRegex = new RegExp(`^@media \\(${mediaMatcher}: dark\\) {\\n\\s*([\\w\\s-.,:;/\\\\{}()]+)\\n}$`);
for (let i = 0, ii = cssRules.length; i < ii; i++) {
const rule = cssRules[i];
if (rule instanceof CSSMediaRule && rule.media?.[0] === mediaRule) {
if (cssTheme === ViewerCssTheme.LIGHT) {
styleSheet.deleteRule(i);
return;
}
const darkRules = mediaRegex.exec(rule.cssText);
if (darkRules?.[1]) {
styleSheet.deleteRule(i);
styleSheet.insertRule(darkRules[1], i);
}
return;
}
}
} catch (reason) {
console.error(`_forceCssTheme: "${reason?.message}".`);
}
},
async _initializeViewerComponents() {
const appConfig = this.appConfig;
const eventBus = appConfig.eventBus || new _ui_utils.EventBus({
isInAutomation: this.externalServices.isInAutomation
});
this.eventBus = eventBus;
this.overlayManager = new _overlay_manager.OverlayManager();
const pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
pdfRenderingQueue.onIdle = this._cleanup.bind(this);
this.pdfRenderingQueue = pdfRenderingQueue;
const pdfLinkService = new _pdf_link_service.PDFLinkService({
eventBus,
externalLinkTarget: _app_options.AppOptions.get("externalLinkTarget"),
externalLinkRel: _app_options.AppOptions.get("externalLinkRel"),
ignoreDestinationZoom: _app_options.AppOptions.get("ignoreDestinationZoom")
});
this.pdfLinkService = pdfLinkService;
const downloadManager = this.externalServices.createDownloadManager();
this.downloadManager = downloadManager;
const findController = new _pdf_find_controller.PDFFindController({
linkService: pdfLinkService,
eventBus
});
this.findController = findController;
const pdfScriptingManager = new _pdf_scripting_manager.PDFScriptingManager({
eventBus,
sandboxBundleSrc: _app_options.AppOptions.get("sandboxBundleSrc"),
scriptingFactory: this.externalServices,
docPropertiesLookup: this._scriptingDocProperties.bind(this)
});
this.pdfScriptingManager = pdfScriptingManager;
const container = appConfig.mainContainer;
const viewer = appConfig.viewerContainer;
this.pdfViewer = new _pdf_viewer.PDFViewer({
container,
viewer,
eventBus,
renderingQueue: pdfRenderingQueue,
linkService: pdfLinkService,
downloadManager,
findController,
scriptingManager: pdfScriptingManager,
renderer: _app_options.AppOptions.get("renderer"),
l10n: this.l10n,
textLayerMode: _app_options.AppOptions.get("textLayerMode"),
imageResourcesPath: _app_options.AppOptions.get("imageResourcesPath"),
renderInteractiveForms: _app_options.AppOptions.get("renderInteractiveForms"),
enablePrintAutoRotate: _app_options.AppOptions.get("enablePrintAutoRotate"),
useOnlyCssZoom: _app_options.AppOptions.get("useOnlyCssZoom"),
maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels"),
enableScripting: _app_options.AppOptions.get("enableScripting")
});
pdfRenderingQueue.setViewer(this.pdfViewer);
pdfLinkService.setViewer(this.pdfViewer);
pdfScriptingManager.setViewer(this.pdfViewer);
this.pdfThumbnailViewer = new _pdf_thumbnail_viewer.PDFThumbnailViewer({
container: appConfig.sidebar.thumbnailView,
eventBus,
renderingQueue: pdfRenderingQueue,
linkService: pdfLinkService,
l10n: this.l10n
});
pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer);
this.pdfHistory = new _pdf_history.PDFHistory({
linkService: pdfLinkService,
eventBus
});
pdfLinkService.setHistory(this.pdfHistory);
if (!this.supportsIntegratedFind) {
this.findBar = new _pdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n);
}
this.pdfDocumentProperties = new _pdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n);
this.pdfCursorTools = new _pdf_cursor_tools.PDFCursorTools({
container,
eventBus,
cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad")
});
this.toolbar = new _toolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n);
this.secondaryToolbar = new _secondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, container, eventBus);
if (this.supportsFullscreen) {
this.pdfPresentationMode = new _pdf_presentation_mode.PDFPresentationMode({
container,
pdfViewer: this.pdfViewer,
eventBus
});
}
this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n, this.isViewerEmbedded);
this.pdfOutlineViewer = new _pdf_outline_viewer.PDFOutlineViewer({
container: appConfig.sidebar.outlineView,
eventBus,
linkService: pdfLinkService
});
this.pdfAttachmentViewer = new _pdf_attachment_viewer.PDFAttachmentViewer({
container: appConfig.sidebar.attachmentsView,
eventBus,
downloadManager
});
this.pdfLayerViewer = new _pdf_layer_viewer.PDFLayerViewer({
container: appConfig.sidebar.layersView,
eventBus,
l10n: this.l10n
});
this.pdfSidebar = new _pdf_sidebar.PDFSidebar({
elements: appConfig.sidebar,
pdfViewer: this.pdfViewer,
pdfThumbnailViewer: this.pdfThumbnailViewer,
eventBus,
l10n: this.l10n
});
this.pdfSidebar.onToggled = this.forceRendering.bind(this);
this.pdfSidebarResizer = new _pdf_sidebar_resizer.PDFSidebarResizer(appConfig.sidebarResizer, eventBus, this.l10n);
},
run(config) {
this.initialize(config).then(webViewerInitialized);
},
get initialized() {
return this._initializedCapability.settled;
},
get initializedPromise() {
return this._initializedCapability.promise;
},
zoomIn(ticks) {
if (this.pdfViewer.isInPresentationMode) {
return;
}
let newScale = this.pdfViewer.currentScale;
do {
newScale = (newScale * DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.ceil(newScale * 10) / 10;
newScale = Math.min(_ui_utils.MAX_SCALE, newScale);
} while (--ticks > 0 && newScale < _ui_utils.MAX_SCALE);
this.pdfViewer.currentScaleValue = newScale;
},
zoomOut(ticks) {
if (this.pdfViewer.isInPresentationMode) {
return;
}
let newScale = this.pdfViewer.currentScale;
do {
newScale = (newScale / DEFAULT_SCALE_DELTA).toFixed(2);
newScale = Math.floor(newScale * 10) / 10;
newScale = Math.max(_ui_utils.MIN_SCALE, newScale);
} while (--ticks > 0 && newScale > _ui_utils.MIN_SCALE);
this.pdfViewer.currentScaleValue = newScale;
},
zoomReset() {
if (this.pdfViewer.isInPresentationMode) {
return;
}
this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
},
get pagesCount() {
return this.pdfDocument ? this.pdfDocument.numPages : 0;
},
get page() {
return this.pdfViewer.currentPageNumber;
},
set page(val) {
this.pdfViewer.currentPageNumber = val;
},
get supportsPrinting() {
return PDFPrintServiceFactory.instance.supportsPrinting;
},
get supportsFullscreen() {
const doc = document.documentElement;
let support = !!(doc.requestFullscreen || doc.mozRequestFullScreen || doc.webkitRequestFullScreen);
if (document.fullscreenEnabled === false || document.mozFullScreenEnabled === false || document.webkitFullscreenEnabled === false) {
support = false;
}
return (0, _pdfjsLib.shadow)(this, "supportsFullscreen", support);
},
get supportsIntegratedFind() {
return this.externalServices.supportsIntegratedFind;
},
get supportsDocumentFonts() {
return this.externalServices.supportsDocumentFonts;
},
get loadingBar() {
const bar = new _ui_utils.ProgressBar("#loadingBar");
return (0, _pdfjsLib.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, _pdfjsLib.getPdfFilenameFromUrl)(url, "");
if (!title) {
try {
title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url;
} catch (ex) {
title = url;
}
}
this.setTitle(title);
},
setTitle(title) {
if (this.isViewerEmbedded) {
return;
}
document.title = title;
},
get _docFilename() {
return this._contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(this.url);
},
_cancelIdleCallbacks() {
if (!this._idleCallbacks.size) {
return;
}
for (const callback of this._idleCallbacks) {
window.cancelIdleCallback(callback);
}
this._idleCallbacks.clear();
},
async close() {
this._unblockDocumentLoadEvent();
const {
container
} = this.appConfig.errorWrapper;
container.hidden = true;
if (!this.pdfLoadingTask) {
return;
}
if (this.pdfDocument?.annotationStorage.size > 0 && this._annotationStorageModified) {
try {
await this.save({
sourceEventType: "save"
});
} catch (reason) {}
}
const promises = [];
promises.push(this.pdfLoadingTask.destroy());
this.pdfLoadingTask = null;
if (this.pdfDocument) {
this.pdfDocument = null;
this.pdfThumbnailViewer.setDocument(null);
this.pdfViewer.setDocument(null);
this.pdfLinkService.setDocument(null);
this.pdfDocumentProperties.setDocument(null);
}
webViewerResetPermissions();
this._fellback = false;
this.store = null;
this.isInitialViewSet = false;
this.downloadComplete = false;
this.url = "";
this.baseUrl = "";
this.documentInfo = null;
this.metadata = null;
this._contentDispositionFilename = null;
this._contentLength = null;
this._saveInProgress = false;
this._cancelIdleCallbacks();
promises.push(this.pdfScriptingManager.destroyPromise);
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();
}
await Promise.all(promises);
},
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) {
_pdfjsLib.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) {
parameters[key] = args[key];
}
}
const loadingTask = (0, _pdfjsLib.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;
}
let key = "loading_error";
if (exception instanceof _pdfjsLib.InvalidPDFException) {
key = "invalid_file_error";
} else if (exception instanceof _pdfjsLib.MissingPDFException) {
key = "missing_file_error";
} else if (exception instanceof _pdfjsLib.UnexpectedResponseException) {
key = "unexpected_response_error";
}
return this.l10n.get(key).then(msg => {
this._documentError(msg, {
message: exception?.message
});
throw exception;
});
});
},
_ensureDownloadComplete() {
if (this.pdfDocument && this.downloadComplete) {
return;
}
throw new Error("PDF document not downloaded.");
},
async download({
sourceEventType = "download"
} = {}) {
const url = this.baseUrl,
filename = this._docFilename;
try {
this._ensureDownloadComplete();
const data = await this.pdfDocument.getData();
const blob = new Blob([data], {
type: "application/pdf"
});
await this.downloadManager.download(blob, url, filename, sourceEventType);
} catch (reason) {
await this.downloadManager.downloadUrl(url, filename);
}
},
async save({
sourceEventType = "download"
} = {}) {
if (this._saveInProgress) {
return;
}
this._saveInProgress = true;
await this.pdfScriptingManager.dispatchWillSave();
const url = this.baseUrl,
filename = this._docFilename;
try {
this._ensureDownloadComplete();
const data = await this.pdfDocument.saveDocument();
const blob = new Blob([data], {
type: "application/pdf"
});
await this.downloadManager.download(blob, url, filename, sourceEventType);
} catch (reason) {
await this.download({
sourceEventType
});
} finally {
await this.pdfScriptingManager.dispatchDidSave();
this._saveInProgress = false;
}
},
downloadOrSave(options) {
if (this.pdfDocument?.annotationStorage.size > 0) {
this.save(options);
} else {
this.download(options);
}
},
fallback(featureId) {
this.externalServices.reportTelemetry({
type: "unsupportedFeature",
featureId
});
if (this._fellback) {
return;
}
this._fellback = true;
this.externalServices.fallback({
featureId,
url: this.baseUrl
}).then(download => {
if (!download) {
return;
}
this.download({
sourceEventType: "download"
});
});
},
_documentError(message, moreInfo = null) {
this._unblockDocumentLoadEvent();
this._otherError(message, moreInfo);
},
_otherError(message, moreInfo = null) {
const moreInfoText = [this.l10n.get("error_version_info", {
version: _pdfjsLib.version || "?",
build: _pdfjsLib.build || "?"
})];
if (moreInfo) {
moreInfoText.push(this.l10n.get("error_message", {
message: moreInfo.message
}));
if (moreInfo.stack) {
moreInfoText.push(this.l10n.get("error_stack", {
stack: moreInfo.stack
}));
} else {
if (moreInfo.filename) {
moreInfoText.push(this.l10n.get("error_file", {
file: moreInfo.filename
}));
}
if (moreInfo.lineNumber) {
moreInfoText.push(this.l10n.get("error_line", {
line: moreInfo.lineNumber
}));
}
}
}
const errorWrapperConfig = this.appConfig.errorWrapper;
const errorWrapper = errorWrapperConfig.container;
errorWrapper.hidden = false;
const errorMessage = errorWrapperConfig.errorMessage;
errorMessage.textContent = message;
const closeButton = errorWrapperConfig.closeButton;
closeButton.onclick = function () {
errorWrapper.hidden = true;
};
const errorMoreInfo = errorWrapperConfig.errorMoreInfo;
const moreInfoButton = errorWrapperConfig.moreInfoButton;
const lessInfoButton = errorWrapperConfig.lessInfoButton;
moreInfoButton.onclick = function () {
errorMoreInfo.hidden = false;
moreInfoButton.hidden = true;
lessInfoButton.hidden = false;
errorMoreInfo.style.height = errorMoreInfo.scrollHeight + "px";
};
lessInfoButton.onclick = function () {
errorMoreInfo.hidden = true;
moreInfoButton.hidden = false;
lessInfoButton.hidden = true;
};
moreInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
lessInfoButton.oncontextmenu = _ui_utils.noContextMenuHandler;
closeButton.oncontextmenu = _ui_utils.noContextMenuHandler;
moreInfoButton.hidden = false;
lessInfoButton.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(({
length
}) => {
this._contentLength = length;
this.downloadComplete = true;
this.loadingBar.hide();
firstPagePromise.then(() => {
this.eventBus.dispatch("documentloaded", {
source: this
});
});
});
const pageLayoutPromise = pdfDocument.getPageLayout().catch(function () {});
const pageModePromise = pdfDocument.getPageMode().catch(function () {});
const openActionPromise = pdfDocument.getOpenAction().catch(function () {});
this.toolbar.setPagesCount(pdfDocument.numPages, false);
this.secondaryToolbar.setPagesCount(pdfDocument.numPages);
let baseDocumentUrl;
baseDocumentUrl = null;
this.pdfLinkService.setDocument(pdfDocument, baseDocumentUrl);
this.pdfDocumentProperties.setDocument(pdfDocument, this.url);
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: _ui_utils.SidebarView.UNKNOWN,
scrollMode: _ui_utils.ScrollMode.UNKNOWN,
spreadMode: _ui_utils.SpreadMode.UNKNOWN
}).catch(() => {
return Object.create(null);
});
firstPagePromise.then(pdfPage => {
this.loadingBar.setWidth(this.appConfig.viewerContainer);
this._initializeAnnotationStorageCallbacks(pdfDocument);
Promise.all([_ui_utils.animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => {
const viewOnLoad = _app_options.AppOptions.get("viewOnLoad");
this._initializePdfHistory({
fingerprint: pdfDocument.fingerprint,
viewOnLoad,
initialDest: openAction?.dest
});
const initialBookmark = this.initialBookmark;
const zoom = _app_options.AppOptions.get("defaultZoomValue");
let hash = zoom ? `zoom=${zoom}` : null;
let rotation = null;
let sidebarView = _app_options.AppOptions.get("sidebarViewOnLoad");
let scrollMode = _app_options.AppOptions.get("scrollModeOnLoad");
let spreadMode = _app_options.AppOptions.get("spreadModeOnLoad");
if (stored.page && viewOnLoad !== ViewOnLoad.INITIAL) {
hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`;
rotation = parseInt(stored.rotation, 10);
if (sidebarView === _ui_utils.SidebarView.UNKNOWN) {
sidebarView = stored.sidebarView | 0;
}
if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) {
scrollMode = stored.scrollMode | 0;
}
if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
spreadMode = stored.spreadMode | 0;
}
}
if (pageMode && sidebarView === _ui_utils.SidebarView.UNKNOWN) {
sidebarView = (0, _ui_utils.apiPageModeToSidebarView)(pageMode);
}
if (pageLayout && spreadMode === _ui_utils.SpreadMode.UNKNOWN) {
spreadMode = (0, _ui_utils.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._unblockDocumentLoadEvent();
this._initializeAutoPrint(pdfDocument, openActionPromise);
});
onePageRendered.then(() => {
pdfDocument.getOutline().then(outline => {
if (pdfDocument !== this.pdfDocument) {
return;
}
this.pdfOutlineViewer.render({
outline,
pdfDocument
});
});
pdfDocument.getAttachments().then(attachments => {
if (pdfDocument !== this.pdfDocument) {
return;
}
this.pdfAttachmentViewer.render({
attachments
});
});
pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => {
if (pdfDocument !== this.pdfDocument) {
return;
}
this.pdfLayerViewer.render({
optionalContentConfig,
pdfDocument
});
});
if ("requestIdleCallback" in window) {
const callback = window.requestIdleCallback(() => {
this._collectTelemetry(pdfDocument);
this._idleCallbacks.delete(callback);
}, {
timeout: 1000
});
this._idleCallbacks.add(callback);
}
});
this._initializePageLabels(pdfDocument);
this._initializeMetadata(pdfDocument);
},
async _scriptingDocProperties(pdfDocument) {
if (!this.documentInfo) {
await new Promise(resolve => {
this.eventBus._on("metadataloaded", resolve, {
once: true
});
});
if (pdfDocument !== this.pdfDocument) {
return null;
}
}
if (!this._contentLength) {
await new Promise(resolve => {
this.eventBus._on("documentloaded", resolve, {
once: true
});
});
if (pdfDocument !== this.pdfDocument) {
return null;
}
}
return { ...this.documentInfo,
baseURL: this.baseUrl,
filesize: this._contentLength,
filename: this._docFilename,
metadata: this.metadata?.getRaw(),
authors: this.metadata?.get("dc:creator"),
numPages: this.pagesCount,
URL: this.url
};
},
async _collectTelemetry(pdfDocument) {
const markInfo = await this.pdfDocument.getMarkInfo();
if (pdfDocument !== this.pdfDocument) {
return;
}
const tagged = markInfo?.Marked || false;
this.externalServices.reportTelemetry({
type: "tagged",
tagged
});
},
async _initializeAutoPrint(pdfDocument, openActionPromise) {
const [openAction, javaScript] = await Promise.all([openActionPromise, !this.pdfViewer.enableScripting ? pdfDocument.getJavaScript() : null]);
if (pdfDocument !== this.pdfDocument) {
return;
}
let triggerAutoPrint = false;
if (openAction?.action === "Print") {
triggerAutoPrint = true;
}
if (javaScript) {
javaScript.some(js => {
if (!js) {
return false;
}
console.warn("Warning: JavaScript support is not enabled");
this.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.javaScript);
return true;
});
if (!triggerAutoPrint) {
for (const js of javaScript) {
if (js && _ui_utils.AutoPrintRegExp.test(js)) {
triggerAutoPrint = true;
break;
}
}
}
}
if (triggerAutoPrint) {
this.triggerPrinting();
}
},
async _initializeMetadata(pdfDocument) {
const {
info,
metadata,
contentDispositionFilename,
contentLength
} = await pdfDocument.getMetadata();
if (pdfDocument !== this.pdfDocument) {
return;
}
this.documentInfo = info;
this.metadata = metadata;
this._contentDispositionFilename ?? (this._contentDispositionFilename = contentDispositionFilename);
this._contentLength ?? (this._contentLength = contentLength);
console.log(`PDF ${pdfDocument.fingerprint} [${info.PDFFormatVersion} ` + `${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` + `(PDF.js: ${_pdfjsLib.version || "-"})`);
let pdfTitle = info?.Title;
const metadataTitle = metadata?.get("dc:title");
if (metadataTitle) {
if (metadataTitle !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) {
pdfTitle = metadataTitle;
}
}
if (pdfTitle) {
this.setTitle(`${pdfTitle} - ${contentDispositionFilename || document.title}`);
} else if (contentDispositionFilename) {
this.setTitle(contentDispositionFilename);
}
if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) {
console.warn("Warning: XFA is not enabled");
this.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
} else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderInteractiveForms) {
console.warn("Warning: Interactive form support is not enabled");
this.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.forms);
}
if (info.IsSignaturesPresent) {
console.warn("Warning: Digital signatures validation is not supported");
this.fallback(_pdfjsLib.UNSUPPORTED_FEATURES.signatures);
}
let versionId = "other";
if (KNOWN_VERSIONS.includes(info.PDFFormatVersion)) {
versionId = `v${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
});
this.eventBus.dispatch("metadataloaded", {
source: this
});
},
async _initializePageLabels(pdfDocument) {
const labels = await pdfDocument.getPageLabels();
if (pdfDocument !== this.pdfDocument) {
return;
}
if (!labels || _app_options.AppOptions.get("disablePageLabels")) {
return;
}
const numLabels = labels.length;
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(_pdfjsLib.PermissionFlag.COPY)) {
this.appConfig.viewerContainer.classList.add(ENABLE_PERMISSIONS_CLASS);
}
},
_initializeAnnotationStorageCallbacks(pdfDocument) {
if (pdfDocument !== this.pdfDocument) {
return;
}
const {
annotationStorage
} = pdfDocument;
annotationStorage.onSetModified = () => {
window.addEventListener("beforeunload", beforeUnload);
this._annotationStorageModified = true;
};
annotationStorage.onResetModified = () => {
window.removeEventListener("beforeunload", beforeUnload);
delete this._annotationStorageModified;
};
},
setInitialView(storedHash, {
rotation,
sidebarView,
scrollMode,
spreadMode
} = {}) {
const setRotation = angle => {
if ((0, _ui_utils.isValidRotation)(angle)) {
this.pdfViewer.pagesRotation = angle;
}
};
const setViewerModes = (scroll, spread) => {
if ((0, _ui_utils.isValidScrollMode)(scroll)) {
this.pdfViewer.scrollMode = scroll;
}
if ((0, _ui_utils.isValidSpreadMode)(spread)) {
this.pdfViewer.spreadMode = spread;
}
};
this.isInitialViewSet = true;
this.pdfSidebar.setInitialView(sidebarView);
setViewerModes(scrollMode, spreadMode);
if (this.initialBookmark) {
setRotation(this.initialRotation);
delete this.initialRotation;
this.pdfLinkService.setHash(this.initialBookmark);
this.initialBookmark = null;
} else if (storedHash) {
setRotation(rotation);
this.pdfLinkService.setHash(storedHash);
}
this.toolbar.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel);
this.secondaryToolbar.setPageNumber(this.pdfViewer.currentPageNumber);
if (!this.pdfViewer.currentScaleValue) {
this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
}
},
_cleanup() {
if (!this.pdfDocument) {
return;
}
this.pdfViewer.cleanup();
this.pdfThumbnailViewer.cleanup();
this.pdfDocument.cleanup(this.pdfViewer.renderer === _ui_utils.RendererType.SVG);
},
forceRendering() {
this.pdfRenderingQueue.printing = !!this.printService;
this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar.isThumbnailViewVisible;
this.pdfRenderingQueue.renderHighestPriority();
},
beforePrint() {
this.pdfScriptingManager.dispatchWillPrint();
if (this.printService) {
return;
}
if (!this.supportsPrinting) {
this.l10n.get("printing_not_supported").then(msg => {
this._otherError(msg);
});
return;
}
if (!this.pdfViewer.pageViewsReady) {
this.l10n.get("printing_not_ready").then(msg => {
window.alert(msg);
});
return;
}
const pagesOverview = this.pdfViewer.getPagesOverview();
const printContainer = this.appConfig.printContainer;
const printResolution = _app_options.AppOptions.get("printResolution");
const optionalContentConfigPromise = this.pdfViewer.optionalContentConfigPromise;
const printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, this.l10n);
this.printService = printService;
this.forceRendering();
printService.layout();
this.externalServices.reportTelemetry({
type: "print"
});
},
afterPrint() {
this.pdfScriptingManager.dispatchDidPrint();
if (this.printService) {
this.printService.destroy();
this.printService = null;
if (this.pdfDocument) {
this.pdfDocument.annotationStorage.resetModified();
}
}
this.forceRendering();
},
rotatePages(delta) {
this.pdfViewer.pagesRotation += delta;
},
requestPresentationMode() {
if (!this.pdfPresentationMode) {
return;
}
this.pdfPresentationMode.request();
},
triggerPrinting() {
if (!this.supportsPrinting) {
return;
}
window.print();
},
bindEvents() {
const {
eventBus,
_boundEvents
} = this;
_boundEvents.beforePrint = this.beforePrint.bind(this);
_boundEvents.afterPrint = this.afterPrint.bind(this);
eventBus._on("resize", webViewerResize);
eventBus._on("hashchange", webViewerHashchange);
eventBus._on("beforeprint", _boundEvents.beforePrint);
eventBus._on("afterprint", _boundEvents.afterPrint);
eventBus._on("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);
if (_app_options.AppOptions.get("pdfBug")) {
_boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug;
eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug);
eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug);
}
eventBus._on("fileinputchange", webViewerFileInputChange);
eventBus._on("openfile", webViewerOpenFile);
},
bindWindowEvents() {
const {
eventBus,
_boundEvents
} = this;
_boundEvents.windowResize = () => {
eventBus.dispatch("resize", {
source: window
});
};
_boundEvents.windowHashChange = () => {
eventBus.dispatch("hashchange", {
source: window,
hash: document.location.hash.substring(1)
});
};
_boundEvents.windowBeforePrint = () => {
eventBus.dispatch("beforeprint", {
source: window
});
};
_boundEvents.windowAfterPrint = () => {
eventBus.dispatch("afterprint", {
source: window
});
};
_boundEvents.windowUpdateFromSandbox = event => {
eventBus.dispatch("updatefromsandbox", {
source: window,
detail: event.detail
});
};
window.addEventListener("visibilitychange", webViewerVisibilityChange);
window.addEventListener("wheel", webViewerWheel, {
passive: false
});
window.addEventListener("touchstart", webViewerTouchStart, {
passive: false
});
window.addEventListener("click", webViewerClick);
window.addEventListener("keydown", webViewerKeyDown);
window.addEventListener("resize", _boundEvents.windowResize);
window.addEventListener("hashchange", _boundEvents.windowHashChange);
window.addEventListener("beforeprint", _boundEvents.windowBeforePrint);
window.addEventListener("afterprint", _boundEvents.windowAfterPrint);
window.addEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox);
},
unbindEvents() {
const {
eventBus,
_boundEvents
} = this;
eventBus._off("resize", webViewerResize);
eventBus._off("hashchange", webViewerHashchange);
eventBus._off("beforeprint", _boundEvents.beforePrint);
eventBus._off("afterprint", _boundEvents.afterPrint);
eventBus._off("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);
if (_boundEvents.reportPageStatsPDFBug) {
eventBus._off("pagerendered", _boundEvents.reportPageStatsPDFBug);
eventBus._off("pagechanging", _boundEvents.reportPageStatsPDFBug);
_boundEvents.reportPageStatsPDFBug = null;
}
eventBus._off("fileinputchange", webViewerFileInputChange);
eventBus._off("openfile", webViewerOpenFile);
_boundEvents.beforePrint = null;
_boundEvents.afterPrint = null;
},
unbindWindowEvents() {
const {
_boundEvents
} = this;
window.removeEventListener("visibilitychange", webViewerVisibilityChange);
window.removeEventListener("wheel", webViewerWheel, {
passive: false
});
window.removeEventListener("touchstart", webViewerTouchStart, {
passive: false
});
window.removeEventListener("click", webViewerClick);
window.removeEventListener("keydown", webViewerKeyDown);
window.removeEventListener("resize", _boundEvents.windowResize);
window.removeEventListener("hashchange", _boundEvents.windowHashChange);
window.removeEventListener("beforeprint", _boundEvents.windowBeforePrint);
window.removeEventListener("afterprint", _boundEvents.windowAfterPrint);
window.removeEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox);
_boundEvents.windowResize = null;
_boundEvents.windowHashChange = null;
_boundEvents.windowBeforePrint = null;
_boundEvents.windowAfterPrint = null;
_boundEvents.windowUpdateFromSandbox = 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;
},
_unblockDocumentLoadEvent() {
if (document.blockUnblockOnload) {
document.blockUnblockOnload(false);
}
this._unblockDocumentLoadEvent = () => {};
},
get scriptingReady() {
return this.pdfScriptingManager.ready;
}
};
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) {
PDFViewerApplication.l10n.get("loading_error").then(msg => {
PDFViewerApplication._documentError(msg, {
message: ex?.message
});
});
throw ex;
}
};
}
async function loadFakeWorker() {
if (!_pdfjsLib.GlobalWorkerOptions.workerSrc) {
_pdfjsLib.GlobalWorkerOptions.workerSrc = _app_options.AppOptions.get("workerSrc");
}
return (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.getWorkerSrc());
}
function loadAndEnablePDFBug(enabledTabs) {
const appConfig = PDFViewerApplication.appConfig;
return (0, _pdfjsLib.loadScript)(appConfig.debuggerScriptPath).then(function () {
PDFBug.enable(enabledTabs);
PDFBug.init({
OPS: _pdfjsLib.OPS
}, appConfig.mainContainer);
});
}
function reportPageStatsPDFBug({
pageNumber
}) {
if (typeof Stats === "undefined" || !Stats.enabled) {
return;
}
const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1);
const pageStats = pageView?.pdfPage?.stats;
if (!pageStats) {
return;
}
Stats.add(pageNumber, pageStats);
}
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.hidden = true;
appConfig.secondaryToolbar.openFileButton.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").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").then(msg => {
PDFViewerApplication._documentError(msg, reason);
});
}
}
function webViewerOpenFileViaURL(file) {
if (file) {
PDFViewerApplication.open(file);
}
}
function webViewerResetPermissions() {
const {
appConfig
} = PDFViewerApplication;
if (!appConfig) {
return;
}
appConfig.viewerContainer.classList.remove(ENABLE_PERMISSIONS_CLASS);
}
function webViewerPageRendered({
pageNumber,
timestamp,
error
}) {
if (pageNumber === PDFViewerApplication.page) {
PDFViewerApplication.toolbar.updateLoadingIndicatorState(false);
}
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1);
const thumbnailView = PDFViewerApplication.pdfThumbnailViewer.getThumbnail(pageNumber - 1);
if (pageView && thumbnailView) {
thumbnailView.setImage(pageView);
}
}
if (error) {
PDFViewerApplication.l10n.get("rendering_error").then(msg => {
PDFViewerApplication._otherError(msg, error);
});
}
PDFViewerApplication.externalServices.reportTelemetry({
type: "pageInfo",
timestamp
});
PDFViewerApplication.pdfDocument.getStats().then(function (stats) {
PDFViewerApplication.externalServices.reportTelemetry({
type: "documentStats",
stats
});
});
}
function webViewerPageMode({
mode
}) {
let view;
switch (mode) {
case "thumbs":
view = _ui_utils.SidebarView.THUMBS;
break;
case "bookmarks":
case "outline":
view = _ui_utils.SidebarView.OUTLINE;
break;
case "attachments":
view = _ui_utils.SidebarView.ATTACHMENTS;
break;
case "layers":
view = _ui_utils.SidebarView.LAYERS;
break;
case "none":
view = _ui_utils.SidebarView.NONE;
break;
default:
console.error('Invalid "pagemode" hash parameter: ' + mode);
return;
}
PDFViewerApplication.pdfSidebar.switchView(view, true);
}
function webViewerNamedAction(evt) {
switch (evt.action) {
case "GoToPage":
PDFViewerApplication.appConfig.toolbar.pageNumber.select();
break;
case "Find":
if (!PDFViewerApplication.supportsIntegratedFind) {
PDFViewerApplication.findBar.toggle();
}
break;
case "Print":
PDFViewerApplication.triggerPrinting();
break;
case "SaveAs":
webViewerSave();
break;
}
}
function webViewerPresentationModeChanged(evt) {
PDFViewerApplication.pdfViewer.presentationModeState = evt.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?.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.hidden = true;
appConfig.secondaryToolbar.viewBookmarkButton.hidden = true;
appConfig.toolbar.download.hidden = true;
appConfig.secondaryToolbar.downloadButton.hidden = true;
};
webViewerOpenFile = function (evt) {
const openFileInputName = PDFViewerApplication.appConfig.openFileInputName;
document.getElementById(openFileInputName).click();
};
}
function webViewerPresentationMode() {
PDFViewerApplication.requestPresentationMode();
}
function webViewerPrint() {
PDFViewerApplication.triggerPrinting();
}
function webViewerDownload() {
PDFViewerApplication.downloadOrSave({
sourceEventType: "download"
});
}
function webViewerSave() {
PDFViewerApplication.downloadOrSave({
sourceEventType: "save"
});
}
function webViewerFirstPage() {
if (PDFViewerApplication.pdfDocument) {
PDFViewerApplication.page = 1;
}
}
function webViewerLastPage() {
if (PDFViewerApplication.pdfDocument) {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
}
}
function webViewerNextPage() {
PDFViewerApplication.pdfViewer.nextPage();
}
function webViewerPreviousPage() {
PDFViewerApplication.pdfViewer.previousPage();
}
function webViewerZoomIn() {
PDFViewerApplication.zoomIn();
}
function webViewerZoomOut() {
PDFViewerApplication.zoomOut();
}
function webViewerZoomReset() {
PDFViewerApplication.zoomReset();
}
function webViewerPageNumberChanged(evt) {
const pdfViewer = PDFViewerApplication.pdfViewer;
if (evt.value !== "") {
PDFViewerApplication.pdfLinkService.goToPage(evt.value);
}
if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) {
PDFViewerApplication.toolbar.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel);
}
}
function webViewerScaleChanged(evt) {
PDFViewerApplication.pdfViewer.currentScaleValue = evt.value;
}
function webViewerRotateCw() {
PDFViewerApplication.rotatePages(90);
}
function webViewerRotateCcw() {
PDFViewerApplication.rotatePages(-90);
}
function webViewerOptionalContentConfig(evt) {
PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise;
}
function webViewerSwitchScrollMode(evt) {
PDFViewerApplication.pdfViewer.scrollMode = evt.mode;
}
function webViewerSwitchSpreadMode(evt) {
PDFViewerApplication.pdfViewer.spreadMode = evt.mode;
}
function webViewerDocumentProperties() {
PDFViewerApplication.pdfDocumentProperties.open();
}
function 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({
pageNumber,
pageLabel
}) {
PDFViewerApplication.toolbar.setPageNumber(pageNumber, pageLabel);
PDFViewerApplication.secondaryToolbar.setPageNumber(pageNumber);
if (PDFViewerApplication.pdfSidebar.isThumbnailViewVisible) {
PDFViewerApplication.pdfThumbnailViewer.scrollThumbnailIntoView(pageNumber);
}
}
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.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 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?.isInPresentationMode;
if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) {
switch (evt.keyCode) {
case 70:
if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) {
PDFViewerApplication.findBar.open();
handled = true;
}
break;
case 71:
if (!PDFViewerApplication.supportsIntegratedFind) {
const 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 = (0, _ui_utils.getActiveOrFocusedElement)();
const curElementTagName = curElement?.tagName.toUpperCase();
if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElement?.isContentEditable) {
if (evt.keyCode !== 27) {
return;
}
}
if (cmd === 0) {
let turnPage = 0,
turnOnlyIfPageFit = false;
switch (evt.keyCode) {
case 38:
case 33:
if (pdfViewer.isVerticalScrollbarEnabled) {
turnOnlyIfPageFit = true;
}
turnPage = -1;
break;
case 8:
if (!isViewerInPresentationMode) {
turnOnlyIfPageFit = true;
}
turnPage = -1;
break;
case 37:
if (pdfViewer.isHorizontalScrollbarEnabled) {
turnOnlyIfPageFit = true;
}
case 75:
case 80:
turnPage = -1;
break;
case 27:
if (PDFViewerApplication.secondaryToolbar.isOpen) {
PDFViewerApplication.secondaryToolbar.close();
handled = true;
}
if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar.opened) {
PDFViewerApplication.findBar.close();
handled = true;
}
break;
case 40:
case 34:
if (pdfViewer.isVerticalScrollbarEnabled) {
turnOnlyIfPageFit = true;
}
turnPage = 1;
break;
case 13:
case 32:
if (!isViewerInPresentationMode) {
turnOnlyIfPageFit = true;
}
turnPage = 1;
break;
case 39:
if (pdfViewer.isHorizontalScrollbarEnabled) {
turnOnlyIfPageFit = true;
}
case 74:
case 78:
turnPage = 1;
break;
case 36:
if (isViewerInPresentationMode || PDFViewerApplication.page > 1) {
PDFViewerApplication.page = 1;
handled = true;
ensureViewerFocused = true;
}
break;
case 35:
if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) {
PDFViewerApplication.page = PDFViewerApplication.pagesCount;
handled = true;
ensureViewerFocused = true;
}
break;
case 83:
PDFViewerApplication.pdfCursorTools.switchTool(_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) {
pdfViewer.nextPage();
} else {
pdfViewer.previousPage();
}
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;
}
const PDFPrintServiceFactory = {
instance: {
supportsPrinting: false,
createPrintService() {
throw new Error("Not implemented: createPrintService");
}
}
};
exports.PDFPrintServiceFactory = PDFPrintServiceFactory;
/***/ }),
/* 4 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.apiPageLayoutToSpreadMode = apiPageLayoutToSpreadMode;
exports.apiPageModeToSidebarView = apiPageModeToSidebarView;
exports.approximateFraction = approximateFraction;
exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements;
exports.binarySearchFirstItem = binarySearchFirstItem;
exports.getActiveOrFocusedElement = getActiveOrFocusedElement;
exports.getOutputScale = getOutputScale;
exports.getPageSizeInches = getPageSizeInches;
exports.getVisibleElements = getVisibleElements;
exports.isPortraitOrientation = isPortraitOrientation;
exports.isValidRotation = isValidRotation;
exports.isValidScrollMode = isValidScrollMode;
exports.isValidSpreadMode = isValidSpreadMode;
exports.moveToEndOfArray = moveToEndOfArray;
exports.noContextMenuHandler = noContextMenuHandler;
exports.normalizeWheelEventDelta = normalizeWheelEventDelta;
exports.normalizeWheelEventDirection = normalizeWheelEventDirection;
exports.parseQueryString = parseQueryString;
exports.roundToDivide = roundToDivide;
exports.scrollIntoView = scrollIntoView;
exports.waitOnEventOrTimeout = waitOnEventOrTimeout;
exports.watchScroll = watchScroll;
exports.WaitOnType = exports.VERTICAL_PADDING = exports.UNKNOWN_SCALE = exports.TextLayerMode = exports.SpreadMode = exports.SidebarView = exports.ScrollMode = exports.SCROLLBAR_PADDING = exports.RendererType = exports.ProgressBar = exports.PresentationModeState = exports.MIN_SCALE = exports.MAX_SCALE = exports.MAX_AUTO_SCALE = exports.EventBus = exports.DEFAULT_SCALE_VALUE = exports.DEFAULT_SCALE = exports.CSS_UNITS = exports.AutoPrintRegExp = exports.animationStarted = void 0;
const CSS_UNITS = 96.0 / 72.0;
exports.CSS_UNITS = CSS_UNITS;
const DEFAULT_SCALE_VALUE = "auto";
exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE;
const DEFAULT_SCALE = 1.0;
exports.DEFAULT_SCALE = DEFAULT_SCALE;
const MIN_SCALE = 0.1;
exports.MIN_SCALE = MIN_SCALE;
const MAX_SCALE = 10.0;
exports.MAX_SCALE = MAX_SCALE;
const UNKNOWN_SCALE = 0;
exports.UNKNOWN_SCALE = UNKNOWN_SCALE;
const MAX_AUTO_SCALE = 1.25;
exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE;
const SCROLLBAR_PADDING = 40;
exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING;
const VERTICAL_PADDING = 5;
exports.VERTICAL_PADDING = VERTICAL_PADDING;
const LOADINGBAR_END_OFFSET_VAR = "--loadingBar-end-offset";
const PresentationModeState = {
UNKNOWN: 0,
NORMAL: 1,
CHANGING: 2,
FULLSCREEN: 3
};
exports.PresentationModeState = PresentationModeState;
const SidebarView = {
UNKNOWN: -1,
NONE: 0,
THUMBS: 1,
OUTLINE: 2,
ATTACHMENTS: 3,
LAYERS: 4
};
exports.SidebarView = SidebarView;
const RendererType = {
CANVAS: "canvas",
SVG: "svg"
};
exports.RendererType = RendererType;
const TextLayerMode = {
DISABLE: 0,
ENABLE: 1,
ENABLE_ENHANCE: 2
};
exports.TextLayerMode = TextLayerMode;
const ScrollMode = {
UNKNOWN: -1,
VERTICAL: 0,
HORIZONTAL: 1,
WRAPPED: 2
};
exports.ScrollMode = ScrollMode;
const SpreadMode = {
UNKNOWN: -1,
NONE: 0,
ODD: 1,
EVEN: 2
};
exports.SpreadMode = SpreadMode;
const AutoPrintRegExp = /\bprint\s*\(/;
exports.AutoPrintRegExp = AutoPrintRegExp;
function getOutputScale(ctx) {
const devicePixelRatio = window.devicePixelRatio || 1;
const backingStoreRatio = ctx.webkitBackingStorePixelRatio || ctx.mozBackingStorePixelRatio || ctx.backingStorePixelRatio || 1;
const pixelRatio = devicePixelRatio / backingStoreRatio;
return {
sx: pixelRatio,
sy: pixelRatio,
scaled: pixelRatio !== 1
};
}
function scrollIntoView(element, spot, skipOverflowHiddenElements = false) {
let parent = element.offsetParent;
if (!parent) {
console.error("offsetParent is not set -- cannot scroll");
return;
}
let offsetY = element.offsetTop + element.clientTop;
let offsetX = element.offsetLeft + element.clientLeft;
while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || skipOverflowHiddenElements && getComputedStyle(parent).overflow === "hidden") {
if (parent.dataset._scaleY) {
offsetY /= parent.dataset._scaleY;
offsetX /= parent.dataset._scaleX;
}
offsetY += parent.offsetTop;
offsetX += parent.offsetLeft;
parent = parent.offsetParent;
if (!parent) {
return;
}
}
if (spot) {
if (spot.top !== undefined) {
offsetY += spot.top;
}
if (spot.left !== undefined) {
offsetX += spot.left;
parent.scrollLeft = offsetX;
}
}
parent.scrollTop = offsetY;
}
function watchScroll(viewAreaElement, callback) {
const debounceScroll = function (evt) {
if (rAF) {
return;
}
rAF = window.requestAnimationFrame(function viewAreaElementScrolled() {
rAF = null;
const currentX = viewAreaElement.scrollLeft;
const lastX = state.lastX;
if (currentX !== lastX) {
state.right = currentX > lastX;
}
state.lastX = currentX;
const currentY = viewAreaElement.scrollTop;
const lastY = state.lastY;
if (currentY !== lastY) {
state.down = currentY > lastY;
}
state.lastY = currentY;
callback(state);
});
};
const state = {
right: true,
down: true,
lastX: viewAreaElement.scrollLeft,
lastY: viewAreaElement.scrollTop,
_eventHandler: debounceScroll
};
let rAF = null;
viewAreaElement.addEventListener("scroll", debounceScroll, true);
return state;
}
function parseQueryString(query) {
const parts = query.split("&");
const params = Object.create(null);
for (let i = 0, ii = parts.length; i < ii; ++i) {
const param = parts[i].split("=");
const key = param[0].toLowerCase();
const value = param.length > 1 ? param[1] : null;
params[decodeURIComponent(key)] = decodeURIComponent(value);
}
return params;
}
function binarySearchFirstItem(items, condition) {
let minIndex = 0;
let maxIndex = items.length - 1;
if (maxIndex < 0 || !condition(items[maxIndex])) {
return items.length;
}
if (condition(items[minIndex])) {
return minIndex;
}
while (minIndex < maxIndex) {
const currentIndex = minIndex + maxIndex >> 1;
const currentItem = items[currentIndex];
if (condition(currentItem)) {
maxIndex = currentIndex;
} else {
minIndex = currentIndex + 1;
}
}
return minIndex;
}
function approximateFraction(x) {
if (Math.floor(x) === x) {
return [x, 1];
}
const xinv = 1 / x;
const limit = 8;
if (xinv > limit) {
return [1, limit];
} else if (Math.floor(xinv) === xinv) {
return [1, xinv];
}
const x_ = x > 1 ? xinv : x;
let a = 0,
b = 1,
c = 1,
d = 1;
while (true) {
const p = a + c,
q = b + d;
if (q > limit) {
break;
}
if (x_ <= p / q) {
c = p;
d = q;
} else {
a = p;
b = q;
}
}
let result;
if (x_ - a / b < c / d - x_) {
result = x_ === x ? [a, b] : [b, a];
} else {
result = x_ === x ? [c, d] : [d, c];
}
return result;
}
function roundToDivide(x, div) {
const r = x % div;
return r === 0 ? x : Math.round(x - r + div);
}
function getPageSizeInches({
view,
userUnit,
rotate
}) {
const [x1, y1, x2, y2] = view;
const changeOrientation = rotate % 180 !== 0;
const width = (x2 - x1) / 72 * userUnit;
const height = (y2 - y1) / 72 * userUnit;
return {
width: changeOrientation ? height : width,
height: changeOrientation ? width : height
};
}
function backtrackBeforeAllVisibleElements(index, views, top) {
if (index < 2) {
return index;
}
let elt = views[index].div;
let pageTop = elt.offsetTop + elt.clientTop;
if (pageTop >= top) {
elt = views[index - 1].div;
pageTop = elt.offsetTop + elt.clientTop;
}
for (let i = index - 2; i >= 0; --i) {
elt = views[i].div;
if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) {
break;
}
index = i;
}
return index;
}
function getVisibleElements({
scrollEl,
views,
sortByVisibility = false,
horizontal = false,
rtl = false
}) {
const top = scrollEl.scrollTop,
bottom = top + scrollEl.clientHeight;
const left = scrollEl.scrollLeft,
right = left + scrollEl.clientWidth;
function isElementBottomAfterViewTop(view) {
const element = view.div;
const elementBottom = element.offsetTop + element.clientTop + element.clientHeight;
return elementBottom > top;
}
function isElementNextAfterViewHorizontally(view) {
const element = view.div;
const elementLeft = element.offsetLeft + element.clientLeft;
const elementRight = elementLeft + element.clientWidth;
return rtl ? elementLeft < right : elementRight > left;
}
const visible = [],
numViews = views.length;
let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop);
if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) {
firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top);
}
let lastEdge = horizontal ? right : -1;
for (let i = firstVisibleElementInd; i < numViews; i++) {
const view = views[i],
element = view.div;
const currentWidth = element.offsetLeft + element.clientLeft;
const currentHeight = element.offsetTop + element.clientTop;
const viewWidth = element.clientWidth,
viewHeight = element.clientHeight;
const viewRight = currentWidth + viewWidth;
const viewBottom = currentHeight + viewHeight;
if (lastEdge === -1) {
if (viewBottom >= bottom) {
lastEdge = viewBottom;
}
} else if ((horizontal ? currentWidth : currentHeight) > lastEdge) {
break;
}
if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) {
continue;
}
const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom);
const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right);
const fractionHeight = (viewHeight - hiddenHeight) / viewHeight,
fractionWidth = (viewWidth - hiddenWidth) / viewWidth;
const percent = fractionHeight * fractionWidth * 100 | 0;
visible.push({
id: view.id,
x: currentWidth,
y: currentHeight,
view,
percent,
widthPercent: fractionWidth * 100 | 0
});
}
const first = visible[0],
last = visible[visible.length - 1];
if (sortByVisibility) {
visible.sort(function (a, b) {
const pc = a.percent - b.percent;
if (Math.abs(pc) > 0.001) {
return -pc;
}
return a.id - b.id;
});
}
return {
first,
last,
views: visible
};
}
function noContextMenuHandler(evt) {
evt.preventDefault();
}
function normalizeWheelEventDirection(evt) {
let delta = Math.hypot(evt.deltaX, evt.deltaY);
const angle = Math.atan2(evt.deltaY, evt.deltaX);
if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) {
delta = -delta;
}
return delta;
}
function normalizeWheelEventDelta(evt) {
let delta = normalizeWheelEventDirection(evt);
const MOUSE_DOM_DELTA_PIXEL_MODE = 0;
const MOUSE_DOM_DELTA_LINE_MODE = 1;
const MOUSE_PIXELS_PER_LINE = 30;
const MOUSE_LINES_PER_PAGE = 30;
if (evt.deltaMode === MOUSE_DOM_DELTA_PIXEL_MODE) {
delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE;
} else if (evt.deltaMode === MOUSE_DOM_DELTA_LINE_MODE) {
delta /= MOUSE_LINES_PER_PAGE;
}
return delta;
}
function isValidRotation(angle) {
return Number.isInteger(angle) && angle % 90 === 0;
}
function isValidScrollMode(mode) {
return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN;
}
function isValidSpreadMode(mode) {
return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN;
}
function isPortraitOrientation(size) {
return size.width <= size.height;
}
const WaitOnType = {
EVENT: "event",
TIMEOUT: "timeout"
};
exports.WaitOnType = WaitOnType;
function waitOnEventOrTimeout({
target,
name,
delay = 0
}) {
return new Promise(function (resolve, reject) {
if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) {
throw new Error("waitOnEventOrTimeout - invalid parameters.");
}
function handler(type) {
if (target instanceof EventBus) {
target._off(name, eventHandler);
} else {
target.removeEventListener(name, eventHandler);
}
if (timeout) {
clearTimeout(timeout);
}
resolve(type);
}
const eventHandler = handler.bind(null, WaitOnType.EVENT);
if (target instanceof EventBus) {
target._on(name, eventHandler);
} else {
target.addEventListener(name, eventHandler);
}
const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT);
const timeout = setTimeout(timeoutHandler, delay);
});
}
const animationStarted = new Promise(function (resolve) {
window.requestAnimationFrame(resolve);
});
exports.animationStarted = animationStarted;
function dispatchDOMEvent(eventName, args = null) {
throw new Error("Not implemented: dispatchDOMEvent");
}
class EventBus {
constructor(options) {
this._listeners = Object.create(null);
}
on(eventName, listener, options = null) {
this._on(eventName, listener, {
external: true,
once: options?.once
});
}
off(eventName, listener, options = null) {
this._off(eventName, listener, {
external: true,
once: options?.once
});
}
dispatch(eventName) {
const eventListeners = this._listeners[eventName];
if (!eventListeners || eventListeners.length === 0) {
return;
}
const args = Array.prototype.slice.call(arguments, 1);
let externalListeners;
for (const {
listener,
external,
once
} of eventListeners.slice(0)) {
if (once) {
this._off(eventName, listener);
}
if (external) {
(externalListeners || (externalListeners = [])).push(listener);
continue;
}
listener.apply(null, args);
}
if (externalListeners) {
for (const listener of externalListeners) {
listener.apply(null, args);
}
externalListeners = null;
}
}
_on(eventName, listener, options = null) {
var _this$_listeners;
const eventListeners = (_this$_listeners = this._listeners)[eventName] || (_this$_listeners[eventName] = []);
eventListeners.push({
listener,
external: options?.external === true,
once: options?.once === true
});
}
_off(eventName, listener, options = null) {
const eventListeners = this._listeners[eventName];
if (!eventListeners) {
return;
}
for (let i = 0, ii = eventListeners.length; i < ii; i++) {
if (eventListeners[i].listener === listener) {
eventListeners.splice(i, 1);
return;
}
}
}
}
exports.EventBus = EventBus;
function clamp(v, min, max) {
return Math.min(Math.max(v, min), max);
}
class ProgressBar {
constructor(id, {
height,
width,
units
} = {}) {
this.visible = true;
this.div = document.querySelector(id + " .progress");
this.bar = this.div.parentNode;
this.height = height || 100;
this.width = width || 100;
this.units = units || "%";
this.div.style.height = this.height + this.units;
this.percent = 0;
}
_updateBar() {
if (this._indeterminate) {
this.div.classList.add("indeterminate");
this.div.style.width = this.width + this.units;
return;
}
this.div.classList.remove("indeterminate");
const progressSize = this.width * this._percent / 100;
this.div.style.width = progressSize + this.units;
}
get percent() {
return this._percent;
}
set percent(val) {
this._indeterminate = isNaN(val);
this._percent = clamp(val, 0, 100);
this._updateBar();
}
setWidth(viewer) {
if (!viewer) {
return;
}
const container = viewer.parentNode;
const scrollbarWidth = container.offsetWidth - viewer.offsetWidth;
if (scrollbarWidth > 0) {
const doc = document.documentElement;
doc.style.setProperty(LOADINGBAR_END_OFFSET_VAR, `${scrollbarWidth}px`);
}
}
hide() {
if (!this.visible) {
return;
}
this.visible = false;
this.bar.classList.add("hidden");
}
show() {
if (this.visible) {
return;
}
this.visible = true;
this.bar.classList.remove("hidden");
}
}
exports.ProgressBar = ProgressBar;
function moveToEndOfArray(arr, condition) {
const moved = [],
len = arr.length;
let write = 0;
for (let read = 0; read < len; ++read) {
if (condition(arr[read])) {
moved.push(arr[read]);
} else {
arr[write] = arr[read];
++write;
}
}
for (let read = 0; write < len; ++read, ++write) {
arr[write] = moved[read];
}
}
function getActiveOrFocusedElement() {
let curRoot = document;
let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
while (curActiveOrFocused?.shadowRoot) {
curRoot = curActiveOrFocused.shadowRoot;
curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus");
}
return curActiveOrFocused;
}
function apiPageLayoutToSpreadMode(layout) {
switch (layout) {
case "SinglePage":
case "OneColumn":
return SpreadMode.NONE;
case "TwoColumnLeft":
case "TwoPageLeft":
return SpreadMode.ODD;
case "TwoColumnRight":
case "TwoPageRight":
return SpreadMode.EVEN;
}
return SpreadMode.NONE;
}
function apiPageModeToSidebarView(mode) {
switch (mode) {
case "UseNone":
return SidebarView.NONE;
case "UseThumbs":
return SidebarView.THUMBS;
case "UseOutlines":
return SidebarView.OUTLINE;
case "UseAttachments":
return SidebarView.ATTACHMENTS;
case "UseOC":
return SidebarView.LAYERS;
}
return SidebarView.NONE;
}
/***/ }),
/* 5 */
/***/ ((module) => {
let pdfjsLib;
if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) {
pdfjsLib = window["pdfjs-dist/build/pdf"];
} else {
pdfjsLib = require("/pdfjs/build/pdf.js");
}
module.exports = pdfjsLib;
/***/ }),
/* 6 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFCursorTools = exports.CursorTool = void 0;
var _grab_to_pan = __webpack_require__(7);
var _ui_utils = __webpack_require__(4);
const CursorTool = {
SELECT: 0,
HAND: 1,
ZOOM: 2
};
exports.CursorTool = CursorTool;
class PDFCursorTools {
constructor({
container,
eventBus,
cursorToolOnLoad = CursorTool.SELECT
}) {
this.container = container;
this.eventBus = eventBus;
this.active = CursorTool.SELECT;
this.activeBeforePresentationMode = null;
this.handTool = new _grab_to_pan.GrabToPan({
element: this.container
});
this._addEventListeners();
Promise.resolve().then(() => {
this.switchTool(cursorToolOnLoad);
});
}
get activeTool() {
return this.active;
}
switchTool(tool) {
if (this.activeBeforePresentationMode !== null) {
return;
}
if (tool === this.active) {
return;
}
const disableActiveTool = () => {
switch (this.active) {
case CursorTool.SELECT:
break;
case CursorTool.HAND:
this.handTool.deactivate();
break;
case CursorTool.ZOOM:
}
};
switch (tool) {
case CursorTool.SELECT:
disableActiveTool();
break;
case CursorTool.HAND:
disableActiveTool();
this.handTool.activate();
break;
case CursorTool.ZOOM:
default:
console.error(`switchTool: "${tool}" is an unsupported value.`);
return;
}
this.active = tool;
this._dispatchEvent();
}
_dispatchEvent() {
this.eventBus.dispatch("cursortoolchanged", {
source: this,
tool: this.active
});
}
_addEventListeners() {
this.eventBus._on("switchcursortool", evt => {
this.switchTool(evt.tool);
});
this.eventBus._on("presentationmodechanged", evt => {
switch (evt.state) {
case _ui_utils.PresentationModeState.FULLSCREEN:
{
const previouslyActive = this.active;
this.switchTool(CursorTool.SELECT);
this.activeBeforePresentationMode = previouslyActive;
break;
}
case _ui_utils.PresentationModeState.NORMAL:
{
const previouslyActive = this.activeBeforePresentationMode;
this.activeBeforePresentationMode = null;
this.switchTool(previouslyActive);
break;
}
}
});
}
}
exports.PDFCursorTools = PDFCursorTools;
/***/ }),
/* 7 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.GrabToPan = GrabToPan;
function GrabToPan(options) {
this.element = options.element;
this.document = options.element.ownerDocument;
if (typeof options.ignoreTarget === "function") {
this.ignoreTarget = options.ignoreTarget;
}
this.onActiveChanged = options.onActiveChanged;
this.activate = this.activate.bind(this);
this.deactivate = this.deactivate.bind(this);
this.toggle = this.toggle.bind(this);
this._onmousedown = this._onmousedown.bind(this);
this._onmousemove = this._onmousemove.bind(this);
this._endPan = this._endPan.bind(this);
const overlay = this.overlay = document.createElement("div");
overlay.className = "grab-to-pan-grabbing";
}
GrabToPan.prototype = {
CSS_CLASS_GRAB: "grab-to-pan-grab",
activate: function GrabToPan_activate() {
if (!this.active) {
this.active = true;
this.element.addEventListener("mousedown", this._onmousedown, true);
this.element.classList.add(this.CSS_CLASS_GRAB);
if (this.onActiveChanged) {
this.onActiveChanged(true);
}
}
},
deactivate: function GrabToPan_deactivate() {
if (this.active) {
this.active = false;
this.element.removeEventListener("mousedown", this._onmousedown, true);
this._endPan();
this.element.classList.remove(this.CSS_CLASS_GRAB);
if (this.onActiveChanged) {
this.onActiveChanged(false);
}
}
},
toggle: function GrabToPan_toggle() {
if (this.active) {
this.deactivate();
} else {
this.activate();
}
},
ignoreTarget: function GrabToPan_ignoreTarget(node) {
return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option");
},
_onmousedown: function GrabToPan__onmousedown(event) {
if (event.button !== 0 || this.ignoreTarget(event.target)) {
return;
}
if (event.originalTarget) {
try {
event.originalTarget.tagName;
} catch (e) {
return;
}
}
this.scrollLeftStart = this.element.scrollLeft;
this.scrollTopStart = this.element.scrollTop;
this.clientXStart = event.clientX;
this.clientYStart = event.clientY;
this.document.addEventListener("mousemove", this._onmousemove, true);
this.document.addEventListener("mouseup", this._endPan, true);
this.element.addEventListener("scroll", this._endPan, true);
event.preventDefault();
event.stopPropagation();
const focusedElement = document.activeElement;
if (focusedElement && !focusedElement.contains(event.target)) {
focusedElement.blur();
}
},
_onmousemove: function GrabToPan__onmousemove(event) {
this.element.removeEventListener("scroll", this._endPan, true);
if (isLeftMouseReleased(event)) {
this._endPan();
return;
}
const xDiff = event.clientX - this.clientXStart;
const yDiff = event.clientY - this.clientYStart;
const scrollTop = this.scrollTopStart - yDiff;
const scrollLeft = this.scrollLeftStart - xDiff;
if (this.element.scrollTo) {
this.element.scrollTo({
top: scrollTop,
left: scrollLeft,
behavior: "instant"
});
} else {
this.element.scrollTop = scrollTop;
this.element.scrollLeft = scrollLeft;
}
if (!this.overlay.parentNode) {
document.body.appendChild(this.overlay);
}
},
_endPan: function GrabToPan__endPan() {
this.element.removeEventListener("scroll", this._endPan, true);
this.document.removeEventListener("mousemove", this._onmousemove, true);
this.document.removeEventListener("mouseup", this._endPan, true);
this.overlay.remove();
}
};
function isLeftMouseReleased(event) {
if ("buttons" in event) {
return !(event.buttons & 1);
}
const chrome = window.chrome;
const isChrome15OrOpera15plus = chrome && (chrome.webstore || chrome.app);
const isSafari6plus = /Apple/.test(navigator.vendor) && /Version\/([6-9]\d*|[1-5]\d+)/.test(navigator.userAgent);
if (isChrome15OrOpera15plus || isSafari6plus) {
return event.which === 0;
}
return false;
}
/***/ }),
/* 8 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.RenderingStates = exports.PDFRenderingQueue = void 0;
var _pdfjsLib = __webpack_require__(5);
const CLEANUP_TIMEOUT = 30000;
const RenderingStates = {
INITIAL: 0,
RUNNING: 1,
PAUSED: 2,
FINISHED: 3
};
exports.RenderingStates = RenderingStates;
class PDFRenderingQueue {
constructor() {
this.pdfViewer = null;
this.pdfThumbnailViewer = null;
this.onIdle = null;
this.highestPriorityPage = null;
this.idleTimeout = null;
this.printing = false;
this.isThumbnailViewEnabled = false;
}
setViewer(pdfViewer) {
this.pdfViewer = pdfViewer;
}
setThumbnailViewer(pdfThumbnailViewer) {
this.pdfThumbnailViewer = pdfThumbnailViewer;
}
isHighestPriority(view) {
return this.highestPriorityPage === view.renderingId;
}
renderHighestPriority(currentlyVisiblePages) {
if (this.idleTimeout) {
clearTimeout(this.idleTimeout);
this.idleTimeout = null;
}
if (this.pdfViewer.forceRendering(currentlyVisiblePages)) {
return;
}
if (this.pdfThumbnailViewer && this.isThumbnailViewEnabled) {
if (this.pdfThumbnailViewer.forceRendering()) {
return;
}
}
if (this.printing) {
return;
}
if (this.onIdle) {
this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT);
}
}
getHighestPriority(visible, views, scrolledDown) {
const visibleViews = visible.views;
const numVisible = visibleViews.length;
if (numVisible === 0) {
return null;
}
for (let i = 0; i < numVisible; ++i) {
const view = visibleViews[i].view;
if (!this.isViewFinished(view)) {
return view;
}
}
if (scrolledDown) {
const nextPageIndex = visible.last.id;
if (views[nextPageIndex] && !this.isViewFinished(views[nextPageIndex])) {
return views[nextPageIndex];
}
} else {
const previousPageIndex = visible.first.id - 2;
if (views[previousPageIndex] && !this.isViewFinished(views[previousPageIndex])) {
return views[previousPageIndex];
}
}
return null;
}
isViewFinished(view) {
return view.renderingState === RenderingStates.FINISHED;
}
renderView(view) {
switch (view.renderingState) {
case RenderingStates.FINISHED:
return false;
case RenderingStates.PAUSED:
this.highestPriorityPage = view.renderingId;
view.resume();
break;
case RenderingStates.RUNNING:
this.highestPriorityPage = view.renderingId;
break;
case RenderingStates.INITIAL:
this.highestPriorityPage = view.renderingId;
view.draw().finally(() => {
this.renderHighestPriority();
}).catch(reason => {
if (reason instanceof _pdfjsLib.RenderingCancelledException) {
return;
}
console.error(`renderView: "${reason}"`);
});
break;
}
return true;
}
}
exports.PDFRenderingQueue = PDFRenderingQueue;
/***/ }),
/* 9 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.OverlayManager = void 0;
class OverlayManager {
constructor() {
this._overlays = {};
this._active = null;
this._keyDownBound = this._keyDown.bind(this);
}
get active() {
return this._active;
}
async register(name, element, callerCloseMethod = null, canForceClose = false) {
let container;
if (!name || !element || !(container = element.parentNode)) {
throw new Error("Not enough parameters.");
} else if (this._overlays[name]) {
throw new Error("The overlay is already registered.");
}
this._overlays[name] = {
element,
container,
callerCloseMethod,
canForceClose
};
}
async unregister(name) {
if (!this._overlays[name]) {
throw new Error("The overlay does not exist.");
} else if (this._active === name) {
throw new Error("The overlay cannot be removed while it is active.");
}
delete this._overlays[name];
}
async open(name) {
if (!this._overlays[name]) {
throw new Error("The overlay does not exist.");
} else if (this._active) {
if (this._overlays[name].canForceClose) {
this._closeThroughCaller();
} else if (this._active === name) {
throw new Error("The overlay is already active.");
} else {
throw new Error("Another overlay is currently active.");
}
}
this._active = name;
this._overlays[this._active].element.classList.remove("hidden");
this._overlays[this._active].container.classList.remove("hidden");
window.addEventListener("keydown", this._keyDownBound);
}
async close(name) {
if (!this._overlays[name]) {
throw new Error("The overlay does not exist.");
} else if (!this._active) {
throw new Error("The overlay is currently not active.");
} else if (this._active !== name) {
throw new Error("Another overlay is currently active.");
}
this._overlays[this._active].container.classList.add("hidden");
this._overlays[this._active].element.classList.add("hidden");
this._active = null;
window.removeEventListener("keydown", this._keyDownBound);
}
_keyDown(evt) {
if (this._active && evt.keyCode === 27) {
this._closeThroughCaller();
evt.preventDefault();
}
}
_closeThroughCaller() {
if (this._overlays[this._active].callerCloseMethod) {
this._overlays[this._active].callerCloseMethod();
}
if (this._active) {
this.close(this._active);
}
}
}
exports.OverlayManager = OverlayManager;
/***/ }),
/* 10 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PasswordPrompt = void 0;
var _pdfjsLib = __webpack_require__(5);
class PasswordPrompt {
constructor(options, overlayManager, l10n, isViewerEmbedded = false) {
this.overlayName = options.overlayName;
this.container = options.container;
this.label = options.label;
this.input = options.input;
this.submitButton = options.submitButton;
this.cancelButton = options.cancelButton;
this.overlayManager = overlayManager;
this.l10n = l10n;
this._isViewerEmbedded = isViewerEmbedded;
this.updateCallback = null;
this.reason = null;
this.submitButton.addEventListener("click", this.verify.bind(this));
this.cancelButton.addEventListener("click", this.close.bind(this));
this.input.addEventListener("keydown", e => {
if (e.keyCode === 13) {
this.verify();
}
});
this.overlayManager.register(this.overlayName, this.container, this.close.bind(this), true);
}
async open() {
await this.overlayManager.open(this.overlayName);
const passwordIncorrect = this.reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD;
if (!this._isViewerEmbedded || passwordIncorrect) {
this.input.focus();
}
this.label.textContent = await this.l10n.get(`password_${passwordIncorrect ? "invalid" : "label"}`);
}
close() {
this.overlayManager.close(this.overlayName).then(() => {
this.input.value = "";
});
}
verify() {
const password = this.input.value;
if (password?.length > 0) {
this.close();
this.updateCallback(password);
}
}
setUpdateCallback(updateCallback, reason) {
this.updateCallback = updateCallback;
this.reason = reason;
}
}
exports.PasswordPrompt = PasswordPrompt;
/***/ }),
/* 11 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFAttachmentViewer = void 0;
var _pdfjsLib = __webpack_require__(5);
var _base_tree_viewer = __webpack_require__(12);
class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer {
constructor(options) {
super(options);
this.downloadManager = options.downloadManager;
this.eventBus._on("fileattachmentannotation", this._appendAttachment.bind(this));
}
reset(keepRenderedCapability = false) {
super.reset();
this._attachments = null;
if (!keepRenderedCapability) {
this._renderedCapability = (0, _pdfjsLib.createPromiseCapability)();
}
if (this._pendingDispatchEvent) {
clearTimeout(this._pendingDispatchEvent);
}
this._pendingDispatchEvent = null;
}
_dispatchEvent(attachmentsCount) {
this._renderedCapability.resolve();
if (this._pendingDispatchEvent) {
clearTimeout(this._pendingDispatchEvent);
this._pendingDispatchEvent = null;
}
if (attachmentsCount === 0) {
this._pendingDispatchEvent = setTimeout(() => {
this.eventBus.dispatch("attachmentsloaded", {
source: this,
attachmentsCount: 0
});
this._pendingDispatchEvent = null;
});
return;
}
this.eventBus.dispatch("attachmentsloaded", {
source: this,
attachmentsCount
});
}
_bindLink(element, {
content,
filename
}) {
element.onclick = () => {
this.downloadManager.openOrDownloadData(element, content, filename);
return false;
};
}
render({
attachments,
keepRenderedCapability = false
}) {
if (this._attachments) {
this.reset(keepRenderedCapability);
}
this._attachments = attachments || null;
if (!attachments) {
this._dispatchEvent(0);
return;
}
const names = Object.keys(attachments).sort(function (a, b) {
return a.toLowerCase().localeCompare(b.toLowerCase());
});
const fragment = document.createDocumentFragment();
let attachmentsCount = 0;
for (const name of names) {
const item = attachments[name];
const content = item.content,
filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename);
const div = document.createElement("div");
div.className = "treeItem";
const element = document.createElement("a");
this._bindLink(element, {
content,
filename
});
element.textContent = this._normalizeTextContent(filename);
div.appendChild(element);
fragment.appendChild(div);
attachmentsCount++;
}
this._finishRendering(fragment, attachmentsCount);
}
_appendAttachment({
id,
filename,
content
}) {
const renderedPromise = this._renderedCapability.promise;
renderedPromise.then(() => {
if (renderedPromise !== this._renderedCapability.promise) {
return;
}
let attachments = this._attachments;
if (!attachments) {
attachments = Object.create(null);
} else {
for (const name in attachments) {
if (id === name) {
return;
}
}
}
attachments[id] = {
filename,
content
};
this.render({
attachments,
keepRenderedCapability: true
});
});
}
}
exports.PDFAttachmentViewer = PDFAttachmentViewer;
/***/ }),
/* 12 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.BaseTreeViewer = void 0;
var _pdfjsLib = __webpack_require__(5);
const TREEITEM_OFFSET_TOP = -100;
const TREEITEM_SELECTED_CLASS = "selected";
class BaseTreeViewer {
constructor(options) {
if (this.constructor === BaseTreeViewer) {
throw new Error("Cannot initialize BaseTreeViewer.");
}
this.container = options.container;
this.eventBus = options.eventBus;
this.reset();
}
reset() {
this._pdfDocument = null;
this._lastToggleIsShow = true;
this._currentTreeItem = null;
this.container.textContent = "";
this.container.classList.remove("treeWithDeepNesting");
}
_dispatchEvent(count) {
throw new Error("Not implemented: _dispatchEvent");
}
_bindLink(element, params) {
throw new Error("Not implemented: _bindLink");
}
_normalizeTextContent(str) {
return (0, _pdfjsLib.removeNullCharacters)(str) || "\u2013";
}
_addToggleButton(div, hidden = false) {
const toggler = document.createElement("div");
toggler.className = "treeItemToggler";
if (hidden) {
toggler.classList.add("treeItemsHidden");
}
toggler.onclick = evt => {
evt.stopPropagation();
toggler.classList.toggle("treeItemsHidden");
if (evt.shiftKey) {
const shouldShowAll = !toggler.classList.contains("treeItemsHidden");
this._toggleTreeItem(div, shouldShowAll);
}
};
div.insertBefore(toggler, div.firstChild);
}
_toggleTreeItem(root, show = false) {
this._lastToggleIsShow = show;
for (const toggler of root.querySelectorAll(".treeItemToggler")) {
toggler.classList.toggle("treeItemsHidden", !show);
}
}
_toggleAllTreeItems() {
this._toggleTreeItem(this.container, !this._lastToggleIsShow);
}
_finishRendering(fragment, count, hasAnyNesting = false) {
if (hasAnyNesting) {
this.container.classList.add("treeWithDeepNesting");
this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden");
}
this.container.appendChild(fragment);
this._dispatchEvent(count);
}
render(params) {
throw new Error("Not implemented: render");
}
_updateCurrentTreeItem(treeItem = null) {
if (this._currentTreeItem) {
this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS);
this._currentTreeItem = null;
}
if (treeItem) {
treeItem.classList.add(TREEITEM_SELECTED_CLASS);
this._currentTreeItem = treeItem;
}
}
_scrollToCurrentTreeItem(treeItem) {
if (!treeItem) {
return;
}
let currentNode = treeItem.parentNode;
while (currentNode && currentNode !== this.container) {
if (currentNode.classList.contains("treeItem")) {
const toggler = currentNode.firstElementChild;
toggler?.classList.remove("treeItemsHidden");
}
currentNode = currentNode.parentNode;
}
this._updateCurrentTreeItem(treeItem);
this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP);
}
}
exports.BaseTreeViewer = BaseTreeViewer;
/***/ }),
/* 13 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFDocumentProperties = void 0;
var _pdfjsLib = __webpack_require__(5);
var _ui_utils = __webpack_require__(4);
const DEFAULT_FIELD_CONTENT = "-";
const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"];
const US_PAGE_NAMES = {
"8.5x11": "Letter",
"8.5x14": "Legal"
};
const METRIC_PAGE_NAMES = {
"297x420": "A3",
"210x297": "A4"
};
function getPageName(size, isPortrait, pageNames) {
const width = isPortrait ? size.width : size.height;
const height = isPortrait ? size.height : size.width;
return pageNames[`${width}x${height}`];
}
class PDFDocumentProperties {
constructor({
overlayName,
fields,
container,
closeButton
}, overlayManager, eventBus, l10n) {
this.overlayName = overlayName;
this.fields = fields;
this.container = container;
this.overlayManager = overlayManager;
this.l10n = l10n;
this._reset();
closeButton.addEventListener("click", this.close.bind(this));
this.overlayManager.register(this.overlayName, this.container, this.close.bind(this));
eventBus._on("pagechanging", evt => {
this._currentPageNumber = evt.pageNumber;
});
eventBus._on("rotationchanging", evt => {
this._pagesRotation = evt.pagesRotation;
});
this._isNonMetricLocale = true;
l10n.getLanguage().then(locale => {
this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale);
});
}
async open() {
const freezeFieldData = data => {
Object.defineProperty(this, "fieldData", {
value: Object.freeze(data),
writable: false,
enumerable: true,
configurable: true
});
};
await Promise.all([this.overlayManager.open(this.overlayName), this._dataAvailableCapability.promise]);
const currentPageNumber = this._currentPageNumber;
const pagesRotation = this._pagesRotation;
if (this.fieldData && currentPageNumber === this.fieldData._currentPageNumber && pagesRotation === this.fieldData._pagesRotation) {
this._updateUI();
return;
}
const {
info,
contentDispositionFilename,
contentLength
} = await this.pdfDocument.getMetadata();
const [fileName, fileSize, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(this.url), this._parseFileSize(contentLength), this._parseDate(info.CreationDate), this._parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then(pdfPage => {
return this._parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation);
}), this._parseLinearization(info.IsLinearized)]);
freezeFieldData({
fileName,
fileSize,
title: info.Title,
author: info.Author,
subject: info.Subject,
keywords: info.Keywords,
creationDate,
modificationDate,
creator: info.Creator,
producer: info.Producer,
version: info.PDFFormatVersion,
pageCount: this.pdfDocument.numPages,
pageSize,
linearized: isLinearized,
_currentPageNumber: currentPageNumber,
_pagesRotation: pagesRotation
});
this._updateUI();
const {
length
} = await this.pdfDocument.getDownloadInfo();
if (contentLength === length) {
return;
}
const data = Object.assign(Object.create(null), this.fieldData);
data.fileSize = await this._parseFileSize(length);
freezeFieldData(data);
this._updateUI();
}
close() {
this.overlayManager.close(this.overlayName);
}
setDocument(pdfDocument, url = null) {
if (this.pdfDocument) {
this._reset();
this._updateUI(true);
}
if (!pdfDocument) {
return;
}
this.pdfDocument = pdfDocument;
this.url = url;
this._dataAvailableCapability.resolve();
}
_reset() {
this.pdfDocument = null;
this.url = null;
delete this.fieldData;
this._dataAvailableCapability = (0, _pdfjsLib.createPromiseCapability)();
this._currentPageNumber = 1;
this._pagesRotation = 0;
}
_updateUI(reset = false) {
if (reset || !this.fieldData) {
for (const id in this.fields) {
this.fields[id].textContent = DEFAULT_FIELD_CONTENT;
}
return;
}
if (this.overlayManager.active !== this.overlayName) {
return;
}
for (const id in this.fields) {
const content = this.fieldData[id];
this.fields[id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT;
}
}
async _parseFileSize(fileSize = 0) {
const kb = fileSize / 1024,
mb = kb / 1024;
if (!kb) {
return undefined;
}
return this.l10n.get(`document_properties_${mb >= 1 ? "mb" : "kb"}`, {
size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(),
size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(),
size_b: fileSize.toLocaleString()
});
}
async _parsePageSize(pageSizeInches, pagesRotation) {
if (!pageSizeInches) {
return undefined;
}
if (pagesRotation % 180 !== 0) {
pageSizeInches = {
width: pageSizeInches.height,
height: pageSizeInches.width
};
}
const isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches);
let sizeInches = {
width: Math.round(pageSizeInches.width * 100) / 100,
height: Math.round(pageSizeInches.height * 100) / 100
};
let sizeMillimeters = {
width: Math.round(pageSizeInches.width * 25.4 * 10) / 10,
height: Math.round(pageSizeInches.height * 25.4 * 10) / 10
};
let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES);
if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) {
const exactMillimeters = {
width: pageSizeInches.width * 25.4,
height: pageSizeInches.height * 25.4
};
const intMillimeters = {
width: Math.round(sizeMillimeters.width),
height: Math.round(sizeMillimeters.height)
};
if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) {
rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES);
if (rawName) {
sizeInches = {
width: Math.round(intMillimeters.width / 25.4 * 100) / 100,
height: Math.round(intMillimeters.height / 25.4 * 100) / 100
};
sizeMillimeters = intMillimeters;
}
}
}
const [{
width,
height
}, unit, name, orientation] = await Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get(`document_properties_page_size_unit_${this._isNonMetricLocale ? "inches" : "millimeters"}`), rawName && this.l10n.get(`document_properties_page_size_name_${rawName.toLowerCase()}`), this.l10n.get(`document_properties_page_size_orientation_${isPortrait ? "portrait" : "landscape"}`)]);
return this.l10n.get(`document_properties_page_size_dimension_${name ? "name_" : ""}string`, {
width: width.toLocaleString(),
height: height.toLocaleString(),
unit,
name,
orientation
});
}
async _parseDate(inputDate) {
const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate);
if (!dateObject) {
return undefined;
}
return this.l10n.get("document_properties_date_string", {
date: dateObject.toLocaleDateString(),
time: dateObject.toLocaleTimeString()
});
}
_parseLinearization(isLinearized) {
return this.l10n.get(`document_properties_linearized_${isLinearized ? "yes" : "no"}`);
}
}
exports.PDFDocumentProperties = PDFDocumentProperties;
/***/ }),
/* 14 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFFindBar = void 0;
var _pdf_find_controller = __webpack_require__(15);
const MATCHES_COUNT_LIMIT = 1000;
class PDFFindBar {
constructor(options, eventBus, l10n) {
this.opened = false;
this.bar = options.bar;
this.toggleButton = options.toggleButton;
this.findField = options.findField;
this.highlightAll = options.highlightAllCheckbox;
this.caseSensitive = options.caseSensitiveCheckbox;
this.entireWord = options.entireWordCheckbox;
this.findMsg = options.findMsg;
this.findResultsCount = options.findResultsCount;
this.findPreviousButton = options.findPreviousButton;
this.findNextButton = options.findNextButton;
this.eventBus = eventBus;
this.l10n = l10n;
this.toggleButton.addEventListener("click", () => {
this.toggle();
});
this.findField.addEventListener("input", () => {
this.dispatchEvent("");
});
this.bar.addEventListener("keydown", e => {
switch (e.keyCode) {
case 13:
if (e.target === this.findField) {
this.dispatchEvent("again", e.shiftKey);
}
break;
case 27:
this.close();
break;
}
});
this.findPreviousButton.addEventListener("click", () => {
this.dispatchEvent("again", true);
});
this.findNextButton.addEventListener("click", () => {
this.dispatchEvent("again", false);
});
this.highlightAll.addEventListener("click", () => {
this.dispatchEvent("highlightallchange");
});
this.caseSensitive.addEventListener("click", () => {
this.dispatchEvent("casesensitivitychange");
});
this.entireWord.addEventListener("click", () => {
this.dispatchEvent("entirewordchange");
});
this.eventBus._on("resize", this._adjustWidth.bind(this));
}
reset() {
this.updateUIState();
}
dispatchEvent(type, findPrev) {
this.eventBus.dispatch("find", {
source: this,
type,
query: this.findField.value,
phraseSearch: true,
caseSensitive: this.caseSensitive.checked,
entireWord: this.entireWord.checked,
highlightAll: this.highlightAll.checked,
findPrevious: findPrev
});
}
updateUIState(state, previous, matchesCount) {
let findMsg = Promise.resolve("");
let status = "";
switch (state) {
case _pdf_find_controller.FindState.FOUND:
break;
case _pdf_find_controller.FindState.PENDING:
status = "pending";
break;
case _pdf_find_controller.FindState.NOT_FOUND:
findMsg = this.l10n.get("find_not_found");
status = "notFound";
break;
case _pdf_find_controller.FindState.WRAPPED:
findMsg = this.l10n.get(`find_reached_${previous ? "top" : "bottom"}`);
break;
}
this.findField.setAttribute("data-status", status);
findMsg.then(msg => {
this.findMsg.textContent = msg;
this._adjustWidth();
});
this.updateResultsCount(matchesCount);
}
updateResultsCount({
current = 0,
total = 0
} = {}) {
const limit = MATCHES_COUNT_LIMIT;
let matchCountMsg = Promise.resolve("");
if (total > 0) {
if (total > limit) {
let key = "find_match_count_limit";
matchCountMsg = this.l10n.get(key, {
limit
});
} else {
let key = "find_match_count";
matchCountMsg = this.l10n.get(key, {
current,
total
});
}
}
matchCountMsg.then(msg => {
this.findResultsCount.textContent = msg;
this.findResultsCount.classList.toggle("hidden", !total);
this._adjustWidth();
});
}
open() {
if (!this.opened) {
this.opened = true;
this.toggleButton.classList.add("toggled");
this.toggleButton.setAttribute("aria-expanded", "true");
this.bar.classList.remove("hidden");
}
this.findField.select();
this.findField.focus();
this._adjustWidth();
}
close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toggleButton.classList.remove("toggled");
this.toggleButton.setAttribute("aria-expanded", "false");
this.bar.classList.add("hidden");
this.eventBus.dispatch("findbarclose", {
source: this
});
}
toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
}
_adjustWidth() {
if (!this.opened) {
return;
}
this.bar.classList.remove("wrapContainers");
const findbarHeight = this.bar.clientHeight;
const inputContainerHeight = this.bar.firstElementChild.clientHeight;
if (findbarHeight > inputContainerHeight) {
this.bar.classList.add("wrapContainers");
}
}
}
exports.PDFFindBar = PDFFindBar;
/***/ }),
/* 15 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFFindController = exports.FindState = void 0;
var _pdfjsLib = __webpack_require__(5);
var _pdf_find_utils = __webpack_require__(16);
var _ui_utils = __webpack_require__(4);
const FindState = {
FOUND: 0,
NOT_FOUND: 1,
WRAPPED: 2,
PENDING: 3
};
exports.FindState = FindState;
const FIND_TIMEOUT = 250;
const MATCH_SCROLL_OFFSET_TOP = -50;
const MATCH_SCROLL_OFFSET_LEFT = -400;
const CHARACTERS_TO_NORMALIZE = {
"\u2018": "'",
"\u2019": "'",
"\u201A": "'",
"\u201B": "'",
"\u201C": '"',
"\u201D": '"',
"\u201E": '"',
"\u201F": '"',
"\u00BC": "1/4",
"\u00BD": "1/2",
"\u00BE": "3/4"
};
let normalizationRegex = null;
function normalize(text) {
if (!normalizationRegex) {
const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join("");
normalizationRegex = new RegExp(`[${replace}]`, "g");
}
let diffs = null;
const normalizedText = text.replace(normalizationRegex, function (ch, index) {
const normalizedCh = CHARACTERS_TO_NORMALIZE[ch],
diff = normalizedCh.length - ch.length;
if (diff !== 0) {
(diffs || (diffs = [])).push([index, diff]);
}
return normalizedCh;
});
return [normalizedText, diffs];
}
function getOriginalIndex(matchIndex, diffs = null) {
if (!diffs) {
return matchIndex;
}
let totalDiff = 0;
for (const [index, diff] of diffs) {
const currentIndex = index + totalDiff;
if (currentIndex >= matchIndex) {
break;
}
if (currentIndex + diff > matchIndex) {
totalDiff += matchIndex - currentIndex;
break;
}
totalDiff += diff;
}
return matchIndex - totalDiff;
}
class PDFFindController {
constructor({
linkService,
eventBus
}) {
this._linkService = linkService;
this._eventBus = eventBus;
this._reset();
eventBus._on("findbarclose", this._onFindBarClose.bind(this));
}
get highlightMatches() {
return this._highlightMatches;
}
get pageMatches() {
return this._pageMatches;
}
get pageMatchesLength() {
return this._pageMatchesLength;
}
get selected() {
return this._selected;
}
get state() {
return this._state;
}
setDocument(pdfDocument) {
if (this._pdfDocument) {
this._reset();
}
if (!pdfDocument) {
return;
}
this._pdfDocument = pdfDocument;
this._firstPageCapability.resolve();
}
executeCommand(cmd, state) {
if (!state) {
return;
}
const pdfDocument = this._pdfDocument;
if (this._state === null || this._shouldDirtyMatch(cmd, state)) {
this._dirtyMatch = true;
}
this._state = state;
if (cmd !== "findhighlightallchange") {
this._updateUIState(FindState.PENDING);
}
this._firstPageCapability.promise.then(() => {
if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
return;
}
this._extractText();
const findbarClosed = !this._highlightMatches;
const pendingTimeout = !!this._findTimeout;
if (this._findTimeout) {
clearTimeout(this._findTimeout);
this._findTimeout = null;
}
if (cmd === "find") {
this._findTimeout = setTimeout(() => {
this._nextMatch();
this._findTimeout = null;
}, FIND_TIMEOUT);
} else if (this._dirtyMatch) {
this._nextMatch();
} else if (cmd === "findagain") {
this._nextMatch();
if (findbarClosed && this._state.highlightAll) {
this._updateAllPages();
}
} else if (cmd === "findhighlightallchange") {
if (pendingTimeout) {
this._nextMatch();
} else {
this._highlightMatches = true;
}
this._updateAllPages();
} else {
this._nextMatch();
}
});
}
scrollMatchIntoView({
element = null,
pageIndex = -1,
matchIndex = -1
}) {
if (!this._scrollMatches || !element) {
return;
} else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) {
return;
} else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) {
return;
}
this._scrollMatches = false;
const spot = {
top: MATCH_SCROLL_OFFSET_TOP,
left: MATCH_SCROLL_OFFSET_LEFT
};
(0, _ui_utils.scrollIntoView)(element, spot, true);
}
_reset() {
this._highlightMatches = false;
this._scrollMatches = false;
this._pdfDocument = null;
this._pageMatches = [];
this._pageMatchesLength = [];
this._state = null;
this._selected = {
pageIdx: -1,
matchIdx: -1
};
this._offset = {
pageIdx: null,
matchIdx: null,
wrapped: false
};
this._extractTextPromises = [];
this._pageContents = [];
this._pageDiffs = [];
this._matchesCountTotal = 0;
this._pagesToSearch = null;
this._pendingFindMatches = new Set();
this._resumePageIdx = null;
this._dirtyMatch = false;
clearTimeout(this._findTimeout);
this._findTimeout = null;
this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
}
get _query() {
if (this._state.query !== this._rawQuery) {
this._rawQuery = this._state.query;
[this._normalizedQuery] = normalize(this._state.query);
}
return this._normalizedQuery;
}
_shouldDirtyMatch(cmd, state) {
if (state.query !== this._state.query) {
return true;
}
switch (cmd) {
case "findagain":
const pageNumber = this._selected.pageIdx + 1;
const linkService = this._linkService;
if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) {
return true;
}
return false;
case "findhighlightallchange":
return false;
}
return true;
}
_prepareMatches(matchesWithLength, matches, matchesLength) {
function isSubTerm(currentIndex) {
const currentElem = matchesWithLength[currentIndex];
const nextElem = matchesWithLength[currentIndex + 1];
if (currentIndex < matchesWithLength.length - 1 && currentElem.match === nextElem.match) {
currentElem.skipped = true;
return true;
}
for (let i = currentIndex - 1; i >= 0; i--) {
const prevElem = matchesWithLength[i];
if (prevElem.skipped) {
continue;
}
if (prevElem.match + prevElem.matchLength < currentElem.match) {
break;
}
if (prevElem.match + prevElem.matchLength >= currentElem.match + currentElem.matchLength) {
currentElem.skipped = true;
return true;
}
}
return false;
}
matchesWithLength.sort(function (a, b) {
return a.match === b.match ? a.matchLength - b.matchLength : a.match - b.match;
});
for (let i = 0, len = matchesWithLength.length; i < len; i++) {
if (isSubTerm(i)) {
continue;
}
matches.push(matchesWithLength[i].match);
matchesLength.push(matchesWithLength[i].matchLength);
}
}
_isEntireWord(content, startIdx, length) {
if (startIdx > 0) {
const first = content.charCodeAt(startIdx);
const limit = content.charCodeAt(startIdx - 1);
if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) {
return false;
}
}
const endIdx = startIdx + length - 1;
if (endIdx < content.length - 1) {
const last = content.charCodeAt(endIdx);
const limit = content.charCodeAt(endIdx + 1);
if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) {
return false;
}
}
return true;
}
_calculatePhraseMatch(query, pageIndex, pageContent, pageDiffs, entireWord) {
const matches = [],
matchesLength = [];
const queryLen = query.length;
let matchIdx = -queryLen;
while (true) {
matchIdx = pageContent.indexOf(query, matchIdx + queryLen);
if (matchIdx === -1) {
break;
}
if (entireWord && !this._isEntireWord(pageContent, matchIdx, queryLen)) {
continue;
}
const originalMatchIdx = getOriginalIndex(matchIdx, pageDiffs),
matchEnd = matchIdx + queryLen - 1,
originalQueryLen = getOriginalIndex(matchEnd, pageDiffs) - originalMatchIdx + 1;
matches.push(originalMatchIdx);
matchesLength.push(originalQueryLen);
}
this._pageMatches[pageIndex] = matches;
this._pageMatchesLength[pageIndex] = matchesLength;
}
_calculateWordMatch(query, pageIndex, pageContent, pageDiffs, entireWord) {
const matchesWithLength = [];
const queryArray = query.match(/\S+/g);
for (let i = 0, len = queryArray.length; i < len; i++) {
const subquery = queryArray[i];
const subqueryLen = subquery.length;
let matchIdx = -subqueryLen;
while (true) {
matchIdx = pageContent.indexOf(subquery, matchIdx + subqueryLen);
if (matchIdx === -1) {
break;
}
if (entireWord && !this._isEntireWord(pageContent, matchIdx, subqueryLen)) {
continue;
}
const originalMatchIdx = getOriginalIndex(matchIdx, pageDiffs),
matchEnd = matchIdx + subqueryLen - 1,
originalQueryLen = getOriginalIndex(matchEnd, pageDiffs) - originalMatchIdx + 1;
matchesWithLength.push({
match: originalMatchIdx,
matchLength: originalQueryLen,
skipped: false
});
}
}
this._pageMatchesLength[pageIndex] = [];
this._pageMatches[pageIndex] = [];
this._prepareMatches(matchesWithLength, this._pageMatches[pageIndex], this._pageMatchesLength[pageIndex]);
}
_calculateMatch(pageIndex) {
let pageContent = this._pageContents[pageIndex];
const pageDiffs = this._pageDiffs[pageIndex];
let query = this._query;
const {
caseSensitive,
entireWord,
phraseSearch
} = this._state;
if (query.length === 0) {
return;
}
if (!caseSensitive) {
pageContent = pageContent.toLowerCase();
query = query.toLowerCase();
}
if (phraseSearch) {
this._calculatePhraseMatch(query, pageIndex, pageContent, pageDiffs, entireWord);
} else {
this._calculateWordMatch(query, pageIndex, pageContent, pageDiffs, entireWord);
}
if (this._state.highlightAll) {
this._updatePage(pageIndex);
}
if (this._resumePageIdx === pageIndex) {
this._resumePageIdx = null;
this._nextPageMatch();
}
const pageMatchesCount = this._pageMatches[pageIndex].length;
if (pageMatchesCount > 0) {
this._matchesCountTotal += pageMatchesCount;
this._updateUIResultsCount();
}
}
_extractText() {
if (this._extractTextPromises.length > 0) {
return;
}
let promise = Promise.resolve();
for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) {
const extractTextCapability = (0, _pdfjsLib.createPromiseCapability)();
this._extractTextPromises[i] = extractTextCapability.promise;
promise = promise.then(() => {
return this._pdfDocument.getPage(i + 1).then(pdfPage => {
return pdfPage.getTextContent({
normalizeWhitespace: true
});
}).then(textContent => {
const textItems = textContent.items;
const strBuf = [];
for (let j = 0, jj = textItems.length; j < jj; j++) {
strBuf.push(textItems[j].str);
}
[this._pageContents[i], this._pageDiffs[i]] = normalize(strBuf.join(""));
extractTextCapability.resolve(i);
}, reason => {
console.error(`Unable to get text content for page ${i + 1}`, reason);
this._pageContents[i] = "";
this._pageDiffs[i] = null;
extractTextCapability.resolve(i);
});
});
}
}
_updatePage(index) {
if (this._scrollMatches && this._selected.pageIdx === index) {
this._linkService.page = index + 1;
}
this._eventBus.dispatch("updatetextlayermatches", {
source: this,
pageIndex: index
});
}
_updateAllPages() {
this._eventBus.dispatch("updatetextlayermatches", {
source: this,
pageIndex: -1
});
}
_nextMatch() {
const previous = this._state.findPrevious;
const currentPageIndex = this._linkService.page - 1;
const numPages = this._linkService.pagesCount;
this._highlightMatches = true;
if (this._dirtyMatch) {
this._dirtyMatch = false;
this._selected.pageIdx = this._selected.matchIdx = -1;
this._offset.pageIdx = currentPageIndex;
this._offset.matchIdx = null;
this._offset.wrapped = false;
this._resumePageIdx = null;
this._pageMatches.length = 0;
this._pageMatchesLength.length = 0;
this._matchesCountTotal = 0;
this._updateAllPages();
for (let i = 0; i < numPages; i++) {
if (this._pendingFindMatches.has(i)) {
continue;
}
this._pendingFindMatches.add(i);
this._extractTextPromises[i].then(pageIdx => {
this._pendingFindMatches.delete(pageIdx);
this._calculateMatch(pageIdx);
});
}
}
if (this._query === "") {
this._updateUIState(FindState.FOUND);
return;
}
if (this._resumePageIdx) {
return;
}
const offset = this._offset;
this._pagesToSearch = numPages;
if (offset.matchIdx !== null) {
const numPageMatches = this._pageMatches[offset.pageIdx].length;
if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) {
offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1;
this._updateMatch(true);
return;
}
this._advanceOffsetPage(previous);
}
this._nextPageMatch();
}
_matchesReady(matches) {
const offset = this._offset;
const numMatches = matches.length;
const previous = this._state.findPrevious;
if (numMatches) {
offset.matchIdx = previous ? numMatches - 1 : 0;
this._updateMatch(true);
return true;
}
this._advanceOffsetPage(previous);
if (offset.wrapped) {
offset.matchIdx = null;
if (this._pagesToSearch < 0) {
this._updateMatch(false);
return true;
}
}
return false;
}
_nextPageMatch() {
if (this._resumePageIdx !== null) {
console.error("There can only be one pending page.");
}
let matches = null;
do {
const pageIdx = this._offset.pageIdx;
matches = this._pageMatches[pageIdx];
if (!matches) {
this._resumePageIdx = pageIdx;
break;
}
} while (!this._matchesReady(matches));
}
_advanceOffsetPage(previous) {
const offset = this._offset;
const numPages = this._linkService.pagesCount;
offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1;
offset.matchIdx = null;
this._pagesToSearch--;
if (offset.pageIdx >= numPages || offset.pageIdx < 0) {
offset.pageIdx = previous ? numPages - 1 : 0;
offset.wrapped = true;
}
}
_updateMatch(found = false) {
let state = FindState.NOT_FOUND;
const wrapped = this._offset.wrapped;
this._offset.wrapped = false;
if (found) {
const previousPage = this._selected.pageIdx;
this._selected.pageIdx = this._offset.pageIdx;
this._selected.matchIdx = this._offset.matchIdx;
state = wrapped ? FindState.WRAPPED : FindState.FOUND;
if (previousPage !== -1 && previousPage !== this._selected.pageIdx) {
this._updatePage(previousPage);
}
}
this._updateUIState(state, this._state.findPrevious);
if (this._selected.pageIdx !== -1) {
this._scrollMatches = true;
this._updatePage(this._selected.pageIdx);
}
}
_onFindBarClose(evt) {
const pdfDocument = this._pdfDocument;
this._firstPageCapability.promise.then(() => {
if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) {
return;
}
if (this._findTimeout) {
clearTimeout(this._findTimeout);
this._findTimeout = null;
}
if (this._resumePageIdx) {
this._resumePageIdx = null;
this._dirtyMatch = true;
}
this._updateUIState(FindState.FOUND);
this._highlightMatches = false;
this._updateAllPages();
});
}
_requestMatchesCount() {
const {
pageIdx,
matchIdx
} = this._selected;
let current = 0,
total = this._matchesCountTotal;
if (matchIdx !== -1) {
for (let i = 0; i < pageIdx; i++) {
current += this._pageMatches[i]?.length || 0;
}
current += matchIdx + 1;
}
if (current < 1 || current > total) {
current = total = 0;
}
return {
current,
total
};
}
_updateUIResultsCount() {
this._eventBus.dispatch("updatefindmatchescount", {
source: this,
matchesCount: this._requestMatchesCount()
});
}
_updateUIState(state, previous) {
this._eventBus.dispatch("updatefindcontrolstate", {
source: this,
state,
previous,
matchesCount: this._requestMatchesCount(),
rawQuery: this._state?.query ?? null
});
}
}
exports.PDFFindController = PDFFindController;
/***/ }),
/* 16 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.getCharacterType = getCharacterType;
exports.CharacterType = void 0;
const CharacterType = {
SPACE: 0,
ALPHA_LETTER: 1,
PUNCT: 2,
HAN_LETTER: 3,
KATAKANA_LETTER: 4,
HIRAGANA_LETTER: 5,
HALFWIDTH_KATAKANA_LETTER: 6,
THAI_LETTER: 7
};
exports.CharacterType = CharacterType;
function isAlphabeticalScript(charCode) {
return charCode < 0x2e80;
}
function isAscii(charCode) {
return (charCode & 0xff80) === 0;
}
function isAsciiAlpha(charCode) {
return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a;
}
function isAsciiDigit(charCode) {
return charCode >= 0x30 && charCode <= 0x39;
}
function isAsciiSpace(charCode) {
return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a;
}
function isHan(charCode) {
return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff;
}
function isKatakana(charCode) {
return charCode >= 0x30a0 && charCode <= 0x30ff;
}
function isHiragana(charCode) {
return charCode >= 0x3040 && charCode <= 0x309f;
}
function isHalfwidthKatakana(charCode) {
return charCode >= 0xff60 && charCode <= 0xff9f;
}
function isThai(charCode) {
return (charCode & 0xff80) === 0x0e00;
}
function getCharacterType(charCode) {
if (isAlphabeticalScript(charCode)) {
if (isAscii(charCode)) {
if (isAsciiSpace(charCode)) {
return CharacterType.SPACE;
} else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) {
return CharacterType.ALPHA_LETTER;
}
return CharacterType.PUNCT;
} else if (isThai(charCode)) {
return CharacterType.THAI_LETTER;
} else if (charCode === 0xa0) {
return CharacterType.SPACE;
}
return CharacterType.ALPHA_LETTER;
}
if (isHan(charCode)) {
return CharacterType.HAN_LETTER;
} else if (isKatakana(charCode)) {
return CharacterType.KATAKANA_LETTER;
} else if (isHiragana(charCode)) {
return CharacterType.HIRAGANA_LETTER;
} else if (isHalfwidthKatakana(charCode)) {
return CharacterType.HALFWIDTH_KATAKANA_LETTER;
}
return CharacterType.ALPHA_LETTER;
}
/***/ }),
/* 17 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.isDestArraysEqual = isDestArraysEqual;
exports.isDestHashesEqual = isDestHashesEqual;
exports.PDFHistory = void 0;
var _ui_utils = __webpack_require__(4);
const HASH_CHANGE_TIMEOUT = 1000;
const POSITION_UPDATED_THRESHOLD = 50;
const UPDATE_VIEWAREA_TIMEOUT = 1000;
function getCurrentHash() {
return document.location.hash;
}
class PDFHistory {
constructor({
linkService,
eventBus
}) {
this.linkService = linkService;
this.eventBus = eventBus;
this._initialized = false;
this._fingerprint = "";
this.reset();
this._boundEvents = null;
this._isViewerInPresentationMode = false;
this.eventBus._on("presentationmodechanged", evt => {
this._isViewerInPresentationMode = evt.state !== _ui_utils.PresentationModeState.NORMAL;
});
this.eventBus._on("pagesinit", () => {
this._isPagesLoaded = false;
this.eventBus._on("pagesloaded", evt => {
this._isPagesLoaded = !!evt.pagesCount;
}, {
once: true
});
});
}
initialize({
fingerprint,
resetHistory = false,
updateUrl = false
}) {
if (!fingerprint || typeof fingerprint !== "string") {
console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.');
return;
}
if (this._initialized) {
this.reset();
}
const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint;
this._fingerprint = fingerprint;
this._updateUrl = updateUrl === true;
this._initialized = true;
this._bindEvents();
const state = window.history.state;
this._popStateInProgress = false;
this._blockHashChange = 0;
this._currentHash = getCurrentHash();
this._numPositionUpdates = 0;
this._uid = this._maxUid = 0;
this._destination = null;
this._position = null;
if (!this._isValidState(state, true) || resetHistory) {
const {
hash,
page,
rotation
} = this._parseCurrentHash(true);
if (!hash || reInitialized || resetHistory) {
this._pushOrReplaceState(null, true);
return;
}
this._pushOrReplaceState({
hash,
page,
rotation
}, true);
return;
}
const destination = state.destination;
this._updateInternalState(destination, state.uid, true);
if (destination.rotation !== undefined) {
this._initialRotation = destination.rotation;
}
if (destination.dest) {
this._initialBookmark = JSON.stringify(destination.dest);
this._destination.page = null;
} else if (destination.hash) {
this._initialBookmark = destination.hash;
} else if (destination.page) {
this._initialBookmark = `page=${destination.page}`;
}
}
reset() {
if (this._initialized) {
this._pageHide();
this._initialized = false;
this._unbindEvents();
}
if (this._updateViewareaTimeout) {
clearTimeout(this._updateViewareaTimeout);
this._updateViewareaTimeout = null;
}
this._initialBookmark = null;
this._initialRotation = null;
}
push({
namedDest = null,
explicitDest,
pageNumber
}) {
if (!this._initialized) {
return;
}
if (namedDest && typeof namedDest !== "string") {
console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`);
return;
} else if (!Array.isArray(explicitDest)) {
console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`);
return;
} else if (!this._isValidPage(pageNumber)) {
if (pageNumber !== null || this._destination) {
console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`);
return;
}
}
const hash = namedDest || JSON.stringify(explicitDest);
if (!hash) {
return;
}
let forceReplace = false;
if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) {
if (this._destination.page) {
return;
}
forceReplace = true;
}
if (this._popStateInProgress && !forceReplace) {
return;
}
this._pushOrReplaceState({
dest: explicitDest,
hash,
page: pageNumber,
rotation: this.linkService.rotation
}, forceReplace);
if (!this._popStateInProgress) {
this._popStateInProgress = true;
Promise.resolve().then(() => {
this._popStateInProgress = false;
});
}
}
pushPage(pageNumber) {
if (!this._initialized) {
return;
}
if (!this._isValidPage(pageNumber)) {
console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`);
return;
}
if (this._destination?.page === pageNumber) {
return;
}
if (this._popStateInProgress) {
return;
}
this._pushOrReplaceState({
dest: null,
hash: `page=${pageNumber}`,
page: pageNumber,
rotation: this.linkService.rotation
});
if (!this._popStateInProgress) {
this._popStateInProgress = true;
Promise.resolve().then(() => {
this._popStateInProgress = false;
});
}
}
pushCurrentPosition() {
if (!this._initialized || this._popStateInProgress) {
return;
}
this._tryPushCurrentPosition();
}
back() {
if (!this._initialized || this._popStateInProgress) {
return;
}
const state = window.history.state;
if (this._isValidState(state) && state.uid > 0) {
window.history.back();
}
}
forward() {
if (!this._initialized || this._popStateInProgress) {
return;
}
const state = window.history.state;
if (this._isValidState(state) && state.uid < this._maxUid) {
window.history.forward();
}
}
get popStateInProgress() {
return this._initialized && (this._popStateInProgress || this._blockHashChange > 0);
}
get initialBookmark() {
return this._initialized ? this._initialBookmark : null;
}
get initialRotation() {
return this._initialized ? this._initialRotation : null;
}
_pushOrReplaceState(destination, forceReplace = false) {
const shouldReplace = forceReplace || !this._destination;
const newState = {
fingerprint: this._fingerprint,
uid: shouldReplace ? this._uid : this._uid + 1,
destination
};
this._updateInternalState(destination, newState.uid);
let newUrl;
if (this._updateUrl && destination?.hash) {
const baseUrl = document.location.href.split("#")[0];
if (!baseUrl.startsWith("file://")) {
newUrl = `${baseUrl}#${destination.hash}`;
}
}
if (shouldReplace) {
window.history.replaceState(newState, "", newUrl);
} else {
window.history.pushState(newState, "", newUrl);
}
}
_tryPushCurrentPosition(temporary = false) {
if (!this._position) {
return;
}
let position = this._position;
if (temporary) {
position = Object.assign(Object.create(null), this._position);
position.temporary = true;
}
if (!this._destination) {
this._pushOrReplaceState(position);
return;
}
if (this._destination.temporary) {
this._pushOrReplaceState(position, true);
return;
}
if (this._destination.hash === position.hash) {
return;
}
if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) {
return;
}
let forceReplace = false;
if (this._destination.page >= position.first && this._destination.page <= position.page) {
if (this._destination.dest !== undefined || !this._destination.first) {
return;
}
forceReplace = true;
}
this._pushOrReplaceState(position, forceReplace);
}
_isValidPage(val) {
return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount;
}
_isValidState(state, checkReload = false) {
if (!state) {
return false;
}
if (state.fingerprint !== this._fingerprint) {
if (checkReload) {
if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) {
return false;
}
const [perfEntry] = performance.getEntriesByType("navigation");
if (perfEntry?.type !== "reload") {
return false;
}
} else {
return false;
}
}
if (!Number.isInteger(state.uid) || state.uid < 0) {
return false;
}
if (state.destination === null || typeof state.destination !== "object") {
return false;
}
return true;
}
_updateInternalState(destination, uid, removeTemporary = false) {
if (this._updateViewareaTimeout) {
clearTimeout(this._updateViewareaTimeout);
this._updateViewareaTimeout = null;
}
if (removeTemporary && destination?.temporary) {
delete destination.temporary;
}
this._destination = destination;
this._uid = uid;
this._maxUid = Math.max(this._maxUid, uid);
this._numPositionUpdates = 0;
}
_parseCurrentHash(checkNameddest = false) {
const hash = unescape(getCurrentHash()).substring(1);
const params = (0, _ui_utils.parseQueryString)(hash);
const nameddest = params.nameddest || "";
let page = params.page | 0;
if (!this._isValidPage(page) || checkNameddest && nameddest.length > 0) {
page = null;
}
return {
hash,
page,
rotation: this.linkService.rotation
};
}
_updateViewarea({
location
}) {
if (this._updateViewareaTimeout) {
clearTimeout(this._updateViewareaTimeout);
this._updateViewareaTimeout = null;
}
this._position = {
hash: this._isViewerInPresentationMode ? `page=${location.pageNumber}` : location.pdfOpenParams.substring(1),
page: this.linkService.page,
first: location.pageNumber,
rotation: location.rotation
};
if (this._popStateInProgress) {
return;
}
if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) {
this._numPositionUpdates++;
}
if (UPDATE_VIEWAREA_TIMEOUT > 0) {
this._updateViewareaTimeout = setTimeout(() => {
if (!this._popStateInProgress) {
this._tryPushCurrentPosition(true);
}
this._updateViewareaTimeout = null;
}, UPDATE_VIEWAREA_TIMEOUT);
}
}
_popState({
state
}) {
const newHash = getCurrentHash(),
hashChanged = this._currentHash !== newHash;
this._currentHash = newHash;
if (!state) {
this._uid++;
const {
hash,
page,
rotation
} = this._parseCurrentHash();
this._pushOrReplaceState({
hash,
page,
rotation
}, true);
return;
}
if (!this._isValidState(state)) {
return;
}
this._popStateInProgress = true;
if (hashChanged) {
this._blockHashChange++;
(0, _ui_utils.waitOnEventOrTimeout)({
target: window,
name: "hashchange",
delay: HASH_CHANGE_TIMEOUT
}).then(() => {
this._blockHashChange--;
});
}
const destination = state.destination;
this._updateInternalState(destination, state.uid, true);
if ((0, _ui_utils.isValidRotation)(destination.rotation)) {
this.linkService.rotation = destination.rotation;
}
if (destination.dest) {
this.linkService.goToDestination(destination.dest);
} else if (destination.hash) {
this.linkService.setHash(destination.hash);
} else if (destination.page) {
this.linkService.page = destination.page;
}
Promise.resolve().then(() => {
this._popStateInProgress = false;
});
}
_pageHide() {
if (!this._destination || this._destination.temporary) {
this._tryPushCurrentPosition();
}
}
_bindEvents() {
if (this._boundEvents) {
return;
}
this._boundEvents = {
updateViewarea: this._updateViewarea.bind(this),
popState: this._popState.bind(this),
pageHide: this._pageHide.bind(this)
};
this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea);
window.addEventListener("popstate", this._boundEvents.popState);
window.addEventListener("pagehide", this._boundEvents.pageHide);
}
_unbindEvents() {
if (!this._boundEvents) {
return;
}
this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea);
window.removeEventListener("popstate", this._boundEvents.popState);
window.removeEventListener("pagehide", this._boundEvents.pageHide);
this._boundEvents = null;
}
}
exports.PDFHistory = PDFHistory;
function isDestHashesEqual(destHash, pushHash) {
if (typeof destHash !== "string" || typeof pushHash !== "string") {
return false;
}
if (destHash === pushHash) {
return true;
}
const {
nameddest
} = (0, _ui_utils.parseQueryString)(destHash);
if (nameddest === pushHash) {
return true;
}
return false;
}
function isDestArraysEqual(firstDest, secondDest) {
function isEntryEqual(first, second) {
if (typeof first !== typeof second) {
return false;
}
if (Array.isArray(first) || Array.isArray(second)) {
return false;
}
if (first !== null && typeof first === "object" && second !== null) {
if (Object.keys(first).length !== Object.keys(second).length) {
return false;
}
for (const key in first) {
if (!isEntryEqual(first[key], second[key])) {
return false;
}
}
return true;
}
return first === second || Number.isNaN(first) && Number.isNaN(second);
}
if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) {
return false;
}
if (firstDest.length !== secondDest.length) {
return false;
}
for (let i = 0, ii = firstDest.length; i < ii; i++) {
if (!isEntryEqual(firstDest[i], secondDest[i])) {
return false;
}
}
return true;
}
/***/ }),
/* 18 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFLayerViewer = void 0;
var _base_tree_viewer = __webpack_require__(12);
class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer {
constructor(options) {
super(options);
this.l10n = options.l10n;
this.eventBus._on("resetlayers", this._resetLayers.bind(this));
this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this));
}
reset() {
super.reset();
this._optionalContentConfig = null;
}
_dispatchEvent(layersCount) {
this.eventBus.dispatch("layersloaded", {
source: this,
layersCount
});
}
_bindLink(element, {
groupId,
input
}) {
const setVisibility = () => {
this._optionalContentConfig.setVisibility(groupId, input.checked);
this.eventBus.dispatch("optionalcontentconfig", {
source: this,
promise: Promise.resolve(this._optionalContentConfig)
});
};
element.onclick = evt => {
if (evt.target === input) {
setVisibility();
return true;
} else if (evt.target !== element) {
return true;
}
input.checked = !input.checked;
setVisibility();
return false;
};
}
async _setNestedName(element, {
name = null
}) {
if (typeof name === "string") {
element.textContent = this._normalizeTextContent(name);
return;
}
element.textContent = await this.l10n.get("additional_layers");
element.style.fontStyle = "italic";
}
_addToggleButton(div, {
name = null
}) {
super._addToggleButton(div, name === null);
}
_toggleAllTreeItems() {
if (!this._optionalContentConfig) {
return;
}
super._toggleAllTreeItems();
}
render({
optionalContentConfig,
pdfDocument
}) {
if (this._optionalContentConfig) {
this.reset();
}
this._optionalContentConfig = optionalContentConfig || null;
this._pdfDocument = pdfDocument || null;
const groups = optionalContentConfig?.getOrder();
if (!groups) {
this._dispatchEvent(0);
return;
}
const fragment = document.createDocumentFragment(),
queue = [{
parent: fragment,
groups
}];
let layersCount = 0,
hasAnyNesting = false;
while (queue.length > 0) {
const levelData = queue.shift();
for (const groupId of levelData.groups) {
const div = document.createElement("div");
div.className = "treeItem";
const element = document.createElement("a");
div.appendChild(element);
if (typeof groupId === "object") {
hasAnyNesting = true;
this._addToggleButton(div, groupId);
this._setNestedName(element, groupId);
const itemsDiv = document.createElement("div");
itemsDiv.className = "treeItems";
div.appendChild(itemsDiv);
queue.push({
parent: itemsDiv,
groups: groupId.order
});
} else {
const group = optionalContentConfig.getGroup(groupId);
const input = document.createElement("input");
this._bindLink(element, {
groupId,
input
});
input.type = "checkbox";
input.id = groupId;
input.checked = group.visible;
const label = document.createElement("label");
label.setAttribute("for", groupId);
label.textContent = this._normalizeTextContent(group.name);
element.appendChild(input);
element.appendChild(label);
layersCount++;
}
levelData.parent.appendChild(div);
}
}
this._finishRendering(fragment, layersCount, hasAnyNesting);
}
async _resetLayers() {
if (!this._optionalContentConfig) {
return;
}
const optionalContentConfig = await this._pdfDocument.getOptionalContentConfig();
this.eventBus.dispatch("optionalcontentconfig", {
source: this,
promise: Promise.resolve(optionalContentConfig)
});
this.render({
optionalContentConfig,
pdfDocument: this._pdfDocument
});
}
}
exports.PDFLayerViewer = PDFLayerViewer;
/***/ }),
/* 19 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.SimpleLinkService = exports.PDFLinkService = void 0;
var _ui_utils = __webpack_require__(4);
class PDFLinkService {
constructor({
eventBus,
externalLinkTarget = null,
externalLinkRel = null,
externalLinkEnabled = true,
ignoreDestinationZoom = false
} = {}) {
this.eventBus = eventBus;
this.externalLinkTarget = externalLinkTarget;
this.externalLinkRel = externalLinkRel;
this.externalLinkEnabled = externalLinkEnabled;
this._ignoreDestinationZoom = ignoreDestinationZoom;
this.baseUrl = null;
this.pdfDocument = null;
this.pdfViewer = null;
this.pdfHistory = null;
this._pagesRefCache = null;
}
setDocument(pdfDocument, baseUrl = null) {
this.baseUrl = baseUrl;
this.pdfDocument = pdfDocument;
this._pagesRefCache = Object.create(null);
}
setViewer(pdfViewer) {
this.pdfViewer = pdfViewer;
}
setHistory(pdfHistory) {
this.pdfHistory = pdfHistory;
}
get pagesCount() {
return this.pdfDocument ? this.pdfDocument.numPages : 0;
}
get page() {
return this.pdfViewer.currentPageNumber;
}
set page(value) {
this.pdfViewer.currentPageNumber = value;
}
get rotation() {
return this.pdfViewer.pagesRotation;
}
set rotation(value) {
this.pdfViewer.pagesRotation = value;
}
_goToDestinationHelper(rawDest, namedDest = null, explicitDest) {
const destRef = explicitDest[0];
let pageNumber;
if (destRef instanceof Object) {
pageNumber = this._cachedPageNumber(destRef);
if (pageNumber === null) {
this.pdfDocument.getPageIndex(destRef).then(pageIndex => {
this.cachePageRef(pageIndex + 1, destRef);
this._goToDestinationHelper(rawDest, namedDest, explicitDest);
}).catch(() => {
console.error(`PDFLinkService._goToDestinationHelper: "${destRef}" is not ` + `a valid page reference, for dest="${rawDest}".`);
});
return;
}
} else if (Number.isInteger(destRef)) {
pageNumber = destRef + 1;
} else {
console.error(`PDFLinkService._goToDestinationHelper: "${destRef}" is not ` + `a valid destination reference, for dest="${rawDest}".`);
return;
}
if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) {
console.error(`PDFLinkService._goToDestinationHelper: "${pageNumber}" is not ` + `a valid page number, for dest="${rawDest}".`);
return;
}
if (this.pdfHistory) {
this.pdfHistory.pushCurrentPosition();
this.pdfHistory.push({
namedDest,
explicitDest,
pageNumber
});
}
this.pdfViewer.scrollPageIntoView({
pageNumber,
destArray: explicitDest,
ignoreDestinationZoom: this._ignoreDestinationZoom
});
}
async goToDestination(dest) {
if (!this.pdfDocument) {
return;
}
let namedDest, explicitDest;
if (typeof dest === "string") {
namedDest = dest;
explicitDest = await this.pdfDocument.getDestination(dest);
} else {
namedDest = null;
explicitDest = await dest;
}
if (!Array.isArray(explicitDest)) {
console.error(`PDFLinkService.goToDestination: "${explicitDest}" is not ` + `a valid destination array, for dest="${dest}".`);
return;
}
this._goToDestinationHelper(dest, namedDest, explicitDest);
}
goToPage(val) {
if (!this.pdfDocument) {
return;
}
const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0;
if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`);
return;
}
if (this.pdfHistory) {
this.pdfHistory.pushCurrentPosition();
this.pdfHistory.pushPage(pageNumber);
}
this.pdfViewer.scrollPageIntoView({
pageNumber
});
}
getDestinationHash(dest) {
if (typeof dest === "string") {
if (dest.length > 0) {
return this.getAnchorUrl("#" + escape(dest));
}
} else if (Array.isArray(dest)) {
const str = JSON.stringify(dest);
if (str.length > 0) {
return this.getAnchorUrl("#" + escape(str));
}
}
return this.getAnchorUrl("");
}
getAnchorUrl(anchor) {
return (this.baseUrl || "") + anchor;
}
setHash(hash) {
if (!this.pdfDocument) {
return;
}
let pageNumber, dest;
if (hash.includes("=")) {
const params = (0, _ui_utils.parseQueryString)(hash);
if ("search" in params) {
this.eventBus.dispatch("findfromurlhash", {
source: this,
query: params.search.replace(/"/g, ""),
phraseSearch: params.phrase === "true"
});
}
if ("page" in params) {
pageNumber = params.page | 0 || 1;
}
if ("zoom" in params) {
const zoomArgs = params.zoom.split(",");
const zoomArg = zoomArgs[0];
const zoomArgNumber = parseFloat(zoomArg);
if (!zoomArg.includes("Fit")) {
dest = [null, {
name: "XYZ"
}, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg];
} else {
if (zoomArg === "Fit" || zoomArg === "FitB") {
dest = [null, {
name: zoomArg
}];
} else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") {
dest = [null, {
name: zoomArg
}, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null];
} else if (zoomArg === "FitR") {
if (zoomArgs.length !== 5) {
console.error('PDFLinkService.setHash: Not enough parameters for "FitR".');
} else {
dest = [null, {
name: zoomArg
}, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0];
}
} else {
console.error(`PDFLinkService.setHash: "${zoomArg}" is not ` + "a valid zoom value.");
}
}
}
if (dest) {
this.pdfViewer.scrollPageIntoView({
pageNumber: pageNumber || this.page,
destArray: dest,
allowNegativeOffset: true
});
} else if (pageNumber) {
this.page = pageNumber;
}
if ("pagemode" in params) {
this.eventBus.dispatch("pagemode", {
source: this,
mode: params.pagemode
});
}
if ("nameddest" in params) {
this.goToDestination(params.nameddest);
}
} else {
dest = unescape(hash);
try {
dest = JSON.parse(dest);
if (!Array.isArray(dest)) {
dest = dest.toString();
}
} catch (ex) {}
if (typeof dest === "string" || isValidExplicitDestination(dest)) {
this.goToDestination(dest);
return;
}
console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not ` + "a valid destination.");
}
}
executeNamedAction(action) {
switch (action) {
case "GoBack":
if (this.pdfHistory) {
this.pdfHistory.back();
}
break;
case "GoForward":
if (this.pdfHistory) {
this.pdfHistory.forward();
}
break;
case "NextPage":
this.pdfViewer.nextPage();
break;
case "PrevPage":
this.pdfViewer.previousPage();
break;
case "LastPage":
this.page = this.pagesCount;
break;
case "FirstPage":
this.page = 1;
break;
default:
break;
}
this.eventBus.dispatch("namedaction", {
source: this,
action
});
}
cachePageRef(pageNum, pageRef) {
if (!pageRef) {
return;
}
const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
this._pagesRefCache[refStr] = pageNum;
}
_cachedPageNumber(pageRef) {
const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`;
return this._pagesRefCache?.[refStr] || null;
}
isPageVisible(pageNumber) {
return this.pdfViewer.isPageVisible(pageNumber);
}
isPageCached(pageNumber) {
return this.pdfViewer.isPageCached(pageNumber);
}
}
exports.PDFLinkService = PDFLinkService;
function isValidExplicitDestination(dest) {
if (!Array.isArray(dest)) {
return false;
}
const destLength = dest.length;
if (destLength < 2) {
return false;
}
const page = dest[0];
if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) {
return false;
}
const zoom = dest[1];
if (!(typeof zoom === "object" && typeof zoom.name === "string")) {
return false;
}
let allowNull = true;
switch (zoom.name) {
case "XYZ":
if (destLength !== 5) {
return false;
}
break;
case "Fit":
case "FitB":
return destLength === 2;
case "FitH":
case "FitBH":
case "FitV":
case "FitBV":
if (destLength !== 3) {
return false;
}
break;
case "FitR":
if (destLength !== 6) {
return false;
}
allowNull = false;
break;
default:
return false;
}
for (let i = 2; i < destLength; i++) {
const param = dest[i];
if (!(typeof param === "number" || allowNull && param === null)) {
return false;
}
}
return true;
}
class SimpleLinkService {
constructor() {
this.externalLinkTarget = null;
this.externalLinkRel = null;
this.externalLinkEnabled = true;
this._ignoreDestinationZoom = false;
}
get pagesCount() {
return 0;
}
get page() {
return 0;
}
set page(value) {}
get rotation() {
return 0;
}
set rotation(value) {}
async goToDestination(dest) {}
goToPage(val) {}
getDestinationHash(dest) {
return "#";
}
getAnchorUrl(hash) {
return "#";
}
setHash(hash) {}
executeNamedAction(action) {}
cachePageRef(pageNum, pageRef) {}
isPageVisible(pageNumber) {
return true;
}
isPageCached(pageNumber) {
return true;
}
}
exports.SimpleLinkService = SimpleLinkService;
/***/ }),
/* 20 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFOutlineViewer = void 0;
var _pdfjsLib = __webpack_require__(5);
var _base_tree_viewer = __webpack_require__(12);
var _ui_utils = __webpack_require__(4);
class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer {
constructor(options) {
super(options);
this.linkService = options.linkService;
this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this));
this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this));
this.eventBus._on("pagechanging", evt => {
this._currentPageNumber = evt.pageNumber;
});
this.eventBus._on("pagesloaded", evt => {
this._isPagesLoaded = !!evt.pagesCount;
if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) {
this._currentOutlineItemCapability.resolve(this._isPagesLoaded);
}
});
this.eventBus._on("sidebarviewchanged", evt => {
this._sidebarView = evt.view;
});
}
reset() {
super.reset();
this._outline = null;
this._pageNumberToDestHashCapability = null;
this._currentPageNumber = 1;
this._isPagesLoaded = false;
if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) {
this._currentOutlineItemCapability.resolve(false);
}
this._currentOutlineItemCapability = null;
}
_dispatchEvent(outlineCount) {
this._currentOutlineItemCapability = (0, _pdfjsLib.createPromiseCapability)();
if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) {
this._currentOutlineItemCapability.resolve(false);
} else if (this._isPagesLoaded) {
this._currentOutlineItemCapability.resolve(true);
}
this.eventBus.dispatch("outlineloaded", {
source: this,
outlineCount,
currentOutlineItemPromise: this._currentOutlineItemCapability.promise
});
}
_bindLink(element, {
url,
newWindow,
dest
}) {
const {
linkService
} = this;
if (url) {
(0, _pdfjsLib.addLinkAttributes)(element, {
url,
target: newWindow ? _pdfjsLib.LinkTarget.BLANK : linkService.externalLinkTarget,
rel: linkService.externalLinkRel,
enabled: linkService.externalLinkEnabled
});
return;
}
element.href = linkService.getDestinationHash(dest);
element.onclick = evt => {
this._updateCurrentTreeItem(evt.target.parentNode);
if (dest) {
linkService.goToDestination(dest);
}
return false;
};
}
_setStyles(element, {
bold,
italic
}) {
if (bold) {
element.style.fontWeight = "bold";
}
if (italic) {
element.style.fontStyle = "italic";
}
}
_addToggleButton(div, {
count,
items
}) {
let hidden = false;
if (count < 0) {
let totalCount = items.length;
if (totalCount > 0) {
const queue = [...items];
while (queue.length > 0) {
const {
count: nestedCount,
items: nestedItems
} = queue.shift();
if (nestedCount > 0 && nestedItems.length > 0) {
totalCount += nestedItems.length;
queue.push(...nestedItems);
}
}
}
if (Math.abs(count) === totalCount) {
hidden = true;
}
}
super._addToggleButton(div, hidden);
}
_toggleAllTreeItems() {
if (!this._outline) {
return;
}
super._toggleAllTreeItems();
}
render({
outline,
pdfDocument
}) {
if (this._outline) {
this.reset();
}
this._outline = outline || null;
this._pdfDocument = pdfDocument || null;
if (!outline) {
this._dispatchEvent(0);
return;
}
const fragment = document.createDocumentFragment();
const queue = [{
parent: fragment,
items: outline
}];
let outlineCount = 0,
hasAnyNesting = false;
while (queue.length > 0) {
const levelData = queue.shift();
for (const item of levelData.items) {
const div = document.createElement("div");
div.className = "treeItem";
const element = document.createElement("a");
this._bindLink(element, item);
this._setStyles(element, item);
element.textContent = this._normalizeTextContent(item.title);
div.appendChild(element);
if (item.items.length > 0) {
hasAnyNesting = true;
this._addToggleButton(div, item);
const itemsDiv = document.createElement("div");
itemsDiv.className = "treeItems";
div.appendChild(itemsDiv);
queue.push({
parent: itemsDiv,
items: item.items
});
}
levelData.parent.appendChild(div);
outlineCount++;
}
}
this._finishRendering(fragment, outlineCount, hasAnyNesting);
}
async _currentOutlineItem() {
if (!this._isPagesLoaded) {
throw new Error("_currentOutlineItem: All pages have not been loaded.");
}
if (!this._outline || !this._pdfDocument) {
return;
}
const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument);
if (!pageNumberToDestHash) {
return;
}
this._updateCurrentTreeItem(null);
if (this._sidebarView !== _ui_utils.SidebarView.OUTLINE) {
return;
}
for (let i = this._currentPageNumber; i > 0; i--) {
const destHash = pageNumberToDestHash.get(i);
if (!destHash) {
continue;
}
const linkElement = this.container.querySelector(`a[href="${destHash}"]`);
if (!linkElement) {
continue;
}
this._scrollToCurrentTreeItem(linkElement.parentNode);
break;
}
}
async _getPageNumberToDestHash(pdfDocument) {
if (this._pageNumberToDestHashCapability) {
return this._pageNumberToDestHashCapability.promise;
}
this._pageNumberToDestHashCapability = (0, _pdfjsLib.createPromiseCapability)();
const pageNumberToDestHash = new Map(),
pageNumberNesting = new Map();
const queue = [{
nesting: 0,
items: this._outline
}];
while (queue.length > 0) {
const levelData = queue.shift(),
currentNesting = levelData.nesting;
for (const {
dest,
items
} of levelData.items) {
let explicitDest, pageNumber;
if (typeof dest === "string") {
explicitDest = await pdfDocument.getDestination(dest);
if (pdfDocument !== this._pdfDocument) {
return null;
}
} else {
explicitDest = dest;
}
if (Array.isArray(explicitDest)) {
const [destRef] = explicitDest;
if (destRef instanceof Object) {
pageNumber = this.linkService._cachedPageNumber(destRef);
if (!pageNumber) {
try {
pageNumber = (await pdfDocument.getPageIndex(destRef)) + 1;
if (pdfDocument !== this._pdfDocument) {
return null;
}
this.linkService.cachePageRef(pageNumber, destRef);
} catch (ex) {}
}
} else if (Number.isInteger(destRef)) {
pageNumber = destRef + 1;
}
if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) {
const destHash = this.linkService.getDestinationHash(dest);
pageNumberToDestHash.set(pageNumber, destHash);
pageNumberNesting.set(pageNumber, currentNesting);
}
}
if (items.length > 0) {
queue.push({
nesting: currentNesting + 1,
items
});
}
}
}
this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null);
return this._pageNumberToDestHashCapability.promise;
}
}
exports.PDFOutlineViewer = PDFOutlineViewer;
/***/ }),
/* 21 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFPresentationMode = void 0;
var _ui_utils = __webpack_require__(4);
const DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS = 1500;
const DELAY_BEFORE_HIDING_CONTROLS = 3000;
const ACTIVE_SELECTOR = "pdfPresentationMode";
const CONTROLS_SELECTOR = "pdfPresentationModeControls";
const MOUSE_SCROLL_COOLDOWN_TIME = 50;
const PAGE_SWITCH_THRESHOLD = 0.1;
const SWIPE_MIN_DISTANCE_THRESHOLD = 50;
const SWIPE_ANGLE_THRESHOLD = Math.PI / 6;
class PDFPresentationMode {
constructor({
container,
pdfViewer,
eventBus
}) {
this.container = container;
this.pdfViewer = pdfViewer;
this.eventBus = eventBus;
this.active = false;
this.args = null;
this.contextMenuOpen = false;
this.mouseScrollTimeStamp = 0;
this.mouseScrollDelta = 0;
this.touchSwipeState = null;
}
request() {
if (this.switchInProgress || this.active || !this.pdfViewer.pagesCount) {
return false;
}
this._addFullscreenChangeListeners();
this._setSwitchInProgress();
this._notifyStateChange();
if (this.container.requestFullscreen) {
this.container.requestFullscreen();
} else if (this.container.mozRequestFullScreen) {
this.container.mozRequestFullScreen();
} else if (this.container.webkitRequestFullscreen) {
this.container.webkitRequestFullscreen(Element.ALLOW_KEYBOARD_INPUT);
} else {
return false;
}
this.args = {
page: this.pdfViewer.currentPageNumber,
previousScale: this.pdfViewer.currentScaleValue
};
return true;
}
_mouseWheel(evt) {
if (!this.active) {
return;
}
evt.preventDefault();
const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt);
const currentTime = Date.now();
const storedTime = this.mouseScrollTimeStamp;
if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) {
return;
}
if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) {
this._resetMouseScrollState();
}
this.mouseScrollDelta += delta;
if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) {
const totalDelta = this.mouseScrollDelta;
this._resetMouseScrollState();
const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage();
if (success) {
this.mouseScrollTimeStamp = currentTime;
}
}
}
get isFullscreen() {
return !!(document.fullscreenElement || document.mozFullScreen || document.webkitIsFullScreen);
}
_notifyStateChange() {
let state = _ui_utils.PresentationModeState.NORMAL;
if (this.switchInProgress) {
state = _ui_utils.PresentationModeState.CHANGING;
} else if (this.active) {
state = _ui_utils.PresentationModeState.FULLSCREEN;
}
this.eventBus.dispatch("presentationmodechanged", {
source: this,
state
});
}
_setSwitchInProgress() {
if (this.switchInProgress) {
clearTimeout(this.switchInProgress);
}
this.switchInProgress = setTimeout(() => {
this._removeFullscreenChangeListeners();
delete this.switchInProgress;
this._notifyStateChange();
}, DELAY_BEFORE_RESETTING_SWITCH_IN_PROGRESS);
}
_resetSwitchInProgress() {
if (this.switchInProgress) {
clearTimeout(this.switchInProgress);
delete this.switchInProgress;
}
}
_enter() {
this.active = true;
this._resetSwitchInProgress();
this._notifyStateChange();
this.container.classList.add(ACTIVE_SELECTOR);
setTimeout(() => {
this.pdfViewer.currentPageNumber = this.args.page;
this.pdfViewer.currentScaleValue = "page-fit";
}, 0);
this._addWindowListeners();
this._showControls();
this.contextMenuOpen = false;
window.getSelection().removeAllRanges();
}
_exit() {
const page = this.pdfViewer.currentPageNumber;
this.container.classList.remove(ACTIVE_SELECTOR);
setTimeout(() => {
this.active = false;
this._removeFullscreenChangeListeners();
this._notifyStateChange();
this.pdfViewer.currentScaleValue = this.args.previousScale;
this.pdfViewer.currentPageNumber = page;
this.args = null;
}, 0);
this._removeWindowListeners();
this._hideControls();
this._resetMouseScrollState();
this.contextMenuOpen = false;
}
_mouseDown(evt) {
if (this.contextMenuOpen) {
this.contextMenuOpen = false;
evt.preventDefault();
return;
}
if (evt.button === 0) {
const isInternalLink = evt.target.href && evt.target.classList.contains("internalLink");
if (!isInternalLink) {
evt.preventDefault();
if (evt.shiftKey) {
this.pdfViewer.previousPage();
} else {
this.pdfViewer.nextPage();
}
}
}
}
_contextMenu() {
this.contextMenuOpen = true;
}
_showControls() {
if (this.controlsTimeout) {
clearTimeout(this.controlsTimeout);
} else {
this.container.classList.add(CONTROLS_SELECTOR);
}
this.controlsTimeout = setTimeout(() => {
this.container.classList.remove(CONTROLS_SELECTOR);
delete this.controlsTimeout;
}, DELAY_BEFORE_HIDING_CONTROLS);
}
_hideControls() {
if (!this.controlsTimeout) {
return;
}
clearTimeout(this.controlsTimeout);
this.container.classList.remove(CONTROLS_SELECTOR);
delete this.controlsTimeout;
}
_resetMouseScrollState() {
this.mouseScrollTimeStamp = 0;
this.mouseScrollDelta = 0;
}
_touchSwipe(evt) {
if (!this.active) {
return;
}
if (evt.touches.length > 1) {
this.touchSwipeState = null;
return;
}
switch (evt.type) {
case "touchstart":
this.touchSwipeState = {
startX: evt.touches[0].pageX,
startY: evt.touches[0].pageY,
endX: evt.touches[0].pageX,
endY: evt.touches[0].pageY
};
break;
case "touchmove":
if (this.touchSwipeState === null) {
return;
}
this.touchSwipeState.endX = evt.touches[0].pageX;
this.touchSwipeState.endY = evt.touches[0].pageY;
evt.preventDefault();
break;
case "touchend":
if (this.touchSwipeState === null) {
return;
}
let delta = 0;
const dx = this.touchSwipeState.endX - this.touchSwipeState.startX;
const dy = this.touchSwipeState.endY - this.touchSwipeState.startY;
const absAngle = Math.abs(Math.atan2(dy, dx));
if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) {
delta = dx;
} else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) {
delta = dy;
}
if (delta > 0) {
this.pdfViewer.previousPage();
} else if (delta < 0) {
this.pdfViewer.nextPage();
}
break;
}
}
_addWindowListeners() {
this.showControlsBind = this._showControls.bind(this);
this.mouseDownBind = this._mouseDown.bind(this);
this.mouseWheelBind = this._mouseWheel.bind(this);
this.resetMouseScrollStateBind = this._resetMouseScrollState.bind(this);
this.contextMenuBind = this._contextMenu.bind(this);
this.touchSwipeBind = this._touchSwipe.bind(this);
window.addEventListener("mousemove", this.showControlsBind);
window.addEventListener("mousedown", this.mouseDownBind);
window.addEventListener("wheel", this.mouseWheelBind, {
passive: false
});
window.addEventListener("keydown", this.resetMouseScrollStateBind);
window.addEventListener("contextmenu", this.contextMenuBind);
window.addEventListener("touchstart", this.touchSwipeBind);
window.addEventListener("touchmove", this.touchSwipeBind);
window.addEventListener("touchend", this.touchSwipeBind);
}
_removeWindowListeners() {
window.removeEventListener("mousemove", this.showControlsBind);
window.removeEventListener("mousedown", this.mouseDownBind);
window.removeEventListener("wheel", this.mouseWheelBind, {
passive: false
});
window.removeEventListener("keydown", this.resetMouseScrollStateBind);
window.removeEventListener("contextmenu", this.contextMenuBind);
window.removeEventListener("touchstart", this.touchSwipeBind);
window.removeEventListener("touchmove", this.touchSwipeBind);
window.removeEventListener("touchend", this.touchSwipeBind);
delete this.showControlsBind;
delete this.mouseDownBind;
delete this.mouseWheelBind;
delete this.resetMouseScrollStateBind;
delete this.contextMenuBind;
delete this.touchSwipeBind;
}
_fullscreenChange() {
if (this.isFullscreen) {
this._enter();
} else {
this._exit();
}
}
_addFullscreenChangeListeners() {
this.fullscreenChangeBind = this._fullscreenChange.bind(this);
window.addEventListener("fullscreenchange", this.fullscreenChangeBind);
window.addEventListener("mozfullscreenchange", this.fullscreenChangeBind);
window.addEventListener("webkitfullscreenchange", this.fullscreenChangeBind);
}
_removeFullscreenChangeListeners() {
window.removeEventListener("fullscreenchange", this.fullscreenChangeBind);
window.removeEventListener("mozfullscreenchange", this.fullscreenChangeBind);
window.removeEventListener("webkitfullscreenchange", this.fullscreenChangeBind);
delete this.fullscreenChangeBind;
}
}
exports.PDFPresentationMode = PDFPresentationMode;
/***/ }),
/* 22 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFScriptingManager = void 0;
var _pdfjsLib = __webpack_require__(5);
var _ui_utils = __webpack_require__(4);
var _pdf_rendering_queue = __webpack_require__(8);
class PDFScriptingManager {
constructor({
eventBus,
sandboxBundleSrc = null,
scriptingFactory = null,
docPropertiesLookup = null
}) {
this._pdfDocument = null;
this._pdfViewer = null;
this._closeCapability = null;
this._destroyCapability = null;
this._scripting = null;
this._mouseState = Object.create(null);
this._pageEventsReady = false;
this._ready = false;
this._eventBus = eventBus;
this._sandboxBundleSrc = sandboxBundleSrc;
this._scriptingFactory = scriptingFactory;
this._docPropertiesLookup = docPropertiesLookup;
}
setViewer(pdfViewer) {
this._pdfViewer = pdfViewer;
}
async setDocument(pdfDocument) {
if (this._pdfDocument) {
await this._destroyScripting();
}
this._pdfDocument = pdfDocument;
if (!pdfDocument) {
return;
}
const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]);
if (!objects && !docActions) {
await this._destroyScripting();
return;
}
if (pdfDocument !== this._pdfDocument) {
return;
}
this._scripting = this._createScripting();
this._internalEvents.set("updatefromsandbox", event => {
if (event?.source !== window) {
return;
}
this._updateFromSandbox(event.detail);
});
this._internalEvents.set("dispatcheventinsandbox", event => {
this._scripting?.dispatchEventInSandbox(event.detail);
});
this._internalEvents.set("pagechanging", ({
pageNumber,
previous
}) => {
if (pageNumber === previous) {
return;
}
this._dispatchPageClose(previous);
this._dispatchPageOpen(pageNumber);
});
this._internalEvents.set("pagerendered", ({
pageNumber
}) => {
if (!this._pageOpenPending.has(pageNumber)) {
return;
}
if (pageNumber !== this._pdfViewer.currentPageNumber) {
return;
}
this._dispatchPageOpen(pageNumber);
});
this._internalEvents.set("pagesdestroy", async event => {
await this._dispatchPageClose(this._pdfViewer.currentPageNumber);
await this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "WillClose"
});
this._closeCapability?.resolve();
});
this._domEvents.set("mousedown", event => {
this._mouseState.isDown = true;
});
this._domEvents.set("mouseup", event => {
this._mouseState.isDown = false;
});
for (const [name, listener] of this._internalEvents) {
this._eventBus._on(name, listener);
}
for (const [name, listener] of this._domEvents) {
window.addEventListener(name, listener);
}
try {
const docProperties = await this._getDocProperties();
if (pdfDocument !== this._pdfDocument) {
return;
}
await this._scripting.createSandbox({
objects,
calculationOrder,
appInfo: {
platform: navigator.platform,
language: navigator.language
},
docInfo: { ...docProperties,
actions: docActions
}
});
this._eventBus.dispatch("sandboxcreated", {
source: this
});
} catch (error) {
console.error(`PDFScriptingManager.setDocument: "${error?.message}".`);
await this._destroyScripting();
return;
}
await this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "Open"
});
await this._dispatchPageOpen(this._pdfViewer.currentPageNumber, true);
Promise.resolve().then(() => {
if (pdfDocument === this._pdfDocument) {
this._ready = true;
}
});
}
async dispatchWillSave(detail) {
return this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "WillSave"
});
}
async dispatchDidSave(detail) {
return this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "DidSave"
});
}
async dispatchWillPrint(detail) {
return this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "WillPrint"
});
}
async dispatchDidPrint(detail) {
return this._scripting?.dispatchEventInSandbox({
id: "doc",
name: "DidPrint"
});
}
get mouseState() {
return this._mouseState;
}
get destroyPromise() {
return this._destroyCapability?.promise || null;
}
get ready() {
return this._ready;
}
get _internalEvents() {
return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map());
}
get _domEvents() {
return (0, _pdfjsLib.shadow)(this, "_domEvents", new Map());
}
get _pageOpenPending() {
return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set());
}
get _visitedPages() {
return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map());
}
async _updateFromSandbox(detail) {
const isInPresentationMode = this._pdfViewer.isInPresentationMode || this._pdfViewer.isChangingPresentationMode;
const {
id,
siblings,
command,
value
} = detail;
if (!id) {
switch (command) {
case "clear":
console.clear();
break;
case "error":
console.error(value);
break;
case "layout":
this._pdfViewer.spreadMode = (0, _ui_utils.apiPageLayoutToSpreadMode)(value);
break;
case "page-num":
this._pdfViewer.currentPageNumber = value + 1;
break;
case "print":
await this._pdfViewer.pagesPromise;
this._eventBus.dispatch("print", {
source: this
});
break;
case "println":
console.log(value);
break;
case "zoom":
if (isInPresentationMode) {
return;
}
this._pdfViewer.currentScaleValue = value;
break;
}
return;
}
if (isInPresentationMode) {
if (detail.focus) {
return;
}
}
delete detail.id;
delete detail.siblings;
const ids = siblings ? [id, ...siblings] : [id];
for (const elementId of ids) {
const element = document.getElementById(elementId);
if (element) {
element.dispatchEvent(new CustomEvent("updatefromsandbox", {
detail
}));
} else {
this._pdfDocument?.annotationStorage.setValue(elementId, detail);
}
}
}
async _dispatchPageOpen(pageNumber, initialize = false) {
const pdfDocument = this._pdfDocument,
visitedPages = this._visitedPages;
if (initialize) {
this._closeCapability = (0, _pdfjsLib.createPromiseCapability)();
this._pageEventsReady = true;
}
if (!this._pageEventsReady) {
return;
}
const pageView = this._pdfViewer.getPageView(pageNumber - 1);
if (pageView?.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
this._pageOpenPending.add(pageNumber);
return;
}
this._pageOpenPending.delete(pageNumber);
const actionsPromise = (async () => {
const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null);
if (pdfDocument !== this._pdfDocument) {
return;
}
await this._scripting?.dispatchEventInSandbox({
id: "page",
name: "PageOpen",
pageNumber,
actions
});
})();
visitedPages.set(pageNumber, actionsPromise);
}
async _dispatchPageClose(pageNumber) {
const pdfDocument = this._pdfDocument,
visitedPages = this._visitedPages;
if (!this._pageEventsReady) {
return;
}
if (this._pageOpenPending.has(pageNumber)) {
return;
}
const actionsPromise = visitedPages.get(pageNumber);
if (!actionsPromise) {
return;
}
visitedPages.set(pageNumber, null);
await actionsPromise;
if (pdfDocument !== this._pdfDocument) {
return;
}
await this._scripting?.dispatchEventInSandbox({
id: "page",
name: "PageClose",
pageNumber
});
}
async _getDocProperties() {
if (this._docPropertiesLookup) {
return this._docPropertiesLookup(this._pdfDocument);
}
throw new Error("_getDocProperties: Unable to lookup properties.");
}
_createScripting() {
this._destroyCapability = (0, _pdfjsLib.createPromiseCapability)();
if (this._scripting) {
throw new Error("_createScripting: Scripting already exists.");
}
if (this._scriptingFactory) {
return this._scriptingFactory.createScripting({
sandboxBundleSrc: this._sandboxBundleSrc
});
}
throw new Error("_createScripting: Cannot create scripting.");
}
async _destroyScripting() {
if (!this._scripting) {
this._pdfDocument = null;
this._destroyCapability?.resolve();
return;
}
if (this._closeCapability) {
await Promise.race([this._closeCapability.promise, new Promise(resolve => {
setTimeout(resolve, 1000);
})]).catch(reason => {});
this._closeCapability = null;
}
this._pdfDocument = null;
try {
await this._scripting.destroySandbox();
} catch (ex) {}
for (const [name, listener] of this._internalEvents) {
this._eventBus._off(name, listener);
}
this._internalEvents.clear();
for (const [name, listener] of this._domEvents) {
window.removeEventListener(name, listener);
}
this._domEvents.clear();
this._pageOpenPending.clear();
this._visitedPages.clear();
this._scripting = null;
delete this._mouseState.isDown;
this._pageEventsReady = false;
this._ready = false;
this._destroyCapability?.resolve();
}
}
exports.PDFScriptingManager = PDFScriptingManager;
/***/ }),
/* 23 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFSidebar = void 0;
var _ui_utils = __webpack_require__(4);
var _pdf_rendering_queue = __webpack_require__(8);
const UI_NOTIFICATION_CLASS = "pdfSidebarNotification";
class PDFSidebar {
constructor({
elements,
pdfViewer,
pdfThumbnailViewer,
eventBus,
l10n
}) {
this.isOpen = false;
this.active = _ui_utils.SidebarView.THUMBS;
this.isInitialViewSet = false;
this.onToggled = null;
this.pdfViewer = pdfViewer;
this.pdfThumbnailViewer = pdfThumbnailViewer;
this.outerContainer = elements.outerContainer;
this.viewerContainer = elements.viewerContainer;
this.toggleButton = elements.toggleButton;
this.thumbnailButton = elements.thumbnailButton;
this.outlineButton = elements.outlineButton;
this.attachmentsButton = elements.attachmentsButton;
this.layersButton = elements.layersButton;
this.thumbnailView = elements.thumbnailView;
this.outlineView = elements.outlineView;
this.attachmentsView = elements.attachmentsView;
this.layersView = elements.layersView;
this._outlineOptionsContainer = elements.outlineOptionsContainer;
this._currentOutlineItemButton = elements.currentOutlineItemButton;
this.eventBus = eventBus;
this.l10n = l10n;
this._addEventListeners();
}
reset() {
this.isInitialViewSet = false;
this._hideUINotification(true);
this.switchView(_ui_utils.SidebarView.THUMBS);
this.outlineButton.disabled = false;
this.attachmentsButton.disabled = false;
this.layersButton.disabled = false;
this._currentOutlineItemButton.disabled = true;
}
get visibleView() {
return this.isOpen ? this.active : _ui_utils.SidebarView.NONE;
}
get isThumbnailViewVisible() {
return this.isOpen && this.active === _ui_utils.SidebarView.THUMBS;
}
get isOutlineViewVisible() {
return this.isOpen && this.active === _ui_utils.SidebarView.OUTLINE;
}
get isAttachmentsViewVisible() {
return this.isOpen && this.active === _ui_utils.SidebarView.ATTACHMENTS;
}
get isLayersViewVisible() {
return this.isOpen && this.active === _ui_utils.SidebarView.LAYERS;
}
setInitialView(view = _ui_utils.SidebarView.NONE) {
if (this.isInitialViewSet) {
return;
}
this.isInitialViewSet = true;
if (view === _ui_utils.SidebarView.NONE || view === _ui_utils.SidebarView.UNKNOWN) {
this._dispatchEvent();
return;
}
if (!this._switchView(view, true)) {
this._dispatchEvent();
}
}
switchView(view, forceOpen = false) {
this._switchView(view, forceOpen);
}
_switchView(view, forceOpen = false) {
const isViewChanged = view !== this.active;
let shouldForceRendering = false;
switch (view) {
case _ui_utils.SidebarView.NONE:
if (this.isOpen) {
this.close();
return true;
}
return false;
case _ui_utils.SidebarView.THUMBS:
if (this.isOpen && isViewChanged) {
shouldForceRendering = true;
}
break;
case _ui_utils.SidebarView.OUTLINE:
if (this.outlineButton.disabled) {
return false;
}
break;
case _ui_utils.SidebarView.ATTACHMENTS:
if (this.attachmentsButton.disabled) {
return false;
}
break;
case _ui_utils.SidebarView.LAYERS:
if (this.layersButton.disabled) {
return false;
}
break;
default:
console.error(`PDFSidebar._switchView: "${view}" is not a valid view.`);
return false;
}
this.active = view;
this.thumbnailButton.classList.toggle("toggled", view === _ui_utils.SidebarView.THUMBS);
this.outlineButton.classList.toggle("toggled", view === _ui_utils.SidebarView.OUTLINE);
this.attachmentsButton.classList.toggle("toggled", view === _ui_utils.SidebarView.ATTACHMENTS);
this.layersButton.classList.toggle("toggled", view === _ui_utils.SidebarView.LAYERS);
this.thumbnailView.classList.toggle("hidden", view !== _ui_utils.SidebarView.THUMBS);
this.outlineView.classList.toggle("hidden", view !== _ui_utils.SidebarView.OUTLINE);
this.attachmentsView.classList.toggle("hidden", view !== _ui_utils.SidebarView.ATTACHMENTS);
this.layersView.classList.toggle("hidden", view !== _ui_utils.SidebarView.LAYERS);
this._outlineOptionsContainer.classList.toggle("hidden", view !== _ui_utils.SidebarView.OUTLINE);
if (forceOpen && !this.isOpen) {
this.open();
return true;
}
if (shouldForceRendering) {
this._updateThumbnailViewer();
this._forceRendering();
}
if (isViewChanged) {
this._dispatchEvent();
}
return isViewChanged;
}
open() {
if (this.isOpen) {
return;
}
this.isOpen = true;
this.toggleButton.classList.add("toggled");
this.toggleButton.setAttribute("aria-expanded", "true");
this.outerContainer.classList.add("sidebarMoving", "sidebarOpen");
if (this.active === _ui_utils.SidebarView.THUMBS) {
this._updateThumbnailViewer();
}
this._forceRendering();
this._dispatchEvent();
this._hideUINotification();
}
close() {
if (!this.isOpen) {
return;
}
this.isOpen = false;
this.toggleButton.classList.remove("toggled");
this.toggleButton.setAttribute("aria-expanded", "false");
this.outerContainer.classList.add("sidebarMoving");
this.outerContainer.classList.remove("sidebarOpen");
this._forceRendering();
this._dispatchEvent();
}
toggle() {
if (this.isOpen) {
this.close();
} else {
this.open();
}
}
_dispatchEvent() {
this.eventBus.dispatch("sidebarviewchanged", {
source: this,
view: this.visibleView
});
}
_forceRendering() {
if (this.onToggled) {
this.onToggled();
} else {
this.pdfViewer.forceRendering();
this.pdfThumbnailViewer.forceRendering();
}
}
_updateThumbnailViewer() {
const {
pdfViewer,
pdfThumbnailViewer
} = this;
const pagesCount = pdfViewer.pagesCount;
for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) {
const pageView = pdfViewer.getPageView(pageIndex);
if (pageView?.renderingState === _pdf_rendering_queue.RenderingStates.FINISHED) {
const thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex);
thumbnailView.setImage(pageView);
}
}
pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber);
}
_showUINotification() {
this.l10n.get("toggle_sidebar_notification2.title").then(msg => {
this.toggleButton.title = msg;
});
if (!this.isOpen) {
this.toggleButton.classList.add(UI_NOTIFICATION_CLASS);
}
}
_hideUINotification(reset = false) {
if (this.isOpen || reset) {
this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS);
}
if (reset) {
this.l10n.get("toggle_sidebar.title").then(msg => {
this.toggleButton.title = msg;
});
}
}
_addEventListeners() {
this.viewerContainer.addEventListener("transitionend", evt => {
if (evt.target === this.viewerContainer) {
this.outerContainer.classList.remove("sidebarMoving");
}
});
this.toggleButton.addEventListener("click", () => {
this.toggle();
});
this.thumbnailButton.addEventListener("click", () => {
this.switchView(_ui_utils.SidebarView.THUMBS);
});
this.outlineButton.addEventListener("click", () => {
this.switchView(_ui_utils.SidebarView.OUTLINE);
});
this.outlineButton.addEventListener("dblclick", () => {
this.eventBus.dispatch("toggleoutlinetree", {
source: this
});
});
this.attachmentsButton.addEventListener("click", () => {
this.switchView(_ui_utils.SidebarView.ATTACHMENTS);
});
this.layersButton.addEventListener("click", () => {
this.switchView(_ui_utils.SidebarView.LAYERS);
});
this.layersButton.addEventListener("dblclick", () => {
this.eventBus.dispatch("resetlayers", {
source: this
});
});
this._currentOutlineItemButton.addEventListener("click", () => {
this.eventBus.dispatch("currentoutlineitem", {
source: this
});
});
const onTreeLoaded = (count, button, view) => {
button.disabled = !count;
if (count) {
this._showUINotification();
} else if (this.active === view) {
this.switchView(_ui_utils.SidebarView.THUMBS);
}
};
this.eventBus._on("outlineloaded", evt => {
onTreeLoaded(evt.outlineCount, this.outlineButton, _ui_utils.SidebarView.OUTLINE);
evt.currentOutlineItemPromise.then(enabled => {
if (!this.isInitialViewSet) {
return;
}
this._currentOutlineItemButton.disabled = !enabled;
});
});
this.eventBus._on("attachmentsloaded", evt => {
onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, _ui_utils.SidebarView.ATTACHMENTS);
});
this.eventBus._on("layersloaded", evt => {
onTreeLoaded(evt.layersCount, this.layersButton, _ui_utils.SidebarView.LAYERS);
});
this.eventBus._on("presentationmodechanged", evt => {
if (evt.state === _ui_utils.PresentationModeState.NORMAL && this.isThumbnailViewVisible) {
this._updateThumbnailViewer();
}
});
}
}
exports.PDFSidebar = PDFSidebar;
/***/ }),
/* 24 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFSidebarResizer = void 0;
const SIDEBAR_WIDTH_VAR = "--sidebar-width";
const SIDEBAR_MIN_WIDTH = 200;
const SIDEBAR_RESIZING_CLASS = "sidebarResizing";
class PDFSidebarResizer {
constructor(options, eventBus, l10n) {
this.isRTL = false;
this.sidebarOpen = false;
this.doc = document.documentElement;
this._width = null;
this._outerContainerWidth = null;
this._boundEvents = Object.create(null);
this.outerContainer = options.outerContainer;
this.resizer = options.resizer;
this.eventBus = eventBus;
l10n.getDirection().then(dir => {
this.isRTL = dir === "rtl";
});
this._addEventListeners();
}
get outerContainerWidth() {
return this._outerContainerWidth || (this._outerContainerWidth = this.outerContainer.clientWidth);
}
_updateWidth(width = 0) {
const maxWidth = Math.floor(this.outerContainerWidth / 2);
if (width > maxWidth) {
width = maxWidth;
}
if (width < SIDEBAR_MIN_WIDTH) {
width = SIDEBAR_MIN_WIDTH;
}
if (width === this._width) {
return false;
}
this._width = width;
this.doc.style.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`);
return true;
}
_mouseMove(evt) {
let width = evt.clientX;
if (this.isRTL) {
width = this.outerContainerWidth - width;
}
this._updateWidth(width);
}
_mouseUp(evt) {
this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
this.eventBus.dispatch("resize", {
source: this
});
const _boundEvents = this._boundEvents;
window.removeEventListener("mousemove", _boundEvents.mouseMove);
window.removeEventListener("mouseup", _boundEvents.mouseUp);
}
_addEventListeners() {
const _boundEvents = this._boundEvents;
_boundEvents.mouseMove = this._mouseMove.bind(this);
_boundEvents.mouseUp = this._mouseUp.bind(this);
this.resizer.addEventListener("mousedown", evt => {
if (evt.button !== 0) {
return;
}
this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
window.addEventListener("mousemove", _boundEvents.mouseMove);
window.addEventListener("mouseup", _boundEvents.mouseUp);
});
this.eventBus._on("sidebarviewchanged", evt => {
this.sidebarOpen = !!evt?.view;
});
this.eventBus._on("resize", evt => {
if (evt?.source !== window) {
return;
}
this._outerContainerWidth = null;
if (!this._width) {
return;
}
if (!this.sidebarOpen) {
this._updateWidth(this._width);
return;
}
this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS);
const updated = this._updateWidth(this._width);
Promise.resolve().then(() => {
this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS);
if (updated) {
this.eventBus.dispatch("resize", {
source: this
});
}
});
});
}
}
exports.PDFSidebarResizer = PDFSidebarResizer;
/***/ }),
/* 25 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFThumbnailViewer = void 0;
var _ui_utils = __webpack_require__(4);
var _pdf_thumbnail_view = __webpack_require__(26);
var _pdf_rendering_queue = __webpack_require__(8);
const THUMBNAIL_SCROLL_MARGIN = -19;
const THUMBNAIL_SELECTED_CLASS = "selected";
class PDFThumbnailViewer {
constructor({
container,
eventBus,
linkService,
renderingQueue,
l10n
}) {
this.container = container;
this.linkService = linkService;
this.renderingQueue = renderingQueue;
this.l10n = l10n;
this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this));
this._resetView();
eventBus._on("optionalcontentconfigchanged", () => {
this._setImageDisabled = true;
});
}
_scrollUpdated() {
this.renderingQueue.renderHighestPriority();
}
getThumbnail(index) {
return this._thumbnails[index];
}
_getVisibleThumbs() {
return (0, _ui_utils.getVisibleElements)({
scrollEl: this.container,
views: this._thumbnails
});
}
scrollThumbnailIntoView(pageNumber) {
if (!this.pdfDocument) {
return;
}
const thumbnailView = this._thumbnails[pageNumber - 1];
if (!thumbnailView) {
console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.');
return;
}
if (pageNumber !== this._currentPageNumber) {
const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1];
prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS);
thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
}
const visibleThumbs = this._getVisibleThumbs();
const numVisibleThumbs = visibleThumbs.views.length;
if (numVisibleThumbs > 0) {
const first = visibleThumbs.first.id;
const last = numVisibleThumbs > 1 ? visibleThumbs.last.id : first;
let shouldScroll = false;
if (pageNumber <= first || pageNumber >= last) {
shouldScroll = true;
} else {
visibleThumbs.views.some(function (view) {
if (view.id !== pageNumber) {
return false;
}
shouldScroll = view.percent < 100;
return true;
});
}
if (shouldScroll) {
(0, _ui_utils.scrollIntoView)(thumbnailView.div, {
top: THUMBNAIL_SCROLL_MARGIN
});
}
}
this._currentPageNumber = pageNumber;
}
get pagesRotation() {
return this._pagesRotation;
}
set pagesRotation(rotation) {
if (!(0, _ui_utils.isValidRotation)(rotation)) {
throw new Error("Invalid thumbnails rotation angle.");
}
if (!this.pdfDocument) {
return;
}
if (this._pagesRotation === rotation) {
return;
}
this._pagesRotation = rotation;
for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
this._thumbnails[i].update(rotation);
}
}
cleanup() {
for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
if (this._thumbnails[i] && this._thumbnails[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
this._thumbnails[i].reset();
}
}
_pdf_thumbnail_view.TempImageFactory.destroyCanvas();
}
_resetView() {
this._thumbnails = [];
this._currentPageNumber = 1;
this._pageLabels = null;
this._pagesRotation = 0;
this._optionalContentConfigPromise = null;
this._pagesRequests = new WeakMap();
this._setImageDisabled = false;
this.container.textContent = "";
}
setDocument(pdfDocument) {
if (this.pdfDocument) {
this._cancelRendering();
this._resetView();
}
this.pdfDocument = pdfDocument;
if (!pdfDocument) {
return;
}
const firstPagePromise = pdfDocument.getPage(1);
const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
firstPagePromise.then(firstPdfPage => {
this._optionalContentConfigPromise = optionalContentConfigPromise;
const pagesCount = pdfDocument.numPages;
const viewport = firstPdfPage.getViewport({
scale: 1
});
const checkSetImageDisabled = () => {
return this._setImageDisabled;
};
for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({
container: this.container,
id: pageNum,
defaultViewport: viewport.clone(),
optionalContentConfigPromise,
linkService: this.linkService,
renderingQueue: this.renderingQueue,
checkSetImageDisabled,
l10n: this.l10n
});
this._thumbnails.push(thumbnail);
}
const firstThumbnailView = this._thumbnails[0];
if (firstThumbnailView) {
firstThumbnailView.setPdfPage(firstPdfPage);
}
const thumbnailView = this._thumbnails[this._currentPageNumber - 1];
thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS);
}).catch(reason => {
console.error("Unable to initialize thumbnail viewer", reason);
});
}
_cancelRendering() {
for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
if (this._thumbnails[i]) {
this._thumbnails[i].cancelRendering();
}
}
}
setPageLabels(labels) {
if (!this.pdfDocument) {
return;
}
if (!labels) {
this._pageLabels = null;
} else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
this._pageLabels = null;
console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels.");
} else {
this._pageLabels = labels;
}
for (let i = 0, ii = this._thumbnails.length; i < ii; i++) {
this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null);
}
}
_ensurePdfPageLoaded(thumbView) {
if (thumbView.pdfPage) {
return Promise.resolve(thumbView.pdfPage);
}
if (this._pagesRequests.has(thumbView)) {
return this._pagesRequests.get(thumbView);
}
const promise = this.pdfDocument.getPage(thumbView.id).then(pdfPage => {
if (!thumbView.pdfPage) {
thumbView.setPdfPage(pdfPage);
}
this._pagesRequests.delete(thumbView);
return pdfPage;
}).catch(reason => {
console.error("Unable to get page for thumb view", reason);
this._pagesRequests.delete(thumbView);
});
this._pagesRequests.set(thumbView, promise);
return promise;
}
forceRendering() {
const visibleThumbs = this._getVisibleThumbs();
const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, this.scroll.down);
if (thumbView) {
this._ensurePdfPageLoaded(thumbView).then(() => {
this.renderingQueue.renderView(thumbView);
});
return true;
}
return false;
}
}
exports.PDFThumbnailViewer = PDFThumbnailViewer;
/***/ }),
/* 26 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.TempImageFactory = exports.PDFThumbnailView = void 0;
var _ui_utils = __webpack_require__(4);
var _pdfjsLib = __webpack_require__(5);
var _pdf_rendering_queue = __webpack_require__(8);
const DRAW_UPSCALE_FACTOR = 2;
const MAX_NUM_SCALING_STEPS = 3;
const THUMBNAIL_CANVAS_BORDER_WIDTH = 1;
const THUMBNAIL_WIDTH = 98;
const TempImageFactory = function TempImageFactoryClosure() {
let tempCanvasCache = null;
return {
getCanvas(width, height) {
let tempCanvas = tempCanvasCache;
if (!tempCanvas) {
tempCanvas = document.createElement("canvas");
tempCanvasCache = tempCanvas;
}
tempCanvas.width = width;
tempCanvas.height = height;
tempCanvas.mozOpaque = true;
const ctx = tempCanvas.getContext("2d", {
alpha: false
});
ctx.save();
ctx.fillStyle = "rgb(255, 255, 255)";
ctx.fillRect(0, 0, width, height);
ctx.restore();
return [tempCanvas, tempCanvas.getContext("2d")];
},
destroyCanvas() {
const tempCanvas = tempCanvasCache;
if (tempCanvas) {
tempCanvas.width = 0;
tempCanvas.height = 0;
}
tempCanvasCache = null;
}
};
}();
exports.TempImageFactory = TempImageFactory;
class PDFThumbnailView {
constructor({
container,
id,
defaultViewport,
optionalContentConfigPromise,
linkService,
renderingQueue,
checkSetImageDisabled,
l10n
}) {
this.id = id;
this.renderingId = "thumbnail" + id;
this.pageLabel = null;
this.pdfPage = null;
this.rotation = 0;
this.viewport = defaultViewport;
this.pdfPageRotate = defaultViewport.rotation;
this._optionalContentConfigPromise = optionalContentConfigPromise || null;
this.linkService = linkService;
this.renderingQueue = renderingQueue;
this.renderTask = null;
this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
this.resume = null;
this._checkSetImageDisabled = checkSetImageDisabled || function () {
return false;
};
const pageWidth = this.viewport.width,
pageHeight = this.viewport.height,
pageRatio = pageWidth / pageHeight;
this.canvasWidth = THUMBNAIL_WIDTH;
this.canvasHeight = this.canvasWidth / pageRatio | 0;
this.scale = this.canvasWidth / pageWidth;
this.l10n = l10n;
const anchor = document.createElement("a");
anchor.href = linkService.getAnchorUrl("#page=" + id);
this._thumbPageTitle.then(msg => {
anchor.title = msg;
});
anchor.onclick = function () {
linkService.goToPage(id);
return false;
};
this.anchor = anchor;
const div = document.createElement("div");
div.className = "thumbnail";
div.setAttribute("data-page-number", this.id);
this.div = div;
const ring = document.createElement("div");
ring.className = "thumbnailSelectionRing";
const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
ring.style.width = this.canvasWidth + borderAdjustment + "px";
ring.style.height = this.canvasHeight + borderAdjustment + "px";
this.ring = ring;
div.appendChild(ring);
anchor.appendChild(div);
container.appendChild(anchor);
}
setPdfPage(pdfPage) {
this.pdfPage = pdfPage;
this.pdfPageRotate = pdfPage.rotate;
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = pdfPage.getViewport({
scale: 1,
rotation: totalRotation
});
this.reset();
}
reset() {
this.cancelRendering();
this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
const pageWidth = this.viewport.width,
pageHeight = this.viewport.height,
pageRatio = pageWidth / pageHeight;
this.canvasHeight = this.canvasWidth / pageRatio | 0;
this.scale = this.canvasWidth / pageWidth;
this.div.removeAttribute("data-loaded");
const ring = this.ring;
ring.textContent = "";
const borderAdjustment = 2 * THUMBNAIL_CANVAS_BORDER_WIDTH;
ring.style.width = this.canvasWidth + borderAdjustment + "px";
ring.style.height = this.canvasHeight + borderAdjustment + "px";
if (this.canvas) {
this.canvas.width = 0;
this.canvas.height = 0;
delete this.canvas;
}
if (this.image) {
this.image.removeAttribute("src");
delete this.image;
}
}
update(rotation) {
if (typeof rotation !== "undefined") {
this.rotation = rotation;
}
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = this.viewport.clone({
scale: 1,
rotation: totalRotation
});
this.reset();
}
cancelRendering() {
if (this.renderTask) {
this.renderTask.cancel();
this.renderTask = null;
}
this.resume = null;
}
_getPageDrawContext(upscaleFactor = 1) {
const canvas = document.createElement("canvas");
canvas.mozOpaque = true;
const ctx = canvas.getContext("2d", {
alpha: false
});
const outputScale = (0, _ui_utils.getOutputScale)(ctx);
canvas.width = upscaleFactor * this.canvasWidth * outputScale.sx | 0;
canvas.height = upscaleFactor * this.canvasHeight * outputScale.sy | 0;
const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null;
return {
ctx,
canvas,
transform
};
}
_convertCanvasToImage(canvas) {
if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
throw new Error("_convertCanvasToImage: Rendering has not finished.");
}
const reducedCanvas = this._reduceImage(canvas);
const image = document.createElement("img");
image.className = "thumbnailImage";
this._thumbPageCanvas.then(msg => {
image.setAttribute("aria-label", msg);
});
image.style.width = this.canvasWidth + "px";
image.style.height = this.canvasHeight + "px";
image.src = reducedCanvas.toDataURL();
this.image = image;
this.div.setAttribute("data-loaded", true);
this.ring.appendChild(image);
reducedCanvas.width = 0;
reducedCanvas.height = 0;
}
draw() {
if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
console.error("Must be in new state before drawing");
return Promise.resolve(undefined);
}
const {
pdfPage
} = this;
if (!pdfPage) {
this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
return Promise.reject(new Error("pdfPage is not loaded"));
}
this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
const finishRenderTask = async (error = null) => {
if (renderTask === this.renderTask) {
this.renderTask = null;
}
if (error instanceof _pdfjsLib.RenderingCancelledException) {
return;
}
this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
this._convertCanvasToImage(canvas);
if (error) {
throw error;
}
};
const {
ctx,
canvas,
transform
} = this._getPageDrawContext(DRAW_UPSCALE_FACTOR);
const drawViewport = this.viewport.clone({
scale: DRAW_UPSCALE_FACTOR * this.scale
});
const renderContinueCallback = cont => {
if (!this.renderingQueue.isHighestPriority(this)) {
this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
this.resume = () => {
this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
cont();
};
return;
}
cont();
};
const renderContext = {
canvasContext: ctx,
transform,
viewport: drawViewport,
optionalContentConfigPromise: this._optionalContentConfigPromise
};
const renderTask = this.renderTask = pdfPage.render(renderContext);
renderTask.onContinue = renderContinueCallback;
const resultPromise = renderTask.promise.then(function () {
return finishRenderTask(null);
}, function (error) {
return finishRenderTask(error);
});
resultPromise.finally(() => {
canvas.width = 0;
canvas.height = 0;
const pageCached = this.linkService.isPageCached(this.id);
if (!pageCached) {
this.pdfPage?.cleanup();
}
});
return resultPromise;
}
setImage(pageView) {
if (this._checkSetImageDisabled()) {
return;
}
if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
return;
}
const {
canvas,
pdfPage
} = pageView;
if (!canvas) {
return;
}
if (!this.pdfPage) {
this.setPdfPage(pdfPage);
}
this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
this._convertCanvasToImage(canvas);
}
_reduceImage(img) {
const {
ctx,
canvas
} = this._getPageDrawContext();
if (img.width <= 2 * canvas.width) {
ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height);
return canvas;
}
let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS;
let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS;
const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight);
while (reducedWidth > img.width || reducedHeight > img.height) {
reducedWidth >>= 1;
reducedHeight >>= 1;
}
reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight);
while (reducedWidth > 2 * canvas.width) {
reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1);
reducedWidth >>= 1;
reducedHeight >>= 1;
}
ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height);
return canvas;
}
get _thumbPageTitle() {
return this.l10n.get("thumb_page_title", {
page: this.pageLabel ?? this.id
});
}
get _thumbPageCanvas() {
return this.l10n.get("thumb_page_canvas", {
page: this.pageLabel ?? this.id
});
}
setPageLabel(label) {
this.pageLabel = typeof label === "string" ? label : null;
this._thumbPageTitle.then(msg => {
this.anchor.title = msg;
});
if (this.renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
return;
}
this._thumbPageCanvas.then(msg => {
this.image?.setAttribute("aria-label", msg);
});
}
}
exports.PDFThumbnailView = PDFThumbnailView;
/***/ }),
/* 27 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFViewer = void 0;
var _ui_utils = __webpack_require__(4);
var _base_viewer = __webpack_require__(28);
var _pdfjsLib = __webpack_require__(5);
class PDFViewer extends _base_viewer.BaseViewer {
get _viewerElement() {
return (0, _pdfjsLib.shadow)(this, "_viewerElement", this.viewer);
}
_scrollIntoView({
pageDiv,
pageSpot = null,
pageNumber = null
}) {
if (!pageSpot && !this.isInPresentationMode) {
const left = pageDiv.offsetLeft + pageDiv.clientLeft;
const right = left + pageDiv.clientWidth;
const {
scrollLeft,
clientWidth
} = this.container;
if (this._isScrollModeHorizontal || left < scrollLeft || right > scrollLeft + clientWidth) {
pageSpot = {
left: 0,
top: 0
};
}
}
super._scrollIntoView({
pageDiv,
pageSpot,
pageNumber
});
}
_getVisiblePages() {
if (this.isInPresentationMode) {
return this._getCurrentVisiblePage();
}
return super._getVisiblePages();
}
_updateHelper(visiblePages) {
if (this.isInPresentationMode) {
return;
}
let currentId = this._currentPageNumber;
let stillFullyVisible = false;
for (const page of visiblePages) {
if (page.percent < 100) {
break;
}
if (page.id === currentId && this._scrollMode === _ui_utils.ScrollMode.VERTICAL && this._spreadMode === _ui_utils.SpreadMode.NONE) {
stillFullyVisible = true;
break;
}
}
if (!stillFullyVisible) {
currentId = visiblePages[0].id;
}
this._setCurrentPageNumber(currentId);
}
}
exports.PDFViewer = PDFViewer;
/***/ }),
/* 28 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.BaseViewer = void 0;
var _pdfjsLib = __webpack_require__(5);
var _ui_utils = __webpack_require__(4);
var _pdf_rendering_queue = __webpack_require__(8);
var _annotation_layer_builder = __webpack_require__(29);
var _l10n_utils = __webpack_require__(30);
var _pdf_page_view = __webpack_require__(31);
var _pdf_link_service = __webpack_require__(19);
var _struct_tree_layer_builder = __webpack_require__(32);
var _text_layer_builder = __webpack_require__(33);
var _xfa_layer_builder = __webpack_require__(34);
const DEFAULT_CACHE_SIZE = 10;
function PDFPageViewBuffer(size) {
const data = [];
this.push = function (view) {
const i = data.indexOf(view);
if (i >= 0) {
data.splice(i, 1);
}
data.push(view);
if (data.length > size) {
data.shift().destroy();
}
};
this.resize = function (newSize, pagesToKeep) {
size = newSize;
if (pagesToKeep) {
const pageIdsToKeep = new Set();
for (let i = 0, iMax = pagesToKeep.length; i < iMax; ++i) {
pageIdsToKeep.add(pagesToKeep[i].id);
}
(0, _ui_utils.moveToEndOfArray)(data, function (page) {
return pageIdsToKeep.has(page.id);
});
}
while (data.length > size) {
data.shift().destroy();
}
};
this.has = function (view) {
return data.includes(view);
};
}
function isSameScale(oldScale, newScale) {
if (newScale === oldScale) {
return true;
}
if (Math.abs(newScale - oldScale) < 1e-15) {
return true;
}
return false;
}
class BaseViewer {
constructor(options) {
if (this.constructor === BaseViewer) {
throw new Error("Cannot initialize BaseViewer.");
}
const viewerVersion = '2.9.359';
if (_pdfjsLib.version !== viewerVersion) {
throw new Error(`The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`);
}
this._name = this.constructor.name;
this.container = options.container;
this.viewer = options.viewer || options.container.firstElementChild;
if (!(this.container?.tagName.toUpperCase() === "DIV" && this.viewer?.tagName.toUpperCase() === "DIV")) {
throw new Error("Invalid `container` and/or `viewer` option.");
}
if (this.container.offsetParent && getComputedStyle(this.container).position !== "absolute") {
throw new Error("The `container` must be absolutely positioned.");
}
this.eventBus = options.eventBus;
this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService();
this.downloadManager = options.downloadManager || null;
this.findController = options.findController || null;
this._scriptingManager = options.scriptingManager || null;
this.removePageBorders = options.removePageBorders || false;
this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
this.imageResourcesPath = options.imageResourcesPath || "";
this.renderInteractiveForms = options.renderInteractiveForms !== false;
this.enablePrintAutoRotate = options.enablePrintAutoRotate || false;
this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
this.useOnlyCssZoom = options.useOnlyCssZoom || false;
this.maxCanvasPixels = options.maxCanvasPixels;
this.l10n = options.l10n || _l10n_utils.NullL10n;
this.enableScripting = options.enableScripting === true && !!this._scriptingManager;
this.defaultRenderingQueue = !options.renderingQueue;
if (this.defaultRenderingQueue) {
this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue();
this.renderingQueue.setViewer(this);
} else {
this.renderingQueue = options.renderingQueue;
}
this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this));
this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN;
this._onBeforeDraw = this._onAfterDraw = null;
this._resetView();
if (this.removePageBorders) {
this.viewer.classList.add("removePageBorders");
}
Promise.resolve().then(() => {
this.eventBus.dispatch("baseviewerinit", {
source: this
});
});
}
get pagesCount() {
return this._pages.length;
}
getPageView(index) {
return this._pages[index];
}
get pageViewsReady() {
if (!this._pagesCapability.settled) {
return false;
}
return this._pages.every(function (pageView) {
return pageView?.pdfPage;
});
}
get currentPageNumber() {
return this._currentPageNumber;
}
set currentPageNumber(val) {
if (!Number.isInteger(val)) {
throw new Error("Invalid page number.");
}
if (!this.pdfDocument) {
return;
}
if (!this._setCurrentPageNumber(val, true)) {
console.error(`${this._name}.currentPageNumber: "${val}" is not a valid page.`);
}
}
_setCurrentPageNumber(val, resetCurrentPageView = false) {
if (this._currentPageNumber === val) {
if (resetCurrentPageView) {
this._resetCurrentPageView();
}
return true;
}
if (!(0 < val && val <= this.pagesCount)) {
return false;
}
const previous = this._currentPageNumber;
this._currentPageNumber = val;
this.eventBus.dispatch("pagechanging", {
source: this,
pageNumber: val,
pageLabel: this._pageLabels?.[val - 1] ?? null,
previous
});
if (resetCurrentPageView) {
this._resetCurrentPageView();
}
return true;
}
get currentPageLabel() {
return this._pageLabels?.[this._currentPageNumber - 1] ?? null;
}
set currentPageLabel(val) {
if (!this.pdfDocument) {
return;
}
let page = val | 0;
if (this._pageLabels) {
const i = this._pageLabels.indexOf(val);
if (i >= 0) {
page = i + 1;
}
}
if (!this._setCurrentPageNumber(page, true)) {
console.error(`${this._name}.currentPageLabel: "${val}" is not a valid page.`);
}
}
get currentScale() {
return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE;
}
set currentScale(val) {
if (isNaN(val)) {
throw new Error("Invalid numeric scale.");
}
if (!this.pdfDocument) {
return;
}
this._setScale(val, false);
}
get currentScaleValue() {
return this._currentScaleValue;
}
set currentScaleValue(val) {
if (!this.pdfDocument) {
return;
}
this._setScale(val, false);
}
get pagesRotation() {
return this._pagesRotation;
}
set pagesRotation(rotation) {
if (!(0, _ui_utils.isValidRotation)(rotation)) {
throw new Error("Invalid pages rotation angle.");
}
if (!this.pdfDocument) {
return;
}
rotation %= 360;
if (rotation < 0) {
rotation += 360;
}
if (this._pagesRotation === rotation) {
return;
}
this._pagesRotation = rotation;
const pageNumber = this._currentPageNumber;
for (let i = 0, ii = this._pages.length; i < ii; i++) {
const pageView = this._pages[i];
pageView.update(pageView.scale, rotation);
}
if (this._currentScaleValue) {
this._setScale(this._currentScaleValue, true);
}
this.eventBus.dispatch("rotationchanging", {
source: this,
pagesRotation: rotation,
pageNumber
});
if (this.defaultRenderingQueue) {
this.update();
}
}
get firstPagePromise() {
return this.pdfDocument ? this._firstPageCapability.promise : null;
}
get onePageRendered() {
return this.pdfDocument ? this._onePageRenderedCapability.promise : null;
}
get pagesPromise() {
return this.pdfDocument ? this._pagesCapability.promise : null;
}
get _viewerElement() {
throw new Error("Not implemented: _viewerElement");
}
_onePageRenderedOrForceFetch() {
if (!this.container.offsetParent || this._getVisiblePages().views.length === 0) {
return Promise.resolve();
}
return this._onePageRenderedCapability.promise;
}
setDocument(pdfDocument) {
if (this.pdfDocument) {
this.eventBus.dispatch("pagesdestroy", {
source: this
});
this._cancelRendering();
this._resetView();
if (this.findController) {
this.findController.setDocument(null);
}
if (this._scriptingManager) {
this._scriptingManager.setDocument(null);
}
}
this.pdfDocument = pdfDocument;
if (!pdfDocument) {
return;
}
const isPureXfa = pdfDocument.isPureXfa;
const pagesCount = pdfDocument.numPages;
const firstPagePromise = pdfDocument.getPage(1);
const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig();
this._pagesCapability.promise.then(() => {
this.eventBus.dispatch("pagesloaded", {
source: this,
pagesCount
});
});
this._onBeforeDraw = evt => {
const pageView = this._pages[evt.pageNumber - 1];
if (!pageView) {
return;
}
this._buffer.push(pageView);
};
this.eventBus._on("pagerender", this._onBeforeDraw);
this._onAfterDraw = evt => {
if (evt.cssTransform || this._onePageRenderedCapability.settled) {
return;
}
this._onePageRenderedCapability.resolve();
this.eventBus._off("pagerendered", this._onAfterDraw);
this._onAfterDraw = null;
};
this.eventBus._on("pagerendered", this._onAfterDraw);
firstPagePromise.then(firstPdfPage => {
this._firstPageCapability.resolve(firstPdfPage);
this._optionalContentConfigPromise = optionalContentConfigPromise;
const scale = this.currentScale;
const viewport = firstPdfPage.getViewport({
scale: scale * _ui_utils.CSS_UNITS
});
const textLayerFactory = this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE ? this : null;
const xfaLayerFactory = isPureXfa ? this : null;
for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) {
const pageView = new _pdf_page_view.PDFPageView({
container: this._viewerElement,
eventBus: this.eventBus,
id: pageNum,
scale,
defaultViewport: viewport.clone(),
optionalContentConfigPromise,
renderingQueue: this.renderingQueue,
textLayerFactory,
textLayerMode: this.textLayerMode,
annotationLayerFactory: this,
xfaLayerFactory,
structTreeLayerFactory: this,
imageResourcesPath: this.imageResourcesPath,
renderInteractiveForms: this.renderInteractiveForms,
renderer: this.renderer,
useOnlyCssZoom: this.useOnlyCssZoom,
maxCanvasPixels: this.maxCanvasPixels,
l10n: this.l10n
});
this._pages.push(pageView);
}
const firstPageView = this._pages[0];
if (firstPageView) {
firstPageView.setPdfPage(firstPdfPage);
this.linkService.cachePageRef(1, firstPdfPage.ref);
}
if (this._spreadMode !== _ui_utils.SpreadMode.NONE) {
this._updateSpreadMode();
}
this._onePageRenderedOrForceFetch().then(() => {
if (this.findController) {
this.findController.setDocument(pdfDocument);
}
if (this.enableScripting) {
this._scriptingManager.setDocument(pdfDocument);
}
if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > 7500) {
this._pagesCapability.resolve();
return;
}
let getPagesLeft = pagesCount - 1;
if (getPagesLeft <= 0) {
this._pagesCapability.resolve();
return;
}
for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) {
pdfDocument.getPage(pageNum).then(pdfPage => {
const pageView = this._pages[pageNum - 1];
if (!pageView.pdfPage) {
pageView.setPdfPage(pdfPage);
}
this.linkService.cachePageRef(pageNum, pdfPage.ref);
if (--getPagesLeft === 0) {
this._pagesCapability.resolve();
}
}, reason => {
console.error(`Unable to get page ${pageNum} to initialize viewer`, reason);
if (--getPagesLeft === 0) {
this._pagesCapability.resolve();
}
});
}
});
this.eventBus.dispatch("pagesinit", {
source: this
});
if (this.defaultRenderingQueue) {
this.update();
}
}).catch(reason => {
console.error("Unable to initialize viewer", reason);
});
}
setPageLabels(labels) {
if (!this.pdfDocument) {
return;
}
if (!labels) {
this._pageLabels = null;
} else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) {
this._pageLabels = null;
console.error(`${this._name}.setPageLabels: Invalid page labels.`);
} else {
this._pageLabels = labels;
}
for (let i = 0, ii = this._pages.length; i < ii; i++) {
this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null);
}
}
_resetView() {
this._pages = [];
this._currentPageNumber = 1;
this._currentScale = _ui_utils.UNKNOWN_SCALE;
this._currentScaleValue = null;
this._pageLabels = null;
this._buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE);
this._location = null;
this._pagesRotation = 0;
this._optionalContentConfigPromise = null;
this._pagesRequests = new WeakMap();
this._firstPageCapability = (0, _pdfjsLib.createPromiseCapability)();
this._onePageRenderedCapability = (0, _pdfjsLib.createPromiseCapability)();
this._pagesCapability = (0, _pdfjsLib.createPromiseCapability)();
this._scrollMode = _ui_utils.ScrollMode.VERTICAL;
this._spreadMode = _ui_utils.SpreadMode.NONE;
if (this._onBeforeDraw) {
this.eventBus._off("pagerender", this._onBeforeDraw);
this._onBeforeDraw = null;
}
if (this._onAfterDraw) {
this.eventBus._off("pagerendered", this._onAfterDraw);
this._onAfterDraw = null;
}
this.viewer.textContent = "";
this._updateScrollMode();
}
_scrollUpdate() {
if (this.pagesCount === 0) {
return;
}
this.update();
}
_scrollIntoView({
pageDiv,
pageSpot = null,
pageNumber = null
}) {
(0, _ui_utils.scrollIntoView)(pageDiv, pageSpot);
}
_setScaleUpdatePages(newScale, newValue, noScroll = false, preset = false) {
this._currentScaleValue = newValue.toString();
if (isSameScale(this._currentScale, newScale)) {
if (preset) {
this.eventBus.dispatch("scalechanging", {
source: this,
scale: newScale,
presetValue: newValue
});
}
return;
}
for (let i = 0, ii = this._pages.length; i < ii; i++) {
this._pages[i].update(newScale);
}
this._currentScale = newScale;
if (!noScroll) {
let page = this._currentPageNumber,
dest;
if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) {
page = this._location.pageNumber;
dest = [null, {
name: "XYZ"
}, this._location.left, this._location.top, null];
}
this.scrollPageIntoView({
pageNumber: page,
destArray: dest,
allowNegativeOffset: true
});
}
this.eventBus.dispatch("scalechanging", {
source: this,
scale: newScale,
presetValue: preset ? newValue : undefined
});
if (this.defaultRenderingQueue) {
this.update();
}
}
get _pageWidthScaleFactor() {
if (this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL && !this.isInPresentationMode) {
return 2;
}
return 1;
}
_setScale(value, noScroll = false) {
let scale = parseFloat(value);
if (scale > 0) {
this._setScaleUpdatePages(scale, value, noScroll, false);
} else {
const currentPage = this._pages[this._currentPageNumber - 1];
if (!currentPage) {
return;
}
const noPadding = this.isInPresentationMode || this.removePageBorders;
let hPadding = noPadding ? 0 : _ui_utils.SCROLLBAR_PADDING;
let vPadding = noPadding ? 0 : _ui_utils.VERTICAL_PADDING;
if (!noPadding && this._isScrollModeHorizontal) {
[hPadding, vPadding] = [vPadding, hPadding];
}
const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this._pageWidthScaleFactor;
const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale;
switch (value) {
case "page-actual":
scale = 1;
break;
case "page-width":
scale = pageWidthScale;
break;
case "page-height":
scale = pageHeightScale;
break;
case "page-fit":
scale = Math.min(pageWidthScale, pageHeightScale);
break;
case "auto":
const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale);
scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale);
break;
default:
console.error(`${this._name}._setScale: "${value}" is an unknown zoom value.`);
return;
}
this._setScaleUpdatePages(scale, value, noScroll, true);
}
}
_resetCurrentPageView() {
if (this.isInPresentationMode) {
this._setScale(this._currentScaleValue, true);
}
const pageView = this._pages[this._currentPageNumber - 1];
this._scrollIntoView({
pageDiv: pageView.div
});
}
pageLabelToPageNumber(label) {
if (!this._pageLabels) {
return null;
}
const i = this._pageLabels.indexOf(label);
if (i < 0) {
return null;
}
return i + 1;
}
scrollPageIntoView({
pageNumber,
destArray = null,
allowNegativeOffset = false,
ignoreDestinationZoom = false
}) {
if (!this.pdfDocument) {
return;
}
const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1];
if (!pageView) {
console.error(`${this._name}.scrollPageIntoView: ` + `"${pageNumber}" is not a valid pageNumber parameter.`);
return;
}
if (this.isInPresentationMode || !destArray) {
this._setCurrentPageNumber(pageNumber, true);
return;
}
let x = 0,
y = 0;
let width = 0,
height = 0,
widthScale,
heightScale;
const changeOrientation = pageView.rotation % 180 !== 0;
const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _ui_utils.CSS_UNITS;
const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _ui_utils.CSS_UNITS;
let scale = 0;
switch (destArray[1].name) {
case "XYZ":
x = destArray[2];
y = destArray[3];
scale = destArray[4];
x = x !== null ? x : 0;
y = y !== null ? y : pageHeight;
break;
case "Fit":
case "FitB":
scale = "page-fit";
break;
case "FitH":
case "FitBH":
y = destArray[2];
scale = "page-width";
if (y === null && this._location) {
x = this._location.left;
y = this._location.top;
} else if (typeof y !== "number") {
y = pageHeight;
}
break;
case "FitV":
case "FitBV":
x = destArray[2];
width = pageWidth;
height = pageHeight;
scale = "page-height";
break;
case "FitR":
x = destArray[2];
y = destArray[3];
width = destArray[4] - x;
height = destArray[5] - y;
const hPadding = this.removePageBorders ? 0 : _ui_utils.SCROLLBAR_PADDING;
const vPadding = this.removePageBorders ? 0 : _ui_utils.VERTICAL_PADDING;
widthScale = (this.container.clientWidth - hPadding) / width / _ui_utils.CSS_UNITS;
heightScale = (this.container.clientHeight - vPadding) / height / _ui_utils.CSS_UNITS;
scale = Math.min(Math.abs(widthScale), Math.abs(heightScale));
break;
default:
console.error(`${this._name}.scrollPageIntoView: ` + `"${destArray[1].name}" is not a valid destination type.`);
return;
}
if (!ignoreDestinationZoom) {
if (scale && scale !== this._currentScale) {
this.currentScaleValue = scale;
} else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) {
this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
}
}
if (scale === "page-fit" && !destArray[4]) {
this._scrollIntoView({
pageDiv: pageView.div,
pageNumber
});
return;
}
const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)];
let left = Math.min(boundingRect[0][0], boundingRect[1][0]);
let top = Math.min(boundingRect[0][1], boundingRect[1][1]);
if (!allowNegativeOffset) {
left = Math.max(left, 0);
top = Math.max(top, 0);
}
this._scrollIntoView({
pageDiv: pageView.div,
pageSpot: {
left,
top
},
pageNumber
});
}
_updateLocation(firstPage) {
const currentScale = this._currentScale;
const currentScaleValue = this._currentScaleValue;
const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue;
const pageNumber = firstPage.id;
let pdfOpenParams = "#page=" + pageNumber;
pdfOpenParams += "&zoom=" + normalizedScaleValue;
const currentPageView = this._pages[pageNumber - 1];
const container = this.container;
const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y);
const intLeft = Math.round(topLeft[0]);
const intTop = Math.round(topLeft[1]);
pdfOpenParams += "," + intLeft + "," + intTop;
this._location = {
pageNumber,
scale: normalizedScaleValue,
top: intTop,
left: intLeft,
rotation: this._pagesRotation,
pdfOpenParams
};
}
_updateHelper(visiblePages) {
throw new Error("Not implemented: _updateHelper");
}
update() {
const visible = this._getVisiblePages();
const visiblePages = visible.views,
numVisiblePages = visiblePages.length;
if (numVisiblePages === 0) {
return;
}
const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1);
this._buffer.resize(newCacheSize, visiblePages);
this.renderingQueue.renderHighestPriority(visible);
this._updateHelper(visiblePages);
this._updateLocation(visible.first);
this.eventBus.dispatch("updateviewarea", {
source: this,
location: this._location
});
}
containsElement(element) {
return this.container.contains(element);
}
focus() {
this.container.focus();
}
get _isScrollModeHorizontal() {
return this.isInPresentationMode ? false : this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL;
}
get _isContainerRtl() {
return getComputedStyle(this.container).direction === "rtl";
}
get isInPresentationMode() {
return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN;
}
get isChangingPresentationMode() {
return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING;
}
get isHorizontalScrollbarEnabled() {
return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth;
}
get isVerticalScrollbarEnabled() {
return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight;
}
_getCurrentVisiblePage() {
if (!this.pagesCount) {
return {
views: []
};
}
const pageView = this._pages[this._currentPageNumber - 1];
const element = pageView.div;
const view = {
id: pageView.id,
x: element.offsetLeft + element.clientLeft,
y: element.offsetTop + element.clientTop,
view: pageView
};
return {
first: view,
last: view,
views: [view]
};
}
_getVisiblePages() {
return (0, _ui_utils.getVisibleElements)({
scrollEl: this.container,
views: this._pages,
sortByVisibility: true,
horizontal: this._isScrollModeHorizontal,
rtl: this._isScrollModeHorizontal && this._isContainerRtl
});
}
isPageVisible(pageNumber) {
if (!this.pdfDocument) {
return false;
}
if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
console.error(`${this._name}.isPageVisible: "${pageNumber}" is not a valid page.`);
return false;
}
return this._getVisiblePages().views.some(function (view) {
return view.id === pageNumber;
});
}
isPageCached(pageNumber) {
if (!this.pdfDocument || !this._buffer) {
return false;
}
if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) {
console.error(`${this._name}.isPageCached: "${pageNumber}" is not a valid page.`);
return false;
}
const pageView = this._pages[pageNumber - 1];
if (!pageView) {
return false;
}
return this._buffer.has(pageView);
}
cleanup() {
for (let i = 0, ii = this._pages.length; i < ii; i++) {
if (this._pages[i] && this._pages[i].renderingState !== _pdf_rendering_queue.RenderingStates.FINISHED) {
this._pages[i].reset();
}
}
}
_cancelRendering() {
for (let i = 0, ii = this._pages.length; i < ii; i++) {
if (this._pages[i]) {
this._pages[i].cancelRendering();
}
}
}
_ensurePdfPageLoaded(pageView) {
if (pageView.pdfPage) {
return Promise.resolve(pageView.pdfPage);
}
if (this._pagesRequests.has(pageView)) {
return this._pagesRequests.get(pageView);
}
const promise = this.pdfDocument.getPage(pageView.id).then(pdfPage => {
if (!pageView.pdfPage) {
pageView.setPdfPage(pdfPage);
}
this._pagesRequests.delete(pageView);
return pdfPage;
}).catch(reason => {
console.error("Unable to get page for page view", reason);
this._pagesRequests.delete(pageView);
});
this._pagesRequests.set(pageView, promise);
return promise;
}
forceRendering(currentlyVisiblePages) {
const visiblePages = currentlyVisiblePages || this._getVisiblePages();
const scrollAhead = this._isScrollModeHorizontal ? this.scroll.right : this.scroll.down;
const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead);
if (pageView) {
this._ensurePdfPageLoaded(pageView).then(() => {
this.renderingQueue.renderView(pageView);
});
return true;
}
return false;
}
createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
return new _text_layer_builder.TextLayerBuilder({
textLayerDiv,
eventBus,
pageIndex,
viewport,
findController: this.isInPresentationMode ? null : this.findController,
enhanceTextSelection: this.isInPresentationMode ? false : enhanceTextSelection
});
}
createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = false, l10n = _l10n_utils.NullL10n, enableScripting = null, hasJSActionsPromise = null, mouseState = null) {
return new _annotation_layer_builder.AnnotationLayerBuilder({
pageDiv,
pdfPage,
annotationStorage: annotationStorage || this.pdfDocument?.annotationStorage,
imageResourcesPath,
renderInteractiveForms,
linkService: this.linkService,
downloadManager: this.downloadManager,
l10n,
enableScripting: enableScripting ?? this.enableScripting,
hasJSActionsPromise: hasJSActionsPromise || this.pdfDocument?.hasJSActions(),
mouseState: mouseState || this._scriptingManager?.mouseState
});
}
createXfaLayerBuilder(pageDiv, pdfPage, annotationStorage = null) {
return new _xfa_layer_builder.XfaLayerBuilder({
pageDiv,
pdfPage,
annotationStorage: annotationStorage || this.pdfDocument?.annotationStorage
});
}
createStructTreeLayerBuilder(pdfPage) {
return new _struct_tree_layer_builder.StructTreeLayerBuilder({
pdfPage
});
}
get hasEqualPageSizes() {
const firstPageView = this._pages[0];
for (let i = 1, ii = this._pages.length; i < ii; ++i) {
const pageView = this._pages[i];
if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) {
return false;
}
}
return true;
}
getPagesOverview() {
return this._pages.map(pageView => {
const viewport = pageView.pdfPage.getViewport({
scale: 1
});
if (!this.enablePrintAutoRotate || (0, _ui_utils.isPortraitOrientation)(viewport)) {
return {
width: viewport.width,
height: viewport.height,
rotation: viewport.rotation
};
}
return {
width: viewport.height,
height: viewport.width,
rotation: (viewport.rotation - 90) % 360
};
});
}
get optionalContentConfigPromise() {
if (!this.pdfDocument) {
return Promise.resolve(null);
}
if (!this._optionalContentConfigPromise) {
return this.pdfDocument.getOptionalContentConfig();
}
return this._optionalContentConfigPromise;
}
set optionalContentConfigPromise(promise) {
if (!(promise instanceof Promise)) {
throw new Error(`Invalid optionalContentConfigPromise: ${promise}`);
}
if (!this.pdfDocument) {
return;
}
if (!this._optionalContentConfigPromise) {
return;
}
this._optionalContentConfigPromise = promise;
for (const pageView of this._pages) {
pageView.update(pageView.scale, pageView.rotation, promise);
}
this.update();
this.eventBus.dispatch("optionalcontentconfigchanged", {
source: this,
promise
});
}
get scrollMode() {
return this._scrollMode;
}
set scrollMode(mode) {
if (this._scrollMode === mode) {
return;
}
if (!(0, _ui_utils.isValidScrollMode)(mode)) {
throw new Error(`Invalid scroll mode: ${mode}`);
}
this._scrollMode = mode;
this.eventBus.dispatch("scrollmodechanged", {
source: this,
mode
});
this._updateScrollMode(this._currentPageNumber);
}
_updateScrollMode(pageNumber = null) {
const scrollMode = this._scrollMode,
viewer = this.viewer;
viewer.classList.toggle("scrollHorizontal", scrollMode === _ui_utils.ScrollMode.HORIZONTAL);
viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED);
if (!this.pdfDocument || !pageNumber) {
return;
}
if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
this._setScale(this._currentScaleValue, true);
}
this._setCurrentPageNumber(pageNumber, true);
this.update();
}
get spreadMode() {
return this._spreadMode;
}
set spreadMode(mode) {
if (this._spreadMode === mode) {
return;
}
if (!(0, _ui_utils.isValidSpreadMode)(mode)) {
throw new Error(`Invalid spread mode: ${mode}`);
}
this._spreadMode = mode;
this.eventBus.dispatch("spreadmodechanged", {
source: this,
mode
});
this._updateSpreadMode(this._currentPageNumber);
}
_updateSpreadMode(pageNumber = null) {
if (!this.pdfDocument) {
return;
}
const viewer = this.viewer,
pages = this._pages;
viewer.textContent = "";
if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
for (let i = 0, iMax = pages.length; i < iMax; ++i) {
viewer.appendChild(pages[i].div);
}
} else {
const parity = this._spreadMode - 1;
let spread = null;
for (let i = 0, iMax = pages.length; i < iMax; ++i) {
if (spread === null) {
spread = document.createElement("div");
spread.className = "spread";
viewer.appendChild(spread);
} else if (i % 2 === parity) {
spread = spread.cloneNode(false);
viewer.appendChild(spread);
}
spread.appendChild(pages[i].div);
}
}
if (!pageNumber) {
return;
}
if (this._currentScaleValue && isNaN(this._currentScaleValue)) {
this._setScale(this._currentScaleValue, true);
}
this._setCurrentPageNumber(pageNumber, true);
this.update();
}
_getPageAdvance(currentPageNumber, previous = false) {
if (this.isInPresentationMode) {
return 1;
}
switch (this._scrollMode) {
case _ui_utils.ScrollMode.WRAPPED:
{
const {
views
} = this._getVisiblePages(),
pageLayout = new Map();
for (const {
id,
y,
percent,
widthPercent
} of views) {
if (percent === 0 || widthPercent < 100) {
continue;
}
let yArray = pageLayout.get(y);
if (!yArray) {
pageLayout.set(y, yArray || (yArray = []));
}
yArray.push(id);
}
for (const yArray of pageLayout.values()) {
const currentIndex = yArray.indexOf(currentPageNumber);
if (currentIndex === -1) {
continue;
}
const numPages = yArray.length;
if (numPages === 1) {
break;
}
if (previous) {
for (let i = currentIndex - 1, ii = 0; i >= ii; i--) {
const currentId = yArray[i],
expectedId = yArray[i + 1] - 1;
if (currentId < expectedId) {
return currentPageNumber - expectedId;
}
}
} else {
for (let i = currentIndex + 1, ii = numPages; i < ii; i++) {
const currentId = yArray[i],
expectedId = yArray[i - 1] + 1;
if (currentId > expectedId) {
return expectedId - currentPageNumber;
}
}
}
if (previous) {
const firstId = yArray[0];
if (firstId < currentPageNumber) {
return currentPageNumber - firstId + 1;
}
} else {
const lastId = yArray[numPages - 1];
if (lastId > currentPageNumber) {
return lastId - currentPageNumber + 1;
}
}
break;
}
break;
}
case _ui_utils.ScrollMode.HORIZONTAL:
{
break;
}
case _ui_utils.ScrollMode.VERTICAL:
{
if (this._spreadMode === _ui_utils.SpreadMode.NONE) {
break;
}
const parity = this._spreadMode - 1;
if (previous && currentPageNumber % 2 !== parity) {
break;
} else if (!previous && currentPageNumber % 2 === parity) {
break;
}
const {
views
} = this._getVisiblePages(),
expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1;
for (const {
id,
percent,
widthPercent
} of views) {
if (id !== expectedId) {
continue;
}
if (percent > 0 && widthPercent === 100) {
return 2;
}
break;
}
break;
}
}
return 1;
}
nextPage() {
const currentPageNumber = this._currentPageNumber,
pagesCount = this.pagesCount;
if (currentPageNumber >= pagesCount) {
return false;
}
const advance = this._getPageAdvance(currentPageNumber, false) || 1;
this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount);
return true;
}
previousPage() {
const currentPageNumber = this._currentPageNumber;
if (currentPageNumber <= 1) {
return false;
}
const advance = this._getPageAdvance(currentPageNumber, true) || 1;
this.currentPageNumber = Math.max(currentPageNumber - advance, 1);
return true;
}
}
exports.BaseViewer = BaseViewer;
/***/ }),
/* 29 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.DefaultAnnotationLayerFactory = exports.AnnotationLayerBuilder = void 0;
var _pdfjsLib = __webpack_require__(5);
var _l10n_utils = __webpack_require__(30);
var _pdf_link_service = __webpack_require__(19);
class AnnotationLayerBuilder {
constructor({
pageDiv,
pdfPage,
linkService,
downloadManager,
annotationStorage = null,
imageResourcesPath = "",
renderInteractiveForms = true,
l10n = _l10n_utils.NullL10n,
enableScripting = false,
hasJSActionsPromise = null,
mouseState = null
}) {
this.pageDiv = pageDiv;
this.pdfPage = pdfPage;
this.linkService = linkService;
this.downloadManager = downloadManager;
this.imageResourcesPath = imageResourcesPath;
this.renderInteractiveForms = renderInteractiveForms;
this.l10n = l10n;
this.annotationStorage = annotationStorage;
this.enableScripting = enableScripting;
this._hasJSActionsPromise = hasJSActionsPromise;
this._mouseState = mouseState;
this.div = null;
this._cancelled = false;
}
render(viewport, intent = "display") {
return Promise.all([this.pdfPage.getAnnotations({
intent
}), this._hasJSActionsPromise]).then(([annotations, hasJSActions = false]) => {
if (this._cancelled) {
return;
}
if (annotations.length === 0) {
return;
}
const parameters = {
viewport: viewport.clone({
dontFlip: true
}),
div: this.div,
annotations,
page: this.pdfPage,
imageResourcesPath: this.imageResourcesPath,
renderInteractiveForms: this.renderInteractiveForms,
linkService: this.linkService,
downloadManager: this.downloadManager,
annotationStorage: this.annotationStorage,
enableScripting: this.enableScripting,
hasJSActions,
mouseState: this._mouseState
};
if (this.div) {
_pdfjsLib.AnnotationLayer.update(parameters);
} else {
this.div = document.createElement("div");
this.div.className = "annotationLayer";
this.pageDiv.appendChild(this.div);
parameters.div = this.div;
_pdfjsLib.AnnotationLayer.render(parameters);
this.l10n.translate(this.div);
}
});
}
cancel() {
this._cancelled = true;
}
hide() {
if (!this.div) {
return;
}
this.div.hidden = true;
}
}
exports.AnnotationLayerBuilder = AnnotationLayerBuilder;
class DefaultAnnotationLayerFactory {
createAnnotationLayerBuilder(pageDiv, pdfPage, annotationStorage = null, imageResourcesPath = "", renderInteractiveForms = true, l10n = _l10n_utils.NullL10n, enableScripting = false, hasJSActionsPromise = null, mouseState = null) {
return new AnnotationLayerBuilder({
pageDiv,
pdfPage,
imageResourcesPath,
renderInteractiveForms,
linkService: new _pdf_link_service.SimpleLinkService(),
l10n,
annotationStorage,
enableScripting,
hasJSActionsPromise,
mouseState
});
}
}
exports.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
/***/ }),
/* 30 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.getL10nFallback = getL10nFallback;
exports.NullL10n = void 0;
const DEFAULT_L10N_STRINGS = {
of_pages: "of {{pagesCount}}",
page_of_pages: "({{pageNumber}} of {{pagesCount}})",
document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)",
document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)",
document_properties_date_string: "{{date}}, {{time}}",
document_properties_page_size_unit_inches: "in",
document_properties_page_size_unit_millimeters: "mm",
document_properties_page_size_orientation_portrait: "portrait",
document_properties_page_size_orientation_landscape: "landscape",
document_properties_page_size_name_a3: "A3",
document_properties_page_size_name_a4: "A4",
document_properties_page_size_name_letter: "Letter",
document_properties_page_size_name_legal: "Legal",
document_properties_page_size_dimension_string: "{{width}} × {{height}} {{unit}} ({{orientation}})",
document_properties_page_size_dimension_name_string: "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})",
document_properties_linearized_yes: "Yes",
document_properties_linearized_no: "No",
print_progress_percent: "{{progress}}%",
"toggle_sidebar.title": "Toggle Sidebar",
"toggle_sidebar_notification2.title": "Toggle Sidebar (document contains outline/attachments/layers)",
additional_layers: "Additional Layers",
page_landmark: "Page {{page}}",
thumb_page_title: "Page {{page}}",
thumb_page_canvas: "Thumbnail of Page {{page}}",
find_reached_top: "Reached top of document, continued from bottom",
find_reached_bottom: "Reached end of document, continued from top",
"find_match_count[one]": "{{current}} of {{total}} match",
"find_match_count[other]": "{{current}} of {{total}} matches",
"find_match_count_limit[one]": "More than {{limit}} match",
"find_match_count_limit[other]": "More than {{limit}} matches",
find_not_found: "Phrase not found",
error_version_info: "PDF.js v{{version}} (build: {{build}})",
error_message: "Message: {{message}}",
error_stack: "Stack: {{stack}}",
error_file: "File: {{file}}",
error_line: "Line: {{line}}",
rendering_error: "An error occurred while rendering the page.",
page_scale_width: "Page Width",
page_scale_fit: "Page Fit",
page_scale_auto: "Automatic Zoom",
page_scale_actual: "Actual Size",
page_scale_percent: "{{scale}}%",
loading: "Loading…",
loading_error: "An error occurred while loading the PDF.",
invalid_file_error: "Invalid or corrupted PDF file.",
missing_file_error: "Missing PDF file.",
unexpected_response_error: "Unexpected server response.",
printing_not_supported: "Warning: Printing is not fully supported by this browser.",
printing_not_ready: "Warning: The PDF is not fully loaded for printing.",
web_fonts_disabled: "Web fonts are disabled: unable to use embedded PDF fonts."
};
function getL10nFallback(key, args) {
switch (key) {
case "find_match_count":
key = `find_match_count[${args.total === 1 ? "one" : "other"}]`;
break;
case "find_match_count_limit":
key = `find_match_count_limit[${args.limit === 1 ? "one" : "other"}]`;
break;
}
return DEFAULT_L10N_STRINGS[key] || "";
}
function formatL10nValue(text, args) {
if (!args) {
return text;
}
return text.replace(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => {
return name in args ? args[name] : "{{" + name + "}}";
});
}
const NullL10n = {
async getLanguage() {
return "en-us";
},
async getDirection() {
return "ltr";
},
async get(key, args = null, fallback = getL10nFallback(key, args)) {
return formatL10nValue(fallback, args);
},
async translate(element) {}
};
exports.NullL10n = NullL10n;
/***/ }),
/* 31 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFPageView = void 0;
var _ui_utils = __webpack_require__(4);
var _pdfjsLib = __webpack_require__(5);
var _l10n_utils = __webpack_require__(30);
var _pdf_rendering_queue = __webpack_require__(8);
var _viewer_compatibility = __webpack_require__(2);
const MAX_CANVAS_PIXELS = _viewer_compatibility.viewerCompatibilityParams.maxCanvasPixels || 16777216;
class PDFPageView {
constructor(options) {
const container = options.container;
const defaultViewport = options.defaultViewport;
this.id = options.id;
this.renderingId = "page" + this.id;
this.pdfPage = null;
this.pageLabel = null;
this.rotation = 0;
this.scale = options.scale || _ui_utils.DEFAULT_SCALE;
this.viewport = defaultViewport;
this.pdfPageRotate = defaultViewport.rotation;
this._optionalContentConfigPromise = options.optionalContentConfigPromise || null;
this.hasRestrictedScaling = false;
this.textLayerMode = Number.isInteger(options.textLayerMode) ? options.textLayerMode : _ui_utils.TextLayerMode.ENABLE;
this.imageResourcesPath = options.imageResourcesPath || "";
this.renderInteractiveForms = options.renderInteractiveForms !== false;
this.useOnlyCssZoom = options.useOnlyCssZoom || false;
this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS;
this.eventBus = options.eventBus;
this.renderingQueue = options.renderingQueue;
this.textLayerFactory = options.textLayerFactory;
this.annotationLayerFactory = options.annotationLayerFactory;
this.xfaLayerFactory = options.xfaLayerFactory;
this.structTreeLayerFactory = options.structTreeLayerFactory;
this.renderer = options.renderer || _ui_utils.RendererType.CANVAS;
this.l10n = options.l10n || _l10n_utils.NullL10n;
this.paintTask = null;
this.paintedViewportMap = new WeakMap();
this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
this.resume = null;
this._renderError = null;
this.annotationLayer = null;
this.textLayer = null;
this.zoomLayer = null;
this.xfaLayer = null;
this.structTreeLayer = null;
const div = document.createElement("div");
div.className = "page";
div.style.width = Math.floor(this.viewport.width) + "px";
div.style.height = Math.floor(this.viewport.height) + "px";
div.setAttribute("data-page-number", this.id);
div.setAttribute("role", "region");
this.l10n.get("page_landmark", {
page: this.id
}).then(msg => {
div.setAttribute("aria-label", msg);
});
this.div = div;
container.appendChild(div);
}
setPdfPage(pdfPage) {
this.pdfPage = pdfPage;
this.pdfPageRotate = pdfPage.rotate;
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = pdfPage.getViewport({
scale: this.scale * _ui_utils.CSS_UNITS,
rotation: totalRotation
});
this.reset();
}
destroy() {
this.reset();
if (this.pdfPage) {
this.pdfPage.cleanup();
}
}
async _renderAnnotationLayer() {
let error = null;
try {
await this.annotationLayer.render(this.viewport, "display");
} catch (ex) {
error = ex;
} finally {
this.eventBus.dispatch("annotationlayerrendered", {
source: this,
pageNumber: this.id,
error
});
}
}
async _renderXfaLayer() {
let error = null;
try {
await this.xfaLayer.render(this.viewport, "display");
} catch (ex) {
error = ex;
} finally {
this.eventBus.dispatch("xfalayerrendered", {
source: this,
pageNumber: this.id,
error
});
}
}
_resetZoomLayer(removeFromDOM = false) {
if (!this.zoomLayer) {
return;
}
const zoomLayerCanvas = this.zoomLayer.firstChild;
this.paintedViewportMap.delete(zoomLayerCanvas);
zoomLayerCanvas.width = 0;
zoomLayerCanvas.height = 0;
if (removeFromDOM) {
this.zoomLayer.remove();
}
this.zoomLayer = null;
}
reset(keepZoomLayer = false, keepAnnotations = false) {
this.cancelRendering(keepAnnotations);
this.renderingState = _pdf_rendering_queue.RenderingStates.INITIAL;
const div = this.div;
div.style.width = Math.floor(this.viewport.width) + "px";
div.style.height = Math.floor(this.viewport.height) + "px";
const childNodes = div.childNodes;
const currentZoomLayerNode = keepZoomLayer && this.zoomLayer || null;
const currentAnnotationNode = keepAnnotations && this.annotationLayer?.div || null;
const currentXfaLayerNode = this.xfaLayer?.div || null;
for (let i = childNodes.length - 1; i >= 0; i--) {
const node = childNodes[i];
if (currentZoomLayerNode === node || currentAnnotationNode === node || currentXfaLayerNode === node) {
continue;
}
div.removeChild(node);
}
div.removeAttribute("data-loaded");
if (currentAnnotationNode) {
this.annotationLayer.hide();
} else if (this.annotationLayer) {
this.annotationLayer.cancel();
this.annotationLayer = null;
}
if (!currentZoomLayerNode) {
if (this.canvas) {
this.paintedViewportMap.delete(this.canvas);
this.canvas.width = 0;
this.canvas.height = 0;
delete this.canvas;
}
this._resetZoomLayer();
}
if (this.svg) {
this.paintedViewportMap.delete(this.svg);
delete this.svg;
}
this.loadingIconDiv = document.createElement("div");
this.loadingIconDiv.className = "loadingIcon";
this.loadingIconDiv.setAttribute("role", "img");
this.l10n.get("loading").then(msg => {
this.loadingIconDiv?.setAttribute("aria-label", msg);
});
div.appendChild(this.loadingIconDiv);
}
update(scale, rotation, optionalContentConfigPromise = null) {
this.scale = scale || this.scale;
if (typeof rotation !== "undefined") {
this.rotation = rotation;
}
if (optionalContentConfigPromise instanceof Promise) {
this._optionalContentConfigPromise = optionalContentConfigPromise;
}
const totalRotation = (this.rotation + this.pdfPageRotate) % 360;
this.viewport = this.viewport.clone({
scale: this.scale * _ui_utils.CSS_UNITS,
rotation: totalRotation
});
if (this.svg) {
this.cssTransform(this.svg, true);
this.eventBus.dispatch("pagerendered", {
source: this,
pageNumber: this.id,
cssTransform: true,
timestamp: performance.now(),
error: this._renderError
});
return;
}
let isScalingRestricted = false;
if (this.canvas && this.maxCanvasPixels > 0) {
const outputScale = this.outputScale;
if ((Math.floor(this.viewport.width) * outputScale.sx | 0) * (Math.floor(this.viewport.height) * outputScale.sy | 0) > this.maxCanvasPixels) {
isScalingRestricted = true;
}
}
if (this.canvas) {
if (this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted) {
this.cssTransform(this.canvas, true);
this.eventBus.dispatch("pagerendered", {
source: this,
pageNumber: this.id,
cssTransform: true,
timestamp: performance.now(),
error: this._renderError
});
return;
}
if (!this.zoomLayer && !this.canvas.hidden) {
this.zoomLayer = this.canvas.parentNode;
this.zoomLayer.style.position = "absolute";
}
}
if (this.zoomLayer) {
this.cssTransform(this.zoomLayer.firstChild);
}
this.reset(true, true);
}
cancelRendering(keepAnnotations = false) {
if (this.paintTask) {
this.paintTask.cancel();
this.paintTask = null;
}
this.resume = null;
if (this.textLayer) {
this.textLayer.cancel();
this.textLayer = null;
}
if (!keepAnnotations && this.annotationLayer) {
this.annotationLayer.cancel();
this.annotationLayer = null;
}
if (this._onTextLayerRendered) {
this.eventBus._off("textlayerrendered", this._onTextLayerRendered);
this._onTextLayerRendered = null;
}
}
cssTransform(target, redrawAnnotations = false) {
const width = this.viewport.width;
const height = this.viewport.height;
const div = this.div;
target.style.width = target.parentNode.style.width = div.style.width = Math.floor(width) + "px";
target.style.height = target.parentNode.style.height = div.style.height = Math.floor(height) + "px";
const relativeRotation = this.viewport.rotation - this.paintedViewportMap.get(target).rotation;
const absRotation = Math.abs(relativeRotation);
let scaleX = 1,
scaleY = 1;
if (absRotation === 90 || absRotation === 270) {
scaleX = height / width;
scaleY = width / height;
}
target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`;
if (this.textLayer) {
const textLayerViewport = this.textLayer.viewport;
const textRelativeRotation = this.viewport.rotation - textLayerViewport.rotation;
const textAbsRotation = Math.abs(textRelativeRotation);
let scale = width / textLayerViewport.width;
if (textAbsRotation === 90 || textAbsRotation === 270) {
scale = width / textLayerViewport.height;
}
const textLayerDiv = this.textLayer.textLayerDiv;
let transX, transY;
switch (textAbsRotation) {
case 0:
transX = transY = 0;
break;
case 90:
transX = 0;
transY = "-" + textLayerDiv.style.height;
break;
case 180:
transX = "-" + textLayerDiv.style.width;
transY = "-" + textLayerDiv.style.height;
break;
case 270:
transX = "-" + textLayerDiv.style.width;
transY = 0;
break;
default:
console.error("Bad rotation value.");
break;
}
textLayerDiv.style.transform = `rotate(${textAbsRotation}deg) ` + `scale(${scale}) ` + `translate(${transX}, ${transY})`;
textLayerDiv.style.transformOrigin = "0% 0%";
}
if (redrawAnnotations && this.annotationLayer) {
this._renderAnnotationLayer();
}
if (this.xfaLayer) {
this._renderXfaLayer();
}
}
get width() {
return this.viewport.width;
}
get height() {
return this.viewport.height;
}
getPagePoint(x, y) {
return this.viewport.convertToPdfPoint(x, y);
}
draw() {
if (this.renderingState !== _pdf_rendering_queue.RenderingStates.INITIAL) {
console.error("Must be in new state before drawing");
this.reset();
}
const {
div,
pdfPage
} = this;
if (!pdfPage) {
this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
if (this.loadingIconDiv) {
div.removeChild(this.loadingIconDiv);
delete this.loadingIconDiv;
}
return Promise.reject(new Error("pdfPage is not loaded"));
}
this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
const canvasWrapper = document.createElement("div");
canvasWrapper.style.width = div.style.width;
canvasWrapper.style.height = div.style.height;
canvasWrapper.classList.add("canvasWrapper");
if (this.annotationLayer?.div) {
div.insertBefore(canvasWrapper, this.annotationLayer.div);
} else {
div.appendChild(canvasWrapper);
}
let textLayer = null;
if (this.textLayerMode !== _ui_utils.TextLayerMode.DISABLE && this.textLayerFactory) {
const textLayerDiv = document.createElement("div");
textLayerDiv.className = "textLayer";
textLayerDiv.style.width = canvasWrapper.style.width;
textLayerDiv.style.height = canvasWrapper.style.height;
if (this.annotationLayer?.div) {
div.insertBefore(textLayerDiv, this.annotationLayer.div);
} else {
div.appendChild(textLayerDiv);
}
textLayer = this.textLayerFactory.createTextLayerBuilder(textLayerDiv, this.id - 1, this.viewport, this.textLayerMode === _ui_utils.TextLayerMode.ENABLE_ENHANCE, this.eventBus);
}
this.textLayer = textLayer;
let renderContinueCallback = null;
if (this.renderingQueue) {
renderContinueCallback = cont => {
if (!this.renderingQueue.isHighestPriority(this)) {
this.renderingState = _pdf_rendering_queue.RenderingStates.PAUSED;
this.resume = () => {
this.renderingState = _pdf_rendering_queue.RenderingStates.RUNNING;
cont();
};
return;
}
cont();
};
}
const finishPaintTask = async (error = null) => {
if (paintTask === this.paintTask) {
this.paintTask = null;
}
if (error instanceof _pdfjsLib.RenderingCancelledException) {
this._renderError = null;
return;
}
this._renderError = error;
this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
if (this.loadingIconDiv) {
div.removeChild(this.loadingIconDiv);
delete this.loadingIconDiv;
}
this._resetZoomLayer(true);
this.eventBus.dispatch("pagerendered", {
source: this,
pageNumber: this.id,
cssTransform: false,
timestamp: performance.now(),
error: this._renderError
});
if (error) {
throw error;
}
};
const paintTask = this.renderer === _ui_utils.RendererType.SVG ? this.paintOnSvg(canvasWrapper) : this.paintOnCanvas(canvasWrapper);
paintTask.onRenderContinue = renderContinueCallback;
this.paintTask = paintTask;
const resultPromise = paintTask.promise.then(() => {
return finishPaintTask(null).then(() => {
if (textLayer) {
const readableStream = pdfPage.streamTextContent({
normalizeWhitespace: true,
includeMarkedContent: true
});
textLayer.setTextContentStream(readableStream);
textLayer.render();
}
});
}, function (reason) {
return finishPaintTask(reason);
});
if (this.annotationLayerFactory) {
if (!this.annotationLayer) {
this.annotationLayer = this.annotationLayerFactory.createAnnotationLayerBuilder(div, pdfPage, null, this.imageResourcesPath, this.renderInteractiveForms, this.l10n, null, null, null);
}
this._renderAnnotationLayer();
}
if (this.xfaLayerFactory) {
if (!this.xfaLayer) {
this.xfaLayer = this.xfaLayerFactory.createXfaLayerBuilder(div, pdfPage, null);
}
this._renderXfaLayer();
}
if (this.structTreeLayerFactory && this.textLayer && this.canvas) {
this._onTextLayerRendered = event => {
if (event.pageNumber !== this.id) {
return;
}
this.eventBus._off("textlayerrendered", this._onTextLayerRendered);
this._onTextLayerRendered = null;
if (!this.canvas) {
return;
}
this.pdfPage.getStructTree().then(tree => {
if (!tree) {
return;
}
if (!this.canvas) {
return;
}
const treeDom = this.structTreeLayer.render(tree);
treeDom.classList.add("structTree");
this.canvas.appendChild(treeDom);
});
};
this.eventBus._on("textlayerrendered", this._onTextLayerRendered);
this.structTreeLayer = this.structTreeLayerFactory.createStructTreeLayerBuilder(pdfPage);
}
div.setAttribute("data-loaded", true);
this.eventBus.dispatch("pagerender", {
source: this,
pageNumber: this.id
});
return resultPromise;
}
paintOnCanvas(canvasWrapper) {
const renderCapability = (0, _pdfjsLib.createPromiseCapability)();
const result = {
promise: renderCapability.promise,
onRenderContinue(cont) {
cont();
},
cancel() {
renderTask.cancel();
}
};
const viewport = this.viewport;
const canvas = document.createElement("canvas");
canvas.hidden = true;
let isCanvasHidden = true;
const showCanvas = function () {
if (isCanvasHidden) {
canvas.hidden = false;
isCanvasHidden = false;
}
};
canvasWrapper.appendChild(canvas);
this.canvas = canvas;
canvas.mozOpaque = true;
const ctx = canvas.getContext("2d", {
alpha: false
});
const outputScale = (0, _ui_utils.getOutputScale)(ctx);
this.outputScale = outputScale;
if (this.useOnlyCssZoom) {
const actualSizeViewport = viewport.clone({
scale: _ui_utils.CSS_UNITS
});
outputScale.sx *= actualSizeViewport.width / viewport.width;
outputScale.sy *= actualSizeViewport.height / viewport.height;
outputScale.scaled = true;
}
if (this.maxCanvasPixels > 0) {
const pixelsInViewport = viewport.width * viewport.height;
const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport);
if (outputScale.sx > maxScale || outputScale.sy > maxScale) {
outputScale.sx = maxScale;
outputScale.sy = maxScale;
outputScale.scaled = true;
this.hasRestrictedScaling = true;
} else {
this.hasRestrictedScaling = false;
}
}
const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx);
const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy);
canvas.width = (0, _ui_utils.roundToDivide)(viewport.width * outputScale.sx, sfx[0]);
canvas.height = (0, _ui_utils.roundToDivide)(viewport.height * outputScale.sy, sfy[0]);
canvas.style.width = (0, _ui_utils.roundToDivide)(viewport.width, sfx[1]) + "px";
canvas.style.height = (0, _ui_utils.roundToDivide)(viewport.height, sfy[1]) + "px";
this.paintedViewportMap.set(canvas, viewport);
const transform = !outputScale.scaled ? null : [outputScale.sx, 0, 0, outputScale.sy, 0, 0];
const renderContext = {
canvasContext: ctx,
transform,
viewport: this.viewport,
renderInteractiveForms: this.renderInteractiveForms,
optionalContentConfigPromise: this._optionalContentConfigPromise
};
const renderTask = this.pdfPage.render(renderContext);
renderTask.onContinue = function (cont) {
showCanvas();
if (result.onRenderContinue) {
result.onRenderContinue(cont);
} else {
cont();
}
};
renderTask.promise.then(function () {
showCanvas();
renderCapability.resolve(undefined);
}, function (error) {
showCanvas();
renderCapability.reject(error);
});
return result;
}
paintOnSvg(wrapper) {
let cancelled = false;
const ensureNotCancelled = () => {
if (cancelled) {
throw new _pdfjsLib.RenderingCancelledException(`Rendering cancelled, page ${this.id}`, "svg");
}
};
const pdfPage = this.pdfPage;
const actualSizeViewport = this.viewport.clone({
scale: _ui_utils.CSS_UNITS
});
const promise = pdfPage.getOperatorList().then(opList => {
ensureNotCancelled();
const svgGfx = new _pdfjsLib.SVGGraphics(pdfPage.commonObjs, pdfPage.objs, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL);
return svgGfx.getSVG(opList, actualSizeViewport).then(svg => {
ensureNotCancelled();
this.svg = svg;
this.paintedViewportMap.set(svg, actualSizeViewport);
svg.style.width = wrapper.style.width;
svg.style.height = wrapper.style.height;
this.renderingState = _pdf_rendering_queue.RenderingStates.FINISHED;
wrapper.appendChild(svg);
});
});
return {
promise,
onRenderContinue(cont) {
cont();
},
cancel() {
cancelled = true;
}
};
}
setPageLabel(label) {
this.pageLabel = typeof label === "string" ? label : null;
if (this.pageLabel !== null) {
this.div.setAttribute("data-page-label", this.pageLabel);
} else {
this.div.removeAttribute("data-page-label");
}
}
}
exports.PDFPageView = PDFPageView;
/***/ }),
/* 32 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.StructTreeLayerBuilder = exports.DefaultStructTreeLayerFactory = void 0;
const PDF_ROLE_TO_HTML_ROLE = {
Document: null,
DocumentFragment: null,
Part: "group",
Sect: "group",
Div: "group",
Aside: "note",
NonStruct: "none",
P: null,
H: "heading",
Title: null,
FENote: "note",
Sub: "group",
Lbl: null,
Span: null,
Em: null,
Strong: null,
Link: "link",
Annot: "note",
Form: "form",
Ruby: null,
RB: null,
RT: null,
RP: null,
Warichu: null,
WT: null,
WP: null,
L: "list",
LI: "listitem",
LBody: null,
Table: "table",
TR: "row",
TH: "columnheader",
TD: "cell",
THead: "columnheader",
TBody: null,
TFoot: null,
Caption: null,
Figure: "figure",
Formula: null,
Artifact: null
};
const HEADING_PATTERN = /^H(\d+)$/;
class StructTreeLayerBuilder {
constructor({
pdfPage
}) {
this.pdfPage = pdfPage;
}
render(structTree) {
return this._walk(structTree);
}
_setAttributes(structElement, htmlElement) {
if (structElement.alt !== undefined) {
htmlElement.setAttribute("aria-label", structElement.alt);
}
if (structElement.id !== undefined) {
htmlElement.setAttribute("aria-owns", structElement.id);
}
}
_walk(node) {
if (!node) {
return null;
}
const element = document.createElement("span");
if ("role" in node) {
const {
role
} = node;
const match = role.match(HEADING_PATTERN);
if (match) {
element.setAttribute("role", "heading");
element.setAttribute("aria-level", match[1]);
} else if (PDF_ROLE_TO_HTML_ROLE[role]) {
element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]);
}
}
this._setAttributes(node, element);
if (node.children) {
if (node.children.length === 1 && "id" in node.children[0]) {
this._setAttributes(node.children[0], element);
} else {
for (const kid of node.children) {
element.appendChild(this._walk(kid));
}
}
}
return element;
}
}
exports.StructTreeLayerBuilder = StructTreeLayerBuilder;
class DefaultStructTreeLayerFactory {
createStructTreeLayerBuilder(pdfPage) {
return new StructTreeLayerBuilder({
pdfPage
});
}
}
exports.DefaultStructTreeLayerFactory = DefaultStructTreeLayerFactory;
/***/ }),
/* 33 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.TextLayerBuilder = exports.DefaultTextLayerFactory = void 0;
var _pdfjsLib = __webpack_require__(5);
const EXPAND_DIVS_TIMEOUT = 300;
class TextLayerBuilder {
constructor({
textLayerDiv,
eventBus,
pageIndex,
viewport,
findController = null,
enhanceTextSelection = false
}) {
this.textLayerDiv = textLayerDiv;
this.eventBus = eventBus;
this.textContent = null;
this.textContentItemsStr = [];
this.textContentStream = null;
this.renderingDone = false;
this.pageIdx = pageIndex;
this.pageNumber = this.pageIdx + 1;
this.matches = [];
this.viewport = viewport;
this.textDivs = [];
this.findController = findController;
this.textLayerRenderTask = null;
this.enhanceTextSelection = enhanceTextSelection;
this._onUpdateTextLayerMatches = null;
this._bindMouse();
}
_finishRendering() {
this.renderingDone = true;
if (!this.enhanceTextSelection) {
const endOfContent = document.createElement("div");
endOfContent.className = "endOfContent";
this.textLayerDiv.appendChild(endOfContent);
}
this.eventBus.dispatch("textlayerrendered", {
source: this,
pageNumber: this.pageNumber,
numTextDivs: this.textDivs.length
});
}
render(timeout = 0) {
if (!(this.textContent || this.textContentStream) || this.renderingDone) {
return;
}
this.cancel();
this.textDivs = [];
const textLayerFrag = document.createDocumentFragment();
this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({
textContent: this.textContent,
textContentStream: this.textContentStream,
container: textLayerFrag,
viewport: this.viewport,
textDivs: this.textDivs,
textContentItemsStr: this.textContentItemsStr,
timeout,
enhanceTextSelection: this.enhanceTextSelection
});
this.textLayerRenderTask.promise.then(() => {
this.textLayerDiv.appendChild(textLayerFrag);
this._finishRendering();
this._updateMatches();
}, function (reason) {});
if (!this._onUpdateTextLayerMatches) {
this._onUpdateTextLayerMatches = evt => {
if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) {
this._updateMatches();
}
};
this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches);
}
}
cancel() {
if (this.textLayerRenderTask) {
this.textLayerRenderTask.cancel();
this.textLayerRenderTask = null;
}
if (this._onUpdateTextLayerMatches) {
this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches);
this._onUpdateTextLayerMatches = null;
}
}
setTextContentStream(readableStream) {
this.cancel();
this.textContentStream = readableStream;
}
setTextContent(textContent) {
this.cancel();
this.textContent = textContent;
}
_convertMatches(matches, matchesLength) {
if (!matches) {
return [];
}
const {
textContentItemsStr
} = this;
let i = 0,
iIndex = 0;
const end = textContentItemsStr.length - 1;
const result = [];
for (let m = 0, mm = matches.length; m < mm; m++) {
let matchIdx = matches[m];
while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) {
iIndex += textContentItemsStr[i].length;
i++;
}
if (i === textContentItemsStr.length) {
console.error("Could not find a matching mapping");
}
const match = {
begin: {
divIdx: i,
offset: matchIdx - iIndex
}
};
matchIdx += matchesLength[m];
while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) {
iIndex += textContentItemsStr[i].length;
i++;
}
match.end = {
divIdx: i,
offset: matchIdx - iIndex
};
result.push(match);
}
return result;
}
_renderMatches(matches) {
if (matches.length === 0) {
return;
}
const {
findController,
pageIdx,
textContentItemsStr,
textDivs
} = this;
const isSelectedPage = pageIdx === findController.selected.pageIdx;
const selectedMatchIdx = findController.selected.matchIdx;
const highlightAll = findController.state.highlightAll;
let prevEnd = null;
const infinity = {
divIdx: -1,
offset: undefined
};
function beginText(begin, className) {
const divIdx = begin.divIdx;
textDivs[divIdx].textContent = "";
appendTextToDiv(divIdx, 0, begin.offset, className);
}
function appendTextToDiv(divIdx, fromOffset, toOffset, className) {
const div = textDivs[divIdx];
const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset);
const node = document.createTextNode(content);
if (className) {
const span = document.createElement("span");
span.className = className;
span.appendChild(node);
div.appendChild(span);
return;
}
div.appendChild(node);
}
let i0 = selectedMatchIdx,
i1 = i0 + 1;
if (highlightAll) {
i0 = 0;
i1 = matches.length;
} else if (!isSelectedPage) {
return;
}
for (let i = i0; i < i1; i++) {
const match = matches[i];
const begin = match.begin;
const end = match.end;
const isSelected = isSelectedPage && i === selectedMatchIdx;
const highlightSuffix = isSelected ? " selected" : "";
if (isSelected) {
findController.scrollMatchIntoView({
element: textDivs[begin.divIdx],
pageIndex: pageIdx,
matchIndex: selectedMatchIdx
});
}
if (!prevEnd || begin.divIdx !== prevEnd.divIdx) {
if (prevEnd !== null) {
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
}
beginText(begin);
} else {
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset);
}
if (begin.divIdx === end.divIdx) {
appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix);
} else {
appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix);
for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) {
textDivs[n0].className = "highlight middle" + highlightSuffix;
}
beginText(end, "highlight end" + highlightSuffix);
}
prevEnd = end;
}
if (prevEnd) {
appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset);
}
}
_updateMatches() {
if (!this.renderingDone) {
return;
}
const {
findController,
matches,
pageIdx,
textContentItemsStr,
textDivs
} = this;
let clearedUntilDivIdx = -1;
for (let i = 0, ii = matches.length; i < ii; i++) {
const match = matches[i];
const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx);
for (let n = begin, end = match.end.divIdx; n <= end; n++) {
const div = textDivs[n];
div.textContent = textContentItemsStr[n];
div.className = "";
}
clearedUntilDivIdx = match.end.divIdx + 1;
}
if (!findController?.highlightMatches) {
return;
}
const pageMatches = findController.pageMatches[pageIdx] || null;
const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null;
this.matches = this._convertMatches(pageMatches, pageMatchesLength);
this._renderMatches(this.matches);
}
_bindMouse() {
const div = this.textLayerDiv;
let expandDivsTimer = null;
div.addEventListener("mousedown", evt => {
if (this.enhanceTextSelection && this.textLayerRenderTask) {
this.textLayerRenderTask.expandTextDivs(true);
if (expandDivsTimer) {
clearTimeout(expandDivsTimer);
expandDivsTimer = null;
}
return;
}
const end = div.querySelector(".endOfContent");
if (!end) {
return;
}
let adjustTop = evt.target !== div;
adjustTop = adjustTop && window.getComputedStyle(end).getPropertyValue("-moz-user-select") !== "none";
if (adjustTop) {
const divBounds = div.getBoundingClientRect();
const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height);
end.style.top = (r * 100).toFixed(2) + "%";
}
end.classList.add("active");
});
div.addEventListener("mouseup", () => {
if (this.enhanceTextSelection && this.textLayerRenderTask) {
expandDivsTimer = setTimeout(() => {
if (this.textLayerRenderTask) {
this.textLayerRenderTask.expandTextDivs(false);
}
expandDivsTimer = null;
}, EXPAND_DIVS_TIMEOUT);
return;
}
const end = div.querySelector(".endOfContent");
if (!end) {
return;
}
end.style.top = "";
end.classList.remove("active");
});
}
}
exports.TextLayerBuilder = TextLayerBuilder;
class DefaultTextLayerFactory {
createTextLayerBuilder(textLayerDiv, pageIndex, viewport, enhanceTextSelection = false, eventBus) {
return new TextLayerBuilder({
textLayerDiv,
pageIndex,
viewport,
enhanceTextSelection,
eventBus
});
}
}
exports.DefaultTextLayerFactory = DefaultTextLayerFactory;
/***/ }),
/* 34 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.XfaLayerBuilder = exports.DefaultXfaLayerFactory = void 0;
var _pdfjsLib = __webpack_require__(5);
class XfaLayerBuilder {
constructor({
pageDiv,
pdfPage,
annotationStorage
}) {
this.pageDiv = pageDiv;
this.pdfPage = pdfPage;
this.annotationStorage = annotationStorage;
this.div = null;
this._cancelled = false;
}
render(viewport, intent = "display") {
return this.pdfPage.getXfa().then(xfa => {
if (this._cancelled) {
return;
}
const parameters = {
viewport: viewport.clone({
dontFlip: true
}),
div: this.div,
xfa,
page: this.pdfPage,
annotationStorage: this.annotationStorage
};
if (this.div) {
_pdfjsLib.XfaLayer.update(parameters);
} else {
this.div = document.createElement("div");
this.pageDiv.appendChild(this.div);
parameters.div = this.div;
_pdfjsLib.XfaLayer.render(parameters);
}
}).catch(error => {
console.error(error);
});
}
cancel() {
this._cancelled = true;
}
hide() {
if (!this.div) {
return;
}
this.div.hidden = true;
}
}
exports.XfaLayerBuilder = XfaLayerBuilder;
class DefaultXfaLayerFactory {
createXfaLayerBuilder(pageDiv, pdfPage, annotationStorage = null) {
return new XfaLayerBuilder({
pageDiv,
pdfPage,
annotationStorage
});
}
}
exports.DefaultXfaLayerFactory = DefaultXfaLayerFactory;
/***/ }),
/* 35 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.SecondaryToolbar = void 0;
var _ui_utils = __webpack_require__(4);
var _pdf_cursor_tools = __webpack_require__(6);
var _pdf_single_page_viewer = __webpack_require__(36);
class SecondaryToolbar {
constructor(options, mainContainer, eventBus) {
this.toolbar = options.toolbar;
this.toggleButton = options.toggleButton;
this.toolbarButtonContainer = options.toolbarButtonContainer;
this.buttons = [{
element: options.presentationModeButton,
eventName: "presentationmode",
close: true
}, {
element: options.openFileButton,
eventName: "openfile",
close: true
}, {
element: options.printButton,
eventName: "print",
close: true
}, {
element: options.downloadButton,
eventName: "download",
close: true
}, {
element: options.viewBookmarkButton,
eventName: null,
close: true
}, {
element: options.firstPageButton,
eventName: "firstpage",
close: true
}, {
element: options.lastPageButton,
eventName: "lastpage",
close: true
}, {
element: options.pageRotateCwButton,
eventName: "rotatecw",
close: false
}, {
element: options.pageRotateCcwButton,
eventName: "rotateccw",
close: false
}, {
element: options.cursorSelectToolButton,
eventName: "switchcursortool",
eventDetails: {
tool: _pdf_cursor_tools.CursorTool.SELECT
},
close: true
}, {
element: options.cursorHandToolButton,
eventName: "switchcursortool",
eventDetails: {
tool: _pdf_cursor_tools.CursorTool.HAND
},
close: true
}, {
element: options.scrollVerticalButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.VERTICAL
},
close: true
}, {
element: options.scrollHorizontalButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.HORIZONTAL
},
close: true
}, {
element: options.scrollWrappedButton,
eventName: "switchscrollmode",
eventDetails: {
mode: _ui_utils.ScrollMode.WRAPPED
},
close: true
}, {
element: options.spreadNoneButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.NONE
},
close: true
}, {
element: options.spreadOddButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.ODD
},
close: true
}, {
element: options.spreadEvenButton,
eventName: "switchspreadmode",
eventDetails: {
mode: _ui_utils.SpreadMode.EVEN
},
close: true
}, {
element: options.documentPropertiesButton,
eventName: "documentproperties",
close: true
}];
this.items = {
firstPage: options.firstPageButton,
lastPage: options.lastPageButton,
pageRotateCw: options.pageRotateCwButton,
pageRotateCcw: options.pageRotateCcwButton
};
this.mainContainer = mainContainer;
this.eventBus = eventBus;
this.opened = false;
this.containerHeight = null;
this.previousContainerHeight = null;
this.reset();
this._bindClickListeners();
this._bindCursorToolsListener(options);
this._bindScrollModeListener(options);
this._bindSpreadModeListener(options);
this.eventBus._on("resize", this._setMaxHeight.bind(this));
this.eventBus._on("baseviewerinit", evt => {
if (evt.source instanceof _pdf_single_page_viewer.PDFSinglePageViewer) {
this.toolbarButtonContainer.classList.add("hiddenScrollModeButtons", "hiddenSpreadModeButtons");
} else {
this.toolbarButtonContainer.classList.remove("hiddenScrollModeButtons", "hiddenSpreadModeButtons");
}
});
}
get isOpen() {
return this.opened;
}
setPageNumber(pageNumber) {
this.pageNumber = pageNumber;
this._updateUIState();
}
setPagesCount(pagesCount) {
this.pagesCount = pagesCount;
this._updateUIState();
}
reset() {
this.pageNumber = 0;
this.pagesCount = 0;
this._updateUIState();
this.eventBus.dispatch("secondarytoolbarreset", {
source: this
});
}
_updateUIState() {
this.items.firstPage.disabled = this.pageNumber <= 1;
this.items.lastPage.disabled = this.pageNumber >= this.pagesCount;
this.items.pageRotateCw.disabled = this.pagesCount === 0;
this.items.pageRotateCcw.disabled = this.pagesCount === 0;
}
_bindClickListeners() {
this.toggleButton.addEventListener("click", this.toggle.bind(this));
for (const {
element,
eventName,
close,
eventDetails
} of this.buttons) {
element.addEventListener("click", evt => {
if (eventName !== null) {
const details = {
source: this
};
for (const property in eventDetails) {
details[property] = eventDetails[property];
}
this.eventBus.dispatch(eventName, details);
}
if (close) {
this.close();
}
});
}
}
_bindCursorToolsListener(buttons) {
this.eventBus._on("cursortoolchanged", function ({
tool
}) {
buttons.cursorSelectToolButton.classList.toggle("toggled", tool === _pdf_cursor_tools.CursorTool.SELECT);
buttons.cursorHandToolButton.classList.toggle("toggled", tool === _pdf_cursor_tools.CursorTool.HAND);
});
}
_bindScrollModeListener(buttons) {
function scrollModeChanged({
mode
}) {
buttons.scrollVerticalButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.VERTICAL);
buttons.scrollHorizontalButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.HORIZONTAL);
buttons.scrollWrappedButton.classList.toggle("toggled", mode === _ui_utils.ScrollMode.WRAPPED);
const isScrollModeHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL;
buttons.spreadNoneButton.disabled = isScrollModeHorizontal;
buttons.spreadOddButton.disabled = isScrollModeHorizontal;
buttons.spreadEvenButton.disabled = isScrollModeHorizontal;
}
this.eventBus._on("scrollmodechanged", scrollModeChanged);
this.eventBus._on("secondarytoolbarreset", evt => {
if (evt.source === this) {
scrollModeChanged({
mode: _ui_utils.ScrollMode.VERTICAL
});
}
});
}
_bindSpreadModeListener(buttons) {
function spreadModeChanged({
mode
}) {
buttons.spreadNoneButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.NONE);
buttons.spreadOddButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.ODD);
buttons.spreadEvenButton.classList.toggle("toggled", mode === _ui_utils.SpreadMode.EVEN);
}
this.eventBus._on("spreadmodechanged", spreadModeChanged);
this.eventBus._on("secondarytoolbarreset", evt => {
if (evt.source === this) {
spreadModeChanged({
mode: _ui_utils.SpreadMode.NONE
});
}
});
}
open() {
if (this.opened) {
return;
}
this.opened = true;
this._setMaxHeight();
this.toggleButton.classList.add("toggled");
this.toggleButton.setAttribute("aria-expanded", "true");
this.toolbar.classList.remove("hidden");
}
close() {
if (!this.opened) {
return;
}
this.opened = false;
this.toolbar.classList.add("hidden");
this.toggleButton.classList.remove("toggled");
this.toggleButton.setAttribute("aria-expanded", "false");
}
toggle() {
if (this.opened) {
this.close();
} else {
this.open();
}
}
_setMaxHeight() {
if (!this.opened) {
return;
}
this.containerHeight = this.mainContainer.clientHeight;
if (this.containerHeight === this.previousContainerHeight) {
return;
}
this.toolbarButtonContainer.style.maxHeight = `${this.containerHeight - _ui_utils.SCROLLBAR_PADDING}px`;
this.previousContainerHeight = this.containerHeight;
}
}
exports.SecondaryToolbar = SecondaryToolbar;
/***/ }),
/* 36 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFSinglePageViewer = void 0;
var _base_viewer = __webpack_require__(28);
var _pdfjsLib = __webpack_require__(5);
class PDFSinglePageViewer extends _base_viewer.BaseViewer {
constructor(options) {
super(options);
this.eventBus._on("pagesinit", evt => {
this._ensurePageViewVisible();
});
}
get _viewerElement() {
return (0, _pdfjsLib.shadow)(this, "_viewerElement", this._shadowViewer);
}
get _pageWidthScaleFactor() {
return 1;
}
_resetView() {
super._resetView();
this._previousPageNumber = 1;
this._shadowViewer = document.createDocumentFragment();
this._updateScrollDown = null;
}
_ensurePageViewVisible() {
const pageView = this._pages[this._currentPageNumber - 1];
const previousPageView = this._pages[this._previousPageNumber - 1];
const viewerNodes = this.viewer.childNodes;
switch (viewerNodes.length) {
case 0:
this.viewer.appendChild(pageView.div);
break;
case 1:
if (viewerNodes[0] !== previousPageView.div) {
throw new Error("_ensurePageViewVisible: Unexpected previously visible page.");
}
if (pageView === previousPageView) {
break;
}
this._shadowViewer.appendChild(previousPageView.div);
this.viewer.appendChild(pageView.div);
this.container.scrollTop = 0;
break;
default:
throw new Error("_ensurePageViewVisible: Only one page should be visible at a time.");
}
this._previousPageNumber = this._currentPageNumber;
}
_scrollUpdate() {
if (this._updateScrollDown) {
this._updateScrollDown();
}
super._scrollUpdate();
}
_scrollIntoView({
pageDiv,
pageSpot = null,
pageNumber = null
}) {
if (pageNumber) {
this._setCurrentPageNumber(pageNumber);
}
const scrolledDown = this._currentPageNumber >= this._previousPageNumber;
this._ensurePageViewVisible();
this.update();
super._scrollIntoView({
pageDiv,
pageSpot,
pageNumber
});
this._updateScrollDown = () => {
this.scroll.down = scrolledDown;
this._updateScrollDown = null;
};
}
_getVisiblePages() {
return this._getCurrentVisiblePage();
}
_updateHelper(visiblePages) {}
get _isScrollModeHorizontal() {
return (0, _pdfjsLib.shadow)(this, "_isScrollModeHorizontal", false);
}
_updateScrollMode() {}
_updateSpreadMode() {}
_getPageAdvance() {
return 1;
}
}
exports.PDFSinglePageViewer = PDFSinglePageViewer;
/***/ }),
/* 37 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.Toolbar = void 0;
var _ui_utils = __webpack_require__(4);
const PAGE_NUMBER_LOADING_INDICATOR = "visiblePageIsLoading";
const SCALE_SELECT_CONTAINER_WIDTH = 140;
const SCALE_SELECT_WIDTH = 162;
class Toolbar {
constructor(options, eventBus, l10n) {
this.toolbar = options.container;
this.eventBus = eventBus;
this.l10n = l10n;
this.buttons = [{
element: options.previous,
eventName: "previouspage"
}, {
element: options.next,
eventName: "nextpage"
}, {
element: options.zoomIn,
eventName: "zoomin"
}, {
element: options.zoomOut,
eventName: "zoomout"
}, {
element: options.openFile,
eventName: "openfile"
}, {
element: options.print,
eventName: "print"
}, {
element: options.presentationModeButton,
eventName: "presentationmode"
}, {
element: options.download,
eventName: "download"
}, {
element: options.viewBookmark,
eventName: null
}];
this.items = {
numPages: options.numPages,
pageNumber: options.pageNumber,
scaleSelectContainer: options.scaleSelectContainer,
scaleSelect: options.scaleSelect,
customScaleOption: options.customScaleOption,
previous: options.previous,
next: options.next,
zoomIn: options.zoomIn,
zoomOut: options.zoomOut
};
this._wasLocalized = false;
this.reset();
this._bindListeners();
}
setPageNumber(pageNumber, pageLabel) {
this.pageNumber = pageNumber;
this.pageLabel = pageLabel;
this._updateUIState(false);
}
setPagesCount(pagesCount, hasPageLabels) {
this.pagesCount = pagesCount;
this.hasPageLabels = hasPageLabels;
this._updateUIState(true);
}
setPageScale(pageScaleValue, pageScale) {
this.pageScaleValue = (pageScaleValue || pageScale).toString();
this.pageScale = pageScale;
this._updateUIState(false);
}
reset() {
this.pageNumber = 0;
this.pageLabel = null;
this.hasPageLabels = false;
this.pagesCount = 0;
this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE;
this.pageScale = _ui_utils.DEFAULT_SCALE;
this._updateUIState(true);
this.updateLoadingIndicatorState();
}
_bindListeners() {
const {
pageNumber,
scaleSelect
} = this.items;
const self = this;
for (const {
element,
eventName
} of this.buttons) {
element.addEventListener("click", evt => {
if (eventName !== null) {
this.eventBus.dispatch(eventName, {
source: this
});
}
});
}
pageNumber.addEventListener("click", function () {
this.select();
});
pageNumber.addEventListener("change", function () {
self.eventBus.dispatch("pagenumberchanged", {
source: self,
value: this.value
});
});
scaleSelect.addEventListener("change", function () {
if (this.value === "custom") {
return;
}
self.eventBus.dispatch("scalechanged", {
source: self,
value: this.value
});
});
scaleSelect.addEventListener("click", function (evt) {
const target = evt.target;
if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") {
this.blur();
}
});
scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler;
this.eventBus._on("localized", () => {
this._wasLocalized = true;
this._adjustScaleWidth();
this._updateUIState(true);
});
}
_updateUIState(resetNumPages = false) {
if (!this._wasLocalized) {
return;
}
const {
pageNumber,
pagesCount,
pageScaleValue,
pageScale,
items
} = this;
if (resetNumPages) {
if (this.hasPageLabels) {
items.pageNumber.type = "text";
} else {
items.pageNumber.type = "number";
this.l10n.get("of_pages", {
pagesCount
}).then(msg => {
items.numPages.textContent = msg;
});
}
items.pageNumber.max = pagesCount;
}
if (this.hasPageLabels) {
items.pageNumber.value = this.pageLabel;
this.l10n.get("page_of_pages", {
pageNumber,
pagesCount
}).then(msg => {
items.numPages.textContent = msg;
});
} else {
items.pageNumber.value = pageNumber;
}
items.previous.disabled = pageNumber <= 1;
items.next.disabled = pageNumber >= pagesCount;
items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE;
items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE;
this.l10n.get("page_scale_percent", {
scale: Math.round(pageScale * 10000) / 100
}).then(msg => {
let predefinedValueFound = false;
for (const option of items.scaleSelect.options) {
if (option.value !== pageScaleValue) {
option.selected = false;
continue;
}
option.selected = true;
predefinedValueFound = true;
}
if (!predefinedValueFound) {
items.customScaleOption.textContent = msg;
items.customScaleOption.selected = true;
}
});
}
updateLoadingIndicatorState(loading = false) {
const pageNumberInput = this.items.pageNumber;
pageNumberInput.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading);
}
async _adjustScaleWidth() {
const {
items,
l10n
} = this;
const predefinedValuesPromise = Promise.all([l10n.get("page_scale_auto"), l10n.get("page_scale_actual"), l10n.get("page_scale_fit"), l10n.get("page_scale_width")]);
let canvas = document.createElement("canvas");
canvas.mozOpaque = true;
let ctx = canvas.getContext("2d", {
alpha: false
});
await _ui_utils.animationStarted;
const {
fontSize,
fontFamily
} = getComputedStyle(items.scaleSelect);
ctx.font = `${fontSize} ${fontFamily}`;
let maxWidth = 0;
for (const predefinedValue of await predefinedValuesPromise) {
const {
width
} = ctx.measureText(predefinedValue);
if (width > maxWidth) {
maxWidth = width;
}
}
const overflow = SCALE_SELECT_WIDTH - SCALE_SELECT_CONTAINER_WIDTH;
maxWidth += 2 * overflow;
if (maxWidth > SCALE_SELECT_CONTAINER_WIDTH) {
items.scaleSelect.style.width = `${maxWidth + overflow}px`;
items.scaleSelectContainer.style.width = `${maxWidth}px`;
}
canvas.width = 0;
canvas.height = 0;
canvas = ctx = null;
}
}
exports.Toolbar = Toolbar;
/***/ }),
/* 38 */
/***/ ((__unused_webpack_module, exports) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.ViewHistory = void 0;
const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20;
class ViewHistory {
constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) {
this.fingerprint = fingerprint;
this.cacheSize = cacheSize;
this._initializedPromise = this._readFromStorage().then(databaseStr => {
const database = JSON.parse(databaseStr || "{}");
let index = -1;
if (!Array.isArray(database.files)) {
database.files = [];
} else {
while (database.files.length >= this.cacheSize) {
database.files.shift();
}
for (let i = 0, ii = database.files.length; i < ii; i++) {
const branch = database.files[i];
if (branch.fingerprint === this.fingerprint) {
index = i;
break;
}
}
}
if (index === -1) {
index = database.files.push({
fingerprint: this.fingerprint
}) - 1;
}
this.file = database.files[index];
this.database = database;
});
}
async _writeToStorage() {
const databaseStr = JSON.stringify(this.database);
localStorage.setItem("pdfjs.history", databaseStr);
}
async _readFromStorage() {
return localStorage.getItem("pdfjs.history");
}
async set(name, val) {
await this._initializedPromise;
this.file[name] = val;
return this._writeToStorage();
}
async setMultiple(properties) {
await this._initializedPromise;
for (const name in properties) {
this.file[name] = properties[name];
}
return this._writeToStorage();
}
async get(name, defaultValue) {
await this._initializedPromise;
const val = this.file[name];
return val !== undefined ? val : defaultValue;
}
async getMultiple(properties) {
await this._initializedPromise;
const values = Object.create(null);
for (const name in properties) {
const val = this.file[name];
values[name] = val !== undefined ? val : properties[name];
}
return values;
}
}
exports.ViewHistory = ViewHistory;
/***/ }),
/* 39 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.GenericCom = void 0;
var _app = __webpack_require__(3);
var _preferences = __webpack_require__(40);
var _download_manager = __webpack_require__(41);
var _genericl10n = __webpack_require__(42);
var _generic_scripting = __webpack_require__(44);
;
const GenericCom = {};
exports.GenericCom = GenericCom;
class GenericPreferences extends _preferences.BasePreferences {
async _writeToStorage(prefObj) {
localStorage.setItem("pdfjs.preferences", JSON.stringify(prefObj));
}
async _readFromStorage(prefObj) {
return JSON.parse(localStorage.getItem("pdfjs.preferences"));
}
}
class GenericExternalServices extends _app.DefaultExternalServices {
static createDownloadManager(options) {
return new _download_manager.DownloadManager();
}
static createPreferences() {
return new GenericPreferences();
}
static createL10n({
locale = "en-US"
}) {
return new _genericl10n.GenericL10n(locale);
}
static createScripting({
sandboxBundleSrc
}) {
return new _generic_scripting.GenericScripting(sandboxBundleSrc);
}
}
_app.PDFViewerApplication.externalServices = GenericExternalServices;
/***/ }),
/* 40 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.BasePreferences = void 0;
var _app_options = __webpack_require__(1);
class BasePreferences {
constructor() {
if (this.constructor === BasePreferences) {
throw new Error("Cannot initialize BasePreferences.");
}
Object.defineProperty(this, "defaults", {
value: Object.freeze({
"cursorToolOnLoad": 0,
"defaultZoomValue": "",
"disablePageLabels": false,
"enablePermissions": false,
"enablePrintAutoRotate": true,
"enableScripting": true,
"externalLinkTarget": 0,
"historyUpdateUrl": false,
"ignoreDestinationZoom": false,
"pdfBugEnabled": false,
"renderer": "canvas",
"renderInteractiveForms": true,
"sidebarViewOnLoad": -1,
"scrollModeOnLoad": -1,
"spreadModeOnLoad": -1,
"textLayerMode": 1,
"useOnlyCssZoom": false,
"viewerCssTheme": 2,
"viewOnLoad": 0,
"disableAutoFetch": false,
"disableFontFace": false,
"disableRange": false,
"disableStream": false,
"enableXfa": false
}),
writable: false,
enumerable: true,
configurable: false
});
this.prefs = Object.create(null);
this._initializedPromise = this._readFromStorage(this.defaults).then(prefs => {
for (const name in this.defaults) {
const prefValue = prefs?.[name];
if (typeof prefValue === typeof this.defaults[name]) {
this.prefs[name] = prefValue;
}
}
});
}
async _writeToStorage(prefObj) {
throw new Error("Not implemented: _writeToStorage");
}
async _readFromStorage(prefObj) {
throw new Error("Not implemented: _readFromStorage");
}
async reset() {
await this._initializedPromise;
this.prefs = Object.create(null);
return this._writeToStorage(this.defaults);
}
async set(name, value) {
await this._initializedPromise;
const defaultValue = this.defaults[name];
if (defaultValue === undefined) {
throw new Error(`Set preference: "${name}" is undefined.`);
} else if (value === undefined) {
throw new Error("Set preference: no value is specified.");
}
const valueType = typeof value;
const defaultType = typeof defaultValue;
if (valueType !== defaultType) {
if (valueType === "number" && defaultType === "string") {
value = value.toString();
} else {
throw new Error(`Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`);
}
} else {
if (valueType === "number" && !Number.isInteger(value)) {
throw new Error(`Set preference: "${value}" must be an integer.`);
}
}
this.prefs[name] = value;
return this._writeToStorage(this.prefs);
}
async get(name) {
await this._initializedPromise;
const defaultValue = this.defaults[name],
prefValue = this.prefs[name];
if (defaultValue === undefined) {
throw new Error(`Get preference: "${name}" is undefined.`);
}
return prefValue !== undefined ? prefValue : defaultValue;
}
async getAll() {
await this._initializedPromise;
const obj = Object.create(null);
for (const name in this.defaults) {
const prefValue = this.prefs[name];
obj[name] = prefValue !== undefined ? prefValue : this.defaults[name];
}
return obj;
}
}
exports.BasePreferences = BasePreferences;
/***/ }),
/* 41 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.DownloadManager = void 0;
var _pdfjsLib = __webpack_require__(5);
var _viewer_compatibility = __webpack_require__(2);
;
function download(blobUrl, filename) {
const a = document.createElement("a");
if (!a.click) {
throw new Error('DownloadManager: "a.click()" is not supported.');
}
a.href = blobUrl;
a.target = "_parent";
if ("download" in a) {
a.download = filename;
}
(document.body || document.documentElement).appendChild(a);
a.click();
a.remove();
}
class DownloadManager {
constructor() {
this._openBlobUrls = new WeakMap();
}
downloadUrl(url, filename) {
if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, "http://example.com")) {
return;
}
download(url + "#pdfjs.action=download", filename);
}
downloadData(data, filename, contentType) {
const blobUrl = (0, _pdfjsLib.createObjectURL)(data, contentType, _viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL);
download(blobUrl, filename);
}
openOrDownloadData(element, data, filename) {
const isPdfData = (0, _pdfjsLib.isPdfFile)(filename);
const contentType = isPdfData ? "application/pdf" : "";
if (isPdfData && !_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
let blobUrl = this._openBlobUrls.get(element);
if (!blobUrl) {
blobUrl = URL.createObjectURL(new Blob([data], {
type: contentType
}));
this._openBlobUrls.set(element, blobUrl);
}
let viewerUrl;
viewerUrl = "?file=" + encodeURIComponent(blobUrl + "#" + filename);
try {
window.open(viewerUrl);
return true;
} catch (ex) {
console.error(`openOrDownloadData: ${ex}`);
URL.revokeObjectURL(blobUrl);
this._openBlobUrls.delete(element);
}
}
this.downloadData(data, filename, contentType);
return false;
}
download(blob, url, filename, sourceEventType = "download") {
if (_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
this.downloadUrl(url, filename);
return;
}
const blobUrl = URL.createObjectURL(blob);
download(blobUrl, filename);
}
}
exports.DownloadManager = DownloadManager;
/***/ }),
/* 42 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.GenericL10n = void 0;
__webpack_require__(43);
var _l10n_utils = __webpack_require__(30);
const webL10n = document.webL10n;
class GenericL10n {
constructor(lang) {
this._lang = lang;
this._ready = new Promise((resolve, reject) => {
webL10n.setLanguage(lang, () => {
resolve(webL10n);
});
});
}
async getLanguage() {
const l10n = await this._ready;
return l10n.getLanguage();
}
async getDirection() {
const l10n = await this._ready;
return l10n.getDirection();
}
async get(key, args = null, fallback = (0, _l10n_utils.getL10nFallback)(key, args)) {
const l10n = await this._ready;
return l10n.get(key, args, fallback);
}
async translate(element) {
const l10n = await this._ready;
return l10n.translate(element);
}
}
exports.GenericL10n = GenericL10n;
/***/ }),
/* 43 */
/***/ (() => {
document.webL10n = function (window, document, undefined) {
var gL10nData = {};
var gTextData = '';
var gTextProp = 'textContent';
var gLanguage = '';
var gMacros = {};
var gReadyState = 'loading';
var gAsyncResourceLoading = true;
function getL10nResourceLinks() {
return document.querySelectorAll('link[type="application/l10n"]');
}
function getL10nDictionary() {
var script = document.querySelector('script[type="application/l10n"]');
return script ? JSON.parse(script.innerHTML) : null;
}
function getTranslatableChildren(element) {
return element ? element.querySelectorAll('*[data-l10n-id]') : [];
}
function getL10nAttributes(element) {
if (!element) return {};
var l10nId = element.getAttribute('data-l10n-id');
var l10nArgs = element.getAttribute('data-l10n-args');
var args = {};
if (l10nArgs) {
try {
args = JSON.parse(l10nArgs);
} catch (e) {
console.warn('could not parse arguments for #' + l10nId);
}
}
return {
id: l10nId,
args: args
};
}
function xhrLoadText(url, onSuccess, onFailure) {
onSuccess = onSuccess || function _onSuccess(data) {};
onFailure = onFailure || function _onFailure() {};
var xhr = new XMLHttpRequest();
xhr.open('GET', url, gAsyncResourceLoading);
if (xhr.overrideMimeType) {
xhr.overrideMimeType('text/plain; charset=utf-8');
}
xhr.onreadystatechange = function () {
if (xhr.readyState == 4) {
if (xhr.status == 200 || xhr.status === 0) {
onSuccess(xhr.responseText);
} else {
onFailure();
}
}
};
xhr.onerror = onFailure;
xhr.ontimeout = onFailure;
try {
xhr.send(null);
} catch (e) {
onFailure();
}
}
function parseResource(href, lang, successCallback, failureCallback) {
var baseURL = href.replace(/[^\/]*$/, '') || './';
function evalString(text) {
if (text.lastIndexOf('\\') < 0) return text;
return text.replace(/\\\\/g, '\\').replace(/\\n/g, '\n').replace(/\\r/g, '\r').replace(/\\t/g, '\t').replace(/\\b/g, '\b').replace(/\\f/g, '\f').replace(/\\{/g, '{').replace(/\\}/g, '}').replace(/\\"/g, '"').replace(/\\'/g, "'");
}
function parseProperties(text, parsedPropertiesCallback) {
var dictionary = {};
var reBlank = /^\s*|\s*$/;
var reComment = /^\s*#|^\s*$/;
var reSection = /^\s*\[(.*)\]\s*$/;
var reImport = /^\s*@import\s+url\((.*)\)\s*$/i;
var reSplit = /^([^=\s]*)\s*=\s*(.+)$/;
function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) {
var entries = rawText.replace(reBlank, '').split(/[\r\n]+/);
var currentLang = '*';
var genericLang = lang.split('-', 1)[0];
var skipLang = false;
var match = '';
function nextEntry() {
while (true) {
if (!entries.length) {
parsedRawLinesCallback();
return;
}
var line = entries.shift();
if (reComment.test(line)) continue;
if (extendedSyntax) {
match = reSection.exec(line);
if (match) {
currentLang = match[1].toLowerCase();
skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang;
continue;
} else if (skipLang) {
continue;
}
match = reImport.exec(line);
if (match) {
loadImport(baseURL + match[1], nextEntry);
return;
}
}
var tmp = line.match(reSplit);
if (tmp && tmp.length == 3) {
dictionary[tmp[1]] = evalString(tmp[2]);
}
}
}
nextEntry();
}
function loadImport(url, callback) {
xhrLoadText(url, function (content) {
parseRawLines(content, false, callback);
}, function () {
console.warn(url + ' not found.');
callback();
});
}
parseRawLines(text, true, function () {
parsedPropertiesCallback(dictionary);
});
}
xhrLoadText(href, function (response) {
gTextData += response;
parseProperties(response, function (data) {
for (var key in data) {
var id,
prop,
index = key.lastIndexOf('.');
if (index > 0) {
id = key.substring(0, index);
prop = key.substring(index + 1);
} else {
id = key;
prop = gTextProp;
}
if (!gL10nData[id]) {
gL10nData[id] = {};
}
gL10nData[id][prop] = data[key];
}
if (successCallback) {
successCallback();
}
});
}, failureCallback);
}
function loadLocale(lang, callback) {
if (lang) {
lang = lang.toLowerCase();
}
callback = callback || function _callback() {};
clear();
gLanguage = lang;
var langLinks = getL10nResourceLinks();
var langCount = langLinks.length;
if (langCount === 0) {
var dict = getL10nDictionary();
if (dict && dict.locales && dict.default_locale) {
console.log('using the embedded JSON directory, early way out');
gL10nData = dict.locales[lang];
if (!gL10nData) {
var defaultLocale = dict.default_locale.toLowerCase();
for (var anyCaseLang in dict.locales) {
anyCaseLang = anyCaseLang.toLowerCase();
if (anyCaseLang === lang) {
gL10nData = dict.locales[lang];
break;
} else if (anyCaseLang === defaultLocale) {
gL10nData = dict.locales[defaultLocale];
}
}
}
callback();
} else {
console.log('no resource to load, early way out');
}
gReadyState = 'complete';
return;
}
var onResourceLoaded = null;
var gResourceCount = 0;
onResourceLoaded = function () {
gResourceCount++;
if (gResourceCount >= langCount) {
callback();
gReadyState = 'complete';
}
};
function L10nResourceLink(link) {
var href = link.href;
this.load = function (lang, callback) {
parseResource(href, lang, callback, function () {
console.warn(href + ' not found.');
console.warn('"' + lang + '" resource not found');
gLanguage = '';
callback();
});
};
}
for (var i = 0; i < langCount; i++) {
var resource = new L10nResourceLink(langLinks[i]);
resource.load(lang, onResourceLoaded);
}
}
function clear() {
gL10nData = {};
gTextData = '';
gLanguage = '';
}
function getPluralRules(lang) {
var locales2rules = {
'af': 3,
'ak': 4,
'am': 4,
'ar': 1,
'asa': 3,
'az': 0,
'be': 11,
'bem': 3,
'bez': 3,
'bg': 3,
'bh': 4,
'bm': 0,
'bn': 3,
'bo': 0,
'br': 20,
'brx': 3,
'bs': 11,
'ca': 3,
'cgg': 3,
'chr': 3,
'cs': 12,
'cy': 17,
'da': 3,
'de': 3,
'dv': 3,
'dz': 0,
'ee': 3,
'el': 3,
'en': 3,
'eo': 3,
'es': 3,
'et': 3,
'eu': 3,
'fa': 0,
'ff': 5,
'fi': 3,
'fil': 4,
'fo': 3,
'fr': 5,
'fur': 3,
'fy': 3,
'ga': 8,
'gd': 24,
'gl': 3,
'gsw': 3,
'gu': 3,
'guw': 4,
'gv': 23,
'ha': 3,
'haw': 3,
'he': 2,
'hi': 4,
'hr': 11,
'hu': 0,
'id': 0,
'ig': 0,
'ii': 0,
'is': 3,
'it': 3,
'iu': 7,
'ja': 0,
'jmc': 3,
'jv': 0,
'ka': 0,
'kab': 5,
'kaj': 3,
'kcg': 3,
'kde': 0,
'kea': 0,
'kk': 3,
'kl': 3,
'km': 0,
'kn': 0,
'ko': 0,
'ksb': 3,
'ksh': 21,
'ku': 3,
'kw': 7,
'lag': 18,
'lb': 3,
'lg': 3,
'ln': 4,
'lo': 0,
'lt': 10,
'lv': 6,
'mas': 3,
'mg': 4,
'mk': 16,
'ml': 3,
'mn': 3,
'mo': 9,
'mr': 3,
'ms': 0,
'mt': 15,
'my': 0,
'nah': 3,
'naq': 7,
'nb': 3,
'nd': 3,
'ne': 3,
'nl': 3,
'nn': 3,
'no': 3,
'nr': 3,
'nso': 4,
'ny': 3,
'nyn': 3,
'om': 3,
'or': 3,
'pa': 3,
'pap': 3,
'pl': 13,
'ps': 3,
'pt': 3,
'rm': 3,
'ro': 9,
'rof': 3,
'ru': 11,
'rwk': 3,
'sah': 0,
'saq': 3,
'se': 7,
'seh': 3,
'ses': 0,
'sg': 0,
'sh': 11,
'shi': 19,
'sk': 12,
'sl': 14,
'sma': 7,
'smi': 7,
'smj': 7,
'smn': 7,
'sms': 7,
'sn': 3,
'so': 3,
'sq': 3,
'sr': 11,
'ss': 3,
'ssy': 3,
'st': 3,
'sv': 3,
'sw': 3,
'syr': 3,
'ta': 3,
'te': 3,
'teo': 3,
'th': 0,
'ti': 4,
'tig': 3,
'tk': 3,
'tl': 4,
'tn': 3,
'to': 0,
'tr': 0,
'ts': 3,
'tzm': 22,
'uk': 11,
'ur': 3,
've': 3,
'vi': 0,
'vun': 3,
'wa': 4,
'wae': 3,
'wo': 0,
'xh': 3,
'xog': 3,
'yo': 0,
'zh': 0,
'zu': 3
};
function isIn(n, list) {
return list.indexOf(n) !== -1;
}
function isBetween(n, start, end) {
return start <= n && n <= end;
}
var pluralRules = {
'0': function (n) {
return 'other';
},
'1': function (n) {
if (isBetween(n % 100, 3, 10)) return 'few';
if (n === 0) return 'zero';
if (isBetween(n % 100, 11, 99)) return 'many';
if (n == 2) return 'two';
if (n == 1) return 'one';
return 'other';
},
'2': function (n) {
if (n !== 0 && n % 10 === 0) return 'many';
if (n == 2) return 'two';
if (n == 1) return 'one';
return 'other';
},
'3': function (n) {
if (n == 1) return 'one';
return 'other';
},
'4': function (n) {
if (isBetween(n, 0, 1)) return 'one';
return 'other';
},
'5': function (n) {
if (isBetween(n, 0, 2) && n != 2) return 'one';
return 'other';
},
'6': function (n) {
if (n === 0) return 'zero';
if (n % 10 == 1 && n % 100 != 11) return 'one';
return 'other';
},
'7': function (n) {
if (n == 2) return 'two';
if (n == 1) return 'one';
return 'other';
},
'8': function (n) {
if (isBetween(n, 3, 6)) return 'few';
if (isBetween(n, 7, 10)) return 'many';
if (n == 2) return 'two';
if (n == 1) return 'one';
return 'other';
},
'9': function (n) {
if (n === 0 || n != 1 && isBetween(n % 100, 1, 19)) return 'few';
if (n == 1) return 'one';
return 'other';
},
'10': function (n) {
if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few';
if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one';
return 'other';
},
'11': function (n) {
if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many';
if (n % 10 == 1 && n % 100 != 11) return 'one';
return 'other';
},
'12': function (n) {
if (isBetween(n, 2, 4)) return 'few';
if (n == 1) return 'one';
return 'other';
},
'13': function (n) {
if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few';
if (n != 1 && isBetween(n % 10, 0, 1) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many';
if (n == 1) return 'one';
return 'other';
},
'14': function (n) {
if (isBetween(n % 100, 3, 4)) return 'few';
if (n % 100 == 2) return 'two';
if (n % 100 == 1) return 'one';
return 'other';
},
'15': function (n) {
if (n === 0 || isBetween(n % 100, 2, 10)) return 'few';
if (isBetween(n % 100, 11, 19)) return 'many';
if (n == 1) return 'one';
return 'other';
},
'16': function (n) {
if (n % 10 == 1 && n != 11) return 'one';
return 'other';
},
'17': function (n) {
if (n == 3) return 'few';
if (n === 0) return 'zero';
if (n == 6) return 'many';
if (n == 2) return 'two';
if (n == 1) return 'one';
return 'other';
},
'18': function (n) {
if (n === 0) return 'zero';
if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one';
return 'other';
},
'19': function (n) {
if (isBetween(n, 2, 10)) return 'few';
if (isBetween(n, 0, 1)) return 'one';
return 'other';
},
'20': function (n) {
if ((isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99))) return 'few';
if (n % 1000000 === 0 && n !== 0) return 'many';
if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two';
if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one';
return 'other';
},
'21': function (n) {
if (n === 0) return 'zero';
if (n == 1) return 'one';
return 'other';
},
'22': function (n) {
if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one';
return 'other';
},
'23': function (n) {
if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one';
return 'other';
},
'24': function (n) {
if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few';
if (isIn(n, [2, 12])) return 'two';
if (isIn(n, [1, 11])) return 'one';
return 'other';
}
};
var index = locales2rules[lang.replace(/-.*$/, '')];
if (!(index in pluralRules)) {
console.warn('plural form unknown for [' + lang + ']');
return function () {
return 'other';
};
}
return pluralRules[index];
}
gMacros.plural = function (str, param, key, prop) {
var n = parseFloat(param);
if (isNaN(n)) return str;
if (prop != gTextProp) return str;
if (!gMacros._pluralRules) {
gMacros._pluralRules = getPluralRules(gLanguage);
}
var index = '[' + gMacros._pluralRules(n) + ']';
if (n === 0 && key + '[zero]' in gL10nData) {
str = gL10nData[key + '[zero]'][prop];
} else if (n == 1 && key + '[one]' in gL10nData) {
str = gL10nData[key + '[one]'][prop];
} else if (n == 2 && key + '[two]' in gL10nData) {
str = gL10nData[key + '[two]'][prop];
} else if (key + index in gL10nData) {
str = gL10nData[key + index][prop];
} else if (key + '[other]' in gL10nData) {
str = gL10nData[key + '[other]'][prop];
}
return str;
};
function getL10nData(key, args, fallback) {
var data = gL10nData[key];
if (!data) {
console.warn('#' + key + ' is undefined.');
if (!fallback) {
return null;
}
data = fallback;
}
var rv = {};
for (var prop in data) {
var str = data[prop];
str = substIndexes(str, args, key, prop);
str = substArguments(str, args, key);
rv[prop] = str;
}
return rv;
}
function substIndexes(str, args, key, prop) {
var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/;
var reMatch = reIndex.exec(str);
if (!reMatch || !reMatch.length) return str;
var macroName = reMatch[1];
var paramName = reMatch[2];
var param;
if (args && paramName in args) {
param = args[paramName];
} else if (paramName in gL10nData) {
param = gL10nData[paramName];
}
if (macroName in gMacros) {
var macro = gMacros[macroName];
str = macro(str, param, key, prop);
}
return str;
}
function substArguments(str, args, key) {
var reArgs = /\{\{\s*(.+?)\s*\}\}/g;
return str.replace(reArgs, function (matched_text, arg) {
if (args && arg in args) {
return args[arg];
}
if (arg in gL10nData) {
return gL10nData[arg];
}
console.log('argument {{' + arg + '}} for #' + key + ' is undefined.');
return matched_text;
});
}
function translateElement(element) {
var l10n = getL10nAttributes(element);
if (!l10n.id) return;
var data = getL10nData(l10n.id, l10n.args);
if (!data) {
console.warn('#' + l10n.id + ' is undefined.');
return;
}
if (data[gTextProp]) {
if (getChildElementCount(element) === 0) {
element[gTextProp] = data[gTextProp];
} else {
var children = element.childNodes;
var found = false;
for (var i = 0, l = children.length; i < l; i++) {
if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) {
if (found) {
children[i].nodeValue = '';
} else {
children[i].nodeValue = data[gTextProp];
found = true;
}
}
}
if (!found) {
var textNode = document.createTextNode(data[gTextProp]);
element.insertBefore(textNode, element.firstChild);
}
}
delete data[gTextProp];
}
for (var k in data) {
element[k] = data[k];
}
}
function getChildElementCount(element) {
if (element.children) {
return element.children.length;
}
if (typeof element.childElementCount !== 'undefined') {
return element.childElementCount;
}
var count = 0;
for (var i = 0; i < element.childNodes.length; i++) {
count += element.nodeType === 1 ? 1 : 0;
}
return count;
}
function translateFragment(element) {
element = element || document.documentElement;
var children = getTranslatableChildren(element);
var elementCount = children.length;
for (var i = 0; i < elementCount; i++) {
translateElement(children[i]);
}
translateElement(element);
}
return {
get: function (key, args, fallbackString) {
var index = key.lastIndexOf('.');
var prop = gTextProp;
if (index > 0) {
prop = key.substring(index + 1);
key = key.substring(0, index);
}
var fallback;
if (fallbackString) {
fallback = {};
fallback[prop] = fallbackString;
}
var data = getL10nData(key, args, fallback);
if (data && prop in data) {
return data[prop];
}
return '{{' + key + '}}';
},
getData: function () {
return gL10nData;
},
getText: function () {
return gTextData;
},
getLanguage: function () {
return gLanguage;
},
setLanguage: function (lang, callback) {
loadLocale(lang, function () {
if (callback) callback();
});
},
getDirection: function () {
var rtlList = ['ar', 'he', 'fa', 'ps', 'ur'];
var shortCode = gLanguage.split('-', 1)[0];
return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr';
},
translate: translateFragment,
getReadyState: function () {
return gReadyState;
},
ready: function (callback) {
if (!callback) {
return;
} else if (gReadyState == 'complete' || gReadyState == 'interactive') {
window.setTimeout(function () {
callback();
});
} else if (document.addEventListener) {
document.addEventListener('localized', function once() {
document.removeEventListener('localized', once);
callback();
});
}
}
};
}(window, document);
/***/ }),
/* 44 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.docPropertiesLookup = docPropertiesLookup;
exports.GenericScripting = void 0;
var _pdfjsLib = __webpack_require__(5);
async function docPropertiesLookup(pdfDocument) {
const url = "",
baseUrl = url.split("#")[0];
let {
info,
metadata,
contentDispositionFilename,
contentLength
} = await pdfDocument.getMetadata();
if (!contentLength) {
const {
length
} = await pdfDocument.getDownloadInfo();
contentLength = length;
}
return { ...info,
baseURL: baseUrl,
filesize: contentLength,
filename: contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(url),
metadata: metadata?.getRaw(),
authors: metadata?.get("dc:creator"),
numPages: pdfDocument.numPages,
URL: url
};
}
class GenericScripting {
constructor(sandboxBundleSrc) {
this._ready = (0, _pdfjsLib.loadScript)(sandboxBundleSrc, true).then(() => {
return window.pdfjsSandbox.QuickJSSandbox();
});
}
async createSandbox(data) {
const sandbox = await this._ready;
sandbox.create(data);
}
async dispatchEventInSandbox(event) {
const sandbox = await this._ready;
sandbox.dispatchEvent(event);
}
async destroySandbox() {
const sandbox = await this._ready;
sandbox.nukeSandbox();
}
}
exports.GenericScripting = GenericScripting;
/***/ }),
/* 45 */
/***/ ((__unused_webpack_module, exports, __webpack_require__) => {
Object.defineProperty(exports, "__esModule", ({
value: true
}));
exports.PDFPrintService = PDFPrintService;
var _app = __webpack_require__(3);
var _viewer_compatibility = __webpack_require__(2);
let activeService = null;
let overlayManager = null;
function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise) {
const scratchCanvas = activeService.scratchCanvas;
const PRINT_UNITS = printResolution / 72.0;
scratchCanvas.width = Math.floor(size.width * PRINT_UNITS);
scratchCanvas.height = Math.floor(size.height * PRINT_UNITS);
const ctx = scratchCanvas.getContext("2d");
ctx.save();
ctx.fillStyle = "rgb(255, 255, 255)";
ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height);
ctx.restore();
return pdfDocument.getPage(pageNumber).then(function (pdfPage) {
const renderContext = {
canvasContext: ctx,
transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0],
viewport: pdfPage.getViewport({
scale: 1,
rotation: size.rotation
}),
intent: "print",
includeAnnotationStorage: true,
optionalContentConfigPromise
};
return pdfPage.render(renderContext).promise;
});
}
function PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise = null, l10n) {
this.pdfDocument = pdfDocument;
this.pagesOverview = pagesOverview;
this.printContainer = printContainer;
this._printResolution = printResolution || 150;
this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig();
this.l10n = l10n;
this.currentPage = -1;
this.scratchCanvas = document.createElement("canvas");
}
PDFPrintService.prototype = {
layout() {
this.throwIfInactive();
const body = document.querySelector("body");
body.setAttribute("data-pdfjsprinting", true);
const hasEqualPageSizes = this.pagesOverview.every(function (size) {
return size.width === this.pagesOverview[0].width && size.height === this.pagesOverview[0].height;
}, this);
if (!hasEqualPageSizes) {
console.warn("Not all pages have the same size. The printed " + "result may be incorrect!");
}
this.pageStyleSheet = document.createElement("style");
const pageSize = this.pagesOverview[0];
this.pageStyleSheet.textContent = "@page { size: " + pageSize.width + "pt " + pageSize.height + "pt;}";
body.appendChild(this.pageStyleSheet);
},
destroy() {
if (activeService !== this) {
return;
}
this.printContainer.textContent = "";
const body = document.querySelector("body");
body.removeAttribute("data-pdfjsprinting");
if (this.pageStyleSheet) {
this.pageStyleSheet.remove();
this.pageStyleSheet = null;
}
this.scratchCanvas.width = this.scratchCanvas.height = 0;
this.scratchCanvas = null;
activeService = null;
ensureOverlay().then(function () {
if (overlayManager.active !== "printServiceOverlay") {
return;
}
overlayManager.close("printServiceOverlay");
});
},
renderPages() {
const pageCount = this.pagesOverview.length;
const renderNextPage = (resolve, reject) => {
this.throwIfInactive();
if (++this.currentPage >= pageCount) {
renderProgress(pageCount, pageCount, this.l10n);
resolve();
return;
}
const index = this.currentPage;
renderProgress(index, pageCount, this.l10n);
renderPage(this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise).then(this.useRenderedPage.bind(this)).then(function () {
renderNextPage(resolve, reject);
}, reject);
};
return new Promise(renderNextPage);
},
useRenderedPage() {
this.throwIfInactive();
const img = document.createElement("img");
const scratchCanvas = this.scratchCanvas;
if ("toBlob" in scratchCanvas && !_viewer_compatibility.viewerCompatibilityParams.disableCreateObjectURL) {
scratchCanvas.toBlob(function (blob) {
img.src = URL.createObjectURL(blob);
});
} else {
img.src = scratchCanvas.toDataURL();
}
const wrapper = document.createElement("div");
wrapper.appendChild(img);
this.printContainer.appendChild(wrapper);
return new Promise(function (resolve, reject) {
img.onload = resolve;
img.onerror = reject;
});
},
performPrint() {
this.throwIfInactive();
return new Promise(resolve => {
setTimeout(() => {
if (!this.active) {
resolve();
return;
}
print.call(window);
setTimeout(resolve, 20);
}, 0);
});
},
get active() {
return this === activeService;
},
throwIfInactive() {
if (!this.active) {
throw new Error("This print request was cancelled or completed.");
}
}
};
const print = window.print;
window.print = function () {
if (activeService) {
console.warn("Ignored window.print() because of a pending print job.");
return;
}
ensureOverlay().then(function () {
if (activeService) {
overlayManager.open("printServiceOverlay");
}
});
try {
dispatchEvent("beforeprint");
} finally {
if (!activeService) {
console.error("Expected print service to be initialized.");
ensureOverlay().then(function () {
if (overlayManager.active === "printServiceOverlay") {
overlayManager.close("printServiceOverlay");
}
});
return;
}
const activeServiceOnEntry = activeService;
activeService.renderPages().then(function () {
return activeServiceOnEntry.performPrint();
}).catch(function () {}).then(function () {
if (activeServiceOnEntry.active) {
abort();
}
});
}
};
function dispatchEvent(eventType) {
const event = document.createEvent("CustomEvent");
event.initCustomEvent(eventType, false, false, "custom");
window.dispatchEvent(event);
}
function abort() {
if (activeService) {
activeService.destroy();
dispatchEvent("afterprint");
}
}
function renderProgress(index, total, l10n) {
const progressContainer = document.getElementById("printServiceOverlay");
const progress = Math.round(100 * index / total);
const progressBar = progressContainer.querySelector("progress");
const progressPerc = progressContainer.querySelector(".relative-progress");
progressBar.value = progress;
l10n.get("print_progress_percent", {
progress
}).then(msg => {
progressPerc.textContent = msg;
});
}
window.addEventListener("keydown", function (event) {
if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) {
window.print();
event.preventDefault();
if (event.stopImmediatePropagation) {
event.stopImmediatePropagation();
} else {
event.stopPropagation();
}
}
}, true);
if ("onbeforeprint" in window) {
const stopPropagationIfNeeded = function (event) {
if (event.detail !== "custom" && event.stopImmediatePropagation) {
event.stopImmediatePropagation();
}
};
window.addEventListener("beforeprint", stopPropagationIfNeeded);
window.addEventListener("afterprint", stopPropagationIfNeeded);
}
let overlayPromise;
function ensureOverlay() {
if (!overlayPromise) {
overlayManager = _app.PDFViewerApplication.overlayManager;
if (!overlayManager) {
throw new Error("The overlay manager has not yet been initialized.");
}
overlayPromise = overlayManager.register("printServiceOverlay", document.getElementById("printServiceOverlay"), abort, true);
document.getElementById("printCancel").onclick = abort;
}
return overlayPromise;
}
_app.PDFPrintServiceFactory.instance = {
supportsPrinting: true,
createPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, l10n) {
if (activeService) {
throw new Error("The print service is created and active.");
}
activeService = new PDFPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, l10n);
return activeService;
}
};
/***/ })
/******/ ]);
/************************************************************************/
/******/ // The module cache
/******/ var __webpack_module_cache__ = {};
/******/
/******/ // The require function
/******/ function __webpack_require__(moduleId) {
/******/ // Check if module is in cache
/******/ var cachedModule = __webpack_module_cache__[moduleId];
/******/ if (cachedModule !== undefined) {
/******/ return cachedModule.exports;
/******/ }
/******/ // Create a new module (and put it into the cache)
/******/ var module = __webpack_module_cache__[moduleId] = {
/******/ // no module.id needed
/******/ // no module.loaded needed
/******/ exports: {}
/******/ };
/******/
/******/ // Execute the module function
/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__);
/******/
/******/ // Return the exports of the module
/******/ return module.exports;
/******/ }
/******/
/************************************************************************/
var __webpack_exports__ = {};
// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk.
(() => {
var exports = __webpack_exports__;
Object.defineProperty(exports, "__esModule", ({
value: true
}));
Object.defineProperty(exports, "PDFViewerApplicationOptions", ({
enumerable: true,
get: function () {
return _app_options.AppOptions;
}
}));
Object.defineProperty(exports, "PDFViewerApplication", ({
enumerable: true,
get: function () {
return _app.PDFViewerApplication;
}
}));
var _app_options = __webpack_require__(1);
var _app = __webpack_require__(3);
const pdfjsVersion = '2.9.359';
const pdfjsBuild = 'e667c8cbc';
window.PDFViewerApplication = _app.PDFViewerApplication;
window.PDFViewerApplicationOptions = _app_options.AppOptions;
;
;
{
__webpack_require__(39);
}
;
{
__webpack_require__(45);
}
function getViewerConfiguration() {
let errorWrapper = null;
errorWrapper = {
container: document.getElementById("errorWrapper"),
errorMessage: document.getElementById("errorMessage"),
closeButton: document.getElementById("errorClose"),
errorMoreInfo: document.getElementById("errorMoreInfo"),
moreInfoButton: document.getElementById("errorShowMore"),
lessInfoButton: document.getElementById("errorShowLess")
};
return {
appContainer: document.body,
mainContainer: document.getElementById("viewerContainer"),
viewerContainer: document.getElementById("viewer"),
eventBus: null,
toolbar: {
container: document.getElementById("toolbarViewer"),
numPages: document.getElementById("numPages"),
pageNumber: document.getElementById("pageNumber"),
scaleSelectContainer: document.getElementById("scaleSelectContainer"),
scaleSelect: document.getElementById("scaleSelect"),
customScaleOption: document.getElementById("customScaleOption"),
previous: document.getElementById("previous"),
next: document.getElementById("next"),
zoomIn: document.getElementById("zoomIn"),
zoomOut: document.getElementById("zoomOut"),
viewFind: document.getElementById("viewFind"),
openFile: document.getElementById("openFile"),
print: document.getElementById("print"),
presentationModeButton: document.getElementById("presentationMode"),
download: document.getElementById("download"),
viewBookmark: document.getElementById("viewBookmark")
},
secondaryToolbar: {
toolbar: document.getElementById("secondaryToolbar"),
toggleButton: document.getElementById("secondaryToolbarToggle"),
toolbarButtonContainer: document.getElementById("secondaryToolbarButtonContainer"),
presentationModeButton: document.getElementById("secondaryPresentationMode"),
openFileButton: document.getElementById("secondaryOpenFile"),
printButton: document.getElementById("secondaryPrint"),
downloadButton: document.getElementById("secondaryDownload"),
viewBookmarkButton: document.getElementById("secondaryViewBookmark"),
firstPageButton: document.getElementById("firstPage"),
lastPageButton: document.getElementById("lastPage"),
pageRotateCwButton: document.getElementById("pageRotateCw"),
pageRotateCcwButton: document.getElementById("pageRotateCcw"),
cursorSelectToolButton: document.getElementById("cursorSelectTool"),
cursorHandToolButton: document.getElementById("cursorHandTool"),
scrollVerticalButton: document.getElementById("scrollVertical"),
scrollHorizontalButton: document.getElementById("scrollHorizontal"),
scrollWrappedButton: document.getElementById("scrollWrapped"),
spreadNoneButton: document.getElementById("spreadNone"),
spreadOddButton: document.getElementById("spreadOdd"),
spreadEvenButton: document.getElementById("spreadEven"),
documentPropertiesButton: document.getElementById("documentProperties")
},
sidebar: {
outerContainer: document.getElementById("outerContainer"),
viewerContainer: document.getElementById("viewerContainer"),
toggleButton: document.getElementById("sidebarToggle"),
thumbnailButton: document.getElementById("viewThumbnail"),
outlineButton: document.getElementById("viewOutline"),
attachmentsButton: document.getElementById("viewAttachments"),
layersButton: document.getElementById("viewLayers"),
thumbnailView: document.getElementById("thumbnailView"),
outlineView: document.getElementById("outlineView"),
attachmentsView: document.getElementById("attachmentsView"),
layersView: document.getElementById("layersView"),
outlineOptionsContainer: document.getElementById("outlineOptionsContainer"),
currentOutlineItemButton: document.getElementById("currentOutlineItem")
},
sidebarResizer: {
outerContainer: document.getElementById("outerContainer"),
resizer: document.getElementById("sidebarResizer")
},
findBar: {
bar: document.getElementById("findbar"),
toggleButton: document.getElementById("viewFind"),
findField: document.getElementById("findInput"),
highlightAllCheckbox: document.getElementById("findHighlightAll"),
caseSensitiveCheckbox: document.getElementById("findMatchCase"),
entireWordCheckbox: document.getElementById("findEntireWord"),
findMsg: document.getElementById("findMsg"),
findResultsCount: document.getElementById("findResultsCount"),
findPreviousButton: document.getElementById("findPrevious"),
findNextButton: document.getElementById("findNext")
},
passwordOverlay: {
overlayName: "passwordOverlay",
container: document.getElementById("passwordOverlay"),
label: document.getElementById("passwordText"),
input: document.getElementById("password"),
submitButton: document.getElementById("passwordSubmit"),
cancelButton: document.getElementById("passwordCancel")
},
documentProperties: {
overlayName: "documentPropertiesOverlay",
container: document.getElementById("documentPropertiesOverlay"),
closeButton: document.getElementById("documentPropertiesClose"),
fields: {
fileName: document.getElementById("fileNameField"),
fileSize: document.getElementById("fileSizeField"),
title: document.getElementById("titleField"),
author: document.getElementById("authorField"),
subject: document.getElementById("subjectField"),
keywords: document.getElementById("keywordsField"),
creationDate: document.getElementById("creationDateField"),
modificationDate: document.getElementById("modificationDateField"),
creator: document.getElementById("creatorField"),
producer: document.getElementById("producerField"),
version: document.getElementById("versionField"),
pageCount: document.getElementById("pageCountField"),
pageSize: document.getElementById("pageSizeField"),
linearized: document.getElementById("linearizedField")
}
},
errorWrapper,
printContainer: document.getElementById("printContainer"),
openFileInputName: "fileInput",
debuggerScriptPath: "./debugger.js"
};
}
function webViewerLoad() {
const config = getViewerConfiguration();
const event = document.createEvent("CustomEvent");
event.initCustomEvent("webviewerloaded", true, true, {
source: window
});
try {
parent.document.dispatchEvent(event);
} catch (ex) {
console.error(`webviewerloaded: ${ex}`);
document.dispatchEvent(event);
}
_app.PDFViewerApplication.run(config);
}
if (document.blockUnblockOnload) {
document.blockUnblockOnload(true);
}
if (document.readyState === "interactive" || document.readyState === "complete") {
webViewerLoad();
} else {
document.addEventListener("DOMContentLoaded", webViewerLoad, true);
}
})();
/******/ })()
;
//# sourceMappingURL=viewer.js.map
/* Enable Pinch-zoom */
//# sourceMappingURL=viewer.js.map
let pinchZoomEnabled = false;
function enablePinchZoom(pdfViewer) {
let startX = 0, startY = 0;
let initialPinchDistance = 0;
let pinchScale = 1;
const viewer = document.getElementById("viewer");
const container = document.getElementById("viewerContainer");
const reset = () => { startX = startY = initialPinchDistance = 0; pinchScale = 1; };
// Prevent native iOS page zoom
// document.addEventListener("touchmove", (e) => { if (e.scale !== 1) { e.preventDefault(); } }, { passive: false });
document.addEventListener("touchstart", (e) => {
if (e.touches.length > 1) {
startX = (e.touches[0].pageX + e.touches[1].pageX) / 2;
startY = (e.touches[0].pageY + e.touches[1].pageY) / 2;
initialPinchDistance = Math.hypot((e.touches[1].pageX - e.touches[0].pageX), (e.touches[1].pageY - e.touches[0].pageY));
} else {
initialPinchDistance = 0;
}
});
document.addEventListener("touchmove", (e) => {
if (initialPinchDistance <= 0 || e.touches.length < 2) { return; }
if (e.scale !== 1) { e.preventDefault(); }
const pinchDistance = Math.hypot((e.touches[1].pageX - e.touches[0].pageX), (e.touches[1].pageY - e.touches[0].pageY));
const originX = startX + container.scrollLeft;
const originY = startY + container.scrollTop;
pinchScale = pinchDistance / initialPinchDistance;
// if(pinchScale < 1) pinchScale = 1;
viewer.style.transform = 'scale('+pinchScale+')';
viewer.style.transformOrigin = ''+originX+'px '+originY+'px';
}, { passive: false });
document.addEventListener("touchend", (e) => {
if (initialPinchDistance <= 0) { return; }
viewer.style.transform = 'none';
viewer.style.transformOrigin = 'unset';
PDFViewerApplication.pdfViewer.currentScale *= pinchScale;
const rect = container.getBoundingClientRect();
const dx = startX - rect.left;
const dy = startY - rect.top;
container.scrollLeft += dx * (pinchScale - 1);
container.scrollTop += dy * (pinchScale - 1);
reset();
});
}
document.addEventListener('webviewerloaded', () => {
// hidePdfViewerButtons();
if (!pinchZoomEnabled) {
pinchZoomEnabled = true;
enablePinchZoom();
}
//Fix for iOS empty page print
//Ref =>#7597 (comment)
var printQuery = window.matchMedia('print');
PDFViewerApplication.beforePrint = function (method) {
return function () {
method.apply(this, arguments);
if (this.printService) {
this.printService.performPrint = function (print) {
return function () {
var that = this;
return new Promise(function (resolve) {
function printListener() {
setTimeout(function () {
printQuery.removeListener(printListener);
resolve();
}, 1000);
}
printQuery.addListener(printListener);
print.call(that);
});
}
}(this.printService.performPrint)
}
}
}(PDFViewerApplication.beforePrint);
});
</script>]]>
|
