PDF.js version 1.4.91 - See mozilla/pdf.js@41efb92d3a6af0be38afaf27808504e404491afd

bower.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.4.87",
+  "version": "1.4.91",
   "main": [
     "build/pdf.js",
     "build/pdf.worker.js"

build/pdf.combined.js

@@ -28,8 +28,8 @@ factory((root.pdfjsDistBuildPdfCombined = {}));
   // Use strict in our context only - users might not want it
   'use strict';
 
-var pdfjsVersion = '1.4.87';
+var pdfjsVersion = '1.4.91';
-var pdfjsBuild = 'c53581f';
+var pdfjsBuild = '41efb92';
 
   var pdfjsFilePath =
     typeof document !== 'undefined' && document.currentScript ?
@@ -2692,6 +2692,17 @@ var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = {
   font: 'font'
 };
 
+// Gets the file name from a given URL.
+function getFilenameFromUrl(url) {
+  var anchor = url.indexOf('#');
+  var query = url.indexOf('?');
+  var end = Math.min(
+    anchor > 0 ? anchor : url.length,
+    query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf('/', end) + 1, end);
+}
+PDFJS.getFilenameFromUrl = getFilenameFromUrl;
+
 // Combines two URLs. The baseUrl shall be absolute URL. If the url is an
 // absolute URL, it will be returned as is.
 function combineUrl(baseUrl, url) {
@@ -4763,6 +4774,7 @@ exports.combineUrl = combineUrl;
 exports.createPromiseCapability = createPromiseCapability;
 exports.deprecated = deprecated;
 exports.error = error;
+exports.getFilenameFromUrl = getFilenameFromUrl;
 exports.getLookupTableFactory = getLookupTableFactory;
 exports.info = info;
 exports.isArray = isArray;
@@ -18412,6 +18424,7 @@ var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
 var AnnotationType = sharedUtil.AnnotationType;
 var Util = sharedUtil.Util;
 var addLinkAttributes = sharedUtil.addLinkAttributes;
+var getFilenameFromUrl = sharedUtil.getFilenameFromUrl;
 var warn = sharedUtil.warn;
 var CustomStyle = displayDOMUtils.CustomStyle;
 
@@ -18422,6 +18435,7 @@ var CustomStyle = displayDOMUtils.CustomStyle;
  * @property {PDFPage} page
  * @property {PageViewport} viewport
  * @property {IPDFLinkService} linkService
+ * @property {DownloadManager} downloadManager
  */
 
 /**
@@ -18463,6 +18477,9 @@ AnnotationElementFactory.prototype =
       case AnnotationType.STRIKEOUT:
         return new StrikeOutAnnotationElement(parameters);
 
+      case AnnotationType.FILEATTACHMENT:
+        return new FileAttachmentAnnotationElement(parameters);
+
       default:
         return new AnnotationElement(parameters);
     }
@@ -18481,6 +18498,7 @@ var AnnotationElement = (function AnnotationElementClosure() {
     this.page = parameters.page;
     this.viewport = parameters.viewport;
     this.linkService = parameters.linkService;
+    this.downloadManager = parameters.downloadManager;
 
     if (isRenderable) {
       this.container = this._createContainer();
@@ -19101,6 +19119,76 @@ var StrikeOutAnnotationElement = (
   return StrikeOutAnnotationElement;
 })();
 
+/**
+ * @class
+ * @alias FileAttachmentAnnotationElement
+ */
+var FileAttachmentAnnotationElement = (
+    function FileAttachmentAnnotationElementClosure() {
+  function FileAttachmentAnnotationElement(parameters) {
+    AnnotationElement.call(this, parameters, true);
+
+    this.filename = getFilenameFromUrl(parameters.data.file.filename);
+    this.content = parameters.data.file.content;
+  }
+
+  Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
+    /**
+     * Render the file attachment annotation's HTML element in the empty
+     * container.
+     *
+     * @public
+     * @memberof FileAttachmentAnnotationElement
+     * @returns {HTMLSectionElement}
+     */
+    render: function FileAttachmentAnnotationElement_render() {
+      this.container.className = 'fileAttachmentAnnotation';
+
+      var trigger = document.createElement('div');
+      trigger.style.height = this.container.style.height;
+      trigger.style.width = this.container.style.width;
+      trigger.addEventListener('dblclick', this._download.bind(this));
+
+      if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
+        var popupElement = new PopupElement({
+          container: this.container,
+          trigger: trigger,
+          color: this.data.color,
+          title: this.data.title,
+          contents: this.data.contents,
+          hideWrapper: true
+        });
+        var popup = popupElement.render();
+
+        // Position the popup next to the FileAttachment annotation's
+        // container.
+        popup.style.left = this.container.style.width;
+
+        this.container.appendChild(popup);
+      }
+
+      this.container.appendChild(trigger);
+      return this.container;
+    },
+
+    /**
+     * Download the file attachment associated with this annotation.
+     *
+     * @private
+     * @memberof FileAttachmentAnnotationElement
+     */
+    _download: function FileAttachmentAnnotationElement_download() {
+      if (!this.downloadManager) {
+        warn('Download cannot be started due to unavailable download manager');
+        return;
+      }
+      this.downloadManager.downloadData(this.content, this.filename, '');
+    }
+  });
+
+  return FileAttachmentAnnotationElement;
+})();
+
 /**
  * @typedef {Object} AnnotationLayerParameters
  * @property {PageViewport} viewport
@@ -19137,7 +19225,8 @@ var AnnotationLayer = (function AnnotationLayerClosure() {
           layer: parameters.div,
           page: parameters.page,
           viewport: parameters.viewport,
-          linkService: parameters.linkService
+          linkService: parameters.linkService,
+          downloadManager: parameters.downloadManager
         };
         var element = annotationElementFactory.create(properties);
         if (element.isRenderable) {
@@ -44052,6 +44141,7 @@ var ObjectLoader = (function() {
 exports.Catalog = Catalog;
 exports.ObjectLoader = ObjectLoader;
 exports.XRef = XRef;
+exports.FileSpec = FileSpec;
 }));
 
 
@@ -47862,6 +47952,7 @@ var isName = corePrimitives.isName;
 var Stream = coreStream.Stream;
 var ColorSpace = coreColorSpace.ColorSpace;
 var ObjectLoader = coreObj.ObjectLoader;
+var FileSpec = coreObj.FileSpec;
 var OperatorList = coreEvaluator.OperatorList;
 
 /**
@@ -47887,6 +47978,7 @@ AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */ {
 
     // Return the right annotation object based on the subtype and field type.
     var parameters = {
+      xref: xref,
       dict: dict,
       ref: ref
     };
@@ -47920,6 +48012,9 @@ AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */ {
       case 'StrikeOut':
         return new StrikeOutAnnotation(parameters);
 
+      case 'FileAttachment':
+        return new FileAttachmentAnnotation(parameters);
+
       default:
         warn('Unimplemented annotation type "' + subtype + '", ' +
              'falling back to base annotation');
@@ -48664,6 +48759,31 @@ var StrikeOutAnnotation = (function StrikeOutAnnotationClosure() {
   return StrikeOutAnnotation;
 })();
 
+var FileAttachmentAnnotation = (function FileAttachmentAnnotationClosure() {
+  function FileAttachmentAnnotation(parameters) {
+    Annotation.call(this, parameters);
+
+    var dict = parameters.dict;
+    var file = new FileSpec(dict.get('FS'), parameters.xref);
+
+    this.data.annotationType = AnnotationType.FILEATTACHMENT;
+    this.data.file = file.serializable;
+
+    if (!dict.has('C')) {
+      // Fall back to the default background color.
+      this.data.color = null;
+    }
+
+    this.data.hasPopup = dict.has('Popup');
+    this.data.title = stringToPDFString(dict.get('T') || '');
+    this.data.contents = stringToPDFString(dict.get('Contents') || '');
+  }
+
+  Util.inherit(FileAttachmentAnnotation, Annotation, {});
+
+  return FileAttachmentAnnotation;
+})();
+
 exports.Annotation = Annotation;
 exports.AnnotationBorderStyle = AnnotationBorderStyle;
 exports.AnnotationFactory = AnnotationFactory;

build/pdf.js

@@ -28,8 +28,8 @@ factory((root.pdfjsDistBuildPdf = {}));
   // Use strict in our context only - users might not want it
   'use strict';
 
-var pdfjsVersion = '1.4.87';
+var pdfjsVersion = '1.4.91';
-var pdfjsBuild = 'c53581f';
+var pdfjsBuild = '41efb92';
 
   var pdfjsFilePath =
     typeof document !== 'undefined' && document.currentScript ?
@@ -407,6 +407,17 @@ var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = {
   font: 'font'
 };
 
+// Gets the file name from a given URL.
+function getFilenameFromUrl(url) {
+  var anchor = url.indexOf('#');
+  var query = url.indexOf('?');
+  var end = Math.min(
+    anchor > 0 ? anchor : url.length,
+    query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf('/', end) + 1, end);
+}
+PDFJS.getFilenameFromUrl = getFilenameFromUrl;
+
 // Combines two URLs. The baseUrl shall be absolute URL. If the url is an
 // absolute URL, it will be returned as is.
 function combineUrl(baseUrl, url) {
@@ -2478,6 +2489,7 @@ exports.combineUrl = combineUrl;
 exports.createPromiseCapability = createPromiseCapability;
 exports.deprecated = deprecated;
 exports.error = error;
+exports.getFilenameFromUrl = getFilenameFromUrl;
 exports.getLookupTableFactory = getLookupTableFactory;
 exports.info = info;
 exports.isArray = isArray;
@@ -2518,6 +2530,7 @@ var AnnotationBorderStyleType = sharedUtil.AnnotationBorderStyleType;
 var AnnotationType = sharedUtil.AnnotationType;
 var Util = sharedUtil.Util;
 var addLinkAttributes = sharedUtil.addLinkAttributes;
+var getFilenameFromUrl = sharedUtil.getFilenameFromUrl;
 var warn = sharedUtil.warn;
 var CustomStyle = displayDOMUtils.CustomStyle;
 
@@ -2528,6 +2541,7 @@ var CustomStyle = displayDOMUtils.CustomStyle;
  * @property {PDFPage} page
  * @property {PageViewport} viewport
  * @property {IPDFLinkService} linkService
+ * @property {DownloadManager} downloadManager
  */
 
 /**
@@ -2569,6 +2583,9 @@ AnnotationElementFactory.prototype =
       case AnnotationType.STRIKEOUT:
         return new StrikeOutAnnotationElement(parameters);
 
+      case AnnotationType.FILEATTACHMENT:
+        return new FileAttachmentAnnotationElement(parameters);
+
       default:
         return new AnnotationElement(parameters);
     }
@@ -2587,6 +2604,7 @@ var AnnotationElement = (function AnnotationElementClosure() {
     this.page = parameters.page;
     this.viewport = parameters.viewport;
     this.linkService = parameters.linkService;
+    this.downloadManager = parameters.downloadManager;
 
     if (isRenderable) {
       this.container = this._createContainer();
@@ -3207,6 +3225,76 @@ var StrikeOutAnnotationElement = (
   return StrikeOutAnnotationElement;
 })();
 
+/**
+ * @class
+ * @alias FileAttachmentAnnotationElement
+ */
+var FileAttachmentAnnotationElement = (
+    function FileAttachmentAnnotationElementClosure() {
+  function FileAttachmentAnnotationElement(parameters) {
+    AnnotationElement.call(this, parameters, true);
+
+    this.filename = getFilenameFromUrl(parameters.data.file.filename);
+    this.content = parameters.data.file.content;
+  }
+
+  Util.inherit(FileAttachmentAnnotationElement, AnnotationElement, {
+    /**
+     * Render the file attachment annotation's HTML element in the empty
+     * container.
+     *
+     * @public
+     * @memberof FileAttachmentAnnotationElement
+     * @returns {HTMLSectionElement}
+     */
+    render: function FileAttachmentAnnotationElement_render() {
+      this.container.className = 'fileAttachmentAnnotation';
+
+      var trigger = document.createElement('div');
+      trigger.style.height = this.container.style.height;
+      trigger.style.width = this.container.style.width;
+      trigger.addEventListener('dblclick', this._download.bind(this));
+
+      if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
+        var popupElement = new PopupElement({
+          container: this.container,
+          trigger: trigger,
+          color: this.data.color,
+          title: this.data.title,
+          contents: this.data.contents,
+          hideWrapper: true
+        });
+        var popup = popupElement.render();
+
+        // Position the popup next to the FileAttachment annotation's
+        // container.
+        popup.style.left = this.container.style.width;
+
+        this.container.appendChild(popup);
+      }
+
+      this.container.appendChild(trigger);
+      return this.container;
+    },
+
+    /**
+     * Download the file attachment associated with this annotation.
+     *
+     * @private
+     * @memberof FileAttachmentAnnotationElement
+     */
+    _download: function FileAttachmentAnnotationElement_download() {
+      if (!this.downloadManager) {
+        warn('Download cannot be started due to unavailable download manager');
+        return;
+      }
+      this.downloadManager.downloadData(this.content, this.filename, '');
+    }
+  });
+
+  return FileAttachmentAnnotationElement;
+})();
+
 /**
  * @typedef {Object} AnnotationLayerParameters
  * @property {PageViewport} viewport
@@ -3243,7 +3331,8 @@ var AnnotationLayer = (function AnnotationLayerClosure() {
           layer: parameters.div,
           page: parameters.page,
           viewport: parameters.viewport,
-          linkService: parameters.linkService
+          linkService: parameters.linkService,
+          downloadManager: parameters.downloadManager
         };
         var element = annotationElementFactory.create(properties);
         if (element.isRenderable) {

build/pdf.worker.js

@@ -28,8 +28,8 @@ factory((root.pdfjsDistBuildPdfWorker = {}));
   // Use strict in our context only - users might not want it
   'use strict';
 
-var pdfjsVersion = '1.4.87';
+var pdfjsVersion = '1.4.91';
-var pdfjsBuild = 'c53581f';
+var pdfjsBuild = '41efb92';
 
   var pdfjsFilePath =
     typeof document !== 'undefined' && document.currentScript ?
@@ -2624,6 +2624,17 @@ var UNSUPPORTED_FEATURES = PDFJS.UNSUPPORTED_FEATURES = {
   font: 'font'
 };
 
+// Gets the file name from a given URL.
+function getFilenameFromUrl(url) {
+  var anchor = url.indexOf('#');
+  var query = url.indexOf('?');
+  var end = Math.min(
+    anchor > 0 ? anchor : url.length,
+    query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf('/', end) + 1, end);
+}
+PDFJS.getFilenameFromUrl = getFilenameFromUrl;
+
 // Combines two URLs. The baseUrl shall be absolute URL. If the url is an
 // absolute URL, it will be returned as is.
 function combineUrl(baseUrl, url) {
@@ -4695,6 +4706,7 @@ exports.combineUrl = combineUrl;
 exports.createPromiseCapability = createPromiseCapability;
 exports.deprecated = deprecated;
 exports.error = error;
+exports.getFilenameFromUrl = getFilenameFromUrl;
 exports.getLookupTableFactory = getLookupTableFactory;
 exports.info = info;
 exports.isArray = isArray;
@@ -36187,6 +36199,7 @@ var ObjectLoader = (function() {
 exports.Catalog = Catalog;
 exports.ObjectLoader = ObjectLoader;
 exports.XRef = XRef;
+exports.FileSpec = FileSpec;
 }));
 
 
@@ -39997,6 +40010,7 @@ var isName = corePrimitives.isName;
 var Stream = coreStream.Stream;
 var ColorSpace = coreColorSpace.ColorSpace;
 var ObjectLoader = coreObj.ObjectLoader;
+var FileSpec = coreObj.FileSpec;
 var OperatorList = coreEvaluator.OperatorList;
 
 /**
@@ -40022,6 +40036,7 @@ AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */ {
 
     // Return the right annotation object based on the subtype and field type.
     var parameters = {
+      xref: xref,
       dict: dict,
       ref: ref
     };
@@ -40055,6 +40070,9 @@ AnnotationFactory.prototype = /** @lends AnnotationFactory.prototype */ {
       case 'StrikeOut':
         return new StrikeOutAnnotation(parameters);
 
+      case 'FileAttachment':
+        return new FileAttachmentAnnotation(parameters);
+
       default:
         warn('Unimplemented annotation type "' + subtype + '", ' +
              'falling back to base annotation');
@@ -40799,6 +40817,31 @@ var StrikeOutAnnotation = (function StrikeOutAnnotationClosure() {
   return StrikeOutAnnotation;
 })();
 
+var FileAttachmentAnnotation = (function FileAttachmentAnnotationClosure() {
+  function FileAttachmentAnnotation(parameters) {
+    Annotation.call(this, parameters);
+
+    var dict = parameters.dict;
+    var file = new FileSpec(dict.get('FS'), parameters.xref);
+
+    this.data.annotationType = AnnotationType.FILEATTACHMENT;
+    this.data.file = file.serializable;
+
+    if (!dict.has('C')) {
+      // Fall back to the default background color.
+      this.data.color = null;
+    }
+
+    this.data.hasPopup = dict.has('Popup');
+    this.data.title = stringToPDFString(dict.get('T') || '');
+    this.data.contents = stringToPDFString(dict.get('Contents') || '');
+  }
+
+  Util.inherit(FileAttachmentAnnotation, Annotation, {});
+
+  return FileAttachmentAnnotation;
+})();
+
 exports.Annotation = Annotation;
 exports.AnnotationBorderStyle = AnnotationBorderStyle;
 exports.AnnotationFactory = AnnotationFactory;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "pdfjs-dist",
-  "version": "1.4.87",
+  "version": "1.4.91",
   "main": "build/pdf.js",
   "description": "Generic build of Mozilla's PDF.js library.",
   "keywords": [

web/pdf_viewer.css

@@ -141,7 +141,8 @@
 .annotationLayer .highlightAnnotation,
 .annotationLayer .underlineAnnotation,
 .annotationLayer .squigglyAnnotation,
-.annotationLayer .strikeoutAnnotation {
+.annotationLayer .strikeoutAnnotation,
+.annotationLayer .fileAttachmentAnnotation {
   cursor: pointer;
 }
 

web/pdf_viewer.js

@@ -15,7 +15,7 @@
 /*jshint globalstrict: false */
 /* globals PDFJS, PDFViewer, PDFPageView, TextLayerBuilder, PDFLinkService,
            DefaultTextLayerFactory, AnnotationLayerBuilder, PDFHistory,
-           DefaultAnnotationLayerFactory, getFileName, ProgressBar */
+           DefaultAnnotationLayerFactory, DownloadManager, ProgressBar */
 
 // Initializing PDFJS global object (if still undefined)
 if (typeof PDFJS === 'undefined') {
@@ -34,15 +34,6 @@ var MAX_AUTO_SCALE = 1.25;
 var SCROLLBAR_PADDING = 40;
 var VERTICAL_PADDING = 5;
 
-function getFileName(url) {
-  var anchor = url.indexOf('#');
-  var query = url.indexOf('?');
-  var end = Math.min(
-    anchor > 0 ? anchor : url.length,
-    query > 0 ? query : url.length);
-  return url.substring(url.lastIndexOf('/', end) + 1, end);
-}
-
 /**
  * Returns scale factor for the canvas. It makes sense for the HiDPI displays.
  * @return {Object} The object with horizontal (sx) and vertical (sy)
@@ -1765,6 +1756,7 @@ DefaultTextLayerFactory.prototype = {
  * @property {HTMLDivElement} pageDiv
  * @property {PDFPage} pdfPage
  * @property {IPDFLinkService} linkService
+ * @property {DownloadManager} downloadManager
  */
 
 /**
@@ -1779,6 +1771,7 @@ var AnnotationLayerBuilder = (function AnnotationLayerBuilderClosure() {
     this.pageDiv = options.pageDiv;
     this.pdfPage = options.pdfPage;
     this.linkService = options.linkService;
+    this.downloadManager = options.downloadManager;
 
     this.div = null;
   }
@@ -1803,7 +1796,8 @@ var AnnotationLayerBuilder = (function AnnotationLayerBuilderClosure() {
           div: self.div,
           annotations: annotations,
           page: self.pdfPage,
-          linkService: self.linkService
+          linkService: self.linkService,
+          downloadManager: self.downloadManager
         };
 
         if (self.div) {
@@ -1867,6 +1861,8 @@ DefaultAnnotationLayerFactory.prototype = {
  * @property {HTMLDivElement} container - The container for the viewer element.
  * @property {HTMLDivElement} viewer - (optional) The viewer element.
  * @property {IPDFLinkService} linkService - The navigation/linking service.
+ * @property {DownloadManager} downloadManager - (optional) The download
+ *   manager component.
  * @property {PDFRenderingQueue} renderingQueue - (optional) The rendering
  *   queue object.
  * @property {boolean} removePageBorders - (optional) Removes the border shadow
@@ -1919,6 +1915,7 @@ var PDFViewer = (function pdfViewer() {
     this.container = options.container;
     this.viewer = options.viewer || options.container.firstElementChild;
     this.linkService = options.linkService || new SimpleLinkService();
+    this.downloadManager = options.downloadManager || null;
     this.removePageBorders = options.removePageBorders || false;
 
     this.defaultRenderingQueue = !options.renderingQueue;
@@ -2584,7 +2581,8 @@ var PDFViewer = (function pdfViewer() {
       return new AnnotationLayerBuilder({
         pageDiv: pageDiv,
         pdfPage: pdfPage,
-        linkService: this.linkService
+        linkService: this.linkService,
+        downloadManager: this.downloadManager
       });
     },
 
@@ -3038,6 +3036,90 @@ var PDFHistory = (function () {
 })();
 
 
+var DownloadManager = (function DownloadManagerClosure() {
+
+  function download(blobUrl, filename) {
+    var a = document.createElement('a');
+    if (a.click) {
+      // Use a.click() if available. Otherwise, Chrome might show
+      // "Unsafe JavaScript attempt to initiate a navigation change
+      //  for frame with URL" and not open the PDF at all.
+      // Supported by (not mentioned = untested):
+      // - Firefox 6 - 19 (4- does not support a.click, 5 ignores a.click)
+      // - Chrome 19 - 26 (18- does not support a.click)
+      // - Opera 9 - 12.15
+      // - Internet Explorer 6 - 10
+      // - Safari 6 (5.1- does not support a.click)
+      a.href = blobUrl;
+      a.target = '_parent';
+      // Use a.download if available. This increases the likelihood that
+      // the file is downloaded instead of opened by another PDF plugin.
+      if ('download' in a) {
+        a.download = filename;
+      }
+      // <a> must be in the document for IE and recent Firefox versions.
+      // (otherwise .click() is ignored)
+      (document.body || document.documentElement).appendChild(a);
+      a.click();
+      a.parentNode.removeChild(a);
+    } else {
+      if (window.top === window &&
+          blobUrl.split('#')[0] === window.location.href.split('#')[0]) {
+        // If _parent == self, then opening an identical URL with different
+        // location hash will only cause a navigation, not a download.
+        var padCharacter = blobUrl.indexOf('?') === -1 ? '?' : '&';
+        blobUrl = blobUrl.replace(/#|$/, padCharacter + '$&');
+      }
+      window.open(blobUrl, '_parent');
+    }
+  }
+
+  function DownloadManager() {}
+
+  DownloadManager.prototype = {
+    downloadUrl: function DownloadManager_downloadUrl(url, filename) {
+      if (!PDFJS.isValidUrl(url, true)) {
+        return; // restricted/invalid URL
+      }
+
+      download(url + '#pdfjs.action=download', filename);
+    },
+
+    downloadData: function DownloadManager_downloadData(data, filename,
+                                                        contentType) {
+      if (navigator.msSaveBlob) { // IE10 and above
+        return navigator.msSaveBlob(new Blob([data], { type: contentType }),
+                                    filename);
+      }
+
+      var blobUrl = PDFJS.createObjectURL(data, contentType);
+      download(blobUrl, filename);
+    },
+
+    download: function DownloadManager_download(blob, url, filename) {
+      if (!URL) {
+        // URL.createObjectURL is not supported
+        this.downloadUrl(url, filename);
+        return;
+      }
+
+      if (navigator.msSaveBlob) {
+        // IE10 / IE11
+        if (!navigator.msSaveBlob(blob, filename)) {
+          this.downloadUrl(url, filename);
+        }
+        return;
+      }
+
+      var blobUrl = URL.createObjectURL(blob);
+      download(blobUrl, filename);
+    }
+  };
+
+  return DownloadManager;
+})();
+
+
   PDFJS.PDFViewer = PDFViewer;
   PDFJS.PDFPageView = PDFPageView;
   PDFJS.PDFLinkService = PDFLinkService;
@@ -3047,7 +3129,7 @@ var PDFHistory = (function () {
   PDFJS.DefaultAnnotationLayerFactory = DefaultAnnotationLayerFactory;
   PDFJS.PDFHistory = PDFHistory;
 
-  PDFJS.getFileName = getFileName;
+  PDFJS.DownloadManager = DownloadManager;
   PDFJS.ProgressBar = ProgressBar;
 }).call((typeof window === 'undefined') ? this : window);