Bug 1616560 - Update pdf.js to version 2.4.375. r=bdahl

Differential Revision: https://phabricator.services.mozilla.com/D63326

--HG--
extra : moz-landing-system : lando

browser/extensions/pdfjs/README.mozilla

@@ -1,5 +1,5 @@
 This is the PDF.js project output, https://github.com/mozilla/pdf.js
 
-Current extension version is: 2.4.349
+Current extension version is: 2.4.375
 
-Taken from upstream commit: dced0a38
+Taken from upstream commit: e2b30e9e

browser/extensions/pdfjs/content/build/pdf.js

@@ -123,8 +123,8 @@ return /******/ (function(modules) { // webpackBootstrap
 "use strict";
 
 
-var pdfjsVersion = '2.4.349';
-var pdfjsBuild = 'dced0a38';
+var pdfjsVersion = '2.4.375';
+var pdfjsBuild = 'e2b30e9e';
 
 var pdfjsSharedUtil = __w_pdfjs_require__(1);
 
@@ -1205,7 +1205,7 @@ function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
 
   return worker.messageHandler.sendWithPromise("GetDocRequest", {
     docId,
-    apiVersion: '2.4.349',
+    apiVersion: '2.4.375',
     source: {
       data: source.data,
       url: source.url,
@@ -1951,9 +1951,7 @@ class LoopbackPort {
       if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
         const transferable = transfers && transfers.includes(buffer);
 
-        if (value === buffer) {
-          result = value;
-        } else if (transferable) {
+        if (transferable) {
           result = new value.constructor(buffer, value.byteOffset, value.byteLength);
         } else {
           result = new value.constructor(value);
@@ -3152,9 +3150,9 @@ const InternalRenderTask = function InternalRenderTaskClosure() {
   return InternalRenderTask;
 }();
 
-const version = '2.4.349';
+const version = '2.4.375';
 exports.version = version;
-const build = 'dced0a38';
+const build = 'e2b30e9e';
 exports.build = build;
 
 /***/ }),
@@ -7002,7 +7000,7 @@ class Metadata {
     data = this._repair(data);
     const parser = new _xml_parser.SimpleXMLParser();
     const xmlDocument = parser.parseFromString(data);
-    this._metadata = Object.create(null);
+    this._metadataMap = new Map();
 
     if (xmlDocument) {
       this._parse(xmlDocument);
@@ -7010,7 +7008,7 @@ class Metadata {
   }
 
   _repair(data) {
-    return data.replace(/^([^<]+)/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) {
+    return data.replace(/^[^<]+/, "").replace(/>\\376\\377([^<]+)/g, function (all, codes) {
       const bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
         return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
       }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {
@@ -7079,23 +7077,29 @@ class Metadata {
         if (desc.childNodes[j].nodeName.toLowerCase() !== "#text") {
           const entry = desc.childNodes[j];
           const name = entry.nodeName.toLowerCase();
-          this._metadata[name] = entry.textContent.trim();
+
+          this._metadataMap.set(name, entry.textContent.trim());
         }
       }
     }
   }
 
   get(name) {
-    const data = this._metadata[name];
-    return typeof data !== "undefined" ? data : null;
+    return this._metadataMap.has(name) ? this._metadataMap.get(name) : null;
   }
 
   getAll() {
-    return this._metadata;
+    const obj = Object.create(null);
+
+    for (const [key, value] of this._metadataMap) {
+      obj[key] = value;
+    }
+
+    return obj;
   }
 
   has(name) {
-    return typeof this._metadata[name] !== "undefined";
+    return this._metadataMap.has(name);
   }
 
 }
@@ -8950,7 +8954,6 @@ var renderTextLayer = function renderTextLayerClosure() {
         this._bounds = null;
       }
 
-      const NO_PADDING = "0 0 0 0";
       const transformBuf = [],
             paddingBuf = [];
 
@@ -8997,11 +9000,7 @@ var renderTextLayer = function renderTextLayerClosure() {
             paddingBuf.push(0);
           }
 
-          const padding = paddingBuf.join(" ");
-
-          if (padding !== NO_PADDING) {
-            div.style.padding = padding;
-          }
+          div.style.padding = paddingBuf.join(" ");
 
           if (transformBuf.length) {
             div.style.transform = transformBuf.join(" ");

browser/extensions/pdfjs/content/build/pdf.worker.js

@@ -123,8 +123,8 @@ return /******/ (function(modules) { // webpackBootstrap
 "use strict";
 
 
-const pdfjsVersion = '2.4.349';
-const pdfjsBuild = 'dced0a38';
+const pdfjsVersion = '2.4.375';
+const pdfjsBuild = 'e2b30e9e';
 
 const pdfjsCoreWorker = __w_pdfjs_require__(1);
 
@@ -223,7 +223,7 @@ var WorkerMessageHandler = {
     var WorkerTasks = [];
     const verbosity = (0, _util.getVerbosityLevel)();
     const apiVersion = docParams.apiVersion;
-    const workerVersion = '2.4.349';
+    const workerVersion = '2.4.375';
 
     if (apiVersion !== workerVersion) {
       throw new Error(`The API version "${apiVersion}" does not match ` + `the Worker version "${workerVersion}".`);

browser/extensions/pdfjs/content/web/viewer.js

@@ -377,7 +377,7 @@ class DefaultExternalServices {
 exports.DefaultExternalServices = DefaultExternalServices;
 const PDFViewerApplication = {
   initialBookmark: document.location.hash.substring(1),
-  initialized: false,
+  _initializedCapability: (0, _pdfjsLib.createPromiseCapability)(),
   fellback: false,
   appConfig: null,
   pdfDocument: null,
@@ -432,7 +432,8 @@ const PDFViewerApplication = {
         source: this
       });
     });
-    this.initialized = true;
+
+    this._initializedCapability.resolve();
   },
 
   async _readPreferences() {
@@ -639,6 +640,14 @@ const PDFViewerApplication = {
     this.initialize(config).then(webViewerInitialized);
   },
 
+  get initialized() {
+    return this._initializedCapability.settled;
+  },
+
+  get initializedPromise() {
+    return this._initializedCapability.promise;
+  },
+
   zoomIn(ticks) {
     if (this.pdfViewer.isInPresentationMode) {
       return;

browser/extensions/pdfjs/moz.yaml

@@ -20,7 +20,7 @@ origin:
 
   # Human-readable identifier for this version/release
   # Generally "version NNN", "tag SSS", "bookmark SSS"
-  release: version 2.4.349
+  release: version 2.4.375
 
   # The package's license, where possible using the mnemonic from
   # https://spdx.org/licenses/