ng2-pdfjs-viewer
Version:
The most comprehensive Angular PDF viewer, powered by Mozilla PDF.js 6 — view, annotate, sign, fill forms, search, and read aloud from one component. 8.3M+ downloads, mobile-first, production-ready.
1 lines • 36.1 kB
JavaScript
!function(){"use strict";const e="/";let t=null,n=!0;try{const e=new URLSearchParams(window.location.search),o=e.get("urlValidation");if(null!==o){const e=String(o).toLowerCase();n=!("0"===e||"false"===e||"off"===e)}t=e.get("file")}catch(e){}function o(){if(!n||!t)return!0;return new URLSearchParams(window.location.search).get("file")===t||(p(`Security warning: ${o="Unauthorized file access detected. 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URLSearchParams(window.location.search).get("pjsOptions");if(!e)return;const t=JSON.parse(e);for(const e of Object.keys(t)){const n=t[e],o=["string","number","boolean"].includes(typeof n);r.has(e)&&o?PDFViewerApplicationOptions.set(e,n):p(`Ignoring pjsOptions key outside allowlist: ${e}`,"warn")}}catch(e){p(`Failed to apply init-time options: ${e.message}`,"error")}}}const s=e=>{e.detail&&e.detail.source&&e.detail.source!==window||(i(),F(),k())};document.addEventListener("webviewerloaded",s);try{window.parent!==window&&window.parent.document&&(window.parent.document.addEventListener("webviewerloaded",s),window.addEventListener("pagehide",()=>{try{window.parent.document.removeEventListener("webviewerloaded",s)}catch(e){}}))}catch(e){}document.addEventListener("DOMContentLoaded",()=>{"undefined"!=typeof PDFViewerApplication&&(i(),F(),k())});const 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p("Skipping zoom notification - programmatic change from our command");let n,o=!1;t.presetValue&&"string"==typeof t.presetValue?(o=!0,n=t.presetValue):"number"!=typeof t.scale||t.presetValue||(p("Assuming user-initiated scale change (mouse wheel, etc.)"),o=!0,n=function(e,t){if("string"==typeof e)return e;if(t?.pdfViewer){const n=t.pdfViewer;if(["page-fit","page-width","page-actual","auto"].includes(n.currentScaleValue))return n.currentScaleValue;const o={.5:"0.5",.75:"0.75",1:"1",1.25:"1.25",1.5:"1.5",2:"2",3:"3",4:"4"};for(const[t,n]of Object.entries(o))if(Math.abs(e-parseFloat(t))<.01)return n}return"number"==typeof e?`${Math.round(100*e)}%`:"auto"}(t.scale,e)),o?h("zoom",n,"user"):p("Skipping zoom notification - not identified as user-initiated")}),e.eventBus.on("switchscrollmode",e=>{const t={0:"vertical",1:"horizontal",2:"wrapped",3:"page"}[e.mode]||"vertical";p(`Scroll mode changed via event to: ${t}`),h("scroll",t,"user")}),e.eventBus.on("switchspreadmode",e=>{const t={0:"none",1:"odd",2:"even"}[e.mode]||"none";p(`Spread mode changed via event to: ${t}`),h("spread",t,"user")}),e.eventBus.on("switchcursortool",e=>{const t={0:"select",1:"hand",2:"zoom"}[e.tool]||"select";p(`Cursor changed via event to: ${t}`),h("cursor",t,"user")}),e.eventBus.on("sidebarviewchanged",e=>{const t={0:"none",1:"thumbs",2:"bookmarks",3:"attachments",4:"layers"}[e.view]||"none";p(`Page mode changed via event to: ${t}`),h("pageMode",t,"user")}),e.eventBus.on("rotationchanging",e=>{p(`Rotation changed via event to: 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t=e.documentInfo;v("metadataLoaded",{title:t?.Title,author:t?.Author,subject:t?.Subject,keywords:t?.Keywords,creator:t?.Creator,producer:t?.Producer,creationDate:t?.CreationDate,modificationDate:t?.ModDate,pdfFormatVersion:t?.PDFFormatVersion,isLinearized:t?.IsLinearized,isAcroFormPresent:t?.IsAcroFormPresent,isXFAPresent:t?.IsXFAPresent,isCollectionPresent:t?.IsCollectionPresent})}}),e.eventBus.on("outlineloaded",e=>{if(oe.outlineLoaded){v("outlineLoaded",{items:[],hasOutline:(e.outlineCount||0)>0})}}),e.eventBus.on("pagerendered",e=>{if(oe.pageRendered){v("pageRendered",{pageNumber:e.pageNumber||1,timestamp:Date.now()})}}),e.eventBus.on("sidebarviewchanged",e=>{if(oe.sidebarViewChanged){v("sidebarViewChanged",{view:{0:"none",1:"thumbs",2:"outline",3:"attachments",4:"layers"}[e.view]||"unknown"})}}),e.eventBus.on("layersloaded",e=>{oe.layersChanged&&v("layersChanged",{reason:"loaded",layersCount:e.layersCount||0})}),e.eventBus.on("optionalcontentconfigchanged",()=>{oe.layersChanged&&v("layersChanged",{reason:"changed"})}),e.eventBus.on("namedaction",e=>{oe.namedAction&&v("namedAction",{action:e.action||""})}),e.eventBus.on("documentproperties",()=>{oe.documentProperties&&v("documentProperties",{})}),e.eventBus.on("annotationlayerrendered",e=>{if(oe.annotationLayerRendered){v("annotationLayerRendered",{pageNumber:e.pageNumber||1,error:e.error||null,timestamp:Date.now()})}}),e.eventBus.on("documentloaded",ge));!function(e){oe.idle&&fe();he(e)}(e)}()}),e.eventBus.on("pagesloaded",()=>{l<d.COMPONENTS_READY&&w(d.COMPONENTS_READY)}),function(){document.addEventListener("change",J,!0),document.addEventListener("input",J,!0)}(),e.eventBus.on("pagesedited",t=>{v("pagesEdited",{operation:t&&(t.type||t.operation)||"edit",pagesCount:e.pagesCount})}),e.eventBus.on("pagerendered",e=>{K&&e&&e.source&&e.source.div&&X(e.source.div)}),!window._ng2PrintWrapped){window._ng2PrintWrapped=!0;const e=window.print.bind(window);window.print=function(){G.blockPrint?p("Printing blocked by content protection","warn"):e()}}e.eventBus.on("editingstateschanged",e=>{const t=e&&e.details||e||{};v("annotationEditorStateChange",{isEditing:!0===t.isEditing,isEmpty:!0===t.isEmpty,hasSomethingToUndo:!0===t.hasSomethingToUndo,hasSomethingToRedo:!0===t.hasSomethingToRedo,hasSelectedEditor:!0===t.hasSelectedEditor})}),e.eventBus.on("switchannotationeditormode",e=>{v("annotationEditorModeChange",{mode:{"-1":"disable",0:"none",3:"freetext",9:"highlight",13:"stamp",15:"ink",101:"signature",102:"comment"}[String(e.mode)]??"none"})});try{const t=e.passwordPrompt;if(t&&"function"==typeof t.open&&!t._ng2OpenPatched){const e=t.open.bind(t);t.open=function(...t){return h("loading",!1,"system"),v("passwordPrompt",{}),e(...t)},t._ng2OpenPatched=!0}}catch(e){}}());window.parent.postMessage({type:"postmessage-ready",timestamp:Date.now(),readiness:l},e)}())}function h(t,n,o="user"){try{const r={type:"state-change",property:t,value:n,source:o,timestamp:Date.now()};window.parent.postMessage(r,e)}catch(e){p(`Failed to send state change notification: ${e.message}`,"error")}}function v(t,n){try{const o={type:"event-notification",eventName:t,eventData:n,timestamp:Date.now()};window.parent.postMessage(o,e)}catch(e){p(`Failed to send event notification: ${e.message}`,"error")}}function y(t,n){t&&window.parent&&window.parent.postMessage({type:"control-response",id:t,...n,timestamp:Date.now()},e)}function b(){const e=PDFViewerApplication;return e?{ready:e.initialized,page:e.page,pagesCount:e.pagesCount,currentScale:e.pdfViewer?e.pdfViewer.currentScale:null,currentScaleValue:e.pdfViewer?e.pdfViewer.currentScaleValue:null,pagesRotation:e.pdfViewer?e.pdfViewer.pagesRotation:null,scrollMode:e.pdfViewer?e.pdfViewer.scrollMode:null,spreadMode:e.pdfViewer?e.pdfViewer.spreadMode:null}:{ready:!1}}const E={updateModeViaEventBus:function(e,t,n,o){const r=PDFViewerApplication;if(r?.eventBus)try{const a=n["string"==typeof t?t.toUpperCase():t];void 0!==a?r.eventBus.dispatch(e,{mode:a}):p(`Unknown ${o} mode: ${t}`,"warn")}catch(e){p(`Error updating ${o} mode: ${e.message}`,"error")}else p("EventBus not available for mode update","error")}};function k(){const e=PDFViewerApplication;e?(w(d.VIEWER_LOADED),e.initializedPromise?e.initializedPromise.then(()=>{w(d.VIEWER_INITIALIZED),e.eventBus&&"function"==typeof e.eventBus.dispatch&&(w(d.EVENTBUS_READY),e.pdfViewer&&e.pdfCursorTools&&w(d.COMPONENTS_READY))}).catch(e=>{p(`PDFViewerApplication initialization failed: ${e.message}`,"error")}):e.initialized&&(w(d.VIEWER_INITIALIZED),e.eventBus&&"function"==typeof e.eventBus.dispatch&&(w(d.EVENTBUS_READY),e.pdfViewer&&e.pdfCursorTools&&w(d.COMPONENTS_READY)))):w(d.NOT_LOADED)}let P=!1;function D(e){if(e.source!==window.parent||!e.data)return;const{type:t,action:n,payload:o,id:r}=e.data;if("host-response"===t){const t=C.get(e.data.requestId);return void(t&&(C.delete(e.data.requestId),e.data.error?t.reject(new Error(e.data.error)):t.resolve(e.data.data)))}if("control-update"===t)try{const e=M(n,o);Promise.resolve(e).then(e=>y(r,void 0!==e?{success:!0,action:n,data:e}:{success:!0,action:n,payload:o}),e=>{const t=`Error processing ${n}: ${e.message}`;p(t,"error"),y(r,{success:!1,error:t})})}catch(e){const t=`Error processing ${n}: ${e.message}`;p(t,"error"),y(r,{success:!1,error:t})}}let V=!1,A=0;const C=new Map;function B(t,n){return new Promise((o,r)=>{const a="host-"+ ++A;C.set(a,{resolve:o,reject:r}),window.parent.postMessage({type:"host-request",requestId:a,action:t,payload:n,timestamp:Date.now()},e),setTimeout(()=>{C.delete(a)&&r(new Error("Host request timed out: "+t))},1e4)})}let S=0;let L=!1;function F(){if(L)return;const e="undefined"!=typeof PDFViewerApplication?PDFViewerApplication:null,t=e&&e.externalServices;if(!t||"function"!=typeof t.createSignatureStorage)return;L=!0;const n=t.createSignatureStorage.bind(t);t.createSignatureStorage=(e,t)=>{const o=n(e,t);return{async getAll(){if(!V)return o.getAll();try{const e=await B("signature-storage-get-all",null);return new Map(Object.entries(e||{}))}catch(e){return p("signatureStorage getAll failed: "+e.message,"warn"),new Map}},async size(){return V?(await this.getAll()).size:o.size()},async isFull(){return V?await this.size()>=5:o.isFull()},async create(e){if(!V)return o.create(e);try{if(await this.isFull())return null;const t=function(){if("undefined"!=typeof crypto&&crypto.randomUUID)return crypto.randomUUID();if("undefined"!=typeof crypto&&crypto.getRandomValues){const e=crypto.getRandomValues(new Uint8Array(8));let t="";for(let n=0;n<e.length;n++)t+=e[n].toString(16).padStart(2,"0");return"sig-"+t}return"sig-"+Date.now().toString(36)+"-"+(++S).toString(36)}();return await B("signature-storage-save",{uuid:t,data:e}),t}catch(e){return p("signatureStorage save failed: "+e.message,"warn"),null}},async delete(e){if(!V)return o.delete(e);try{return await B("signature-storage-delete",{uuid:e}),!0}catch(e){return p("signatureStorage delete failed: "+e.message,"warn"),!1}}}}}function I(e){let t=0;try{for(const n of e){const e=n&&n[1];e&&!0===e.isClone&&"function"!=typeof e.serialize&&t++}}catch(e){}return t}function O(e){const t=[e[4],e[5]];for(let n=6;n+5<e.length;n+=6)t.push(e[n+4],e[n+5]);return t}function R(e){const t={};for(const n of Object.keys(e))"__proto__"!==n&&"constructor"!==n&&"prototype"!==n&&(t[n]=e[n]);return!0===t.isSignature&&!t.paths&&Array.isArray(t.lines)&&(t.paths={lines:t.lines,points:t.lines.map(O)}),t}function M(e,t){const o=PDFViewerApplication;var r;if(o)try{switch(e){case"show-download":g("downloadButton","secondaryDownload",t);break;case"show-print":g("printButton","secondaryPrint",t);break;case"show-fullscreen":g("presentationMode",null,t);break;case"show-find":g("viewFindButton",null,t);break;case"show-bookmark":g("viewBookmark",null,t);break;case"show-openfile":g("openFile","secondaryOpenFile",t);break;case"show-annotations":!function(e){const t=PDFViewerApplication;try{const n=e?0:-1;t?.eventBus&&t?.pdfViewer?.pdfDocument&&t.pdfViewer.annotationEditorMode!==n&&t.eventBus.dispatch("switchannotationeditormode",{source:null,mode:n})}catch(e){}m("editorModeButtons",e),m("editorModeSeparator",e)}(t);break;case"set-toolbar-density":{const e=document.getElementById("toolbarContainer");if(e){e.classList.remove("density-default","density-compact","density-comfortable");const n="string"==typeof t?t:"default";e.classList.add(`density-${n}`)}break}case"set-sidebar-width":{const e=document.getElementById("outerContainer");e&&"string"==typeof t&&""!==t.trim()&&e.style.setProperty("--ng2-sidebar-width",t);break}case"set-toolbar-position":{const e=document.getElementById("outerContainer");e&&(e.classList.remove("toolbar-bottom"),"bottom"===t&&e.classList.add("toolbar-bottom"));break}case"set-sidebar-position":{const e=document.getElementById("outerContainer");e&&(e.classList.remove("sidebar-right"),"right"===t&&e.classList.add("sidebar-right"));break}case"set-responsive-breakpoint":{const e="number"==typeof t?`${t}px`:`${t}`,n=document.getElementById("outerContainer");n&&e&&n.style.setProperty("--ng2-responsive-breakpoint",e);break}case"show-toolbar-left":f("toolbarViewerLeft",t);break;case"show-toolbar-middle":f("toolbarViewerMiddle",t);break;case"show-toolbar-right":f("toolbarViewerRight",t);break;case"show-secondary-toolbar-toggle":m("secondaryToolbarToggle",t);break;case"show-sidebar":m("viewsManager",t),m("viewsManagerToggleButton",t);break;case"show-sidebar-left":m("viewsManagerSelector",t);break;case"show-sidebar-right":m("viewsManagerCurrentOutlineButton",t);break;case"set-zoom":!function(e){const t=PDFViewerApplication;if(!t||!t.pdfViewer||!t.eventBus)return void p("PDFViewerApplication, pdfViewer, or eventBus not ready for zoom update","warn");if(!t.isInitialViewSet&&"undefined"!=typeof PDFViewerApplicationOptions)try{return void PDFViewerApplicationOptions.set("defaultZoomValue",String(e))}catch(e){}c.markZoomCommandStart();try{if(["auto","page-actual","page-fit","page-width","page-height"].includes(e))return void t.eventBus.dispatch("scalechanged",{source:t.toolbar,value:e});const n=Number(e);if(!isNaN(n)&&n>0)return void t.eventBus.dispatch("scalechanged",{source:t.toolbar,value:e});p(`Invalid zoom value: ${e}`,"warn")}finally{c.markZoomCommandEnd()}}(t);break;case"set-cursor":!function(e){const t=PDFViewerApplication;try{const n=e?e.toUpperCase():"SELECT";let o=0;switch(n){case"HAND":case"H":o=1;break;case"SELECT":case"S":o=0;break;case"ZOOM":case"Z":o=2;break;default:p(`Unknown cursor tool: ${n}, defaulting to SELECT`,"warn"),o=0}t.eventBus&&"function"==typeof t.eventBus.dispatch?t.eventBus.dispatch("switchcursortool",{tool:o}):p("EventBus not available for cursor update","warn")}catch(e){p(`Error updating cursor: ${e.message}`,"error")}}(t);break;case"set-scroll":E.updateModeViaEventBus("switchscrollmode",t,{VERTICAL:0,V:0,HORIZONTAL:1,H:1,WRAPPED:2,W:2,PAGE:3,P:3},"scroll mode");break;case"set-spread":E.updateModeViaEventBus("switchspreadmode",t,{NONE:0,N:0,ODD:1,O:1,EVEN:2,E:2},"spread mode");break;case"set-page":const a=parseInt(t,10);a>0&&a<=PDFViewerApplication.pagesCount?PDFViewerApplication.isInitialViewSet?PDFViewerApplication.page=a:PDFViewerApplication.initialBookmark=`page=${a}`:p(`Invalid page number: ${t}`,"warn");break;case"set-rotation":const i=parseInt(t,10);[0,90,180,270].includes(i)?PDFViewerApplication.pdfViewer.pagesRotation=i:p(`Invalid rotation: ${t}`,"warn");break;case"go-to-last-page":if(!0===t){const e=PDFViewerApplication.pagesCount;PDFViewerApplication.page=e}break;case"go-to-named-dest":if(!t||"string"!=typeof t||""===t.trim()){p(`Skipping invalid named destination: "${t}"`);break}PDFViewerApplication.pdfLinkService.goToDestination(t);break;case"update-page-mode":const s=t?t.toLowerCase():"none";PDFViewerApplication.eventBus.dispatch("pagemode",{mode:s});break;case"set-download-filename":!function(e){try{if(e&&PDFViewerApplication){const t=e.endsWith(".pdf")?e:`${e}.pdf`;PDFViewerApplication._contentDispositionFilename=t}else p("Cannot set download filename - invalid filename or PDFViewerApplication not available","warn")}catch(e){p(`Error setting download filename: ${e.message}`,"error")}}(t);break;case"trigger-download":!0===t&&PDFViewerApplication.eventBus.dispatch("download");break;case"trigger-print":!0===t&&PDFViewerApplication.eventBus.dispatch("print");break;case"trigger-rotate-cw":!0===t&&PDFViewerApplication.eventBus.dispatch("rotatecw");break;case"trigger-rotate-ccw":!0===t&&PDFViewerApplication.eventBus.dispatch("rotateccw");break;case"set-external-link-target":{const e={none:0,self:1,blank:2,parent:3,top:4},n="string"==typeof 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