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ngx-extended-pdf-viewer

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Embedding PDF files in your Angular application. Highly configurable viewer including the toolbar, sidebar, and all the features you're used to.

pdfviewer.net

22 lines • 468 kB
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window.ngxZone.runOutsideAngular(() => { /** * @licstart The following is the entire license notice for the * JavaScript code in this page * * Copyright 2022 Mozilla Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * @licend The above is the entire license notice for the * JavaScript code in this page */(()=>{var e=[,(e,t,i)=>{var 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x.PDFViewer({container:D,viewer:k,eventBus:i,renderingQueue:n,linkService:I,downloadManager:M,findController:L,scriptingManager:s.AppOptions.get("enableScripting")&&A,renderer:s.AppOptions.get("renderer"),l10n:this.l10n,textLayerMode:s.AppOptions.get("textLayerMode"),annotationMode:s.AppOptions.get("annotationMode"),annotationEditorMode:O,imageResourcesPath:s.AppOptions.get("imageResourcesPath"),removePageBorders:s.AppOptions.get("removePageBorders"),enablePrintAutoRotate:s.AppOptions.get("enablePrintAutoRotate"),useOnlyCssZoom:s.AppOptions.get("useOnlyCssZoom"),maxCanvasPixels:s.AppOptions.get("maxCanvasPixels"),pageViewMode:s.AppOptions.get("pageViewMode"),enablePermissions:s.AppOptions.get("enablePermissions"),pageColors:R});n.setViewer(this.pdfViewer);I.setViewer(this.pdfViewer);A.setViewer(this.pdfViewer);this.pdfThumbnailViewer=new E.PDFThumbnailViewer({container:e.sidebar.thumbnailView,eventBus:i,renderingQueue:n,linkService:I,l10n:this.l10n,pageColors:R});n.setThumbnailViewer(this.pdfThumbnailViewer);if(!this.isViewerEmbedded&&!s.AppOptions.get("disableHistory")){this.pdfHistory=new m.PDFHistory({linkService:I,eventBus:i});I.setHistory(this.pdfHistory)}this.supportsIntegratedFind||(this.findBar=new g.PDFFindBar(e.findBar,i,this.l10n));if(O!==r.AnnotationEditorType.DISABLE){this.annotationEditorParams=new c.AnnotationEditorParams(e.annotationEditorParams,i);for(const e of[document.getElementById("editorModeButtons"),document.getElementById("editorModeSeparator")])e.classList.remove("hidden")}this.pdfDocumentProperties=new p.PDFDocumentProperties(e.documentProperties,this.overlayManager,i,this.l10n,(()=>this._docFilename));this.pdfCursorTools=new a.PDFCursorTools({container:D,eventBus:i,cursorToolOnLoad:s.AppOptions.get("cursorToolOnLoad")});this.toolbar=new T.Toolbar(e.toolbar,i,this.l10n);this.secondaryToolbar=new C.SecondaryToolbar(e.secondaryToolbar,i);this.supportsFullscreen&&(this.pdfPresentationMode=new _.PDFPresentationMode({container:D,pdfViewer:this.pdfViewer,eventBus:i}));let B=s.AppOptions.get("passwordPrompt");B||(B=new d.PasswordPrompt(e.passwordOverlay,this.overlayManager,this.l10n,this.isViewerEmbedded));this.passwordPrompt=B;this.pdfOutlineViewer=new w.PDFOutlineViewer({container:e.sidebar.outlineView,eventBus:i,linkService:I});this.pdfAttachmentViewer=new u.PDFAttachmentViewer({container:e.sidebar.attachmentsView,eventBus:i,downloadManager:M});this.pdfLayerViewer=new v.PDFLayerViewer({container:e.sidebar.layersView,eventBus:i,l10n:this.l10n});this.pdfSidebar=new P.PDFSidebar({elements:e.sidebar,pdfViewer:this.pdfViewer,pdfThumbnailViewer:this.pdfThumbnailViewer,eventBus:i,l10n:this.l10n});this.pdfSidebar.onToggled=this.forceRendering.bind(this);this.pdfSidebarResizer=new S.PDFSidebarResizer(e.sidebarResizer,i,this.l10n)},run(e){this.initialize(e).then(webViewerInitialized)},get initialized(){return this._initializedCapability.settled},get initializedPromise(){return this._initializedCapability.promise},zoomIn(e){this.pdfViewer.isInPresentationMode||this.pdfViewer.increaseScale(e)},zoomOut(e){this.pdfViewer.isInPresentationMode||this.pdfViewer.decreaseScale(e)},zoomReset(){this.pdfViewer.isInPresentationMode||(this.pdfViewer.currentScaleValue=n.DEFAULT_SCALE_VALUE)},get pagesCount(){return this.pdfDocument?this.pdfDocument.numPages:0},get page(){return this.pdfViewer.currentPageNumber},set page(e){this.pdfViewer.currentPageNumber=e},get supportsPrinting(){return N.instance.supportsPrinting},get supportsFullscreen(){return(0,r.shadow)(this,"supportsFullscreen",document.fullscreenEnabled)},get supportsIntegratedFind(){return this.externalServices.supportsIntegratedFind},get supportsDocumentFonts(){return this.externalServices.supportsDocumentFonts},initializeLoadingBar(){const e=new n.ProgressBar("loadingBar");e.hide();return(0,r.shadow)(this,"loadingBar",e)},get supportedMouseWheelZoomModifierKeys(){return this.externalServices.supportedMouseWheelZoomModifierKeys},initPassiveLoading(){throw new Error("Not implemented: initPassiveLoading")},setTitleUsingUrl(){let e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"",t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;this.url=e;this.baseUrl=e.split("#")[0];t&&(this._downloadUrl=t===e?this.baseUrl:t.split("#")[0]);let i=(0,r.getPdfFilenameFromUrl)(e,"");if(!i)try{i=decodeURIComponent((0,r.getFilenameFromUrl)(e))||e}catch(t){i=e}this.setTitle(i)},setTitle(e){this.isViewerEmbedded||(document.title=e)},get _docFilename(){return this._contentDispositionFilename||(0,r.getPdfFilenameFromUrl)(this.url)},_hideViewBookmark(){const{toolbar:e,secondaryToolbar:t}=this.appConfig;e.viewBookmark.hidden=!0;t.viewBookmarkButton.hidden=!0},_cancelIdleCallbacks(){if(this._idleCallbacks.size){for(const e of this._idleCallbacks)window.cancelIdleCallback(e);this._idleCallbacks.clear()}},async close(){var e,t,i,n;this._unblockDocumentLoadEvent();this._hideViewBookmark();const{container:r}=this.appConfig.errorWrapper;r.hidden=!0;if(!this.pdfLoadingTask)return;if((null===(e=this.pdfDocument)||void 0===e?void 0:e.annotationStorage.size)>0&&this._annotationStorageModified)try{await this.save()}catch(e){}const s=[];s.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=!0;this.store=null;this.isInitialViewSet=!1;this.downloadComplete=!1;this.url="";this.baseUrl="";this._downloadUrl="";this.documentInfo=null;this.metadata=null;this._contentDispositionFilename=null;this._contentLength=null;this._saveInProgress=!1;this._docStats=null;this._cancelIdleCallbacks();s.push(this.pdfScriptingManager.destroyPromise);this.pdfSidebar.reset();this.pdfOutlineViewer.reset();this.pdfAttachmentViewer.reset();this.pdfLayerViewer.reset();null===(t=this.pdfHistory)||void 0===t||t.reset();null===(i=this.findBar)||void 0===i||i.reset();this.toolbar.reset();this.secondaryToolbar.reset();null===(n=this._PDFBug)||void 0===n||n.cleanup();await Promise.all(s)},async open(e,t){window.adjacentPagesLoader=void 0;window.ngxZone.runOutsideAngular((async()=>{this.pdfLoadingTask&&await this.close();const i=s.AppOptions.getAll(s.OptionKind.WORKER);for(const e in i)r.GlobalWorkerOptions[e]=i[e];const n=Object.create(null);if("string"==typeof e){this.setTitleUsingUrl(e,e);n.url=e}else if(e&&"byteLength"in e)n.data=e;else if(e.url&&e.originalUrl){this.setTitleUsingUrl(e.originalUrl,e.url);n.url=e.url}const o=s.AppOptions.getAll(s.OptionKind.API);for(const e in o){let t=o[e];n[e]=t}if(t)for(const e in t)n[e]=t[e];const a=(0,r.getDocument)(n);this.pdfLoadingTask=a;a.onPassword=(e,t)=>{this.pdfLinkService.externalLinkEnabled=!1;this.passwordPrompt.setUpdateCallback(e,t);this.passwordPrompt.open()};a.onProgress=e=>{let{loaded:t,total:i}=e;this.progress(t/i);this.eventBus.dispatch("progress",{source:this,type:"load",total:i,loaded:t,percent:100*t/i})};a.onUnsupportedFeature=this.fallback.bind(this);this.loadingBar.show();return a.promise.then((e=>{this.load(e)}),(e=>{if(a!==this.pdfLoadingTask)return;let t="loading_error";e instanceof r.InvalidPDFException?t="invalid_file_error":e instanceof r.MissingPDFException?t="missing_file_error":e instanceof r.UnexpectedResponseException&&(t="unexpected_response_error");O.onError&&O.onError(e);return this.l10n.get(t).then((t=>{this._documentError(t,{message:null==e?void 0:e.message});throw e}))}))}))},_ensureDownloadComplete(){if(!this.pdfDocument||!this.downloadComplete)throw new Error("PDF document not downloaded.")},async download(){const e=this._downloadUrl,t=this._docFilename;try{this._ensureDownloadComplete();const i=await this.pdfDocument.getData(),n=new Blob([i],{type:"application/pdf"});await this.downloadManager.download(n,e,t)}catch(i){await this.downloadManager.downloadUrl(e,t)}},async save(){var e;if(this._saveInProgress)return;this._saveInProgress=!0;await this.pdfScriptingManager.dispatchWillSave();const t=this._downloadUrl,i=this._docFilename;try{this._ensureDownloadComplete();const e=await this.pdfDocument.saveDocument(),n=new Blob([e],{type:"application/pdf"});await this.downloadManager.download(n,t,i)}catch(e){Window.ngxConsole.error("Error when saving the document: ".concat(e.message));await this.download()}finally{await this.pdfScriptingManager.dispatchDidSave();this._saveInProgress=!1}null!==(e=this.pdfDocument)&&void 0!==e&&e.annotationStorage.hasAnnotationEditors&&this.externalServices.reportTelemetry({type:"editing",data:{type:"save"}})},downloadOrSave(){var e;(null===(e=this.pdfDocument)||void 0===e?void 0:e.annotationStorage.size)>0?this.save():this.download()},fallback(e){this.externalServices.reportTelemetry({type:"unsupportedFeature",featureId:e})},_documentError(e){var t;let i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;this._unblockDocumentLoadEvent();this._otherError(e,i);this.eventBus.dispatch("documenterror",{source:this,message:e,reason:null!==(t=null==i?void 0:i.message)&&void 0!==t?t:null})},_otherError(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const i=[this.l10n.get("error_version_info",{version:r.version||"?",build:r.build||"?"})];if(t){i.push(this.l10n.get("error_message",{message:t.message}));if(t.stack)i.push(this.l10n.get("error_stack",{stack:t.stack}));else{t.filename&&i.push(this.l10n.get("error_file",{file:t.filename}));t.lineNumber&&i.push(this.l10n.get("error_line",{line:t.lineNumber}))}}const s=this.appConfig.errorWrapper,o=s.container;o.hidden=!1;s.errorMessage.textContent=e;const a=s.closeButton;a.onclick=function(){o.hidden=!0};const l=s.errorMoreInfo,c=s.moreInfoButton,h=s.lessInfoButton;c.onclick=function(){l.hidden=!1;c.hidden=!0;h.hidden=!1;l.style.height=l.scrollHeight+"px"};h.onclick=function(){l.hidden=!0;c.hidden=!1;h.hidden=!0};c.oncontextmenu=n.noContextMenuHandler;h.oncontextmenu=n.noContextMenuHandler;a.oncontextmenu=n.noContextMenuHandler;c.hidden=!1;h.hidden=!0;Promise.all(i).then((e=>{l.value=e.join("\n")}))},progress(e){var t,i;if(this.downloadComplete)return;const n=Math.round(100*e);if(n<=this.loadingBar.percent)return;this.loadingBar.percent=n;if((null!==(t=null===(i=this.pdfDocument)||void 0===i?void 0:i.loadingParams.disableAutoFetch)&&void 0!==t?t:s.AppOptions.get("disableAutoFetch"))&&!isNaN(n)){if(this.disableAutoFetchLoadingBarTimeout){clearTimeout(this.disableAutoFetchLoadingBarTimeout);this.disableAutoFetchLoadingBarTimeout=null}this.loadingBar.show();this.disableAutoFetchLoadingBarTimeout=setTimeout((()=>{this.loadingBar.hide();this.disableAutoFetchLoadingBarTimeout=null}),5e3)}},load(e){this.pdfDocument=e;e.getDownloadInfo().then((e=>{let{length:t}=e;this._contentLength=t;this.downloadComplete=!0;this.loadingBar.hide();l.then((()=>{this.eventBus.dispatch("documentloaded",{source:this})}))}));const t=e.getPageLayout().catch((function(){})),i=e.getPageMode().catch((function(){})),r=e.getOpenAction().catch((function(){}));this.toolbar.setPagesCount(e.numPages,!1);this.secondaryToolbar.setPagesCount(e.numPages);let o;o=null;this.pdfLinkService.setDocument(e,null);this.pdfDocumentProperties.setDocument(e);const a=this.pdfViewer;a.setDocument(e);const{firstPagePromise:l,onePageRendered:c,pagesPromise:h}=a;this.pdfThumbnailViewer.setDocument(e);const d=(this.store=new I.ViewHistory(e.fingerprints[0])).getMultiple({page:null,zoom:n.DEFAULT_SCALE_VALUE,scrollLeft:"0",scrollTop:"0",rotation:null,sidebarView:n.SidebarView.UNKNOWN,scrollMode:n.ScrollMode.UNKNOWN,spreadMode:n.SpreadMode.UNKNOWN}).catch((()=>Object.create(null)));l.then((o=>{this.loadingBar.setWidth(this.appConfig.viewerContainer);this._initializeAnnotationStorageCallbacks(e);Promise.all([n.animationStarted,d,t,i,r]).then((async t=>{let[i,r,o,l,c]=t;const d=s.AppOptions.get("viewOnLoad");this._initializePdfHistory({fingerprint:e.fingerprints[0],viewOnLoad:d,initialDest:null==c?void 0:c.dest});const u=this.initialBookmark,p=s.AppOptions.get("defaultZoomValue");let g=p?"zoom=".concat(p):null,f=null,m=s.AppOptions.get("sidebarViewOnLoad"),v=s.AppOptions.get("scrollModeOnLoad"),w=s.AppOptions.get("spreadModeOnLoad");if(r.page&&d!==L){g="page=".concat(r.page,"&zoom=").concat(p||r.zoom,",")+"".concat(r.scrollLeft,",").concat(r.scrollTop);f=parseInt(r.rotation,10);m===n.SidebarView.UNKNOWN&&(m=0|r.sidebarView);v===n.ScrollMode.UNKNOWN&&(v=0|r.scrollMode);w===n.SpreadMode.UNKNOWN&&(w=0|r.spreadMode)}l&&m===n.SidebarView.UNKNOWN&&(m=(0,n.apiPageModeToSidebarView)(l));if(o&&v===n.ScrollMode.UNKNOWN&&w===n.SpreadMode.UNKNOWN){w=(0,n.apiPageLayoutToViewerModes)(o).spreadMode}this.setInitialView(g,{rotation:f,sidebarView:m,scrollMode:v,spreadMode:w});this.eventBus.dispatch("documentinit",{source:this});this.isViewerEmbedded||a.focus();await Promise.race([h,new Promise((e=>{setTimeout(e,10)}))]);if((u||g)&&!a.hasEqualPageSizes){this.initialBookmark=u;a.currentScaleValue=a.currentScaleValue;this.setInitialView(g)}})).catch((()=>{this.setInitialView()})).then((function(){a.update()}))}));h.then((()=>{this._unblockDocumentLoadEvent();this._initializeAutoPrint(e,r)}),(e=>{O.onError&&O.onError(e);this.l10n.get("loading_error").then((t=>{this._documentError(t,{message:null==e?void 0:e.message})}))}));c.then((t=>{this.externalServices.reportTelemetry({type:"pageInfo",timestamp:t.timestamp});e.getOutline().then((t=>{e===this.pdfDocument&&this.pdfOutlineViewer.render({outline:t,pdfDocument:e})}));e.getAttachments().then((t=>{e===this.pdfDocument&&this.pdfAttachmentViewer.render({attachments:t})}));a.optionalContentConfigPromise.then((t=>{e===this.pdfDocument&&this.pdfLayerViewer.render({optionalContentConfig:t,pdfDocument:e})}));if("requestIdleCallback"in window){const t=window.requestIdleCallback((()=>{this._collectTelemetry(e);this._idleCallbacks.delete(t)}),{timeout:1e3});this._idleCallbacks.add(t)}}));this._initializePageLabels(e);this._initializeMetadata(e)},async _scriptingDocProperties(e){var t,i;if(!this.documentInfo){await new Promise((e=>{this.eventBus._on("metadataloaded",e,{once:!0})}));if(e!==this.pdfDocument)return null}if(!this._contentLength){await new Promise((e=>{this.eventBus._on("documentloaded",e,{once:!0})}));if(e!==this.pdfDocument)return null}return{...this.documentInfo,baseURL:this.baseUrl,filesize:this._contentLength,filename:this._docFilename,metadata:null===(t=this.metadata)||void 0===t?void 0:t.getRaw(),authors:null===(i=this.metadata)||void 0===i?void 0:i.get("dc:creator"),numPages:this.pagesCount,URL:this.url}},async _collectTelemetry(e){const t=await this.pdfDocument.getMarkInfo();if(e!==this.pdfDocument)return;const i=(null==t?void 0:t.Marked)||!1;this.externalServices.reportTelemetry({type:"tagged",tagged:i})},async _initializeAutoPrint(e,t){const[i,s]=await Promise.all([t,this.pdfViewer.enableScripting?null:e.getJavaScript()]);if(e!==this.pdfDocument)return;let o=!1;"Print"===(null==i?void 0:i.action)&&(o=!0);if(s){s.some((e=>{if(!e)return!1;Window.ngxConsole.warn("Warning: JavaScript support is not enabled");this.fallback(r.UNSUPPORTED_FEATURES.javaScript);return!0}));if(!o)for(const e of s)if(e&&n.AutoPrintRegExp.test(e)){o=!0;break}}o&&this.triggerPrinting()},async _initializeMetadata(e){var t,i;const{info:n,metadata:s,contentDispositionFilename:o,contentLength:a}=await e.getMetadata();if(e!==this.pdfDocument)return;this.documentInfo=n;this.metadata=s;null!==(t=this._contentDispositionFilename)&&void 0!==t||(this._contentDispositionFilename=o);null!==(i=this._contentLength)&&void 0!==i||(this._contentLength=a);const l=window.PDFViewerApplicationOptions;if(!l||l.get("verbosity")>0){Window.ngxConsole.log("PDF viewer: ngx-extended-pdf-viewer running on pdf.js "+(window["pdfjs-dist/build/pdf"]?window["pdfjs-dist/build/pdf"].version:" developer version (?)"));Window.ngxConsole.log("PDF ".concat(e.fingerprints[0]," [").concat(n.PDFFormatVersion," ")+"".concat((n.Producer||"-").trim()," / ").concat((n.Creator||"-").trim(),"] ")+"(PDF.js: ".concat(r.version||"-")+"".concat(this.pdfViewer.enableWebGL?" [WebGL]":"",") modified by ngx-extended-pdf-viewer)"))}let c=null==n?void 0:n.Title;const h=null==s?void 0:s.get("dc:title");h&&("Untitled"===h||/[\uFFF0-\uFFFF]/g.test(h)||(c=h));c?this.setTitle("".concat(c," - ").concat(this._contentDispositionFilename||document.title)):this._contentDispositionFilename&&this.setTitle(this._contentDispositionFilename);if(!n.IsXFAPresent||n.IsAcroFormPresent||e.isPureXfa){if((n.IsAcroFormPresent||n.IsXFAPresent)&&!this.pdfViewer.renderForms){Window.ngxConsole.warn("Warning: Interactive form support is not enabled");this.fallback(r.UNSUPPORTED_FEATURES.forms)}}else{e.loadingParams.enableXfa?Window.ngxConsole.warn("Warning: XFA Foreground documents are not supported"):Window.ngxConsole.warn("Warning: XFA support is not enabled");this.fallback(r.UNSUPPORTED_FEATURES.forms)}if(n.IsSignaturesPresent){Window.ngxConsole.warn("Warning: Digital signatures validation is not supported");this.fallback(r.UNSUPPORTED_FEATURES.signatures)}let d="other";D.includes(n.PDFFormatVersion)&&(d="v".concat(n.PDFFormatVersion.replace(".","_")));let u="other";if(n.Producer){const e=n.Producer.toLowerCase();k.some((function(t){if(!e.includes(t))return!1;u=t.replace(/[ .