ngx-extended-pdf-viewer/assets/viewer-2.12.557-es5.min.js

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

window.ngxZone.runOutsideAngular(() => {
/**
 * @licstart The following is the entire license notice for the
 * Javascript code in this page
 *
 * Copyright 2021 Mozilla Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * @licend The above is the entire license notice for the
 * Javascript code in this page
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house","aspose.cells","fpdf"];class DefaultExternalServices{constructor(){throw new Error("Cannot initialize DefaultExternalServices.")}static updateFindControlState(e){}static updateFindMatchesCount(e){}static initPassiveLoading(e){}static async fallback(e){}static reportTelemetry(e){}static createDownloadManager(e){throw new Error("Not implemented: createDownloadManager")}static createPreferences(){throw new Error("Not implemented: createPreferences")}static createL10n(e){throw new Error("Not implemented: createL10n")}static createScripting(e){throw new Error("Not implemented: createScripting")}static get supportsIntegratedFind(){return(0,a.shadow)(this,"supportsIntegratedFind",!1)}static get supportsDocumentFonts(){return(0,a.shadow)(this,"supportsDocumentFonts",!0)}static get supportedMouseWheelZoomModifierKeys(){return(0,a.shadow)(this,"supportedMouseWheelZoomModifierKeys",{ctrlKey:!0,metaKey:!0})}static get isInAutomation(){return(0,a.shadow)(this,"isInAutomation",!1)}}t.DefaultExternalServices=DefaultExternalServices;const 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initialize(e){this.preferences=this.externalServices.createPreferences();this.appConfig=e;await this._readPreferences();await this._parseHashParameters();this._forceCssTheme();await this._initializeL10n();this.isViewerEmbedded&&n.AppOptions.get("externalLinkTarget")===a.LinkTarget.NONE&&n.AppOptions.set("externalLinkTarget",a.LinkTarget.TOP);await this._initializeViewerComponents();this.bindEvents();this.bindWindowEvents();const t=e.appContainer||document.documentElement;this.l10n.translate(t).then((()=>{this.eventBus.dispatch("localized",{source:this})}));this._initializedCapability.resolve();this.initializeLoadingBar()},async _readPreferences(){if(!n.AppOptions.get("disablePreferences")){n.AppOptions._hasUserOptions()&&Window.ngxConsole.warn('_readPreferences: The Preferences may override manually set AppOptions; please use the "disablePreferences"-option in order to prevent that.');try{n.AppOptions.setAll(await this.preferences.getAll())}catch(e){Window.ngxConsole.error('_readPreferences: "'.concat(null==e?void 0:e.message,'".'))}}},async _parseHashParameters(){if(!n.AppOptions.get("pdfBugEnabled"))return;const e=document.location.hash.substring(1);if(!e)return;const t=(0,i.parseQueryString)(e),r=[];"true"===t.get("disableworker")&&r.push(async function loadFakeWorker(){if(!a.GlobalWorkerOptions.workerSrc){a.GlobalWorkerOptions.workerSrc=n.AppOptions.get("workerSrc");"Function"===a.GlobalWorkerOptions.workerSrc.constructor.name&&(a.GlobalWorkerOptions.workerSrc=a.GlobalWorkerOptions.workerSrc())}await(0,a.loadScript)(a.PDFWorker.workerSrc)}());t.has("disablerange")&&n.AppOptions.set("disableRange","true"===t.get("disablerange"));t.has("disablestream")&&n.AppOptions.set("disableStream","true"===t.get("disablestream"));t.has("disableautofetch")&&n.AppOptions.set("disableAutoFetch","true"===t.get("disableautofetch"));t.has("disablefontface")&&n.AppOptions.set("disableFontFace","true"===t.get("disablefontface"));t.has("disablehistory")&&n.AppOptions.set("disableHistory","true"===t.get("disablehistory"));t.has("verbosity")&&n.AppOptions.set("verbosity",0|t.get("verbosity"));if(t.has("textlayer"))switch(t.get("textlayer")){case"off":n.AppOptions.set("textLayerMode",i.TextLayerMode.DISABLE);break;case"visible":case"shadow":case"hover":this.appConfig.viewerContainer.classList.add("textLayer-".concat(t.get("textlayer")))}if(t.has("pdfbug")){n.AppOptions.set("pdfBug",!0);n.AppOptions.set("fontExtraProperties",!0);const e=t.get("pdfbug").split(",");r.push(async function initPDFBug(e){const{debuggerScriptPath:t,mainContainer:r}=B.appConfig;await(0,a.loadScript)(t);PDFBug.init({OPS:a.OPS},r,e)}(e))}t.has("locale")&&n.AppOptions.set("locale",t.get("locale"));if(0!==r.length)try{await Promise.all(r)}catch(e){Window.ngxConsole.error('_parseHashParameters: "'.concat(e.message,'".'))}},async _initializeL10n(){this.l10n=this.externalServices.createL10n({locale:n.AppOptions.get("locale")});const e=await this.l10n.getDirection();document.getElementsByTagName("html")[0].dir=e},_forceCssTheme(){const e=n.AppOptions.get("viewerCssTheme");if(e!==L.AUTOMATIC&&Object.values(L).includes(e))try{const r=document.styleSheets[0],i=(null==r?void 0:r.cssRules)||[];for(let n=0,o=i.length;n<o;n++){var t;const o=i[n];if(o instanceof CSSMediaRule&&"(prefers-color-scheme: dark)"===(null===(t=o.media)||void 0===t?void 0:t[0])){if(e===L.LIGHT){r.deleteRule(n);return}const t=/^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(o.cssText);if(null!=t&&t[1]){r.deleteRule(n);r.insertRule(t[1],n)}return}}}catch(e){Window.ngxConsole.error('_forceCssTheme: "'.concat(null==e?void 0:e.message,'".'))}},async _initializeViewerComponents(){const{appConfig:e,externalServices:t}=this;let r;r=e.eventBus?e.eventBus:t.isInAutomation?new o.AutomationEventBus:new o.EventBus;this.eventBus=r;this.overlayManager=new l.OverlayManager;const i=new w.PDFRenderingQueue;i.onIdle=this._cleanup.bind(this);this.pdfRenderingQueue=i;const a=new m.PDFLinkService({eventBus:r,externalLinkTarget:n.AppOptions.get("externalLinkTarget"),externalLinkRel:n.AppOptions.get("externalLinkRel"),ignoreDestinationZoom:n.AppOptions.get("ignoreDestinationZoom")});this.pdfLinkService=a;const x=t.createDownloadManager();this.downloadManager=x;const T=new p.PDFFindController({linkService:a,eventBus:r,pageViewMode:n.AppOptions.get("pageViewMode")});this.findController=T;const I=new y.PDFScriptingManager({eventBus:r,sandboxBundleSrc:n.AppOptions.get("sandboxBundleSrc"),scriptingFactory:t,docPropertiesLookup:this._scriptingDocProperties.bind(this)});this.pdfScriptingManager=I;const L=e.mainContainer,A=e.viewerContainer;this.pdfViewer=new C.PDFViewer({container:L,viewer:A,eventBus:r,renderingQueue:i,linkService:a,downloadManager:x,findController:T,scriptingManager:n.AppOptions.get("enableScripting")&&I,renderer:n.AppOptions.get("renderer"),l10n:this.l10n,textLayerMode:n.AppOptions.get("textLayerMode"),annotationMode:n.AppOptions.get("annotationMode"),imageResourcesPath:n.AppOptions.get("imageResourcesPath"),removePageBorders:n.AppOptions.get("removePageBorders"),renderInteractiveForms:n.AppOptions.get("renderInteractiveForms"),enablePrintAutoRotate:n.AppOptions.get("enablePrintAutoRotate"),useOnlyCssZoom:n.AppOptions.get("useOnlyCssZoom"),maxCanvasPixels:n.AppOptions.get("maxCanvasPixels"),pageViewMode:n.AppOptions.get("pageViewMode"),enablePermissions:n.AppOptions.get("enablePermissions")});i.setViewer(this.pdfViewer);a.setViewer(this.pdfViewer);I.setViewer(this.pdfViewer);this.pdfThumbnailViewer=new P.PDFThumbnailViewer({container:e.sidebar.thumbnailView,eventBus:r,renderingQueue:i,linkService:a,l10n:this.l10n});i.setThumbnailViewer(this.pdfThumbnailViewer);if(!this.isViewerEmbedded&&!n.AppOptions.get("disableHistory")){this.pdfHistory=new g.PDFHistory({linkService:a,eventBus:r});a.setHistory(this.pdfHistory)}this.supportsIntegratedFind||(this.findBar=new u.PDFFindBar(e.findBar,r,this.l10n));this.pdfDocumentProperties=new h.PDFDocumentProperties(e.documentProperties,this.overlayManager,r,this.l10n);this.pdfCursorTools=new s.PDFCursorTools({container:L,eventBus:r,cursorToolOnLoad:n.AppOptions.get("cursorToolOnLoad")});this.toolbar=new E.Toolbar(e.toolbar,r,this.l10n);this.secondaryToolbar=new R.SecondaryToolbar(e.secondaryToolbar,L,r);this.supportsFullscreen&&(this.pdfPresentationMode=new b.PDFPresentationMode({container:L,pdfViewer:this.pdfViewer,eventBus:r}));let D=n.AppOptions.get("passwordPrompt");D||(D=new c.PasswordPrompt(e.passwordOverlay,this.overlayManager,this.l10n,this.isViewerEmbedded));this.passwordPrompt=D;this.pdfOutlineViewer=new v.PDFOutlineViewer({container:e.sidebar.outlineView,eventBus:r,linkService:a});this.pdfAttachmentViewer=new d.PDFAttachmentViewer({container:e.sidebar.attachmentsView,eventBus:r,downloadManager:x});this.pdfLayerViewer=new f.PDFLayerViewer({container:e.sidebar.layersView,eventBus:r,l10n:this.l10n});this.pdfSidebar=new _.PDFSidebar({elements:e.sidebar,pdfViewer:this.pdfViewer,pdfThumbnailViewer:this.pdfThumbnailViewer,eventBus:r,l10n:this.l10n});this.pdfSidebar.onToggled=this.forceRendering.bind(this);this.pdfSidebarResizer=new S.PDFSidebarResizer(e.sidebarResizer,r,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=i.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 W.instance.supportsPrinting},get supportsFullscreen(){return(0,a.shadow)(this,"supportsFullscreen",document.fullscreenEnabled||document.mozFullScreenEnabled||document.webkitFullscreenEnabled)},get supportsIntegratedFind(){return this.externalServices.supportsIntegratedFind},get supportsDocumentFonts(){return this.externalServices.supportsDocumentFonts},initializeLoadingBar(){const e=new i.ProgressBar("#loadingBar");e.hide();return(0,a.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 r=(0,a.getPdfFilenameFromUrl)(e,"");if(!r)try{r=decodeURIComponent((0,a.getFilenameFromUrl)(e))||e}catch(t){r=e}this.setTitle(r)},setTitle(e){this.isViewerEmbedded||(document.title=e)},get _docFilename(){return this._contentDispositionFilename||(0,a.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,r;this._unblockDocumentLoadEvent();this._hideViewBookmark();const{container:i}=this.appConfig.errorWrapper;i.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({sourceEventType:"save"})}catch(e){}const n=[];n.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._fellback=!1;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();n.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===(r=this.findBar)||void 0===r||r.reset();this.toolbar.reset();this.secondaryToolbar.reset();"undefined"!=typeof PDFBug&&PDFBug.cleanup();await Promise.all(n)},async open(e,t){window.ngxZone.runOutsideAngular((async()=>{this.pdfLoadingTask&&await this.close();const r=n.AppOptions.getAll(n.OptionKind.WORKER);for(const e in r)a.GlobalWorkerOptions[e]=r[e];const i=Object.create(null);if("string"==typeof e){this.setTitleUsingUrl(e,e);i.url=e}else if(e&&"byteLength"in e)i.data=e;else if(e.url&&e.originalUrl){this.setTitleUsingUrl(e.originalUrl,e.url);i.url=e.url}const o=n.AppOptions.getAll(n.OptionKind.API);for(const e in o){let t=o[e];i[e]=t}if(t)for(const e in t)i[e]=t[e];const s=(0,a.getDocument)(i);this.pdfLoadingTask=s;s.onPassword=(e,t)=>{this.pdfLinkService.externalLinkEnabled=!1;this.passwordPrompt.setUpdateCallback(e,t);this.passwordPrompt.open()};s.onProgress=e=>{let{loaded:t,total:r}=e;this.progress(t/r);this.eventBus.dispatch("progress",{source:this,type:"load",total:r,loaded:t,percent:100*t/r})};s.onUnsupportedFeature=this.fallback.bind(this);this.loadingBar.show();return s.promise.then((e=>{this.load(e)}),(e=>{if(s!==this.pdfLoadingTask)return;let t="loading_error";e instanceof a.InvalidPDFException?t="invalid_file_error":e instanceof a.MissingPDFException?t="missing_file_error":e instanceof a.UnexpectedResponseException&&(t="unexpected_response_error");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(){let{sourceEventType:e="download"}=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};const t=this._downloadUrl,r=this._docFilename;try{this._ensureDownloadComplete();const i=await this.pdfDocument.getData(),n=new Blob([i],{type:"application/pdf"});await this.downloadManager.download(n,t,r,e)}catch(e){await this.downloadManager.downloadUrl(t,r)}},async save(){let{sourceEventType:e="download"}=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};if(this._saveInProgress)return;this._saveInProgress=!0;await this.pdfScriptingManager.dispatchWillSave();const t=this._downloadUrl,r=this._docFilename;try{this._ensureDownloadComplete();const i=await this.pdfDocument.saveDocument(),n=new Blob([i],{type:"application/pdf"});await this.downloadManager.download(n,t,r,e)}catch(t){Window.ngxConsole.error("Error when saving the document: ".concat(t.message));await this.download({sourceEventType:e})}finally{await this.pdfScriptingManager.dispatchDidSave();this._saveInProgress=!1}},downloadOrSave(e){var t;(null===(t=this.pdfDocument)||void 0===t?void 0:t.annotationStorage.size)>0?this.save(e):this.download(e)},fallback(e){this.externalServices.reportTelemetry({type:"unsupportedFeature",featureId:e});if(!this._fellback){this._fellback=!0;this.externalServices.fallback({featureId:e,url:this.baseUrl}).then((e=>{e&&this.download({sourceEventType:"download"})}))}},_documentError(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;this._unblockDocumentLoadEvent();this._otherError(e,t)},_otherError(e){let t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;const r=[this.l10n.get("error_version_info",{version:a.version||"?",build:a.build||"?"})];if(t){r.push(this.l10n.get("error_message",{message:t.message}));if(t.stack)r.push(this.l10n.get("error_stack",{stack:t.stack}));else{t.filename&&r.push(this.l10n.get("error_file",{file:t.filename}));t.lineNumber&&r.push(this.l10n.get("error_line",{line:t.lineNumber}))}}const n=this.appConfig.errorWrapper,o=n.container;o.hidden=!1;n.errorMessage.textContent=e;const s=n.closeButton;s.onclick=function(){o.hidden=!0};const l=n.errorMoreInfo,c=n.moreInfoButton,d=n.lessInfoButton;c.onclick=function(){l.hidden=!1;c.hidden=!0;d.hidden=!1;l.style.height=l.scrollHeight+"px"};d.onclick=function(){l.hidden=!0;c.hidden=!1;d.hidden=!0};c.oncontextmenu=i.noContextMenuHandler;d.oncontextmenu=i.noContextMenuHandler;s.oncontextmenu=i.noContextMenuHandler;c.hidden=!1;d.hidden=!0;Promise.all(r).then((e=>{l.value=e.join("\n")}))},progress(e){if(this.downloadComplete)return;const t=Math.round(100*e);if(t>this.loadingBar.percent||isNaN(t)){this.loadingBar.percent=t;if((this.pdfDocument?this.pdfDocument.loadingParams.disableAutoFetch:n.AppOptions.get("disableAutoFetch"))&&t){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(){})),r=e.getPageMode().catch((function(){})),o=e.getOpenAction().catch((function(){}));this.toolbar.setPagesCount(e.numPages,!1);this.secondaryToolbar.setPagesCount(e.numPages);let a;a=null;this.pdfLinkService.setDocument(e,null);this.pdfDocumentProperties.setDocument(e,this.url);const s=this.pdfViewer;s.setDocument(e);const{firstPagePromise:l,onePageRendered:c,pagesPromise:d}=s;this.pdfThumbnailViewer.setDocument(e);const h=(this.store=new x.ViewHistory(e.fingerprints[0])).getMultiple({page:null,zoom:i.DEFAULT_SCALE_VALUE,scrollLeft:"0",scrollTop:"0",rotation:null,sidebarView:i.SidebarView.UNKNOWN,scrollMode:i.ScrollMode.UNKNOWN,spreadMode:i.SpreadMode.UNKNOWN}).catch((()=>Object.create(null)));l.then((a=>{this.loadingBar.setWidth(this.appConfig.viewerContainer);this._initializeAnnotationStorageCallbacks(e);Promise.all([i.animationStarted,h,t,r,o]).then((async t=>{let[r,o,a,l,c]=t;const h=n.AppOptions.get("viewOnLoad");this._initializePdfHistory({fingerprint:e.fingerprints[0],viewOnLoad:h,initialDest:null==c?void 0:c.dest});const u=this.initialBookmark,p=n.AppOptions.get("defaultZoomValue");let g=p?"zoom=".concat(p):null,f=null,m=n.AppOptions.get("sidebarViewOnLoad"),v=n.AppOptions.get("scrollModeOnLoad"),b=n.AppOptions.get("spreadModeOnLoad");if(o.page&&h!==I){g="page=".concat(o.page,"&zoom=").concat(p||o.zoom,",")+"".concat(o.scrollLeft,",").concat(o.scrollTop);f=parseInt(o.rotation,10);m===i.SidebarView.UNKNOWN&&(m=0|o.sidebarView);v===i.ScrollMode.UNKNOWN&&(v=0|o.scrollMode);b===i.SpreadMode.UNKNOWN&&(b=0|o.spreadMode)}l&&m===i.SidebarView.UNKNOWN&&(m=(0,i.apiPageModeToSidebarView)(l));if(a&&v===i.ScrollMode.UNKNOWN&&b===i.SpreadMode.UNKNOWN){b=(0,i.apiPageLayoutToViewerModes)(a).spreadMode}this.setInitialView(g,{rotation:f,sidebarView:m,scrollMode:v,spreadMode:b});this.eventBus.dispatch("documentinit",{source:this});this.isViewerEmbedded||s.focus();await Promise.race([d,new Promise((e=>{setTimeout(e,1e4)}))]);if((u||g)&&!s.hasEqualPageSizes){this.initialBookmark=u;s.currentScaleValue=s.currentScaleValue;this.setInitialView(g)}})).catch((()=>{this.setInitialView()})).then((function(){s.update()}))}));d.then((()=>{this._unblockDocumentLoadEvent();this._initializeAutoPrint(e,o)}),(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})}));s.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,r;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===(r=this.metadata)||void 0===r?void 0:r.get("dc:creator"),numPages:this.pagesCount,URL:this.url}},async _collectTelemetry(e){const t=await this.pdfDocument.getMarkInfo();if(e!==this.pdfDocument)return;const r=(null==t?void 0:t.Marked)||!1;this.externalServices.reportTelemetry({type:"tagged",tagged:r})},async _initializeAutoPrint(e,t){const[r,n]=await Promise.all([t,this.pdfViewer.enableScripting?null:e.getJavaScript()]);if(e!==this.pdfDocument)return;let o=!1;"Print"===(null==r?void 0:r.action)&&(o=!0);if(n){n.some((e=>{if(!e)return!1;Window.ngxConsole.warn("Warning: JavaScript support is not enabled");this.fallback(a.UNSUPPORTED_FEATURES.javaScript);return!0}));if(!o)for(const e of n)if(e&&i.AutoPrintRegExp.test(e)){o=!0;break}}o&&this.triggerPrinting()},async _initializeMetadata(e){var t,r;const{info:i,metadata:n,contentDispositionFilename:o,contentLength:s}=await e.getMetadata();if(e!==this.pdfDocument)return;this.documentInfo=i;this.metadata=n;null!==(t=this._contentDispositionFilename)&&void 0!==t||(this._contentDispositionFilename=o);null!==(r=this._contentLength)&&void 0!==r||(this._contentLength=s);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(i.PDFFormatVersion," ")+"".concat((i.Producer||"-").trim()," / ").concat((i.Creator||"-").trim(),"] ")+"(PDF.js: ".concat(a.version||"-")+"".concat(this.pdfViewer.enableWebGL?" [WebGL]":"",") modified by ngx-extended-pdf-viewer)"))}i.Language&&(this.appConfig.viewerContainer.lang=i.Language);let c=null==i?void 0:i.Title;const d=null==n?void 0:n.get("dc:title");d&&("Untitled"===d||/[\uFFF0-\uFFFF]/g.test(d)||(c=d));c?this.setTitle("".concat(c," - ").concat(o||document.title)):o&&this.setTitle(o);if(!i.IsXFAPresent||i.IsAcroFormPresent||e.isPureXfa){if((i.IsAcroFormPresent||i.IsXFAPresent)&&!this.pdfViewer.renderForms){Window.ngxConsole.warn("Warning: Interactive form support is not enabled");this.fallback(a.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(a.UNSUPPORTED_FEATURES.forms)}if(i.IsSignaturesPresent){Window.ngxConsole.warn("Warning: Digital signatures validation is not supported");this.fallback(a.UNSUPPORTED_FEATURES.signatures)}let h="other";A.includes(i.PDFFormatVersion)&&(h="v".concat(i.PDFFormatVersion.replace(".","_")));let u="other";if(i.Producer){const e=i.Producer.toLowerCase();D.some((function(t){if(!e.includes(t))return!1;u=t.replace(/[ .-]/g,"_");return!0}))}let p=null;i.IsXFAPresent?p="xfa":i.IsAcroFormPresent&&(p="acroform");this.externalServices.reportTelemetry({type:"documentInfo",version:h,generator:u,formType:p});this.eventBus.dispatch("metadataloaded",{source:this})},async _initializePageLabels(e){const t=await e.getPageLabels();if(e!==this.pdfDocument)return;if(!t||n.AppOptions.get("disablePageLabels"))return;const r=t.length;let i=0,o=0;for(let e=0;e<r;e++){const r=t[e];if(r===(e+1).toString())i++;else{if(""!==r)break;o++}}if(i>=r||o>=r)return;const{pdfViewer:a,pdfThumbnailViewer:s,toolbar:l}=this;a.setPageLabels(t);s.setPageLabels(t);l.setPagesCount(r,!0);l.setPageNumber(a.currentPageNumber,a.currentPageLabel)},_initializePdfHistory(e){let{fingerprint:t,viewOnLoad:r,initialDest:i=null}=e;if(this.pdfHistory){this.pdfHistory.initialize({fingerprint:t,resetHistory:r===I,updateUrl:n.AppOptions.get("historyUpdateUrl")});if(this.pdfHistory.initialBookmark){this.initialBookmark=this.pdfHistory.initialBookmark;this.initialRotation=this.pdfHistory.initialRotation}if(i&&!this.initialBookmark&&r===T){this.initialBookmark=JSON.stringify(i);this.pdfHistory.push({explicitDest:i,pageNumber:null})}}},_initializeAnnotationStor