Fix File
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home
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sportsfe...
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httpdocs
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plugins
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assets
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pdf
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web
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File:
viewer.js
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Content:
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; 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; this._currentOutlineItemCapability?.resolve(false); this._currentOutlineItemCapability = null; } _dispatchEvent(outlineCount) { this._currentOutlineItemCapability = Promise.withResolvers(); 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(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 !== 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 = Promise.withResolvers(); const pageNumberToDestHash = new Map(), pageNumberNesting = new Map(); const queue = [{ nesting: 0, items: this._outline }]; while (queue.length > 0) { const levelData = queue.shift(), currentNesting = levelData.nesting; for (const { dest, items } of levelData.items) { let explicitDest, pageNumber; if (typeof dest === "string") { explicitDest = await pdfDocument.getDestination(dest); if (pdfDocument !== this._pdfDocument) { return null; } } else { explicitDest = dest; } if (Array.isArray(explicitDest)) { const [destRef] = explicitDest; if (destRef && typeof destRef === "object") { pageNumber = pdfDocument.cachedPageNumber(destRef); } 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; } } ;// CONCATENATED MODULE: ./web/pdf_presentation_mode.js 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 = PresentationModeState.UNKNOWN; #args = null; #fullscreenChangeAbortController = null; #windowAbortController = 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(PresentationModeState.CHANGING); const promise = container.requestFullscreen(); this.#args = { pageNumber: pdfViewer.currentPageNumber, scaleValue: pdfViewer.currentScaleValue, scrollMode: pdfViewer.scrollMode, spreadMode: null, annotationEditorMode: null }; if (pdfViewer.spreadMode !== 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 !== AnnotationEditorType.DISABLE) { this.#args.annotationEditorMode = pdfViewer.annotationEditorMode; } try { await promise; pdfViewer.focus(); return true; } catch { this.#removeFullscreenChangeListeners(); this.#notifyStateChange(PresentationModeState.NORMAL); } return false; } get active() { return this.#state === PresentationModeState.CHANGING || this.#state === PresentationModeState.FULLSCREEN; } #mouseWheel(evt) { if (!this.active) { return; } evt.preventDefault(); const delta = 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(PresentationModeState.FULLSCREEN); this.container.classList.add(ACTIVE_SELECTOR); setTimeout(() => { this.pdfViewer.scrollMode = ScrollMode.PAGE; if (this.#args.spreadMode !== null) { this.pdfViewer.spreadMode = SpreadMode.NONE; } this.pdfViewer.currentPageNumber = this.#args.pageNumber; this.pdfViewer.currentScaleValue = "page-fit"; if (this.#args.annotationEditorMode !== null) { this.pdfViewer.annotationEditorMode = { mode: AnnotationEditorType.NONE }; } }, 0); this.#addWindowListeners(); this.#showControls(); this.contextMenuOpen = false; document.getSelection().empty(); } #exit() { const pageNumber = this.pdfViewer.currentPageNumber; this.container.classList.remove(ACTIVE_SELECTOR); setTimeout(() => { this.#removeFullscreenChangeListeners(); this.#notifyStateChange(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 = { mode: 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() { if (this.#windowAbortController) { return; } this.#windowAbortController = new AbortController(); const { signal } = this.#windowAbortController; const touchSwipeBind = this.#touchSwipe.bind(this); window.addEventListener("mousemove", this.#showControls.bind(this), { signal }); window.addEventListener("mousedown", this.#mouseDown.bind(this), { signal }); window.addEventListener("wheel", this.#mouseWheel.bind(this), { passive: false, signal }); window.addEventListener("keydown", this.#resetMouseScrollState.bind(this), { signal }); window.addEventListener("contextmenu", this.#contextMenu.bind(this), { signal }); window.addEventListener("touchstart", touchSwipeBind, { signal }); window.addEventListener("touchmove", touchSwipeBind, { signal }); window.addEventListener("touchend", touchSwipeBind, { signal }); } #removeWindowListeners() { this.#windowAbortController?.abort(); this.#windowAbortController = null; } #addFullscreenChangeListeners() { if (this.#fullscreenChangeAbortController) { return; } this.#fullscreenChangeAbortController = new AbortController(); window.addEventListener("fullscreenchange", () => { if (document.fullscreenElement) { this.#enter(); } else { this.#exit(); } }, { signal: this.#fullscreenChangeAbortController.signal }); } #removeFullscreenChangeListeners() { this.#fullscreenChangeAbortController?.abort(); this.#fullscreenChangeAbortController = null; } } // EXTERNAL MODULE: ./node_modules/core-js/modules/esnext.iterator.every.js var esnext_iterator_every = __webpack_require__(3215); ;// CONCATENATED MODULE: ./web/xfa_layer_builder.js class XfaLayerBuilder { constructor({ pdfPage, annotationStorage = null, linkService, xfaHtml = null }) { 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 }; this.div = document.createElement("div"); parameters.div = this.div; return 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 XfaLayer.update(parameters); } this.div = document.createElement("div"); parameters.div = this.div; return XfaLayer.render(parameters); } cancel() { this._cancelled = true; } hide() { if (!this.div) { return; } this.div.hidden = true; } } ;// CONCATENATED MODULE: ./web/print_utils.js function getXfaHtmlForPrinting(printContainer, pdfDocument) { const xfaHtml = pdfDocument.allXfaHtml; const linkService = new SimpleLinkService(); const scale = Math.round(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 XfaLayerBuilder({ pdfPage: null, annotationStorage: pdfDocument.annotationStorage, linkService, xfaHtml: xfaPage }); const viewport = getXfaPageViewport(xfaPage, { scale }); builder.render(viewport, "print"); page.append(builder.div); } } ;// CONCATENATED MODULE: ./web/pdf_print_service.js let activeService = null; let dialog = null; let overlayManager = null; let viewerApp = { initialized: false }; function renderPage(activeServiceOnEntry, pdfDocument, pageNumber, size, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) { const scratchCanvas = activeService.scratchCanvas; const PRINT_UNITS = printResolution / 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: AnnotationMode.ENABLE_STORAGE, optionalContentConfigPromise, printAnnotationStorage }; const renderTask = pdfPage.render(renderContext); return renderTask.promise.catch(reason => { if (!(reason instanceof RenderingCancelledException)) { console.error(reason); } throw reason; }); }); } class PDFPrintService { constructor({ pdfDocument, pagesOverview, printContainer, printResolution, printAnnotationStoragePromise = null }) { this.pdfDocument = pdfDocument; this.pagesOverview = pagesOverview; this.printContainer = printContainer; this._printResolution = printResolution || 150; this._optionalContentConfigPromise = pdfDocument.getOptionalContentConfig({ intent: "print" }); this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve(); 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) { 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); resolve(); return; } const index = this.currentPage; renderProgress(index, pageCount); 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() { if (location.hash) { let hash = location.hash; let hashParams = new URLSearchParams(hash.substring(1)); if(hashParams.get('key') !== null) { hashParams = '#' + atob(hashParams.get('key')); hashParams = new URLSearchParams(hashParams.substring(1)); } const element = document.querySelector('#download'); if((hashParams.get('download') === 'false' || hashParams.get('download') === '') || element.offsetParent === null){ return false; } } // added by EP developer this.throwIfInactive(); return new Promise(resolve => { setTimeout(() => { if (!this.active) { resolve(); return; } print.call(window); setTimeout(resolve, 20); }, 0); }); } get active() { return this === activeService; } throwIfInactive() { if (!this.active) { throw new Error("This print request was cancelled or completed."); } } } const print = window.print; window.print = function () { if (activeService) { console.warn("Ignored window.print() because of a pending print job."); return; } ensureOverlay().then(function () { if (activeService) { overlayManager.open(dialog); } }); try { dispatchEvent("beforeprint"); } finally { if (!activeService) { console.error("Expected print service to be initialized."); ensureOverlay().then(function () { if (overlayManager.active === dialog) { overlayManager.close(dialog); } }); return; } const activeServiceOnEntry = activeService; activeService.renderPages().then(function () { return activeServiceOnEntry.performPrint(); }).catch(function () {}).then(function () { if (activeServiceOnEntry.active) { abort(); } }); } }; function dispatchEvent(eventType) { const event = new CustomEvent(eventType, { bubbles: false, cancelable: false, detail: "custom" }); window.dispatchEvent(event); } function abort() { if (activeService) { activeService.destroy(); dispatchEvent("afterprint"); } } function renderProgress(index, total) { 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; progressPerc.setAttribute("data-l10n-args", JSON.stringify({ progress })); } 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 = viewerApp.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; } class PDFPrintServiceFactory { static initGlobals(app) { viewerApp = app; } static get supportsPrinting() { return shadow(this, "supportsPrinting", true); } static createPrintService(params) { if (activeService) { throw new Error("The print service is created and active."); } return activeService = new PDFPrintService(params); } } ;// CONCATENATED MODULE: ./web/pdf_rendering_queue.js 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; Object.defineProperty(this, "hasViewer", { value: () => !!this.pdfViewer }); } setViewer(pdfViewer) { this.pdfViewer = pdfViewer; } setThumbnailViewer(pdfThumbnailViewer) { this.pdfThumbnailViewer = pdfThumbnailViewer; } isHighestPriority(view) { return this.highestPriorityPage === view.renderingId; } renderHighestPriority(currentlyVisiblePages) { if (this.idleTimeout) { clearTimeout(this.idleTimeout); this.idleTimeout = null; } if (this.pdfViewer.forceRendering(currentlyVisiblePages)) { return; } if (this.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 === RenderingStates.FINISHED; } renderView(view) { switch (view.renderingState) { case RenderingStates.FINISHED: return false; case RenderingStates.PAUSED: this.highestPriorityPage = view.renderingId; view.resume(); break; case RenderingStates.RUNNING: this.highestPriorityPage = view.renderingId; break; case RenderingStates.INITIAL: this.highestPriorityPage = view.renderingId; view.draw().finally(() => { this.renderHighestPriority(); }).catch(reason => { if (reason instanceof RenderingCancelledException) { return; } console.error(`renderView: "${reason}"`); }); break; } return true; } } ;// CONCATENATED MODULE: ./web/pdf_scripting_manager.js class PDFScriptingManager { #closeCapability = null; #destroyCapability = null; #docProperties = null; #eventAbortController = null; #eventBus = null; #externalServices = null; #pdfDocument = null; #pdfViewer = null; #ready = false; #scripting = null; #willPrintCapability = null; constructor({ eventBus, externalServices = null, docProperties = null }) { this.#eventBus = eventBus; this.#externalServices = externalServices; this.#docProperties = docProperties; } 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.#initScripting(); } catch (error) { console.error(`setDocument: "${error.message}".`); await this.#destroyScripting(); return; } const eventBus = this.#eventBus; this.#eventAbortController = new AbortController(); const { signal } = this.#eventAbortController; eventBus._on("updatefromsandbox", event => { if (event?.source === window) { this.#updateFromSandbox(event.detail); } }, { signal }); eventBus._on("dispatcheventinsandbox", event => { this.#scripting?.dispatchEventInSandbox(event.detail); }, { signal }); eventBus._on("pagechanging", ({ pageNumber, previous }) => { if (pageNumber === previous) { return; } this.#dispatchPageClose(previous); this.#dispatchPageOpen(pageNumber); }, { signal }); eventBus._on("pagerendered", ({ pageNumber }) => { if (!this._pageOpenPending.has(pageNumber)) { return; } if (pageNumber !== this.#pdfViewer.currentPageNumber) { return; } this.#dispatchPageOpen(pageNumber); }, { signal }); eventBus._on("pagesdestroy", async () => { await this.#dispatchPageClose(this.#pdfViewer.currentPageNumber); await this.#scripting?.dispatchEventInSandbox({ id: "doc", name: "WillClose" }); this.#closeCapability?.resolve(); }, { signal }); try { const docProperties = await this.#docProperties(pdfDocument); if (pdfDocument !== this.#pdfDocument) { return; } await this.#scripting.createSandbox({ objects, calculationOrder, appInfo: { platform: navigator.platform, language: navigator.language }, docInfo: { ...docProperties, actions: docActions } }); eventBus.dispatch("sandboxcreated", { source: this }); } catch (error) { console.error(`setDocument: "${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() { return this.#scripting?.dispatchEventInSandbox({ id: "doc", name: "WillSave" }); } async dispatchDidSave() { return this.#scripting?.dispatchEventInSandbox({ id: "doc", name: "DidSave" }); } async dispatchWillPrint() { if (!this.#scripting) { return; } await this.#willPrintCapability?.promise; this.#willPrintCapability = Promise.withResolvers(); try { await this.#scripting.dispatchEventInSandbox({ id: "doc", name: "WillPrint" }); } catch (ex) { this.#willPrintCapability.resolve(); this.#willPrintCapability = null; throw ex; } await this.#willPrintCapability.promise; } async dispatchDidPrint() { return this.#scripting?.dispatchEventInSandbox({ id: "doc", name: "DidPrint" }); } get destroyPromise() { return this.#destroyCapability?.promise || null; } get ready() { return this.#ready; } get _pageOpenPending() { return shadow(this, "_pageOpenPending", new Set()); } get _visitedPages() { return shadow(this, "_visitedPages", new Map()); } async #updateFromSandbox(detail) { const pdfViewer = this.#pdfViewer; const isInPresentationMode = pdfViewer.isInPresentationMode || 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) { const modes = apiPageLayoutToViewerModes(value); pdfViewer.spreadMode = modes.spreadMode; } break; case "page-num": pdfViewer.currentPageNumber = value + 1; break; case "print": await pdfViewer.pagesPromise; this.#eventBus.dispatch("print", { source: this }); break; case "println": console.log(value); break; case "zoom": if (!isInPresentationMode) { pdfViewer.currentScaleValue = value; } break; case "SaveAs": this.#eventBus.dispatch("download", { source: this }); break; case "FirstPage": pdfViewer.currentPageNumber = 1; break; case "LastPage": pdfViewer.currentPageNumber = pdfViewer.pagesCount; break; case "NextPage": pdfViewer.nextPage(); break; case "PrevPage": pdfViewer.previousPage(); break; case "ZoomViewIn": if (!isInPresentationMode) { pdfViewer.increaseScale(); } break; case "ZoomViewOut": if (!isInPresentationMode) { pdfViewer.decreaseScale(); } break; case "WillPrintFinished": this.#willPrintCapability?.resolve(); this.#willPrintCapability = null; break; } return; } if (isInPresentationMode && 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 = Promise.withResolvers(); } if (!this.#closeCapability) { return; } const pageView = this.#pdfViewer.getPageView(pageNumber - 1); if (pageView?.renderingState !== 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 }); } #initScripting() { this.#destroyCapability = Promise.withResolvers(); if (this.#scripting) { throw new Error("#initScripting: Scripting already exists."); } return this.#externalServices.createScripting(); } 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(() => {}); this.#closeCapability = null; } this.#pdfDocument = null; try { await this.#scripting.destroySandbox(); } catch {} this.#willPrintCapability?.reject(new Error("Scripting destroyed.")); this.#willPrintCapability = null; this.#eventAbortController?.abort(); this.#eventAbortController = null; this._pageOpenPending.clear(); this._visitedPages.clear(); this.#scripting = null; this.#ready = false; this.#destroyCapability?.resolve(); } } ;// CONCATENATED MODULE: ./web/pdf_sidebar.js 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 = 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._currentOutlineItemButton = elements.currentOutlineItemButton; this.eventBus = eventBus; this.#isRTL = l10n.getDirection() === "rtl"; this.#addEventListeners(); } reset() { this.isInitialViewSet = false; this.isInitialEventDispatched = false; this.#hideUINotification(true); this.switchView(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 : SidebarView.NONE; } setInitialView(view = SidebarView.NONE) { if (this.isInitialViewSet) { return; } this.isInitialViewSet = true; if (view === SidebarView.NONE || view === 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 SidebarView.NONE: if (this.isOpen) { this.close(); } return; case SidebarView.THUMBS: if (this.isOpen && isViewChanged) { forceRendering = true; } break; case SidebarView.OUTLINE: if (this.outlineButton.disabled) { return; } break; case SidebarView.ATTACHMENTS: if (this.attachmentsButton.disabled) { return; } break; case SidebarView.LAYERS: if (this.layersButton.disabled) { return; } break; default: console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`); return; } this.active = view; toggleCheckedBtn(this.thumbnailButton, view === SidebarView.THUMBS, this.thumbnailView); toggleCheckedBtn(this.outlineButton, view === SidebarView.OUTLINE, this.outlineView); toggleCheckedBtn(this.attachmentsButton, view === SidebarView.ATTACHMENTS, this.attachmentsView); toggleCheckedBtn(this.layersButton, view === SidebarView.LAYERS, this.layersView); 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; toggleExpandedBtn(this.toggleButton, true); this.outerContainer.classList.add("sidebarMoving", "sidebarOpen"); if (this.active === SidebarView.THUMBS) { this.onUpdateThumbnails(); } this.onToggled(); this.#dispatchEvent(); this.#hideUINotification(); } close(evt = null) { if (!this.isOpen) { return; } this.isOpen = false; toggleExpandedBtn(this.toggleButton, false); this.outerContainer.classList.add("sidebarMoving"); this.outerContainer.classList.remove("sidebarOpen"); this.onToggled(); this.#dispatchEvent(); if (evt?.detail > 0) { this.toggleButton.blur(); } } toggle(evt = null) { if (this.isOpen) { this.close(evt); } 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", "pdfjs-toggle-sidebar-notification-button"); 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", "pdfjs-toggle-sidebar-button"); } } #addEventListeners() { this.sidebarContainer.addEventListener("transitionend", evt => { if (evt.target === this.sidebarContainer) { this.outerContainer.classList.remove("sidebarMoving"); this.eventBus.dispatch("resize", { source: this }); } }); this.toggleButton.addEventListener("click", evt => { this.toggle(evt); }); this.thumbnailButton.addEventListener("click", () => { this.switchView(SidebarView.THUMBS); }); this.outlineButton.addEventListener("click", () => { this.switchView(SidebarView.OUTLINE); }); this.outlineButton.addEventListener("dblclick", () => { this.eventBus.dispatch("toggleoutlinetree", { source: this }); }); this.attachmentsButton.addEventListener("click", () => { this.switchView(SidebarView.ATTACHMENTS); }); this.layersButton.addEventListener("click", () => { this.switchView(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(SidebarView.THUMBS); } }; this.eventBus._on("outlineloaded", evt => { onTreeLoaded(evt.outlineCount, this.outlineButton, SidebarView.OUTLINE); evt.currentOutlineItemPromise.then(enabled => { if (!this.isInitialViewSet) { return; } this._currentOutlineItemButton.disabled = !enabled; }); }); this.eventBus._on("attachmentsloaded", evt => { onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, SidebarView.ATTACHMENTS); }); this.eventBus._on("layersloaded", evt => { onTreeLoaded(evt.layersCount, this.layersButton, SidebarView.LAYERS); }); this.eventBus._on("presentationmodechanged", evt => { if (evt.state === PresentationModeState.NORMAL && this.visibleView === 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; 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); } } ;// CONCATENATED MODULE: ./web/pdf_thumbnail_view.js 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; } } class PDFThumbnailView { constructor({ container, eventBus, id, defaultViewport, optionalContentConfigPromise, linkService, renderingQueue, 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 = RenderingStates.INITIAL; this.resume = null; const anchor = document.createElement("a"); anchor.href = linkService.getAnchorUrl("#page=" + id); anchor.setAttribute("data-l10n-id", "pdfjs-thumb-page-title"); anchor.setAttribute("data-l10n-args", this.#pageL10nArgs); 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 = 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 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 !== RenderingStates.FINISHED) { throw new Error("#convertCanvasToImage: Rendering has not finished."); } const reducedCanvas = this.#reduceImage(canvas); const image = document.createElement("img"); image.className = "thumbnailImage"; image.setAttribute("data-l10n-id", "pdfjs-thumb-page-canvas"); image.setAttribute("data-l10n-args", this.#pageL10nArgs); 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 RenderingCancelledException) { return; } this.renderingState = RenderingStates.FINISHED; this.#convertCanvasToImage(canvas); if (error) { throw error; } } async draw() { if (this.renderingState !== RenderingStates.INITIAL) { console.error("Must be in new state before drawing"); return undefined; } const { pdfPage } = this; if (!pdfPage) { this.renderingState = RenderingStates.FINISHED; throw new Error("pdfPage is not loaded"); } this.renderingState = 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 = RenderingStates.PAUSED; this.resume = () => { this.renderingState = 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 !== 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 = 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 #pageL10nArgs() { return JSON.stringify({ page: this.pageLabel ?? this.id }); } setPageLabel(label) { this.pageLabel = typeof label === "string" ? label : null; this.anchor.setAttribute("data-l10n-args", this.#pageL10nArgs); if (this.renderingState !== RenderingStates.FINISHED) { return; } this.image?.setAttribute("data-l10n-args", this.#pageL10nArgs); } } ;// CONCATENATED MODULE: ./web/pdf_thumbnail_viewer.js const THUMBNAIL_SCROLL_MARGIN = -19; const THUMBNAIL_SELECTED_CLASS = "selected"; class PDFThumbnailViewer { constructor({ container, eventBus, linkService, renderingQueue, pageColors }) { this.container = container; this.eventBus = eventBus; this.linkService = linkService; this.renderingQueue = renderingQueue; this.pageColors = pageColors || null; this.scroll = watchScroll(this.container, this.#scrollUpdated.bind(this)); this.#resetView(); } #scrollUpdated() { this.renderingQueue.renderHighestPriority(); } getThumbnail(index) { return this._thumbnails[index]; } #getVisibleThumbs() { return 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) { scrollIntoView(thumbnailView.div, { top: THUMBNAIL_SCROLL_MARGIN }); } } this._currentPageNumber = pageNumber; } get pagesRotation() { return this._pagesRotation; } set pagesRotation(rotation) { if (!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 !== RenderingStates.FINISHED) { thumbnail.reset(); } } 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({ intent: "display" }); firstPagePromise.then(firstPdfPage => { const pagesCount = pdfDocument.numPages; const viewport = firstPdfPage.getViewport({ scale: 1 }); for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { const thumbnail = new PDFThumbnailView({ container: this.container, eventBus: this.eventBus, id: pageNum, defaultViewport: viewport.clone(), optionalContentConfigPromise, linkService: this.linkService, renderingQueue: this.renderingQueue, 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; } } ;// CONCATENATED MODULE: ./web/annotation_editor_layer_builder.js class AnnotationEditorLayerBuilder { #annotationLayer = null; #drawLayer = null; #onAppend = null; #textLayer = null; #uiManager; constructor(options) { this.pdfPage = options.pdfPage; this.accessibilityManager = options.accessibilityManager; this.l10n = options.l10n; this.l10n ||= new genericl10n_GenericL10n(); this.annotationEditorLayer = null; this.div = null; this._cancelled = false; this.#uiManager = options.uiManager; this.#annotationLayer = options.annotationLayer || null; this.#textLayer = options.textLayer || null; this.#drawLayer = options.drawLayer || null; this.#onAppend = options.onAppend || null; } 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.hidden = true; div.dir = this.#uiManager.direction; this.#onAppend?.(div); this.annotationEditorLayer = new AnnotationEditorLayer({ uiManager: this.#uiManager, div, accessibilityManager: this.accessibilityManager, pageIndex: this.pdfPage.pageNumber - 1, l10n: this.l10n, viewport: clonedViewport, annotationLayer: this.#annotationLayer, textLayer: this.#textLayer, drawLayer: this.#drawLayer }); const parameters = { viewport: clonedViewport, div, annotations: null, intent }; this.annotationEditorLayer.render(parameters); this.show(); } cancel() { this._cancelled = true; if (!this.div) { return; } this.annotationEditorLayer.destroy(); } hide() { if (!this.div) { return; } this.div.hidden = true; } show() { if (!this.div || this.annotationEditorLayer.isInvisible) { return; } this.div.hidden = false; } } ;// CONCATENATED MODULE: ./web/annotation_layer_builder.js class AnnotationLayerBuilder { #onAppend = null; #eventAbortController = null; constructor({ pdfPage, linkService, downloadManager, annotationStorage = null, imageResourcesPath = "", renderForms = true, enableScripting = false, hasJSActionsPromise = null, fieldObjectsPromise = null, annotationCanvasMap = null, accessibilityManager = null, annotationEditorUIManager = null, onAppend = null }) { this.pdfPage = pdfPage; this.linkService = linkService; this.downloadManager = downloadManager; this.imageResourcesPath = imageResourcesPath; this.renderForms = renderForms; 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._annotationEditorUIManager = annotationEditorUIManager; this.#onAppend = onAppend; this.annotationLayer = null; this.div = null; this._cancelled = false; this._eventBus = linkService.eventBus; } async render(viewport, intent = "display") { if (this.div) { if (this._cancelled || !this.annotationLayer) { return; } this.annotationLayer.update({ viewport: viewport.clone({ dontFlip: true }) }); return; } const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({ intent }), this._hasJSActionsPromise, this._fieldObjectsPromise]); if (this._cancelled) { return; } const div = this.div = document.createElement("div"); div.className = "annotationLayer"; this.#onAppend?.(div); if (annotations.length === 0) { this.hide(); return; } this.annotationLayer = new AnnotationLayer({ div, accessibilityManager: this._accessibilityManager, annotationCanvasMap: this._annotationCanvasMap, annotationEditorUIManager: this._annotationEditorUIManager, page: this.pdfPage, viewport: viewport.clone({ dontFlip: true }) }); await this.annotationLayer.render({ annotations, imageResourcesPath: this.imageResourcesPath, renderForms: this.renderForms, linkService: this.linkService, downloadManager: this.downloadManager, annotationStorage: this.annotationStorage, enableScripting: this.enableScripting, hasJSActions, fieldObjects }); if (this.linkService.isInPresentationMode) { this.#updatePresentationModeState(PresentationModeState.FULLSCREEN); } if (!this.#eventAbortController) { this.#eventAbortController = new AbortController(); this._eventBus?._on("presentationmodechanged", evt => { this.#updatePresentationModeState(evt.state); }, { signal: this.#eventAbortController.signal }); } } cancel() { this._cancelled = true; this.#eventAbortController?.abort(); this.#eventAbortController = null; } hide() { if (!this.div) { return; } this.div.hidden = true; } #updatePresentationModeState(state) { if (!this.div) { return; } let disableFormElements = false; switch (state) { case PresentationModeState.FULLSCREEN: disableFormElements = true; break; case PresentationModeState.NORMAL: break; default: return; } for (const section of this.div.childNodes) { if (section.hasAttribute("data-internal-link")) { continue; } section.inert = disableFormElements; } } } ;// CONCATENATED MODULE: ./web/draw_layer_builder.js class DrawLayerBuilder { #drawLayer = null; constructor(options) { this.pageIndex = options.pageIndex; } async render(intent = "display") { if (intent !== "display" || this.#drawLayer || this._cancelled) { return; } this.#drawLayer = new DrawLayer({ pageIndex: this.pageIndex }); } cancel() { this._cancelled = true; if (!this.#drawLayer) { return; } this.#drawLayer.destroy(); this.#drawLayer = null; } setParent(parent) { this.#drawLayer?.setParent(parent); } getDrawLayer() { return this.#drawLayer; } } ;// CONCATENATED MODULE: ./web/struct_tree_layer_builder.js 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) { const { alt, id, lang } = structElement; if (alt !== undefined) { htmlElement.setAttribute("aria-label", removeNullCharacters(alt)); } if (id !== undefined) { htmlElement.setAttribute("aria-owns", id); } if (lang !== undefined) { htmlElement.setAttribute("lang", removeNullCharacters(lang, true)); } } #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; } } ;// CONCATENATED MODULE: ./web/text_accessibility.js 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 null; } if (!this.#enabled) { this.#waitingElements.set(element, isRemovable); return null; } if (isRemovable) { this.removePointerInTextLayer(element); } const children = this.#textChildren; if (!children || children.length === 0) { return null; } const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0); const nodeIndex = Math.max(0, index - 1); const child = children[nodeIndex]; this.#addIdToAriaOwns(id, child); this.#textNodes.set(id, nodeIndex); const parent = child.parentNode; return parent?.classList.contains("markedContent") ? parent.id : null; } moveElementInDOM(container, element, contentElement, isRemovable) { const id = this.addPointerInTextLayer(contentElement, isRemovable); if (!container.hasChildNodes()) { container.append(element); return id; } const children = Array.from(container.childNodes).filter(node => node !== element); if (children.length === 0) { return id; } const elementToCompare = contentElement || element; const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0); if (index === 0) { children[0].before(element); } else { children[index - 1].after(element); } return id; } } ;// CONCATENATED MODULE: ./web/text_highlighter.js class TextHighlighter { #eventAbortController = null; constructor({ findController, eventBus, pageIndex }) { this.findController = findController; this.matches = []; this.eventBus = eventBus; this.pageIdx = pageIndex; 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.#eventAbortController) { this.#eventAbortController = new AbortController(); this.eventBus._on("updatetextlayermatches", evt => { if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) { this._updateMatches(); } }, { signal: this.#eventAbortController.signal }); } this._updateMatches(); } disable() { if (!this.enabled) { return; } this.enabled = false; this.#eventAbortController?.abort(); this.#eventAbortController = 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); } } ;// CONCATENATED MODULE: ./web/text_layer_builder.js class TextLayerBuilder { #enablePermissions = false; #onAppend = null; #renderingDone = false; #textLayer = null; static #textLayers = new Map(); static #selectionChangeAbortController = null; constructor({ pdfPage, highlighter = null, accessibilityManager = null, enablePermissions = false, onAppend = null }) { this.pdfPage = pdfPage; this.highlighter = highlighter; this.accessibilityManager = accessibilityManager; this.#enablePermissions = enablePermissions === true; this.#onAppend = onAppend; this.div = document.createElement("div"); this.div.tabIndex = 0; this.div.className = "textLayer"; } #finishRendering() { this.#renderingDone = true; const endOfContent = document.createElement("div"); endOfContent.className = "endOfContent"; this.div.append(endOfContent); this.#bindMouse(endOfContent); } async render(viewport, textContentParams = null) { if (this.#renderingDone && this.#textLayer) { this.#textLayer.update({ viewport, onBefore: this.hide.bind(this) }); this.show(); return; } this.cancel(); this.#textLayer = new TextLayer({ textContentSource: this.pdfPage.streamTextContent(textContentParams || { includeMarkedContent: true, disableNormalization: true }), container: this.div, viewport }); const { textDivs, textContentItemsStr } = this.#textLayer; this.highlighter?.setTextMapping(textDivs, textContentItemsStr); this.accessibilityManager?.setTextMapping(textDivs); await this.#textLayer.render(); this.#finishRendering(); this.#onAppend?.(this.div); this.highlighter?.enable(); this.accessibilityManager?.enable(); } hide() { if (!this.div.hidden && this.#renderingDone) { this.highlighter?.disable(); this.div.hidden = true; } } show() { if (this.div.hidden && this.#renderingDone) { this.div.hidden = false; this.highlighter?.enable(); } } cancel() { this.#textLayer?.cancel(); this.#textLayer = null; this.highlighter?.disable(); this.accessibilityManager?.disable(); TextLayerBuilder.#removeGlobalSelectionListener(this.div); } #bindMouse(end) { const { div } = this; div.addEventListener("mousedown", evt => { end.classList.add("active"); }); div.addEventListener("copy", event => { if (!this.#enablePermissions) { const selection = document.getSelection(); event.clipboardData.setData("text/plain", removeNullCharacters(normalizeUnicode(selection.toString()))); } event.preventDefault(); event.stopPropagation(); }); TextLayerBuilder.#textLayers.set(div, end); TextLayerBuilder.#enableGlobalSelectionListener(); } static #removeGlobalSelectionListener(textLayerDiv) { this.#textLayers.delete(textLayerDiv); if (this.#textLayers.size === 0) { this.#selectionChangeAbortController?.abort(); this.#selectionChangeAbortController = null; } } static #enableGlobalSelectionListener() { if (this.#selectionChangeAbortController) { return; } this.#selectionChangeAbortController = new AbortController(); const { signal } = this.#selectionChangeAbortController; const reset = (end, textLayer) => { textLayer.append(end); end.style.width = ""; end.style.height = ""; end.classList.remove("active"); }; document.addEventListener("pointerup", () => { this.#textLayers.forEach(reset); }, { signal }); var isFirefox, prevRange; document.addEventListener("selectionchange", () => { const selection = document.getSelection(); if (selection.rangeCount === 0) { this.#textLayers.forEach(reset); return; } const activeTextLayers = new Set(); for (let i = 0; i < selection.rangeCount; i++) { const range = selection.getRangeAt(i); for (const textLayerDiv of this.#textLayers.keys()) { if (!activeTextLayers.has(textLayerDiv) && range.intersectsNode(textLayerDiv)) { activeTextLayers.add(textLayerDiv); } } } for (const [textLayerDiv, endDiv] of this.#textLayers) { if (activeTextLayers.has(textLayerDiv)) { endDiv.classList.add("active"); } else { reset(endDiv, textLayerDiv); } } isFirefox ??= getComputedStyle(this.#textLayers.values().next().value).getPropertyValue("-moz-user-select") === "none"; if (isFirefox) { return; } const range = selection.getRangeAt(0); const modifyStart = prevRange && (range.compareBoundaryPoints(Range.END_TO_END, prevRange) === 0 || range.compareBoundaryPoints(Range.START_TO_END, prevRange) === 0); let anchor = modifyStart ? range.startContainer : range.endContainer; if (anchor.nodeType === Node.TEXT_NODE) { anchor = anchor.parentNode; } const parentTextLayer = anchor.parentElement.closest(".textLayer"); const endDiv = this.#textLayers.get(parentTextLayer); if (endDiv) { endDiv.style.width = parentTextLayer.style.width; endDiv.style.height = parentTextLayer.style.height; anchor.parentElement.insertBefore(endDiv, modifyStart ? anchor : anchor.nextSibling); } prevRange = range.cloneRange(); }, { signal }); } } ;// CONCATENATED MODULE: ./web/pdf_page_view.js const DEFAULT_LAYER_PROPERTIES = null; const LAYERS_ORDER = new Map([["canvasWrapper", 0], ["textLayer", 1], ["annotationLayer", 2], ["annotationEditorLayer", 3], ["xfaLayer", 3]]); class PDFPageView { #annotationMode = AnnotationMode.ENABLE_FORMS; #hasRestrictedScaling = false; #layerProperties = null; #loadingId = null; #previousRotation = null; #renderError = null; #renderingState = RenderingStates.INITIAL; #textLayerMode = TextLayerMode.ENABLE; #useThumbnailCanvas = { directDrawing: true, initialOptionalContent: true, regularAnnotations: true }; #viewportMap = new WeakMap(); #layers = [null, null, null, null]; 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 || DEFAULT_SCALE; this.viewport = defaultViewport; this.pdfPageRotate = defaultViewport.rotation; this._optionalContentConfigPromise = options.optionalContentConfigPromise || null; this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE; this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS; this.imageResourcesPath = options.imageResourcesPath || ""; this.maxCanvasPixels = options.maxCanvasPixels ?? AppOptions.get("maxCanvasPixels"); this.pageColors = options.pageColors || null; this.eventBus = options.eventBus; this.renderingQueue = options.renderingQueue; this.l10n = options.l10n; this.l10n ||= new genericl10n_GenericL10n(); this.renderTask = null; this.resume = null; this._isStandalone = !this.renderingQueue?.hasViewer(); this._container = container; this._annotationCanvasMap = null; this.annotationLayer = null; this.annotationEditorLayer = null; this.textLayer = null; this.zoomLayer = null; this.xfaLayer = null; this.structTreeLayer = null; this.drawLayer = null; const div = document.createElement("div"); div.className = "page"; div.setAttribute("data-page-number", this.id); div.setAttribute("role", "region"); div.setAttribute("data-l10n-id", "pdfjs-page-landmark"); div.setAttribute("data-l10n-args", JSON.stringify({ page: this.id })); this.div = div; this.#setDimensions(); container?.append(div); if (this._isStandalone) { container?.style.setProperty("--scale-factor", this.scale * PixelsPerInch.PDF_TO_CSS_UNITS); const { optionalContentConfigPromise } = options; if (optionalContentConfigPromise) { optionalContentConfigPromise.then(optionalContentConfig => { if (optionalContentConfigPromise !== this._optionalContentConfigPromise) { return; } this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility; }); } if (!options.l10n) { this.l10n.translate(this.div); } } } #addLayer(div, name) { const pos = LAYERS_ORDER.get(name); const oldDiv = this.#layers[pos]; this.#layers[pos] = div; if (oldDiv) { oldDiv.replaceWith(div); return; } for (let i = pos - 1; i >= 0; i--) { const layer = this.#layers[i]; if (layer) { layer.after(div); return; } } this.div.prepend(div); } 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 RenderingStates.PAUSED: this.div.classList.remove("loading"); break; case RenderingStates.RUNNING: this.div.classList.add("loadingIcon"); this.#loadingId = setTimeout(() => { this.div.classList.add("loading"); this.#loadingId = null; }, 0); break; case RenderingStates.INITIAL: case 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; } setLayerDimensions(this.div, viewport, true, false); } setPdfPage(pdfPage) { if (this._isStandalone && (this.pageColors?.foreground === "CanvasText" || this.pageColors?.background === "Canvas")) { this._container?.style.setProperty("--hcm-highlight-filter", pdfPage.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight")); this._container?.style.setProperty("--hcm-highlight-selected-filter", pdfPage.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "Highlight")); } this.pdfPage = pdfPage; this.pdfPageRotate = pdfPage.rotate; const totalRotation = (this.rotation + this.pdfPageRotate) % 360; this.viewport = pdfPage.getViewport({ scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS, rotation: totalRotation }); this.#setDimensions(); this.reset(); } destroy() { this.reset(); this.pdfPage?.cleanup(); } get _textHighlighter() { return shadow(this, "_textHighlighter", new TextHighlighter({ pageIndex: this.id - 1, eventBus: this.eventBus, findController: this.#layerProperties.findController })); } #dispatchLayerRendered(name, error) { this.eventBus.dispatch(name, { source: this, pageNumber: this.id, error }); } async #renderAnnotationLayer() { let error = null; try { await this.annotationLayer.render(this.viewport, "display"); } catch (ex) { console.error(`#renderAnnotationLayer: "${ex}".`); error = ex; } finally { this.#dispatchLayerRendered("annotationlayerrendered", error); } } async #renderAnnotationEditorLayer() { let error = null; try { await this.annotationEditorLayer.render(this.viewport, "display"); } catch (ex) { console.error(`#renderAnnotationEditorLayer: "${ex}".`); error = ex; } finally { this.#dispatchLayerRendered("annotationeditorlayerrendered", error); } } async #renderDrawLayer() { try { await this.drawLayer.render("display"); } catch (ex) { console.error(`#renderDrawLayer: "${ex}".`); } } async #renderXfaLayer() { let error = null; try { const result = await this.xfaLayer.render(this.viewport, "display"); if (result?.textDivs && this._textHighlighter) { this.#buildXfaTextContentItems(result.textDivs); } } catch (ex) { console.error(`#renderXfaLayer: "${ex}".`); error = ex; } finally { if (this.xfaLayer?.div) { this.l10n.pause(); this.#addLayer(this.xfaLayer.div, "xfaLayer"); this.l10n.resume(); } this.#dispatchLayerRendered("xfalayerrendered", error); } } async #renderTextLayer() { if (!this.textLayer) { return; } let error = null; try { await this.textLayer.render(this.viewport); } catch (ex) { if (ex instanceof AbortException) { return; } console.error(`#renderTextLayer: "${ex}".`); error = ex; } this.#dispatchLayerRendered("textlayerrendered", error); this.#renderStructTreeLayer(); } async #renderStructTreeLayer() { if (!this.textLayer) { return; } this.structTreeLayer ||= new StructTreeLayerBuilder(); const tree = await (!this.structTreeLayer.renderingDone ? this.pdfPage.getStructTree() : null); const treeDom = this.structTreeLayer?.render(tree); if (treeDom) { this.l10n.pause(); this.canvas?.append(treeDom); this.l10n.resume(); } 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 = 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(); const layerIndex = this.#layers.indexOf(node); if (layerIndex >= 0) { this.#layers[layerIndex] = null; } } 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; }); } this.#useThumbnailCanvas.directDrawing = true; const totalRotation = (this.rotation + this.pdfPageRotate) % 360; this.viewport = this.viewport.clone({ scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS, rotation: totalRotation }); this.#setDimensions(); if (this._isStandalone) { this._container?.style.setProperty("--scale-factor", this.viewport.scale); } if (this.canvas) { let onlyCssZoom = false; if (this.#hasRestrictedScaling) { if (this.maxCanvasPixels === 0) { onlyCssZoom = true; } else if (this.maxCanvasPixels > 0) { const { width, height } = this.viewport; const { sx, sy } = this.outputScale; onlyCssZoom = (Math.floor(width) * sx | 0) * (Math.floor(height) * sy | 0) > this.maxCanvasPixels; } } const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000; if (postponeDrawing || onlyCssZoom) { if (postponeDrawing && !onlyCssZoom && this.renderingState !== RenderingStates.FINISHED) { this.cancelRendering({ keepZoomLayer: true, keepAnnotationLayer: true, keepAnnotationEditorLayer: true, keepXfaLayer: true, keepTextLayer: true, cancelExtraDelay: drawingDelay }); this.renderingState = RenderingStates.FINISHED; this.#useThumbnailCanvas.directDrawing = false; } this.cssTransform({ target: this.canvas, redrawAnnotationLayer: true, redrawAnnotationEditorLayer: true, redrawXfaLayer: true, redrawTextLayer: !postponeDrawing, hideTextLayer: postponeDrawing }); if (postponeDrawing) { return; } 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)) { if (this.drawLayer) { this.drawLayer.cancel(); this.drawLayer = null; } 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) { if (this.drawLayer) { this.#renderDrawLayer(); } 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 RenderingCancelledException) { this.#renderError = null; return; } this.#renderError = error; this.renderingState = 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 !== RenderingStates.INITIAL) { console.error("Must be in new state before drawing"); this.reset(); } const { div, l10n, pageColors, pdfPage, viewport } = this; if (!pdfPage) { this.renderingState = RenderingStates.FINISHED; throw new Error("pdfPage is not loaded"); } this.renderingState = RenderingStates.RUNNING; const canvasWrapper = document.createElement("div"); canvasWrapper.classList.add("canvasWrapper"); this.#addLayer(canvasWrapper, "canvasWrapper"); if (!this.textLayer && this.#textLayerMode !== TextLayerMode.DISABLE && !pdfPage.isPureXfa) { this._accessibilityManager ||= new TextAccessibilityManager(); this.textLayer = new TextLayerBuilder({ pdfPage, highlighter: this._textHighlighter, accessibilityManager: this._accessibilityManager, enablePermissions: this.#textLayerMode === TextLayerMode.ENABLE_PERMISSIONS, onAppend: textLayerDiv => { this.l10n.pause(); this.#addLayer(textLayerDiv, "textLayer"); this.l10n.resume(); } }); } if (!this.annotationLayer && this.#annotationMode !== AnnotationMode.DISABLE) { const { annotationStorage, annotationEditorUIManager, downloadManager, enableScripting, fieldObjectsPromise, hasJSActionsPromise, linkService } = this.#layerProperties; this._annotationCanvasMap ||= new Map(); this.annotationLayer = new AnnotationLayerBuilder({ pdfPage, annotationStorage, imageResourcesPath: this.imageResourcesPath, renderForms: this.#annotationMode === AnnotationMode.ENABLE_FORMS, linkService, downloadManager, enableScripting, hasJSActionsPromise, fieldObjectsPromise, annotationCanvasMap: this._annotationCanvasMap, accessibilityManager: this._accessibilityManager, annotationEditorUIManager, onAppend: annotationLayerDiv => { this.#addLayer(annotationLayerDiv, "annotationLayer"); } }); } const renderContinueCallback = cont => { showCanvas?.(false); if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) { this.renderingState = RenderingStates.PAUSED; this.resume = () => { this.renderingState = 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 OutputScale(); if (this.maxCanvasPixels === 0) { const invScale = 1 / this.scale; outputScale.sx *= invScale; outputScale.sy *= invScale; this.#hasRestrictedScaling = true; } else 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 = approximateFraction(outputScale.sx); const sfy = approximateFraction(outputScale.sy); canvas.width = roundToDivide(width * outputScale.sx, sfx[0]); canvas.height = roundToDivide(height * outputScale.sy, sfy[0]); const { style } = canvas; style.width = roundToDivide(width, sfx[1]) + "px"; style.height = 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 = 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(); } const { annotationEditorUIManager } = this.#layerProperties; if (!annotationEditorUIManager) { return; } this.drawLayer ||= new DrawLayerBuilder({ pageIndex: this.id }); await this.#renderDrawLayer(); this.drawLayer.setParent(canvasWrapper); if (!this.annotationEditorLayer) { this.annotationEditorLayer = new AnnotationEditorLayerBuilder({ uiManager: annotationEditorUIManager, pdfPage, l10n, accessibilityManager: this._accessibilityManager, annotationLayer: this.annotationLayer?.annotationLayer, textLayer: this.textLayer, drawLayer: this.drawLayer.getDrawLayer(), onAppend: annotationEditorLayerDiv => { this.#addLayer(annotationEditorLayerDiv, "annotationEditorLayer"); } }); } this.#renderAnnotationEditorLayer(); }, error => { if (!(error instanceof RenderingCancelledException)) { showCanvas?.(true); } return this.#finishRenderTask(renderTask, error); }); if (pdfPage.isPureXfa) { if (!this.xfaLayer) { const { annotationStorage, linkService } = this.#layerProperties; this.xfaLayer = new XfaLayerBuilder({ pdfPage, annotationStorage, linkService }); } 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; this.div.setAttribute("data-l10n-args", JSON.stringify({ page: this.pageLabel ?? this.id })); if (this.pageLabel !== null) { this.div.setAttribute("data-page-label", this.pageLabel); } else { this.div.removeAttribute("data-page-label"); } } get thumbnailCanvas() { const { directDrawing, initialOptionalContent, regularAnnotations } = this.#useThumbnailCanvas; return directDrawing && initialOptionalContent && regularAnnotations ? this.canvas : null; } } ;// CONCATENATED MODULE: ./web/pdf_viewer.js const DEFAULT_CACHE_SIZE = 10; const PagesCountLimit = { FORCE_SCROLL_MODE_PAGE: 15000, FORCE_LAZY_PAGE_INIT: 7500, PAUSE_EAGER_PAGE_INIT: 250 }; function isValidAnnotationEditorMode(mode) { return Object.values(AnnotationEditorType).includes(mode) && mode !== 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); } } class PDFViewer { #buffer = null; #altTextManager = null; #annotationEditorHighlightColors = null; #annotationEditorMode = AnnotationEditorType.NONE; #annotationEditorUIManager = null; #annotationMode = AnnotationMode.ENABLE_FORMS; #containerTopLeft = null; #enableHighlightFloatingButton = false; #enablePermissions = false; #eventAbortController = null; #mlManager = null; #getAllTextInProgress = false; #hiddenCopyElement = null; #interruptCopyCondition = false; #previousContainerHeight = 0; #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this)); #scrollModePageState = null; #scaleTimeoutId = null; #textLayerMode = TextLayerMode.ENABLE; constructor(options) { const viewerVersion = "4.3.136"; if (version !== viewerVersion) { throw new Error(`The API version "${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 SimpleLinkService(); this.downloadManager = options.downloadManager || null; this.findController = options.findController || null; this.#altTextManager = options.altTextManager || null; if (this.findController) { this.findController.onIsPageVisible = pageNumber => this._getVisiblePages().ids.has(pageNumber); } this._scriptingManager = options.scriptingManager || null; this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE; this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS; this.#annotationEditorMode = options.annotationEditorMode ?? AnnotationEditorType.NONE; this.#annotationEditorHighlightColors = options.annotationEditorHighlightColors || null; this.#enableHighlightFloatingButton = options.enableHighlightFloatingButton === true; this.imageResourcesPath = options.imageResourcesPath || ""; this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; this.removePageBorders = options.removePageBorders || false; this.maxCanvasPixels = options.maxCanvasPixels; this.l10n = options.l10n; this.l10n ||= new genericl10n_GenericL10n(); this.#enablePermissions = options.enablePermissions || false; this.pageColors = options.pageColors || null; this.#mlManager = options.mlManager || null; this.defaultRenderingQueue = !options.renderingQueue; if (this.defaultRenderingQueue) { this.renderingQueue = new PDFRenderingQueue(); this.renderingQueue.setViewer(this); } else { this.renderingQueue = options.renderingQueue; } this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this)); this.presentationModeState = PresentationModeState.UNKNOWN; 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(); } }); if (!options.l10n) { this.l10n.translate(this.container); } } get pagesCount() { return this._pages.length; } getPageView(index) { return this._pages[index]; } getCachedPageViews() { return new Set(this.#buffer); } get pageViewsReady() { return this._pages.every(pageView => pageView?.pdfPage); } get renderForms() { return this.#annotationMode === 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 !== UNKNOWN_SCALE ? this._currentScale : 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 (!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; } get _layerProperties() { const self = this; return shadow(this, "_layerProperties", { 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(PermissionFlag.COPY) && this.#textLayerMode === TextLayerMode.ENABLE) { params.textLayerMode = TextLayerMode.ENABLE_PERMISSIONS; } if (!permissions.includes(PermissionFlag.MODIFY_CONTENTS)) { params.annotationEditorMode = AnnotationEditorType.DISABLE; } if (!permissions.includes(PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === AnnotationMode.ENABLE_FORMS) { params.annotationMode = AnnotationMode.ENABLE; } return params; } async #onePageRenderedOrForceFetch(signal) { if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) { return; } const hiddenCapability = Promise.withResolvers(); function onVisibilityChange() { if (document.visibilityState === "hidden") { hiddenCapability.resolve(); } } document.addEventListener("visibilitychange", onVisibilityChange, { signal }); await Promise.race([this._onePageRenderedCapability.promise, hiddenCapability.promise]); document.removeEventListener("visibilitychange", onVisibilityChange); } 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(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 === 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({ intent: "display" }); const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve(); const { eventBus, pageColors, viewer } = this; this.#eventAbortController = new AbortController(); const { signal } = this.#eventAbortController; 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 = ScrollMode.PAGE; eventBus.dispatch("scrollmodechanged", { source: this, mode }); } this._pagesCapability.promise.then(() => { eventBus.dispatch("pagesloaded", { source: this, pagesCount }); }, () => {}); const onBeforeDraw = evt => { const pageView = this._pages[evt.pageNumber - 1]; if (!pageView) { return; } this.#buffer.push(pageView); }; eventBus._on("pagerender", onBeforeDraw, { signal }); const onAfterDraw = evt => { if (evt.cssTransform) { return; } this._onePageRenderedCapability.resolve({ timestamp: evt.timestamp }); eventBus._off("pagerendered", onAfterDraw); }; eventBus._on("pagerendered", onAfterDraw, { signal }); 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 !== TextLayerMode.DISABLE) { const element = this.#hiddenCopyElement = document.createElement("div"); element.id = "hiddenCopyElement"; viewer.before(element); } if (annotationEditorMode !== AnnotationEditorType.DISABLE) { const mode = annotationEditorMode; if (pdfDocument.isPureXfa) { console.warn("Warning: XFA-editing is not implemented."); } else if (isValidAnnotationEditorMode(mode)) { this.#annotationEditorUIManager = new AnnotationEditorUIManager(this.container, viewer, this.#altTextManager, eventBus, pdfDocument, pageColors, this.#annotationEditorHighlightColors, this.#enableHighlightFloatingButton, this.#mlManager); eventBus.dispatch("annotationeditoruimanager", { source: this, uiManager: this.#annotationEditorUIManager }); if (mode !== AnnotationEditorType.NONE) { this.#annotationEditorUIManager.updateMode(mode); } } else { console.error(`Invalid AnnotationEditor mode: ${mode}`); } } const viewerElement = this._scrollMode === ScrollMode.PAGE ? null : viewer; const scale = this.currentScale; const viewport = firstPdfPage.getViewport({ scale: scale * PixelsPerInch.PDF_TO_CSS_UNITS }); viewer.style.setProperty("--scale-factor", viewport.scale); if (pageColors?.foreground === "CanvasText" || pageColors?.background === "Canvas") { viewer.style.setProperty("--hcm-highlight-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight")); viewer.style.setProperty("--hcm-highlight-selected-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "ButtonText")); } for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { const pageView = new PDFPageView({ container: viewerElement, eventBus, id: pageNum, scale, defaultViewport: viewport.clone(), optionalContentConfigPromise, renderingQueue: this.renderingQueue, textLayerMode, annotationMode, imageResourcesPath: this.imageResourcesPath, maxCanvasPixels: this.maxCanvasPixels, pageColors, l10n: this.l10n, layerProperties: this._layerProperties }); this._pages.push(pageView); } this._pages[0]?.setPdfPage(firstPdfPage); if (this._scrollMode === ScrollMode.PAGE) { this.#ensurePageViewVisible(); } else if (this._spreadMode !== SpreadMode.NONE) { this._updateSpreadMode(); } this.#onePageRenderedOrForceFetch(signal).then(async () => { if (pdfDocument !== this.pdfDocument) { return; } this.findController?.setDocument(pdfDocument); this._scriptingManager?.setDocument(pdfDocument); if (this.#hiddenCopyElement) { document.addEventListener("copy", this.#copyCallback.bind(this, textLayerMode), { signal }); } if (this.#annotationEditorUIManager) { 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); } 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; } } }); eventBus.dispatch("pagesinit", { source: this }); pdfDocument.getMetadata().then(({ info }) => { if (pdfDocument !== this.pdfDocument) { return; } if (info.Language) { 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 = 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 = Promise.withResolvers(); this._onePageRenderedCapability = Promise.withResolvers(); this._pagesCapability = Promise.withResolvers(); this._scrollMode = ScrollMode.VERTICAL; this._previousScrollMode = ScrollMode.UNKNOWN; this._spreadMode = SpreadMode.NONE; this.#scrollModePageState = { previousPageNumber: 1, scrollDown: true, pages: [] }; this.#eventAbortController?.abort(); this.#eventAbortController = null; this.viewer.textContent = ""; this._updateScrollMode(); this.viewer.removeAttribute("lang"); this.#hiddenCopyElement?.remove(); this.#hiddenCopyElement = null; } #ensurePageViewVisible() { if (this._scrollMode !== 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 === 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 === 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 === ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) { pageSpot = { left: 0, top: 0 }; } } 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, origin = null }) { 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 * 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); } const previousScale = this._currentScale; 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 }); if (Array.isArray(origin)) { const scaleDiff = newScale / previousScale - 1; const [top, left] = this.containerTopLeft; this.container.scrollLeft += (origin[0] - left) * scaleDiff; this.container.scrollTop += (origin[1] - top) * scaleDiff; } } this.eventBus.dispatch("scalechanging", { source: this, scale: newScale, presetValue: preset ? newValue : undefined }); if (this.defaultRenderingQueue) { this.update(); } } get #pageWidthScaleFactor() { if (this._spreadMode !== SpreadMode.NONE && this._scrollMode !== 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 = SCROLLBAR_PADDING, vPadding = VERTICAL_PADDING; if (this.isInPresentationMode) { hPadding = vPadding = 4; if (this._spreadMode !== SpreadMode.NONE) { hPadding *= 2; } } else if (this.removePageBorders) { hPadding = vPadding = 0; } else if (this._scrollMode === 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 = isPortraitOrientation(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale); scale = Math.min(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: "${pageNumber}" is not a valid pageNumber parameter.`); return; } if (this.isInPresentationMode || !destArray) { this._setCurrentPageNumber(pageNumber, true); return; } let x = 0, y = 0; let width = 0, height = 0, widthScale, heightScale; const changeOrientation = pageView.rotation % 180 !== 0; const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS; const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS; let scale = 0; switch (destArray[1].name) { case "XYZ": x = destArray[2]; y = destArray[3]; scale = destArray[4]; x = x !== null ? x : 0; y = y !== null ? y : pageHeight; break; case "Fit": case "FitB": scale = "page-fit"; break; case "FitH": case "FitBH": y = destArray[2]; scale = "page-width"; if (y === null && this._location) { x = this._location.left; y = this._location.top; } else if (typeof y !== "number" || y < 0) { y = pageHeight; } break; case "FitV": case "FitBV": x = destArray[2]; width = pageWidth; height = pageHeight; scale = "page-height"; break; case "FitR": x = destArray[2]; y = destArray[3]; width = destArray[4] - x; height = destArray[5] - y; let hPadding = SCROLLBAR_PADDING, vPadding = VERTICAL_PADDING; if (this.removePageBorders) { hPadding = vPadding = 0; } widthScale = (this.container.clientWidth - hPadding) / width / PixelsPerInch.PDF_TO_CSS_UNITS; heightScale = (this.container.clientHeight - vPadding) / height / PixelsPerInch.PDF_TO_CSS_UNITS; scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); break; default: console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`); return; } if (!ignoreDestinationZoom) { if (scale && scale !== this._currentScale) { this.currentScaleValue = scale; } else if (this._currentScale === UNKNOWN_SCALE) { this.currentScaleValue = 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 === SpreadMode.NONE && (this._scrollMode === ScrollMode.PAGE || this._scrollMode === 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 === PresentationModeState.FULLSCREEN; } get isChangingPresentationMode() { return this.presentationModeState === 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 === ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages, horizontal = this._scrollMode === ScrollMode.HORIZONTAL, rtl = horizontal && this._isContainerRtl; return getVisibleElements({ scrollEl: this.container, views, sortByVisibility: true, horizontal, rtl }); } cleanup() { for (const pageView of this._pages) { if (pageView.renderingState !== 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); } 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 ScrollMode.PAGE: return this.#scrollModePageState.scrollDown; case 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 !== SpreadMode.NONE && this._scrollMode !== 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 = 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({ intent: "display" }); } 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 (!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 === ScrollMode.HORIZONTAL); viewer.classList.toggle("scrollWrapped", scrollMode === ScrollMode.WRAPPED); if (!this.pdfDocument || !pageNumber) { return; } if (scrollMode === ScrollMode.PAGE) { this.#ensurePageViewVisible(); } else if (this._previousScrollMode === 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 (!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 === ScrollMode.PAGE) { this.#ensurePageViewVisible(); } else { viewer.textContent = ""; if (this._spreadMode === 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 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 ScrollMode.HORIZONTAL: { break; } case ScrollMode.PAGE: case ScrollMode.VERTICAL: { if (this._spreadMode === 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; } updateScale({ drawingDelay, scaleFactor = null, steps = null, origin }) { if (steps === null && scaleFactor === null) { throw new Error("Invalid updateScale options: either `steps` or `scaleFactor` must be provided."); } if (!this.pdfDocument) { return; } let newScale = this._currentScale; if (scaleFactor > 0 && scaleFactor !== 1) { newScale = Math.round(newScale * scaleFactor * 100) / 100; } else if (steps) { const delta = steps > 0 ? DEFAULT_SCALE_DELTA : 1 / DEFAULT_SCALE_DELTA; const round = steps > 0 ? Math.ceil : Math.floor; steps = Math.abs(steps); do { newScale = round((newScale * delta).toFixed(2) * 10) / 10; } while (--steps > 0); } newScale = Math.max(MIN_SCALE, Math.min(MAX_SCALE, newScale)); this.#setScale(newScale, { noScroll: false, drawingDelay, origin }); } increaseScale(options = {}) { this.updateScale({ ...options, steps: options.steps ?? 1 }); } decreaseScale(options = {}) { this.updateScale({ ...options, steps: -(options.steps ?? 1) }); } #updateContainerHeightCss(height = this.container.clientHeight) { if (height !== this.#previousContainerHeight) { this.#previousContainerHeight = height; 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 : AnnotationEditorType.DISABLE; } set annotationEditorMode({ mode, editId = null, isFromKeyboard = false }) { 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, editId, isFromKeyboard); } 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(); } } } ;// CONCATENATED MODULE: ./web/secondary_toolbar.js class SecondaryToolbar { #opts; constructor(options, eventBus) { this.#opts = options; const 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: CursorTool.SELECT }, close: true }, { element: options.cursorHandToolButton, eventName: "switchcursortool", eventDetails: { tool: CursorTool.HAND }, close: true }, { element: options.scrollPageButton, eventName: "switchscrollmode", eventDetails: { mode: ScrollMode.PAGE }, close: true }, { element: options.scrollVerticalButton, eventName: "switchscrollmode", eventDetails: { mode: ScrollMode.VERTICAL }, close: true }, { element: options.scrollHorizontalButton, eventName: "switchscrollmode", eventDetails: { mode: ScrollMode.HORIZONTAL }, close: true }, { element: options.scrollWrappedButton, eventName: "switchscrollmode", eventDetails: { mode: ScrollMode.WRAPPED }, close: true }, { element: options.spreadNoneButton, eventName: "switchspreadmode", eventDetails: { mode: SpreadMode.NONE }, close: true }, { element: options.spreadOddButton, eventName: "switchspreadmode", eventDetails: { mode: SpreadMode.ODD }, close: true }, { element: options.spreadEvenButton, eventName: "switchspreadmode", eventDetails: { mode: SpreadMode.EVEN }, close: true }, { element: options.documentPropertiesButton, eventName: "documentproperties", close: true }]; buttons.push({ element: options.openFileButton, eventName: "openfile", close: true }); this.eventBus = eventBus; this.opened = false; this.#bindListeners(buttons); 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("switchcursortool", { source: this, reset: true }); this.#scrollModeChanged({ mode: ScrollMode.VERTICAL }); this.#spreadModeChanged({ mode: SpreadMode.NONE }); } #updateUIState() { const { firstPageButton, lastPageButton, pageRotateCwButton, pageRotateCcwButton } = this.#opts; firstPageButton.disabled = this.pageNumber <= 1; lastPageButton.disabled = this.pageNumber >= this.pagesCount; pageRotateCwButton.disabled = this.pagesCount === 0; pageRotateCcwButton.disabled = this.pagesCount === 0; } #bindListeners(buttons) { const { eventBus } = this; const { toggleButton } = this.#opts; toggleButton.addEventListener("click", this.toggle.bind(this)); for (const { element, eventName, close, eventDetails } of buttons) { element.addEventListener("click", evt => { if (eventName !== null) { eventBus.dispatch(eventName, { source: this, ...eventDetails }); } if (close) { this.close(); } eventBus.dispatch("reporttelemetry", { source: this, details: { type: "buttons", data: { id: element.id } } }); }); } eventBus._on("cursortoolchanged", this.#cursorToolChanged.bind(this)); eventBus._on("scrollmodechanged", this.#scrollModeChanged.bind(this)); eventBus._on("spreadmodechanged", this.#spreadModeChanged.bind(this)); } #cursorToolChanged({ tool }) { const { cursorSelectToolButton, cursorHandToolButton } = this.#opts; toggleCheckedBtn(cursorSelectToolButton, tool === CursorTool.SELECT); toggleCheckedBtn(cursorHandToolButton, tool === CursorTool.HAND); } #scrollModeChanged({ mode }) { const { scrollPageButton, scrollVerticalButton, scrollHorizontalButton, scrollWrappedButton, spreadNoneButton, spreadOddButton, spreadEvenButton } = this.#opts; toggleCheckedBtn(scrollPageButton, mode === ScrollMode.PAGE); toggleCheckedBtn(scrollVerticalButton, mode === ScrollMode.VERTICAL); toggleCheckedBtn(scrollHorizontalButton, mode === ScrollMode.HORIZONTAL); toggleCheckedBtn(scrollWrappedButton, mode === ScrollMode.WRAPPED); const forceScrollModePage = this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE; scrollPageButton.disabled = forceScrollModePage; scrollVerticalButton.disabled = forceScrollModePage; scrollHorizontalButton.disabled = forceScrollModePage; scrollWrappedButton.disabled = forceScrollModePage; const isHorizontal = mode === ScrollMode.HORIZONTAL; spreadNoneButton.disabled = isHorizontal; spreadOddButton.disabled = isHorizontal; spreadEvenButton.disabled = isHorizontal; } #spreadModeChanged({ mode }) { const { spreadNoneButton, spreadOddButton, spreadEvenButton } = this.#opts; toggleCheckedBtn(spreadNoneButton, mode === SpreadMode.NONE); toggleCheckedBtn(spreadOddButton, mode === SpreadMode.ODD); toggleCheckedBtn(spreadEvenButton, mode === SpreadMode.EVEN); } open() { if (this.opened) { return; } this.opened = true; const { toggleButton, toolbar } = this.#opts; toggleExpandedBtn(toggleButton, true, toolbar); } close() { if (!this.opened) { return; } this.opened = false; const { toggleButton, toolbar } = this.#opts; toggleExpandedBtn(toggleButton, false, toolbar); } toggle() { if (this.opened) { this.close(); } else { this.open(); } } } ;// CONCATENATED MODULE: ./web/toolbar.js class Toolbar { #opts; constructor(options, eventBus) { this.#opts = options; this.eventBus = eventBus; const 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") ? AnnotationEditorType.NONE : AnnotationEditorType.FREETEXT; } } }, { element: options.editorHighlightButton, eventName: "switchannotationeditormode", eventDetails: { get mode() { const { classList } = options.editorHighlightButton; return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.HIGHLIGHT; } } }, { element: options.editorInkButton, eventName: "switchannotationeditormode", eventDetails: { get mode() { const { classList } = options.editorInkButton; return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.INK; } } }, { element: options.editorStampButton, eventName: "switchannotationeditormode", eventDetails: { get mode() { const { classList } = options.editorStampButton; return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.STAMP; } } }]; this.#bindListeners(buttons); if (options.editorHighlightColorPicker) { eventBus._on("annotationeditoruimanager", ({ uiManager }) => { this.#setAnnotationEditorUIManager(uiManager, options.editorHighlightColorPicker); }, { once: true }); } eventBus._on("showannotationeditorui", ({ mode }) => { switch (mode) { case AnnotationEditorType.HIGHLIGHT: options.editorHighlightButton.click(); break; } }); this.reset(); } #setAnnotationEditorUIManager(uiManager, parentContainer) { const colorPicker = new ColorPicker({ uiManager }); uiManager.setMainHighlightColorPicker(colorPicker); parentContainer.append(colorPicker.renderMainDropdown()); } 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 = DEFAULT_SCALE_VALUE; this.pageScale = DEFAULT_SCALE; this.#updateUIState(true); this.updateLoadingIndicatorState(); this.#editorModeChanged({ mode: AnnotationEditorType.DISABLE }); } #bindListeners(buttons) { const { eventBus } = this; const { pageNumber, scaleSelect } = this.#opts; const self = this; for (const { element, eventName, eventDetails } of buttons) { element.addEventListener("click", evt => { if (eventName !== null) { eventBus.dispatch(eventName, { source: this, ...eventDetails, isFromKeyboard: evt.detail === 0 }); } }); } pageNumber.addEventListener("click", function () { this.select(); }); pageNumber.addEventListener("change", function () { eventBus.dispatch("pagenumberchanged", { source: self, value: this.value }); }); scaleSelect.addEventListener("change", function () { if (this.value === "custom") { return; } eventBus.dispatch("scalechanged", { source: self, value: this.value }); }); scaleSelect.addEventListener("click", function ({ target }) { if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") { this.blur(); } }); scaleSelect.oncontextmenu = noContextMenu; eventBus._on("annotationeditormodechanged", this.#editorModeChanged.bind(this)); } #editorModeChanged({ mode }) { const { editorFreeTextButton, editorFreeTextParamsToolbar, editorHighlightButton, editorHighlightParamsToolbar, editorInkButton, editorInkParamsToolbar, editorStampButton, editorStampParamsToolbar } = this.#opts; toggleCheckedBtn(editorFreeTextButton, mode === AnnotationEditorType.FREETEXT, editorFreeTextParamsToolbar); toggleCheckedBtn(editorHighlightButton, mode === AnnotationEditorType.HIGHLIGHT, editorHighlightParamsToolbar); toggleCheckedBtn(editorInkButton, mode === AnnotationEditorType.INK, editorInkParamsToolbar); toggleCheckedBtn(editorStampButton, mode === AnnotationEditorType.STAMP, editorStampParamsToolbar); const isDisable = mode === AnnotationEditorType.DISABLE; editorFreeTextButton.disabled = isDisable; editorHighlightButton.disabled = isDisable; editorInkButton.disabled = isDisable; editorStampButton.disabled = isDisable; } #updateUIState(resetNumPages = false) { const { pageNumber, pagesCount, pageScaleValue, pageScale } = this; const opts = this.#opts; if (resetNumPages) { if (this.hasPageLabels) { opts.pageNumber.type = "text"; opts.numPages.setAttribute("data-l10n-id", "pdfjs-page-of-pages"); } else { opts.pageNumber.type = "number"; opts.numPages.setAttribute("data-l10n-id", "pdfjs-of-pages"); opts.numPages.setAttribute("data-l10n-args", JSON.stringify({ pagesCount })); } opts.pageNumber.max = pagesCount; } if (this.hasPageLabels) { opts.pageNumber.value = this.pageLabel; opts.numPages.setAttribute("data-l10n-args", JSON.stringify({ pageNumber, pagesCount })); } else { opts.pageNumber.value = pageNumber; } opts.previous.disabled = pageNumber <= 1; opts.next.disabled = pageNumber >= pagesCount; opts.zoomOut.disabled = pageScale <= MIN_SCALE; opts.zoomIn.disabled = pageScale >= MAX_SCALE; let predefinedValueFound = false; for (const option of opts.scaleSelect.options) { if (option.value !== pageScaleValue) { option.selected = false; continue; } option.selected = true; predefinedValueFound = true; } if (!predefinedValueFound) { opts.customScaleOption.selected = true; opts.customScaleOption.setAttribute("data-l10n-args", JSON.stringify({ scale: Math.round(pageScale * 10000) / 100 })); } } updateLoadingIndicatorState(loading = false) { const { pageNumber } = this.#opts; pageNumber.classList.toggle("loading", loading); } } ;// CONCATENATED MODULE: ./web/view_history.js 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; } } ;// CONCATENATED MODULE: ./web/app.js const FORCE_PAGES_LOADED_TIMEOUT = 10000; const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000; const ViewOnLoad = { UNKNOWN: -1, PREVIOUS: 0, INITIAL: 1 }; const PDFViewerApplication = { initialBookmark: document.location.hash.substring(1), _initializedCapability: { ...Promise.withResolvers(), settled: false }, appConfig: null, pdfDocument: null, pdfLoadingTask: null, printService: null, pdfViewer: null, pdfThumbnailViewer: null, pdfRenderingQueue: null, pdfPresentationMode: null, pdfDocumentProperties: null, pdfLinkService: null, pdfHistory: null, pdfSidebar: null, 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: "", _eventBusAbortController: null, _windowAbortController: 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, _caretBrowsing: null, _isScrolling: false, async initialize(appConfig) { let l10nPromise; this.appConfig = appConfig; try { await this.preferences.initializedPromise; } catch (ex) { console.error(`initialize: "${ex.message}".`); } if (AppOptions.get("pdfBugEnabled")) { await this._parseHashParams(); } let mode; switch (AppOptions.get("viewerCssTheme")) { case 1: mode = "is-light"; break; case 2: mode = "is-dark"; break; } if (mode) { document.documentElement.classList.add(mode); } l10nPromise = this.externalServices.createL10n(); this.l10n = await l10nPromise; document.getElementsByTagName("html")[0].dir = this.l10n.getDirection(); this.l10n.translate(appConfig.appContainer || document.documentElement); if (this.isViewerEmbedded && AppOptions.get("externalLinkTarget") === LinkTarget.NONE) { AppOptions.set("externalLinkTarget", LinkTarget.TOP); } await this._initializeViewerComponents(); this.bindEvents(); this.bindWindowEvents(); this._initializedCapability.settled = true; this._initializedCapability.resolve(); }, async _parseHashParams() { const hash = document.location.hash.substring(1); if (!hash) { return; } const { mainContainer, viewerContainer } = this.appConfig, params = parseQueryString(hash); const loadPDFBug = async () => { if (this._PDFBug) { return; } const { PDFBug } = await import( /*webpackIgnore: true*/AppOptions.get("debuggerSrc")); this._PDFBug = PDFBug; }; if (params.get("disableworker") === "true") { try { GlobalWorkerOptions.workerSrc ||= AppOptions.get("workerSrc"); await import( /*webpackIgnore: true*/PDFWorker.workerSrc); } catch (ex) { console.error(`_parseHashParams: "${ex.message}".`); } } if (params.has("disablerange")) { AppOptions.set("disableRange", params.get("disablerange") === "true"); } if (params.has("disablestream")) { AppOptions.set("disableStream", params.get("disablestream") === "true"); } if (params.has("disableautofetch")) { AppOptions.set("disableAutoFetch", params.get("disableautofetch") === "true"); } if (params.has("disablefontface")) { AppOptions.set("disableFontFace", params.get("disablefontface") === "true"); } if (params.has("disablehistory")) { AppOptions.set("disableHistory", params.get("disablehistory") === "true"); } if (params.has("verbosity")) { AppOptions.set("verbosity", params.get("verbosity") | 0); } if (params.has("textlayer")) { switch (params.get("textlayer")) { case "off": AppOptions.set("textLayerMode", TextLayerMode.DISABLE); break; case "visible": case "shadow": case "hover": viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`); try { await loadPDFBug(); this._PDFBug.loadCSS(); } catch (ex) { console.error(`_parseHashParams: "${ex.message}".`); } break; } } if (params.has("pdfbug")) { AppOptions.setAll({ pdfBug: true, fontExtraProperties: true }); const enabled = params.get("pdfbug").split(","); try { await loadPDFBug(); this._PDFBug.init(mainContainer, enabled); } catch (ex) { console.error(`_parseHashParams: "${ex.message}".`); } } if (params.has("locale")) { AppOptions.set("locale", params.get("locale")); } }, async _initializeViewerComponents() { const { appConfig, externalServices, l10n } = this; const eventBus = AppOptions.get("isInAutomation") ? new AutomationEventBus() : new EventBus(); this.eventBus = eventBus; this.overlayManager = new OverlayManager(); const pdfRenderingQueue = new PDFRenderingQueue(); pdfRenderingQueue.onIdle = this._cleanup.bind(this); this.pdfRenderingQueue = pdfRenderingQueue; const pdfLinkService = new PDFLinkService({ eventBus, externalLinkTarget: AppOptions.get("externalLinkTarget"), externalLinkRel: AppOptions.get("externalLinkRel"), ignoreDestinationZoom: AppOptions.get("ignoreDestinationZoom") }); this.pdfLinkService = pdfLinkService; const downloadManager = this.downloadManager = new DownloadManager(); const findController = new PDFFindController({ linkService: pdfLinkService, eventBus, updateMatchesCountOnProgress: true }); this.findController = findController; const pdfScriptingManager = new PDFScriptingManager({ eventBus, externalServices, docProperties: this._scriptingDocProperties.bind(this) }); this.pdfScriptingManager = pdfScriptingManager; const container = appConfig.mainContainer, viewer = appConfig.viewerContainer; const annotationEditorMode = AppOptions.get("annotationEditorMode"); const pageColors = AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches ? { background: AppOptions.get("pageColorsBackground"), foreground: AppOptions.get("pageColorsForeground") } : null; const altTextManager = appConfig.altTextDialog ? new AltTextManager(appConfig.altTextDialog, container, this.overlayManager, eventBus) : null; const pdfViewer = new PDFViewer({ container, viewer, eventBus, renderingQueue: pdfRenderingQueue, linkService: pdfLinkService, downloadManager, altTextManager, findController, scriptingManager: AppOptions.get("enableScripting") && pdfScriptingManager, l10n, textLayerMode: AppOptions.get("textLayerMode"), annotationMode: AppOptions.get("annotationMode"), annotationEditorMode, annotationEditorHighlightColors: AppOptions.get("highlightEditorColors"), enableHighlightFloatingButton: AppOptions.get("enableHighlightFloatingButton"), imageResourcesPath: AppOptions.get("imageResourcesPath"), enablePrintAutoRotate: AppOptions.get("enablePrintAutoRotate"), maxCanvasPixels: AppOptions.get("maxCanvasPixels"), enablePermissions: AppOptions.get("enablePermissions"), pageColors, mlManager: this.mlManager }); this.pdfViewer = pdfViewer; pdfRenderingQueue.setViewer(pdfViewer); pdfLinkService.setViewer(pdfViewer); pdfScriptingManager.setViewer(pdfViewer); if (appConfig.sidebar?.thumbnailView) { this.pdfThumbnailViewer = new PDFThumbnailViewer({ container: appConfig.sidebar.thumbnailView, eventBus, renderingQueue: pdfRenderingQueue, linkService: pdfLinkService, pageColors }); pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer); } if (!this.isViewerEmbedded && !AppOptions.get("disableHistory")) { this.pdfHistory = new PDFHistory({ linkService: pdfLinkService, eventBus }); pdfLinkService.setHistory(this.pdfHistory); } if (!this.supportsIntegratedFind && appConfig.findBar) { this.findBar = new PDFFindBar(appConfig.findBar, eventBus); } if (appConfig.annotationEditorParams) { if (annotationEditorMode !== AnnotationEditorType.DISABLE) { if (AppOptions.get("enableStampEditor")) { appConfig.toolbar?.editorStampButton?.classList.remove("hidden"); } const editorHighlightButton = appConfig.toolbar?.editorHighlightButton; if (editorHighlightButton && AppOptions.get("enableHighlightEditor")) { editorHighlightButton.hidden = false; } this.annotationEditorParams = new AnnotationEditorParams(appConfig.annotationEditorParams, eventBus); } else { for (const id of ["editorModeButtons", "editorModeSeparator"]) { document.getElementById(id)?.classList.add("hidden"); } } } if (appConfig.documentProperties) { this.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, l10n, () => this._docFilename); } if (appConfig.secondaryToolbar?.cursorHandToolButton) { this.pdfCursorTools = new PDFCursorTools({ container, eventBus, cursorToolOnLoad: AppOptions.get("cursorToolOnLoad") }); } if (appConfig.toolbar) { this.toolbar = new Toolbar(appConfig.toolbar, eventBus); } if (appConfig.secondaryToolbar) { this.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, eventBus); } if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) { this.pdfPresentationMode = new PDFPresentationMode({ container, pdfViewer, eventBus }); } if (appConfig.passwordOverlay) { this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.isViewerEmbedded); } if (appConfig.sidebar?.outlineView) { this.pdfOutlineViewer = new PDFOutlineViewer({ container: appConfig.sidebar.outlineView, eventBus, l10n, linkService: pdfLinkService, downloadManager }); } if (appConfig.sidebar?.attachmentsView) { this.pdfAttachmentViewer = new PDFAttachmentViewer({ container: appConfig.sidebar.attachmentsView, eventBus, l10n, downloadManager }); } if (appConfig.sidebar?.layersView) { this.pdfLayerViewer = new PDFLayerViewer({ container: appConfig.sidebar.layersView, eventBus, l10n }); } if (appConfig.sidebar) { this.pdfSidebar = new 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 === RenderingStates.FINISHED) { this.pdfThumbnailViewer.getThumbnail(pageView.id - 1)?.setImage(pageView); } } this.pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber); }; } }, async run(config) { this.preferences = new Preferences(); await this.initialize(config); const { appConfig, eventBus } = this; let file; const queryString = document.location.search.substring(1); const params = parseQueryString(queryString); file = params.get("file") ?? AppOptions.get("defaultUrl"); validateFileURL(file); const fileInput = this._openFileInput = document.createElement("input"); fileInput.id = "fileInput"; fileInput.hidden = true; fileInput.type = "file"; fileInput.value = null; document.body.append(fileInput); 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 (!AppOptions.get("supportsDocumentFonts")) { AppOptions.set("disableFontFace", true); this.l10n.get("pdfjs-web-fonts-disabled").then(msg => { console.warn(msg); }); } if (!this.supportsPrinting) { appConfig.toolbar?.print?.classList.add("hidden"); appConfig.secondaryToolbar?.printButton.classList.add("hidden"); } if (!this.supportsFullscreen) { appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden"); } if (this.supportsIntegratedFind) { appConfig.toolbar?.viewFind?.classList.add("hidden"); } if (file) { this.open({ url: file }); } else { this._hideViewBookmark(); } }, get externalServices() { return shadow(this, "externalServices", new ExternalServices()); }, get mlManager() { return shadow(this, "mlManager", AppOptions.get("enableML") === true ? new MLManager() : null); }, get initialized() { return this._initializedCapability.settled; }, get initializedPromise() { return this._initializedCapability.promise; }, updateZoom(steps, scaleFactor, origin) { if (this.pdfViewer.isInPresentationMode) { return; } this.pdfViewer.updateScale({ drawingDelay: AppOptions.get("defaultZoomDelay"), steps, scaleFactor, origin }); }, zoomIn() { this.updateZoom(1); }, zoomOut() { this.updateZoom(-1); }, zoomReset() { if (this.pdfViewer.isInPresentationMode) { return; } this.pdfViewer.currentScaleValue = 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.supportsPrinting; }, get supportsFullscreen() { return shadow(this, "supportsFullscreen", document.fullscreenEnabled); }, get supportsPinchToZoom() { return shadow(this, "supportsPinchToZoom", AppOptions.get("supportsPinchToZoom")); }, get supportsIntegratedFind() { return shadow(this, "supportsIntegratedFind", AppOptions.get("supportsIntegratedFind")); }, get loadingBar() { const barElement = document.getElementById("loadingBar"); const bar = barElement ? new ProgressBar(barElement) : null; return shadow(this, "loadingBar", bar); }, get supportsMouseWheelZoomCtrlKey() { return shadow(this, "supportsMouseWheelZoomCtrlKey", AppOptions.get("supportsMouseWheelZoomCtrlKey")); }, get supportsMouseWheelZoomMetaKey() { return shadow(this, "supportsMouseWheelZoomMetaKey", AppOptions.get("supportsMouseWheelZoomMetaKey")); }, get supportsCaretBrowsingMode() { return AppOptions.get("supportsCaretBrowsingMode"); }, moveCaret(isUp, select) { this._caretBrowsing ||= new CaretBrowsingMode(this.appConfig.mainContainer, this.appConfig.viewerContainer, this.appConfig.toolbar?.container); this._caretBrowsing.moveCaret(isUp, select); }, setTitleUsingUrl(url = "", downloadUrl = null) { this.url = url; this.baseUrl = url.split("#", 1)[0]; if (downloadUrl) { this._downloadUrl = downloadUrl === url ? this.baseUrl : downloadUrl.split("#", 1)[0]; } if (isDataScheme(url)) { this._hideViewBookmark(); } let title = pdfjs_getPdfFilenameFromUrl(url, ""); if (!title) { try { title = decodeURIComponent(getFilenameFromUrl(url)) || url; } catch { 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 || pdfjs_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 {} } 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.passwordPrompt.close()); 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) { if (this.pdfLoadingTask) { await this.close(); } const workerParams = AppOptions.getAll(OptionKind.WORKER); Object.assign(GlobalWorkerOptions, workerParams); if (args.url) { this.setTitleUsingUrl(args.originalUrl || args.url, args.url); } const apiParams = AppOptions.getAll(OptionKind.API); const loadingTask = getDocument({ ...apiParams, ...args }); 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 = "pdfjs-loading-error"; if (reason instanceof InvalidPDFException) { key = "pdfjs-invalid-file-error"; } else if (reason instanceof MissingPDFException) { key = "pdfjs-missing-file-error"; } else if (reason instanceof UnexpectedResponseException) { key = "pdfjs-unexpected-response-error"; } return this._documentError(key, { message: reason.message }).then(() => { throw reason; }); }); }, _ensureDownloadComplete() { if (this.pdfDocument && this.downloadComplete) { return; } throw new Error("PDF document not downloaded."); }, async download(options = {}) { if (location.hash) { let hash = location.hash; let hashParams = new URLSearchParams(hash.substring(1)); if(hashParams.get('key') !== null) { hashParams = '#' + atob(hashParams.get('key')); hashParams = new URLSearchParams(hashParams.substring(1)); } const element = document.querySelector('#download'); if((hashParams.get('download') === 'false' || hashParams.get('download') === '') || element.offsetParent === null){ return false; } } // added by EP developer 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 { await this.downloadManager.downloadUrl(url, filename, options); } }, async save(options = {}) { if (location.hash) { let hash = location.hash; let hashParams = new URLSearchParams(hash.substring(1)); if(hashParams.get('key') !== null) { hashParams = '#' + atob(hashParams.get('key')); hashParams = new URLSearchParams(hashParams.substring(1)); } else{ return false; } const element = document.querySelector('#download'); if((hashParams.get('download') === 'false' || hashParams.get('download') === '') || element.offsetParent === null){ return false; } }// added by EP developer 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: ${reason.message}`); await this.download(options); } finally { await this.pdfScriptingManager.dispatchDidSave(); this._saveInProgress = false; } if (this._hasAnnotationEditors) { this.externalServices.reportTelemetry({ type: "editing", data: { type: "save", stats: this.pdfDocument?.annotationStorage.editorStats } }); } }, downloadOrSave(options = {}) { if (this.pdfDocument?.annotationStorage.size > 0) { this.save(options); } else { this.download(options); } }, async _documentError(key, moreInfo = null) { this._unblockDocumentLoadEvent(); const message = await this._otherError(key || "pdfjs-loading-error", moreInfo); this.eventBus.dispatch("documenterror", { source: this, message, reason: moreInfo?.message ?? null }); }, async _otherError(key, moreInfo = null) { const message = await this.l10n.get(key); const moreInfoText = [`PDF.js v${version || "?"} (build: ${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")}`); return message; }, 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 ?? 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(() => {}); const pageModePromise = pdfDocument.getPageMode().catch(() => {}); const openActionPromise = pdfDocument.getOpenAction().catch(() => {}); 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 ViewHistory(pdfDocument.fingerprints[0])).getMultiple({ page: null, zoom: DEFAULT_SCALE_VALUE, scrollLeft: "0", scrollTop: "0", rotation: null, sidebarView: SidebarView.UNKNOWN, scrollMode: ScrollMode.UNKNOWN, spreadMode: SpreadMode.UNKNOWN }).catch(() => {}); firstPagePromise.then(pdfPage => { this.loadingBar?.setWidth(this.appConfig.viewerContainer); this._initializeAnnotationStorageCallbacks(pdfDocument); Promise.all([animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => { const viewOnLoad = AppOptions.get("viewOnLoad"); this._initializePdfHistory({ fingerprint: pdfDocument.fingerprints[0], viewOnLoad, initialDest: openAction?.dest }); const initialBookmark = this.initialBookmark; const zoom = AppOptions.get("defaultZoomValue"); let hash = zoom ? `zoom=${zoom}` : null; let rotation = null; let sidebarView = AppOptions.get("sidebarViewOnLoad"); let scrollMode = AppOptions.get("scrollModeOnLoad"); let spreadMode = 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 === SidebarView.UNKNOWN) { sidebarView = stored.sidebarView | 0; } if (scrollMode === ScrollMode.UNKNOWN) { scrollMode = stored.scrollMode | 0; } if (spreadMode === SpreadMode.UNKNOWN) { spreadMode = stored.spreadMode | 0; } } if (pageMode && sidebarView === SidebarView.UNKNOWN) { sidebarView = apiPageModeToSidebarView(pageMode); } if (pageLayout && scrollMode === ScrollMode.UNKNOWN && spreadMode === SpreadMode.UNKNOWN) { const modes = 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._documentError("pdfjs-loading-error", { 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, jsActions] = await Promise.all([openActionPromise, this.pdfViewer.enableScripting ? null : pdfDocument.getJSActions()]); if (pdfDocument !== this.pdfDocument) { return; } let triggerAutoPrint = openAction?.action === "Print"; if (jsActions) { console.warn("Warning: JavaScript support is not enabled"); for (const name in jsActions) { if (triggerAutoPrint) { break; } switch (name) { case "WillClose": case "WillSave": case "DidSave": case "WillPrint": case "DidPrint": continue; } triggerAutoPrint = jsActions[name].some(js => AutoPrintRegExp.test(js)); } } 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: ${version || "?"} [${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 || 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: 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(); }; }, setInitialView(storedHash, { rotation, sidebarView, scrollMode, spreadMode } = {}) { const setRotation = angle => { if (isValidRotation(angle)) { this.pdfViewer.pagesRotation = angle; } }; const setViewerModes = (scroll, spread) => { if (isValidScrollMode(scroll)) { this.pdfViewer.scrollMode = scroll; } if (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 = DEFAULT_SCALE_VALUE; } }, _cleanup() { if (!this.pdfDocument) { return; } this.pdfViewer.cleanup(); this.pdfThumbnailViewer?.cleanup(); this.pdfDocument.cleanup(AppOptions.get("fontExtraProperties")); }, forceRendering() { this.pdfRenderingQueue.printing = !!this.printService; this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === SidebarView.THUMBS; this.pdfRenderingQueue.renderHighestPriority(); }, beforePrint() { if (location.hash) { let hash = location.hash; let hashParams = new URLSearchParams(hash.substring(1)); if(hashParams.get('key') !== null) { hashParams = '#' + atob(hashParams.get('key')); hashParams = new URLSearchParams(hashParams.substring(1)); } const element = document.querySelector('#download'); if((hashParams.get('download') === 'false' || hashParams.get('download') === '') || element.offsetParent === null){ return false; } } // added by EP developer this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => {}).then(() => this.pdfDocument?.annotationStorage.print); if (this.printService) { return; } if (!this.supportsPrinting) { this._otherError("pdfjs-printing-not-supported"); return; } if (!this.pdfViewer.pageViewsReady) { this.l10n.get("pdfjs-printing-not-ready").then(msg => { window.alert(msg); }); return; } this.printService = PDFPrintServiceFactory.createPrintService({ pdfDocument: this.pdfDocument, pagesOverview: this.pdfViewer.getPagesOverview(), printContainer: this.appConfig.printContainer, printResolution: AppOptions.get("printResolution"), printAnnotationStoragePromise: this._printAnnotationStoragePromise }); this.forceRendering(); this.setTitle(); this.printService.layout(); if (this._hasAnnotationEditors) { this.externalServices.reportTelemetry({ type: "editing", data: { type: "print", stats: this.pdfDocument?.annotationStorage.editorStats } }); } }, afterPrint() { if (location.hash) { let hash = location.hash; let hashParams = new URLSearchParams(hash.substring(1)); if(hashParams.get('key') !== null) { hashParams = '#' + atob(hashParams.get('key')); hashParams = new URLSearchParams(hashParams.substring(1)); } if(hashParams.get('download') === 'false' || hashParams.get('download') === ''){ return false; } } // added by EP developer 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() { if (this._eventBusAbortController) { return; } this._eventBusAbortController = new AbortController(); const { eventBus, _eventBusAbortController: { signal } } = this; eventBus._on("resize", webViewerResize, { signal }); eventBus._on("hashchange", webViewerHashchange, { signal }); eventBus._on("beforeprint", this.beforePrint.bind(this), { signal }); eventBus._on("afterprint", this.afterPrint.bind(this), { signal }); eventBus._on("pagerender", webViewerPageRender, { signal }); eventBus._on("pagerendered", webViewerPageRendered, { signal }); eventBus._on("updateviewarea", webViewerUpdateViewarea, { signal }); eventBus._on("pagechanging", webViewerPageChanging, { signal }); eventBus._on("scalechanging", webViewerScaleChanging, { signal }); eventBus._on("rotationchanging", webViewerRotationChanging, { signal }); eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged, { signal }); eventBus._on("pagemode", webViewerPageMode, { signal }); eventBus._on("namedaction", webViewerNamedAction, { signal }); eventBus._on("presentationmodechanged", webViewerPresentationModeChanged, { signal }); eventBus._on("presentationmode", webViewerPresentationMode, { signal }); eventBus._on("switchannotationeditormode", webViewerSwitchAnnotationEditorMode, { signal }); eventBus._on("switchannotationeditorparams", webViewerSwitchAnnotationEditorParams, { signal }); eventBus._on("print", webViewerPrint, { signal }); eventBus._on("download", webViewerDownload, { signal }); eventBus._on("firstpage", webViewerFirstPage, { signal }); eventBus._on("lastpage", webViewerLastPage, { signal }); eventBus._on("nextpage", webViewerNextPage, { signal }); eventBus._on("previouspage", webViewerPreviousPage, { signal }); eventBus._on("zoomin", webViewerZoomIn, { signal }); eventBus._on("zoomout", webViewerZoomOut, { signal }); eventBus._on("zoomreset", webViewerZoomReset, { signal }); eventBus._on("pagenumberchanged", webViewerPageNumberChanged, { signal }); eventBus._on("scalechanged", webViewerScaleChanged, { signal }); eventBus._on("rotatecw", webViewerRotateCw, { signal }); eventBus._on("rotateccw", webViewerRotateCcw, { signal }); eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig, { signal }); eventBus._on("switchscrollmode", webViewerSwitchScrollMode, { signal }); eventBus._on("scrollmodechanged", webViewerScrollModeChanged, { signal }); eventBus._on("switchspreadmode", webViewerSwitchSpreadMode, { signal }); eventBus._on("spreadmodechanged", webViewerSpreadModeChanged, { signal }); eventBus._on("documentproperties", webViewerDocumentProperties, { signal }); eventBus._on("findfromurlhash", webViewerFindFromUrlHash, { signal }); eventBus._on("updatefindmatchescount", webViewerUpdateFindMatchesCount, { signal }); eventBus._on("updatefindcontrolstate", webViewerUpdateFindControlState, { signal }); eventBus._on("fileinputchange", webViewerFileInputChange, { signal }); eventBus._on("openfile", webViewerOpenFile, { signal }); }, bindWindowEvents() { if (this._windowAbortController) { return; } this._windowAbortController = new AbortController(); const { eventBus, appConfig: { mainContainer }, _windowAbortController: { signal } } = this; function addWindowResolutionChange(evt = null) { if (evt) { webViewerResolutionChange(evt); } const mediaQueryList = window.matchMedia(`(resolution: ${window.devicePixelRatio || 1}dppx)`); mediaQueryList.addEventListener("change", addWindowResolutionChange, { once: true, signal }); } addWindowResolutionChange(); window.addEventListener("visibilitychange", webViewerVisibilityChange, { signal }); window.addEventListener("wheel", webViewerWheel, { passive: false, signal }); window.addEventListener("touchstart", webViewerTouchStart, { passive: false, signal }); window.addEventListener("touchmove", webViewerTouchMove, { passive: false, signal }); window.addEventListener("touchend", webViewerTouchEnd, { passive: false, signal }); window.addEventListener("click", webViewerClick, { signal }); window.addEventListener("keydown", webViewerKeyDown, { signal }); window.addEventListener("keyup", webViewerKeyUp, { signal }); window.addEventListener("resize", () => { eventBus.dispatch("resize", { source: window }); }, { signal }); window.addEventListener("hashchange", () => { eventBus.dispatch("hashchange", { source: window, hash: document.location.hash.substring(1) }); }, { signal }); window.addEventListener("beforeprint", () => { eventBus.dispatch("beforeprint", { source: window }); }, { signal }); window.addEventListener("afterprint", () => { eventBus.dispatch("afterprint", { source: window }); }, { signal }); window.addEventListener("updatefromsandbox", event => { eventBus.dispatch("updatefromsandbox", { source: window, detail: event.detail }); }, { signal }); if (!("onscrollend" in document.documentElement)) { return; } ({ scrollTop: this._lastScrollTop, scrollLeft: this._lastScrollLeft } = mainContainer); const scrollend = () => { ({ scrollTop: this._lastScrollTop, scrollLeft: this._lastScrollLeft } = mainContainer); this._isScrolling = false; mainContainer.addEventListener("scroll", scroll, { passive: true, signal }); mainContainer.removeEventListener("scrollend", scrollend); mainContainer.removeEventListener("blur", scrollend); }; const scroll = () => { if (this._isCtrlKeyDown) { return; } if (this._lastScrollTop === mainContainer.scrollTop && this._lastScrollLeft === mainContainer.scrollLeft) { return; } mainContainer.removeEventListener("scroll", scroll, { passive: true }); this._isScrolling = true; mainContainer.addEventListener("scrollend", scrollend, { signal }); mainContainer.addEventListener("blur", scrollend, { signal }); }; mainContainer.addEventListener("scroll", scroll, { passive: true, signal }); }, unbindEvents() { this._eventBusAbortController?.abort(); this._eventBusAbortController = null; }, unbindWindowEvents() { this._windowAbortController?.abort(); this._windowAbortController = 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; }, _unblockDocumentLoadEvent() { document.blockUnblockOnload?.(false); this._unblockDocumentLoadEvent = () => {}; }, get scriptingReady() { return this.pdfScriptingManager.ready; } }; initCom(PDFViewerApplication); { PDFPrintServiceFactory.initGlobals(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._documentError("pdfjs-loading-error", { message: ex.message }); throw ex; } }; } 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 === SidebarView.THUMBS) { const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); const thumbnailView = PDFViewerApplication.pdfThumbnailViewer?.getThumbnail(pageNumber - 1); if (pageView) { thumbnailView?.setImage(pageView); } } if (error) { PDFViewerApplication._otherError("pdfjs-rendering-error", error); } } function webViewerPageMode({ mode }) { let view; switch (mode) { case "thumbs": view = SidebarView.THUMBS; break; case "bookmarks": case "outline": view = SidebarView.OUTLINE; break; case "attachments": view = SidebarView.ATTACHMENTS; break; case "layers": view = SidebarView.LAYERS; break; case "none": view = 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 === 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) { PDFViewerApplication._openFileInput?.click(); }; } function webViewerPresentationMode() { PDFViewerApplication.requestPresentationMode(); } function webViewerSwitchAnnotationEditorMode(evt) { PDFViewerApplication.pdfViewer.annotationEditorMode = evt; } function webViewerSwitchAnnotationEditorParams(evt) { PDFViewerApplication.pdfViewer.annotationEditorParams = evt; } function webViewerPrint() { PDFViewerApplication.triggerPrinting(); } function webViewerDownload() { PDFViewerApplication.downloadOrSave(); } function webViewerFirstPage() { PDFViewerApplication.page = 1; } function webViewerLastPage() { PDFViewerApplication.page = PDFViewerApplication.pagesCount; } function webViewerNextPage() { PDFViewerApplication.pdfViewer.nextPage(); } function webViewerPreviousPage() { PDFViewerApplication.pdfViewer.previousPage(); } function webViewerZoomIn() { PDFViewerApplication.zoomIn(); } function webViewerZoomOut() { PDFViewerApplication.zoomOut(); } function webViewerZoomReset() { PDFViewerApplication.zoomReset(); } function webViewerPageNumberChanged(evt) { const pdfViewer = PDFViewerApplication.pdfViewer; if (evt.value !== "") { PDFViewerApplication.pdfLinkService.goToPage(evt.value); } if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) { PDFViewerApplication.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel); } } function webViewerScaleChanged(evt) { PDFViewerApplication.pdfViewer.currentScaleValue = evt.value; } function webViewerRotateCw() { PDFViewerApplication.rotatePages(90); } function webViewerRotateCcw() { PDFViewerApplication.rotatePages(-90); } function webViewerOptionalContentConfig(evt) { PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise; } function webViewerSwitchScrollMode(evt) { PDFViewerApplication.pdfViewer.scrollMode = evt.mode; } function webViewerSwitchSpreadMode(evt) { PDFViewerApplication.pdfViewer.spreadMode = evt.mode; } function webViewerDocumentProperties() { PDFViewerApplication.pdfDocumentProperties?.open(); } function webViewerFindFromUrlHash(evt) { PDFViewerApplication.eventBus.dispatch("find", { source: evt.source, type: "", query: evt.query, 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 === SidebarView.THUMBS) { PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber); } const currentPage = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); PDFViewerApplication.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === 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, supportsMouseWheelZoomCtrlKey, supportsMouseWheelZoomMetaKey, 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; const origin = [evt.clientX, evt.clientY]; if (isPinchToZoom || evt.ctrlKey && supportsMouseWheelZoomCtrlKey || evt.metaKey && supportsMouseWheelZoomMetaKey) { evt.preventDefault(); if (PDFViewerApplication._isScrolling || zoomDisabledTimeout || document.visibilityState === "hidden" || PDFViewerApplication.overlayManager.active) { return; } if (isPinchToZoom && supportsPinchToZoom) { scaleFactor = PDFViewerApplication._accumulateFactor(pdfViewer.currentScale, scaleFactor, "_wheelUnusedFactor"); PDFViewerApplication.updateZoom(null, scaleFactor, origin); } else { const delta = 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"); } PDFViewerApplication.updateZoom(ticks, null, origin); } } } function webViewerTouchStart(evt) { if (PDFViewerApplication.pdfViewer.isInPresentationMode || evt.touches.length < 2) { return; } evt.preventDefault(); if (evt.touches.length !== 2 || PDFViewerApplication.overlayManager.active) { 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 origin = [(page0X + page1X) / 2, (page0Y + page1Y) / 2]; const distance = Math.hypot(page0X - page1X, page0Y - page1Y) || 1; const pDistance = Math.hypot(pTouch0X - pTouch1X, pTouch0Y - pTouch1Y) || 1; if (supportsPinchToZoom) { const newScaleFactor = PDFViewerApplication._accumulateFactor(pdfViewer.currentScale, distance / pDistance, "_touchUnusedFactor"); PDFViewerApplication.updateZoom(null, newScaleFactor, origin); } else { const PIXELS_PER_LINE_SCALE = 30; const ticks = PDFViewerApplication._accumulateTicks((distance - pDistance) / PIXELS_PER_LINE_SCALE, "_touchUnusedTicks"); PDFViewerApplication.updateZoom(ticks, null, origin); } } 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 = getActiveOrFocusedElement(); const curElementTagName = curElement?.tagName.toUpperCase(); if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElementTagName === "BUTTON" && (evt.keyCode === 13 || evt.keyCode === 32) || curElement?.isContentEditable) { if (evt.keyCode !== 27) { return; } } if (cmd === 0) { let turnPage = 0, turnOnlyIfPageFit = false; switch (evt.keyCode) { case 38: if (PDFViewerApplication.supportsCaretBrowsingMode) { PDFViewerApplication.moveCaret(true, false); handled = true; break; } case 33: if (pdfViewer.isVerticalScrollbarEnabled) { turnOnlyIfPageFit = true; } turnPage = -1; break; case 8: if (!isViewerInPresentationMode) { turnOnlyIfPageFit = true; } turnPage = -1; break; case 37: if (PDFViewerApplication.supportsCaretBrowsingMode) { return; } 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: if (PDFViewerApplication.supportsCaretBrowsingMode) { PDFViewerApplication.moveCaret(false, false); handled = true; break; } case 34: if (pdfViewer.isVerticalScrollbarEnabled) { turnOnlyIfPageFit = true; } turnPage = 1; break; case 13: case 32: if (!isViewerInPresentationMode) { turnOnlyIfPageFit = true; } turnPage = 1; break; case 39: if (PDFViewerApplication.supportsCaretBrowsingMode) { return; } 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(CursorTool.SELECT); break; case 72: PDFViewerApplication.pdfCursorTools?.switchTool(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 38: PDFViewerApplication.moveCaret(true, true); handled = true; break; case 40: PDFViewerApplication.moveCaret(false, true); 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); } function webViewerReportTelemetry({ details }) { PDFViewerApplication.externalServices.reportTelemetry(details); } ;// CONCATENATED MODULE: ./web/viewer.js const pdfjsVersion = "4.3.136"; const pdfjsBuild = "0cec64437"; const AppConstants = { LinkTarget: LinkTarget, RenderingStates: RenderingStates, ScrollMode: ScrollMode, SpreadMode: SpreadMode }; window.PDFViewerApplication = PDFViewerApplication; window.PDFViewerApplicationConstants = AppConstants; window.PDFViewerApplicationOptions = 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"), print: document.getElementById("print"), editorFreeTextButton: document.getElementById("editorFreeText"), editorFreeTextParamsToolbar: document.getElementById("editorFreeTextParamsToolbar"), editorHighlightButton: document.getElementById("editorHighlight"), editorHighlightParamsToolbar: document.getElementById("editorHighlightParamsToolbar"), editorHighlightColorPicker: document.getElementById("editorHighlightColorPicker"), editorInkButton: document.getElementById("editorInk"), editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"), editorStampButton: document.getElementById("editorStamp"), editorStampParamsToolbar: document.getElementById("editorStampParamsToolbar"), 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"), 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") } }, altTextDialog: { dialog: document.getElementById("altTextDialog"), optionDescription: document.getElementById("descriptionButton"), optionDecorative: document.getElementById("decorativeButton"), textarea: document.getElementById("descriptionTextarea"), cancelButton: document.getElementById("altTextCancel"), saveButton: document.getElementById("altTextSave") }, annotationEditorParams: { editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"), editorFreeTextColor: document.getElementById("editorFreeTextColor"), editorInkColor: document.getElementById("editorInkColor"), editorInkThickness: document.getElementById("editorInkThickness"), editorInkOpacity: document.getElementById("editorInkOpacity"), editorStampAddImage: document.getElementById("editorStampAddImage"), editorFreeHighlightThickness: document.getElementById("editorFreeHighlightThickness"), editorHighlightShowAll: document.getElementById("editorHighlightShowAll") }, printContainer: document.getElementById("printContainer") }; } 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); } PDFViewerApplication.run(config); } document.blockUnblockOnload?.(true); if (document.readyState === "interactive" || document.readyState === "complete") { webViewerLoad(); } else { document.addEventListener("DOMContentLoaded", webViewerLoad, true); } })(); var __webpack_exports__PDFViewerApplication = __webpack_exports__.PDFViewerApplication; var __webpack_exports__PDFViewerApplicationConstants = __webpack_exports__.PDFViewerApplicationConstants; var __webpack_exports__PDFViewerApplicationOptions = __webpack_exports__.PDFViewerApplicationOptions; export { __webpack_exports__PDFViewerApplication as PDFViewerApplication, __webpack_exports__PDFViewerApplicationConstants as PDFViewerApplicationConstants, __webpack_exports__PDFViewerApplicationOptions as PDFViewerApplicationOptions }; //# sourceMappingURL=viewer.js.map
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