/** * @licstart The following is the entire license notice for the * JavaScript code in this page * * Copyright 2023 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @licend The above is the entire license notice for the * JavaScript code in this page */ /******/ (() => { // webpackBootstrap /******/ 'use strict'; /******/ var __webpack_modules__ = [ , /* 0 */ /* 1 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.GenericCom = void 0; var _app = __webpack_require__(2); var _preferences = __webpack_require__(41); var _download_manager = __webpack_require__(42); var _genericl10n = __webpack_require__(43); var _generic_scripting = __webpack_require__(45); const GenericCom = {}; exports.GenericCom = GenericCom; class GenericPreferences extends _preferences.BasePreferences { async _writeToStorage(prefObj) { localStorage.setItem('pdfjs.preferences', JSON.stringify(prefObj)); } async _readFromStorage(prefObj) { return JSON.parse(localStorage.getItem('pdfjs.preferences')); } } class GenericExternalServices extends _app.DefaultExternalServices { static createDownloadManager() { return new _download_manager.DownloadManager(); } static createPreferences() { return new GenericPreferences(); } static createL10n({ locale = 'en-US' }) { return new _genericl10n.GenericL10n(locale); } static createScripting({ sandboxBundleSrc }) { return new _generic_scripting.GenericScripting(sandboxBundleSrc); } } _app.PDFViewerApplication.externalServices = GenericExternalServices; /***/ }, /* 2 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFViewerApplication = exports.PDFPrintServiceFactory = exports.DefaultExternalServices = void 0; var _ui_utils = __webpack_require__(3); var _pdfjsLib = __webpack_require__(4); var _app_options = __webpack_require__(5); var _event_utils = __webpack_require__(6); var _pdf_link_service = __webpack_require__(7); var _webAnnotation_editor_params = __webpack_require__(8); var _overlay_manager = __webpack_require__(9); var _password_prompt = __webpack_require__(10); var _webPdf_attachment_viewer = __webpack_require__(11); var _webPdf_cursor_tools = __webpack_require__(13); var _webPdf_document_properties = __webpack_require__(15); var _webPdf_find_bar = __webpack_require__(16); var _pdf_find_controller = __webpack_require__(17); var _pdf_history = __webpack_require__(19); var _webPdf_layer_viewer = __webpack_require__(20); var _webPdf_outline_viewer = __webpack_require__(21); var _webPdf_presentation_mode = __webpack_require__(22); var _pdf_rendering_queue = __webpack_require__(23); var _pdf_scripting_manager = __webpack_require__(24); var _webPdf_sidebar = __webpack_require__(25); var _webPdf_thumbnail_viewer = __webpack_require__(26); var _pdf_viewer = __webpack_require__(28); var _webSecondary_toolbar = __webpack_require__(38); var _webToolbar = __webpack_require__(39); var _view_history = __webpack_require__(40); const FORCE_PAGES_LOADED_TIMEOUT = 10000; const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000; const ViewOnLoad = { UNKNOWN: -1, PREVIOUS: 0, INITIAL: 1 }; const ViewerCssTheme = { AUTOMATIC: 0, LIGHT: 1, DARK: 2 }; class DefaultExternalServices { constructor() { throw new Error('Cannot initialize DefaultExternalServices.'); } static updateFindControlState(data) {} static updateFindMatchesCount(data) {} static initPassiveLoading(callbacks) {} static reportTelemetry(data) {} static createDownloadManager() { throw new Error('Not implemented: createDownloadManager'); } static createPreferences() { throw new Error('Not implemented: createPreferences'); } static createL10n(options) { throw new Error('Not implemented: createL10n'); } static createScripting(options) { throw new Error('Not implemented: createScripting'); } static get supportsPinchToZoom() { return (0, _pdfjsLib.shadow)(this, 'supportsPinchToZoom', true); } static get supportsIntegratedFind() { return (0, _pdfjsLib.shadow)(this, 'supportsIntegratedFind', false); } static get supportsDocumentFonts() { return (0, _pdfjsLib.shadow)(this, 'supportsDocumentFonts', true); } static get supportedMouseWheelZoomModifierKeys() { return (0, _pdfjsLib.shadow)(this, 'supportedMouseWheelZoomModifierKeys', { ctrlKey: true, metaKey: true }); } static get isInAutomation() { return (0, _pdfjsLib.shadow)(this, 'isInAutomation', false); } static updateEditorStates(data) { throw new Error('Not implemented: updateEditorStates'); } static get canvasMaxAreaInBytes() { return (0, _pdfjsLib.shadow)(this, 'canvasMaxAreaInBytes', -1); } static getNimbusExperimentData() { return (0, _pdfjsLib.shadow)(this, 'getNimbusExperimentData', Promise.resolve(null)); } } exports.DefaultExternalServices = DefaultExternalServices; const PDFViewerApplication = { initialBookmark: document.location.hash.substring(1), _initializedCapability: new _pdfjsLib.PromiseCapability(), appConfig: null, pdfDocument: null, pdfLoadingTask: null, printService: null, pdfViewer: null, pdfThumbnailViewer: null, pdfRenderingQueue: null, pdfPresentationMode: null, pdfDocumentProperties: null, pdfLinkService: null, pdfHistory: null, pdfSidebar: null, pdfOutlineViewer: null, pdfAttachmentViewer: null, pdfLayerViewer: null, pdfCursorTools: null, pdfScriptingManager: null, store: null, downloadManager: null, overlayManager: null, preferences: null, toolbar: null, secondaryToolbar: null, eventBus: null, l10n: null, annotationEditorParams: null, isInitialViewSet: false, downloadComplete: false, isViewerEmbedded: window.parent !== window, url: '', baseUrl: '', _downloadUrl: '', externalServices: DefaultExternalServices, _boundEvents: Object.create(null), documentInfo: null, metadata: null, _contentDispositionFilename: null, _contentLength: null, _saveInProgress: false, _wheelUnusedTicks: 0, _wheelUnusedFactor: 1, _touchUnusedTicks: 0, _touchUnusedFactor: 1, _PDFBug: null, _hasAnnotationEditors: false, _title: document.title, _printAnnotationStoragePromise: null, _touchInfo: null, _isCtrlKeyDown: false, _nimbusDataPromise: null, async initialize(appConfig) { this.preferences = this.externalServices.createPreferences(); this.appConfig = appConfig; await this._initializeOptions(); this._forceCssTheme(); await this._initializeL10n(); if (this.isViewerEmbedded && _app_options.AppOptions.get('externalLinkTarget') === _pdf_link_service.LinkTarget.NONE) { _app_options.AppOptions.set('externalLinkTarget', _pdf_link_service.LinkTarget.TOP); } await this._initializeViewerComponents(); this.bindEvents(); this.bindWindowEvents(); const appContainer = appConfig.appContainer || document.documentElement; this.l10n.translate(appContainer).then(() => { this.eventBus.dispatch('localized', { source: this }); }); this._initializedCapability.resolve(); }, async _initializeOptions() { if (_app_options.AppOptions.get('disablePreferences')) { if (_app_options.AppOptions.get('pdfBugEnabled')) { await this._parseHashParams(); } return; } if (_app_options.AppOptions._hasUserOptions()) { console.warn( '_initializeOptions: The Preferences may override manually set AppOptions; ' + 'please use the "disablePreferences"-option in order to prevent that.' ); } try { _app_options.AppOptions.setAll(await this.preferences.getAll()); } catch (reason) { console.error(`_initializeOptions: "${reason.message}".`); } if (_app_options.AppOptions.get('pdfBugEnabled')) { await this._parseHashParams(); } }, async _parseHashParams() { const hash = document.location.hash.substring(1); if (!hash) { return; } const { mainContainer, viewerContainer } = this.appConfig, params = (0, _ui_utils.parseQueryString)(hash); if (params.get('disableworker') === 'true') { try { await loadFakeWorker(); } catch (ex) { console.error(`_parseHashParams: "${ex.message}".`); } } if (params.has('disablerange')) { _app_options.AppOptions.set('disableRange', params.get('disablerange') === 'true'); } if (params.has('disablestream')) { _app_options.AppOptions.set('disableStream', params.get('disablestream') === 'true'); } if (params.has('disableautofetch')) { _app_options.AppOptions.set('disableAutoFetch', params.get('disableautofetch') === 'true'); } if (params.has('disablefontface')) { _app_options.AppOptions.set('disableFontFace', params.get('disablefontface') === 'true'); } if (params.has('disablehistory')) { _app_options.AppOptions.set('disableHistory', params.get('disablehistory') === 'true'); } if (params.has('verbosity')) { _app_options.AppOptions.set('verbosity', params.get('verbosity') | 0); } if (params.has('textlayer')) { switch (params.get('textlayer')) { case 'off': _app_options.AppOptions.set('textLayerMode', _ui_utils.TextLayerMode.DISABLE); break; case 'visible': case 'shadow': case 'hover': viewerContainer.classList.add(`textLayer-${params.get('textlayer')}`); try { await loadPDFBug(this); this._PDFBug.loadCSS(); } catch (ex) { console.error(`_parseHashParams: "${ex.message}".`); } break; } } if (params.has('pdfbug')) { _app_options.AppOptions.set('pdfBug', true); _app_options.AppOptions.set('fontExtraProperties', true); const enabled = params.get('pdfbug').split(','); try { await loadPDFBug(this); this._PDFBug.init( { OPS: _pdfjsLib.OPS }, mainContainer, enabled ); } catch (ex) { console.error(`_parseHashParams: "${ex.message}".`); } } if (params.has('locale')) { _app_options.AppOptions.set('locale', params.get('locale')); } }, async _initializeL10n() { this.l10n = this.externalServices.createL10n({ locale: _app_options.AppOptions.get('locale') }); const dir = await this.l10n.getDirection(); document.getElementsByTagName('html')[0].dir = dir; }, _forceCssTheme() { const cssTheme = _app_options.AppOptions.get('viewerCssTheme'); if (cssTheme === ViewerCssTheme.AUTOMATIC || !Object.values(ViewerCssTheme).includes(cssTheme)) { return; } try { const styleSheet = document.styleSheets[0]; const cssRules = styleSheet?.cssRules || []; for (let i = 0, ii = cssRules.length; i < ii; i++) { const rule = cssRules[i]; if (rule instanceof CSSMediaRule && rule.media?.[0] === '(prefers-color-scheme: dark)') { if (cssTheme === ViewerCssTheme.LIGHT) { styleSheet.deleteRule(i); return; } const darkRules = /^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(rule.cssText); if (darkRules?.[1]) { styleSheet.deleteRule(i); styleSheet.insertRule(darkRules[1], i); } return; } } } catch (reason) { console.error(`_forceCssTheme: "${reason?.message}".`); } }, async _initializeViewerComponents() { const { appConfig, externalServices, l10n } = this; const eventBus = externalServices.isInAutomation ? new _event_utils.AutomationEventBus() : new _event_utils.EventBus(); this.eventBus = eventBus; this.overlayManager = new _overlay_manager.OverlayManager(); const pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue(); pdfRenderingQueue.onIdle = this._cleanup.bind(this); this.pdfRenderingQueue = pdfRenderingQueue; const pdfLinkService = new _pdf_link_service.PDFLinkService({ eventBus, externalLinkTarget: _app_options.AppOptions.get('externalLinkTarget'), externalLinkRel: _app_options.AppOptions.get('externalLinkRel'), ignoreDestinationZoom: _app_options.AppOptions.get('ignoreDestinationZoom') }); this.pdfLinkService = pdfLinkService; const downloadManager = externalServices.createDownloadManager(); this.downloadManager = downloadManager; const findController = new _pdf_find_controller.PDFFindController({ linkService: pdfLinkService, eventBus, updateMatchesCountOnProgress: true }); this.findController = findController; const pdfScriptingManager = new _pdf_scripting_manager.PDFScriptingManager({ eventBus, sandboxBundleSrc: _app_options.AppOptions.get('sandboxBundleSrc'), scriptingFactory: externalServices, docPropertiesLookup: this._scriptingDocProperties.bind(this) }); this.pdfScriptingManager = pdfScriptingManager; const container = appConfig.mainContainer, viewer = appConfig.viewerContainer; const annotationEditorMode = _app_options.AppOptions.get('annotationEditorMode'); const pageColors = _app_options.AppOptions.get('forcePageColors') || window.matchMedia('(forced-colors: active)').matches ? { background: _app_options.AppOptions.get('pageColorsBackground'), foreground: _app_options.AppOptions.get('pageColorsForeground') } : null; const pdfViewer = new _pdf_viewer.PDFViewer({ container, viewer, eventBus, renderingQueue: pdfRenderingQueue, linkService: pdfLinkService, downloadManager, findController, scriptingManager: _app_options.AppOptions.get('enableScripting') && pdfScriptingManager, l10n, textLayerMode: _app_options.AppOptions.get('textLayerMode'), annotationMode: _app_options.AppOptions.get('annotationMode'), annotationEditorMode, imageResourcesPath: _app_options.AppOptions.get('imageResourcesPath'), enablePrintAutoRotate: _app_options.AppOptions.get('enablePrintAutoRotate'), useOnlyCssZoom: _app_options.AppOptions.get('useOnlyCssZoom'), isOffscreenCanvasSupported: _app_options.AppOptions.get('isOffscreenCanvasSupported'), maxCanvasPixels: _app_options.AppOptions.get('maxCanvasPixels'), enablePermissions: _app_options.AppOptions.get('enablePermissions'), pageColors }); this.pdfViewer = pdfViewer; pdfRenderingQueue.setViewer(pdfViewer); pdfLinkService.setViewer(pdfViewer); pdfScriptingManager.setViewer(pdfViewer); if (appConfig.sidebar?.thumbnailView) { this.pdfThumbnailViewer = new _webPdf_thumbnail_viewer.PDFThumbnailViewer({ container: appConfig.sidebar.thumbnailView, eventBus, renderingQueue: pdfRenderingQueue, linkService: pdfLinkService, l10n, pageColors }); pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer); } if (!this.isViewerEmbedded && !_app_options.AppOptions.get('disableHistory')) { this.pdfHistory = new _pdf_history.PDFHistory({ linkService: pdfLinkService, eventBus }); pdfLinkService.setHistory(this.pdfHistory); } if (!this.supportsIntegratedFind && appConfig.findBar) { this.findBar = new _webPdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, l10n); } if (appConfig.annotationEditorParams) { if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) { this.annotationEditorParams = new _webAnnotation_editor_params.AnnotationEditorParams(appConfig.annotationEditorParams, eventBus); } else { for (const id of ['editorModeButtons', 'editorModeSeparator']) { document.getElementById(id)?.classList.add('hidden'); } } } if (appConfig.documentProperties) { this.pdfDocumentProperties = new _webPdf_document_properties.PDFDocumentProperties( appConfig.documentProperties, this.overlayManager, eventBus, l10n, () => this._docFilename ); } if (appConfig.secondaryToolbar?.cursorHandToolButton) { this.pdfCursorTools = new _webPdf_cursor_tools.PDFCursorTools({ container, eventBus, cursorToolOnLoad: _app_options.AppOptions.get('cursorToolOnLoad') }); } if (appConfig.toolbar) { this.toolbar = new _webToolbar.Toolbar(appConfig.toolbar, eventBus, l10n); } if (appConfig.secondaryToolbar) { this.secondaryToolbar = new _webSecondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, eventBus, externalServices); } if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) { this.pdfPresentationMode = new _webPdf_presentation_mode.PDFPresentationMode({ container, pdfViewer, eventBus }); } if (appConfig.passwordOverlay) { this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, l10n, this.isViewerEmbedded); } if (appConfig.sidebar?.outlineView) { this.pdfOutlineViewer = new _webPdf_outline_viewer.PDFOutlineViewer({ container: appConfig.sidebar.outlineView, eventBus, linkService: pdfLinkService, downloadManager }); } if (appConfig.sidebar?.attachmentsView) { this.pdfAttachmentViewer = new _webPdf_attachment_viewer.PDFAttachmentViewer({ container: appConfig.sidebar.attachmentsView, eventBus, downloadManager }); } if (appConfig.sidebar?.layersView) { this.pdfLayerViewer = new _webPdf_layer_viewer.PDFLayerViewer({ container: appConfig.sidebar.layersView, eventBus, l10n }); } if (appConfig.sidebar) { this.pdfSidebar = new _webPdf_sidebar.PDFSidebar({ elements: appConfig.sidebar, eventBus, l10n }); this.pdfSidebar.onToggled = this.forceRendering.bind(this); this.pdfSidebar.onUpdateThumbnails = () => { for (const pageView of pdfViewer.getCachedPageViews()) { if (pageView.renderingState === _ui_utils.RenderingStates.FINISHED) { this.pdfThumbnailViewer.getThumbnail(pageView.id - 1)?.setImage(pageView); } } this.pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber); }; } }, run(config) { this.initialize(config).then(webViewerInitialized); }, get initialized() { return this._initializedCapability.settled; }, get initializedPromise() { return this._initializedCapability.promise; }, zoomIn(steps, scaleFactor) { if (this.pdfViewer.isInPresentationMode) { return; } this.pdfViewer.increaseScale({ drawingDelay: _app_options.AppOptions.get('defaultZoomDelay'), steps, scaleFactor }); }, zoomOut(steps, scaleFactor) { if (this.pdfViewer.isInPresentationMode) { return; } this.pdfViewer.decreaseScale({ drawingDelay: _app_options.AppOptions.get('defaultZoomDelay'), steps, scaleFactor }); }, zoomReset() { if (this.pdfViewer.isInPresentationMode) { return; } this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; }, get pagesCount() { return this.pdfDocument ? this.pdfDocument.numPages : 0; }, get page() { return this.pdfViewer.currentPageNumber; }, set page(val) { this.pdfViewer.currentPageNumber = val; }, get supportsPrinting() { return PDFPrintServiceFactory.instance.supportsPrinting; }, get supportsFullscreen() { return (0, _pdfjsLib.shadow)(this, 'supportsFullscreen', document.fullscreenEnabled); }, get supportsPinchToZoom() { return this.externalServices.supportsPinchToZoom; }, get supportsIntegratedFind() { return this.externalServices.supportsIntegratedFind; }, get supportsDocumentFonts() { return this.externalServices.supportsDocumentFonts; }, get loadingBar() { const barElement = document.getElementById('loadingBar'); const bar = barElement ? new _ui_utils.ProgressBar(barElement) : null; return (0, _pdfjsLib.shadow)(this, 'loadingBar', bar); }, get supportedMouseWheelZoomModifierKeys() { return this.externalServices.supportedMouseWheelZoomModifierKeys; }, initPassiveLoading() { throw new Error('Not implemented: initPassiveLoading'); }, setTitleUsingUrl(url = '', downloadUrl = null) { this.url = url; this.baseUrl = url.split('#')[0]; if (downloadUrl) { this._downloadUrl = downloadUrl === url ? this.baseUrl : downloadUrl.split('#')[0]; } if ((0, _pdfjsLib.isDataScheme)(url)) { this._hideViewBookmark(); } let title = (0, _pdfjsLib.getPdfFilenameFromUrl)(url, ''); if (!title) { try { title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url; } catch (ex) { title = url; } } this.setTitle(title); }, setTitle(title = this._title) { this._title = title; if (this.isViewerEmbedded) { return; } const editorIndicator = this._hasAnnotationEditors && !this.pdfRenderingQueue.printing; document.title = `${editorIndicator ? '* ' : ''}${title}`; }, get _docFilename() { return this._contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(this.url); }, _hideViewBookmark() { const { secondaryToolbar } = this.appConfig; secondaryToolbar?.viewBookmarkButton.classList.add('hidden'); if (secondaryToolbar?.presentationModeButton.classList.contains('hidden')) { document.getElementById('viewBookmarkSeparator')?.classList.add('hidden'); } }, async close() { this._unblockDocumentLoadEvent(); this._hideViewBookmark(); if (!this.pdfLoadingTask) { return; } if (this.pdfDocument?.annotationStorage.size > 0 && this._annotationStorageModified) { try { await this.save(); } catch (reason) {} } const promises = []; promises.push(this.pdfLoadingTask.destroy()); this.pdfLoadingTask = null; if (this.pdfDocument) { this.pdfDocument = null; this.pdfThumbnailViewer?.setDocument(null); this.pdfViewer.setDocument(null); this.pdfLinkService.setDocument(null); this.pdfDocumentProperties?.setDocument(null); } this.pdfLinkService.externalLinkEnabled = true; this.store = null; this.isInitialViewSet = false; this.downloadComplete = false; this.url = ''; this.baseUrl = ''; this._downloadUrl = ''; this.documentInfo = null; this.metadata = null; this._contentDispositionFilename = null; this._contentLength = null; this._saveInProgress = false; this._hasAnnotationEditors = false; promises.push(this.pdfScriptingManager.destroyPromise); this.setTitle(); this.pdfSidebar?.reset(); this.pdfOutlineViewer?.reset(); this.pdfAttachmentViewer?.reset(); this.pdfLayerViewer?.reset(); this.pdfHistory?.reset(); this.findBar?.reset(); this.toolbar?.reset(); this.secondaryToolbar?.reset(); this._PDFBug?.cleanup(); await Promise.all(promises); }, async open(args) { let deprecatedArgs = false; if (typeof args === 'string') { args = { url: args }; deprecatedArgs = true; } else if (args?.byteLength) { args = { data: args }; deprecatedArgs = true; } if (deprecatedArgs) { console.error('The `PDFViewerApplication.open` signature was updated, please use an object instead.'); } if (this.pdfLoadingTask) { await this.close(); } const workerParams = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER); Object.assign(_pdfjsLib.GlobalWorkerOptions, workerParams); if (args.url) { this.setTitleUsingUrl(args.originalUrl || args.url, args.url); } const apiParams = _app_options.AppOptions.getAll(_app_options.OptionKind.API); const params = { canvasMaxAreaInBytes: this.externalServices.canvasMaxAreaInBytes, ...apiParams, ...args }; const loadingTask = (0, _pdfjsLib.getDocument)(params); this.pdfLoadingTask = loadingTask; loadingTask.onPassword = (updateCallback, reason) => { if (this.isViewerEmbedded) { this._unblockDocumentLoadEvent(); } this.pdfLinkService.externalLinkEnabled = false; this.passwordPrompt.setUpdateCallback(updateCallback, reason); this.passwordPrompt.open(); }; loadingTask.onProgress = ({ loaded, total }) => { this.progress(loaded / total); }; return loadingTask.promise.then( (pdfDocument) => { this.load(pdfDocument); }, (reason) => { if (loadingTask !== this.pdfLoadingTask) { return undefined; } let key = 'loading_error'; if (reason instanceof _pdfjsLib.InvalidPDFException) { key = 'invalid_file_error'; } else if (reason instanceof _pdfjsLib.MissingPDFException) { key = 'missing_file_error'; } else if (reason instanceof _pdfjsLib.UnexpectedResponseException) { key = 'unexpected_response_error'; } return this.l10n.get(key).then((msg) => { this._documentError(msg, { message: reason?.message }); throw reason; }); } ); }, _ensureDownloadComplete() { if (this.pdfDocument && this.downloadComplete) { return; } throw new Error('PDF document not downloaded.'); }, async download(options = {}) { const url = this._downloadUrl, filename = this._docFilename; try { this._ensureDownloadComplete(); const data = await this.pdfDocument.getData(); const blob = new Blob([data], { type: 'application/pdf' }); await this.downloadManager.download(blob, url, filename, options); } catch (reason) { await this.downloadManager.downloadUrl(url, filename, options); } }, async save(options = {}) { if (this._saveInProgress) { return; } this._saveInProgress = true; await this.pdfScriptingManager.dispatchWillSave(); const url = this._downloadUrl, filename = this._docFilename; try { this._ensureDownloadComplete(); const data = await this.pdfDocument.saveDocument(); const blob = new Blob([data], { type: 'application/pdf' }); await this.downloadManager.download(blob, url, filename, options); } catch (reason) { console.error(`Error when saving the document: ${reason.message}`); await this.download(options); } finally { await this.pdfScriptingManager.dispatchDidSave(); this._saveInProgress = false; } if (this._hasAnnotationEditors) { this.externalServices.reportTelemetry({ type: 'editing', data: { type: 'save' } }); } }, downloadOrSave(options = {}) { if (this.pdfDocument?.annotationStorage.size > 0) { this.save(options); } else { this.download(options); } }, openInExternalApp() { this.downloadOrSave({ openInExternalApp: true }); }, _documentError(message, moreInfo = null) { this._unblockDocumentLoadEvent(); this._otherError(message, moreInfo); this.eventBus.dispatch('documenterror', { source: this, message, reason: moreInfo?.message ?? null }); }, _otherError(message, moreInfo = null) { const moreInfoText = [`PDF.js v${_pdfjsLib.version || '?'} (build: ${_pdfjsLib.build || '?'})`]; if (moreInfo) { moreInfoText.push(`Message: ${moreInfo.message}`); if (moreInfo.stack) { moreInfoText.push(`Stack: ${moreInfo.stack}`); } else { if (moreInfo.filename) { moreInfoText.push(`File: ${moreInfo.filename}`); } if (moreInfo.lineNumber) { moreInfoText.push(`Line: ${moreInfo.lineNumber}`); } } } console.error(`${message}\n\n${moreInfoText.join('\n')}`); }, progress(level) { if (!this.loadingBar || this.downloadComplete) { return; } const percent = Math.round(level * 100); if (percent <= this.loadingBar.percent) { return; } this.loadingBar.percent = percent; if (this.pdfDocument?.loadingParams.disableAutoFetch ?? _app_options.AppOptions.get('disableAutoFetch')) { this.loadingBar.setDisableAutoFetch(); } }, load(pdfDocument) { this.pdfDocument = pdfDocument; pdfDocument.getDownloadInfo().then(({ length }) => { this._contentLength = length; this.downloadComplete = true; this.loadingBar?.hide(); firstPagePromise.then(() => { this.eventBus.dispatch('documentloaded', { source: this }); }); }); const pageLayoutPromise = pdfDocument.getPageLayout().catch(function () {}); const pageModePromise = pdfDocument.getPageMode().catch(function () {}); const openActionPromise = pdfDocument.getOpenAction().catch(function () {}); this.toolbar?.setPagesCount(pdfDocument.numPages, false); this.secondaryToolbar?.setPagesCount(pdfDocument.numPages); this.pdfLinkService.setDocument(pdfDocument); this.pdfDocumentProperties?.setDocument(pdfDocument); const pdfViewer = this.pdfViewer; pdfViewer.setDocument(pdfDocument); const { firstPagePromise, onePageRendered, pagesPromise } = pdfViewer; this.pdfThumbnailViewer?.setDocument(pdfDocument); const storedPromise = (this.store = new _view_history.ViewHistory(pdfDocument.fingerprints[0])) .getMultiple({ page: null, zoom: _ui_utils.DEFAULT_SCALE_VALUE, scrollLeft: '0', scrollTop: '0', rotation: null, sidebarView: _ui_utils.SidebarView.UNKNOWN, scrollMode: _ui_utils.ScrollMode.UNKNOWN, spreadMode: _ui_utils.SpreadMode.UNKNOWN }) .catch(() => { return Object.create(null); }); firstPagePromise.then((pdfPage) => { this.loadingBar?.setWidth(this.appConfig.viewerContainer); this._initializeAnnotationStorageCallbacks(pdfDocument); Promise.all([_ui_utils.animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]) .then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => { const viewOnLoad = _app_options.AppOptions.get('viewOnLoad'); this._initializePdfHistory({ fingerprint: pdfDocument.fingerprints[0], viewOnLoad, initialDest: openAction?.dest }); const initialBookmark = this.initialBookmark; const zoom = _app_options.AppOptions.get('defaultZoomValue'); let hash = zoom ? `zoom=${zoom}` : null; let rotation = null; let sidebarView = _app_options.AppOptions.get('sidebarViewOnLoad'); let scrollMode = _app_options.AppOptions.get('scrollModeOnLoad'); let spreadMode = _app_options.AppOptions.get('spreadModeOnLoad'); if (stored.page && viewOnLoad !== ViewOnLoad.INITIAL) { hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`; rotation = parseInt(stored.rotation, 10); if (sidebarView === _ui_utils.SidebarView.UNKNOWN) { sidebarView = stored.sidebarView | 0; } if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) { scrollMode = stored.scrollMode | 0; } if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) { spreadMode = stored.spreadMode | 0; } } if (pageMode && sidebarView === _ui_utils.SidebarView.UNKNOWN) { sidebarView = (0, _ui_utils.apiPageModeToSidebarView)(pageMode); } if (pageLayout && scrollMode === _ui_utils.ScrollMode.UNKNOWN && spreadMode === _ui_utils.SpreadMode.UNKNOWN) { const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(pageLayout); spreadMode = modes.spreadMode; } this.setInitialView(hash, { rotation, sidebarView, scrollMode, spreadMode }); this.eventBus.dispatch('documentinit', { source: this }); if (!this.isViewerEmbedded) { pdfViewer.focus(); } await Promise.race([ pagesPromise, new Promise((resolve) => { setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT); }) ]); if (!initialBookmark && !hash) { return; } if (pdfViewer.hasEqualPageSizes) { return; } this.initialBookmark = initialBookmark; pdfViewer.currentScaleValue = pdfViewer.currentScaleValue; this.setInitialView(hash); }) .catch(() => { this.setInitialView(); }) .then(function () { pdfViewer.update(); }); }); pagesPromise.then( () => { this._unblockDocumentLoadEvent(); this._initializeAutoPrint(pdfDocument, openActionPromise); }, (reason) => { this.l10n.get('loading_error').then((msg) => { this._documentError(msg, { message: reason?.message }); }); } ); onePageRendered.then((data) => { this.externalServices.reportTelemetry({ type: 'pageInfo', timestamp: data.timestamp }); if (this.pdfOutlineViewer) { pdfDocument.getOutline().then((outline) => { if (pdfDocument !== this.pdfDocument) { return; } this.pdfOutlineViewer.render({ outline, pdfDocument }); }); } if (this.pdfAttachmentViewer) { pdfDocument.getAttachments().then((attachments) => { if (pdfDocument !== this.pdfDocument) { return; } this.pdfAttachmentViewer.render({ attachments }); }); } if (this.pdfLayerViewer) { pdfViewer.optionalContentConfigPromise.then((optionalContentConfig) => { if (pdfDocument !== this.pdfDocument) { return; } this.pdfLayerViewer.render({ optionalContentConfig, pdfDocument }); }); } }); this._initializePageLabels(pdfDocument); this._initializeMetadata(pdfDocument); }, async _scriptingDocProperties(pdfDocument) { if (!this.documentInfo) { await new Promise((resolve) => { this.eventBus._on('metadataloaded', resolve, { once: true }); }); if (pdfDocument !== this.pdfDocument) { return null; } } if (!this._contentLength) { await new Promise((resolve) => { this.eventBus._on('documentloaded', resolve, { once: true }); }); if (pdfDocument !== this.pdfDocument) { return null; } } return { ...this.documentInfo, baseURL: this.baseUrl, filesize: this._contentLength, filename: this._docFilename, metadata: this.metadata?.getRaw(), authors: this.metadata?.get('dc:creator'), numPages: this.pagesCount, URL: this.url }; }, async _initializeAutoPrint(pdfDocument, openActionPromise) { const [openAction, javaScript] = await Promise.all([ openActionPromise, !this.pdfViewer.enableScripting ? pdfDocument.getJavaScript() : null ]); if (pdfDocument !== this.pdfDocument) { return; } let triggerAutoPrint = false; if (openAction?.action === 'Print') { triggerAutoPrint = true; } if (javaScript) { javaScript.some((js) => { if (!js) { return false; } console.warn('Warning: JavaScript support is not enabled'); return true; }); if (!triggerAutoPrint) { for (const js of javaScript) { if (js && _ui_utils.AutoPrintRegExp.test(js)) { triggerAutoPrint = true; break; } } } } if (triggerAutoPrint) { this.triggerPrinting(); } }, async _initializeMetadata(pdfDocument) { const { info, metadata, contentDispositionFilename, contentLength } = await pdfDocument.getMetadata(); if (pdfDocument !== this.pdfDocument) { return; } this.documentInfo = info; this.metadata = metadata; this._contentDispositionFilename ??= contentDispositionFilename; this._contentLength ??= contentLength; console.log( `PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` + `${(info.Producer || '-').trim()} / ${(info.Creator || '-').trim()}] ` + `(PDF.js: ${_pdfjsLib.version || '?'} [${_pdfjsLib.build || '?'}])` ); let pdfTitle = info.Title; const metadataTitle = metadata?.get('dc:title'); if (metadataTitle) { if (metadataTitle !== 'Untitled' && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) { pdfTitle = metadataTitle; } } if (pdfTitle) { this.setTitle(`${pdfTitle} - ${this._contentDispositionFilename || this._title}`); } else if (this._contentDispositionFilename) { this.setTitle(this._contentDispositionFilename); } if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) { if (pdfDocument.loadingParams.enableXfa) { console.warn('Warning: XFA Foreground documents are not supported'); } else { console.warn('Warning: XFA support is not enabled'); } } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderForms) { console.warn('Warning: Interactive form support is not enabled'); } if (info.IsSignaturesPresent) { console.warn('Warning: Digital signatures validation is not supported'); } this.eventBus.dispatch('metadataloaded', { source: this }); }, async _initializePageLabels(pdfDocument) { const labels = await pdfDocument.getPageLabels(); if (pdfDocument !== this.pdfDocument) { return; } if (!labels || _app_options.AppOptions.get('disablePageLabels')) { return; } const numLabels = labels.length; let standardLabels = 0, emptyLabels = 0; for (let i = 0; i < numLabels; i++) { const label = labels[i]; if (label === (i + 1).toString()) { standardLabels++; } else if (label === '') { emptyLabels++; } else { break; } } if (standardLabels >= numLabels || emptyLabels >= numLabels) { return; } const { pdfViewer, pdfThumbnailViewer, toolbar } = this; pdfViewer.setPageLabels(labels); pdfThumbnailViewer?.setPageLabels(labels); toolbar?.setPagesCount(numLabels, true); toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel); }, _initializePdfHistory({ fingerprint, viewOnLoad, initialDest = null }) { if (!this.pdfHistory) { return; } this.pdfHistory.initialize({ fingerprint, resetHistory: viewOnLoad === ViewOnLoad.INITIAL, updateUrl: _app_options.AppOptions.get('historyUpdateUrl') }); if (this.pdfHistory.initialBookmark) { this.initialBookmark = this.pdfHistory.initialBookmark; this.initialRotation = this.pdfHistory.initialRotation; } if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) { this.initialBookmark = JSON.stringify(initialDest); this.pdfHistory.push({ explicitDest: initialDest, pageNumber: null }); } }, _initializeAnnotationStorageCallbacks(pdfDocument) { if (pdfDocument !== this.pdfDocument) { return; } const { annotationStorage } = pdfDocument; annotationStorage.onSetModified = () => { window.addEventListener('beforeunload', beforeUnload); this._annotationStorageModified = true; }; annotationStorage.onResetModified = () => { window.removeEventListener('beforeunload', beforeUnload); delete this._annotationStorageModified; }; annotationStorage.onAnnotationEditor = (typeStr) => { this._hasAnnotationEditors = !!typeStr; this.setTitle(); if (typeStr) { this.externalServices.reportTelemetry({ type: 'editing', data: { type: typeStr } }); } }; }, setInitialView(storedHash, { rotation, sidebarView, scrollMode, spreadMode } = {}) { const setRotation = (angle) => { if ((0, _ui_utils.isValidRotation)(angle)) { this.pdfViewer.pagesRotation = angle; } }; const setViewerModes = (scroll, spread) => { if ((0, _ui_utils.isValidScrollMode)(scroll)) { this.pdfViewer.scrollMode = scroll; } if ((0, _ui_utils.isValidSpreadMode)(spread)) { this.pdfViewer.spreadMode = spread; } }; this.isInitialViewSet = true; this.pdfSidebar?.setInitialView(sidebarView); setViewerModes(scrollMode, spreadMode); if (this.initialBookmark) { setRotation(this.initialRotation); delete this.initialRotation; this.pdfLinkService.setHash(this.initialBookmark); this.initialBookmark = null; } else if (storedHash) { setRotation(rotation); this.pdfLinkService.setHash(storedHash); } this.toolbar?.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel); this.secondaryToolbar?.setPageNumber(this.pdfViewer.currentPageNumber); if (!this.pdfViewer.currentScaleValue) { this.pdfViewer.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; } }, _cleanup() { if (!this.pdfDocument) { return; } this.pdfViewer.cleanup(); this.pdfThumbnailViewer?.cleanup(); this.pdfDocument.cleanup(); }, forceRendering() { this.pdfRenderingQueue.printing = !!this.printService; this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS; this.pdfRenderingQueue.renderHighestPriority(); }, beforePrint() { this._printAnnotationStoragePromise = this.pdfScriptingManager .dispatchWillPrint() .catch(() => {}) .then(() => { return this.pdfDocument?.annotationStorage.print; }); if (this.printService) { return; } if (!this.supportsPrinting) { this.l10n.get('printing_not_supported').then((msg) => { this._otherError(msg); }); return; } if (!this.pdfViewer.pageViewsReady) { this.l10n.get('printing_not_ready').then((msg) => { window.alert(msg); }); return; } const pagesOverview = this.pdfViewer.getPagesOverview(); const printContainer = this.appConfig.printContainer; const printResolution = _app_options.AppOptions.get('printResolution'); const optionalContentConfigPromise = this.pdfViewer.optionalContentConfigPromise; const printService = PDFPrintServiceFactory.instance.createPrintService( this.pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, this._printAnnotationStoragePromise, this.l10n ); this.printService = printService; this.forceRendering(); this.setTitle(); printService.layout(); if (this._hasAnnotationEditors) { this.externalServices.reportTelemetry({ type: 'editing', data: { type: 'print' } }); } }, afterPrint() { if (this._printAnnotationStoragePromise) { this._printAnnotationStoragePromise.then(() => { this.pdfScriptingManager.dispatchDidPrint(); }); this._printAnnotationStoragePromise = null; } if (this.printService) { this.printService.destroy(); this.printService = null; this.pdfDocument?.annotationStorage.resetModified(); } this.forceRendering(); this.setTitle(); }, rotatePages(delta) { this.pdfViewer.pagesRotation += delta; }, requestPresentationMode() { this.pdfPresentationMode?.request(); }, triggerPrinting() { if (!this.supportsPrinting) { return; } window.print(); }, bindEvents() { const { eventBus, _boundEvents } = this; _boundEvents.beforePrint = this.beforePrint.bind(this); _boundEvents.afterPrint = this.afterPrint.bind(this); eventBus._on('resize', webViewerResize); eventBus._on('hashchange', webViewerHashchange); eventBus._on('beforeprint', _boundEvents.beforePrint); eventBus._on('afterprint', _boundEvents.afterPrint); eventBus._on('pagerender', webViewerPageRender); eventBus._on('pagerendered', webViewerPageRendered); eventBus._on('updateviewarea', webViewerUpdateViewarea); eventBus._on('pagechanging', webViewerPageChanging); eventBus._on('scalechanging', webViewerScaleChanging); eventBus._on('rotationchanging', webViewerRotationChanging); eventBus._on('sidebarviewchanged', webViewerSidebarViewChanged); eventBus._on('pagemode', webViewerPageMode); eventBus._on('namedaction', webViewerNamedAction); eventBus._on('presentationmodechanged', webViewerPresentationModeChanged); eventBus._on('presentationmode', webViewerPresentationMode); eventBus._on('switchannotationeditormode', webViewerSwitchAnnotationEditorMode); eventBus._on('switchannotationeditorparams', webViewerSwitchAnnotationEditorParams); eventBus._on('print', webViewerPrint); eventBus._on('download', webViewerDownload); eventBus._on('openinexternalapp', webViewerOpenInExternalApp); eventBus._on('firstpage', webViewerFirstPage); eventBus._on('lastpage', webViewerLastPage); eventBus._on('nextpage', webViewerNextPage); eventBus._on('previouspage', webViewerPreviousPage); eventBus._on('zoomin', webViewerZoomIn); eventBus._on('zoomout', webViewerZoomOut); eventBus._on('zoomreset', webViewerZoomReset); eventBus._on('pagenumberchanged', webViewerPageNumberChanged); eventBus._on('scalechanged', webViewerScaleChanged); eventBus._on('rotatecw', webViewerRotateCw); eventBus._on('rotateccw', webViewerRotateCcw); eventBus._on('optionalcontentconfig', webViewerOptionalContentConfig); eventBus._on('switchscrollmode', webViewerSwitchScrollMode); eventBus._on('scrollmodechanged', webViewerScrollModeChanged); eventBus._on('switchspreadmode', webViewerSwitchSpreadMode); eventBus._on('spreadmodechanged', webViewerSpreadModeChanged); eventBus._on('documentproperties', webViewerDocumentProperties); eventBus._on('findfromurlhash', webViewerFindFromUrlHash); eventBus._on('updatefindmatchescount', webViewerUpdateFindMatchesCount); eventBus._on('updatefindcontrolstate', webViewerUpdateFindControlState); if (_app_options.AppOptions.get('pdfBug')) { _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug; eventBus._on('pagerendered', _boundEvents.reportPageStatsPDFBug); eventBus._on('pagechanging', _boundEvents.reportPageStatsPDFBug); } eventBus._on('fileinputchange', webViewerFileInputChange); eventBus._on('openfile', webViewerOpenFile); }, bindWindowEvents() { const { eventBus, _boundEvents } = this; function addWindowResolutionChange(evt = null) { if (evt) { webViewerResolutionChange(evt); } const mediaQueryList = window.matchMedia(`(resolution: ${window.devicePixelRatio || 1}dppx)`); mediaQueryList.addEventListener('change', addWindowResolutionChange, { once: true }); _boundEvents.removeWindowResolutionChange ||= function () { mediaQueryList.removeEventListener('change', addWindowResolutionChange); _boundEvents.removeWindowResolutionChange = null; }; } addWindowResolutionChange(); _boundEvents.windowResize = () => { eventBus.dispatch('resize', { source: window }); }; _boundEvents.windowHashChange = () => { eventBus.dispatch('hashchange', { source: window, hash: document.location.hash.substring(1) }); }; _boundEvents.windowBeforePrint = () => { eventBus.dispatch('beforeprint', { source: window }); }; _boundEvents.windowAfterPrint = () => { eventBus.dispatch('afterprint', { source: window }); }; _boundEvents.windowUpdateFromSandbox = (event) => { eventBus.dispatch('updatefromsandbox', { source: window, detail: event.detail }); }; window.addEventListener('visibilitychange', webViewerVisibilityChange); window.addEventListener('wheel', webViewerWheel, { passive: false }); window.addEventListener('touchstart', webViewerTouchStart, { passive: false }); window.addEventListener('touchmove', webViewerTouchMove, { passive: false }); window.addEventListener('touchend', webViewerTouchEnd, { passive: false }); window.addEventListener('click', webViewerClick); window.addEventListener('keydown', webViewerKeyDown); window.addEventListener('keyup', webViewerKeyUp); window.addEventListener('resize', _boundEvents.windowResize); window.addEventListener('hashchange', _boundEvents.windowHashChange); window.addEventListener('beforeprint', _boundEvents.windowBeforePrint); window.addEventListener('afterprint', _boundEvents.windowAfterPrint); window.addEventListener('updatefromsandbox', _boundEvents.windowUpdateFromSandbox); }, unbindEvents() { const { eventBus, _boundEvents } = this; eventBus._off('resize', webViewerResize); eventBus._off('hashchange', webViewerHashchange); eventBus._off('beforeprint', _boundEvents.beforePrint); eventBus._off('afterprint', _boundEvents.afterPrint); eventBus._off('pagerender', webViewerPageRender); eventBus._off('pagerendered', webViewerPageRendered); eventBus._off('updateviewarea', webViewerUpdateViewarea); eventBus._off('pagechanging', webViewerPageChanging); eventBus._off('scalechanging', webViewerScaleChanging); eventBus._off('rotationchanging', webViewerRotationChanging); eventBus._off('sidebarviewchanged', webViewerSidebarViewChanged); eventBus._off('pagemode', webViewerPageMode); eventBus._off('namedaction', webViewerNamedAction); eventBus._off('presentationmodechanged', webViewerPresentationModeChanged); eventBus._off('presentationmode', webViewerPresentationMode); eventBus._off('print', webViewerPrint); eventBus._off('download', webViewerDownload); eventBus._off('openinexternalapp', webViewerOpenInExternalApp); eventBus._off('firstpage', webViewerFirstPage); eventBus._off('lastpage', webViewerLastPage); eventBus._off('nextpage', webViewerNextPage); eventBus._off('previouspage', webViewerPreviousPage); eventBus._off('zoomin', webViewerZoomIn); eventBus._off('zoomout', webViewerZoomOut); eventBus._off('zoomreset', webViewerZoomReset); eventBus._off('pagenumberchanged', webViewerPageNumberChanged); eventBus._off('scalechanged', webViewerScaleChanged); eventBus._off('rotatecw', webViewerRotateCw); eventBus._off('rotateccw', webViewerRotateCcw); eventBus._off('optionalcontentconfig', webViewerOptionalContentConfig); eventBus._off('switchscrollmode', webViewerSwitchScrollMode); eventBus._off('scrollmodechanged', webViewerScrollModeChanged); eventBus._off('switchspreadmode', webViewerSwitchSpreadMode); eventBus._off('spreadmodechanged', webViewerSpreadModeChanged); eventBus._off('documentproperties', webViewerDocumentProperties); eventBus._off('findfromurlhash', webViewerFindFromUrlHash); eventBus._off('updatefindmatchescount', webViewerUpdateFindMatchesCount); eventBus._off('updatefindcontrolstate', webViewerUpdateFindControlState); if (_boundEvents.reportPageStatsPDFBug) { eventBus._off('pagerendered', _boundEvents.reportPageStatsPDFBug); eventBus._off('pagechanging', _boundEvents.reportPageStatsPDFBug); _boundEvents.reportPageStatsPDFBug = null; } eventBus._off('fileinputchange', webViewerFileInputChange); eventBus._off('openfile', webViewerOpenFile); _boundEvents.beforePrint = null; _boundEvents.afterPrint = null; }, unbindWindowEvents() { const { _boundEvents } = this; window.removeEventListener('visibilitychange', webViewerVisibilityChange); window.removeEventListener('wheel', webViewerWheel, { passive: false }); window.removeEventListener('touchstart', webViewerTouchStart, { passive: false }); window.removeEventListener('touchmove', webViewerTouchMove, { passive: false }); window.removeEventListener('touchend', webViewerTouchEnd, { passive: false }); window.removeEventListener('click', webViewerClick); window.removeEventListener('keydown', webViewerKeyDown); window.removeEventListener('keyup', webViewerKeyUp); window.removeEventListener('resize', _boundEvents.windowResize); window.removeEventListener('hashchange', _boundEvents.windowHashChange); window.removeEventListener('beforeprint', _boundEvents.windowBeforePrint); window.removeEventListener('afterprint', _boundEvents.windowAfterPrint); window.removeEventListener('updatefromsandbox', _boundEvents.windowUpdateFromSandbox); _boundEvents.removeWindowResolutionChange?.(); _boundEvents.windowResize = null; _boundEvents.windowHashChange = null; _boundEvents.windowBeforePrint = null; _boundEvents.windowAfterPrint = null; _boundEvents.windowUpdateFromSandbox = null; }, _accumulateTicks(ticks, prop) { if ((this[prop] > 0 && ticks < 0) || (this[prop] < 0 && ticks > 0)) { this[prop] = 0; } this[prop] += ticks; const wholeTicks = Math.trunc(this[prop]); this[prop] -= wholeTicks; return wholeTicks; }, _accumulateFactor(previousScale, factor, prop) { if (factor === 1) { return 1; } if ((this[prop] > 1 && factor < 1) || (this[prop] < 1 && factor > 1)) { this[prop] = 1; } const newFactor = Math.floor(previousScale * factor * this[prop] * 100) / (100 * previousScale); this[prop] = factor / newFactor; return newFactor; }, _centerAtPos(previousScale, x, y) { const { pdfViewer } = this; const scaleDiff = pdfViewer.currentScale / previousScale - 1; if (scaleDiff !== 0) { const [top, left] = pdfViewer.containerTopLeft; pdfViewer.container.scrollLeft += (x - left) * scaleDiff; pdfViewer.container.scrollTop += (y - top) * scaleDiff; } }, _unblockDocumentLoadEvent() { document.blockUnblockOnload?.(false); this._unblockDocumentLoadEvent = () => {}; }, get scriptingReady() { return this.pdfScriptingManager.ready; } }; exports.PDFViewerApplication = PDFViewerApplication; { const HOSTED_VIEWER_ORIGINS = ['null', 'http://mozilla.github.io', 'https://mozilla.github.io']; var validateFileURL = function (file) { if (!file) { return; } try { const viewerOrigin = new URL(window.location.href).origin || 'null'; if (HOSTED_VIEWER_ORIGINS.includes(viewerOrigin)) { return; } const fileOrigin = new URL(file, window.location.href).origin; if (fileOrigin !== viewerOrigin) { throw new Error("file origin does not match viewer's"); } } catch (ex) { PDFViewerApplication.l10n.get('loading_error').then((msg) => { PDFViewerApplication._documentError(msg, { message: ex?.message }); }); throw ex; } }; } async function loadFakeWorker() { _pdfjsLib.GlobalWorkerOptions.workerSrc ||= _app_options.AppOptions.get('workerSrc'); await (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.workerSrc); } async function loadPDFBug(self) { const { debuggerScriptPath } = self.appConfig; const { PDFBug } = await import(debuggerScriptPath); self._PDFBug = PDFBug; } function reportPageStatsPDFBug({ pageNumber }) { if (!globalThis.Stats?.enabled) { return; } const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); globalThis.Stats.add(pageNumber, pageView?.pdfPage?.stats); } function webViewerInitialized() { const { appConfig, eventBus, l10n } = PDFViewerApplication; let file; const queryString = document.location.search.substring(1); const params = (0, _ui_utils.parseQueryString)(queryString); file = params.get('file') ?? _app_options.AppOptions.get('defaultUrl'); validateFileURL(file); const fileInput = appConfig.openFileInput; fileInput.value = null; fileInput.addEventListener('change', function (evt) { const { files } = evt.target; if (!files || files.length === 0) { return; } eventBus.dispatch('fileinputchange', { source: this, fileInput: evt.target }); }); appConfig.mainContainer.addEventListener('dragover', function (evt) { evt.preventDefault(); evt.dataTransfer.dropEffect = evt.dataTransfer.effectAllowed === 'copy' ? 'copy' : 'move'; }); appConfig.mainContainer.addEventListener('drop', function (evt) { evt.preventDefault(); const { files } = evt.dataTransfer; if (!files || files.length === 0) { return; } eventBus.dispatch('fileinputchange', { source: this, fileInput: evt.dataTransfer }); }); if (!PDFViewerApplication.supportsDocumentFonts) { _app_options.AppOptions.set('disableFontFace', true); l10n.get('web_fonts_disabled').then((msg) => { console.warn(msg); }); } if (!PDFViewerApplication.supportsPrinting) { appConfig.toolbar?.print?.classList.add('hidden'); appConfig.secondaryToolbar?.printButton.classList.add('hidden'); } if (!PDFViewerApplication.supportsFullscreen) { appConfig.secondaryToolbar?.presentationModeButton.classList.add('hidden'); } if (PDFViewerApplication.supportsIntegratedFind) { appConfig.toolbar?.viewFind?.classList.add('hidden'); } appConfig.mainContainer.addEventListener( 'transitionend', function (evt) { if (evt.target === this) { eventBus.dispatch('resize', { source: this }); } }, true ); try { if (file) { PDFViewerApplication.open({ url: file }); } else { PDFViewerApplication._hideViewBookmark(); } } catch (reason) { l10n.get('loading_error').then((msg) => { PDFViewerApplication._documentError(msg, reason); }); } } function webViewerPageRender({ pageNumber }) { if (pageNumber === PDFViewerApplication.page) { PDFViewerApplication.toolbar?.updateLoadingIndicatorState(true); } } function webViewerPageRendered({ pageNumber, error }) { if (pageNumber === PDFViewerApplication.page) { PDFViewerApplication.toolbar?.updateLoadingIndicatorState(false); } if (PDFViewerApplication.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS) { const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); const thumbnailView = PDFViewerApplication.pdfThumbnailViewer?.getThumbnail(pageNumber - 1); if (pageView) { thumbnailView?.setImage(pageView); } } if (error) { PDFViewerApplication.l10n.get('rendering_error').then((msg) => { PDFViewerApplication._otherError(msg, error); }); } } function webViewerPageMode({ mode }) { let view; switch (mode) { case 'thumbs': view = _ui_utils.SidebarView.THUMBS; break; case 'bookmarks': case 'outline': view = _ui_utils.SidebarView.OUTLINE; break; case 'attachments': view = _ui_utils.SidebarView.ATTACHMENTS; break; case 'layers': view = _ui_utils.SidebarView.LAYERS; break; case 'none': view = _ui_utils.SidebarView.NONE; break; default: console.error('Invalid "pagemode" hash parameter: ' + mode); return; } PDFViewerApplication.pdfSidebar?.switchView(view, true); } function webViewerNamedAction(evt) { switch (evt.action) { case 'GoToPage': PDFViewerApplication.appConfig.toolbar?.pageNumber.select(); break; case 'Find': if (!PDFViewerApplication.supportsIntegratedFind) { PDFViewerApplication?.findBar.toggle(); } break; case 'Print': PDFViewerApplication.triggerPrinting(); break; case 'SaveAs': PDFViewerApplication.downloadOrSave(); break; } } function webViewerPresentationModeChanged(evt) { PDFViewerApplication.pdfViewer.presentationModeState = evt.state; } function webViewerSidebarViewChanged({ view }) { PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = view === _ui_utils.SidebarView.THUMBS; if (PDFViewerApplication.isInitialViewSet) { PDFViewerApplication.store?.set('sidebarView', view).catch(() => {}); } } function webViewerUpdateViewarea({ location }) { if (PDFViewerApplication.isInitialViewSet) { PDFViewerApplication.store ?.setMultiple({ page: location.pageNumber, zoom: location.scale, scrollLeft: location.left, scrollTop: location.top, rotation: location.rotation }) .catch(() => {}); } if (PDFViewerApplication.appConfig.secondaryToolbar) { const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams); PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href; } } function webViewerScrollModeChanged(evt) { if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) { PDFViewerApplication.store?.set('scrollMode', evt.mode).catch(() => {}); } } function webViewerSpreadModeChanged(evt) { if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) { PDFViewerApplication.store?.set('spreadMode', evt.mode).catch(() => {}); } } function webViewerResize() { const { pdfDocument, pdfViewer, pdfRenderingQueue } = PDFViewerApplication; if (pdfRenderingQueue.printing && window.matchMedia('print').matches) { return; } if (!pdfDocument) { return; } const currentScaleValue = pdfViewer.currentScaleValue; if (currentScaleValue === 'auto' || currentScaleValue === 'page-fit' || currentScaleValue === 'page-width') { pdfViewer.currentScaleValue = currentScaleValue; } pdfViewer.update(); } function webViewerHashchange(evt) { const hash = evt.hash; if (!hash) { return; } if (!PDFViewerApplication.isInitialViewSet) { PDFViewerApplication.initialBookmark = hash; } else if (!PDFViewerApplication.pdfHistory?.popStateInProgress) { PDFViewerApplication.pdfLinkService.setHash(hash); } } { var webViewerFileInputChange = function (evt) { if (PDFViewerApplication.pdfViewer?.isInPresentationMode) { return; } const file = evt.fileInput.files[0]; PDFViewerApplication.open({ url: URL.createObjectURL(file), originalUrl: file.name }); }; var webViewerOpenFile = function (evt) { const fileInput = PDFViewerApplication.appConfig.openFileInput; fileInput.click(); }; } function webViewerPresentationMode() { PDFViewerApplication.requestPresentationMode(); } function webViewerSwitchAnnotationEditorMode(evt) { PDFViewerApplication.pdfViewer.annotationEditorMode = evt.mode; } function webViewerSwitchAnnotationEditorParams(evt) { PDFViewerApplication.pdfViewer.annotationEditorParams = evt; } function webViewerPrint() { PDFViewerApplication.triggerPrinting(); } function webViewerDownload() { PDFViewerApplication.downloadOrSave(); } function webViewerOpenInExternalApp() { PDFViewerApplication.openInExternalApp(); } function webViewerFirstPage() { PDFViewerApplication.page = 1; } function webViewerLastPage() { PDFViewerApplication.page = PDFViewerApplication.pagesCount; } function webViewerNextPage() { PDFViewerApplication.pdfViewer.nextPage(); } function webViewerPreviousPage() { PDFViewerApplication.pdfViewer.previousPage(); } function webViewerZoomIn() { PDFViewerApplication.zoomIn(); } function webViewerZoomOut() { PDFViewerApplication.zoomOut(); } function webViewerZoomReset() { PDFViewerApplication.zoomReset(); } function webViewerPageNumberChanged(evt) { const pdfViewer = PDFViewerApplication.pdfViewer; if (evt.value !== '') { PDFViewerApplication.pdfLinkService.goToPage(evt.value); } if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) { PDFViewerApplication.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel); } } function webViewerScaleChanged(evt) { PDFViewerApplication.pdfViewer.currentScaleValue = evt.value; } function webViewerRotateCw() { PDFViewerApplication.rotatePages(90); } function webViewerRotateCcw() { PDFViewerApplication.rotatePages(-90); } function webViewerOptionalContentConfig(evt) { PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise; } function webViewerSwitchScrollMode(evt) { PDFViewerApplication.pdfViewer.scrollMode = evt.mode; } function webViewerSwitchSpreadMode(evt) { PDFViewerApplication.pdfViewer.spreadMode = evt.mode; } function webViewerDocumentProperties() { PDFViewerApplication.pdfDocumentProperties?.open(); } function webViewerFindFromUrlHash(evt) { PDFViewerApplication.eventBus.dispatch('find', { source: evt.source, type: '', query: evt.query, caseSensitive: false, entireWord: false, highlightAll: true, findPrevious: false, matchDiacritics: true }); } function webViewerUpdateFindMatchesCount({ matchesCount }) { if (PDFViewerApplication.supportsIntegratedFind) { PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount); } else { PDFViewerApplication.findBar.updateResultsCount(matchesCount); } } function webViewerUpdateFindControlState({ state, previous, matchesCount, rawQuery }) { if (PDFViewerApplication.supportsIntegratedFind) { PDFViewerApplication.externalServices.updateFindControlState({ result: state, findPrevious: previous, matchesCount, rawQuery }); } else { PDFViewerApplication.findBar?.updateUIState(state, previous, matchesCount); } } function webViewerScaleChanging(evt) { PDFViewerApplication.toolbar?.setPageScale(evt.presetValue, evt.scale); PDFViewerApplication.pdfViewer.update(); } function webViewerRotationChanging(evt) { if (PDFViewerApplication.pdfThumbnailViewer) { PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation; } PDFViewerApplication.forceRendering(); PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber; } function webViewerPageChanging({ pageNumber, pageLabel }) { PDFViewerApplication.toolbar?.setPageNumber(pageNumber, pageLabel); PDFViewerApplication.secondaryToolbar?.setPageNumber(pageNumber); if (PDFViewerApplication.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS) { PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber); } const currentPage = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); PDFViewerApplication.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === _ui_utils.RenderingStates.RUNNING); } function webViewerResolutionChange(evt) { PDFViewerApplication.pdfViewer.refresh(); } function webViewerVisibilityChange(evt) { if (document.visibilityState === 'visible') { setZoomDisabledTimeout(); } } let zoomDisabledTimeout = null; function setZoomDisabledTimeout() { if (zoomDisabledTimeout) { clearTimeout(zoomDisabledTimeout); } zoomDisabledTimeout = setTimeout(function () { zoomDisabledTimeout = null; }, WHEEL_ZOOM_DISABLED_TIMEOUT); } function webViewerWheel(evt) { const { pdfViewer, supportedMouseWheelZoomModifierKeys, supportsPinchToZoom } = PDFViewerApplication; if (pdfViewer.isInPresentationMode) { return; } const deltaMode = evt.deltaMode; let scaleFactor = Math.exp(-evt.deltaY / 100); const isBuiltInMac = false; const isPinchToZoom = evt.ctrlKey && !PDFViewerApplication._isCtrlKeyDown && deltaMode === WheelEvent.DOM_DELTA_PIXEL && evt.deltaX === 0 && (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) && evt.deltaZ === 0; if ( isPinchToZoom || (evt.ctrlKey && supportedMouseWheelZoomModifierKeys.ctrlKey) || (evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) ) { evt.preventDefault(); if (zoomDisabledTimeout || document.visibilityState === 'hidden') { return; } const previousScale = pdfViewer.currentScale; if (isPinchToZoom && supportsPinchToZoom) { scaleFactor = PDFViewerApplication._accumulateFactor(previousScale, scaleFactor, '_wheelUnusedFactor'); if (scaleFactor < 1) { PDFViewerApplication.zoomOut(null, scaleFactor); } else if (scaleFactor > 1) { PDFViewerApplication.zoomIn(null, scaleFactor); } else { return; } } else { const delta = (0, _ui_utils.normalizeWheelEventDirection)(evt); let ticks = 0; if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) { if (Math.abs(delta) >= 1) { ticks = Math.sign(delta); } else { ticks = PDFViewerApplication._accumulateTicks(delta, '_wheelUnusedTicks'); } } else { const PIXELS_PER_LINE_SCALE = 30; ticks = PDFViewerApplication._accumulateTicks(delta / PIXELS_PER_LINE_SCALE, '_wheelUnusedTicks'); } if (ticks < 0) { PDFViewerApplication.zoomOut(-ticks); } else if (ticks > 0) { PDFViewerApplication.zoomIn(ticks); } else { return; } } PDFViewerApplication._centerAtPos(previousScale, evt.clientX, evt.clientY); } else { setZoomDisabledTimeout(); } } function webViewerTouchStart(evt) { if (PDFViewerApplication.pdfViewer.isInPresentationMode || evt.touches.length < 2) { return; } evt.preventDefault(); if (evt.touches.length !== 2) { PDFViewerApplication._touchInfo = null; return; } let [touch0, touch1] = evt.touches; if (touch0.identifier > touch1.identifier) { [touch0, touch1] = [touch1, touch0]; } PDFViewerApplication._touchInfo = { touch0X: touch0.pageX, touch0Y: touch0.pageY, touch1X: touch1.pageX, touch1Y: touch1.pageY }; } function webViewerTouchMove(evt) { if (!PDFViewerApplication._touchInfo || evt.touches.length !== 2) { return; } const { pdfViewer, _touchInfo, supportsPinchToZoom } = PDFViewerApplication; let [touch0, touch1] = evt.touches; if (touch0.identifier > touch1.identifier) { [touch0, touch1] = [touch1, touch0]; } const { pageX: page0X, pageY: page0Y } = touch0; const { pageX: page1X, pageY: page1Y } = touch1; const { touch0X: pTouch0X, touch0Y: pTouch0Y, touch1X: pTouch1X, touch1Y: pTouch1Y } = _touchInfo; if ( Math.abs(pTouch0X - page0X) <= 1 && Math.abs(pTouch0Y - page0Y) <= 1 && Math.abs(pTouch1X - page1X) <= 1 && Math.abs(pTouch1Y - page1Y) <= 1 ) { return; } _touchInfo.touch0X = page0X; _touchInfo.touch0Y = page0Y; _touchInfo.touch1X = page1X; _touchInfo.touch1Y = page1Y; if (pTouch0X === page0X && pTouch0Y === page0Y) { const v1X = pTouch1X - page0X; const v1Y = pTouch1Y - page0Y; const v2X = page1X - page0X; const v2Y = page1Y - page0Y; const det = v1X * v2Y - v1Y * v2X; if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) { return; } } else if (pTouch1X === page1X && pTouch1Y === page1Y) { const v1X = pTouch0X - page1X; const v1Y = pTouch0Y - page1Y; const v2X = page0X - page1X; const v2Y = page0Y - page1Y; const det = v1X * v2Y - v1Y * v2X; if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) { return; } } else { const diff0X = page0X - pTouch0X; const diff1X = page1X - pTouch1X; const diff0Y = page0Y - pTouch0Y; const diff1Y = page1Y - pTouch1Y; const dotProduct = diff0X * diff1X + diff0Y * diff1Y; if (dotProduct >= 0) { return; } } evt.preventDefault(); const distance = Math.hypot(page0X - page1X, page0Y - page1Y) || 1; const pDistance = Math.hypot(pTouch0X - pTouch1X, pTouch0Y - pTouch1Y) || 1; const previousScale = pdfViewer.currentScale; if (supportsPinchToZoom) { const newScaleFactor = PDFViewerApplication._accumulateFactor(previousScale, distance / pDistance, '_touchUnusedFactor'); if (newScaleFactor < 1) { PDFViewerApplication.zoomOut(null, newScaleFactor); } else if (newScaleFactor > 1) { PDFViewerApplication.zoomIn(null, newScaleFactor); } else { return; } } else { const PIXELS_PER_LINE_SCALE = 30; const ticks = PDFViewerApplication._accumulateTicks((distance - pDistance) / PIXELS_PER_LINE_SCALE, '_touchUnusedTicks'); if (ticks < 0) { PDFViewerApplication.zoomOut(-ticks); } else if (ticks > 0) { PDFViewerApplication.zoomIn(ticks); } else { return; } } PDFViewerApplication._centerAtPos(previousScale, (page0X + page1X) / 2, (page0Y + page1Y) / 2); } function webViewerTouchEnd(evt) { if (!PDFViewerApplication._touchInfo) { return; } evt.preventDefault(); PDFViewerApplication._touchInfo = null; PDFViewerApplication._touchUnusedTicks = 0; PDFViewerApplication._touchUnusedFactor = 1; } function webViewerClick(evt) { if (!PDFViewerApplication.secondaryToolbar?.isOpen) { return; } const appConfig = PDFViewerApplication.appConfig; if ( PDFViewerApplication.pdfViewer.containsElement(evt.target) || (appConfig.toolbar?.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar?.toggleButton) ) { PDFViewerApplication.secondaryToolbar.close(); } } function webViewerKeyUp(evt) { if (evt.key === 'Control') { PDFViewerApplication._isCtrlKeyDown = false; } } function webViewerKeyDown(evt) { PDFViewerApplication._isCtrlKeyDown = evt.key === 'Control'; if (PDFViewerApplication.overlayManager.active) { return; } const { eventBus, pdfViewer } = PDFViewerApplication; const isViewerInPresentationMode = pdfViewer.isInPresentationMode; let handled = false, ensureViewerFocused = false; const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0); if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) { switch (evt.keyCode) { case 70: if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) { PDFViewerApplication.findBar?.open(); handled = true; } break; case 71: if (!PDFViewerApplication.supportsIntegratedFind) { const { state } = PDFViewerApplication.findController; if (state) { const newState = { source: window, type: 'again', findPrevious: cmd === 5 || cmd === 12 }; eventBus.dispatch('find', { ...state, ...newState }); } handled = true; } break; case 61: case 107: case 187: case 171: PDFViewerApplication.zoomIn(); handled = true; break; case 173: case 109: case 189: PDFViewerApplication.zoomOut(); handled = true; break; case 48: case 96: if (!isViewerInPresentationMode) { setTimeout(function () { PDFViewerApplication.zoomReset(); }); handled = false; } break; case 38: if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { PDFViewerApplication.page = 1; handled = true; ensureViewerFocused = true; } break; case 40: if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { PDFViewerApplication.page = PDFViewerApplication.pagesCount; handled = true; ensureViewerFocused = true; } break; } } if (cmd === 1 || cmd === 8) { switch (evt.keyCode) { case 83: eventBus.dispatch('download', { source: window }); handled = true; break; case 79: { eventBus.dispatch('openfile', { source: window }); handled = true; } break; } } if (cmd === 3 || cmd === 10) { switch (evt.keyCode) { case 80: PDFViewerApplication.requestPresentationMode(); handled = true; PDFViewerApplication.externalServices.reportTelemetry({ type: 'buttons', data: { id: 'presentationModeKeyboard' } }); break; case 71: if (PDFViewerApplication.appConfig.toolbar) { PDFViewerApplication.appConfig.toolbar.pageNumber.select(); handled = true; } break; } } if (handled) { if (ensureViewerFocused && !isViewerInPresentationMode) { pdfViewer.focus(); } evt.preventDefault(); return; } const curElement = (0, _ui_utils.getActiveOrFocusedElement)(); const curElementTagName = curElement?.tagName.toUpperCase(); if (curElementTagName === 'INPUT' || curElementTagName === 'TEXTAREA' || curElementTagName === 'SELECT' || curElement?.isContentEditable) { if (evt.keyCode !== 27) { return; } } if (cmd === 0) { let turnPage = 0, turnOnlyIfPageFit = false; switch (evt.keyCode) { case 38: case 33: if (pdfViewer.isVerticalScrollbarEnabled) { turnOnlyIfPageFit = true; } turnPage = -1; break; case 8: if (!isViewerInPresentationMode) { turnOnlyIfPageFit = true; } turnPage = -1; break; case 37: if (pdfViewer.isHorizontalScrollbarEnabled) { turnOnlyIfPageFit = true; } case 75: case 80: turnPage = -1; break; case 27: if (PDFViewerApplication.secondaryToolbar?.isOpen) { PDFViewerApplication.secondaryToolbar.close(); handled = true; } if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar?.opened) { PDFViewerApplication.findBar.close(); handled = true; } break; case 40: case 34: if (pdfViewer.isVerticalScrollbarEnabled) { turnOnlyIfPageFit = true; } turnPage = 1; break; case 13: case 32: if (!isViewerInPresentationMode) { turnOnlyIfPageFit = true; } turnPage = 1; break; case 39: if (pdfViewer.isHorizontalScrollbarEnabled) { turnOnlyIfPageFit = true; } case 74: case 78: turnPage = 1; break; case 36: if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { PDFViewerApplication.page = 1; handled = true; ensureViewerFocused = true; } break; case 35: if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { PDFViewerApplication.page = PDFViewerApplication.pagesCount; handled = true; ensureViewerFocused = true; } break; case 83: PDFViewerApplication.pdfCursorTools?.switchTool(_ui_utils.CursorTool.SELECT); break; case 72: PDFViewerApplication.pdfCursorTools?.switchTool(_ui_utils.CursorTool.HAND); break; case 82: PDFViewerApplication.rotatePages(90); break; case 115: PDFViewerApplication.pdfSidebar?.toggle(); break; } if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === 'page-fit')) { if (turnPage > 0) { pdfViewer.nextPage(); } else { pdfViewer.previousPage(); } handled = true; } } if (cmd === 4) { switch (evt.keyCode) { case 13: case 32: if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== 'page-fit') { break; } pdfViewer.previousPage(); handled = true; break; case 82: PDFViewerApplication.rotatePages(-90); break; } } if (!handled && !isViewerInPresentationMode) { if ((evt.keyCode >= 33 && evt.keyCode <= 40) || (evt.keyCode === 32 && curElementTagName !== 'BUTTON')) { ensureViewerFocused = true; } } if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) { pdfViewer.focus(); } if (handled) { evt.preventDefault(); } } function beforeUnload(evt) { evt.preventDefault(); evt.returnValue = ''; return false; } function webViewerAnnotationEditorStatesChanged(data) { PDFViewerApplication.externalServices.updateEditorStates(data); } const PDFPrintServiceFactory = { instance: { supportsPrinting: false, createPrintService() { throw new Error('Not implemented: createPrintService'); } } }; exports.PDFPrintServiceFactory = PDFPrintServiceFactory; /***/ }, /* 3 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.animationStarted = exports.VERTICAL_PADDING = exports.UNKNOWN_SCALE = exports.TextLayerMode = exports.SpreadMode = exports.SidebarView = exports.ScrollMode = exports.SCROLLBAR_PADDING = exports.RenderingStates = exports.ProgressBar = exports.PresentationModeState = exports.OutputScale = exports.MIN_SCALE = exports.MAX_SCALE = exports.MAX_AUTO_SCALE = exports.DEFAULT_SCALE_VALUE = exports.DEFAULT_SCALE_DELTA = exports.DEFAULT_SCALE = exports.CursorTool = exports.AutoPrintRegExp = void 0; exports.apiPageLayoutToViewerModes = apiPageLayoutToViewerModes; exports.apiPageModeToSidebarView = apiPageModeToSidebarView; exports.approximateFraction = approximateFraction; exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements; exports.binarySearchFirstItem = binarySearchFirstItem; exports.docStyle = void 0; exports.getActiveOrFocusedElement = getActiveOrFocusedElement; exports.getPageSizeInches = getPageSizeInches; exports.getVisibleElements = getVisibleElements; exports.isPortraitOrientation = isPortraitOrientation; exports.isValidRotation = isValidRotation; exports.isValidScrollMode = isValidScrollMode; exports.isValidSpreadMode = isValidSpreadMode; exports.noContextMenuHandler = noContextMenuHandler; exports.normalizeWheelEventDelta = normalizeWheelEventDelta; exports.normalizeWheelEventDirection = normalizeWheelEventDirection; exports.parseQueryString = parseQueryString; exports.removeNullCharacters = removeNullCharacters; exports.roundToDivide = roundToDivide; exports.scrollIntoView = scrollIntoView; exports.toggleCheckedBtn = toggleCheckedBtn; exports.toggleExpandedBtn = toggleExpandedBtn; exports.watchScroll = watchScroll; const DEFAULT_SCALE_VALUE = 'auto'; exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE; const DEFAULT_SCALE = 1.0; exports.DEFAULT_SCALE = DEFAULT_SCALE; const DEFAULT_SCALE_DELTA = 1.1; exports.DEFAULT_SCALE_DELTA = DEFAULT_SCALE_DELTA; const MIN_SCALE = 0.1; exports.MIN_SCALE = MIN_SCALE; const MAX_SCALE = 10.0; exports.MAX_SCALE = MAX_SCALE; const UNKNOWN_SCALE = 0; exports.UNKNOWN_SCALE = UNKNOWN_SCALE; const MAX_AUTO_SCALE = 1.25; exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE; const SCROLLBAR_PADDING = 40; exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING; const VERTICAL_PADDING = 5; exports.VERTICAL_PADDING = VERTICAL_PADDING; const RenderingStates = { INITIAL: 0, RUNNING: 1, PAUSED: 2, FINISHED: 3 }; exports.RenderingStates = RenderingStates; const PresentationModeState = { UNKNOWN: 0, NORMAL: 1, CHANGING: 2, FULLSCREEN: 3 }; exports.PresentationModeState = PresentationModeState; const SidebarView = { UNKNOWN: -1, NONE: 0, THUMBS: 1, OUTLINE: 2, ATTACHMENTS: 3, LAYERS: 4 }; exports.SidebarView = SidebarView; const TextLayerMode = { DISABLE: 0, ENABLE: 1, ENABLE_PERMISSIONS: 2 }; exports.TextLayerMode = TextLayerMode; const ScrollMode = { UNKNOWN: -1, VERTICAL: 0, HORIZONTAL: 1, WRAPPED: 2, PAGE: 3 }; exports.ScrollMode = ScrollMode; const SpreadMode = { UNKNOWN: -1, NONE: 0, ODD: 1, EVEN: 2 }; exports.SpreadMode = SpreadMode; const CursorTool = { SELECT: 0, HAND: 1, ZOOM: 2 }; exports.CursorTool = CursorTool; const AutoPrintRegExp = /\bprint\s*\(/; exports.AutoPrintRegExp = AutoPrintRegExp; class OutputScale { constructor() { const pixelRatio = window.devicePixelRatio || 1; this.sx = pixelRatio; this.sy = pixelRatio; } get scaled() { return this.sx !== 1 || this.sy !== 1; } } exports.OutputScale = OutputScale; function scrollIntoView(element, spot, scrollMatches = false) { let parent = element.offsetParent; if (!parent) { console.error('offsetParent is not set -- cannot scroll'); return; } let offsetY = element.offsetTop + element.clientTop; let offsetX = element.offsetLeft + element.clientLeft; while ( (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth) || (scrollMatches && (parent.classList.contains('markedContent') || getComputedStyle(parent).overflow === 'hidden')) ) { offsetY += parent.offsetTop; offsetX += parent.offsetLeft; parent = parent.offsetParent; if (!parent) { return; } } if (spot) { if (spot.top !== undefined) { offsetY += spot.top; } if (spot.left !== undefined) { offsetX += spot.left; parent.scrollLeft = offsetX; } } parent.scrollTop = offsetY; } function watchScroll(viewAreaElement, callback) { const debounceScroll = function (evt) { if (rAF) { return; } rAF = window.requestAnimationFrame(function viewAreaElementScrolled() { rAF = null; const currentX = viewAreaElement.scrollLeft; const lastX = state.lastX; if (currentX !== lastX) { state.right = currentX > lastX; } state.lastX = currentX; const currentY = viewAreaElement.scrollTop; const lastY = state.lastY; if (currentY !== lastY) { state.down = currentY > lastY; } state.lastY = currentY; callback(state); }); }; const state = { right: true, down: true, lastX: viewAreaElement.scrollLeft, lastY: viewAreaElement.scrollTop, _eventHandler: debounceScroll }; let rAF = null; viewAreaElement.addEventListener('scroll', debounceScroll, true); return state; } function parseQueryString(query) { const params = new Map(); for (const [key, value] of new URLSearchParams(query)) { params.set(key.toLowerCase(), value); } return params; } const InvisibleCharactersRegExp = /[\x01-\x1F]/g; function removeNullCharacters(str, replaceInvisible = false) { if (typeof str !== 'string') { console.error(`The argument must be a string.`); return str; } if (replaceInvisible) { str = str.replaceAll(InvisibleCharactersRegExp, ' '); } return str.replaceAll('\x00', ''); } function binarySearchFirstItem(items, condition, start = 0) { let minIndex = start; let maxIndex = items.length - 1; if (maxIndex < 0 || !condition(items[maxIndex])) { return items.length; } if (condition(items[minIndex])) { return minIndex; } while (minIndex < maxIndex) { const currentIndex = (minIndex + maxIndex) >> 1; const currentItem = items[currentIndex]; if (condition(currentItem)) { maxIndex = currentIndex; } else { minIndex = currentIndex + 1; } } return minIndex; } function approximateFraction(x) { if (Math.floor(x) === x) { return [x, 1]; } const xinv = 1 / x; const limit = 8; if (xinv > limit) { return [1, limit]; } else if (Math.floor(xinv) === xinv) { return [1, xinv]; } const x_ = x > 1 ? xinv : x; let a = 0, b = 1, c = 1, d = 1; while (true) { const p = a + c, q = b + d; if (q > limit) { break; } if (x_ <= p / q) { c = p; d = q; } else { a = p; b = q; } } let result; if (x_ - a / b < c / d - x_) { result = x_ === x ? [a, b] : [b, a]; } else { result = x_ === x ? [c, d] : [d, c]; } return result; } function roundToDivide(x, div) { const r = x % div; return r === 0 ? x : Math.round(x - r + div); } function getPageSizeInches({ view, userUnit, rotate }) { const [x1, y1, x2, y2] = view; const changeOrientation = rotate % 180 !== 0; const width = ((x2 - x1) / 72) * userUnit; const height = ((y2 - y1) / 72) * userUnit; return { width: changeOrientation ? height : width, height: changeOrientation ? width : height }; } function backtrackBeforeAllVisibleElements(index, views, top) { if (index < 2) { return index; } let elt = views[index].div; let pageTop = elt.offsetTop + elt.clientTop; if (pageTop >= top) { elt = views[index - 1].div; pageTop = elt.offsetTop + elt.clientTop; } for (let i = index - 2; i >= 0; --i) { elt = views[i].div; if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) { break; } index = i; } return index; } function getVisibleElements({ scrollEl, views, sortByVisibility = false, horizontal = false, rtl = false }) { const top = scrollEl.scrollTop, bottom = top + scrollEl.clientHeight; const left = scrollEl.scrollLeft, right = left + scrollEl.clientWidth; function isElementBottomAfterViewTop(view) { const element = view.div; const elementBottom = element.offsetTop + element.clientTop + element.clientHeight; return elementBottom > top; } function isElementNextAfterViewHorizontally(view) { const element = view.div; const elementLeft = element.offsetLeft + element.clientLeft; const elementRight = elementLeft + element.clientWidth; return rtl ? elementLeft < right : elementRight > left; } const visible = [], ids = new Set(), numViews = views.length; let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop); if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) { firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top); } let lastEdge = horizontal ? right : -1; for (let i = firstVisibleElementInd; i < numViews; i++) { const view = views[i], element = view.div; const currentWidth = element.offsetLeft + element.clientLeft; const currentHeight = element.offsetTop + element.clientTop; const viewWidth = element.clientWidth, viewHeight = element.clientHeight; const viewRight = currentWidth + viewWidth; const viewBottom = currentHeight + viewHeight; if (lastEdge === -1) { if (viewBottom >= bottom) { lastEdge = viewBottom; } } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) { break; } if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) { continue; } const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom); const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right); const fractionHeight = (viewHeight - hiddenHeight) / viewHeight, fractionWidth = (viewWidth - hiddenWidth) / viewWidth; const percent = (fractionHeight * fractionWidth * 100) | 0; visible.push({ id: view.id, x: currentWidth, y: currentHeight, view, percent, widthPercent: (fractionWidth * 100) | 0 }); ids.add(view.id); } const first = visible[0], last = visible.at(-1); if (sortByVisibility) { visible.sort(function (a, b) { const pc = a.percent - b.percent; if (Math.abs(pc) > 0.001) { return -pc; } return a.id - b.id; }); } return { first, last, views: visible, ids }; } function noContextMenuHandler(evt) { evt.preventDefault(); } function normalizeWheelEventDirection(evt) { let delta = Math.hypot(evt.deltaX, evt.deltaY); const angle = Math.atan2(evt.deltaY, evt.deltaX); if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) { delta = -delta; } return delta; } function normalizeWheelEventDelta(evt) { const deltaMode = evt.deltaMode; let delta = normalizeWheelEventDirection(evt); const MOUSE_PIXELS_PER_LINE = 30; const MOUSE_LINES_PER_PAGE = 30; if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) { delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE; } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) { delta /= MOUSE_LINES_PER_PAGE; } return delta; } function isValidRotation(angle) { return Number.isInteger(angle) && angle % 90 === 0; } function isValidScrollMode(mode) { return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN; } function isValidSpreadMode(mode) { return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN; } function isPortraitOrientation(size) { return size.width <= size.height; } const animationStarted = new Promise(function (resolve) { window.requestAnimationFrame(resolve); }); exports.animationStarted = animationStarted; const docStyle = document.documentElement.style; exports.docStyle = docStyle; function clamp(v, min, max) { return Math.min(Math.max(v, min), max); } class ProgressBar { #classList = null; #disableAutoFetchTimeout = null; #percent = 0; #style = null; #visible = true; constructor(bar) { this.#classList = bar.classList; this.#style = bar.style; } get percent() { return this.#percent; } set percent(val) { this.#percent = clamp(val, 0, 100); if (isNaN(val)) { this.#classList.add('indeterminate'); return; } this.#classList.remove('indeterminate'); this.#style.setProperty('--progressBar-percent', `${this.#percent}%`); } setWidth(viewer) { if (!viewer) { return; } const container = viewer.parentNode; const scrollbarWidth = container.offsetWidth - viewer.offsetWidth; if (scrollbarWidth > 0) { this.#style.setProperty('--progressBar-end-offset', `${scrollbarWidth}px`); } } setDisableAutoFetch(delay = 5000) { if (isNaN(this.#percent)) { return; } if (this.#disableAutoFetchTimeout) { clearTimeout(this.#disableAutoFetchTimeout); } this.show(); this.#disableAutoFetchTimeout = setTimeout(() => { this.#disableAutoFetchTimeout = null; this.hide(); }, delay); } hide() { if (!this.#visible) { return; } this.#visible = false; this.#classList.add('hidden'); } show() { if (this.#visible) { return; } this.#visible = true; this.#classList.remove('hidden'); } } exports.ProgressBar = ProgressBar; function getActiveOrFocusedElement() { let curRoot = document; let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(':focus'); while (curActiveOrFocused?.shadowRoot) { curRoot = curActiveOrFocused.shadowRoot; curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(':focus'); } return curActiveOrFocused; } function apiPageLayoutToViewerModes(layout) { let scrollMode = ScrollMode.VERTICAL, spreadMode = SpreadMode.NONE; switch (layout) { case 'SinglePage': scrollMode = ScrollMode.PAGE; break; case 'OneColumn': break; case 'TwoPageLeft': scrollMode = ScrollMode.PAGE; case 'TwoColumnLeft': spreadMode = SpreadMode.ODD; break; case 'TwoPageRight': scrollMode = ScrollMode.PAGE; case 'TwoColumnRight': spreadMode = SpreadMode.EVEN; break; } return { scrollMode, spreadMode }; } function apiPageModeToSidebarView(mode) { switch (mode) { case 'UseNone': return SidebarView.NONE; case 'UseThumbs': return SidebarView.THUMBS; case 'UseOutlines': return SidebarView.OUTLINE; case 'UseAttachments': return SidebarView.ATTACHMENTS; case 'UseOC': return SidebarView.LAYERS; } return SidebarView.NONE; } function toggleCheckedBtn(button, toggle, view = null) { button.classList.toggle('toggled', toggle); button.setAttribute('aria-checked', toggle); view?.classList.toggle('hidden', !toggle); } function toggleExpandedBtn(button, toggle, view = null) { button.classList.toggle('toggled', toggle); button.setAttribute('aria-expanded', toggle); view?.classList.toggle('hidden', !toggle); } /***/ }, /* 4 */ /***/ (module) => { let pdfjsLib; if (typeof window !== 'undefined' && window['pdfjs-dist/build/pdf']) { pdfjsLib = window['pdfjs-dist/build/pdf']; } else { pdfjsLib = require('../build/pdf.js'); } module.exports = pdfjsLib; /***/ }, /* 5 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.compatibilityParams = exports.OptionKind = exports.AppOptions = void 0; const compatibilityParams = Object.create(null); exports.compatibilityParams = compatibilityParams; { const userAgent = navigator.userAgent || ''; const platform = navigator.platform || ''; const maxTouchPoints = navigator.maxTouchPoints || 1; const isAndroid = /Android/.test(userAgent); const isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent) || (platform === 'MacIntel' && maxTouchPoints > 1); (function checkCanvasSizeLimitation() { if (isIOS || isAndroid) { compatibilityParams.maxCanvasPixels = 5242880; } })(); } const OptionKind = { VIEWER: 0x02, API: 0x04, WORKER: 0x08, PREFERENCE: 0x80 }; exports.OptionKind = OptionKind; const defaultOptions = { annotationEditorMode: { value: 0, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, annotationMode: { value: 2, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, cursorToolOnLoad: { value: 0, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, defaultZoomDelay: { value: 400, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, defaultZoomValue: { value: '', kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, disableHistory: { value: false, kind: OptionKind.VIEWER }, disablePageLabels: { value: false, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, enableFloatingToolbar: { value: false, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, enablePermissions: { value: false, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, enablePrintAutoRotate: { value: true, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, enableScripting: { value: true, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, externalLinkRel: { value: 'noopener noreferrer nofollow', kind: OptionKind.VIEWER }, externalLinkTarget: { value: 0, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, historyUpdateUrl: { value: false, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, ignoreDestinationZoom: { value: false, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, imageResourcesPath: { value: './images/', kind: OptionKind.VIEWER }, maxCanvasPixels: { value: 16777216, kind: OptionKind.VIEWER }, forcePageColors: { value: false, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, pageColorsBackground: { value: 'Canvas', kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, pageColorsForeground: { value: 'CanvasText', kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, pdfBugEnabled: { value: false, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, printResolution: { value: 150, kind: OptionKind.VIEWER }, sidebarViewOnLoad: { value: -1, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, scrollModeOnLoad: { value: -1, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, spreadModeOnLoad: { value: -1, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, textLayerMode: { value: 1, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, useOnlyCssZoom: { value: false, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, viewerCssTheme: { value: 0, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, viewOnLoad: { value: 0, kind: OptionKind.VIEWER + OptionKind.PREFERENCE }, cMapPacked: { value: true, kind: OptionKind.API }, cMapUrl: { value: '../web/cmaps/', kind: OptionKind.API }, disableAutoFetch: { value: false, kind: OptionKind.API + OptionKind.PREFERENCE }, disableFontFace: { value: false, kind: OptionKind.API + OptionKind.PREFERENCE }, disableRange: { value: false, kind: OptionKind.API + OptionKind.PREFERENCE }, disableStream: { value: false, kind: OptionKind.API + OptionKind.PREFERENCE }, docBaseUrl: { value: '', kind: OptionKind.API }, enableXfa: { value: true, kind: OptionKind.API + OptionKind.PREFERENCE }, fontExtraProperties: { value: false, kind: OptionKind.API }, isEvalSupported: { value: true, kind: OptionKind.API }, isOffscreenCanvasSupported: { value: true, kind: OptionKind.API }, maxImageSize: { value: -1, kind: OptionKind.API }, pdfBug: { value: false, kind: OptionKind.API }, standardFontDataUrl: { value: '../web/standard_fonts/', kind: OptionKind.API }, verbosity: { value: 1, kind: OptionKind.API }, workerPort: { value: null, kind: OptionKind.WORKER }, workerSrc: { value: '../build/pdf.worker.js', kind: OptionKind.WORKER } }; { defaultOptions.defaultUrl = { value: 'compressed.tracemonkey-pldi-09.pdf', kind: OptionKind.VIEWER }; defaultOptions.disablePreferences = { value: false, kind: OptionKind.VIEWER }; defaultOptions.locale = { value: navigator.language || 'en-US', kind: OptionKind.VIEWER }; defaultOptions.sandboxBundleSrc = { value: '../build/pdf.sandbox.js', kind: OptionKind.VIEWER }; } const userOptions = Object.create(null); class AppOptions { constructor() { throw new Error('Cannot initialize AppOptions.'); } static get(name) { const userOption = userOptions[name]; if (userOption !== undefined) { return userOption; } const defaultOption = defaultOptions[name]; if (defaultOption !== undefined) { return compatibilityParams[name] ?? defaultOption.value; } return undefined; } static getAll(kind = null) { const options = Object.create(null); for (const name in defaultOptions) { const defaultOption = defaultOptions[name]; if (kind) { if ((kind & defaultOption.kind) === 0) { continue; } if (kind === OptionKind.PREFERENCE) { const value = defaultOption.value, valueType = typeof value; if (valueType === 'boolean' || valueType === 'string' || (valueType === 'number' && Number.isInteger(value))) { options[name] = value; continue; } throw new Error(`Invalid type for preference: ${name}`); } } const userOption = userOptions[name]; options[name] = userOption !== undefined ? userOption : compatibilityParams[name] ?? defaultOption.value; } return options; } static set(name, value) { userOptions[name] = value; } static setAll(options) { for (const name in options) { userOptions[name] = options[name]; } } static remove(name) { delete userOptions[name]; } } exports.AppOptions = AppOptions; { AppOptions._hasUserOptions = function () { return Object.keys(userOptions).length > 0; }; } /***/ }, /* 6 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.WaitOnType = exports.EventBus = exports.AutomationEventBus = void 0; exports.waitOnEventOrTimeout = waitOnEventOrTimeout; const WaitOnType = { EVENT: 'event', TIMEOUT: 'timeout' }; exports.WaitOnType = WaitOnType; function waitOnEventOrTimeout({ target, name, delay = 0 }) { return new Promise(function (resolve, reject) { if (typeof target !== 'object' || !(name && typeof name === 'string') || !(Number.isInteger(delay) && delay >= 0)) { throw new Error('waitOnEventOrTimeout - invalid parameters.'); } function handler(type) { if (target instanceof EventBus) { target._off(name, eventHandler); } else { target.removeEventListener(name, eventHandler); } if (timeout) { clearTimeout(timeout); } resolve(type); } const eventHandler = handler.bind(null, WaitOnType.EVENT); if (target instanceof EventBus) { target._on(name, eventHandler); } else { target.addEventListener(name, eventHandler); } const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT); const timeout = setTimeout(timeoutHandler, delay); }); } class EventBus { #listeners = Object.create(null); on(eventName, listener, options = null) { this._on(eventName, listener, { external: true, once: options?.once }); } off(eventName, listener, options = null) { this._off(eventName, listener, { external: true, once: options?.once }); } dispatch(eventName, data) { const eventListeners = this.#listeners[eventName]; if (!eventListeners || eventListeners.length === 0) { return; } let externalListeners; for (const { listener, external, once } of eventListeners.slice(0)) { if (once) { this._off(eventName, listener); } if (external) { (externalListeners ||= []).push(listener); continue; } listener(data); } if (externalListeners) { for (const listener of externalListeners) { listener(data); } externalListeners = null; } } _on(eventName, listener, options = null) { const eventListeners = (this.#listeners[eventName] ||= []); eventListeners.push({ listener, external: options?.external === true, once: options?.once === true }); } _off(eventName, listener, options = null) { const eventListeners = this.#listeners[eventName]; if (!eventListeners) { return; } for (let i = 0, ii = eventListeners.length; i < ii; i++) { if (eventListeners[i].listener === listener) { eventListeners.splice(i, 1); return; } } } } exports.EventBus = EventBus; class AutomationEventBus extends EventBus { dispatch(eventName, data) { throw new Error('Not implemented: AutomationEventBus.dispatch'); } } exports.AutomationEventBus = AutomationEventBus; /***/ }, /* 7 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.SimpleLinkService = exports.PDFLinkService = exports.LinkTarget = void 0; var _ui_utils = __webpack_require__(3); const DEFAULT_LINK_REL = 'noopener noreferrer nofollow'; const LinkTarget = { NONE: 0, SELF: 1, BLANK: 2, PARENT: 3, TOP: 4 }; exports.LinkTarget = LinkTarget; function addLinkAttributes(link, { url, target, rel, enabled = true } = {}) { if (!url || typeof url !== 'string') { throw new Error('A valid "url" parameter must provided.'); } const urlNullRemoved = (0, _ui_utils.removeNullCharacters)(url); if (enabled) { link.href = link.title = urlNullRemoved; } else { link.href = ''; link.title = `Disabled: ${urlNullRemoved}`; link.onclick = () => { return false; }; } let targetStr = ''; switch (target) { case LinkTarget.NONE: break; case LinkTarget.SELF: targetStr = '_self'; break; case LinkTarget.BLANK: targetStr = '_blank'; break; case LinkTarget.PARENT: targetStr = '_parent'; break; case LinkTarget.TOP: targetStr = '_top'; break; } link.target = targetStr; link.rel = typeof rel === 'string' ? rel : DEFAULT_LINK_REL; } class PDFLinkService { #pagesRefCache = new Map(); constructor({ eventBus, externalLinkTarget = null, externalLinkRel = null, ignoreDestinationZoom = false } = {}) { this.eventBus = eventBus; this.externalLinkTarget = externalLinkTarget; this.externalLinkRel = externalLinkRel; this.externalLinkEnabled = true; this._ignoreDestinationZoom = ignoreDestinationZoom; this.baseUrl = null; this.pdfDocument = null; this.pdfViewer = null; this.pdfHistory = null; } setDocument(pdfDocument, baseUrl = null) { this.baseUrl = baseUrl; this.pdfDocument = pdfDocument; this.#pagesRefCache.clear(); } setViewer(pdfViewer) { this.pdfViewer = pdfViewer; } setHistory(pdfHistory) { this.pdfHistory = pdfHistory; } get pagesCount() { return this.pdfDocument ? this.pdfDocument.numPages : 0; } get page() { return this.pdfViewer.currentPageNumber; } set page(value) { this.pdfViewer.currentPageNumber = value; } get rotation() { return this.pdfViewer.pagesRotation; } set rotation(value) { this.pdfViewer.pagesRotation = value; } get isInPresentationMode() { return this.pdfViewer.isInPresentationMode; } #goToDestinationHelper(rawDest, namedDest = null, explicitDest) { const destRef = explicitDest[0]; let pageNumber; if (typeof destRef === 'object' && destRef !== null) { pageNumber = this._cachedPageNumber(destRef); if (!pageNumber) { this.pdfDocument .getPageIndex(destRef) .then((pageIndex) => { this.cachePageRef(pageIndex + 1, destRef); this.#goToDestinationHelper(rawDest, namedDest, explicitDest); }) .catch(() => { console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid page reference, for dest="${rawDest}".`); }); return; } } else if (Number.isInteger(destRef)) { pageNumber = destRef + 1; } else { console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid destination reference, for dest="${rawDest}".`); return; } if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) { console.error(`PDFLinkService.#goToDestinationHelper: "${pageNumber}" is not ` + `a valid page number, for dest="${rawDest}".`); return; } if (this.pdfHistory) { this.pdfHistory.pushCurrentPosition(); this.pdfHistory.push({ namedDest, explicitDest, pageNumber }); } this.pdfViewer.scrollPageIntoView({ pageNumber, destArray: explicitDest, ignoreDestinationZoom: this._ignoreDestinationZoom }); } async goToDestination(dest) { if (!this.pdfDocument) { return; } let namedDest, explicitDest; if (typeof dest === 'string') { namedDest = dest; explicitDest = await this.pdfDocument.getDestination(dest); } else { namedDest = null; explicitDest = await dest; } if (!Array.isArray(explicitDest)) { console.error(`PDFLinkService.goToDestination: "${explicitDest}" is not ` + `a valid destination array, for dest="${dest}".`); return; } this.#goToDestinationHelper(dest, namedDest, explicitDest); } goToPage(val) { if (!this.pdfDocument) { return; } const pageNumber = (typeof val === 'string' && this.pdfViewer.pageLabelToPageNumber(val)) || val | 0; if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) { console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`); return; } if (this.pdfHistory) { this.pdfHistory.pushCurrentPosition(); this.pdfHistory.pushPage(pageNumber); } this.pdfViewer.scrollPageIntoView({ pageNumber }); } addLinkAttributes(link, url, newWindow = false) { addLinkAttributes(link, { url, target: newWindow ? LinkTarget.BLANK : this.externalLinkTarget, rel: this.externalLinkRel, enabled: this.externalLinkEnabled }); } getDestinationHash(dest) { if (typeof dest === 'string') { if (dest.length > 0) { return this.getAnchorUrl('#' + escape(dest)); } } else if (Array.isArray(dest)) { const str = JSON.stringify(dest); if (str.length > 0) { return this.getAnchorUrl('#' + escape(str)); } } return this.getAnchorUrl(''); } getAnchorUrl(anchor) { return this.baseUrl ? this.baseUrl + anchor : anchor; } setHash(hash) { if (!this.pdfDocument) { return; } let pageNumber, dest; if (hash.includes('=')) { const params = (0, _ui_utils.parseQueryString)(hash); if (params.has('search')) { const query = params.get('search').replaceAll('"', ''), phrase = params.get('phrase') === 'true'; this.eventBus.dispatch('findfromurlhash', { source: this, query: phrase ? query : query.match(/\S+/g) }); } if (params.has('page')) { pageNumber = params.get('page') | 0 || 1; } if (params.has('zoom')) { const zoomArgs = params.get('zoom').split(','); const zoomArg = zoomArgs[0]; const zoomArgNumber = parseFloat(zoomArg); if (!zoomArg.includes('Fit')) { dest = [ null, { name: 'XYZ' }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg ]; } else { if (zoomArg === 'Fit' || zoomArg === 'FitB') { dest = [ null, { name: zoomArg } ]; } else if (zoomArg === 'FitH' || zoomArg === 'FitBH' || zoomArg === 'FitV' || zoomArg === 'FitBV') { dest = [ null, { name: zoomArg }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null ]; } else if (zoomArg === 'FitR') { if (zoomArgs.length !== 5) { console.error('PDFLinkService.setHash: Not enough parameters for "FitR".'); } else { dest = [ null, { name: zoomArg }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0 ]; } } else { console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`); } } } if (dest) { this.pdfViewer.scrollPageIntoView({ pageNumber: pageNumber || this.page, destArray: dest, allowNegativeOffset: true }); } else if (pageNumber) { this.page = pageNumber; } if (params.has('pagemode')) { this.eventBus.dispatch('pagemode', { source: this, mode: params.get('pagemode') }); } if (params.has('nameddest')) { this.goToDestination(params.get('nameddest')); } } else { dest = unescape(hash); try { dest = JSON.parse(dest); if (!Array.isArray(dest)) { dest = dest.toString(); } } catch (ex) {} if (typeof dest === 'string' || PDFLinkService.#isValidExplicitDestination(dest)) { this.goToDestination(dest); return; } console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`); } } executeNamedAction(action) { switch (action) { case 'GoBack': this.pdfHistory?.back(); break; case 'GoForward': this.pdfHistory?.forward(); break; case 'NextPage': this.pdfViewer.nextPage(); break; case 'PrevPage': this.pdfViewer.previousPage(); break; case 'LastPage': this.page = this.pagesCount; break; case 'FirstPage': this.page = 1; break; default: break; } this.eventBus.dispatch('namedaction', { source: this, action }); } async executeSetOCGState(action) { const pdfDocument = this.pdfDocument; const optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise; if (pdfDocument !== this.pdfDocument) { return; } let operator; for (const elem of action.state) { switch (elem) { case 'ON': case 'OFF': case 'Toggle': operator = elem; continue; } switch (operator) { case 'ON': optionalContentConfig.setVisibility(elem, true); break; case 'OFF': optionalContentConfig.setVisibility(elem, false); break; case 'Toggle': const group = optionalContentConfig.getGroup(elem); if (group) { optionalContentConfig.setVisibility(elem, !group.visible); } break; } } this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig); } cachePageRef(pageNum, pageRef) { if (!pageRef) { return; } const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`; this.#pagesRefCache.set(refStr, pageNum); } _cachedPageNumber(pageRef) { if (!pageRef) { return null; } const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`; return this.#pagesRefCache.get(refStr) || null; } static #isValidExplicitDestination(dest) { if (!Array.isArray(dest)) { return false; } const destLength = dest.length; if (destLength < 2) { return false; } const page = dest[0]; if (!(typeof page === 'object' && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) { return false; } const zoom = dest[1]; if (!(typeof zoom === 'object' && typeof zoom.name === 'string')) { return false; } let allowNull = true; switch (zoom.name) { case 'XYZ': if (destLength !== 5) { return false; } break; case 'Fit': case 'FitB': return destLength === 2; case 'FitH': case 'FitBH': case 'FitV': case 'FitBV': if (destLength !== 3) { return false; } break; case 'FitR': if (destLength !== 6) { return false; } allowNull = false; break; default: return false; } for (let i = 2; i < destLength; i++) { const param = dest[i]; if (!(typeof param === 'number' || (allowNull && param === null))) { return false; } } return true; } } exports.PDFLinkService = PDFLinkService; class SimpleLinkService { constructor() { this.externalLinkEnabled = true; } get pagesCount() { return 0; } get page() { return 0; } set page(value) {} get rotation() { return 0; } set rotation(value) {} get isInPresentationMode() { return false; } async goToDestination(dest) {} goToPage(val) {} addLinkAttributes(link, url, newWindow = false) { addLinkAttributes(link, { url, enabled: this.externalLinkEnabled }); } getDestinationHash(dest) { return '#'; } getAnchorUrl(hash) { return '#'; } setHash(hash) {} executeNamedAction(action) {} executeSetOCGState(action) {} cachePageRef(pageNum, pageRef) {} } exports.SimpleLinkService = SimpleLinkService; /***/ }, /* 8 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.AnnotationEditorParams = void 0; var _pdfjsLib = __webpack_require__(4); class AnnotationEditorParams { constructor(options, eventBus) { this.eventBus = eventBus; this.#bindListeners(options); } #bindListeners({ editorFreeTextFontSize, editorFreeTextColor, editorInkColor, editorInkThickness, editorInkOpacity }) { const dispatchEvent = (typeStr, value) => { this.eventBus.dispatch('switchannotationeditorparams', { source: this, type: _pdfjsLib.AnnotationEditorParamsType[typeStr], value }); }; editorFreeTextFontSize.addEventListener('input', function () { dispatchEvent('FREETEXT_SIZE', this.valueAsNumber); }); editorFreeTextColor.addEventListener('input', function () { dispatchEvent('FREETEXT_COLOR', this.value); }); editorInkColor.addEventListener('input', function () { dispatchEvent('INK_COLOR', this.value); }); editorInkThickness.addEventListener('input', function () { dispatchEvent('INK_THICKNESS', this.valueAsNumber); }); editorInkOpacity.addEventListener('input', function () { dispatchEvent('INK_OPACITY', this.valueAsNumber); }); this.eventBus._on('annotationeditorparamschanged', (evt) => { for (const [type, value] of evt.details) { switch (type) { case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE: editorFreeTextFontSize.value = value; break; case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR: editorFreeTextColor.value = value; break; case _pdfjsLib.AnnotationEditorParamsType.INK_COLOR: editorInkColor.value = value; break; case _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS: editorInkThickness.value = value; break; case _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY: editorInkOpacity.value = value; break; } } }); } } exports.AnnotationEditorParams = AnnotationEditorParams; /***/ }, /* 9 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.OverlayManager = void 0; class OverlayManager { #overlays = new WeakMap(); #active = null; get active() { return this.#active; } async register(dialog, canForceClose = false) { if (typeof dialog !== 'object') { throw new Error('Not enough parameters.'); } else if (this.#overlays.has(dialog)) { throw new Error('The overlay is already registered.'); } this.#overlays.set(dialog, { canForceClose }); dialog.addEventListener('cancel', (evt) => { this.#active = null; }); } async unregister(dialog) { if (!this.#overlays.has(dialog)) { throw new Error('The overlay does not exist.'); } else if (this.#active === dialog) { throw new Error('The overlay cannot be removed while it is active.'); } this.#overlays.delete(dialog); } async open(dialog) { if (!this.#overlays.has(dialog)) { throw new Error('The overlay does not exist.'); } else if (this.#active) { if (this.#active === dialog) { throw new Error('The overlay is already active.'); } else if (this.#overlays.get(dialog).canForceClose) { await this.close(); } else { throw new Error('Another overlay is currently active.'); } } this.#active = dialog; dialog.showModal(); } async close(dialog = this.#active) { if (!this.#overlays.has(dialog)) { throw new Error('The overlay does not exist.'); } else if (!this.#active) { throw new Error('The overlay is currently not active.'); } else if (this.#active !== dialog) { throw new Error('Another overlay is currently active.'); } dialog.close(); this.#active = null; } } exports.OverlayManager = OverlayManager; /***/ }, /* 10 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PasswordPrompt = void 0; var _pdfjsLib = __webpack_require__(4); class PasswordPrompt { #activeCapability = null; #updateCallback = null; #reason = null; constructor(options, overlayManager, l10n, isViewerEmbedded = false) { this.dialog = options.dialog; this.label = options.label; this.input = options.input; this.submitButton = options.submitButton; this.cancelButton = options.cancelButton; this.overlayManager = overlayManager; this.l10n = l10n; this._isViewerEmbedded = isViewerEmbedded; this.submitButton.addEventListener('click', this.#verify.bind(this)); this.cancelButton.addEventListener('click', this.close.bind(this)); this.input.addEventListener('keydown', (e) => { if (e.keyCode === 13) { this.#verify(); } }); this.overlayManager.register(this.dialog, true); this.dialog.addEventListener('close', this.#cancel.bind(this)); } async open() { if (this.#activeCapability) { await this.#activeCapability.promise; } this.#activeCapability = new _pdfjsLib.PromiseCapability(); try { await this.overlayManager.open(this.dialog); } catch (ex) { this.#activeCapability = null; throw ex; } const passwordIncorrect = this.#reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD; if (!this._isViewerEmbedded || passwordIncorrect) { this.input.focus(); } this.label.textContent = await this.l10n.get(`password_${passwordIncorrect ? 'invalid' : 'label'}`); } async close() { if (this.overlayManager.active === this.dialog) { this.overlayManager.close(this.dialog); } } #verify() { const password = this.input.value; if (password?.length > 0) { this.#invokeCallback(password); } } #cancel() { this.#invokeCallback(new Error('PasswordPrompt cancelled.')); this.#activeCapability.resolve(); } #invokeCallback(password) { if (!this.#updateCallback) { return; } this.close(); this.input.value = ''; this.#updateCallback(password); this.#updateCallback = null; } async setUpdateCallback(updateCallback, reason) { if (this.#activeCapability) { await this.#activeCapability.promise; } this.#updateCallback = updateCallback; this.#reason = reason; } } exports.PasswordPrompt = PasswordPrompt; /***/ }, /* 11 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFAttachmentViewer = void 0; var _pdfjsLib = __webpack_require__(4); var _base_tree_viewer = __webpack_require__(12); var _event_utils = __webpack_require__(6); class PDFAttachmentViewer extends _base_tree_viewer.BaseTreeViewer { constructor(options) { super(options); this.downloadManager = options.downloadManager; this.eventBus._on('fileattachmentannotation', this.#appendAttachment.bind(this)); } reset(keepRenderedCapability = false) { super.reset(); this._attachments = null; if (!keepRenderedCapability) { this._renderedCapability = new _pdfjsLib.PromiseCapability(); } this._pendingDispatchEvent = false; } async _dispatchEvent(attachmentsCount) { this._renderedCapability.resolve(); if (attachmentsCount === 0 && !this._pendingDispatchEvent) { this._pendingDispatchEvent = true; await (0, _event_utils.waitOnEventOrTimeout)({ target: this.eventBus, name: 'annotationlayerrendered', delay: 1000 }); if (!this._pendingDispatchEvent) { return; } } this._pendingDispatchEvent = false; this.eventBus.dispatch('attachmentsloaded', { source: this, attachmentsCount }); } _bindLink(element, { content, filename }) { element.onclick = () => { this.downloadManager.openOrDownloadData(element, content, filename); return false; }; } render({ attachments, keepRenderedCapability = false }) { if (this._attachments) { this.reset(keepRenderedCapability); } this._attachments = attachments || null; if (!attachments) { this._dispatchEvent(0); return; } const fragment = document.createDocumentFragment(); let attachmentsCount = 0; for (const name in attachments) { const item = attachments[name]; const content = item.content, filename = (0, _pdfjsLib.getFilenameFromUrl)(item.filename, true); const div = document.createElement('div'); div.className = 'treeItem'; const element = document.createElement('a'); this._bindLink(element, { content, filename }); element.textContent = this._normalizeTextContent(filename); div.append(element); fragment.append(div); attachmentsCount++; } this._finishRendering(fragment, attachmentsCount); } #appendAttachment({ filename, content }) { const renderedPromise = this._renderedCapability.promise; renderedPromise.then(() => { if (renderedPromise !== this._renderedCapability.promise) { return; } const attachments = this._attachments || Object.create(null); for (const name in attachments) { if (filename === name) { return; } } attachments[filename] = { filename, content }; this.render({ attachments, keepRenderedCapability: true }); }); } } exports.PDFAttachmentViewer = PDFAttachmentViewer; /***/ }, /* 12 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.BaseTreeViewer = void 0; var _ui_utils = __webpack_require__(3); const TREEITEM_OFFSET_TOP = -100; const TREEITEM_SELECTED_CLASS = 'selected'; class BaseTreeViewer { constructor(options) { if (this.constructor === BaseTreeViewer) { throw new Error('Cannot initialize BaseTreeViewer.'); } this.container = options.container; this.eventBus = options.eventBus; this.reset(); } reset() { this._pdfDocument = null; this._lastToggleIsShow = true; this._currentTreeItem = null; this.container.textContent = ''; this.container.classList.remove('treeWithDeepNesting'); } _dispatchEvent(count) { throw new Error('Not implemented: _dispatchEvent'); } _bindLink(element, params) { throw new Error('Not implemented: _bindLink'); } _normalizeTextContent(str) { return (0, _ui_utils.removeNullCharacters)(str, true) || '\u2013'; } _addToggleButton(div, hidden = false) { const toggler = document.createElement('div'); toggler.className = 'treeItemToggler'; if (hidden) { toggler.classList.add('treeItemsHidden'); } toggler.onclick = (evt) => { evt.stopPropagation(); toggler.classList.toggle('treeItemsHidden'); if (evt.shiftKey) { const shouldShowAll = !toggler.classList.contains('treeItemsHidden'); this._toggleTreeItem(div, shouldShowAll); } }; div.prepend(toggler); } _toggleTreeItem(root, show = false) { this._lastToggleIsShow = show; for (const toggler of root.querySelectorAll('.treeItemToggler')) { toggler.classList.toggle('treeItemsHidden', !show); } } _toggleAllTreeItems() { this._toggleTreeItem(this.container, !this._lastToggleIsShow); } _finishRendering(fragment, count, hasAnyNesting = false) { if (hasAnyNesting) { this.container.classList.add('treeWithDeepNesting'); this._lastToggleIsShow = !fragment.querySelector('.treeItemsHidden'); } this.container.append(fragment); this._dispatchEvent(count); } render(params) { throw new Error('Not implemented: render'); } _updateCurrentTreeItem(treeItem = null) { if (this._currentTreeItem) { this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS); this._currentTreeItem = null; } if (treeItem) { treeItem.classList.add(TREEITEM_SELECTED_CLASS); this._currentTreeItem = treeItem; } } _scrollToCurrentTreeItem(treeItem) { if (!treeItem) { return; } let currentNode = treeItem.parentNode; while (currentNode && currentNode !== this.container) { if (currentNode.classList.contains('treeItem')) { const toggler = currentNode.firstElementChild; toggler?.classList.remove('treeItemsHidden'); } currentNode = currentNode.parentNode; } this._updateCurrentTreeItem(treeItem); this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP); } } exports.BaseTreeViewer = BaseTreeViewer; /***/ }, /* 13 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFCursorTools = void 0; var _ui_utils = __webpack_require__(3); var _pdfjsLib = __webpack_require__(4); var _grab_to_pan = __webpack_require__(14); class PDFCursorTools { constructor({ container, eventBus, cursorToolOnLoad = _ui_utils.CursorTool.SELECT }) { this.container = container; this.eventBus = eventBus; this.active = _ui_utils.CursorTool.SELECT; this.previouslyActive = null; this.handTool = new _grab_to_pan.GrabToPan({ element: this.container }); this.#addEventListeners(); Promise.resolve().then(() => { this.switchTool(cursorToolOnLoad); }); } get activeTool() { return this.active; } switchTool(tool) { if (this.previouslyActive !== null) { return; } if (tool === this.active) { return; } const disableActiveTool = () => { switch (this.active) { case _ui_utils.CursorTool.SELECT: break; case _ui_utils.CursorTool.HAND: this.handTool.deactivate(); break; case _ui_utils.CursorTool.ZOOM: } }; switch (tool) { case _ui_utils.CursorTool.SELECT: disableActiveTool(); break; case _ui_utils.CursorTool.HAND: disableActiveTool(); this.handTool.activate(); break; case _ui_utils.CursorTool.ZOOM: default: console.error(`switchTool: "${tool}" is an unsupported value.`); return; } this.active = tool; this.#dispatchEvent(); } #dispatchEvent() { this.eventBus.dispatch('cursortoolchanged', { source: this, tool: this.active }); } #addEventListeners() { this.eventBus._on('switchcursortool', (evt) => { this.switchTool(evt.tool); }); let annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE, presentationModeState = _ui_utils.PresentationModeState.NORMAL; const disableActive = () => { const previouslyActive = this.active; this.switchTool(_ui_utils.CursorTool.SELECT); this.previouslyActive ??= previouslyActive; }; const enableActive = () => { const previouslyActive = this.previouslyActive; if ( previouslyActive !== null && annotationEditorMode === _pdfjsLib.AnnotationEditorType.NONE && presentationModeState === _ui_utils.PresentationModeState.NORMAL ) { this.previouslyActive = null; this.switchTool(previouslyActive); } }; this.eventBus._on('secondarytoolbarreset', (evt) => { if (this.previouslyActive !== null) { annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE; presentationModeState = _ui_utils.PresentationModeState.NORMAL; enableActive(); } }); this.eventBus._on('annotationeditormodechanged', ({ mode }) => { annotationEditorMode = mode; if (mode === _pdfjsLib.AnnotationEditorType.NONE) { enableActive(); } else { disableActive(); } }); this.eventBus._on('presentationmodechanged', ({ state }) => { presentationModeState = state; if (state === _ui_utils.PresentationModeState.NORMAL) { enableActive(); } else if (state === _ui_utils.PresentationModeState.FULLSCREEN) { disableActive(); } }); } } exports.PDFCursorTools = PDFCursorTools; /***/ }, /* 14 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.GrabToPan = void 0; const CSS_CLASS_GRAB = 'grab-to-pan-grab'; class GrabToPan { constructor(options) { this.element = options.element; this.document = options.element.ownerDocument; if (typeof options.ignoreTarget === 'function') { this.ignoreTarget = options.ignoreTarget; } this.onActiveChanged = options.onActiveChanged; this.activate = this.activate.bind(this); this.deactivate = this.deactivate.bind(this); this.toggle = this.toggle.bind(this); this._onMouseDown = this.#onMouseDown.bind(this); this._onMouseMove = this.#onMouseMove.bind(this); this._endPan = this.#endPan.bind(this); const overlay = (this.overlay = document.createElement('div')); overlay.className = 'grab-to-pan-grabbing'; } activate() { if (!this.active) { this.active = true; this.element.addEventListener('mousedown', this._onMouseDown, true); this.element.classList.add(CSS_CLASS_GRAB); this.onActiveChanged?.(true); } } deactivate() { if (this.active) { this.active = false; this.element.removeEventListener('mousedown', this._onMouseDown, true); this._endPan(); this.element.classList.remove(CSS_CLASS_GRAB); this.onActiveChanged?.(false); } } toggle() { if (this.active) { this.deactivate(); } else { this.activate(); } } ignoreTarget(node) { return node.matches('a[href], a[href] *, input, textarea, button, button *, select, option'); } #onMouseDown(event) { if (event.button !== 0 || this.ignoreTarget(event.target)) { return; } if (event.originalTarget) { try { event.originalTarget.tagName; } catch (e) { return; } } this.scrollLeftStart = this.element.scrollLeft; this.scrollTopStart = this.element.scrollTop; this.clientXStart = event.clientX; this.clientYStart = event.clientY; this.document.addEventListener('mousemove', this._onMouseMove, true); this.document.addEventListener('mouseup', this._endPan, true); this.element.addEventListener('scroll', this._endPan, true); event.preventDefault(); event.stopPropagation(); const focusedElement = document.activeElement; if (focusedElement && !focusedElement.contains(event.target)) { focusedElement.blur(); } } #onMouseMove(event) { this.element.removeEventListener('scroll', this._endPan, true); if (!(event.buttons & 1)) { this._endPan(); return; } const xDiff = event.clientX - this.clientXStart; const yDiff = event.clientY - this.clientYStart; const scrollTop = this.scrollTopStart - yDiff; const scrollLeft = this.scrollLeftStart - xDiff; if (this.element.scrollTo) { this.element.scrollTo({ top: scrollTop, left: scrollLeft, behavior: 'instant' }); } else { this.element.scrollTop = scrollTop; this.element.scrollLeft = scrollLeft; } if (!this.overlay.parentNode) { document.body.append(this.overlay); } } #endPan() { this.element.removeEventListener('scroll', this._endPan, true); this.document.removeEventListener('mousemove', this._onMouseMove, true); this.document.removeEventListener('mouseup', this._endPan, true); this.overlay.remove(); } } exports.GrabToPan = GrabToPan; /***/ }, /* 15 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFDocumentProperties = void 0; var _ui_utils = __webpack_require__(3); var _pdfjsLib = __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 { #fieldData = null; constructor({ dialog, fields, closeButton }, overlayManager, eventBus, l10n, fileNameLookup) { this.dialog = dialog; this.fields = fields; this.overlayManager = overlayManager; this.l10n = l10n; this._fileNameLookup = fileNameLookup; this.#reset(); closeButton.addEventListener('click', this.close.bind(this)); this.overlayManager.register(this.dialog); eventBus._on('pagechanging', (evt) => { this._currentPageNumber = evt.pageNumber; }); eventBus._on('rotationchanging', (evt) => { this._pagesRotation = evt.pagesRotation; }); this._isNonMetricLocale = true; l10n.getLanguage().then((locale) => { this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale); }); } async open() { await Promise.all([this.overlayManager.open(this.dialog), this._dataAvailableCapability.promise]); const currentPageNumber = this._currentPageNumber; const pagesRotation = this._pagesRotation; if (this.#fieldData && currentPageNumber === this.#fieldData._currentPageNumber && pagesRotation === this.#fieldData._pagesRotation) { this.#updateUI(); return; } const { info, contentLength } = await this.pdfDocument.getMetadata(); const [fileName, fileSize, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([ this._fileNameLookup(), this.#parseFileSize(contentLength), this.#parseDate(info.CreationDate), this.#parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then((pdfPage) => { return this.#parsePageSize((0, _ui_utils.getPageSizeInches)(pdfPage), pagesRotation); }), this.#parseLinearization(info.IsLinearized) ]); this.#fieldData = Object.freeze({ fileName, fileSize, title: info.Title, author: info.Author, subject: info.Subject, keywords: info.Keywords, creationDate, modificationDate, creator: info.Creator, producer: info.Producer, version: info.PDFFormatVersion, pageCount: this.pdfDocument.numPages, pageSize, linearized: isLinearized, _currentPageNumber: currentPageNumber, _pagesRotation: pagesRotation }); this.#updateUI(); const { length } = await this.pdfDocument.getDownloadInfo(); if (contentLength === length) { return; } const data = Object.assign(Object.create(null), this.#fieldData); data.fileSize = await this.#parseFileSize(length); this.#fieldData = Object.freeze(data); this.#updateUI(); } async close() { this.overlayManager.close(this.dialog); } setDocument(pdfDocument) { if (this.pdfDocument) { this.#reset(); this.#updateUI(true); } if (!pdfDocument) { return; } this.pdfDocument = pdfDocument; this._dataAvailableCapability.resolve(); } #reset() { this.pdfDocument = null; this.#fieldData = null; this._dataAvailableCapability = new _pdfjsLib.PromiseCapability(); this._currentPageNumber = 1; this._pagesRotation = 0; } #updateUI(reset = false) { if (reset || !this.#fieldData) { for (const id in this.fields) { this.fields[id].textContent = DEFAULT_FIELD_CONTENT; } return; } if (this.overlayManager.active !== this.dialog) { return; } for (const id in this.fields) { const content = this.#fieldData[id]; this.fields[id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT; } } async #parseFileSize(fileSize = 0) { const kb = fileSize / 1024, mb = kb / 1024; if (!kb) { return undefined; } return this.l10n.get(`document_properties_${mb >= 1 ? 'mb' : 'kb'}`, { size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(), size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(), size_b: fileSize.toLocaleString() }); } async #parsePageSize(pageSizeInches, pagesRotation) { if (!pageSizeInches) { return undefined; } if (pagesRotation % 180 !== 0) { pageSizeInches = { width: pageSizeInches.height, height: pageSizeInches.width }; } const isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches); let sizeInches = { width: Math.round(pageSizeInches.width * 100) / 100, height: Math.round(pageSizeInches.height * 100) / 100 }; let sizeMillimeters = { width: Math.round(pageSizeInches.width * 25.4 * 10) / 10, height: Math.round(pageSizeInches.height * 25.4 * 10) / 10 }; let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES); if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) { const exactMillimeters = { width: pageSizeInches.width * 25.4, height: pageSizeInches.height * 25.4 }; const intMillimeters = { width: Math.round(sizeMillimeters.width), height: Math.round(sizeMillimeters.height) }; if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) { rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES); if (rawName) { sizeInches = { width: Math.round((intMillimeters.width / 25.4) * 100) / 100, height: Math.round((intMillimeters.height / 25.4) * 100) / 100 }; sizeMillimeters = intMillimeters; } } } const [{ width, height }, unit, name, orientation] = await Promise.all([ this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get(`document_properties_page_size_unit_${this._isNonMetricLocale ? 'inches' : 'millimeters'}`), rawName && this.l10n.get(`document_properties_page_size_name_${rawName.toLowerCase()}`), this.l10n.get(`document_properties_page_size_orientation_${isPortrait ? 'portrait' : 'landscape'}`) ]); return this.l10n.get(`document_properties_page_size_dimension_${name ? 'name_' : ''}string`, { width: width.toLocaleString(), height: height.toLocaleString(), unit, name, orientation }); } async #parseDate(inputDate) { const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate); if (!dateObject) { return undefined; } return this.l10n.get('document_properties_date_string', { date: dateObject.toLocaleDateString(), time: dateObject.toLocaleTimeString() }); } #parseLinearization(isLinearized) { return this.l10n.get(`document_properties_linearized_${isLinearized ? 'yes' : 'no'}`); } } exports.PDFDocumentProperties = PDFDocumentProperties; /***/ }, /* 16 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFFindBar = void 0; var _pdf_find_controller = __webpack_require__(17); var _ui_utils = __webpack_require__(3); const MATCHES_COUNT_LIMIT = 1000; class PDFFindBar { constructor(options, eventBus, l10n) { this.opened = false; this.bar = options.bar; this.toggleButton = options.toggleButton; this.findField = options.findField; this.highlightAll = options.highlightAllCheckbox; this.caseSensitive = options.caseSensitiveCheckbox; this.matchDiacritics = options.matchDiacriticsCheckbox; this.entireWord = options.entireWordCheckbox; this.findMsg = options.findMsg; this.findResultsCount = options.findResultsCount; this.findPreviousButton = options.findPreviousButton; this.findNextButton = options.findNextButton; this.eventBus = eventBus; this.l10n = l10n; this.toggleButton.addEventListener('click', () => { this.toggle(); }); this.findField.addEventListener('input', () => { this.dispatchEvent(''); }); this.bar.addEventListener('keydown', (e) => { switch (e.keyCode) { case 13: if (e.target === this.findField) { this.dispatchEvent('again', e.shiftKey); } break; case 27: this.close(); break; } }); this.findPreviousButton.addEventListener('click', () => { this.dispatchEvent('again', true); }); this.findNextButton.addEventListener('click', () => { this.dispatchEvent('again', false); }); this.highlightAll.addEventListener('click', () => { this.dispatchEvent('highlightallchange'); }); this.caseSensitive.addEventListener('click', () => { this.dispatchEvent('casesensitivitychange'); }); this.entireWord.addEventListener('click', () => { this.dispatchEvent('entirewordchange'); }); this.matchDiacritics.addEventListener('click', () => { this.dispatchEvent('diacriticmatchingchange'); }); this.eventBus._on('resize', this.#adjustWidth.bind(this)); } reset() { this.updateUIState(); } dispatchEvent(type, findPrev = false) { this.eventBus.dispatch('find', { source: this, type, query: this.findField.value, caseSensitive: this.caseSensitive.checked, entireWord: this.entireWord.checked, highlightAll: this.highlightAll.checked, findPrevious: findPrev, matchDiacritics: this.matchDiacritics.checked }); } updateUIState(state, previous, matchesCount) { let findMsg = Promise.resolve(''); let status = ''; switch (state) { case _pdf_find_controller.FindState.FOUND: break; case _pdf_find_controller.FindState.PENDING: status = 'pending'; break; case _pdf_find_controller.FindState.NOT_FOUND: findMsg = this.l10n.get('find_not_found'); status = 'notFound'; break; case _pdf_find_controller.FindState.WRAPPED: findMsg = this.l10n.get(`find_reached_${previous ? 'top' : 'bottom'}`); break; } this.findField.setAttribute('data-status', status); this.findField.setAttribute('aria-invalid', state === _pdf_find_controller.FindState.NOT_FOUND); findMsg.then((msg) => { this.findMsg.setAttribute('data-status', status); this.findMsg.textContent = msg; this.#adjustWidth(); }); this.updateResultsCount(matchesCount); } updateResultsCount({ current = 0, total = 0 } = {}) { const limit = MATCHES_COUNT_LIMIT; let matchCountMsg = Promise.resolve(''); if (total > 0) { if (total > limit) { let key = 'find_match_count_limit'; matchCountMsg = this.l10n.get(key, { limit }); } else { let key = 'find_match_count'; matchCountMsg = this.l10n.get(key, { current, total }); } } matchCountMsg.then((msg) => { this.findResultsCount.textContent = msg; this.#adjustWidth(); }); } open() { if (!this.opened) { this.opened = true; (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true, this.bar); } this.findField.select(); this.findField.focus(); this.#adjustWidth(); } close() { if (!this.opened) { return; } this.opened = false; (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false, this.bar); this.eventBus.dispatch('findbarclose', { source: this }); } toggle() { if (this.opened) { this.close(); } else { this.open(); } } #adjustWidth() { if (!this.opened) { return; } this.bar.classList.remove('wrapContainers'); const findbarHeight = this.bar.clientHeight; const inputContainerHeight = this.bar.firstElementChild.clientHeight; if (findbarHeight > inputContainerHeight) { this.bar.classList.add('wrapContainers'); } } } exports.PDFFindBar = PDFFindBar; /***/ }, /* 17 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFFindController = exports.FindState = void 0; var _ui_utils = __webpack_require__(3); var _pdf_find_utils = __webpack_require__(18); var _pdfjsLib = __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 = { '\u2010': '-', '\u2018': "'", '\u2019': "'", '\u201A': "'", '\u201B': "'", '\u201C': '"', '\u201D': '"', '\u201E': '"', '\u201F': '"', '\u00BC': '1/4', '\u00BD': '1/2', '\u00BE': '3/4' }; const DIACRITICS_EXCEPTION = new Set([ 0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74 ]); let DIACRITICS_EXCEPTION_STR; const DIACRITICS_REG_EXP = /\p{M}+/gu; const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu; const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u; const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u; const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g; const SYLLABLES_LENGTHS = new Map(); const FIRST_CHAR_SYLLABLES_REG_EXP = '[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]'; const NFKC_CHARS_TO_NORMALIZE = new Map(); let noSyllablesRegExp = null; let withSyllablesRegExp = null; function normalize(text) { const syllablePositions = []; let m; while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) { let { index } = m; for (const char of m[0]) { let len = SYLLABLES_LENGTHS.get(char); if (!len) { len = char.normalize('NFD').length; SYLLABLES_LENGTHS.set(char, len); } syllablePositions.push([len, index++]); } } let normalizationRegex; if (syllablePositions.length === 0 && noSyllablesRegExp) { normalizationRegex = noSyllablesRegExp; } else if (syllablePositions.length > 0 && withSyllablesRegExp) { normalizationRegex = withSyllablesRegExp; } else { const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(''); const toNormalizeWithNFKC = (0, _pdf_find_utils.getNormalizeWithNFKC)(); const CJK = '(?:\\p{Ideographic}|[\u3040-\u30FF])'; const HKDiacritics = '(?:\u3099|\u309A)'; const regexp = `([${replace}])|([${toNormalizeWithNFKC}])|(${HKDiacritics}\\n)|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(${CJK}\\n)|(\\n)`; if (syllablePositions.length === 0) { normalizationRegex = noSyllablesRegExp = new RegExp(regexp + '|(\\u0000)', 'gum'); } else { normalizationRegex = withSyllablesRegExp = new RegExp(regexp + `|(${FIRST_CHAR_SYLLABLES_REG_EXP})`, 'gum'); } } const rawDiacriticsPositions = []; while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) { rawDiacriticsPositions.push([m[0].length, m.index]); } let normalized = text.normalize('NFD'); const positions = [[0, 0]]; let rawDiacriticsIndex = 0; let syllableIndex = 0; let shift = 0; let shiftOrigin = 0; let eol = 0; let hasDiacritics = false; normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, p6, p7, p8, i) => { i -= shiftOrigin; if (p1) { const replacement = CHARACTERS_TO_NORMALIZE[p1]; const jj = replacement.length; for (let j = 1; j < jj; j++) { positions.push([i - shift + j, shift - j]); } shift -= jj - 1; return replacement; } if (p2) { let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2); if (!replacement) { replacement = p2.normalize('NFKC'); NFKC_CHARS_TO_NORMALIZE.set(p2, replacement); } const jj = replacement.length; for (let j = 1; j < jj; j++) { positions.push([i - shift + j, shift - j]); } shift -= jj - 1; return replacement; } if (p3) { hasDiacritics = true; if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) { ++rawDiacriticsIndex; } else { positions.push([i - 1 - shift + 1, shift - 1]); shift -= 1; shiftOrigin += 1; } positions.push([i - shift + 1, shift]); shiftOrigin += 1; eol += 1; return p3.charAt(0); } if (p4) { const hasTrailingDashEOL = p4.endsWith('\n'); const len = hasTrailingDashEOL ? p4.length - 2 : p4.length; hasDiacritics = true; let jj = len; if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) { jj -= rawDiacriticsPositions[rawDiacriticsIndex][0]; ++rawDiacriticsIndex; } for (let j = 1; j <= jj; j++) { positions.push([i - 1 - shift + j, shift - j]); } shift -= jj; shiftOrigin += jj; if (hasTrailingDashEOL) { i += len - 1; positions.push([i - shift + 1, 1 + shift]); shift += 1; shiftOrigin += 1; eol += 1; return p4.slice(0, len); } return p4; } if (p5) { const len = p5.length - 2; positions.push([i - shift + len, 1 + shift]); shift += 1; shiftOrigin += 1; eol += 1; return p5.slice(0, -2); } if (p6) { const len = p6.length - 1; positions.push([i - shift + len, shift]); shiftOrigin += 1; eol += 1; return p6.slice(0, -1); } if (p7) { positions.push([i - shift + 1, shift - 1]); shift -= 1; shiftOrigin += 1; eol += 1; return ' '; } if (i + eol === syllablePositions[syllableIndex]?.[1]) { const newCharLen = syllablePositions[syllableIndex][0] - 1; ++syllableIndex; for (let j = 1; j <= newCharLen; j++) { positions.push([i - (shift - j), shift - j]); } shift -= newCharLen; shiftOrigin += newCharLen; } return p8; }); positions.push([normalized.length, shift]); return [normalized, positions, hasDiacritics]; } function getOriginalIndex(diffs, pos, len) { if (!diffs) { return [pos, len]; } const start = pos; const end = pos + len - 1; let i = (0, _ui_utils.binarySearchFirstItem)(diffs, (x) => x[0] >= start); if (diffs[i][0] > start) { --i; } let j = (0, _ui_utils.binarySearchFirstItem)(diffs, (x) => x[0] >= end, i); if (diffs[j][0] > end) { --j; } const oldStart = start + diffs[i][1]; const oldEnd = end + diffs[j][1]; const oldLen = oldEnd + 1 - oldStart; return [oldStart, oldLen]; } class PDFFindController { #state = null; #updateMatchesCountOnProgress = true; #visitedPagesCount = 0; constructor({ linkService, eventBus, updateMatchesCountOnProgress = true }) { this._linkService = linkService; this._eventBus = eventBus; this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress; this.onIsPageVisible = null; this.#reset(); eventBus._on('find', this.#onFind.bind(this)); eventBus._on('findbarclose', this.#onFindBarClose.bind(this)); } get highlightMatches() { return this._highlightMatches; } get pageMatches() { return this._pageMatches; } get pageMatchesLength() { return this._pageMatchesLength; } get selected() { return this._selected; } get state() { return this.#state; } setDocument(pdfDocument) { if (this._pdfDocument) { this.#reset(); } if (!pdfDocument) { return; } this._pdfDocument = pdfDocument; this._firstPageCapability.resolve(); } #onFind(state) { if (!state) { return; } if (state.phraseSearch === false) { console.error('The `phraseSearch`-parameter was removed, please provide ' + 'an Array of strings in the `query`-parameter instead.'); if (typeof state.query === 'string') { state.query = state.query.match(/\S+/g); } } const pdfDocument = this._pdfDocument; const { type } = state; if (this.#state === null || this.#shouldDirtyMatch(state)) { this._dirtyMatch = true; } this.#state = state; if (type !== 'highlightallchange') { this.#updateUIState(FindState.PENDING); } this._firstPageCapability.promise.then(() => { if (!this._pdfDocument || (pdfDocument && this._pdfDocument !== pdfDocument)) { return; } this.#extractText(); const findbarClosed = !this._highlightMatches; const pendingTimeout = !!this._findTimeout; if (this._findTimeout) { clearTimeout(this._findTimeout); this._findTimeout = null; } if (!type) { this._findTimeout = setTimeout(() => { this.#nextMatch(); this._findTimeout = null; }, FIND_TIMEOUT); } else if (this._dirtyMatch) { this.#nextMatch(); } else if (type === 'again') { this.#nextMatch(); if (findbarClosed && this.#state.highlightAll) { this.#updateAllPages(); } } else if (type === 'highlightallchange') { if (pendingTimeout) { this.#nextMatch(); } else { this._highlightMatches = true; } this.#updateAllPages(); } else { this.#nextMatch(); } }); } scrollMatchIntoView({ element = null, selectedLeft = 0, pageIndex = -1, matchIndex = -1 }) { if (!this._scrollMatches || !element) { return; } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) { return; } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) { return; } this._scrollMatches = false; const spot = { top: MATCH_SCROLL_OFFSET_TOP, left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT }; (0, _ui_utils.scrollIntoView)(element, spot, true); } #reset() { this._highlightMatches = false; this._scrollMatches = false; this._pdfDocument = null; this._pageMatches = []; this._pageMatchesLength = []; this.#visitedPagesCount = 0; this.#state = null; this._selected = { pageIdx: -1, matchIdx: -1 }; this._offset = { pageIdx: null, matchIdx: null, wrapped: false }; this._extractTextPromises = []; this._pageContents = []; this._pageDiffs = []; this._hasDiacritics = []; this._matchesCountTotal = 0; this._pagesToSearch = null; this._pendingFindMatches = new Set(); this._resumePageIdx = null; this._dirtyMatch = false; clearTimeout(this._findTimeout); this._findTimeout = null; this._firstPageCapability = new _pdfjsLib.PromiseCapability(); } get #query() { const { query } = this.#state; if (typeof query === 'string') { if (query !== this._rawQuery) { this._rawQuery = query; [this._normalizedQuery] = normalize(query); } return this._normalizedQuery; } return (query || []).filter((q) => !!q).map((q) => normalize(q)[0]); } #shouldDirtyMatch(state) { const newQuery = state.query, prevQuery = this.#state.query; const newType = typeof newQuery, prevType = typeof prevQuery; if (newType !== prevType) { return true; } if (newType === 'string') { if (newQuery !== prevQuery) { return true; } } else { if (JSON.stringify(newQuery) !== JSON.stringify(prevQuery)) { return true; } } switch (state.type) { case 'again': const pageNumber = this._selected.pageIdx + 1; const linkService = this._linkService; return ( pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !(this.onIsPageVisible?.(pageNumber) ?? true) ); case 'highlightallchange': return false; } return true; } #isEntireWord(content, startIdx, length) { let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP); if (match) { const first = content.charCodeAt(startIdx); const limit = match[1].charCodeAt(0); if ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.getCharacterType)(limit)) { return false; } } match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP); if (match) { const last = content.charCodeAt(startIdx + length - 1); const limit = match[1].charCodeAt(0); if ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.getCharacterType)(limit)) { return false; } } return true; } #calculateRegExpMatch(query, entireWord, pageIndex, pageContent) { const matches = (this._pageMatches[pageIndex] = []); const matchesLength = (this._pageMatchesLength[pageIndex] = []); if (!query) { return; } const diffs = this._pageDiffs[pageIndex]; let match; while ((match = query.exec(pageContent)) !== null) { if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) { continue; } const [matchPos, matchLen] = getOriginalIndex(diffs, match.index, match[0].length); if (matchLen) { matches.push(matchPos); matchesLength.push(matchLen); } } } #convertToRegExpString(query, hasDiacritics) { const { matchDiacritics } = this.#state; let isUnicode = false; query = query.replaceAll(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => { if (p1) { return `[ ]*\\${p1}[ ]*`; } if (p2) { return `[ ]*${p2}[ ]*`; } if (p3) { return '[ ]+'; } if (matchDiacritics) { return p4 || p5; } if (p4) { return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : ''; } if (hasDiacritics) { isUnicode = true; return `${p5}\\p{M}*`; } return p5; }); const trailingSpaces = '[ ]*'; if (query.endsWith(trailingSpaces)) { query = query.slice(0, query.length - trailingSpaces.length); } if (matchDiacritics) { if (hasDiacritics) { DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(...DIACRITICS_EXCEPTION); isUnicode = true; query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`; } } return [isUnicode, query]; } #calculateMatch(pageIndex) { let query = this.#query; if (query.length === 0) { return; } const { caseSensitive, entireWord } = this.#state; const pageContent = this._pageContents[pageIndex]; const hasDiacritics = this._hasDiacritics[pageIndex]; let isUnicode = false; if (typeof query === 'string') { [isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics); } else { query = query .sort() .reverse() .map((q) => { const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics); isUnicode ||= isUnicodePart; return `(${queryPart})`; }) .join('|'); } const flags = `g${isUnicode ? 'u' : ''}${caseSensitive ? '' : 'i'}`; query = query ? new RegExp(query, flags) : null; this.#calculateRegExpMatch(query, entireWord, pageIndex, pageContent); if (this.#state.highlightAll) { this.#updatePage(pageIndex); } if (this._resumePageIdx === pageIndex) { this._resumePageIdx = null; this.#nextPageMatch(); } const pageMatchesCount = this._pageMatches[pageIndex].length; this._matchesCountTotal += pageMatchesCount; if (this.#updateMatchesCountOnProgress) { if (pageMatchesCount > 0) { this.#updateUIResultsCount(); } } else if (++this.#visitedPagesCount === this._linkService.pagesCount) { this.#updateUIResultsCount(); } } #extractText() { if (this._extractTextPromises.length > 0) { return; } let promise = Promise.resolve(); const textOptions = { disableNormalization: true }; for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) { const extractTextCapability = new _pdfjsLib.PromiseCapability(); this._extractTextPromises[i] = extractTextCapability.promise; promise = promise.then(() => { return this._pdfDocument .getPage(i + 1) .then((pdfPage) => { return pdfPage.getTextContent(textOptions); }) .then( (textContent) => { const strBuf = []; for (const textItem of textContent.items) { strBuf.push(textItem.str); if (textItem.hasEOL) { strBuf.push('\n'); } } [this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join('')); extractTextCapability.resolve(); }, (reason) => { console.error(`Unable to get text content for page ${i + 1}`, reason); this._pageContents[i] = ''; this._pageDiffs[i] = null; this._hasDiacritics[i] = false; extractTextCapability.resolve(); } ); }); } } #updatePage(index) { if (this._scrollMatches && this._selected.pageIdx === index) { this._linkService.page = index + 1; } this._eventBus.dispatch('updatetextlayermatches', { source: this, pageIndex: index }); } #updateAllPages() { this._eventBus.dispatch('updatetextlayermatches', { source: this, pageIndex: -1 }); } #nextMatch() { const previous = this.#state.findPrevious; const currentPageIndex = this._linkService.page - 1; const numPages = this._linkService.pagesCount; this._highlightMatches = true; if (this._dirtyMatch) { this._dirtyMatch = false; this._selected.pageIdx = this._selected.matchIdx = -1; this._offset.pageIdx = currentPageIndex; this._offset.matchIdx = null; this._offset.wrapped = false; this._resumePageIdx = null; this._pageMatches.length = 0; this._pageMatchesLength.length = 0; this.#visitedPagesCount = 0; this._matchesCountTotal = 0; this.#updateAllPages(); for (let i = 0; i < numPages; i++) { if (this._pendingFindMatches.has(i)) { continue; } this._pendingFindMatches.add(i); this._extractTextPromises[i].then(() => { this._pendingFindMatches.delete(i); this.#calculateMatch(i); }); } } const query = this.#query; if (query.length === 0) { this.#updateUIState(FindState.FOUND); return; } if (this._resumePageIdx) { return; } const offset = this._offset; this._pagesToSearch = numPages; if (offset.matchIdx !== null) { const numPageMatches = this._pageMatches[offset.pageIdx].length; if ((!previous && offset.matchIdx + 1 < numPageMatches) || (previous && offset.matchIdx > 0)) { offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1; this.#updateMatch(true); return; } this.#advanceOffsetPage(previous); } this.#nextPageMatch(); } #matchesReady(matches) { const offset = this._offset; const numMatches = matches.length; const previous = this.#state.findPrevious; if (numMatches) { offset.matchIdx = previous ? numMatches - 1 : 0; this.#updateMatch(true); return true; } this.#advanceOffsetPage(previous); if (offset.wrapped) { offset.matchIdx = null; if (this._pagesToSearch < 0) { this.#updateMatch(false); return true; } } return false; } #nextPageMatch() { if (this._resumePageIdx !== null) { console.error('There can only be one pending page.'); } let matches = null; do { const pageIdx = this._offset.pageIdx; matches = this._pageMatches[pageIdx]; if (!matches) { this._resumePageIdx = pageIdx; break; } } while (!this.#matchesReady(matches)); } #advanceOffsetPage(previous) { const offset = this._offset; const numPages = this._linkService.pagesCount; offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1; offset.matchIdx = null; this._pagesToSearch--; if (offset.pageIdx >= numPages || offset.pageIdx < 0) { offset.pageIdx = previous ? numPages - 1 : 0; offset.wrapped = true; } } #updateMatch(found = false) { let state = FindState.NOT_FOUND; const wrapped = this._offset.wrapped; this._offset.wrapped = false; if (found) { const previousPage = this._selected.pageIdx; this._selected.pageIdx = this._offset.pageIdx; this._selected.matchIdx = this._offset.matchIdx; state = wrapped ? FindState.WRAPPED : FindState.FOUND; if (previousPage !== -1 && previousPage !== this._selected.pageIdx) { this.#updatePage(previousPage); } } this.#updateUIState(state, this.#state.findPrevious); if (this._selected.pageIdx !== -1) { this._scrollMatches = true; this.#updatePage(this._selected.pageIdx); } } #onFindBarClose(evt) { const pdfDocument = this._pdfDocument; this._firstPageCapability.promise.then(() => { if (!this._pdfDocument || (pdfDocument && this._pdfDocument !== pdfDocument)) { return; } if (this._findTimeout) { clearTimeout(this._findTimeout); this._findTimeout = null; } if (this._resumePageIdx) { this._resumePageIdx = null; this._dirtyMatch = true; } this.#updateUIState(FindState.FOUND); this._highlightMatches = false; this.#updateAllPages(); }); } #requestMatchesCount() { const { pageIdx, matchIdx } = this._selected; let current = 0, total = this._matchesCountTotal; if (matchIdx !== -1) { for (let i = 0; i < pageIdx; i++) { current += this._pageMatches[i]?.length || 0; } current += matchIdx + 1; } if (current < 1 || current > total) { current = total = 0; } return { current, total }; } #updateUIResultsCount() { this._eventBus.dispatch('updatefindmatchescount', { source: this, matchesCount: this.#requestMatchesCount() }); } #updateUIState(state, previous = false) { if (!this.#updateMatchesCountOnProgress && (this.#visitedPagesCount !== this._linkService.pagesCount || state === FindState.PENDING)) { return; } this._eventBus.dispatch('updatefindcontrolstate', { source: this, state, previous, matchesCount: this.#requestMatchesCount(), rawQuery: this.#state?.query ?? null }); } } exports.PDFFindController = PDFFindController; /***/ }, /* 18 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.CharacterType = void 0; exports.getCharacterType = getCharacterType; exports.getNormalizeWithNFKC = getNormalizeWithNFKC; 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; } let NormalizeWithNFKC; function getNormalizeWithNFKC() { NormalizeWithNFKC ||= ` ¨ª¯²-µ¸-º¼-¾IJ-ijĿ-ŀʼnſDŽ-njDZ-dzʰ-ʸ˘-˝ˠ-ˤʹͺ;΄-΅·ϐ-ϖϰ-ϲϴ-ϵϹևٵ-ٸक़-य़ড়-ঢ়য়ਲ਼ਸ਼ਖ਼-ਜ਼ਫ਼ଡ଼-ଢ଼ำຳໜ-ໝ༌གྷཌྷདྷབྷཛྷཀྵჼᴬ-ᴮᴰ-ᴺᴼ-ᵍᵏ-ᵪᵸᶛ-ᶿẚ-ẛάέήίόύώΆ᾽-῁ΈΉ῍-῏ΐΊ῝-῟ΰΎ῭-`ΌΏ´-῾ - ‑‗․-… ″-‴‶-‷‼‾⁇-⁉⁗ ⁰-ⁱ⁴-₎ₐ-ₜ₨℀-℃℅-ℇ℉-ℓℕ-№ℙ-ℝ℠-™ℤΩℨK-ℭℯ-ℱℳ-ℹ℻-⅀ⅅ-ⅉ⅐-ⅿ↉∬-∭∯-∰〈-〉①-⓪⨌⩴-⩶⫝̸ⱼ-ⱽⵯ⺟⻳⼀-⿕ 〶〸-〺゛-゜ゟヿㄱ-ㆎ㆒-㆟㈀-㈞㈠-㉇㉐-㉾㊀-㏿ꚜ-ꚝꝰꟲ-ꟴꟸ-ꟹꭜ-ꭟꭩ豈-嗀塚晴凞-羽蘒諸逸-都飯-舘並-龎ff-stﬓ-ﬗיִײַ-זּטּ-לּמּנּ-סּףּ-פּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-﷼︐-︙︰-﹄﹇-﹒﹔-﹦﹨-﹫ﹰ-ﹲﹴﹶ-ﻼ!-하-ᅦᅧ-ᅬᅭ-ᅲᅳ-ᅵ¢-₩`; return NormalizeWithNFKC; } /***/ }, /* 19 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFHistory = void 0; exports.isDestArraysEqual = isDestArraysEqual; exports.isDestHashesEqual = isDestHashesEqual; var _ui_utils = __webpack_require__(3); var _event_utils = __webpack_require__(6); const HASH_CHANGE_TIMEOUT = 1000; const POSITION_UPDATED_THRESHOLD = 50; const UPDATE_VIEWAREA_TIMEOUT = 1000; function getCurrentHash() { return document.location.hash; } class PDFHistory { constructor({ linkService, eventBus }) { this.linkService = linkService; this.eventBus = eventBus; this._initialized = false; this._fingerprint = ''; this.reset(); this._boundEvents = null; this.eventBus._on('pagesinit', () => { this._isPagesLoaded = false; this.eventBus._on( 'pagesloaded', (evt) => { this._isPagesLoaded = !!evt.pagesCount; }, { once: true } ); }); } initialize({ fingerprint, resetHistory = false, updateUrl = false }) { if (!fingerprint || typeof fingerprint !== 'string') { console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.'); return; } if (this._initialized) { this.reset(); } const reInitialized = this._fingerprint !== '' && this._fingerprint !== fingerprint; this._fingerprint = fingerprint; this._updateUrl = updateUrl === true; this._initialized = true; this._bindEvents(); const state = window.history.state; this._popStateInProgress = false; this._blockHashChange = 0; this._currentHash = getCurrentHash(); this._numPositionUpdates = 0; this._uid = this._maxUid = 0; this._destination = null; this._position = null; if (!this._isValidState(state, true) || resetHistory) { const { hash, page, rotation } = this._parseCurrentHash(true); if (!hash || reInitialized || resetHistory) { this._pushOrReplaceState(null, true); return; } this._pushOrReplaceState( { hash, page, rotation }, true ); return; } const destination = state.destination; this._updateInternalState(destination, state.uid, true); if (destination.rotation !== undefined) { this._initialRotation = destination.rotation; } if (destination.dest) { this._initialBookmark = JSON.stringify(destination.dest); this._destination.page = null; } else if (destination.hash) { this._initialBookmark = destination.hash; } else if (destination.page) { this._initialBookmark = `page=${destination.page}`; } } reset() { if (this._initialized) { this._pageHide(); this._initialized = false; this._unbindEvents(); } if (this._updateViewareaTimeout) { clearTimeout(this._updateViewareaTimeout); this._updateViewareaTimeout = null; } this._initialBookmark = null; this._initialRotation = null; } push({ namedDest = null, explicitDest, pageNumber }) { if (!this._initialized) { return; } if (namedDest && typeof namedDest !== 'string') { console.error('PDFHistory.push: ' + `"${namedDest}" is not a valid namedDest parameter.`); return; } else if (!Array.isArray(explicitDest)) { console.error('PDFHistory.push: ' + `"${explicitDest}" is not a valid explicitDest parameter.`); return; } else if (!this._isValidPage(pageNumber)) { if (pageNumber !== null || this._destination) { console.error('PDFHistory.push: ' + `"${pageNumber}" is not a valid pageNumber parameter.`); return; } } const hash = namedDest || JSON.stringify(explicitDest); if (!hash) { return; } let forceReplace = false; if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) { if (this._destination.page) { return; } forceReplace = true; } if (this._popStateInProgress && !forceReplace) { return; } this._pushOrReplaceState( { dest: explicitDest, hash, page: pageNumber, rotation: this.linkService.rotation }, forceReplace ); if (!this._popStateInProgress) { this._popStateInProgress = true; Promise.resolve().then(() => { this._popStateInProgress = false; }); } } pushPage(pageNumber) { if (!this._initialized) { return; } if (!this._isValidPage(pageNumber)) { console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`); return; } if (this._destination?.page === pageNumber) { return; } if (this._popStateInProgress) { return; } this._pushOrReplaceState({ dest: null, hash: `page=${pageNumber}`, page: pageNumber, rotation: this.linkService.rotation }); if (!this._popStateInProgress) { this._popStateInProgress = true; Promise.resolve().then(() => { this._popStateInProgress = false; }); } } pushCurrentPosition() { if (!this._initialized || this._popStateInProgress) { return; } this._tryPushCurrentPosition(); } back() { if (!this._initialized || this._popStateInProgress) { return; } const state = window.history.state; if (this._isValidState(state) && state.uid > 0) { window.history.back(); } } forward() { if (!this._initialized || this._popStateInProgress) { return; } const state = window.history.state; if (this._isValidState(state) && state.uid < this._maxUid) { window.history.forward(); } } get popStateInProgress() { return this._initialized && (this._popStateInProgress || this._blockHashChange > 0); } get initialBookmark() { return this._initialized ? this._initialBookmark : null; } get initialRotation() { return this._initialized ? this._initialRotation : null; } _pushOrReplaceState(destination, forceReplace = false) { const shouldReplace = forceReplace || !this._destination; const newState = { fingerprint: this._fingerprint, uid: shouldReplace ? this._uid : this._uid + 1, destination }; this._updateInternalState(destination, newState.uid); let newUrl; if (this._updateUrl && destination?.hash) { const baseUrl = document.location.href.split('#')[0]; if (!baseUrl.startsWith('file://')) { newUrl = `${baseUrl}#${destination.hash}`; } } if (shouldReplace) { window.history.replaceState(newState, '', newUrl); } else { window.history.pushState(newState, '', newUrl); } } _tryPushCurrentPosition(temporary = false) { if (!this._position) { return; } let position = this._position; if (temporary) { position = Object.assign(Object.create(null), this._position); position.temporary = true; } if (!this._destination) { this._pushOrReplaceState(position); return; } if (this._destination.temporary) { this._pushOrReplaceState(position, true); return; } if (this._destination.hash === position.hash) { return; } if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) { return; } let forceReplace = false; if (this._destination.page >= position.first && this._destination.page <= position.page) { if (this._destination.dest !== undefined || !this._destination.first) { return; } forceReplace = true; } this._pushOrReplaceState(position, forceReplace); } _isValidPage(val) { return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount; } _isValidState(state, checkReload = false) { if (!state) { return false; } if (state.fingerprint !== this._fingerprint) { if (checkReload) { if (typeof state.fingerprint !== 'string' || state.fingerprint.length !== this._fingerprint.length) { return false; } const [perfEntry] = performance.getEntriesByType('navigation'); if (perfEntry?.type !== 'reload') { return false; } } else { return false; } } if (!Number.isInteger(state.uid) || state.uid < 0) { return false; } if (state.destination === null || typeof state.destination !== 'object') { return false; } return true; } _updateInternalState(destination, uid, removeTemporary = false) { if (this._updateViewareaTimeout) { clearTimeout(this._updateViewareaTimeout); this._updateViewareaTimeout = null; } if (removeTemporary && destination?.temporary) { delete destination.temporary; } this._destination = destination; this._uid = uid; this._maxUid = Math.max(this._maxUid, uid); this._numPositionUpdates = 0; } _parseCurrentHash(checkNameddest = false) { const hash = unescape(getCurrentHash()).substring(1); const params = (0, _ui_utils.parseQueryString)(hash); const nameddest = params.get('nameddest') || ''; let page = params.get('page') | 0; if (!this._isValidPage(page) || (checkNameddest && nameddest.length > 0)) { page = null; } return { hash, page, rotation: this.linkService.rotation }; } _updateViewarea({ location }) { if (this._updateViewareaTimeout) { clearTimeout(this._updateViewareaTimeout); this._updateViewareaTimeout = null; } this._position = { hash: location.pdfOpenParams.substring(1), page: this.linkService.page, first: location.pageNumber, rotation: location.rotation }; if (this._popStateInProgress) { return; } if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) { this._numPositionUpdates++; } if (UPDATE_VIEWAREA_TIMEOUT > 0) { this._updateViewareaTimeout = setTimeout(() => { if (!this._popStateInProgress) { this._tryPushCurrentPosition(true); } this._updateViewareaTimeout = null; }, UPDATE_VIEWAREA_TIMEOUT); } } _popState({ state }) { const newHash = getCurrentHash(), hashChanged = this._currentHash !== newHash; this._currentHash = newHash; if (!state) { this._uid++; const { hash, page, rotation } = this._parseCurrentHash(); this._pushOrReplaceState( { hash, page, rotation }, true ); return; } if (!this._isValidState(state)) { return; } this._popStateInProgress = true; if (hashChanged) { this._blockHashChange++; (0, _event_utils.waitOnEventOrTimeout)({ target: window, name: 'hashchange', delay: HASH_CHANGE_TIMEOUT }).then(() => { this._blockHashChange--; }); } const destination = state.destination; this._updateInternalState(destination, state.uid, true); if ((0, _ui_utils.isValidRotation)(destination.rotation)) { this.linkService.rotation = destination.rotation; } if (destination.dest) { this.linkService.goToDestination(destination.dest); } else if (destination.hash) { this.linkService.setHash(destination.hash); } else if (destination.page) { this.linkService.page = destination.page; } Promise.resolve().then(() => { this._popStateInProgress = false; }); } _pageHide() { if (!this._destination || this._destination.temporary) { this._tryPushCurrentPosition(); } } _bindEvents() { if (this._boundEvents) { return; } this._boundEvents = { updateViewarea: this._updateViewarea.bind(this), popState: this._popState.bind(this), pageHide: this._pageHide.bind(this) }; this.eventBus._on('updateviewarea', this._boundEvents.updateViewarea); window.addEventListener('popstate', this._boundEvents.popState); window.addEventListener('pagehide', this._boundEvents.pageHide); } _unbindEvents() { if (!this._boundEvents) { return; } this.eventBus._off('updateviewarea', this._boundEvents.updateViewarea); window.removeEventListener('popstate', this._boundEvents.popState); window.removeEventListener('pagehide', this._boundEvents.pageHide); this._boundEvents = null; } } exports.PDFHistory = PDFHistory; function isDestHashesEqual(destHash, pushHash) { if (typeof destHash !== 'string' || typeof pushHash !== 'string') { return false; } if (destHash === pushHash) { return true; } const nameddest = (0, _ui_utils.parseQueryString)(destHash).get('nameddest'); if (nameddest === pushHash) { return true; } return false; } function isDestArraysEqual(firstDest, secondDest) { function isEntryEqual(first, second) { if (typeof first !== typeof second) { return false; } if (Array.isArray(first) || Array.isArray(second)) { return false; } if (first !== null && typeof first === 'object' && second !== null) { if (Object.keys(first).length !== Object.keys(second).length) { return false; } for (const key in first) { if (!isEntryEqual(first[key], second[key])) { return false; } } return true; } return first === second || (Number.isNaN(first) && Number.isNaN(second)); } if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) { return false; } if (firstDest.length !== secondDest.length) { return false; } for (let i = 0, ii = firstDest.length; i < ii; i++) { if (!isEntryEqual(firstDest[i], secondDest[i])) { return false; } } return true; } /***/ }, /* 20 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFLayerViewer = void 0; var _base_tree_viewer = __webpack_require__(12); class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer { constructor(options) { super(options); this.l10n = options.l10n; this.eventBus._on('optionalcontentconfigchanged', (evt) => { this.#updateLayers(evt.promise); }); this.eventBus._on('resetlayers', () => { this.#updateLayers(); }); this.eventBus._on('togglelayerstree', this._toggleAllTreeItems.bind(this)); } reset() { super.reset(); this._optionalContentConfig = null; this._optionalContentHash = null; } _dispatchEvent(layersCount) { this.eventBus.dispatch('layersloaded', { source: this, layersCount }); } _bindLink(element, { groupId, input }) { const setVisibility = () => { this._optionalContentConfig.setVisibility(groupId, input.checked); this._optionalContentHash = this._optionalContentConfig.getHash(); this.eventBus.dispatch('optionalcontentconfig', { source: this, promise: Promise.resolve(this._optionalContentConfig) }); }; element.onclick = (evt) => { if (evt.target === input) { setVisibility(); return true; } else if (evt.target !== element) { return true; } input.checked = !input.checked; setVisibility(); return false; }; } async _setNestedName(element, { name = null }) { if (typeof name === 'string') { element.textContent = this._normalizeTextContent(name); return; } element.textContent = await this.l10n.get('additional_layers'); element.style.fontStyle = 'italic'; } _addToggleButton(div, { name = null }) { super._addToggleButton(div, name === null); } _toggleAllTreeItems() { if (!this._optionalContentConfig) { return; } super._toggleAllTreeItems(); } render({ optionalContentConfig, pdfDocument }) { if (this._optionalContentConfig) { this.reset(); } this._optionalContentConfig = optionalContentConfig || null; this._pdfDocument = pdfDocument || null; const groups = optionalContentConfig?.getOrder(); if (!groups) { this._dispatchEvent(0); return; } this._optionalContentHash = optionalContentConfig.getHash(); const fragment = document.createDocumentFragment(), queue = [ { parent: fragment, groups } ]; let layersCount = 0, hasAnyNesting = false; while (queue.length > 0) { const levelData = queue.shift(); for (const groupId of levelData.groups) { const div = document.createElement('div'); div.className = 'treeItem'; const element = document.createElement('a'); div.append(element); if (typeof groupId === 'object') { hasAnyNesting = true; this._addToggleButton(div, groupId); this._setNestedName(element, groupId); const itemsDiv = document.createElement('div'); itemsDiv.className = 'treeItems'; div.append(itemsDiv); queue.push({ parent: itemsDiv, groups: groupId.order }); } else { const group = optionalContentConfig.getGroup(groupId); const input = document.createElement('input'); this._bindLink(element, { groupId, input }); input.type = 'checkbox'; input.checked = group.visible; const label = document.createElement('label'); label.textContent = this._normalizeTextContent(group.name); label.append(input); element.append(label); layersCount++; } levelData.parent.append(div); } } this._finishRendering(fragment, layersCount, hasAnyNesting); } async #updateLayers(promise = null) { if (!this._optionalContentConfig) { return; } const pdfDocument = this._pdfDocument; const optionalContentConfig = await (promise || pdfDocument.getOptionalContentConfig()); if (pdfDocument !== this._pdfDocument) { return; } if (promise) { if (optionalContentConfig.getHash() === this._optionalContentHash) { return; } } else { this.eventBus.dispatch('optionalcontentconfig', { source: this, promise: Promise.resolve(optionalContentConfig) }); } this.render({ optionalContentConfig, pdfDocument: this._pdfDocument }); } } exports.PDFLayerViewer = PDFLayerViewer; /***/ }, /* 21 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFOutlineViewer = void 0; var _base_tree_viewer = __webpack_require__(12); var _pdfjsLib = __webpack_require__(4); var _ui_utils = __webpack_require__(3); class PDFOutlineViewer extends _base_tree_viewer.BaseTreeViewer { constructor(options) { super(options); this.linkService = options.linkService; this.downloadManager = options.downloadManager; this.eventBus._on('toggleoutlinetree', this._toggleAllTreeItems.bind(this)); this.eventBus._on('currentoutlineitem', this._currentOutlineItem.bind(this)); this.eventBus._on('pagechanging', (evt) => { this._currentPageNumber = evt.pageNumber; }); this.eventBus._on('pagesloaded', (evt) => { this._isPagesLoaded = !!evt.pagesCount; if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) { this._currentOutlineItemCapability.resolve(this._isPagesLoaded); } }); this.eventBus._on('sidebarviewchanged', (evt) => { this._sidebarView = evt.view; }); } reset() { super.reset(); this._outline = null; this._pageNumberToDestHashCapability = null; this._currentPageNumber = 1; this._isPagesLoaded = null; if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) { this._currentOutlineItemCapability.resolve(false); } this._currentOutlineItemCapability = null; } _dispatchEvent(outlineCount) { this._currentOutlineItemCapability = new _pdfjsLib.PromiseCapability(); if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) { this._currentOutlineItemCapability.resolve(false); } else if (this._isPagesLoaded !== null) { this._currentOutlineItemCapability.resolve(this._isPagesLoaded); } this.eventBus.dispatch('outlineloaded', { source: this, outlineCount, currentOutlineItemPromise: this._currentOutlineItemCapability.promise }); } _bindLink(element, { url, newWindow, action, attachment, dest, setOCGState }) { const { linkService } = this; if (url) { linkService.addLinkAttributes(element, url, newWindow); return; } if (action) { element.href = linkService.getAnchorUrl(''); element.onclick = () => { linkService.executeNamedAction(action); return false; }; return; } if (attachment) { element.href = linkService.getAnchorUrl(''); element.onclick = () => { this.downloadManager.openOrDownloadData(element, attachment.content, attachment.filename); return false; }; return; } if (setOCGState) { element.href = linkService.getAnchorUrl(''); element.onclick = () => { linkService.executeSetOCGState(setOCGState); return false; }; return; } element.href = linkService.getDestinationHash(dest); element.onclick = (evt) => { this._updateCurrentTreeItem(evt.target.parentNode); if (dest) { linkService.goToDestination(dest); } return false; }; } _setStyles(element, { bold, italic }) { if (bold) { element.style.fontWeight = 'bold'; } if (italic) { element.style.fontStyle = 'italic'; } } _addToggleButton(div, { count, items }) { let hidden = false; if (count < 0) { let totalCount = items.length; if (totalCount > 0) { const queue = [...items]; while (queue.length > 0) { const { count: nestedCount, items: nestedItems } = queue.shift(); if (nestedCount > 0 && nestedItems.length > 0) { totalCount += nestedItems.length; queue.push(...nestedItems); } } } if (Math.abs(count) === totalCount) { hidden = true; } } super._addToggleButton(div, hidden); } _toggleAllTreeItems() { if (!this._outline) { return; } super._toggleAllTreeItems(); } render({ outline, pdfDocument }) { if (this._outline) { this.reset(); } this._outline = outline || null; this._pdfDocument = pdfDocument || null; if (!outline) { this._dispatchEvent(0); return; } const fragment = document.createDocumentFragment(); const queue = [ { parent: fragment, items: outline } ]; let outlineCount = 0, hasAnyNesting = false; while (queue.length > 0) { const levelData = queue.shift(); for (const item of levelData.items) { const div = document.createElement('div'); div.className = 'treeItem'; const element = document.createElement('a'); this._bindLink(element, item); this._setStyles(element, item); element.textContent = this._normalizeTextContent(item.title); div.append(element); if (item.items.length > 0) { hasAnyNesting = true; this._addToggleButton(div, item); const itemsDiv = document.createElement('div'); itemsDiv.className = 'treeItems'; div.append(itemsDiv); queue.push({ parent: itemsDiv, items: item.items }); } levelData.parent.append(div); outlineCount++; } } this._finishRendering(fragment, outlineCount, hasAnyNesting); } async _currentOutlineItem() { if (!this._isPagesLoaded) { throw new Error('_currentOutlineItem: All pages have not been loaded.'); } if (!this._outline || !this._pdfDocument) { return; } const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument); if (!pageNumberToDestHash) { return; } this._updateCurrentTreeItem(null); if (this._sidebarView !== _ui_utils.SidebarView.OUTLINE) { return; } for (let i = this._currentPageNumber; i > 0; i--) { const destHash = pageNumberToDestHash.get(i); if (!destHash) { continue; } const linkElement = this.container.querySelector(`a[href="${destHash}"]`); if (!linkElement) { continue; } this._scrollToCurrentTreeItem(linkElement.parentNode); break; } } async _getPageNumberToDestHash(pdfDocument) { if (this._pageNumberToDestHashCapability) { return this._pageNumberToDestHashCapability.promise; } this._pageNumberToDestHashCapability = new _pdfjsLib.PromiseCapability(); const pageNumberToDestHash = new Map(), pageNumberNesting = new Map(); const queue = [ { nesting: 0, items: this._outline } ]; while (queue.length > 0) { const levelData = queue.shift(), currentNesting = levelData.nesting; for (const { dest, items } of levelData.items) { let explicitDest, pageNumber; if (typeof dest === 'string') { explicitDest = await pdfDocument.getDestination(dest); if (pdfDocument !== this._pdfDocument) { return null; } } else { explicitDest = dest; } if (Array.isArray(explicitDest)) { const [destRef] = explicitDest; if (typeof destRef === 'object' && destRef !== null) { pageNumber = this.linkService._cachedPageNumber(destRef); if (!pageNumber) { try { pageNumber = (await pdfDocument.getPageIndex(destRef)) + 1; if (pdfDocument !== this._pdfDocument) { return null; } this.linkService.cachePageRef(pageNumber, destRef); } catch (ex) {} } } else if (Number.isInteger(destRef)) { pageNumber = destRef + 1; } if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) { const destHash = this.linkService.getDestinationHash(dest); pageNumberToDestHash.set(pageNumber, destHash); pageNumberNesting.set(pageNumber, currentNesting); } } if (items.length > 0) { queue.push({ nesting: currentNesting + 1, items }); } } } this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null); return this._pageNumberToDestHashCapability.promise; } } exports.PDFOutlineViewer = PDFOutlineViewer; /***/ }, /* 22 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFPresentationMode = void 0; var _ui_utils = __webpack_require__(3); var _pdfjsLib = __webpack_require__(4); const DELAY_BEFORE_HIDING_CONTROLS = 3000; const ACTIVE_SELECTOR = 'pdfPresentationMode'; const CONTROLS_SELECTOR = 'pdfPresentationModeControls'; const MOUSE_SCROLL_COOLDOWN_TIME = 50; const PAGE_SWITCH_THRESHOLD = 0.1; const SWIPE_MIN_DISTANCE_THRESHOLD = 50; const SWIPE_ANGLE_THRESHOLD = Math.PI / 6; class PDFPresentationMode { #state = _ui_utils.PresentationModeState.UNKNOWN; #args = null; constructor({ container, pdfViewer, eventBus }) { this.container = container; this.pdfViewer = pdfViewer; this.eventBus = eventBus; this.contextMenuOpen = false; this.mouseScrollTimeStamp = 0; this.mouseScrollDelta = 0; this.touchSwipeState = null; } async request() { const { container, pdfViewer } = this; if (this.active || !pdfViewer.pagesCount || !container.requestFullscreen) { return false; } this.#addFullscreenChangeListeners(); this.#notifyStateChange(_ui_utils.PresentationModeState.CHANGING); const promise = container.requestFullscreen(); this.#args = { pageNumber: pdfViewer.currentPageNumber, scaleValue: pdfViewer.currentScaleValue, scrollMode: pdfViewer.scrollMode, spreadMode: null, annotationEditorMode: null }; if (pdfViewer.spreadMode !== _ui_utils.SpreadMode.NONE && !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)) { console.warn('Ignoring Spread modes when entering PresentationMode, ' + 'since the document may contain varying page sizes.'); this.#args.spreadMode = pdfViewer.spreadMode; } if (pdfViewer.annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) { this.#args.annotationEditorMode = pdfViewer.annotationEditorMode; } try { await promise; pdfViewer.focus(); return true; } catch (reason) { this.#removeFullscreenChangeListeners(); this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL); } return false; } get active() { return this.#state === _ui_utils.PresentationModeState.CHANGING || this.#state === _ui_utils.PresentationModeState.FULLSCREEN; } #mouseWheel(evt) { if (!this.active) { return; } evt.preventDefault(); const delta = (0, _ui_utils.normalizeWheelEventDelta)(evt); const currentTime = Date.now(); const storedTime = this.mouseScrollTimeStamp; if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) { return; } if ((this.mouseScrollDelta > 0 && delta < 0) || (this.mouseScrollDelta < 0 && delta > 0)) { this.#resetMouseScrollState(); } this.mouseScrollDelta += delta; if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) { const totalDelta = this.mouseScrollDelta; this.#resetMouseScrollState(); const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage(); if (success) { this.mouseScrollTimeStamp = currentTime; } } } #notifyStateChange(state) { this.#state = state; this.eventBus.dispatch('presentationmodechanged', { source: this, state }); } #enter() { this.#notifyStateChange(_ui_utils.PresentationModeState.FULLSCREEN); this.container.classList.add(ACTIVE_SELECTOR); setTimeout(() => { this.pdfViewer.scrollMode = _ui_utils.ScrollMode.PAGE; if (this.#args.spreadMode !== null) { this.pdfViewer.spreadMode = _ui_utils.SpreadMode.NONE; } this.pdfViewer.currentPageNumber = this.#args.pageNumber; this.pdfViewer.currentScaleValue = 'page-fit'; if (this.#args.annotationEditorMode !== null) { this.pdfViewer.annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE; } }, 0); this.#addWindowListeners(); this.#showControls(); this.contextMenuOpen = false; window.getSelection().removeAllRanges(); } #exit() { const pageNumber = this.pdfViewer.currentPageNumber; this.container.classList.remove(ACTIVE_SELECTOR); setTimeout(() => { this.#removeFullscreenChangeListeners(); this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL); this.pdfViewer.scrollMode = this.#args.scrollMode; if (this.#args.spreadMode !== null) { this.pdfViewer.spreadMode = this.#args.spreadMode; } this.pdfViewer.currentScaleValue = this.#args.scaleValue; this.pdfViewer.currentPageNumber = pageNumber; if (this.#args.annotationEditorMode !== null) { this.pdfViewer.annotationEditorMode = this.#args.annotationEditorMode; } this.#args = null; }, 0); this.#removeWindowListeners(); this.#hideControls(); this.#resetMouseScrollState(); this.contextMenuOpen = false; } #mouseDown(evt) { if (this.contextMenuOpen) { this.contextMenuOpen = false; evt.preventDefault(); return; } if (evt.button !== 0) { return; } if (evt.target.href && evt.target.parentNode?.hasAttribute('data-internal-link')) { return; } evt.preventDefault(); if (evt.shiftKey) { this.pdfViewer.previousPage(); } else { this.pdfViewer.nextPage(); } } #contextMenu() { this.contextMenuOpen = true; } #showControls() { if (this.controlsTimeout) { clearTimeout(this.controlsTimeout); } else { this.container.classList.add(CONTROLS_SELECTOR); } this.controlsTimeout = setTimeout(() => { this.container.classList.remove(CONTROLS_SELECTOR); delete this.controlsTimeout; }, DELAY_BEFORE_HIDING_CONTROLS); } #hideControls() { if (!this.controlsTimeout) { return; } clearTimeout(this.controlsTimeout); this.container.classList.remove(CONTROLS_SELECTOR); delete this.controlsTimeout; } #resetMouseScrollState() { this.mouseScrollTimeStamp = 0; this.mouseScrollDelta = 0; } #touchSwipe(evt) { if (!this.active) { return; } if (evt.touches.length > 1) { this.touchSwipeState = null; return; } switch (evt.type) { case 'touchstart': this.touchSwipeState = { startX: evt.touches[0].pageX, startY: evt.touches[0].pageY, endX: evt.touches[0].pageX, endY: evt.touches[0].pageY }; break; case 'touchmove': if (this.touchSwipeState === null) { return; } this.touchSwipeState.endX = evt.touches[0].pageX; this.touchSwipeState.endY = evt.touches[0].pageY; evt.preventDefault(); break; case 'touchend': if (this.touchSwipeState === null) { return; } let delta = 0; const dx = this.touchSwipeState.endX - this.touchSwipeState.startX; const dy = this.touchSwipeState.endY - this.touchSwipeState.startY; const absAngle = Math.abs(Math.atan2(dy, dx)); if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) { delta = dx; } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) { delta = dy; } if (delta > 0) { this.pdfViewer.previousPage(); } else if (delta < 0) { this.pdfViewer.nextPage(); } break; } } #addWindowListeners() { this.showControlsBind = this.#showControls.bind(this); this.mouseDownBind = this.#mouseDown.bind(this); this.mouseWheelBind = this.#mouseWheel.bind(this); this.resetMouseScrollStateBind = this.#resetMouseScrollState.bind(this); this.contextMenuBind = this.#contextMenu.bind(this); this.touchSwipeBind = this.#touchSwipe.bind(this); window.addEventListener('mousemove', this.showControlsBind); window.addEventListener('mousedown', this.mouseDownBind); window.addEventListener('wheel', this.mouseWheelBind, { passive: false }); window.addEventListener('keydown', this.resetMouseScrollStateBind); window.addEventListener('contextmenu', this.contextMenuBind); window.addEventListener('touchstart', this.touchSwipeBind); window.addEventListener('touchmove', this.touchSwipeBind); window.addEventListener('touchend', this.touchSwipeBind); } #removeWindowListeners() { window.removeEventListener('mousemove', this.showControlsBind); window.removeEventListener('mousedown', this.mouseDownBind); window.removeEventListener('wheel', this.mouseWheelBind, { passive: false }); window.removeEventListener('keydown', this.resetMouseScrollStateBind); window.removeEventListener('contextmenu', this.contextMenuBind); window.removeEventListener('touchstart', this.touchSwipeBind); window.removeEventListener('touchmove', this.touchSwipeBind); window.removeEventListener('touchend', this.touchSwipeBind); delete this.showControlsBind; delete this.mouseDownBind; delete this.mouseWheelBind; delete this.resetMouseScrollStateBind; delete this.contextMenuBind; delete this.touchSwipeBind; } #fullscreenChange() { if (document.fullscreenElement) { this.#enter(); } else { this.#exit(); } } #addFullscreenChangeListeners() { this.fullscreenChangeBind = this.#fullscreenChange.bind(this); window.addEventListener('fullscreenchange', this.fullscreenChangeBind); } #removeFullscreenChangeListeners() { window.removeEventListener('fullscreenchange', this.fullscreenChangeBind); delete this.fullscreenChangeBind; } } exports.PDFPresentationMode = PDFPresentationMode; /***/ }, /* 23 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFRenderingQueue = void 0; var _pdfjsLib = __webpack_require__(4); var _ui_utils = __webpack_require__(3); const CLEANUP_TIMEOUT = 30000; class PDFRenderingQueue { constructor() { this.pdfViewer = null; this.pdfThumbnailViewer = null; this.onIdle = null; this.highestPriorityPage = null; this.idleTimeout = null; this.printing = false; this.isThumbnailViewEnabled = false; } setViewer(pdfViewer) { this.pdfViewer = pdfViewer; } setThumbnailViewer(pdfThumbnailViewer) { this.pdfThumbnailViewer = pdfThumbnailViewer; } isHighestPriority(view) { return this.highestPriorityPage === view.renderingId; } hasViewer() { return !!this.pdfViewer; } renderHighestPriority(currentlyVisiblePages) { if (this.idleTimeout) { clearTimeout(this.idleTimeout); this.idleTimeout = null; } if (this.pdfViewer.forceRendering(currentlyVisiblePages)) { return; } if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) { return; } if (this.printing) { return; } if (this.onIdle) { this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT); } } getHighestPriority(visible, views, scrolledDown, preRenderExtra = false) { const visibleViews = visible.views, numVisible = visibleViews.length; if (numVisible === 0) { return null; } for (let i = 0; i < numVisible; i++) { const view = visibleViews[i].view; if (!this.isViewFinished(view)) { return view; } } const firstId = visible.first.id, lastId = visible.last.id; if (lastId - firstId + 1 > numVisible) { const visibleIds = visible.ids; for (let i = 1, ii = lastId - firstId; i < ii; i++) { const holeId = scrolledDown ? firstId + i : lastId - i; if (visibleIds.has(holeId)) { continue; } const holeView = views[holeId - 1]; if (!this.isViewFinished(holeView)) { return holeView; } } } let preRenderIndex = scrolledDown ? lastId : firstId - 2; let preRenderView = views[preRenderIndex]; if (preRenderView && !this.isViewFinished(preRenderView)) { return preRenderView; } if (preRenderExtra) { preRenderIndex += scrolledDown ? 1 : -1; preRenderView = views[preRenderIndex]; if (preRenderView && !this.isViewFinished(preRenderView)) { return preRenderView; } } return null; } isViewFinished(view) { return view.renderingState === _ui_utils.RenderingStates.FINISHED; } renderView(view) { switch (view.renderingState) { case _ui_utils.RenderingStates.FINISHED: return false; case _ui_utils.RenderingStates.PAUSED: this.highestPriorityPage = view.renderingId; view.resume(); break; case _ui_utils.RenderingStates.RUNNING: this.highestPriorityPage = view.renderingId; break; case _ui_utils.RenderingStates.INITIAL: this.highestPriorityPage = view.renderingId; view .draw() .finally(() => { this.renderHighestPriority(); }) .catch((reason) => { if (reason instanceof _pdfjsLib.RenderingCancelledException) { return; } console.error(`renderView: "${reason}"`); }); break; } return true; } } exports.PDFRenderingQueue = PDFRenderingQueue; /***/ }, /* 24 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFScriptingManager = void 0; var _ui_utils = __webpack_require__(3); var _pdfjsLib = __webpack_require__(4); class PDFScriptingManager { constructor({ eventBus, sandboxBundleSrc = null, scriptingFactory = null, docPropertiesLookup = null }) { this._pdfDocument = null; this._pdfViewer = null; this._closeCapability = null; this._destroyCapability = null; this._scripting = null; this._ready = false; this._eventBus = eventBus; this._sandboxBundleSrc = sandboxBundleSrc; this._scriptingFactory = scriptingFactory; this._docPropertiesLookup = docPropertiesLookup; } setViewer(pdfViewer) { this._pdfViewer = pdfViewer; } async setDocument(pdfDocument) { if (this._pdfDocument) { await this._destroyScripting(); } this._pdfDocument = pdfDocument; if (!pdfDocument) { return; } const [objects, calculationOrder, docActions] = await Promise.all([ pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions() ]); if (!objects && !docActions) { await this._destroyScripting(); return; } if (pdfDocument !== this._pdfDocument) { return; } try { this._scripting = this._createScripting(); } catch (error) { console.error(`PDFScriptingManager.setDocument: "${error?.message}".`); await this._destroyScripting(); return; } this._internalEvents.set('updatefromsandbox', (event) => { if (event?.source !== window) { return; } this._updateFromSandbox(event.detail); }); this._internalEvents.set('dispatcheventinsandbox', (event) => { this._scripting?.dispatchEventInSandbox(event.detail); }); this._internalEvents.set('pagechanging', ({ pageNumber, previous }) => { if (pageNumber === previous) { return; } this._dispatchPageClose(previous); this._dispatchPageOpen(pageNumber); }); this._internalEvents.set('pagerendered', ({ pageNumber }) => { if (!this._pageOpenPending.has(pageNumber)) { return; } if (pageNumber !== this._pdfViewer.currentPageNumber) { return; } this._dispatchPageOpen(pageNumber); }); this._internalEvents.set('pagesdestroy', async (event) => { await this._dispatchPageClose(this._pdfViewer.currentPageNumber); await this._scripting?.dispatchEventInSandbox({ id: 'doc', name: 'WillClose' }); this._closeCapability?.resolve(); }); for (const [name, listener] of this._internalEvents) { this._eventBus._on(name, listener); } try { const docProperties = await this._getDocProperties(); if (pdfDocument !== this._pdfDocument) { return; } await this._scripting.createSandbox({ objects, calculationOrder, appInfo: { platform: navigator.platform, language: navigator.language }, docInfo: { ...docProperties, actions: docActions } }); this._eventBus.dispatch('sandboxcreated', { source: this }); } catch (error) { console.error(`PDFScriptingManager.setDocument: "${error?.message}".`); await this._destroyScripting(); return; } await this._scripting?.dispatchEventInSandbox({ id: 'doc', name: 'Open' }); await this._dispatchPageOpen(this._pdfViewer.currentPageNumber, true); Promise.resolve().then(() => { if (pdfDocument === this._pdfDocument) { this._ready = true; } }); } async dispatchWillSave(detail) { return this._scripting?.dispatchEventInSandbox({ id: 'doc', name: 'WillSave' }); } async dispatchDidSave(detail) { return this._scripting?.dispatchEventInSandbox({ id: 'doc', name: 'DidSave' }); } async dispatchWillPrint(detail) { return this._scripting?.dispatchEventInSandbox({ id: 'doc', name: 'WillPrint' }); } async dispatchDidPrint(detail) { return this._scripting?.dispatchEventInSandbox({ id: 'doc', name: 'DidPrint' }); } get destroyPromise() { return this._destroyCapability?.promise || null; } get ready() { return this._ready; } get _internalEvents() { return (0, _pdfjsLib.shadow)(this, '_internalEvents', new Map()); } get _pageOpenPending() { return (0, _pdfjsLib.shadow)(this, '_pageOpenPending', new Set()); } get _visitedPages() { return (0, _pdfjsLib.shadow)(this, '_visitedPages', new Map()); } async _updateFromSandbox(detail) { const isInPresentationMode = this._pdfViewer.isInPresentationMode || this._pdfViewer.isChangingPresentationMode; const { id, siblings, command, value } = detail; if (!id) { switch (command) { case 'clear': console.clear(); break; case 'error': console.error(value); break; case 'layout': { if (isInPresentationMode) { return; } const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(value); this._pdfViewer.spreadMode = modes.spreadMode; break; } case 'page-num': this._pdfViewer.currentPageNumber = value + 1; break; case 'print': await this._pdfViewer.pagesPromise; this._eventBus.dispatch('print', { source: this }); break; case 'println': console.log(value); break; case 'zoom': if (isInPresentationMode) { return; } this._pdfViewer.currentScaleValue = value; break; case 'SaveAs': this._eventBus.dispatch('download', { source: this }); break; case 'FirstPage': this._pdfViewer.currentPageNumber = 1; break; case 'LastPage': this._pdfViewer.currentPageNumber = this._pdfViewer.pagesCount; break; case 'NextPage': this._pdfViewer.nextPage(); break; case 'PrevPage': this._pdfViewer.previousPage(); break; case 'ZoomViewIn': if (isInPresentationMode) { return; } this._pdfViewer.increaseScale(); break; case 'ZoomViewOut': if (isInPresentationMode) { return; } this._pdfViewer.decreaseScale(); break; } return; } if (isInPresentationMode) { if (detail.focus) { return; } } delete detail.id; delete detail.siblings; const ids = siblings ? [id, ...siblings] : [id]; for (const elementId of ids) { const element = document.querySelector(`[data-element-id="${elementId}"]`); if (element) { element.dispatchEvent( new CustomEvent('updatefromsandbox', { detail }) ); } else { this._pdfDocument?.annotationStorage.setValue(elementId, detail); } } } async _dispatchPageOpen(pageNumber, initialize = false) { const pdfDocument = this._pdfDocument, visitedPages = this._visitedPages; if (initialize) { this._closeCapability = new _pdfjsLib.PromiseCapability(); } if (!this._closeCapability) { return; } const pageView = this._pdfViewer.getPageView(pageNumber - 1); if (pageView?.renderingState !== _ui_utils.RenderingStates.FINISHED) { this._pageOpenPending.add(pageNumber); return; } this._pageOpenPending.delete(pageNumber); const actionsPromise = (async () => { const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null); if (pdfDocument !== this._pdfDocument) { return; } await this._scripting?.dispatchEventInSandbox({ id: 'page', name: 'PageOpen', pageNumber, actions }); })(); visitedPages.set(pageNumber, actionsPromise); } async _dispatchPageClose(pageNumber) { const pdfDocument = this._pdfDocument, visitedPages = this._visitedPages; if (!this._closeCapability) { return; } if (this._pageOpenPending.has(pageNumber)) { return; } const actionsPromise = visitedPages.get(pageNumber); if (!actionsPromise) { return; } visitedPages.set(pageNumber, null); await actionsPromise; if (pdfDocument !== this._pdfDocument) { return; } await this._scripting?.dispatchEventInSandbox({ id: 'page', name: 'PageClose', pageNumber }); } async _getDocProperties() { if (this._docPropertiesLookup) { return this._docPropertiesLookup(this._pdfDocument); } throw new Error('_getDocProperties: Unable to lookup properties.'); } _createScripting() { this._destroyCapability = new _pdfjsLib.PromiseCapability(); if (this._scripting) { throw new Error('_createScripting: Scripting already exists.'); } if (this._scriptingFactory) { return this._scriptingFactory.createScripting({ sandboxBundleSrc: this._sandboxBundleSrc }); } throw new Error('_createScripting: Cannot create scripting.'); } async _destroyScripting() { if (!this._scripting) { this._pdfDocument = null; this._destroyCapability?.resolve(); return; } if (this._closeCapability) { await Promise.race([ this._closeCapability.promise, new Promise((resolve) => { setTimeout(resolve, 1000); }) ]).catch((reason) => {}); this._closeCapability = null; } this._pdfDocument = null; try { await this._scripting.destroySandbox(); } catch (ex) {} for (const [name, listener] of this._internalEvents) { this._eventBus._off(name, listener); } this._internalEvents.clear(); this._pageOpenPending.clear(); this._visitedPages.clear(); this._scripting = null; this._ready = false; this._destroyCapability?.resolve(); } } exports.PDFScriptingManager = PDFScriptingManager; /***/ }, /* 25 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFSidebar = void 0; var _ui_utils = __webpack_require__(3); const SIDEBAR_WIDTH_VAR = '--sidebar-width'; const SIDEBAR_MIN_WIDTH = 200; const SIDEBAR_RESIZING_CLASS = 'sidebarResizing'; const UI_NOTIFICATION_CLASS = 'pdfSidebarNotification'; class PDFSidebar { #isRTL = false; #mouseMoveBound = this.#mouseMove.bind(this); #mouseUpBound = this.#mouseUp.bind(this); #outerContainerWidth = null; #width = null; constructor({ elements, eventBus, l10n }) { this.isOpen = false; this.active = _ui_utils.SidebarView.THUMBS; this.isInitialViewSet = false; this.isInitialEventDispatched = false; this.onToggled = null; this.onUpdateThumbnails = null; this.outerContainer = elements.outerContainer; this.sidebarContainer = elements.sidebarContainer; this.toggleButton = elements.toggleButton; this.resizer = elements.resizer; 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; l10n.getDirection().then((dir) => { this.#isRTL = dir === 'rtl'; }); this.#addEventListeners(); } reset() { this.isInitialViewSet = false; this.isInitialEventDispatched = false; this.#hideUINotification(true); this.switchView(_ui_utils.SidebarView.THUMBS); this.outlineButton.disabled = false; this.attachmentsButton.disabled = false; this.layersButton.disabled = false; this._currentOutlineItemButton.disabled = true; } get visibleView() { return this.isOpen ? this.active : _ui_utils.SidebarView.NONE; } setInitialView(view = _ui_utils.SidebarView.NONE) { if (this.isInitialViewSet) { return; } this.isInitialViewSet = true; if (view === _ui_utils.SidebarView.NONE || view === _ui_utils.SidebarView.UNKNOWN) { this.#dispatchEvent(); return; } this.switchView(view, true); if (!this.isInitialEventDispatched) { this.#dispatchEvent(); } } switchView(view, forceOpen = false) { const isViewChanged = view !== this.active; let forceRendering = false; switch (view) { case _ui_utils.SidebarView.NONE: if (this.isOpen) { this.close(); } return; case _ui_utils.SidebarView.THUMBS: if (this.isOpen && isViewChanged) { forceRendering = true; } break; case _ui_utils.SidebarView.OUTLINE: if (this.outlineButton.disabled) { return; } break; case _ui_utils.SidebarView.ATTACHMENTS: if (this.attachmentsButton.disabled) { return; } break; case _ui_utils.SidebarView.LAYERS: if (this.layersButton.disabled) { return; } break; default: console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`); return; } this.active = view; (0, _ui_utils.toggleCheckedBtn)(this.thumbnailButton, view === _ui_utils.SidebarView.THUMBS, this.thumbnailView); (0, _ui_utils.toggleCheckedBtn)(this.outlineButton, view === _ui_utils.SidebarView.OUTLINE, this.outlineView); (0, _ui_utils.toggleCheckedBtn)(this.attachmentsButton, view === _ui_utils.SidebarView.ATTACHMENTS, this.attachmentsView); (0, _ui_utils.toggleCheckedBtn)(this.layersButton, view === _ui_utils.SidebarView.LAYERS, this.layersView); this._outlineOptionsContainer.classList.toggle('hidden', view !== _ui_utils.SidebarView.OUTLINE); if (forceOpen && !this.isOpen) { this.open(); return; } if (forceRendering) { this.onUpdateThumbnails(); this.onToggled(); } if (isViewChanged) { this.#dispatchEvent(); } } open() { if (this.isOpen) { return; } this.isOpen = true; (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true); this.outerContainer.classList.add('sidebarMoving', 'sidebarOpen'); if (this.active === _ui_utils.SidebarView.THUMBS) { this.onUpdateThumbnails(); } this.onToggled(); this.#dispatchEvent(); this.#hideUINotification(); } close() { if (!this.isOpen) { return; } this.isOpen = false; (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false); this.outerContainer.classList.add('sidebarMoving'); this.outerContainer.classList.remove('sidebarOpen'); this.onToggled(); this.#dispatchEvent(); } toggle() { if (this.isOpen) { this.close(); } else { this.open(); } } #dispatchEvent() { if (this.isInitialViewSet) { this.isInitialEventDispatched ||= true; } this.eventBus.dispatch('sidebarviewchanged', { source: this, view: this.visibleView }); } #showUINotification() { this.toggleButton.setAttribute('data-l10n-id', 'toggle_sidebar_notification2'); this.l10n.translate(this.toggleButton); if (!this.isOpen) { this.toggleButton.classList.add(UI_NOTIFICATION_CLASS); } } #hideUINotification(reset = false) { if (this.isOpen || reset) { this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS); } if (reset) { this.toggleButton.setAttribute('data-l10n-id', 'toggle_sidebar'); this.l10n.translate(this.toggleButton); } } #addEventListeners() { this.sidebarContainer.addEventListener('transitionend', (evt) => { if (evt.target === this.sidebarContainer) { this.outerContainer.classList.remove('sidebarMoving'); } }); this.toggleButton.addEventListener('click', () => { this.toggle(); }); this.thumbnailButton.addEventListener('click', () => { this.switchView(_ui_utils.SidebarView.THUMBS); }); this.outlineButton.addEventListener('click', () => { this.switchView(_ui_utils.SidebarView.OUTLINE); }); this.outlineButton.addEventListener('dblclick', () => { this.eventBus.dispatch('toggleoutlinetree', { source: this }); }); this.attachmentsButton.addEventListener('click', () => { this.switchView(_ui_utils.SidebarView.ATTACHMENTS); }); this.layersButton.addEventListener('click', () => { this.switchView(_ui_utils.SidebarView.LAYERS); }); this.layersButton.addEventListener('dblclick', () => { this.eventBus.dispatch('resetlayers', { source: this }); }); this._currentOutlineItemButton.addEventListener('click', () => { this.eventBus.dispatch('currentoutlineitem', { source: this }); }); const onTreeLoaded = (count, button, view) => { button.disabled = !count; if (count) { this.#showUINotification(); } else if (this.active === view) { this.switchView(_ui_utils.SidebarView.THUMBS); } }; this.eventBus._on('outlineloaded', (evt) => { onTreeLoaded(evt.outlineCount, this.outlineButton, _ui_utils.SidebarView.OUTLINE); evt.currentOutlineItemPromise.then((enabled) => { if (!this.isInitialViewSet) { return; } this._currentOutlineItemButton.disabled = !enabled; }); }); this.eventBus._on('attachmentsloaded', (evt) => { onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, _ui_utils.SidebarView.ATTACHMENTS); }); this.eventBus._on('layersloaded', (evt) => { onTreeLoaded(evt.layersCount, this.layersButton, _ui_utils.SidebarView.LAYERS); }); this.eventBus._on('presentationmodechanged', (evt) => { if (evt.state === _ui_utils.PresentationModeState.NORMAL && this.visibleView === _ui_utils.SidebarView.THUMBS) { this.onUpdateThumbnails(); } }); this.resizer.addEventListener('mousedown', (evt) => { if (evt.button !== 0) { return; } this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS); window.addEventListener('mousemove', this.#mouseMoveBound); window.addEventListener('mouseup', this.#mouseUpBound); }); this.eventBus._on('resize', (evt) => { if (evt.source !== window) { return; } this.#outerContainerWidth = null; if (!this.#width) { return; } if (!this.isOpen) { 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 }); } }); }); } get outerContainerWidth() { return (this.#outerContainerWidth ||= this.outerContainer.clientWidth); } #updateWidth(width = 0) { const maxWidth = Math.floor(this.outerContainerWidth / 2); if (width > maxWidth) { width = maxWidth; } if (width < SIDEBAR_MIN_WIDTH) { width = SIDEBAR_MIN_WIDTH; } if (width === this.#width) { return false; } this.#width = width; _ui_utils.docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`); return true; } #mouseMove(evt) { let width = evt.clientX; if (this.#isRTL) { width = this.outerContainerWidth - width; } this.#updateWidth(width); } #mouseUp(evt) { this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS); this.eventBus.dispatch('resize', { source: this }); window.removeEventListener('mousemove', this.#mouseMoveBound); window.removeEventListener('mouseup', this.#mouseUpBound); } } exports.PDFSidebar = PDFSidebar; /***/ }, /* 26 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFThumbnailViewer = void 0; var _ui_utils = __webpack_require__(3); var _pdf_thumbnail_view = __webpack_require__(27); const THUMBNAIL_SCROLL_MARGIN = -19; const THUMBNAIL_SELECTED_CLASS = 'selected'; class PDFThumbnailViewer { constructor({ container, eventBus, linkService, renderingQueue, l10n, pageColors }) { this.container = container; this.eventBus = eventBus; this.linkService = linkService; this.renderingQueue = renderingQueue; this.l10n = l10n; this.pageColors = pageColors || null; if (this.pageColors && !(CSS.supports('color', this.pageColors.background) && CSS.supports('color', this.pageColors.foreground))) { if (this.pageColors.background || this.pageColors.foreground) { console.warn("PDFThumbnailViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used."); } this.pageColors = null; } this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this)); this._resetView(); } _scrollUpdated() { this.renderingQueue.renderHighestPriority(); } getThumbnail(index) { return this._thumbnails[index]; } _getVisibleThumbs() { return (0, _ui_utils.getVisibleElements)({ scrollEl: this.container, views: this._thumbnails }); } scrollThumbnailIntoView(pageNumber) { if (!this.pdfDocument) { return; } const thumbnailView = this._thumbnails[pageNumber - 1]; if (!thumbnailView) { console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.'); return; } if (pageNumber !== this._currentPageNumber) { const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1]; prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS); thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS); } const { first, last, views } = this._getVisibleThumbs(); if (views.length > 0) { let shouldScroll = false; if (pageNumber <= first.id || pageNumber >= last.id) { shouldScroll = true; } else { for (const { id, percent } of views) { if (id !== pageNumber) { continue; } shouldScroll = percent < 100; break; } } if (shouldScroll) { (0, _ui_utils.scrollIntoView)(thumbnailView.div, { top: THUMBNAIL_SCROLL_MARGIN }); } } this._currentPageNumber = pageNumber; } get pagesRotation() { return this._pagesRotation; } set pagesRotation(rotation) { if (!(0, _ui_utils.isValidRotation)(rotation)) { throw new Error('Invalid thumbnails rotation angle.'); } if (!this.pdfDocument) { return; } if (this._pagesRotation === rotation) { return; } this._pagesRotation = rotation; const updateArgs = { rotation }; for (const thumbnail of this._thumbnails) { thumbnail.update(updateArgs); } } cleanup() { for (const thumbnail of this._thumbnails) { if (thumbnail.renderingState !== _ui_utils.RenderingStates.FINISHED) { thumbnail.reset(); } } _pdf_thumbnail_view.TempImageFactory.destroyCanvas(); } _resetView() { this._thumbnails = []; this._currentPageNumber = 1; this._pageLabels = null; this._pagesRotation = 0; this.container.textContent = ''; } setDocument(pdfDocument) { if (this.pdfDocument) { this._cancelRendering(); this._resetView(); } this.pdfDocument = pdfDocument; if (!pdfDocument) { return; } const firstPagePromise = pdfDocument.getPage(1); const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig(); firstPagePromise .then((firstPdfPage) => { const pagesCount = pdfDocument.numPages; const viewport = firstPdfPage.getViewport({ scale: 1 }); for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { const thumbnail = new _pdf_thumbnail_view.PDFThumbnailView({ container: this.container, eventBus: this.eventBus, id: pageNum, defaultViewport: viewport.clone(), optionalContentConfigPromise, linkService: this.linkService, renderingQueue: this.renderingQueue, l10n: this.l10n, pageColors: this.pageColors }); this._thumbnails.push(thumbnail); } this._thumbnails[0]?.setPdfPage(firstPdfPage); const thumbnailView = this._thumbnails[this._currentPageNumber - 1]; thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS); }) .catch((reason) => { console.error('Unable to initialize thumbnail viewer', reason); }); } _cancelRendering() { for (const thumbnail of this._thumbnails) { thumbnail.cancelRendering(); } } setPageLabels(labels) { if (!this.pdfDocument) { return; } if (!labels) { this._pageLabels = null; } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) { this._pageLabels = null; console.error('PDFThumbnailViewer_setPageLabels: Invalid page labels.'); } else { this._pageLabels = labels; } for (let i = 0, ii = this._thumbnails.length; i < ii; i++) { this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null); } } async #ensurePdfPageLoaded(thumbView) { if (thumbView.pdfPage) { return thumbView.pdfPage; } try { const pdfPage = await this.pdfDocument.getPage(thumbView.id); if (!thumbView.pdfPage) { thumbView.setPdfPage(pdfPage); } return pdfPage; } catch (reason) { console.error('Unable to get page for thumb view', reason); return null; } } #getScrollAhead(visible) { if (visible.first?.id === 1) { return true; } else if (visible.last?.id === this._thumbnails.length) { return false; } return this.scroll.down; } forceRendering() { const visibleThumbs = this._getVisibleThumbs(); const scrollAhead = this.#getScrollAhead(visibleThumbs); const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, scrollAhead); if (thumbView) { this.#ensurePdfPageLoaded(thumbView).then(() => { this.renderingQueue.renderView(thumbView); }); return true; } return false; } } exports.PDFThumbnailViewer = PDFThumbnailViewer; /***/ }, /* 27 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.TempImageFactory = exports.PDFThumbnailView = void 0; var _ui_utils = __webpack_require__(3); var _pdfjsLib = __webpack_require__(4); const DRAW_UPSCALE_FACTOR = 2; const MAX_NUM_SCALING_STEPS = 3; const THUMBNAIL_WIDTH = 98; class TempImageFactory { static #tempCanvas = null; static getCanvas(width, height) { const tempCanvas = (this.#tempCanvas ||= document.createElement('canvas')); tempCanvas.width = width; tempCanvas.height = height; const ctx = tempCanvas.getContext('2d', { alpha: false }); ctx.save(); ctx.fillStyle = 'rgb(255, 255, 255)'; ctx.fillRect(0, 0, width, height); ctx.restore(); return [tempCanvas, tempCanvas.getContext('2d')]; } static destroyCanvas() { const tempCanvas = this.#tempCanvas; if (tempCanvas) { tempCanvas.width = 0; tempCanvas.height = 0; } this.#tempCanvas = null; } } exports.TempImageFactory = TempImageFactory; class PDFThumbnailView { constructor({ container, eventBus, id, defaultViewport, optionalContentConfigPromise, linkService, renderingQueue, l10n, pageColors }) { this.id = id; this.renderingId = 'thumbnail' + id; this.pageLabel = null; this.pdfPage = null; this.rotation = 0; this.viewport = defaultViewport; this.pdfPageRotate = defaultViewport.rotation; this._optionalContentConfigPromise = optionalContentConfigPromise || null; this.pageColors = pageColors || null; this.eventBus = eventBus; this.linkService = linkService; this.renderingQueue = renderingQueue; this.renderTask = null; this.renderingState = _ui_utils.RenderingStates.INITIAL; this.resume = null; 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; this.#updateDims(); const img = document.createElement('div'); img.className = 'thumbnailImage'; this._placeholderImg = img; div.append(img); anchor.append(div); container.append(anchor); } #updateDims() { const { width, height } = this.viewport; const ratio = width / height; this.canvasWidth = THUMBNAIL_WIDTH; this.canvasHeight = (this.canvasWidth / ratio) | 0; this.scale = this.canvasWidth / width; const { style } = this.div; style.setProperty('--thumbnail-width', `${this.canvasWidth}px`); style.setProperty('--thumbnail-height', `${this.canvasHeight}px`); } setPdfPage(pdfPage) { this.pdfPage = pdfPage; this.pdfPageRotate = pdfPage.rotate; const totalRotation = (this.rotation + this.pdfPageRotate) % 360; this.viewport = pdfPage.getViewport({ scale: 1, rotation: totalRotation }); this.reset(); } reset() { this.cancelRendering(); this.renderingState = _ui_utils.RenderingStates.INITIAL; this.div.removeAttribute('data-loaded'); this.image?.replaceWith(this._placeholderImg); this.#updateDims(); if (this.image) { this.image.removeAttribute('src'); delete this.image; } } update({ rotation = null }) { if (typeof rotation === 'number') { this.rotation = rotation; } const totalRotation = (this.rotation + this.pdfPageRotate) % 360; this.viewport = this.viewport.clone({ scale: 1, rotation: totalRotation }); this.reset(); } cancelRendering() { if (this.renderTask) { this.renderTask.cancel(); this.renderTask = null; } this.resume = null; } _getPageDrawContext(upscaleFactor = 1) { const canvas = document.createElement('canvas'); const ctx = canvas.getContext('2d', { alpha: false }); const outputScale = new _ui_utils.OutputScale(); canvas.width = (upscaleFactor * this.canvasWidth * outputScale.sx) | 0; canvas.height = (upscaleFactor * this.canvasHeight * outputScale.sy) | 0; const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null; return { ctx, canvas, transform }; } _convertCanvasToImage(canvas) { if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) { throw new Error('_convertCanvasToImage: Rendering has not finished.'); } const reducedCanvas = this._reduceImage(canvas); const image = document.createElement('img'); image.className = 'thumbnailImage'; this._thumbPageCanvas.then((msg) => { image.setAttribute('aria-label', msg); }); image.src = reducedCanvas.toDataURL(); this.image = image; this.div.setAttribute('data-loaded', true); this._placeholderImg.replaceWith(image); reducedCanvas.width = 0; reducedCanvas.height = 0; } async #finishRenderTask(renderTask, canvas, error = null) { if (renderTask === this.renderTask) { this.renderTask = null; } if (error instanceof _pdfjsLib.RenderingCancelledException) { return; } this.renderingState = _ui_utils.RenderingStates.FINISHED; this._convertCanvasToImage(canvas); if (error) { throw error; } } async draw() { if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) { console.error('Must be in new state before drawing'); return undefined; } const { pdfPage } = this; if (!pdfPage) { this.renderingState = _ui_utils.RenderingStates.FINISHED; throw new Error('pdfPage is not loaded'); } this.renderingState = _ui_utils.RenderingStates.RUNNING; const { ctx, canvas, transform } = this._getPageDrawContext(DRAW_UPSCALE_FACTOR); const drawViewport = this.viewport.clone({ scale: DRAW_UPSCALE_FACTOR * this.scale }); const renderContinueCallback = (cont) => { if (!this.renderingQueue.isHighestPriority(this)) { this.renderingState = _ui_utils.RenderingStates.PAUSED; this.resume = () => { this.renderingState = _ui_utils.RenderingStates.RUNNING; cont(); }; return; } cont(); }; const renderContext = { canvasContext: ctx, transform, viewport: drawViewport, optionalContentConfigPromise: this._optionalContentConfigPromise, pageColors: this.pageColors }; const renderTask = (this.renderTask = pdfPage.render(renderContext)); renderTask.onContinue = renderContinueCallback; const resultPromise = renderTask.promise.then( () => this.#finishRenderTask(renderTask, canvas), (error) => this.#finishRenderTask(renderTask, canvas, error) ); resultPromise.finally(() => { canvas.width = 0; canvas.height = 0; this.eventBus.dispatch('thumbnailrendered', { source: this, pageNumber: this.id, pdfPage: this.pdfPage }); }); return resultPromise; } setImage(pageView) { if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) { return; } const { thumbnailCanvas: canvas, pdfPage, scale } = pageView; if (!canvas) { return; } if (!this.pdfPage) { this.setPdfPage(pdfPage); } if (scale < this.scale) { return; } this.renderingState = _ui_utils.RenderingStates.FINISHED; this._convertCanvasToImage(canvas); } _reduceImage(img) { const { ctx, canvas } = this._getPageDrawContext(); if (img.width <= 2 * canvas.width) { ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height); return canvas; } let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS; let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS; const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight); while (reducedWidth > img.width || reducedHeight > img.height) { reducedWidth >>= 1; reducedHeight >>= 1; } reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight); while (reducedWidth > 2 * canvas.width) { reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1); reducedWidth >>= 1; reducedHeight >>= 1; } ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height); return canvas; } get _thumbPageTitle() { return this.l10n.get('thumb_page_title', { page: this.pageLabel ?? this.id }); } get _thumbPageCanvas() { return this.l10n.get('thumb_page_canvas', { page: this.pageLabel ?? this.id }); } setPageLabel(label) { this.pageLabel = typeof label === 'string' ? label : null; this._thumbPageTitle.then((msg) => { this.anchor.title = msg; }); if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) { return; } this._thumbPageCanvas.then((msg) => { this.image?.setAttribute('aria-label', msg); }); } } exports.PDFThumbnailView = PDFThumbnailView; /***/ }, /* 28 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PagesCountLimit = exports.PDFViewer = exports.PDFPageViewBuffer = void 0; var _pdfjsLib = __webpack_require__(4); var _ui_utils = __webpack_require__(3); var _l10n_utils = __webpack_require__(29); var _pdf_page_view = __webpack_require__(30); var _pdf_rendering_queue = __webpack_require__(23); var _pdf_link_service = __webpack_require__(7); const DEFAULT_CACHE_SIZE = 10; const PagesCountLimit = { FORCE_SCROLL_MODE_PAGE: 15000, FORCE_LAZY_PAGE_INIT: 7500, PAUSE_EAGER_PAGE_INIT: 250 }; exports.PagesCountLimit = PagesCountLimit; function isValidAnnotationEditorMode(mode) { return Object.values(_pdfjsLib.AnnotationEditorType).includes(mode) && mode !== _pdfjsLib.AnnotationEditorType.DISABLE; } class PDFPageViewBuffer { #buf = new Set(); #size = 0; constructor(size) { this.#size = size; } push(view) { const buf = this.#buf; if (buf.has(view)) { buf.delete(view); } buf.add(view); if (buf.size > this.#size) { this.#destroyFirstView(); } } resize(newSize, idsToKeep = null) { this.#size = newSize; const buf = this.#buf; if (idsToKeep) { const ii = buf.size; let i = 1; for (const view of buf) { if (idsToKeep.has(view.id)) { buf.delete(view); buf.add(view); } if (++i > ii) { break; } } } while (buf.size > this.#size) { this.#destroyFirstView(); } } has(view) { return this.#buf.has(view); } [Symbol.iterator]() { return this.#buf.keys(); } #destroyFirstView() { const firstView = this.#buf.keys().next().value; firstView?.destroy(); this.#buf.delete(firstView); } } exports.PDFPageViewBuffer = PDFPageViewBuffer; class PDFViewer { #buffer = null; #annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE; #annotationEditorUIManager = null; #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS; #containerTopLeft = null; #copyCallbackBound = null; #enablePermissions = false; #getAllTextInProgress = false; #hiddenCopyElement = null; #interruptCopyCondition = false; #previousContainerHeight = 0; #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this)); #scrollModePageState = null; #onVisibilityChange = null; #scaleTimeoutId = null; #textLayerMode = _ui_utils.TextLayerMode.ENABLE; constructor(options) { const viewerVersion = '3.7.107'; if (_pdfjsLib.version !== viewerVersion) { throw new Error(`The API version "${_pdfjsLib.version}" does not match the Viewer version "${viewerVersion}".`); } this.container = options.container; this.viewer = options.viewer || options.container.firstElementChild; if (this.container?.tagName !== 'DIV' || this.viewer?.tagName !== 'DIV') { throw new Error('Invalid `container` and/or `viewer` option.'); } if (this.container.offsetParent && getComputedStyle(this.container).position !== 'absolute') { throw new Error('The `container` must be absolutely positioned.'); } this.#resizeObserver.observe(this.container); this.eventBus = options.eventBus; this.linkService = options.linkService || new _pdf_link_service.SimpleLinkService(); this.downloadManager = options.downloadManager || null; this.findController = options.findController || null; if (this.findController) { this.findController.onIsPageVisible = (pageNumber) => this._getVisiblePages().ids.has(pageNumber); } this._scriptingManager = options.scriptingManager || null; this.#textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE; this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS; this.#annotationEditorMode = options.annotationEditorMode ?? _pdfjsLib.AnnotationEditorType.NONE; this.imageResourcesPath = options.imageResourcesPath || ''; this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; this.removePageBorders = options.removePageBorders || false; this.useOnlyCssZoom = options.useOnlyCssZoom || false; this.isOffscreenCanvasSupported = options.isOffscreenCanvasSupported ?? true; this.maxCanvasPixels = options.maxCanvasPixels; this.l10n = options.l10n || _l10n_utils.NullL10n; this.#enablePermissions = options.enablePermissions || false; this.pageColors = options.pageColors || null; if (this.pageColors && !(CSS.supports('color', this.pageColors.background) && CSS.supports('color', this.pageColors.foreground))) { if (this.pageColors.background || this.pageColors.foreground) { console.warn("PDFViewer: Ignoring `pageColors`-option, since the browser doesn't support the values used."); } this.pageColors = null; } this.defaultRenderingQueue = !options.renderingQueue; if (this.defaultRenderingQueue) { this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue(); this.renderingQueue.setViewer(this); } else { this.renderingQueue = options.renderingQueue; } this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this)); this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN; this._onBeforeDraw = this._onAfterDraw = null; this._resetView(); if (this.removePageBorders) { this.viewer.classList.add('removePageBorders'); } this.#updateContainerHeightCss(); this.eventBus._on('thumbnailrendered', ({ pageNumber, pdfPage }) => { const pageView = this._pages[pageNumber - 1]; if (!this.#buffer.has(pageView)) { pdfPage?.cleanup(); } }); } get pagesCount() { return this._pages.length; } getPageView(index) { return this._pages[index]; } getCachedPageViews() { return new Set(this.#buffer); } get pageViewsReady() { return this._pagesCapability.settled && this._pages.every((pageView) => pageView?.pdfPage); } get renderForms() { return this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS; } get enableScripting() { return !!this._scriptingManager; } get currentPageNumber() { return this._currentPageNumber; } set currentPageNumber(val) { if (!Number.isInteger(val)) { throw new Error('Invalid page number.'); } if (!this.pdfDocument) { return; } if (!this._setCurrentPageNumber(val, true)) { console.error(`currentPageNumber: "${val}" is not a valid page.`); } } _setCurrentPageNumber(val, resetCurrentPageView = false) { if (this._currentPageNumber === val) { if (resetCurrentPageView) { this.#resetCurrentPageView(); } return true; } if (!(0 < val && val <= this.pagesCount)) { return false; } const previous = this._currentPageNumber; this._currentPageNumber = val; this.eventBus.dispatch('pagechanging', { source: this, pageNumber: val, pageLabel: this._pageLabels?.[val - 1] ?? null, previous }); if (resetCurrentPageView) { this.#resetCurrentPageView(); } return true; } get currentPageLabel() { return this._pageLabels?.[this._currentPageNumber - 1] ?? null; } set currentPageLabel(val) { if (!this.pdfDocument) { return; } let page = val | 0; if (this._pageLabels) { const i = this._pageLabels.indexOf(val); if (i >= 0) { page = i + 1; } } if (!this._setCurrentPageNumber(page, true)) { console.error(`currentPageLabel: "${val}" is not a valid page.`); } } get currentScale() { return this._currentScale !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.DEFAULT_SCALE; } set currentScale(val) { if (isNaN(val)) { throw new Error('Invalid numeric scale.'); } if (!this.pdfDocument) { return; } this.#setScale(val, { noScroll: false }); } get currentScaleValue() { return this._currentScaleValue; } set currentScaleValue(val) { if (!this.pdfDocument) { return; } this.#setScale(val, { noScroll: false }); } get pagesRotation() { return this._pagesRotation; } set pagesRotation(rotation) { if (!(0, _ui_utils.isValidRotation)(rotation)) { throw new Error('Invalid pages rotation angle.'); } if (!this.pdfDocument) { return; } rotation %= 360; if (rotation < 0) { rotation += 360; } if (this._pagesRotation === rotation) { return; } this._pagesRotation = rotation; const pageNumber = this._currentPageNumber; this.refresh(true, { rotation }); if (this._currentScaleValue) { this.#setScale(this._currentScaleValue, { noScroll: true }); } this.eventBus.dispatch('rotationchanging', { source: this, pagesRotation: rotation, pageNumber }); if (this.defaultRenderingQueue) { this.update(); } } get firstPagePromise() { return this.pdfDocument ? this._firstPageCapability.promise : null; } get onePageRendered() { return this.pdfDocument ? this._onePageRenderedCapability.promise : null; } get pagesPromise() { return this.pdfDocument ? this._pagesCapability.promise : null; } #layerProperties() { const self = this; return { get annotationEditorUIManager() { return self.#annotationEditorUIManager; }, get annotationStorage() { return self.pdfDocument?.annotationStorage; }, get downloadManager() { return self.downloadManager; }, get enableScripting() { return !!self._scriptingManager; }, get fieldObjectsPromise() { return self.pdfDocument?.getFieldObjects(); }, get findController() { return self.findController; }, get hasJSActionsPromise() { return self.pdfDocument?.hasJSActions(); }, get linkService() { return self.linkService; } }; } #initializePermissions(permissions) { const params = { annotationEditorMode: this.#annotationEditorMode, annotationMode: this.#annotationMode, textLayerMode: this.#textLayerMode }; if (!permissions) { return params; } if (!permissions.includes(_pdfjsLib.PermissionFlag.COPY) && this.#textLayerMode === _ui_utils.TextLayerMode.ENABLE) { params.textLayerMode = _ui_utils.TextLayerMode.ENABLE_PERMISSIONS; } if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_CONTENTS)) { params.annotationEditorMode = _pdfjsLib.AnnotationEditorType.DISABLE; } if ( !permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(_pdfjsLib.PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS ) { params.annotationMode = _pdfjsLib.AnnotationMode.ENABLE; } return params; } #onePageRenderedOrForceFetch() { if (document.visibilityState === 'hidden' || !this.container.offsetParent || this._getVisiblePages().views.length === 0) { return Promise.resolve(); } const visibilityChangePromise = new Promise((resolve) => { this.#onVisibilityChange = () => { if (document.visibilityState !== 'hidden') { return; } resolve(); document.removeEventListener('visibilitychange', this.#onVisibilityChange); this.#onVisibilityChange = null; }; document.addEventListener('visibilitychange', this.#onVisibilityChange); }); return Promise.race([this._onePageRenderedCapability.promise, visibilityChangePromise]); } async getAllText() { const texts = []; const buffer = []; for (let pageNum = 1, pagesCount = this.pdfDocument.numPages; pageNum <= pagesCount; ++pageNum) { if (this.#interruptCopyCondition) { return null; } buffer.length = 0; const page = await this.pdfDocument.getPage(pageNum); const { items } = await page.getTextContent(); for (const item of items) { if (item.str) { buffer.push(item.str); } if (item.hasEOL) { buffer.push('\n'); } } texts.push((0, _ui_utils.removeNullCharacters)(buffer.join(''))); } return texts.join('\n'); } #copyCallback(textLayerMode, event) { const selection = document.getSelection(); const { focusNode, anchorNode } = selection; if (anchorNode && focusNode && selection.containsNode(this.#hiddenCopyElement)) { if (this.#getAllTextInProgress || textLayerMode === _ui_utils.TextLayerMode.ENABLE_PERMISSIONS) { event.preventDefault(); event.stopPropagation(); return; } this.#getAllTextInProgress = true; const savedCursor = this.container.style.cursor; this.container.style.cursor = 'wait'; const interruptCopy = (ev) => (this.#interruptCopyCondition = ev.key === 'Escape'); window.addEventListener('keydown', interruptCopy); this.getAllText() .then(async (text) => { if (text !== null) { await navigator.clipboard.writeText(text); } }) .catch((reason) => { console.warn(`Something goes wrong when extracting the text: ${reason.message}`); }) .finally(() => { this.#getAllTextInProgress = false; this.#interruptCopyCondition = false; window.removeEventListener('keydown', interruptCopy); this.container.style.cursor = savedCursor; }); event.preventDefault(); event.stopPropagation(); } } setDocument(pdfDocument) { if (this.pdfDocument) { this.eventBus.dispatch('pagesdestroy', { source: this }); this._cancelRendering(); this._resetView(); this.findController?.setDocument(null); this._scriptingManager?.setDocument(null); if (this.#annotationEditorUIManager) { this.#annotationEditorUIManager.destroy(); this.#annotationEditorUIManager = null; } } this.pdfDocument = pdfDocument; if (!pdfDocument) { return; } const pagesCount = pdfDocument.numPages; const firstPagePromise = pdfDocument.getPage(1); const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig(); const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve(); if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) { console.warn('Forcing PAGE-scrolling for performance reasons, given the length of the document.'); const mode = (this._scrollMode = _ui_utils.ScrollMode.PAGE); this.eventBus.dispatch('scrollmodechanged', { source: this, mode }); } this._pagesCapability.promise.then( () => { this.eventBus.dispatch('pagesloaded', { source: this, pagesCount }); }, () => {} ); this._onBeforeDraw = (evt) => { const pageView = this._pages[evt.pageNumber - 1]; if (!pageView) { return; } this.#buffer.push(pageView); }; this.eventBus._on('pagerender', this._onBeforeDraw); this._onAfterDraw = (evt) => { if (evt.cssTransform || this._onePageRenderedCapability.settled) { return; } this._onePageRenderedCapability.resolve({ timestamp: evt.timestamp }); this.eventBus._off('pagerendered', this._onAfterDraw); this._onAfterDraw = null; if (this.#onVisibilityChange) { document.removeEventListener('visibilitychange', this.#onVisibilityChange); this.#onVisibilityChange = null; } }; this.eventBus._on('pagerendered', this._onAfterDraw); Promise.all([firstPagePromise, permissionsPromise]) .then(([firstPdfPage, permissions]) => { if (pdfDocument !== this.pdfDocument) { return; } this._firstPageCapability.resolve(firstPdfPage); this._optionalContentConfigPromise = optionalContentConfigPromise; const { annotationEditorMode, annotationMode, textLayerMode } = this.#initializePermissions(permissions); if (textLayerMode !== _ui_utils.TextLayerMode.DISABLE) { const element = (this.#hiddenCopyElement = document.createElement('div')); element.id = 'hiddenCopyElement'; this.viewer.before(element); } if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) { const mode = annotationEditorMode; if (pdfDocument.isPureXfa) { console.warn('Warning: XFA-editing is not implemented.'); } else if (isValidAnnotationEditorMode(mode)) { this.#annotationEditorUIManager = new _pdfjsLib.AnnotationEditorUIManager( this.container, this.eventBus, pdfDocument?.annotationStorage ); if (mode !== _pdfjsLib.AnnotationEditorType.NONE) { this.#annotationEditorUIManager.updateMode(mode); } } else { console.error(`Invalid AnnotationEditor mode: ${mode}`); } } const layerProperties = this.#layerProperties.bind(this); const viewerElement = this._scrollMode === _ui_utils.ScrollMode.PAGE ? null : this.viewer; const scale = this.currentScale; const viewport = firstPdfPage.getViewport({ scale: scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS }); this.viewer.style.setProperty('--scale-factor', viewport.scale); for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { const pageView = new _pdf_page_view.PDFPageView({ container: viewerElement, eventBus: this.eventBus, id: pageNum, scale, defaultViewport: viewport.clone(), optionalContentConfigPromise, renderingQueue: this.renderingQueue, textLayerMode, annotationMode, imageResourcesPath: this.imageResourcesPath, useOnlyCssZoom: this.useOnlyCssZoom, isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, maxCanvasPixels: this.maxCanvasPixels, pageColors: this.pageColors, l10n: this.l10n, layerProperties }); this._pages.push(pageView); } const firstPageView = this._pages[0]; if (firstPageView) { firstPageView.setPdfPage(firstPdfPage); this.linkService.cachePageRef(1, firstPdfPage.ref); } if (this._scrollMode === _ui_utils.ScrollMode.PAGE) { this.#ensurePageViewVisible(); } else if (this._spreadMode !== _ui_utils.SpreadMode.NONE) { this._updateSpreadMode(); } this.#onePageRenderedOrForceFetch().then(async () => { this.findController?.setDocument(pdfDocument); this._scriptingManager?.setDocument(pdfDocument); if (this.#hiddenCopyElement) { this.#copyCallbackBound = this.#copyCallback.bind(this, textLayerMode); document.addEventListener('copy', this.#copyCallbackBound); } if (this.#annotationEditorUIManager) { this.eventBus.dispatch('annotationeditormodechanged', { source: this, mode: this.#annotationEditorMode }); } if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) { this._pagesCapability.resolve(); return; } let getPagesLeft = pagesCount - 1; if (getPagesLeft <= 0) { this._pagesCapability.resolve(); return; } for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) { const promise = pdfDocument.getPage(pageNum).then( (pdfPage) => { const pageView = this._pages[pageNum - 1]; if (!pageView.pdfPage) { pageView.setPdfPage(pdfPage); } this.linkService.cachePageRef(pageNum, pdfPage.ref); if (--getPagesLeft === 0) { this._pagesCapability.resolve(); } }, (reason) => { console.error(`Unable to get page ${pageNum} to initialize viewer`, reason); if (--getPagesLeft === 0) { this._pagesCapability.resolve(); } } ); if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) { await promise; } } }); this.eventBus.dispatch('pagesinit', { source: this }); pdfDocument.getMetadata().then(({ info }) => { if (pdfDocument !== this.pdfDocument) { return; } if (info.Language) { this.viewer.lang = info.Language; } }); if (this.defaultRenderingQueue) { this.update(); } }) .catch((reason) => { console.error('Unable to initialize viewer', reason); this._pagesCapability.reject(reason); }); } setPageLabels(labels) { if (!this.pdfDocument) { return; } if (!labels) { this._pageLabels = null; } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) { this._pageLabels = null; console.error(`setPageLabels: Invalid page labels.`); } else { this._pageLabels = labels; } for (let i = 0, ii = this._pages.length; i < ii; i++) { this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null); } } _resetView() { this._pages = []; this._currentPageNumber = 1; this._currentScale = _ui_utils.UNKNOWN_SCALE; this._currentScaleValue = null; this._pageLabels = null; this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE); this._location = null; this._pagesRotation = 0; this._optionalContentConfigPromise = null; this._firstPageCapability = new _pdfjsLib.PromiseCapability(); this._onePageRenderedCapability = new _pdfjsLib.PromiseCapability(); this._pagesCapability = new _pdfjsLib.PromiseCapability(); this._scrollMode = _ui_utils.ScrollMode.VERTICAL; this._previousScrollMode = _ui_utils.ScrollMode.UNKNOWN; this._spreadMode = _ui_utils.SpreadMode.NONE; this.#scrollModePageState = { previousPageNumber: 1, scrollDown: true, pages: [] }; if (this._onBeforeDraw) { this.eventBus._off('pagerender', this._onBeforeDraw); this._onBeforeDraw = null; } if (this._onAfterDraw) { this.eventBus._off('pagerendered', this._onAfterDraw); this._onAfterDraw = null; } if (this.#onVisibilityChange) { document.removeEventListener('visibilitychange', this.#onVisibilityChange); this.#onVisibilityChange = null; } this.viewer.textContent = ''; this._updateScrollMode(); this.viewer.removeAttribute('lang'); if (this.#hiddenCopyElement) { document.removeEventListener('copy', this.#copyCallbackBound); this.#copyCallbackBound = null; this.#hiddenCopyElement.remove(); this.#hiddenCopyElement = null; } } #ensurePageViewVisible() { if (this._scrollMode !== _ui_utils.ScrollMode.PAGE) { throw new Error('#ensurePageViewVisible: Invalid scrollMode value.'); } const pageNumber = this._currentPageNumber, state = this.#scrollModePageState, viewer = this.viewer; viewer.textContent = ''; state.pages.length = 0; if (this._spreadMode === _ui_utils.SpreadMode.NONE && !this.isInPresentationMode) { const pageView = this._pages[pageNumber - 1]; viewer.append(pageView.div); state.pages.push(pageView); } else { const pageIndexSet = new Set(), parity = this._spreadMode - 1; if (parity === -1) { pageIndexSet.add(pageNumber - 1); } else if (pageNumber % 2 !== parity) { pageIndexSet.add(pageNumber - 1); pageIndexSet.add(pageNumber); } else { pageIndexSet.add(pageNumber - 2); pageIndexSet.add(pageNumber - 1); } const spread = document.createElement('div'); spread.className = 'spread'; if (this.isInPresentationMode) { const dummyPage = document.createElement('div'); dummyPage.className = 'dummyPage'; spread.append(dummyPage); } for (const i of pageIndexSet) { const pageView = this._pages[i]; if (!pageView) { continue; } spread.append(pageView.div); state.pages.push(pageView); } viewer.append(spread); } state.scrollDown = pageNumber >= state.previousPageNumber; state.previousPageNumber = pageNumber; } _scrollUpdate() { if (this.pagesCount === 0) { return; } this.update(); } #scrollIntoView(pageView, pageSpot = null) { const { div, id } = pageView; if (this._currentPageNumber !== id) { this._setCurrentPageNumber(id); } if (this._scrollMode === _ui_utils.ScrollMode.PAGE) { this.#ensurePageViewVisible(); this.update(); } if (!pageSpot && !this.isInPresentationMode) { const left = div.offsetLeft + div.clientLeft, right = left + div.clientWidth; const { scrollLeft, clientWidth } = this.container; if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) { pageSpot = { left: 0, top: 0 }; } } (0, _ui_utils.scrollIntoView)(div, pageSpot); if (!this._currentScaleValue && this._location) { this._location = null; } } #isSameScale(newScale) { return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15; } #setScaleUpdatePages(newScale, newValue, { noScroll = false, preset = false, drawingDelay = -1 }) { this._currentScaleValue = newValue.toString(); if (this.#isSameScale(newScale)) { if (preset) { this.eventBus.dispatch('scalechanging', { source: this, scale: newScale, presetValue: newValue }); } return; } this.viewer.style.setProperty('--scale-factor', newScale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS); const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000; this.refresh(true, { scale: newScale, drawingDelay: postponeDrawing ? drawingDelay : -1 }); if (postponeDrawing) { this.#scaleTimeoutId = setTimeout(() => { this.#scaleTimeoutId = null; this.refresh(); }, drawingDelay); } this._currentScale = newScale; if (!noScroll) { let page = this._currentPageNumber, dest; if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) { page = this._location.pageNumber; dest = [ null, { name: 'XYZ' }, this._location.left, this._location.top, null ]; } this.scrollPageIntoView({ pageNumber: page, destArray: dest, allowNegativeOffset: true }); } this.eventBus.dispatch('scalechanging', { source: this, scale: newScale, presetValue: preset ? newValue : undefined }); if (this.defaultRenderingQueue) { this.update(); } } get #pageWidthScaleFactor() { if (this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL) { return 2; } return 1; } #setScale(value, options) { let scale = parseFloat(value); if (scale > 0) { options.preset = false; this.#setScaleUpdatePages(scale, value, options); } else { const currentPage = this._pages[this._currentPageNumber - 1]; if (!currentPage) { return; } let hPadding = _ui_utils.SCROLLBAR_PADDING, vPadding = _ui_utils.VERTICAL_PADDING; if (this.isInPresentationMode) { hPadding = vPadding = 4; if (this._spreadMode !== _ui_utils.SpreadMode.NONE) { hPadding *= 2; } } else if (this.removePageBorders) { hPadding = vPadding = 0; } else if (this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL) { [hPadding, vPadding] = [vPadding, hPadding]; } const pageWidthScale = (((this.container.clientWidth - hPadding) / currentPage.width) * currentPage.scale) / this.#pageWidthScaleFactor; const pageHeightScale = ((this.container.clientHeight - vPadding) / currentPage.height) * currentPage.scale; switch (value) { case 'page-actual': scale = 1; break; case 'page-width': scale = pageWidthScale; break; case 'page-height': scale = pageHeightScale; break; case 'page-fit': scale = Math.min(pageWidthScale, pageHeightScale); break; case 'auto': const horizontalScale = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale); scale = Math.min(_ui_utils.MAX_AUTO_SCALE, horizontalScale); break; default: console.error(`#setScale: "${value}" is an unknown zoom value.`); return; } options.preset = true; this.#setScaleUpdatePages(scale, value, options); } } #resetCurrentPageView() { const pageView = this._pages[this._currentPageNumber - 1]; if (this.isInPresentationMode) { this.#setScale(this._currentScaleValue, { noScroll: true }); } this.#scrollIntoView(pageView); } pageLabelToPageNumber(label) { if (!this._pageLabels) { return null; } const i = this._pageLabels.indexOf(label); if (i < 0) { return null; } return i + 1; } scrollPageIntoView({ pageNumber, destArray = null, allowNegativeOffset = false, ignoreDestinationZoom = false }) { if (!this.pdfDocument) { return; } const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1]; if (!pageView) { console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`); return; } if (this.isInPresentationMode || !destArray) { this._setCurrentPageNumber(pageNumber, true); return; } let x = 0, y = 0; let width = 0, height = 0, widthScale, heightScale; const changeOrientation = pageView.rotation % 180 !== 0; const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; let scale = 0; switch (destArray[1].name) { case 'XYZ': x = destArray[2]; y = destArray[3]; scale = destArray[4]; x = x !== null ? x : 0; y = y !== null ? y : pageHeight; break; case 'Fit': case 'FitB': scale = 'page-fit'; break; case 'FitH': case 'FitBH': y = destArray[2]; scale = 'page-width'; if (y === null && this._location) { x = this._location.left; y = this._location.top; } else if (typeof y !== 'number' || y < 0) { y = pageHeight; } break; case 'FitV': case 'FitBV': x = destArray[2]; width = pageWidth; height = pageHeight; scale = 'page-height'; break; case 'FitR': x = destArray[2]; y = destArray[3]; width = destArray[4] - x; height = destArray[5] - y; let hPadding = _ui_utils.SCROLLBAR_PADDING, vPadding = _ui_utils.VERTICAL_PADDING; if (this.removePageBorders) { hPadding = vPadding = 0; } widthScale = (this.container.clientWidth - hPadding) / width / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; heightScale = (this.container.clientHeight - vPadding) / height / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); break; default: console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`); return; } if (!ignoreDestinationZoom) { if (scale && scale !== this._currentScale) { this.currentScaleValue = scale; } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) { this.currentScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; } } if (scale === 'page-fit' && !destArray[4]) { this.#scrollIntoView(pageView); return; } const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)]; let left = Math.min(boundingRect[0][0], boundingRect[1][0]); let top = Math.min(boundingRect[0][1], boundingRect[1][1]); if (!allowNegativeOffset) { left = Math.max(left, 0); top = Math.max(top, 0); } this.#scrollIntoView(pageView, { left, top }); } _updateLocation(firstPage) { const currentScale = this._currentScale; const currentScaleValue = this._currentScaleValue; const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue; const pageNumber = firstPage.id; const currentPageView = this._pages[pageNumber - 1]; const container = this.container; const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y); const intLeft = Math.round(topLeft[0]); const intTop = Math.round(topLeft[1]); let pdfOpenParams = `#page=${pageNumber}`; if (!this.isInPresentationMode) { pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`; } this._location = { pageNumber, scale: normalizedScaleValue, top: intTop, left: intLeft, rotation: this._pagesRotation, pdfOpenParams }; } update() { const visible = this._getVisiblePages(); const visiblePages = visible.views, numVisiblePages = visiblePages.length; if (numVisiblePages === 0) { return; } const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1); this.#buffer.resize(newCacheSize, visible.ids); this.renderingQueue.renderHighestPriority(visible); const isSimpleLayout = this._spreadMode === _ui_utils.SpreadMode.NONE && (this._scrollMode === _ui_utils.ScrollMode.PAGE || this._scrollMode === _ui_utils.ScrollMode.VERTICAL); const currentId = this._currentPageNumber; let stillFullyVisible = false; for (const page of visiblePages) { if (page.percent < 100) { break; } if (page.id === currentId && isSimpleLayout) { stillFullyVisible = true; break; } } this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id); this._updateLocation(visible.first); this.eventBus.dispatch('updateviewarea', { source: this, location: this._location }); } containsElement(element) { return this.container.contains(element); } focus() { this.container.focus(); } get _isContainerRtl() { return getComputedStyle(this.container).direction === 'rtl'; } get isInPresentationMode() { return this.presentationModeState === _ui_utils.PresentationModeState.FULLSCREEN; } get isChangingPresentationMode() { return this.presentationModeState === _ui_utils.PresentationModeState.CHANGING; } get isHorizontalScrollbarEnabled() { return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth; } get isVerticalScrollbarEnabled() { return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight; } _getVisiblePages() { const views = this._scrollMode === _ui_utils.ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages, horizontal = this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL, rtl = horizontal && this._isContainerRtl; return (0, _ui_utils.getVisibleElements)({ scrollEl: this.container, views, sortByVisibility: true, horizontal, rtl }); } cleanup() { for (const pageView of this._pages) { if (pageView.renderingState !== _ui_utils.RenderingStates.FINISHED) { pageView.reset(); } } } _cancelRendering() { for (const pageView of this._pages) { pageView.cancelRendering(); } } async #ensurePdfPageLoaded(pageView) { if (pageView.pdfPage) { return pageView.pdfPage; } try { const pdfPage = await this.pdfDocument.getPage(pageView.id); if (!pageView.pdfPage) { pageView.setPdfPage(pdfPage); } if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) { this.linkService.cachePageRef(pageView.id, pdfPage.ref); } return pdfPage; } catch (reason) { console.error('Unable to get page for page view', reason); return null; } } #getScrollAhead(visible) { if (visible.first?.id === 1) { return true; } else if (visible.last?.id === this.pagesCount) { return false; } switch (this._scrollMode) { case _ui_utils.ScrollMode.PAGE: return this.#scrollModePageState.scrollDown; case _ui_utils.ScrollMode.HORIZONTAL: return this.scroll.right; } return this.scroll.down; } forceRendering(currentlyVisiblePages) { const visiblePages = currentlyVisiblePages || this._getVisiblePages(); const scrollAhead = this.#getScrollAhead(visiblePages); const preRenderExtra = this._spreadMode !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.ScrollMode.HORIZONTAL; const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra); if (pageView) { this.#ensurePdfPageLoaded(pageView).then(() => { this.renderingQueue.renderView(pageView); }); return true; } return false; } get hasEqualPageSizes() { const firstPageView = this._pages[0]; for (let i = 1, ii = this._pages.length; i < ii; ++i) { const pageView = this._pages[i]; if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) { return false; } } return true; } getPagesOverview() { let initialOrientation; return this._pages.map((pageView) => { const viewport = pageView.pdfPage.getViewport({ scale: 1 }); const orientation = (0, _ui_utils.isPortraitOrientation)(viewport); if (initialOrientation === undefined) { initialOrientation = orientation; } else if (this.enablePrintAutoRotate && orientation !== initialOrientation) { return { width: viewport.height, height: viewport.width, rotation: (viewport.rotation - 90) % 360 }; } return { width: viewport.width, height: viewport.height, rotation: viewport.rotation }; }); } get optionalContentConfigPromise() { if (!this.pdfDocument) { return Promise.resolve(null); } if (!this._optionalContentConfigPromise) { console.error('optionalContentConfigPromise: Not initialized yet.'); return this.pdfDocument.getOptionalContentConfig(); } return this._optionalContentConfigPromise; } set optionalContentConfigPromise(promise) { if (!(promise instanceof Promise)) { throw new Error(`Invalid optionalContentConfigPromise: ${promise}`); } if (!this.pdfDocument) { return; } if (!this._optionalContentConfigPromise) { return; } this._optionalContentConfigPromise = promise; this.refresh(false, { optionalContentConfigPromise: promise }); this.eventBus.dispatch('optionalcontentconfigchanged', { source: this, promise }); } get scrollMode() { return this._scrollMode; } set scrollMode(mode) { if (this._scrollMode === mode) { return; } if (!(0, _ui_utils.isValidScrollMode)(mode)) { throw new Error(`Invalid scroll mode: ${mode}`); } if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) { return; } this._previousScrollMode = this._scrollMode; this._scrollMode = mode; this.eventBus.dispatch('scrollmodechanged', { source: this, mode }); this._updateScrollMode(this._currentPageNumber); } _updateScrollMode(pageNumber = null) { const scrollMode = this._scrollMode, viewer = this.viewer; viewer.classList.toggle('scrollHorizontal', scrollMode === _ui_utils.ScrollMode.HORIZONTAL); viewer.classList.toggle('scrollWrapped', scrollMode === _ui_utils.ScrollMode.WRAPPED); if (!this.pdfDocument || !pageNumber) { return; } if (scrollMode === _ui_utils.ScrollMode.PAGE) { this.#ensurePageViewVisible(); } else if (this._previousScrollMode === _ui_utils.ScrollMode.PAGE) { this._updateSpreadMode(); } if (this._currentScaleValue && isNaN(this._currentScaleValue)) { this.#setScale(this._currentScaleValue, { noScroll: true }); } this._setCurrentPageNumber(pageNumber, true); this.update(); } get spreadMode() { return this._spreadMode; } set spreadMode(mode) { if (this._spreadMode === mode) { return; } if (!(0, _ui_utils.isValidSpreadMode)(mode)) { throw new Error(`Invalid spread mode: ${mode}`); } this._spreadMode = mode; this.eventBus.dispatch('spreadmodechanged', { source: this, mode }); this._updateSpreadMode(this._currentPageNumber); } _updateSpreadMode(pageNumber = null) { if (!this.pdfDocument) { return; } const viewer = this.viewer, pages = this._pages; if (this._scrollMode === _ui_utils.ScrollMode.PAGE) { this.#ensurePageViewVisible(); } else { viewer.textContent = ''; if (this._spreadMode === _ui_utils.SpreadMode.NONE) { for (const pageView of this._pages) { viewer.append(pageView.div); } } else { const parity = this._spreadMode - 1; let spread = null; for (let i = 0, ii = pages.length; i < ii; ++i) { if (spread === null) { spread = document.createElement('div'); spread.className = 'spread'; viewer.append(spread); } else if (i % 2 === parity) { spread = spread.cloneNode(false); viewer.append(spread); } spread.append(pages[i].div); } } } if (!pageNumber) { return; } if (this._currentScaleValue && isNaN(this._currentScaleValue)) { this.#setScale(this._currentScaleValue, { noScroll: true }); } this._setCurrentPageNumber(pageNumber, true); this.update(); } _getPageAdvance(currentPageNumber, previous = false) { switch (this._scrollMode) { case _ui_utils.ScrollMode.WRAPPED: { const { views } = this._getVisiblePages(), pageLayout = new Map(); for (const { id, y, percent, widthPercent } of views) { if (percent === 0 || widthPercent < 100) { continue; } let yArray = pageLayout.get(y); if (!yArray) { pageLayout.set(y, (yArray ||= [])); } yArray.push(id); } for (const yArray of pageLayout.values()) { const currentIndex = yArray.indexOf(currentPageNumber); if (currentIndex === -1) { continue; } const numPages = yArray.length; if (numPages === 1) { break; } if (previous) { for (let i = currentIndex - 1, ii = 0; i >= ii; i--) { const currentId = yArray[i], expectedId = yArray[i + 1] - 1; if (currentId < expectedId) { return currentPageNumber - expectedId; } } } else { for (let i = currentIndex + 1, ii = numPages; i < ii; i++) { const currentId = yArray[i], expectedId = yArray[i - 1] + 1; if (currentId > expectedId) { return expectedId - currentPageNumber; } } } if (previous) { const firstId = yArray[0]; if (firstId < currentPageNumber) { return currentPageNumber - firstId + 1; } } else { const lastId = yArray[numPages - 1]; if (lastId > currentPageNumber) { return lastId - currentPageNumber + 1; } } break; } break; } case _ui_utils.ScrollMode.HORIZONTAL: { break; } case _ui_utils.ScrollMode.PAGE: case _ui_utils.ScrollMode.VERTICAL: { if (this._spreadMode === _ui_utils.SpreadMode.NONE) { break; } const parity = this._spreadMode - 1; if (previous && currentPageNumber % 2 !== parity) { break; } else if (!previous && currentPageNumber % 2 === parity) { break; } const { views } = this._getVisiblePages(), expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1; for (const { id, percent, widthPercent } of views) { if (id !== expectedId) { continue; } if (percent > 0 && widthPercent === 100) { return 2; } break; } break; } } return 1; } nextPage() { const currentPageNumber = this._currentPageNumber, pagesCount = this.pagesCount; if (currentPageNumber >= pagesCount) { return false; } const advance = this._getPageAdvance(currentPageNumber, false) || 1; this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount); return true; } previousPage() { const currentPageNumber = this._currentPageNumber; if (currentPageNumber <= 1) { return false; } const advance = this._getPageAdvance(currentPageNumber, true) || 1; this.currentPageNumber = Math.max(currentPageNumber - advance, 1); return true; } increaseScale({ drawingDelay, scaleFactor, steps } = {}) { if (!this.pdfDocument) { return; } let newScale = this._currentScale; if (scaleFactor > 1) { newScale = Math.round(newScale * scaleFactor * 100) / 100; } else { steps ??= 1; do { newScale = Math.ceil((newScale * _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; } while (--steps > 0 && newScale < _ui_utils.MAX_SCALE); } this.#setScale(Math.min(_ui_utils.MAX_SCALE, newScale), { noScroll: false, drawingDelay }); } decreaseScale({ drawingDelay, scaleFactor, steps } = {}) { if (!this.pdfDocument) { return; } let newScale = this._currentScale; if (scaleFactor > 0 && scaleFactor < 1) { newScale = Math.round(newScale * scaleFactor * 100) / 100; } else { steps ??= 1; do { newScale = Math.floor((newScale / _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; } while (--steps > 0 && newScale > _ui_utils.MIN_SCALE); } this.#setScale(Math.max(_ui_utils.MIN_SCALE, newScale), { noScroll: false, drawingDelay }); } #updateContainerHeightCss(height = this.container.clientHeight) { if (height !== this.#previousContainerHeight) { this.#previousContainerHeight = height; _ui_utils.docStyle.setProperty('--viewer-container-height', `${height}px`); } } #resizeObserverCallback(entries) { for (const entry of entries) { if (entry.target === this.container) { this.#updateContainerHeightCss(Math.floor(entry.borderBoxSize[0].blockSize)); this.#containerTopLeft = null; break; } } } get containerTopLeft() { return (this.#containerTopLeft ||= [this.container.offsetTop, this.container.offsetLeft]); } get annotationEditorMode() { return this.#annotationEditorUIManager ? this.#annotationEditorMode : _pdfjsLib.AnnotationEditorType.DISABLE; } set annotationEditorMode(mode) { if (!this.#annotationEditorUIManager) { throw new Error(`The AnnotationEditor is not enabled.`); } if (this.#annotationEditorMode === mode) { return; } if (!isValidAnnotationEditorMode(mode)) { throw new Error(`Invalid AnnotationEditor mode: ${mode}`); } if (!this.pdfDocument) { return; } this.#annotationEditorMode = mode; this.eventBus.dispatch('annotationeditormodechanged', { source: this, mode }); this.#annotationEditorUIManager.updateMode(mode); } set annotationEditorParams({ type, value }) { if (!this.#annotationEditorUIManager) { throw new Error(`The AnnotationEditor is not enabled.`); } this.#annotationEditorUIManager.updateParams(type, value); } refresh(noUpdate = false, updateArgs = Object.create(null)) { if (!this.pdfDocument) { return; } for (const pageView of this._pages) { pageView.update(updateArgs); } if (this.#scaleTimeoutId !== null) { clearTimeout(this.#scaleTimeoutId); this.#scaleTimeoutId = null; } if (!noUpdate) { this.update(); } } } exports.PDFViewer = PDFViewer; /***/ }, /* 29 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.NullL10n = void 0; exports.fixupLangCode = fixupLangCode; exports.getL10nFallback = getL10nFallback; const DEFAULT_L10N_STRINGS = { of_pages: 'of {{pagesCount}}', page_of_pages: '({{pageNumber}} of {{pagesCount}})', document_properties_kb: '{{size_kb}} KB ({{size_b}} bytes)', document_properties_mb: '{{size_mb}} MB ({{size_b}} bytes)', document_properties_date_string: '{{date}}, {{time}}', document_properties_page_size_unit_inches: 'in', document_properties_page_size_unit_millimeters: 'mm', document_properties_page_size_orientation_portrait: 'portrait', document_properties_page_size_orientation_landscape: 'landscape', document_properties_page_size_name_a3: 'A3', document_properties_page_size_name_a4: 'A4', document_properties_page_size_name_letter: 'Letter', document_properties_page_size_name_legal: 'Legal', document_properties_page_size_dimension_string: '{{width}} × {{height}} {{unit}} ({{orientation}})', document_properties_page_size_dimension_name_string: '{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})', document_properties_linearized_yes: 'Yes', document_properties_linearized_no: 'No', additional_layers: 'Additional Layers', page_landmark: 'Page {{page}}', thumb_page_title: 'Page {{page}}', thumb_page_canvas: 'Thumbnail of Page {{page}}', find_reached_top: 'Reached top of document, continued from bottom', find_reached_bottom: 'Reached end of document, continued from top', 'find_match_count[one]': '{{current}} of {{total}} match', 'find_match_count[other]': '{{current}} of {{total}} matches', 'find_match_count_limit[one]': 'More than {{limit}} match', 'find_match_count_limit[other]': 'More than {{limit}} matches', find_not_found: 'Phrase not found', page_scale_width: 'Page Width', page_scale_fit: 'Page Fit', page_scale_auto: 'Automatic Zoom', page_scale_actual: 'Actual Size', page_scale_percent: '{{scale}}%', loading_error: 'An error occurred while loading the PDF.', invalid_file_error: 'Invalid or corrupted PDF file.', missing_file_error: 'Missing PDF file.', unexpected_response_error: 'Unexpected server response.', rendering_error: 'An error occurred while rendering the page.', printing_not_supported: 'Warning: Printing is not fully supported by this browser.', printing_not_ready: 'Warning: The PDF is not fully loaded for printing.', web_fonts_disabled: 'Web fonts are disabled: unable to use embedded PDF fonts.', free_text2_default_content: 'Start typing…', editor_free_text2_aria_label: 'Text Editor', editor_ink2_aria_label: 'Draw Editor', editor_ink_canvas_aria_label: 'User-created image' }; { DEFAULT_L10N_STRINGS.print_progress_percent = '{{progress}}%'; } function getL10nFallback(key, args) { switch (key) { case 'find_match_count': key = `find_match_count[${args.total === 1 ? 'one' : 'other'}]`; break; case 'find_match_count_limit': key = `find_match_count_limit[${args.limit === 1 ? 'one' : 'other'}]`; break; } return DEFAULT_L10N_STRINGS[key] || ''; } const PARTIAL_LANG_CODES = { en: 'en-US', es: 'es-ES', fy: 'fy-NL', ga: 'ga-IE', gu: 'gu-IN', hi: 'hi-IN', hy: 'hy-AM', nb: 'nb-NO', ne: 'ne-NP', nn: 'nn-NO', pa: 'pa-IN', pt: 'pt-PT', sv: 'sv-SE', zh: 'zh-CN' }; function fixupLangCode(langCode) { return PARTIAL_LANG_CODES[langCode?.toLowerCase()] || langCode; } function formatL10nValue(text, args) { if (!args) { return text; } return text.replaceAll(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => { return name in args ? args[name] : '{{' + name + '}}'; }); } const NullL10n = { async getLanguage() { return 'en-us'; }, async getDirection() { return 'ltr'; }, async get(key, args = null, fallback = getL10nFallback(key, args)) { return formatL10nValue(fallback, args); }, async translate(element) {} }; exports.NullL10n = NullL10n; /***/ }, /* 30 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFPageView = void 0; var _pdfjsLib = __webpack_require__(4); var _ui_utils = __webpack_require__(3); var _annotation_editor_layer_builder = __webpack_require__(31); var _annotation_layer_builder = __webpack_require__(32); var _app_options = __webpack_require__(5); var _l10n_utils = __webpack_require__(29); var _pdf_link_service = __webpack_require__(7); var _struct_tree_layer_builder = __webpack_require__(33); var _text_accessibility = __webpack_require__(34); var _text_highlighter = __webpack_require__(35); var _text_layer_builder = __webpack_require__(36); var _xfa_layer_builder = __webpack_require__(37); const MAX_CANVAS_PIXELS = _app_options.compatibilityParams.maxCanvasPixels || 16777216; const DEFAULT_LAYER_PROPERTIES = () => { return null; }; class PDFPageView { #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS; #layerProperties = null; #loadingId = null; #previousRotation = null; #renderError = null; #renderingState = _ui_utils.RenderingStates.INITIAL; #textLayerMode = _ui_utils.TextLayerMode.ENABLE; #useThumbnailCanvas = { initialOptionalContent: true, regularAnnotations: true }; #viewportMap = new WeakMap(); constructor(options) { const container = options.container; const defaultViewport = options.defaultViewport; this.id = options.id; this.renderingId = 'page' + this.id; this.#layerProperties = options.layerProperties || DEFAULT_LAYER_PROPERTIES; this.pdfPage = null; this.pageLabel = null; this.rotation = 0; this.scale = options.scale || _ui_utils.DEFAULT_SCALE; this.viewport = defaultViewport; this.pdfPageRotate = defaultViewport.rotation; this._optionalContentConfigPromise = options.optionalContentConfigPromise || null; this.hasRestrictedScaling = false; this.#textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE; this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS; this.imageResourcesPath = options.imageResourcesPath || ''; this.useOnlyCssZoom = options.useOnlyCssZoom || false; this.isOffscreenCanvasSupported = options.isOffscreenCanvasSupported ?? true; this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS; this.pageColors = options.pageColors || null; this.eventBus = options.eventBus; this.renderingQueue = options.renderingQueue; this.l10n = options.l10n || _l10n_utils.NullL10n; this.renderTask = null; this.resume = null; this._isStandalone = !this.renderingQueue?.hasViewer(); this._annotationCanvasMap = null; this.annotationLayer = null; this.annotationEditorLayer = null; this.textLayer = null; this.zoomLayer = null; this.xfaLayer = null; this.structTreeLayer = null; const div = document.createElement('div'); div.className = 'page'; div.setAttribute('data-page-number', this.id); div.setAttribute('role', 'region'); this.l10n .get('page_landmark', { page: this.id }) .then((msg) => { div.setAttribute('aria-label', msg); }); this.div = div; this.#setDimensions(); container?.append(div); if (this._isStandalone) { container?.style.setProperty('--scale-factor', this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS); const { optionalContentConfigPromise } = options; if (optionalContentConfigPromise) { optionalContentConfigPromise.then((optionalContentConfig) => { if (optionalContentConfigPromise !== this._optionalContentConfigPromise) { return; } this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility; }); } } } get renderingState() { return this.#renderingState; } set renderingState(state) { if (state === this.#renderingState) { return; } this.#renderingState = state; if (this.#loadingId) { clearTimeout(this.#loadingId); this.#loadingId = null; } switch (state) { case _ui_utils.RenderingStates.PAUSED: this.div.classList.remove('loading'); break; case _ui_utils.RenderingStates.RUNNING: this.div.classList.add('loadingIcon'); this.#loadingId = setTimeout(() => { this.div.classList.add('loading'); this.#loadingId = null; }, 0); break; case _ui_utils.RenderingStates.INITIAL: case _ui_utils.RenderingStates.FINISHED: this.div.classList.remove('loadingIcon', 'loading'); break; } } #setDimensions() { const { viewport } = this; if (this.pdfPage) { if (this.#previousRotation === viewport.rotation) { return; } this.#previousRotation = viewport.rotation; } (0, _pdfjsLib.setLayerDimensions)(this.div, viewport, true, false); } setPdfPage(pdfPage) { this.pdfPage = pdfPage; this.pdfPageRotate = pdfPage.rotate; const totalRotation = (this.rotation + this.pdfPageRotate) % 360; this.viewport = pdfPage.getViewport({ scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS, rotation: totalRotation }); this.#setDimensions(); this.reset(); } destroy() { this.reset(); this.pdfPage?.cleanup(); } get _textHighlighter() { return (0, _pdfjsLib.shadow)( this, '_textHighlighter', new _text_highlighter.TextHighlighter({ pageIndex: this.id - 1, eventBus: this.eventBus, findController: this.#layerProperties().findController }) ); } async #renderAnnotationLayer() { let error = null; try { await this.annotationLayer.render(this.viewport, 'display'); } catch (ex) { console.error(`#renderAnnotationLayer: "${ex}".`); error = ex; } finally { this.eventBus.dispatch('annotationlayerrendered', { source: this, pageNumber: this.id, error }); } } async #renderAnnotationEditorLayer() { let error = null; try { await this.annotationEditorLayer.render(this.viewport, 'display'); } catch (ex) { console.error(`#renderAnnotationEditorLayer: "${ex}".`); error = ex; } finally { this.eventBus.dispatch('annotationeditorlayerrendered', { source: this, pageNumber: this.id, error }); } } async #renderXfaLayer() { let error = null; try { const result = await this.xfaLayer.render(this.viewport, 'display'); if (result?.textDivs && this._textHighlighter) { this.#buildXfaTextContentItems(result.textDivs); } } catch (ex) { console.error(`#renderXfaLayer: "${ex}".`); error = ex; } finally { this.eventBus.dispatch('xfalayerrendered', { source: this, pageNumber: this.id, error }); } } async #renderTextLayer() { const { pdfPage, textLayer, viewport } = this; if (!textLayer) { return; } let error = null; try { if (!textLayer.renderingDone) { const readableStream = pdfPage.streamTextContent({ includeMarkedContent: true, disableNormalization: true }); textLayer.setTextContentSource(readableStream); } await textLayer.render(viewport); } catch (ex) { if (ex instanceof _pdfjsLib.AbortException) { return; } console.error(`#renderTextLayer: "${ex}".`); error = ex; } this.eventBus.dispatch('textlayerrendered', { source: this, pageNumber: this.id, numTextDivs: textLayer.numTextDivs, error }); this.#renderStructTreeLayer(); } async #renderStructTreeLayer() { if (!this.textLayer) { return; } this.structTreeLayer ||= new _struct_tree_layer_builder.StructTreeLayerBuilder(); const tree = await (!this.structTreeLayer.renderingDone ? this.pdfPage.getStructTree() : null); const treeDom = this.structTreeLayer?.render(tree); if (treeDom) { this.canvas?.append(treeDom); } this.structTreeLayer?.show(); } async #buildXfaTextContentItems(textDivs) { const text = await this.pdfPage.getTextContent(); const items = []; for (const item of text.items) { items.push(item.str); } this._textHighlighter.setTextMapping(textDivs, items); this._textHighlighter.enable(); } _resetZoomLayer(removeFromDOM = false) { if (!this.zoomLayer) { return; } const zoomLayerCanvas = this.zoomLayer.firstChild; this.#viewportMap.delete(zoomLayerCanvas); zoomLayerCanvas.width = 0; zoomLayerCanvas.height = 0; if (removeFromDOM) { this.zoomLayer.remove(); } this.zoomLayer = null; } reset({ keepZoomLayer = false, keepAnnotationLayer = false, keepAnnotationEditorLayer = false, keepXfaLayer = false, keepTextLayer = false } = {}) { this.cancelRendering({ keepAnnotationLayer, keepAnnotationEditorLayer, keepXfaLayer, keepTextLayer }); this.renderingState = _ui_utils.RenderingStates.INITIAL; const div = this.div; const childNodes = div.childNodes, zoomLayerNode = (keepZoomLayer && this.zoomLayer) || null, annotationLayerNode = (keepAnnotationLayer && this.annotationLayer?.div) || null, annotationEditorLayerNode = (keepAnnotationEditorLayer && this.annotationEditorLayer?.div) || null, xfaLayerNode = (keepXfaLayer && this.xfaLayer?.div) || null, textLayerNode = (keepTextLayer && this.textLayer?.div) || null; for (let i = childNodes.length - 1; i >= 0; i--) { const node = childNodes[i]; switch (node) { case zoomLayerNode: case annotationLayerNode: case annotationEditorLayerNode: case xfaLayerNode: case textLayerNode: continue; } node.remove(); } div.removeAttribute('data-loaded'); if (annotationLayerNode) { this.annotationLayer.hide(); } if (annotationEditorLayerNode) { this.annotationEditorLayer.hide(); } if (xfaLayerNode) { this.xfaLayer.hide(); } if (textLayerNode) { this.textLayer.hide(); } this.structTreeLayer?.hide(); if (!zoomLayerNode) { if (this.canvas) { this.#viewportMap.delete(this.canvas); this.canvas.width = 0; this.canvas.height = 0; delete this.canvas; } this._resetZoomLayer(); } } update({ scale = 0, rotation = null, optionalContentConfigPromise = null, drawingDelay = -1 }) { this.scale = scale || this.scale; if (typeof rotation === 'number') { this.rotation = rotation; } if (optionalContentConfigPromise instanceof Promise) { this._optionalContentConfigPromise = optionalContentConfigPromise; optionalContentConfigPromise.then((optionalContentConfig) => { if (optionalContentConfigPromise !== this._optionalContentConfigPromise) { return; } this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility; }); } const totalRotation = (this.rotation + this.pdfPageRotate) % 360; this.viewport = this.viewport.clone({ scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS, rotation: totalRotation }); this.#setDimensions(); if (this._isStandalone) { this.div.parentNode?.style.setProperty('--scale-factor', this.viewport.scale); } let isScalingRestricted = false; if (this.canvas && this.maxCanvasPixels > 0) { const { width, height } = this.viewport; const { sx, sy } = this.outputScale; if (((Math.floor(width) * sx) | 0) * ((Math.floor(height) * sy) | 0) > this.maxCanvasPixels) { isScalingRestricted = true; } } const onlyCssZoom = this.useOnlyCssZoom || (this.hasRestrictedScaling && isScalingRestricted); const postponeDrawing = !onlyCssZoom && drawingDelay >= 0 && drawingDelay < 1000; if (this.canvas) { if (postponeDrawing || onlyCssZoom) { if (postponeDrawing && this.renderingState !== _ui_utils.RenderingStates.FINISHED) { this.cancelRendering({ keepZoomLayer: true, keepAnnotationLayer: true, keepAnnotationEditorLayer: true, keepXfaLayer: true, keepTextLayer: true, cancelExtraDelay: drawingDelay }); this.renderingState = _ui_utils.RenderingStates.FINISHED; } this.cssTransform({ target: this.canvas, redrawAnnotationLayer: true, redrawAnnotationEditorLayer: true, redrawXfaLayer: true, redrawTextLayer: !postponeDrawing, hideTextLayer: postponeDrawing }); this.eventBus.dispatch('pagerendered', { source: this, pageNumber: this.id, cssTransform: true, timestamp: performance.now(), error: this.#renderError }); return; } if (!this.zoomLayer && !this.canvas.hidden) { this.zoomLayer = this.canvas.parentNode; this.zoomLayer.style.position = 'absolute'; } } if (this.zoomLayer) { this.cssTransform({ target: this.zoomLayer.firstChild }); } this.reset({ keepZoomLayer: true, keepAnnotationLayer: true, keepAnnotationEditorLayer: true, keepXfaLayer: true, keepTextLayer: true }); } cancelRendering({ keepAnnotationLayer = false, keepAnnotationEditorLayer = false, keepXfaLayer = false, keepTextLayer = false, cancelExtraDelay = 0 } = {}) { if (this.renderTask) { this.renderTask.cancel(cancelExtraDelay); this.renderTask = null; } this.resume = null; if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) { this.textLayer.cancel(); this.textLayer = null; } if (this.structTreeLayer && !this.textLayer) { this.structTreeLayer = null; } if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) { this.annotationLayer.cancel(); this.annotationLayer = null; this._annotationCanvasMap = null; } if (this.annotationEditorLayer && (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)) { this.annotationEditorLayer.cancel(); this.annotationEditorLayer = null; } if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) { this.xfaLayer.cancel(); this.xfaLayer = null; this._textHighlighter?.disable(); } } cssTransform({ target, redrawAnnotationLayer = false, redrawAnnotationEditorLayer = false, redrawXfaLayer = false, redrawTextLayer = false, hideTextLayer = false }) { if (!target.hasAttribute('zooming')) { target.setAttribute('zooming', true); const { style } = target; style.width = style.height = ''; } const originalViewport = this.#viewportMap.get(target); if (this.viewport !== originalViewport) { const relativeRotation = this.viewport.rotation - originalViewport.rotation; const absRotation = Math.abs(relativeRotation); let scaleX = 1, scaleY = 1; if (absRotation === 90 || absRotation === 270) { const { width, height } = this.viewport; scaleX = height / width; scaleY = width / height; } target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`; } if (redrawAnnotationLayer && this.annotationLayer) { this.#renderAnnotationLayer(); } if (redrawAnnotationEditorLayer && this.annotationEditorLayer) { this.#renderAnnotationEditorLayer(); } if (redrawXfaLayer && this.xfaLayer) { this.#renderXfaLayer(); } if (this.textLayer) { if (hideTextLayer) { this.textLayer.hide(); this.structTreeLayer?.hide(); } else if (redrawTextLayer) { this.#renderTextLayer(); } } } get width() { return this.viewport.width; } get height() { return this.viewport.height; } getPagePoint(x, y) { return this.viewport.convertToPdfPoint(x, y); } async #finishRenderTask(renderTask, error = null) { if (renderTask === this.renderTask) { this.renderTask = null; } if (error instanceof _pdfjsLib.RenderingCancelledException) { this.#renderError = null; return; } this.#renderError = error; this.renderingState = _ui_utils.RenderingStates.FINISHED; this._resetZoomLayer(true); this.#useThumbnailCanvas.regularAnnotations = !renderTask.separateAnnots; this.eventBus.dispatch('pagerendered', { source: this, pageNumber: this.id, cssTransform: false, timestamp: performance.now(), error: this.#renderError }); if (error) { throw error; } } async draw() { if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) { console.error('Must be in new state before drawing'); this.reset(); } const { div, l10n, pageColors, pdfPage, viewport } = this; if (!pdfPage) { this.renderingState = _ui_utils.RenderingStates.FINISHED; throw new Error('pdfPage is not loaded'); } this.renderingState = _ui_utils.RenderingStates.RUNNING; const canvasWrapper = document.createElement('div'); canvasWrapper.classList.add('canvasWrapper'); div.append(canvasWrapper); if (!this.textLayer && this.#textLayerMode !== _ui_utils.TextLayerMode.DISABLE && !pdfPage.isPureXfa) { this._accessibilityManager ||= new _text_accessibility.TextAccessibilityManager(); this.textLayer = new _text_layer_builder.TextLayerBuilder({ highlighter: this._textHighlighter, accessibilityManager: this._accessibilityManager, isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, enablePermissions: this.#textLayerMode === _ui_utils.TextLayerMode.ENABLE_PERMISSIONS }); div.append(this.textLayer.div); } if (!this.annotationLayer && this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE) { const { annotationStorage, downloadManager, enableScripting, fieldObjectsPromise, hasJSActionsPromise, linkService } = this.#layerProperties(); this._annotationCanvasMap ||= new Map(); this.annotationLayer = new _annotation_layer_builder.AnnotationLayerBuilder({ pageDiv: div, pdfPage, annotationStorage, imageResourcesPath: this.imageResourcesPath, renderForms: this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS, linkService, downloadManager, l10n, enableScripting, hasJSActionsPromise, fieldObjectsPromise, annotationCanvasMap: this._annotationCanvasMap, accessibilityManager: this._accessibilityManager }); } const renderContinueCallback = (cont) => { showCanvas?.(false); if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) { this.renderingState = _ui_utils.RenderingStates.PAUSED; this.resume = () => { this.renderingState = _ui_utils.RenderingStates.RUNNING; cont(); }; return; } cont(); }; const { width, height } = viewport; const canvas = document.createElement('canvas'); canvas.setAttribute('role', 'presentation'); canvas.hidden = true; const hasHCM = !!(pageColors?.background && pageColors?.foreground); let showCanvas = (isLastShow) => { if (!hasHCM || isLastShow) { canvas.hidden = false; showCanvas = null; } }; canvasWrapper.append(canvas); this.canvas = canvas; const ctx = canvas.getContext('2d', { alpha: false }); const outputScale = (this.outputScale = new _ui_utils.OutputScale()); if (this.useOnlyCssZoom) { const actualSizeViewport = viewport.clone({ scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS }); outputScale.sx *= actualSizeViewport.width / width; outputScale.sy *= actualSizeViewport.height / height; } if (this.maxCanvasPixels > 0) { const pixelsInViewport = width * height; const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport); if (outputScale.sx > maxScale || outputScale.sy > maxScale) { outputScale.sx = maxScale; outputScale.sy = maxScale; this.hasRestrictedScaling = true; } else { this.hasRestrictedScaling = false; } } const sfx = (0, _ui_utils.approximateFraction)(outputScale.sx); const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy); canvas.width = (0, _ui_utils.roundToDivide)(width * outputScale.sx, sfx[0]); canvas.height = (0, _ui_utils.roundToDivide)(height * outputScale.sy, sfy[0]); const { style } = canvas; style.width = (0, _ui_utils.roundToDivide)(width, sfx[1]) + 'px'; style.height = (0, _ui_utils.roundToDivide)(height, sfy[1]) + 'px'; this.#viewportMap.set(canvas, viewport); const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null; const renderContext = { canvasContext: ctx, transform, viewport, annotationMode: this.#annotationMode, optionalContentConfigPromise: this._optionalContentConfigPromise, annotationCanvasMap: this._annotationCanvasMap, pageColors }; const renderTask = (this.renderTask = this.pdfPage.render(renderContext)); renderTask.onContinue = renderContinueCallback; const resultPromise = renderTask.promise.then( async () => { showCanvas?.(true); await this.#finishRenderTask(renderTask); this.#renderTextLayer(); if (this.annotationLayer) { await this.#renderAnnotationLayer(); } if (!this.annotationEditorLayer) { const { annotationEditorUIManager } = this.#layerProperties(); if (!annotationEditorUIManager) { return; } this.annotationEditorLayer = new _annotation_editor_layer_builder.AnnotationEditorLayerBuilder({ uiManager: annotationEditorUIManager, pageDiv: div, pdfPage, l10n, accessibilityManager: this._accessibilityManager }); } this.#renderAnnotationEditorLayer(); }, (error) => { if (!(error instanceof _pdfjsLib.RenderingCancelledException)) { showCanvas?.(true); } return this.#finishRenderTask(renderTask, error); } ); if (pdfPage.isPureXfa) { if (!this.xfaLayer) { const { annotationStorage, linkService } = this.#layerProperties(); this.xfaLayer = new _xfa_layer_builder.XfaLayerBuilder({ pageDiv: div, pdfPage, annotationStorage, linkService }); } else if (this.xfaLayer.div) { div.append(this.xfaLayer.div); } this.#renderXfaLayer(); } div.setAttribute('data-loaded', true); this.eventBus.dispatch('pagerender', { source: this, pageNumber: this.id }); return resultPromise; } setPageLabel(label) { this.pageLabel = typeof label === 'string' ? label : null; if (this.pageLabel !== null) { this.div.setAttribute('data-page-label', this.pageLabel); } else { this.div.removeAttribute('data-page-label'); } } get thumbnailCanvas() { const { initialOptionalContent, regularAnnotations } = this.#useThumbnailCanvas; return initialOptionalContent && regularAnnotations ? this.canvas : null; } } exports.PDFPageView = PDFPageView; /***/ }, /* 31 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.AnnotationEditorLayerBuilder = void 0; var _pdfjsLib = __webpack_require__(4); var _l10n_utils = __webpack_require__(29); class AnnotationEditorLayerBuilder { #uiManager; constructor(options) { this.pageDiv = options.pageDiv; this.pdfPage = options.pdfPage; this.accessibilityManager = options.accessibilityManager; this.l10n = options.l10n || _l10n_utils.NullL10n; this.annotationEditorLayer = null; this.div = null; this._cancelled = false; this.#uiManager = options.uiManager; } async render(viewport, intent = 'display') { if (intent !== 'display') { return; } if (this._cancelled) { return; } const clonedViewport = viewport.clone({ dontFlip: true }); if (this.div) { this.annotationEditorLayer.update({ viewport: clonedViewport }); this.show(); return; } const div = (this.div = document.createElement('div')); div.className = 'annotationEditorLayer'; div.tabIndex = 0; div.hidden = true; this.pageDiv.append(div); this.annotationEditorLayer = new _pdfjsLib.AnnotationEditorLayer({ uiManager: this.#uiManager, div, accessibilityManager: this.accessibilityManager, pageIndex: this.pdfPage.pageNumber - 1, l10n: this.l10n, viewport: clonedViewport }); const parameters = { viewport: clonedViewport, div, annotations: null, intent }; this.annotationEditorLayer.render(parameters); this.show(); } cancel() { this._cancelled = true; if (!this.div) { return; } this.pageDiv = null; this.annotationEditorLayer.destroy(); this.div.remove(); } hide() { if (!this.div) { return; } this.div.hidden = true; } show() { if (!this.div || this.annotationEditorLayer.isEmpty) { return; } this.div.hidden = false; } } exports.AnnotationEditorLayerBuilder = AnnotationEditorLayerBuilder; /***/ }, /* 32 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.AnnotationLayerBuilder = void 0; var _pdfjsLib = __webpack_require__(4); var _l10n_utils = __webpack_require__(29); var _ui_utils = __webpack_require__(3); class AnnotationLayerBuilder { #numAnnotations = 0; #onPresentationModeChanged = null; constructor({ pageDiv, pdfPage, linkService, downloadManager, annotationStorage = null, imageResourcesPath = '', renderForms = true, l10n = _l10n_utils.NullL10n, enableScripting = false, hasJSActionsPromise = null, fieldObjectsPromise = null, annotationCanvasMap = null, accessibilityManager = null }) { this.pageDiv = pageDiv; this.pdfPage = pdfPage; this.linkService = linkService; this.downloadManager = downloadManager; this.imageResourcesPath = imageResourcesPath; this.renderForms = renderForms; this.l10n = l10n; this.annotationStorage = annotationStorage; this.enableScripting = enableScripting; this._hasJSActionsPromise = hasJSActionsPromise || Promise.resolve(false); this._fieldObjectsPromise = fieldObjectsPromise || Promise.resolve(null); this._annotationCanvasMap = annotationCanvasMap; this._accessibilityManager = accessibilityManager; this.div = null; this._cancelled = false; this._eventBus = linkService.eventBus; } async render(viewport, intent = 'display') { if (this.div) { if (this._cancelled || this.#numAnnotations === 0) { return; } _pdfjsLib.AnnotationLayer.update({ viewport: viewport.clone({ dontFlip: true }), div: this.div, annotationCanvasMap: this._annotationCanvasMap }); return; } const [annotations, hasJSActions, fieldObjects] = await Promise.all([ this.pdfPage.getAnnotations({ intent }), this._hasJSActionsPromise, this._fieldObjectsPromise ]); if (this._cancelled) { return; } this.#numAnnotations = annotations.length; this.div = document.createElement('div'); this.div.className = 'annotationLayer'; this.pageDiv.append(this.div); if (this.#numAnnotations === 0) { this.hide(); return; } _pdfjsLib.AnnotationLayer.render({ viewport: viewport.clone({ dontFlip: true }), div: this.div, annotations, page: this.pdfPage, imageResourcesPath: this.imageResourcesPath, renderForms: this.renderForms, linkService: this.linkService, downloadManager: this.downloadManager, annotationStorage: this.annotationStorage, enableScripting: this.enableScripting, hasJSActions, fieldObjects, annotationCanvasMap: this._annotationCanvasMap, accessibilityManager: this._accessibilityManager }); this.l10n.translate(this.div); if (this.linkService.isInPresentationMode) { this.#updatePresentationModeState(_ui_utils.PresentationModeState.FULLSCREEN); } if (!this.#onPresentationModeChanged) { this.#onPresentationModeChanged = (evt) => { this.#updatePresentationModeState(evt.state); }; this._eventBus?._on('presentationmodechanged', this.#onPresentationModeChanged); } } cancel() { this._cancelled = true; if (this.#onPresentationModeChanged) { this._eventBus?._off('presentationmodechanged', this.#onPresentationModeChanged); this.#onPresentationModeChanged = null; } } hide() { if (!this.div) { return; } this.div.hidden = true; } #updatePresentationModeState(state) { if (!this.div) { return; } let disableFormElements = false; switch (state) { case _ui_utils.PresentationModeState.FULLSCREEN: disableFormElements = true; break; case _ui_utils.PresentationModeState.NORMAL: break; default: return; } for (const section of this.div.childNodes) { if (section.hasAttribute('data-internal-link')) { continue; } section.inert = disableFormElements; } } } exports.AnnotationLayerBuilder = AnnotationLayerBuilder; /***/ }, /* 33 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.StructTreeLayerBuilder = void 0; const PDF_ROLE_TO_HTML_ROLE = { Document: null, DocumentFragment: null, Part: 'group', Sect: 'group', Div: 'group', Aside: 'note', NonStruct: 'none', P: null, H: 'heading', Title: null, FENote: 'note', Sub: 'group', Lbl: null, Span: null, Em: null, Strong: null, Link: 'link', Annot: 'note', Form: 'form', Ruby: null, RB: null, RT: null, RP: null, Warichu: null, WT: null, WP: null, L: 'list', LI: 'listitem', LBody: null, Table: 'table', TR: 'row', TH: 'columnheader', TD: 'cell', THead: 'columnheader', TBody: null, TFoot: null, Caption: null, Figure: 'figure', Formula: null, Artifact: null }; const HEADING_PATTERN = /^H(\d+)$/; class StructTreeLayerBuilder { #treeDom = undefined; get renderingDone() { return this.#treeDom !== undefined; } render(structTree) { if (this.#treeDom !== undefined) { return this.#treeDom; } const treeDom = this.#walk(structTree); treeDom?.classList.add('structTree'); return (this.#treeDom = treeDom); } hide() { if (this.#treeDom && !this.#treeDom.hidden) { this.#treeDom.hidden = true; } } show() { if (this.#treeDom?.hidden) { this.#treeDom.hidden = false; } } #setAttributes(structElement, htmlElement) { if (structElement.alt !== undefined) { htmlElement.setAttribute('aria-label', structElement.alt); } if (structElement.id !== undefined) { htmlElement.setAttribute('aria-owns', structElement.id); } if (structElement.lang !== undefined) { htmlElement.setAttribute('lang', structElement.lang); } } #walk(node) { if (!node) { return null; } const element = document.createElement('span'); if ('role' in node) { const { role } = node; const match = role.match(HEADING_PATTERN); if (match) { element.setAttribute('role', 'heading'); element.setAttribute('aria-level', match[1]); } else if (PDF_ROLE_TO_HTML_ROLE[role]) { element.setAttribute('role', PDF_ROLE_TO_HTML_ROLE[role]); } } this.#setAttributes(node, element); if (node.children) { if (node.children.length === 1 && 'id' in node.children[0]) { this.#setAttributes(node.children[0], element); } else { for (const kid of node.children) { element.append(this.#walk(kid)); } } } return element; } } exports.StructTreeLayerBuilder = StructTreeLayerBuilder; /***/ }, /* 34 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.TextAccessibilityManager = void 0; var _ui_utils = __webpack_require__(3); class TextAccessibilityManager { #enabled = false; #textChildren = null; #textNodes = new Map(); #waitingElements = new Map(); setTextMapping(textDivs) { this.#textChildren = textDivs; } static #compareElementPositions(e1, e2) { const rect1 = e1.getBoundingClientRect(); const rect2 = e2.getBoundingClientRect(); if (rect1.width === 0 && rect1.height === 0) { return +1; } if (rect2.width === 0 && rect2.height === 0) { return -1; } const top1 = rect1.y; const bot1 = rect1.y + rect1.height; const mid1 = rect1.y + rect1.height / 2; const top2 = rect2.y; const bot2 = rect2.y + rect2.height; const mid2 = rect2.y + rect2.height / 2; if (mid1 <= top2 && mid2 >= bot1) { return -1; } if (mid2 <= top1 && mid1 >= bot2) { return +1; } const centerX1 = rect1.x + rect1.width / 2; const centerX2 = rect2.x + rect2.width / 2; return centerX1 - centerX2; } enable() { if (this.#enabled) { throw new Error('TextAccessibilityManager is already enabled.'); } if (!this.#textChildren) { throw new Error('Text divs and strings have not been set.'); } this.#enabled = true; this.#textChildren = this.#textChildren.slice(); this.#textChildren.sort(TextAccessibilityManager.#compareElementPositions); if (this.#textNodes.size > 0) { const textChildren = this.#textChildren; for (const [id, nodeIndex] of this.#textNodes) { const element = document.getElementById(id); if (!element) { this.#textNodes.delete(id); continue; } this.#addIdToAriaOwns(id, textChildren[nodeIndex]); } } for (const [element, isRemovable] of this.#waitingElements) { this.addPointerInTextLayer(element, isRemovable); } this.#waitingElements.clear(); } disable() { if (!this.#enabled) { return; } this.#waitingElements.clear(); this.#textChildren = null; this.#enabled = false; } removePointerInTextLayer(element) { if (!this.#enabled) { this.#waitingElements.delete(element); return; } const children = this.#textChildren; if (!children || children.length === 0) { return; } const { id } = element; const nodeIndex = this.#textNodes.get(id); if (nodeIndex === undefined) { return; } const node = children[nodeIndex]; this.#textNodes.delete(id); let owns = node.getAttribute('aria-owns'); if (owns?.includes(id)) { owns = owns .split(' ') .filter((x) => x !== id) .join(' '); if (owns) { node.setAttribute('aria-owns', owns); } else { node.removeAttribute('aria-owns'); node.setAttribute('role', 'presentation'); } } } #addIdToAriaOwns(id, node) { const owns = node.getAttribute('aria-owns'); if (!owns?.includes(id)) { node.setAttribute('aria-owns', owns ? `${owns} ${id}` : id); } node.removeAttribute('role'); } addPointerInTextLayer(element, isRemovable) { const { id } = element; if (!id) { return; } if (!this.#enabled) { this.#waitingElements.set(element, isRemovable); return; } if (isRemovable) { this.removePointerInTextLayer(element); } const children = this.#textChildren; if (!children || children.length === 0) { return; } const index = (0, _ui_utils.binarySearchFirstItem)( children, (node) => TextAccessibilityManager.#compareElementPositions(element, node) < 0 ); const nodeIndex = Math.max(0, index - 1); this.#addIdToAriaOwns(id, children[nodeIndex]); this.#textNodes.set(id, nodeIndex); } moveElementInDOM(container, element, contentElement, isRemovable) { this.addPointerInTextLayer(contentElement, isRemovable); if (!container.hasChildNodes()) { container.append(element); return; } const children = Array.from(container.childNodes).filter((node) => node !== element); if (children.length === 0) { return; } const elementToCompare = contentElement || element; const index = (0, _ui_utils.binarySearchFirstItem)( children, (node) => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0 ); if (index === 0) { children[0].before(element); } else { children[index - 1].after(element); } } } exports.TextAccessibilityManager = TextAccessibilityManager; /***/ }, /* 35 */ /***/ (__unused_webpack_module, exports) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.TextHighlighter = void 0; class TextHighlighter { constructor({ findController, eventBus, pageIndex }) { this.findController = findController; this.matches = []; this.eventBus = eventBus; this.pageIdx = pageIndex; this._onUpdateTextLayerMatches = null; this.textDivs = null; this.textContentItemsStr = null; this.enabled = false; } setTextMapping(divs, texts) { this.textDivs = divs; this.textContentItemsStr = texts; } enable() { if (!this.textDivs || !this.textContentItemsStr) { throw new Error('Text divs and strings have not been set.'); } if (this.enabled) { throw new Error('TextHighlighter is already enabled.'); } this.enabled = true; if (!this._onUpdateTextLayerMatches) { this._onUpdateTextLayerMatches = (evt) => { if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) { this._updateMatches(); } }; this.eventBus._on('updatetextlayermatches', this._onUpdateTextLayerMatches); } this._updateMatches(); } disable() { if (!this.enabled) { return; } this.enabled = false; if (this._onUpdateTextLayerMatches) { this.eventBus._off('updatetextlayermatches', this._onUpdateTextLayerMatches); this._onUpdateTextLayerMatches = null; } this._updateMatches(true); } _convertMatches(matches, matchesLength) { if (!matches) { return []; } const { textContentItemsStr } = this; let i = 0, iIndex = 0; const end = textContentItemsStr.length - 1; const result = []; for (let m = 0, mm = matches.length; m < mm; m++) { let matchIdx = matches[m]; while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) { iIndex += textContentItemsStr[i].length; i++; } if (i === textContentItemsStr.length) { console.error('Could not find a matching mapping'); } const match = { begin: { divIdx: i, offset: matchIdx - iIndex } }; matchIdx += matchesLength[m]; while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) { iIndex += textContentItemsStr[i].length; i++; } match.end = { divIdx: i, offset: matchIdx - iIndex }; result.push(match); } return result; } _renderMatches(matches) { if (matches.length === 0) { return; } const { findController, pageIdx } = this; const { textContentItemsStr, textDivs } = this; const isSelectedPage = pageIdx === findController.selected.pageIdx; const selectedMatchIdx = findController.selected.matchIdx; const highlightAll = findController.state.highlightAll; let prevEnd = null; const infinity = { divIdx: -1, offset: undefined }; function beginText(begin, className) { const divIdx = begin.divIdx; textDivs[divIdx].textContent = ''; return appendTextToDiv(divIdx, 0, begin.offset, className); } function appendTextToDiv(divIdx, fromOffset, toOffset, className) { let div = textDivs[divIdx]; if (div.nodeType === Node.TEXT_NODE) { const span = document.createElement('span'); div.before(span); span.append(div); textDivs[divIdx] = span; div = span; } const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset); const node = document.createTextNode(content); if (className) { const span = document.createElement('span'); span.className = `${className} appended`; span.append(node); div.append(span); return className.includes('selected') ? span.offsetLeft : 0; } div.append(node); return 0; } let i0 = selectedMatchIdx, i1 = i0 + 1; if (highlightAll) { i0 = 0; i1 = matches.length; } else if (!isSelectedPage) { return; } let lastDivIdx = -1; let lastOffset = -1; for (let i = i0; i < i1; i++) { const match = matches[i]; const begin = match.begin; if (begin.divIdx === lastDivIdx && begin.offset === lastOffset) { continue; } lastDivIdx = begin.divIdx; lastOffset = begin.offset; const end = match.end; const isSelected = isSelectedPage && i === selectedMatchIdx; const highlightSuffix = isSelected ? ' selected' : ''; let selectedLeft = 0; if (!prevEnd || begin.divIdx !== prevEnd.divIdx) { if (prevEnd !== null) { appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); } beginText(begin); } else { appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset); } if (begin.divIdx === end.divIdx) { selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, 'highlight' + highlightSuffix); } else { selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, 'highlight begin' + highlightSuffix); for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) { textDivs[n0].className = 'highlight middle' + highlightSuffix; } beginText(end, 'highlight end' + highlightSuffix); } prevEnd = end; if (isSelected) { findController.scrollMatchIntoView({ element: textDivs[begin.divIdx], selectedLeft, pageIndex: pageIdx, matchIndex: selectedMatchIdx }); } } if (prevEnd) { appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); } } _updateMatches(reset = false) { if (!this.enabled && !reset) { return; } const { findController, matches, pageIdx } = this; const { textContentItemsStr, textDivs } = this; let clearedUntilDivIdx = -1; for (const match of matches) { const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx); for (let n = begin, end = match.end.divIdx; n <= end; n++) { const div = textDivs[n]; div.textContent = textContentItemsStr[n]; div.className = ''; } clearedUntilDivIdx = match.end.divIdx + 1; } if (!findController?.highlightMatches || reset) { return; } const pageMatches = findController.pageMatches[pageIdx] || null; const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null; this.matches = this._convertMatches(pageMatches, pageMatchesLength); this._renderMatches(this.matches); } } exports.TextHighlighter = TextHighlighter; /***/ }, /* 36 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.TextLayerBuilder = void 0; var _pdfjsLib = __webpack_require__(4); var _ui_utils = __webpack_require__(3); class TextLayerBuilder { #enablePermissions = false; #rotation = 0; #scale = 0; #textContentSource = null; constructor({ highlighter = null, accessibilityManager = null, isOffscreenCanvasSupported = true, enablePermissions = false }) { this.textContentItemsStr = []; this.renderingDone = false; this.textDivs = []; this.textDivProperties = new WeakMap(); this.textLayerRenderTask = null; this.highlighter = highlighter; this.accessibilityManager = accessibilityManager; this.isOffscreenCanvasSupported = isOffscreenCanvasSupported; this.#enablePermissions = enablePermissions === true; this.div = document.createElement('div'); this.div.className = 'textLayer'; this.hide(); } #finishRendering() { this.renderingDone = true; const endOfContent = document.createElement('div'); endOfContent.className = 'endOfContent'; this.div.append(endOfContent); this.#bindMouse(); } get numTextDivs() { return this.textDivs.length; } async render(viewport) { if (!this.#textContentSource) { throw new Error('No "textContentSource" parameter specified.'); } const scale = viewport.scale * (globalThis.devicePixelRatio || 1); const { rotation } = viewport; if (this.renderingDone) { const mustRotate = rotation !== this.#rotation; const mustRescale = scale !== this.#scale; if (mustRotate || mustRescale) { this.hide(); (0, _pdfjsLib.updateTextLayer)({ container: this.div, viewport, textDivs: this.textDivs, textDivProperties: this.textDivProperties, isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, mustRescale, mustRotate }); this.#scale = scale; this.#rotation = rotation; } this.show(); return; } this.cancel(); this.highlighter?.setTextMapping(this.textDivs, this.textContentItemsStr); this.accessibilityManager?.setTextMapping(this.textDivs); this.textLayerRenderTask = (0, _pdfjsLib.renderTextLayer)({ textContentSource: this.#textContentSource, container: this.div, viewport, textDivs: this.textDivs, textDivProperties: this.textDivProperties, textContentItemsStr: this.textContentItemsStr, isOffscreenCanvasSupported: this.isOffscreenCanvasSupported }); await this.textLayerRenderTask.promise; this.#finishRendering(); this.#scale = scale; this.#rotation = rotation; this.show(); this.accessibilityManager?.enable(); } hide() { if (!this.div.hidden) { this.highlighter?.disable(); this.div.hidden = true; } } show() { if (this.div.hidden && this.renderingDone) { this.div.hidden = false; this.highlighter?.enable(); } } cancel() { if (this.textLayerRenderTask) { this.textLayerRenderTask.cancel(); this.textLayerRenderTask = null; } this.highlighter?.disable(); this.accessibilityManager?.disable(); this.textContentItemsStr.length = 0; this.textDivs.length = 0; this.textDivProperties = new WeakMap(); } setTextContentSource(source) { this.cancel(); this.#textContentSource = source; } #bindMouse() { const { div } = this; div.addEventListener('mousedown', (evt) => { const end = div.querySelector('.endOfContent'); if (!end) { return; } let adjustTop = evt.target !== div; adjustTop &&= getComputedStyle(end).getPropertyValue('-moz-user-select') !== 'none'; if (adjustTop) { const divBounds = div.getBoundingClientRect(); const r = Math.max(0, (evt.pageY - divBounds.top) / divBounds.height); end.style.top = (r * 100).toFixed(2) + '%'; } end.classList.add('active'); }); div.addEventListener('mouseup', () => { const end = div.querySelector('.endOfContent'); if (!end) { return; } end.style.top = ''; end.classList.remove('active'); }); div.addEventListener('copy', (event) => { if (!this.#enablePermissions) { const selection = document.getSelection(); event.clipboardData.setData('text/plain', (0, _ui_utils.removeNullCharacters)((0, _pdfjsLib.normalizeUnicode)(selection.toString()))); } event.preventDefault(); event.stopPropagation(); }); } } exports.TextLayerBuilder = TextLayerBuilder; /***/ }, /* 37 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.XfaLayerBuilder = void 0; var _pdfjsLib = __webpack_require__(4); class XfaLayerBuilder { constructor({ pageDiv, pdfPage, annotationStorage = null, linkService, xfaHtml = null }) { this.pageDiv = pageDiv; this.pdfPage = pdfPage; this.annotationStorage = annotationStorage; this.linkService = linkService; this.xfaHtml = xfaHtml; this.div = null; this._cancelled = false; } async render(viewport, intent = 'display') { if (intent === 'print') { const parameters = { viewport: viewport.clone({ dontFlip: true }), div: this.div, xfaHtml: this.xfaHtml, annotationStorage: this.annotationStorage, linkService: this.linkService, intent }; const div = document.createElement('div'); this.pageDiv.append(div); parameters.div = div; return _pdfjsLib.XfaLayer.render(parameters); } const xfaHtml = await this.pdfPage.getXfa(); if (this._cancelled || !xfaHtml) { return { textDivs: [] }; } const parameters = { viewport: viewport.clone({ dontFlip: true }), div: this.div, xfaHtml, annotationStorage: this.annotationStorage, linkService: this.linkService, intent }; if (this.div) { return _pdfjsLib.XfaLayer.update(parameters); } this.div = document.createElement('div'); this.pageDiv.append(this.div); parameters.div = this.div; return _pdfjsLib.XfaLayer.render(parameters); } cancel() { this._cancelled = true; } hide() { if (!this.div) { return; } this.div.hidden = true; } } exports.XfaLayerBuilder = XfaLayerBuilder; /***/ }, /* 38 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.SecondaryToolbar = void 0; var _ui_utils = __webpack_require__(3); var _pdf_viewer = __webpack_require__(28); class SecondaryToolbar { constructor(options, eventBus, externalServices) { this.toolbar = options.toolbar; this.toggleButton = options.toggleButton; this.buttons = [ { element: options.presentationModeButton, eventName: 'presentationmode', close: true }, { element: options.printButton, eventName: 'print', close: true }, { element: options.downloadButton, eventName: 'download', close: true }, { element: options.viewBookmarkButton, eventName: null, close: true }, { element: options.firstPageButton, eventName: 'firstpage', close: true }, { element: options.lastPageButton, eventName: 'lastpage', close: true }, { element: options.pageRotateCwButton, eventName: 'rotatecw', close: false }, { element: options.pageRotateCcwButton, eventName: 'rotateccw', close: false }, { element: options.cursorSelectToolButton, eventName: 'switchcursortool', eventDetails: { tool: _ui_utils.CursorTool.SELECT }, close: true }, { element: options.cursorHandToolButton, eventName: 'switchcursortool', eventDetails: { tool: _ui_utils.CursorTool.HAND }, close: true }, { element: options.scrollPageButton, eventName: 'switchscrollmode', eventDetails: { mode: _ui_utils.ScrollMode.PAGE }, close: true }, { element: options.scrollVerticalButton, eventName: 'switchscrollmode', eventDetails: { mode: _ui_utils.ScrollMode.VERTICAL }, close: true }, { element: options.scrollHorizontalButton, eventName: 'switchscrollmode', eventDetails: { mode: _ui_utils.ScrollMode.HORIZONTAL }, close: true }, { element: options.scrollWrappedButton, eventName: 'switchscrollmode', eventDetails: { mode: _ui_utils.ScrollMode.WRAPPED }, close: true }, { element: options.spreadNoneButton, eventName: 'switchspreadmode', eventDetails: { mode: _ui_utils.SpreadMode.NONE }, close: true }, { element: options.spreadOddButton, eventName: 'switchspreadmode', eventDetails: { mode: _ui_utils.SpreadMode.ODD }, close: true }, { element: options.spreadEvenButton, eventName: 'switchspreadmode', eventDetails: { mode: _ui_utils.SpreadMode.EVEN }, close: true }, { element: options.documentPropertiesButton, eventName: 'documentproperties', close: true } ]; this.buttons.push({ element: options.openFileButton, eventName: 'openfile', close: true }); this.items = { firstPage: options.firstPageButton, lastPage: options.lastPageButton, pageRotateCw: options.pageRotateCwButton, pageRotateCcw: options.pageRotateCcwButton }; this.eventBus = eventBus; this.externalServices = externalServices; this.opened = false; this.#bindClickListeners(); this.#bindCursorToolsListener(options); this.#bindScrollModeListener(options); this.#bindSpreadModeListener(options); this.reset(); } get isOpen() { return this.opened; } setPageNumber(pageNumber) { this.pageNumber = pageNumber; this.#updateUIState(); } setPagesCount(pagesCount) { this.pagesCount = pagesCount; this.#updateUIState(); } reset() { this.pageNumber = 0; this.pagesCount = 0; this.#updateUIState(); this.eventBus.dispatch('secondarytoolbarreset', { source: this }); } #updateUIState() { this.items.firstPage.disabled = this.pageNumber <= 1; this.items.lastPage.disabled = this.pageNumber >= this.pagesCount; this.items.pageRotateCw.disabled = this.pagesCount === 0; this.items.pageRotateCcw.disabled = this.pagesCount === 0; } #bindClickListeners() { this.toggleButton.addEventListener('click', this.toggle.bind(this)); for (const { element, eventName, close, eventDetails } of this.buttons) { element.addEventListener('click', (evt) => { if (eventName !== null) { this.eventBus.dispatch(eventName, { source: this, ...eventDetails }); } if (close) { this.close(); } this.externalServices.reportTelemetry({ type: 'buttons', data: { id: element.id } }); }); } } #bindCursorToolsListener({ cursorSelectToolButton, cursorHandToolButton }) { this.eventBus._on('cursortoolchanged', ({ tool }) => { (0, _ui_utils.toggleCheckedBtn)(cursorSelectToolButton, tool === _ui_utils.CursorTool.SELECT); (0, _ui_utils.toggleCheckedBtn)(cursorHandToolButton, tool === _ui_utils.CursorTool.HAND); }); } #bindScrollModeListener({ scrollPageButton, scrollVerticalButton, scrollHorizontalButton, scrollWrappedButton, spreadNoneButton, spreadOddButton, spreadEvenButton }) { const scrollModeChanged = ({ mode }) => { (0, _ui_utils.toggleCheckedBtn)(scrollPageButton, mode === _ui_utils.ScrollMode.PAGE); (0, _ui_utils.toggleCheckedBtn)(scrollVerticalButton, mode === _ui_utils.ScrollMode.VERTICAL); (0, _ui_utils.toggleCheckedBtn)(scrollHorizontalButton, mode === _ui_utils.ScrollMode.HORIZONTAL); (0, _ui_utils.toggleCheckedBtn)(scrollWrappedButton, mode === _ui_utils.ScrollMode.WRAPPED); const forceScrollModePage = this.pagesCount > _pdf_viewer.PagesCountLimit.FORCE_SCROLL_MODE_PAGE; scrollPageButton.disabled = forceScrollModePage; scrollVerticalButton.disabled = forceScrollModePage; scrollHorizontalButton.disabled = forceScrollModePage; scrollWrappedButton.disabled = forceScrollModePage; const isHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL; spreadNoneButton.disabled = isHorizontal; spreadOddButton.disabled = isHorizontal; spreadEvenButton.disabled = isHorizontal; }; this.eventBus._on('scrollmodechanged', scrollModeChanged); this.eventBus._on('secondarytoolbarreset', (evt) => { if (evt.source === this) { scrollModeChanged({ mode: _ui_utils.ScrollMode.VERTICAL }); } }); } #bindSpreadModeListener({ spreadNoneButton, spreadOddButton, spreadEvenButton }) { const spreadModeChanged = ({ mode }) => { (0, _ui_utils.toggleCheckedBtn)(spreadNoneButton, mode === _ui_utils.SpreadMode.NONE); (0, _ui_utils.toggleCheckedBtn)(spreadOddButton, mode === _ui_utils.SpreadMode.ODD); (0, _ui_utils.toggleCheckedBtn)(spreadEvenButton, 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; (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true, this.toolbar); } close() { if (!this.opened) { return; } this.opened = false; (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false, this.toolbar); } toggle() { if (this.opened) { this.close(); } else { this.open(); } } } exports.SecondaryToolbar = SecondaryToolbar; /***/ }, /* 39 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.Toolbar = void 0; var _ui_utils = __webpack_require__(3); var _pdfjsLib = __webpack_require__(4); const PAGE_NUMBER_LOADING_INDICATOR = 'visiblePageIsLoading'; class Toolbar { #wasLocalized = false; constructor(options, eventBus, l10n) { this.toolbar = options.container; this.eventBus = eventBus; this.l10n = l10n; this.buttons = [ { element: options.previous, eventName: 'previouspage' }, { element: options.next, eventName: 'nextpage' }, { element: options.zoomIn, eventName: 'zoomin' }, { element: options.zoomOut, eventName: 'zoomout' }, { element: options.print, eventName: 'print' }, { element: options.download, eventName: 'download' }, { element: options.editorFreeTextButton, eventName: 'switchannotationeditormode', eventDetails: { get mode() { const { classList } = options.editorFreeTextButton; return classList.contains('toggled') ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.FREETEXT; } } }, { element: options.editorInkButton, eventName: 'switchannotationeditormode', eventDetails: { get mode() { const { classList } = options.editorInkButton; return classList.contains('toggled') ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.INK; } } } ]; this.buttons.push({ element: options.openFile, eventName: 'openfile' }); this.items = { numPages: options.numPages, pageNumber: options.pageNumber, scaleSelect: options.scaleSelect, customScaleOption: options.customScaleOption, previous: options.previous, next: options.next, zoomIn: options.zoomIn, zoomOut: options.zoomOut }; this.#bindListeners(options); this.reset(); } setPageNumber(pageNumber, pageLabel) { this.pageNumber = pageNumber; this.pageLabel = pageLabel; this.#updateUIState(false); } setPagesCount(pagesCount, hasPageLabels) { this.pagesCount = pagesCount; this.hasPageLabels = hasPageLabels; this.#updateUIState(true); } setPageScale(pageScaleValue, pageScale) { this.pageScaleValue = (pageScaleValue || pageScale).toString(); this.pageScale = pageScale; this.#updateUIState(false); } reset() { this.pageNumber = 0; this.pageLabel = null; this.hasPageLabels = false; this.pagesCount = 0; this.pageScaleValue = _ui_utils.DEFAULT_SCALE_VALUE; this.pageScale = _ui_utils.DEFAULT_SCALE; this.#updateUIState(true); this.updateLoadingIndicatorState(); this.eventBus.dispatch('toolbarreset', { source: this }); } #bindListeners(options) { const { pageNumber, scaleSelect } = this.items; const self = this; for (const { element, eventName, eventDetails } of this.buttons) { element.addEventListener('click', (evt) => { if (eventName !== null) { this.eventBus.dispatch(eventName, { source: this, ...eventDetails }); } }); } pageNumber.addEventListener('click', function () { this.select(); }); pageNumber.addEventListener('change', function () { self.eventBus.dispatch('pagenumberchanged', { source: self, value: this.value }); }); scaleSelect.addEventListener('change', function () { if (this.value === 'custom') { return; } self.eventBus.dispatch('scalechanged', { source: self, value: this.value }); }); scaleSelect.addEventListener('click', function (evt) { const target = evt.target; if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === 'OPTION') { this.blur(); } }); scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler; this.eventBus._on('localized', () => { this.#wasLocalized = true; this.#adjustScaleWidth(); this.#updateUIState(true); }); this.#bindEditorToolsListener(options); } #bindEditorToolsListener({ editorFreeTextButton, editorFreeTextParamsToolbar, editorInkButton, editorInkParamsToolbar }) { const editorModeChanged = ({ mode }) => { (0, _ui_utils.toggleCheckedBtn)(editorFreeTextButton, mode === _pdfjsLib.AnnotationEditorType.FREETEXT, editorFreeTextParamsToolbar); (0, _ui_utils.toggleCheckedBtn)(editorInkButton, mode === _pdfjsLib.AnnotationEditorType.INK, editorInkParamsToolbar); const isDisable = mode === _pdfjsLib.AnnotationEditorType.DISABLE; editorFreeTextButton.disabled = isDisable; editorInkButton.disabled = isDisable; }; this.eventBus._on('annotationeditormodechanged', editorModeChanged); this.eventBus._on('toolbarreset', (evt) => { if (evt.source === this) { editorModeChanged({ mode: _pdfjsLib.AnnotationEditorType.DISABLE }); } }); } #updateUIState(resetNumPages = false) { if (!this.#wasLocalized) { return; } const { pageNumber, pagesCount, pageScaleValue, pageScale, items } = this; if (resetNumPages) { if (this.hasPageLabels) { items.pageNumber.type = 'text'; } else { items.pageNumber.type = 'number'; this.l10n .get('of_pages', { pagesCount }) .then((msg) => { items.numPages.textContent = msg; }); } items.pageNumber.max = pagesCount; } if (this.hasPageLabels) { items.pageNumber.value = this.pageLabel; this.l10n .get('page_of_pages', { pageNumber, pagesCount }) .then((msg) => { items.numPages.textContent = msg; }); } else { items.pageNumber.value = pageNumber; } items.previous.disabled = pageNumber <= 1; items.next.disabled = pageNumber >= pagesCount; items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE; items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE; this.l10n .get('page_scale_percent', { scale: Math.round(pageScale * 10000) / 100 }) .then((msg) => { let predefinedValueFound = false; for (const option of items.scaleSelect.options) { if (option.value !== pageScaleValue) { option.selected = false; continue; } option.selected = true; predefinedValueFound = true; } if (!predefinedValueFound) { items.customScaleOption.textContent = msg; items.customScaleOption.selected = true; } }); } updateLoadingIndicatorState(loading = false) { const { pageNumber } = this.items; pageNumber.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading); } async #adjustScaleWidth() { const { items, l10n } = this; const predefinedValuesPromise = Promise.all([ l10n.get('page_scale_auto'), l10n.get('page_scale_actual'), l10n.get('page_scale_fit'), l10n.get('page_scale_width') ]); await _ui_utils.animationStarted; const style = getComputedStyle(items.scaleSelect); const scaleSelectWidth = parseFloat(style.getPropertyValue('--scale-select-width')); const canvas = document.createElement('canvas'); const ctx = canvas.getContext('2d', { alpha: false }); ctx.font = `${style.fontSize} ${style.fontFamily}`; let maxWidth = 0; for (const predefinedValue of await predefinedValuesPromise) { const { width } = ctx.measureText(predefinedValue); if (width > maxWidth) { maxWidth = width; } } maxWidth += 0.3 * scaleSelectWidth; if (maxWidth > scaleSelectWidth) { const container = items.scaleSelect.parentNode; container.style.setProperty('--scale-select-width', `${maxWidth}px`); } canvas.width = 0; canvas.height = 0; } } exports.Toolbar = Toolbar; /***/ }, /* 40 */ /***/ (__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; /***/ }, /* 41 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.BasePreferences = void 0; var _app_options = __webpack_require__(5); class BasePreferences { #defaults = Object.freeze({ annotationEditorMode: 0, annotationMode: 2, cursorToolOnLoad: 0, defaultZoomDelay: 400, defaultZoomValue: '', disablePageLabels: false, enableFloatingToolbar: false, enablePermissions: false, enablePrintAutoRotate: true, enableScripting: true, externalLinkTarget: 0, historyUpdateUrl: false, ignoreDestinationZoom: false, forcePageColors: false, pageColorsBackground: 'Canvas', pageColorsForeground: 'CanvasText', pdfBugEnabled: false, sidebarViewOnLoad: -1, scrollModeOnLoad: -1, spreadModeOnLoad: -1, textLayerMode: 1, useOnlyCssZoom: false, viewerCssTheme: 0, viewOnLoad: 0, disableAutoFetch: false, disableFontFace: false, disableRange: false, disableStream: false, enableXfa: true }); #prefs = Object.create(null); #initializedPromise = null; constructor() { if (this.constructor === BasePreferences) { throw new Error('Cannot initialize BasePreferences.'); } this.#initializedPromise = this._readFromStorage(this.#defaults).then((prefs) => { for (const name in this.#defaults) { const prefValue = prefs?.[name]; if (typeof prefValue === typeof this.#defaults[name]) { this.#prefs[name] = prefValue; } } }); } async _writeToStorage(prefObj) { throw new Error('Not implemented: _writeToStorage'); } async _readFromStorage(prefObj) { throw new Error('Not implemented: _readFromStorage'); } async reset() { await this.#initializedPromise; const prefs = this.#prefs; this.#prefs = Object.create(null); return this._writeToStorage(this.#defaults).catch((reason) => { this.#prefs = prefs; throw reason; }); } async set(name, value) { await this.#initializedPromise; const defaultValue = this.#defaults[name], prefs = this.#prefs; if (defaultValue === undefined) { throw new Error(`Set preference: "${name}" is undefined.`); } else if (value === undefined) { throw new Error('Set preference: no value is specified.'); } const valueType = typeof value, defaultType = typeof defaultValue; if (valueType !== defaultType) { if (valueType === 'number' && defaultType === 'string') { value = value.toString(); } else { throw new Error(`Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`); } } else { if (valueType === 'number' && !Number.isInteger(value)) { throw new Error(`Set preference: "${value}" must be an integer.`); } } this.#prefs[name] = value; return this._writeToStorage(this.#prefs).catch((reason) => { this.#prefs = prefs; throw reason; }); } async get(name) { await this.#initializedPromise; const defaultValue = this.#defaults[name]; if (defaultValue === undefined) { throw new Error(`Get preference: "${name}" is undefined.`); } return this.#prefs[name] ?? defaultValue; } async getAll() { await this.#initializedPromise; const obj = Object.create(null); for (const name in this.#defaults) { obj[name] = this.#prefs[name] ?? this.#defaults[name]; } return obj; } } exports.BasePreferences = BasePreferences; /***/ }, /* 42 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.DownloadManager = void 0; var _pdfjsLib = __webpack_require__(4); function download(blobUrl, filename) { const a = document.createElement('a'); if (!a.click) { throw new Error('DownloadManager: "a.click()" is not supported.'); } a.href = blobUrl; a.target = '_parent'; if ('download' in a) { a.download = filename; } (document.body || document.documentElement).append(a); a.click(); a.remove(); } class DownloadManager { #openBlobUrls = new WeakMap(); downloadUrl(url, filename, _options) { if (!(0, _pdfjsLib.createValidAbsoluteUrl)(url, 'http://example.com')) { console.error(`downloadUrl - not a valid URL: ${url}`); return; } download(url + '#pdfjs.action=download', filename); } downloadData(data, filename, contentType) { const blobUrl = URL.createObjectURL( new Blob([data], { type: contentType }) ); download(blobUrl, filename); } openOrDownloadData(element, data, filename) { const isPdfData = (0, _pdfjsLib.isPdfFile)(filename); const contentType = isPdfData ? 'application/pdf' : ''; if (isPdfData) { let blobUrl = this.#openBlobUrls.get(element); if (!blobUrl) { blobUrl = URL.createObjectURL( new Blob([data], { type: contentType }) ); this.#openBlobUrls.set(element, blobUrl); } let viewerUrl; viewerUrl = '?file=' + encodeURIComponent(blobUrl + '#' + filename); try { window.open(viewerUrl); return true; } catch (ex) { console.error(`openOrDownloadData: ${ex}`); URL.revokeObjectURL(blobUrl); this.#openBlobUrls.delete(element); } } this.downloadData(data, filename, contentType); return false; } download(blob, url, filename, _options) { const blobUrl = URL.createObjectURL(blob); download(blobUrl, filename); } } exports.DownloadManager = DownloadManager; /***/ }, /* 43 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.GenericL10n = void 0; __webpack_require__(44); var _l10n_utils = __webpack_require__(29); const webL10n = document.webL10n; class GenericL10n { constructor(lang) { this._lang = lang; this._ready = new Promise((resolve, reject) => { webL10n.setLanguage((0, _l10n_utils.fixupLangCode)(lang), () => { resolve(webL10n); }); }); } async getLanguage() { const l10n = await this._ready; return l10n.getLanguage(); } async getDirection() { const l10n = await this._ready; return l10n.getDirection(); } async get(key, args = null, fallback = (0, _l10n_utils.getL10nFallback)(key, args)) { const l10n = await this._ready; return l10n.get(key, args, fallback); } async translate(element) { const l10n = await this._ready; return l10n.translate(element); } } exports.GenericL10n = GenericL10n; /***/ }, /* 44 */ /***/ () => { document.webL10n = (function (window, document, undefined) { var gL10nData = {}; var gTextData = ''; var gTextProp = 'textContent'; var gLanguage = ''; var gMacros = {}; var gReadyState = 'loading'; var gAsyncResourceLoading = true; function getL10nResourceLinks() { return document.querySelectorAll('link[type="application/l10n"]'); } function getL10nDictionary() { var script = document.querySelector('script[type="application/l10n"]'); return script ? JSON.parse(script.innerHTML) : null; } function getTranslatableChildren(element) { return element ? element.querySelectorAll('*[data-l10n-id]') : []; } function getL10nAttributes(element) { if (!element) return {}; var l10nId = element.getAttribute('data-l10n-id'); var l10nArgs = element.getAttribute('data-l10n-args'); var args = {}; if (l10nArgs) { try { args = JSON.parse(l10nArgs); } catch (e) { console.warn('could not parse arguments for #' + l10nId); } } return { id: l10nId, args: args }; } function xhrLoadText(url, onSuccess, onFailure) { onSuccess = onSuccess || function _onSuccess(data) {}; onFailure = onFailure || function _onFailure() {}; var xhr = new XMLHttpRequest(); xhr.open('GET', url, gAsyncResourceLoading); if (xhr.overrideMimeType) { xhr.overrideMimeType('text/plain; charset=utf-8'); } xhr.onreadystatechange = function () { if (xhr.readyState == 4) { if (xhr.status == 200 || xhr.status === 0) { onSuccess(xhr.responseText); } else { onFailure(); } } }; xhr.onerror = onFailure; xhr.ontimeout = onFailure; try { xhr.send(null); } catch (e) { onFailure(); } } function parseResource(href, lang, successCallback, failureCallback) { var baseURL = href.replace(/[^\/]*$/, '') || './'; function evalString(text) { if (text.lastIndexOf('\\') < 0) return text; return text .replace(/\\\\/g, '\\') .replace(/\\n/g, '\n') .replace(/\\r/g, '\r') .replace(/\\t/g, '\t') .replace(/\\b/g, '\b') .replace(/\\f/g, '\f') .replace(/\\{/g, '{') .replace(/\\}/g, '}') .replace(/\\"/g, '"') .replace(/\\'/g, "'"); } function parseProperties(text, parsedPropertiesCallback) { var dictionary = {}; var reBlank = /^\s*|\s*$/; var reComment = /^\s*#|^\s*$/; var reSection = /^\s*\[(.*)\]\s*$/; var reImport = /^\s*@import\s+url\((.*)\)\s*$/i; var reSplit = /^([^=\s]*)\s*=\s*(.+)$/; function parseRawLines(rawText, extendedSyntax, parsedRawLinesCallback) { var entries = rawText.replace(reBlank, '').split(/[\r\n]+/); var currentLang = '*'; var genericLang = lang.split('-', 1)[0]; var skipLang = false; var match = ''; function nextEntry() { while (true) { if (!entries.length) { parsedRawLinesCallback(); return; } var line = entries.shift(); if (reComment.test(line)) continue; if (extendedSyntax) { match = reSection.exec(line); if (match) { currentLang = match[1].toLowerCase(); skipLang = currentLang !== '*' && currentLang !== lang && currentLang !== genericLang; continue; } else if (skipLang) { continue; } match = reImport.exec(line); if (match) { loadImport(baseURL + match[1], nextEntry); return; } } var tmp = line.match(reSplit); if (tmp && tmp.length == 3) { dictionary[tmp[1]] = evalString(tmp[2]); } } } nextEntry(); } function loadImport(url, callback) { xhrLoadText( url, function (content) { parseRawLines(content, false, callback); }, function () { console.warn(url + ' not found.'); callback(); } ); } parseRawLines(text, true, function () { parsedPropertiesCallback(dictionary); }); } xhrLoadText( href, function (response) { gTextData += response; parseProperties(response, function (data) { for (var key in data) { var id, prop, index = key.lastIndexOf('.'); if (index > 0) { id = key.substring(0, index); prop = key.substring(index + 1); } else { id = key; prop = gTextProp; } if (!gL10nData[id]) { gL10nData[id] = {}; } gL10nData[id][prop] = data[key]; } if (successCallback) { successCallback(); } }); }, failureCallback ); } function loadLocale(lang, callback) { if (lang) { lang = lang.toLowerCase(); } callback = callback || function _callback() {}; clear(); gLanguage = lang; var langLinks = getL10nResourceLinks(); var langCount = langLinks.length; if (langCount === 0) { var dict = getL10nDictionary(); if (dict && dict.locales && dict.default_locale) { console.log('using the embedded JSON directory, early way out'); gL10nData = dict.locales[lang]; if (!gL10nData) { var defaultLocale = dict.default_locale.toLowerCase(); for (var anyCaseLang in dict.locales) { anyCaseLang = anyCaseLang.toLowerCase(); if (anyCaseLang === lang) { gL10nData = dict.locales[lang]; break; } else if (anyCaseLang === defaultLocale) { gL10nData = dict.locales[defaultLocale]; } } } callback(); } else { console.log('no resource to load, early way out'); } gReadyState = 'complete'; return; } var onResourceLoaded = null; var gResourceCount = 0; onResourceLoaded = function () { gResourceCount++; if (gResourceCount >= langCount) { callback(); gReadyState = 'complete'; } }; function L10nResourceLink(link) { var href = link.href; this.load = function (lang, callback) { parseResource(href, lang, callback, function () { console.warn(href + ' not found.'); console.warn('"' + lang + '" resource not found'); gLanguage = ''; callback(); }); }; } for (var i = 0; i < langCount; i++) { var resource = new L10nResourceLink(langLinks[i]); resource.load(lang, onResourceLoaded); } } function clear() { gL10nData = {}; gTextData = ''; gLanguage = ''; } function getPluralRules(lang) { var locales2rules = { af: 3, ak: 4, am: 4, ar: 1, asa: 3, az: 0, be: 11, bem: 3, bez: 3, bg: 3, bh: 4, bm: 0, bn: 3, bo: 0, br: 20, brx: 3, bs: 11, ca: 3, cgg: 3, chr: 3, cs: 12, cy: 17, da: 3, de: 3, dv: 3, dz: 0, ee: 3, el: 3, en: 3, eo: 3, es: 3, et: 3, eu: 3, fa: 0, ff: 5, fi: 3, fil: 4, fo: 3, fr: 5, fur: 3, fy: 3, ga: 8, gd: 24, gl: 3, gsw: 3, gu: 3, guw: 4, gv: 23, ha: 3, haw: 3, he: 2, hi: 4, hr: 11, hu: 0, id: 0, ig: 0, ii: 0, is: 3, it: 3, iu: 7, ja: 0, jmc: 3, jv: 0, ka: 0, kab: 5, kaj: 3, kcg: 3, kde: 0, kea: 0, kk: 3, kl: 3, km: 0, kn: 0, ko: 0, ksb: 3, ksh: 21, ku: 3, kw: 7, lag: 18, lb: 3, lg: 3, ln: 4, lo: 0, lt: 10, lv: 6, mas: 3, mg: 4, mk: 16, ml: 3, mn: 3, mo: 9, mr: 3, ms: 0, mt: 15, my: 0, nah: 3, naq: 7, nb: 3, nd: 3, ne: 3, nl: 3, nn: 3, no: 3, nr: 3, nso: 4, ny: 3, nyn: 3, om: 3, or: 3, pa: 3, pap: 3, pl: 13, ps: 3, pt: 3, rm: 3, ro: 9, rof: 3, ru: 11, rwk: 3, sah: 0, saq: 3, se: 7, seh: 3, ses: 0, sg: 0, sh: 11, shi: 19, sk: 12, sl: 14, sma: 7, smi: 7, smj: 7, smn: 7, sms: 7, sn: 3, so: 3, sq: 3, sr: 11, ss: 3, ssy: 3, st: 3, sv: 3, sw: 3, syr: 3, ta: 3, te: 3, teo: 3, th: 0, ti: 4, tig: 3, tk: 3, tl: 4, tn: 3, to: 0, tr: 0, ts: 3, tzm: 22, uk: 11, ur: 3, ve: 3, vi: 0, vun: 3, wa: 4, wae: 3, wo: 0, xh: 3, xog: 3, yo: 0, zh: 0, zu: 3 }; function isIn(n, list) { return list.indexOf(n) !== -1; } function isBetween(n, start, end) { return start <= n && n <= end; } var pluralRules = { 0: function (n) { return 'other'; }, 1: function (n) { if (isBetween(n % 100, 3, 10)) return 'few'; if (n === 0) return 'zero'; if (isBetween(n % 100, 11, 99)) return 'many'; if (n == 2) return 'two'; if (n == 1) return 'one'; return 'other'; }, 2: function (n) { if (n !== 0 && n % 10 === 0) return 'many'; if (n == 2) return 'two'; if (n == 1) return 'one'; return 'other'; }, 3: function (n) { if (n == 1) return 'one'; return 'other'; }, 4: function (n) { if (isBetween(n, 0, 1)) return 'one'; return 'other'; }, 5: function (n) { if (isBetween(n, 0, 2) && n != 2) return 'one'; return 'other'; }, 6: function (n) { if (n === 0) return 'zero'; if (n % 10 == 1 && n % 100 != 11) return 'one'; return 'other'; }, 7: function (n) { if (n == 2) return 'two'; if (n == 1) return 'one'; return 'other'; }, 8: function (n) { if (isBetween(n, 3, 6)) return 'few'; if (isBetween(n, 7, 10)) return 'many'; if (n == 2) return 'two'; if (n == 1) return 'one'; return 'other'; }, 9: function (n) { if (n === 0 || (n != 1 && isBetween(n % 100, 1, 19))) return 'few'; if (n == 1) return 'one'; return 'other'; }, 10: function (n) { if (isBetween(n % 10, 2, 9) && !isBetween(n % 100, 11, 19)) return 'few'; if (n % 10 == 1 && !isBetween(n % 100, 11, 19)) return 'one'; return 'other'; }, 11: function (n) { if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few'; if (n % 10 === 0 || isBetween(n % 10, 5, 9) || isBetween(n % 100, 11, 14)) return 'many'; if (n % 10 == 1 && n % 100 != 11) return 'one'; return 'other'; }, 12: function (n) { if (isBetween(n, 2, 4)) return 'few'; if (n == 1) return 'one'; return 'other'; }, 13: function (n) { if (isBetween(n % 10, 2, 4) && !isBetween(n % 100, 12, 14)) return 'few'; if ((n != 1 && isBetween(n % 10, 0, 1)) || isBetween(n % 10, 5, 9) || isBetween(n % 100, 12, 14)) return 'many'; if (n == 1) return 'one'; return 'other'; }, 14: function (n) { if (isBetween(n % 100, 3, 4)) return 'few'; if (n % 100 == 2) return 'two'; if (n % 100 == 1) return 'one'; return 'other'; }, 15: function (n) { if (n === 0 || isBetween(n % 100, 2, 10)) return 'few'; if (isBetween(n % 100, 11, 19)) return 'many'; if (n == 1) return 'one'; return 'other'; }, 16: function (n) { if (n % 10 == 1 && n != 11) return 'one'; return 'other'; }, 17: function (n) { if (n == 3) return 'few'; if (n === 0) return 'zero'; if (n == 6) return 'many'; if (n == 2) return 'two'; if (n == 1) return 'one'; return 'other'; }, 18: function (n) { if (n === 0) return 'zero'; if (isBetween(n, 0, 2) && n !== 0 && n != 2) return 'one'; return 'other'; }, 19: function (n) { if (isBetween(n, 2, 10)) return 'few'; if (isBetween(n, 0, 1)) return 'one'; return 'other'; }, 20: function (n) { if ( (isBetween(n % 10, 3, 4) || n % 10 == 9) && !(isBetween(n % 100, 10, 19) || isBetween(n % 100, 70, 79) || isBetween(n % 100, 90, 99)) ) return 'few'; if (n % 1000000 === 0 && n !== 0) return 'many'; if (n % 10 == 2 && !isIn(n % 100, [12, 72, 92])) return 'two'; if (n % 10 == 1 && !isIn(n % 100, [11, 71, 91])) return 'one'; return 'other'; }, 21: function (n) { if (n === 0) return 'zero'; if (n == 1) return 'one'; return 'other'; }, 22: function (n) { if (isBetween(n, 0, 1) || isBetween(n, 11, 99)) return 'one'; return 'other'; }, 23: function (n) { if (isBetween(n % 10, 1, 2) || n % 20 === 0) return 'one'; return 'other'; }, 24: function (n) { if (isBetween(n, 3, 10) || isBetween(n, 13, 19)) return 'few'; if (isIn(n, [2, 12])) return 'two'; if (isIn(n, [1, 11])) return 'one'; return 'other'; } }; var index = locales2rules[lang.replace(/-.*$/, '')]; if (!(index in pluralRules)) { console.warn('plural form unknown for [' + lang + ']'); return function () { return 'other'; }; } return pluralRules[index]; } gMacros.plural = function (str, param, key, prop) { var n = parseFloat(param); if (isNaN(n)) return str; if (prop != gTextProp) return str; if (!gMacros._pluralRules) { gMacros._pluralRules = getPluralRules(gLanguage); } var index = '[' + gMacros._pluralRules(n) + ']'; if (n === 0 && key + '[zero]' in gL10nData) { str = gL10nData[key + '[zero]'][prop]; } else if (n == 1 && key + '[one]' in gL10nData) { str = gL10nData[key + '[one]'][prop]; } else if (n == 2 && key + '[two]' in gL10nData) { str = gL10nData[key + '[two]'][prop]; } else if (key + index in gL10nData) { str = gL10nData[key + index][prop]; } else if (key + '[other]' in gL10nData) { str = gL10nData[key + '[other]'][prop]; } return str; }; function getL10nData(key, args, fallback) { var data = gL10nData[key]; if (!data) { console.warn('#' + key + ' is undefined.'); if (!fallback) { return null; } data = fallback; } var rv = {}; for (var prop in data) { var str = data[prop]; str = substIndexes(str, args, key, prop); str = substArguments(str, args, key); rv[prop] = str; } return rv; } function substIndexes(str, args, key, prop) { var reIndex = /\{\[\s*([a-zA-Z]+)\(([a-zA-Z]+)\)\s*\]\}/; var reMatch = reIndex.exec(str); if (!reMatch || !reMatch.length) return str; var macroName = reMatch[1]; var paramName = reMatch[2]; var param; if (args && paramName in args) { param = args[paramName]; } else if (paramName in gL10nData) { param = gL10nData[paramName]; } if (macroName in gMacros) { var macro = gMacros[macroName]; str = macro(str, param, key, prop); } return str; } function substArguments(str, args, key) { var reArgs = /\{\{\s*(.+?)\s*\}\}/g; return str.replace(reArgs, function (matched_text, arg) { if (args && arg in args) { return args[arg]; } if (arg in gL10nData) { return gL10nData[arg]; } console.log('argument {{' + arg + '}} for #' + key + ' is undefined.'); return matched_text; }); } function translateElement(element) { var l10n = getL10nAttributes(element); if (!l10n.id) return; var data = getL10nData(l10n.id, l10n.args); if (!data) { console.warn('#' + l10n.id + ' is undefined.'); return; } if (data[gTextProp]) { if (getChildElementCount(element) === 0) { element[gTextProp] = data[gTextProp]; } else { var children = element.childNodes; var found = false; for (var i = 0, l = children.length; i < l; i++) { if (children[i].nodeType === 3 && /\S/.test(children[i].nodeValue)) { if (found) { children[i].nodeValue = ''; } else { children[i].nodeValue = data[gTextProp]; found = true; } } } if (!found) { var textNode = document.createTextNode(data[gTextProp]); element.prepend(textNode); } } delete data[gTextProp]; } for (var k in data) { element[k] = data[k]; } } function getChildElementCount(element) { if (element.children) { return element.children.length; } if (typeof element.childElementCount !== 'undefined') { return element.childElementCount; } var count = 0; for (var i = 0; i < element.childNodes.length; i++) { count += element.nodeType === 1 ? 1 : 0; } return count; } function translateFragment(element) { element = element || document.documentElement; var children = getTranslatableChildren(element); var elementCount = children.length; for (var i = 0; i < elementCount; i++) { translateElement(children[i]); } translateElement(element); } return { get: function (key, args, fallbackString) { var index = key.lastIndexOf('.'); var prop = gTextProp; if (index > 0) { prop = key.substring(index + 1); key = key.substring(0, index); } var fallback; if (fallbackString) { fallback = {}; fallback[prop] = fallbackString; } var data = getL10nData(key, args, fallback); if (data && prop in data) { return data[prop]; } return '{{' + key + '}}'; }, getData: function () { return gL10nData; }, getText: function () { return gTextData; }, getLanguage: function () { return gLanguage; }, setLanguage: function (lang, callback) { loadLocale(lang, function () { if (callback) callback(); }); }, getDirection: function () { var rtlList = ['ar', 'he', 'fa', 'ps', 'ur']; var shortCode = gLanguage.split('-', 1)[0]; return rtlList.indexOf(shortCode) >= 0 ? 'rtl' : 'ltr'; }, translate: translateFragment, getReadyState: function () { return gReadyState; }, ready: function (callback) { if (!callback) { return; } else if (gReadyState == 'complete' || gReadyState == 'interactive') { window.setTimeout(function () { callback(); }); } else if (document.addEventListener) { document.addEventListener('localized', function once() { document.removeEventListener('localized', once); callback(); }); } } }; })(window, document); /***/ }, /* 45 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.GenericScripting = void 0; exports.docPropertiesLookup = docPropertiesLookup; var _pdfjsLib = __webpack_require__(4); async function docPropertiesLookup(pdfDocument) { const url = '', baseUrl = url.split('#')[0]; let { info, metadata, contentDispositionFilename, contentLength } = await pdfDocument.getMetadata(); if (!contentLength) { const { length } = await pdfDocument.getDownloadInfo(); contentLength = length; } return { ...info, baseURL: baseUrl, filesize: contentLength, filename: contentDispositionFilename || (0, _pdfjsLib.getPdfFilenameFromUrl)(url), metadata: metadata?.getRaw(), authors: metadata?.get('dc:creator'), numPages: pdfDocument.numPages, URL: url }; } class GenericScripting { constructor(sandboxBundleSrc) { this._ready = (0, _pdfjsLib.loadScript)(sandboxBundleSrc, true).then(() => { return window.pdfjsSandbox.QuickJSSandbox(); }); } async createSandbox(data) { const sandbox = await this._ready; sandbox.create(data); } async dispatchEventInSandbox(event) { const sandbox = await this._ready; setTimeout(() => sandbox.dispatchEvent(event), 0); } async destroySandbox() { const sandbox = await this._ready; sandbox.nukeSandbox(); } } exports.GenericScripting = GenericScripting; /***/ }, /* 46 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.PDFPrintService = void 0; var _pdfjsLib = __webpack_require__(4); var _app = __webpack_require__(2); var _print_utils = __webpack_require__(47); let activeService = null; let dialog = null; let overlayManager = null; function renderPage( activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise ) { const scratchCanvas = activeService.scratchCanvas; const PRINT_UNITS = printResolution / _pdfjsLib.PixelsPerInch.PDF; scratchCanvas.width = Math.floor(size.width * PRINT_UNITS); scratchCanvas.height = Math.floor(size.height * PRINT_UNITS); const ctx = scratchCanvas.getContext('2d'); ctx.save(); ctx.fillStyle = 'rgb(255, 255, 255)'; ctx.fillRect(0, 0, scratchCanvas.width, scratchCanvas.height); ctx.restore(); return Promise.all([pdfDocument.getPage(pageNumber), printAnnotationStoragePromise]).then(function ([pdfPage, printAnnotationStorage]) { const renderContext = { canvasContext: ctx, transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0], viewport: pdfPage.getViewport({ scale: 1, rotation: size.rotation }), intent: 'print', annotationMode: _pdfjsLib.AnnotationMode.ENABLE_STORAGE, optionalContentConfigPromise, printAnnotationStorage }; return pdfPage.render(renderContext).promise; }); } class PDFPrintService { constructor( pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise = null, printAnnotationStoragePromise = null, l10n ) { this.pdfDocument = pdfDocument; this.pagesOverview = pagesOverview; this.printContainer = printContainer; this._printResolution = printResolution || 150; this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig(); this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve(); this.l10n = l10n; this.currentPage = -1; this.scratchCanvas = document.createElement('canvas'); } layout() { this.throwIfInactive(); const body = document.querySelector('body'); body.setAttribute('data-pdfjsprinting', true); const { width, height } = this.pagesOverview[0]; const hasEqualPageSizes = this.pagesOverview.every((size) => size.width === width && size.height === height); if (!hasEqualPageSizes) { console.warn('Not all pages have the same size. The printed result may be incorrect!'); } this.pageStyleSheet = document.createElement('style'); this.pageStyleSheet.textContent = `@page { size: ${width}pt ${height}pt;}`; body.append(this.pageStyleSheet); } destroy() { if (activeService !== this) { return; } this.printContainer.textContent = ''; const body = document.querySelector('body'); body.removeAttribute('data-pdfjsprinting'); if (this.pageStyleSheet) { this.pageStyleSheet.remove(); this.pageStyleSheet = null; } this.scratchCanvas.width = this.scratchCanvas.height = 0; this.scratchCanvas = null; activeService = null; ensureOverlay().then(function () { if (overlayManager.active === dialog) { overlayManager.close(dialog); } }); } renderPages() { if (this.pdfDocument.isPureXfa) { (0, _print_utils.getXfaHtmlForPrinting)(this.printContainer, this.pdfDocument); return Promise.resolve(); } const pageCount = this.pagesOverview.length; const renderNextPage = (resolve, reject) => { this.throwIfInactive(); if (++this.currentPage >= pageCount) { renderProgress(pageCount, pageCount, this.l10n); resolve(); return; } const index = this.currentPage; renderProgress(index, pageCount, this.l10n); renderPage( this, this.pdfDocument, index + 1, this.pagesOverview[index], this._printResolution, this._optionalContentConfigPromise, this._printAnnotationStoragePromise ) .then(this.useRenderedPage.bind(this)) .then(function () { renderNextPage(resolve, reject); }, reject); }; return new Promise(renderNextPage); } useRenderedPage() { this.throwIfInactive(); const img = document.createElement('img'); const scratchCanvas = this.scratchCanvas; if ('toBlob' in scratchCanvas) { scratchCanvas.toBlob(function (blob) { img.src = URL.createObjectURL(blob); }); } else { img.src = scratchCanvas.toDataURL(); } const wrapper = document.createElement('div'); wrapper.className = 'printedPage'; wrapper.append(img); this.printContainer.append(wrapper); return new Promise(function (resolve, reject) { img.onload = resolve; img.onerror = reject; }); } performPrint() { this.throwIfInactive(); return new Promise((resolve) => { setTimeout(() => { if (!this.active) { resolve(); return; } print.call(window); setTimeout(resolve, 20); }, 0); }); } get active() { return this === activeService; } throwIfInactive() { if (!this.active) { throw new Error('This print request was cancelled or completed.'); } } } exports.PDFPrintService = PDFPrintService; const print = window.print; window.print = function () { if (activeService) { console.warn('Ignored window.print() because of a pending print job.'); return; } ensureOverlay().then(function () { if (activeService) { overlayManager.open(dialog); } }); try { dispatchEvent('beforeprint'); } finally { if (!activeService) { console.error('Expected print service to be initialized.'); ensureOverlay().then(function () { if (overlayManager.active === dialog) { overlayManager.close(dialog); } }); return; } const activeServiceOnEntry = activeService; activeService .renderPages() .then(function () { return activeServiceOnEntry.performPrint(); }) .catch(function () {}) .then(function () { if (activeServiceOnEntry.active) { abort(); } }); } }; function dispatchEvent(eventType) { const event = new CustomEvent(eventType, { bubbles: false, cancelable: false, detail: 'custom' }); window.dispatchEvent(event); } function abort() { if (activeService) { activeService.destroy(); dispatchEvent('afterprint'); } } function renderProgress(index, total, l10n) { dialog ||= document.getElementById('printServiceDialog'); const progress = Math.round((100 * index) / total); const progressBar = dialog.querySelector('progress'); const progressPerc = dialog.querySelector('.relative-progress'); progressBar.value = progress; l10n .get('print_progress_percent', { progress }) .then((msg) => { progressPerc.textContent = msg; }); } window.addEventListener( 'keydown', function (event) { if (event.keyCode === 80 && (event.ctrlKey || event.metaKey) && !event.altKey && (!event.shiftKey || window.chrome || window.opera)) { window.print(); event.preventDefault(); event.stopImmediatePropagation(); } }, true ); if ('onbeforeprint' in window) { const stopPropagationIfNeeded = function (event) { if (event.detail !== 'custom') { event.stopImmediatePropagation(); } }; window.addEventListener('beforeprint', stopPropagationIfNeeded); window.addEventListener('afterprint', stopPropagationIfNeeded); } let overlayPromise; function ensureOverlay() { if (!overlayPromise) { overlayManager = _app.PDFViewerApplication.overlayManager; if (!overlayManager) { throw new Error('The overlay manager has not yet been initialized.'); } dialog ||= document.getElementById('printServiceDialog'); overlayPromise = overlayManager.register(dialog, true); document.getElementById('printCancel').onclick = abort; dialog.addEventListener('close', abort); } return overlayPromise; } _app.PDFPrintServiceFactory.instance = { supportsPrinting: true, createPrintService( pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise, l10n ) { if (activeService) { throw new Error('The print service is created and active.'); } activeService = new PDFPrintService( pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise, l10n ); return activeService; } }; /***/ }, /* 47 */ /***/ (__unused_webpack_module, exports, __webpack_require__) => { Object.defineProperty(exports, '__esModule', { value: true }); exports.getXfaHtmlForPrinting = getXfaHtmlForPrinting; var _pdfjsLib = __webpack_require__(4); var _pdf_link_service = __webpack_require__(7); var _xfa_layer_builder = __webpack_require__(37); function getXfaHtmlForPrinting(printContainer, pdfDocument) { const xfaHtml = pdfDocument.allXfaHtml; const linkService = new _pdf_link_service.SimpleLinkService(); const scale = Math.round(_pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100; for (const xfaPage of xfaHtml.children) { const page = document.createElement('div'); page.className = 'xfaPrintedPage'; printContainer.append(page); const builder = new _xfa_layer_builder.XfaLayerBuilder({ pageDiv: page, pdfPage: null, annotationStorage: pdfDocument.annotationStorage, linkService, xfaHtml: xfaPage }); const viewport = (0, _pdfjsLib.getXfaPageViewport)(xfaPage, { scale }); builder.render(viewport, 'print'); } } /***/ } /******/ ]; /************************************************************************/ /******/ // The module cache /******/ var __webpack_module_cache__ = {}; /******/ /******/ // The require function /******/ function __webpack_require__(moduleId) { /******/ // Check if module is in cache /******/ var cachedModule = __webpack_module_cache__[moduleId]; /******/ if (cachedModule !== undefined) { /******/ return cachedModule.exports; /******/ } /******/ // Create a new module (and put it into the cache) /******/ var module = (__webpack_module_cache__[moduleId] = { /******/ // no module.id needed /******/ // no module.loaded needed /******/ exports: {} /******/ }); /******/ /******/ // Execute the module function /******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__); /******/ /******/ // Return the exports of the module /******/ return module.exports; /******/ } /******/ /************************************************************************/ var __webpack_exports__ = {}; // This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk. (() => { var exports = __webpack_exports__; Object.defineProperty(exports, '__esModule', { value: true }); Object.defineProperty(exports, 'PDFViewerApplication', { enumerable: true, get: function () { return _app.PDFViewerApplication; } }); exports.PDFViewerApplicationConstants = void 0; Object.defineProperty(exports, 'PDFViewerApplicationOptions', { enumerable: true, get: function () { return _app_options.AppOptions; } }); __webpack_require__(1); __webpack_require__(46); var _ui_utils = __webpack_require__(3); var _app_options = __webpack_require__(5); var _pdf_link_service = __webpack_require__(7); var _app = __webpack_require__(2); const pdfjsVersion = '3.7.107'; const pdfjsBuild = '036f855dc'; const AppConstants = { LinkTarget: _pdf_link_service.LinkTarget, RenderingStates: _ui_utils.RenderingStates, ScrollMode: _ui_utils.ScrollMode, SpreadMode: _ui_utils.SpreadMode }; exports.PDFViewerApplicationConstants = AppConstants; window.PDFViewerApplication = _app.PDFViewerApplication; window.PDFViewerApplicationConstants = AppConstants; window.PDFViewerApplicationOptions = _app_options.AppOptions; function getViewerConfiguration() { return { appContainer: document.body, mainContainer: document.getElementById('viewerContainer'), viewerContainer: document.getElementById('viewer'), toolbar: { container: document.getElementById('toolbarViewer'), numPages: document.getElementById('numPages'), pageNumber: document.getElementById('pageNumber'), scaleSelect: document.getElementById('scaleSelect'), customScaleOption: document.getElementById('customScaleOption'), previous: document.getElementById('previous'), next: document.getElementById('next'), zoomIn: document.getElementById('zoomIn'), zoomOut: document.getElementById('zoomOut'), viewFind: document.getElementById('viewFind'), openFile: document.getElementById('openFile'), print: document.getElementById('print'), editorFreeTextButton: document.getElementById('editorFreeText'), editorFreeTextParamsToolbar: document.getElementById('editorFreeTextParamsToolbar'), editorInkButton: document.getElementById('editorInk'), editorInkParamsToolbar: document.getElementById('editorInkParamsToolbar'), download: document.getElementById('download') }, secondaryToolbar: { toolbar: document.getElementById('secondaryToolbar'), toggleButton: document.getElementById('secondaryToolbarToggle'), presentationModeButton: document.getElementById('presentationMode'), openFileButton: document.getElementById('secondaryOpenFile'), printButton: document.getElementById('secondaryPrint'), downloadButton: document.getElementById('secondaryDownload'), viewBookmarkButton: document.getElementById('viewBookmark'), firstPageButton: document.getElementById('firstPage'), lastPageButton: document.getElementById('lastPage'), pageRotateCwButton: document.getElementById('pageRotateCw'), pageRotateCcwButton: document.getElementById('pageRotateCcw'), cursorSelectToolButton: document.getElementById('cursorSelectTool'), cursorHandToolButton: document.getElementById('cursorHandTool'), scrollPageButton: document.getElementById('scrollPage'), scrollVerticalButton: document.getElementById('scrollVertical'), scrollHorizontalButton: document.getElementById('scrollHorizontal'), scrollWrappedButton: document.getElementById('scrollWrapped'), spreadNoneButton: document.getElementById('spreadNone'), spreadOddButton: document.getElementById('spreadOdd'), spreadEvenButton: document.getElementById('spreadEven'), documentPropertiesButton: document.getElementById('documentProperties') }, sidebar: { outerContainer: document.getElementById('outerContainer'), sidebarContainer: document.getElementById('sidebarContainer'), toggleButton: document.getElementById('sidebarToggle'), resizer: document.getElementById('sidebarResizer'), 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') }, findBar: { bar: document.getElementById('findbar'), toggleButton: document.getElementById('viewFind'), findField: document.getElementById('findInput'), highlightAllCheckbox: document.getElementById('findHighlightAll'), caseSensitiveCheckbox: document.getElementById('findMatchCase'), matchDiacriticsCheckbox: document.getElementById('findMatchDiacritics'), entireWordCheckbox: document.getElementById('findEntireWord'), findMsg: document.getElementById('findMsg'), findResultsCount: document.getElementById('findResultsCount'), findPreviousButton: document.getElementById('findPrevious'), findNextButton: document.getElementById('findNext') }, passwordOverlay: { dialog: document.getElementById('passwordDialog'), label: document.getElementById('passwordText'), input: document.getElementById('password'), submitButton: document.getElementById('passwordSubmit'), cancelButton: document.getElementById('passwordCancel') }, documentProperties: { dialog: document.getElementById('documentPropertiesDialog'), closeButton: document.getElementById('documentPropertiesClose'), fields: { fileName: document.getElementById('fileNameField'), fileSize: document.getElementById('fileSizeField'), title: document.getElementById('titleField'), author: document.getElementById('authorField'), subject: document.getElementById('subjectField'), keywords: document.getElementById('keywordsField'), creationDate: document.getElementById('creationDateField'), modificationDate: document.getElementById('modificationDateField'), creator: document.getElementById('creatorField'), producer: document.getElementById('producerField'), version: document.getElementById('versionField'), pageCount: document.getElementById('pageCountField'), pageSize: document.getElementById('pageSizeField'), linearized: document.getElementById('linearizedField') } }, annotationEditorParams: { editorFreeTextFontSize: document.getElementById('editorFreeTextFontSize'), editorFreeTextColor: document.getElementById('editorFreeTextColor'), editorInkColor: document.getElementById('editorInkColor'), editorInkThickness: document.getElementById('editorInkThickness'), editorInkOpacity: document.getElementById('editorInkOpacity') }, printContainer: document.getElementById('printContainer'), openFileInput: document.getElementById('fileInput'), debuggerScriptPath: './debugger.js' }; } function webViewerLoad() { const config = getViewerConfiguration(); const event = new CustomEvent('webviewerloaded', { bubbles: true, cancelable: true, detail: { source: window } }); try { parent.document.dispatchEvent(event); } catch (ex) { console.error(`webviewerloaded: ${ex}`); document.dispatchEvent(event); } _app.PDFViewerApplication.run(config); } document.blockUnblockOnload?.(true); if (document.readyState === 'interactive' || document.readyState === 'complete') { webViewerLoad(); } else { document.addEventListener('DOMContentLoaded', webViewerLoad, true); } })(); /******/ })(); //# sourceMappingURL=viewer.js.map