Revert "upgrade pdf.js to v1.0.712"

This reverts commit 1ace92f67d91395d047281047be2f0cff5ea7848.

services/web/public/js/libs/compatibility.js

@@ -25,10 +25,9 @@ if (typeof PDFJS === 'undefined') {
 }
 
 // Checking if the typed arrays are supported
-// Support: iOS<6.0 (subarray), IE<10, Android<4.0
 (function checkTypedArrayCompatibility() {
   if (typeof Uint8Array !== 'undefined') {
-    // Support: iOS<6.0
+    // some mobile versions do not support subarray (e.g. safari 5 / iOS)
     if (typeof Uint8Array.prototype.subarray === 'undefined') {
         Uint8Array.prototype.subarray = function subarray(start, end) {
           return new Uint8Array(this.slice(start, end));
@@ -38,10 +37,10 @@ if (typeof PDFJS === 'undefined') {
         };
     }
 
-    // Support: Android<4.1
-    if (typeof Float64Array === 'undefined') {
+    // some mobile version might not support Float64Array
+    if (typeof Float64Array === 'undefined')
       window.Float64Array = Float32Array;
-    }
+
     return;
   }
 
@@ -50,26 +49,23 @@ if (typeof PDFJS === 'undefined') {
   }
 
   function setArrayOffset(array, offset) {
-    if (arguments.length < 2) {
+    if (arguments.length < 2)
       offset = 0;
-    }
-    for (var i = 0, n = array.length; i < n; ++i, ++offset) {
+    for (var i = 0, n = array.length; i < n; ++i, ++offset)
       this[offset] = array[i] & 0xFF;
-    }
   }
 
   function TypedArray(arg1) {
-    var result, i, n;
+    var result;
     if (typeof arg1 === 'number') {
       result = [];
-      for (i = 0; i < arg1; ++i) {
+      for (var i = 0; i < arg1; ++i)
         result[i] = 0;
-      }
     } else if ('slice' in arg1) {
       result = arg1.slice(0);
     } else {
       result = [];
-      for (i = 0, n = arg1.length; i < n; ++i) {
+      for (var i = 0, n = arg1.length; i < n; ++i) {
         result[i] = arg1[i];
       }
     }
@@ -79,14 +75,13 @@ if (typeof PDFJS === 'undefined') {
     result.byteLength = result.length;
     result.set = setArrayOffset;
 
-    if (typeof arg1 === 'object' && arg1.buffer) {
+    if (typeof arg1 === 'object' && arg1.buffer)
       result.buffer = arg1.buffer;
-    }
+
     return result;
   }
 
   window.Uint8Array = TypedArray;
-  window.Int8Array = TypedArray;
 
   // we don't need support for set, byteLength for 32-bit array
   // so we can use the TypedArray as well
@@ -98,15 +93,25 @@ if (typeof PDFJS === 'undefined') {
 })();
 
 // URL = URL || webkitURL
-// Support: Safari<7, Android 4.2+
 (function normalizeURLObject() {
   if (!window.URL) {
     window.URL = window.webkitURL;
   }
 })();
 
-// Object.defineProperty()?
-// Support: Android<4.0, Safari<5.1
+// Object.create() ?
+(function checkObjectCreateCompatibility() {
+  if (typeof Object.create !== 'undefined')
+    return;
+
+  Object.create = function objectCreate(proto) {
+    function Constructor() {}
+    Constructor.prototype = proto;
+    return new Constructor();
+  };
+})();
+
+// Object.defineProperty() ?
 (function checkObjectDefinePropertyCompatibility() {
   if (typeof Object.defineProperty !== 'undefined') {
     var definePropertyPossible = true;
@@ -122,19 +127,15 @@ if (typeof PDFJS === 'undefined') {
     } catch (e) {
       definePropertyPossible = false;
     }
-    if (definePropertyPossible) {
-      return;
-    }
+    if (definePropertyPossible) return;
   }
 
   Object.defineProperty = function objectDefineProperty(obj, name, def) {
     delete obj[name];
-    if ('get' in def) {
+    if ('get' in def)
       obj.__defineGetter__(name, def['get']);
-    }
-    if ('set' in def) {
+    if ('set' in def)
       obj.__defineSetter__(name, def['set']);
-    }
     if ('value' in def) {
       obj.__defineSetter__(name, function objectDefinePropertySetter(value) {
         this.__defineGetter__(name, function objectDefinePropertyGetter() {
@@ -147,35 +148,76 @@ if (typeof PDFJS === 'undefined') {
   };
 })();
 
+// Object.keys() ?
+(function checkObjectKeysCompatibility() {
+  if (typeof Object.keys !== 'undefined')
+    return;
 
-// No XMLHttpRequest#response?
-// Support: IE<11, Android <4.0
+  Object.keys = function objectKeys(obj) {
+    var result = [];
+    for (var i in obj) {
+      if (obj.hasOwnProperty(i))
+        result.push(i);
+    }
+    return result;
+  };
+})();
+
+// No readAsArrayBuffer ?
+(function checkFileReaderReadAsArrayBuffer() {
+  if (typeof FileReader === 'undefined')
+    return; // FileReader is not implemented
+  var frPrototype = FileReader.prototype;
+  // Older versions of Firefox might not have readAsArrayBuffer
+  if ('readAsArrayBuffer' in frPrototype)
+    return; // readAsArrayBuffer is implemented
+  Object.defineProperty(frPrototype, 'readAsArrayBuffer', {
+    value: function fileReaderReadAsArrayBuffer(blob) {
+      var fileReader = new FileReader();
+      var originalReader = this;
+      fileReader.onload = function fileReaderOnload(evt) {
+        var data = evt.target.result;
+        var buffer = new ArrayBuffer(data.length);
+        var uint8Array = new Uint8Array(buffer);
+
+        for (var i = 0, ii = data.length; i < ii; i++)
+          uint8Array[i] = data.charCodeAt(i);
+
+        Object.defineProperty(originalReader, 'result', {
+          value: buffer,
+          enumerable: true,
+          writable: false,
+          configurable: true
+        });
+
+        var event = document.createEvent('HTMLEvents');
+        event.initEvent('load', false, false);
+        originalReader.dispatchEvent(event);
+      };
+      fileReader.readAsBinaryString(blob);
+    }
+  });
+})();
+
+// No XMLHttpRequest.response ?
 (function checkXMLHttpRequestResponseCompatibility() {
   var xhrPrototype = XMLHttpRequest.prototype;
-  var xhr = new XMLHttpRequest();
-  if (!('overrideMimeType' in xhr)) {
+  if (!('overrideMimeType' in xhrPrototype)) {
     // IE10 might have response, but not overrideMimeType
-    // Support: IE10
     Object.defineProperty(xhrPrototype, 'overrideMimeType', {
       value: function xmlHttpRequestOverrideMimeType(mimeType) {}
     });
   }
-  if ('responseType' in xhr) {
+  if ('response' in xhrPrototype ||
+      'mozResponseArrayBuffer' in xhrPrototype ||
+      'mozResponse' in xhrPrototype ||
+      'responseArrayBuffer' in xhrPrototype)
     return;
-  }
-
-  // The worker will be using XHR, so we can save time and disable worker.
-  PDFJS.disableWorker = true;
-
-  // Support: IE9
+  // IE9 ?
   if (typeof VBArray !== 'undefined') {
     Object.defineProperty(xhrPrototype, 'response', {
       get: function xmlHttpRequestResponseGet() {
-        if (this.responseType === 'arraybuffer') {
-          return new Uint8Array(new VBArray(this.responseBody).toArray());
-        } else {
-          return this.responseText;
-        }
+        return new Uint8Array(new VBArray(this.responseBody).toArray());
       }
     });
     return;
@@ -186,7 +228,7 @@ if (typeof PDFJS === 'undefined') {
     // will be only called to set "arraybuffer"
     this.overrideMimeType('text/plain; charset=x-user-defined');
   }
-  if (typeof xhr.overrideMimeType === 'function') {
+  if (typeof xhrPrototype.overrideMimeType === 'function') {
     Object.defineProperty(xhrPrototype, 'responseType',
                           { set: responseTypeSetter });
   }
@@ -194,20 +236,17 @@ if (typeof PDFJS === 'undefined') {
     var text = this.responseText;
     var i, n = text.length;
     var result = new Uint8Array(n);
-    for (i = 0; i < n; ++i) {
+    for (i = 0; i < n; ++i)
       result[i] = text.charCodeAt(i) & 0xFF;
-    }
-    return result.buffer;
+    return result;
   }
   Object.defineProperty(xhrPrototype, 'response', { get: responseGetter });
 })();
 
 // window.btoa (base64 encode function) ?
-// Support: IE<10
 (function checkWindowBtoaCompatibility() {
-  if ('btoa' in window) {
+  if ('btoa' in window)
     return;
-  }
 
   var digits =
     'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
@@ -229,21 +268,17 @@ if (typeof PDFJS === 'undefined') {
   };
 })();
 
-// window.atob (base64 encode function)?
-// Support: IE<10
+// window.atob (base64 encode function) ?
 (function checkWindowAtobCompatibility() {
-  if ('atob' in window) {
+  if ('atob' in window)
     return;
-  }
 
   // https://github.com/davidchambers/Base64.js
   var digits =
     'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
   window.atob = function (input) {
     input = input.replace(/=+$/, '');
-    if (input.length % 4 === 1) {
-      throw new Error('bad atob input');
-    }
+    if (input.length % 4 == 1) throw new Error('bad atob input');
     for (
       // initialize result and counters
       var bc = 0, bs, buffer, idx = 0, output = '';
@@ -263,17 +298,15 @@ if (typeof PDFJS === 'undefined') {
   };
 })();
 
-// Function.prototype.bind?
-// Support: Android<4.0, iOS<6.0
+// Function.prototype.bind ?
 (function checkFunctionPrototypeBindCompatibility() {
-  if (typeof Function.prototype.bind !== 'undefined') {
+  if (typeof Function.prototype.bind !== 'undefined')
     return;
-  }
 
   Function.prototype.bind = function functionPrototypeBind(obj) {
     var fn = this, headArgs = Array.prototype.slice.call(arguments, 1);
     var bound = function functionPrototypeBindBound() {
-      var args = headArgs.concat(Array.prototype.slice.call(arguments));
+      var args = Array.prototype.concat.apply(headArgs, arguments);
       return fn.apply(obj, args);
     };
     return bound;
@@ -281,29 +314,23 @@ if (typeof PDFJS === 'undefined') {
 })();
 
 // HTMLElement dataset property
-// Support: IE<11, Safari<5.1, Android<4.0
 (function checkDatasetProperty() {
   var div = document.createElement('div');
-  if ('dataset' in div) {
+  if ('dataset' in div)
     return; // dataset property exists
-  }
 
   Object.defineProperty(HTMLElement.prototype, 'dataset', {
     get: function() {
-      if (this._dataset) {
+      if (this._dataset)
         return this._dataset;
-      }
 
       var dataset = {};
       for (var j = 0, jj = this.attributes.length; j < jj; j++) {
         var attribute = this.attributes[j];
-        if (attribute.name.substring(0, 5) !== 'data-') {
+        if (attribute.name.substring(0, 5) != 'data-')
           continue;
-        }
         var key = attribute.name.substring(5).replace(/\-([a-z])/g,
-          function(all, ch) {
-            return ch.toUpperCase();
-          });
+          function(all, ch) { return ch.toUpperCase(); });
         dataset[key] = attribute.value;
       }
 
@@ -319,26 +346,20 @@ if (typeof PDFJS === 'undefined') {
 })();
 
 // HTMLElement classList property
-// Support: IE<10, Android<4.0, iOS<5.0
 (function checkClassListProperty() {
   var div = document.createElement('div');
-  if ('classList' in div) {
+  if ('classList' in div)
     return; // classList property exists
-  }
 
   function changeList(element, itemName, add, remove) {
     var s = element.className || '';
     var list = s.split(/\s+/g);
-    if (list[0] === '') {
-      list.shift();
-    }
+    if (list[0] === '') list.shift();
     var index = list.indexOf(itemName);
-    if (index < 0 && add) {
+    if (index < 0 && add)
       list.push(itemName);
-    }
-    if (index >= 0 && remove) {
+    if (index >= 0 && remove)
       list.splice(index, 1);
-    }
     element.className = list.join(' ');
     return (index >= 0);
   }
@@ -360,9 +381,8 @@ if (typeof PDFJS === 'undefined') {
 
   Object.defineProperty(HTMLElement.prototype, 'classList', {
     get: function() {
-      if (this._classList) {
+      if (this._classList)
         return this._classList;
-      }
 
       var classList = Object.create(classListPrototype, {
         element: {
@@ -383,9 +403,6 @@ if (typeof PDFJS === 'undefined') {
 })();
 
 // Check console compatibility
-// In older IE versions the console object is not available
-// unless console is open.
-// Support: IE<10
 (function checkConsoleCompatibility() {
   if (!('console' in window)) {
     window.console = {
@@ -408,7 +425,6 @@ if (typeof PDFJS === 'undefined') {
 })();
 
 // Check onclick compatibility in Opera
-// Support: Opera<15
 (function checkOnClickCompatibility() {
   // workaround for reported Opera bug DSK-354448:
   // onclick fires on disabled buttons with opaque content
@@ -420,44 +436,30 @@ if (typeof PDFJS === 'undefined') {
   function isDisabled(node) {
     return node.disabled || (node.parentNode && isDisabled(node.parentNode));
   }
-  if (navigator.userAgent.indexOf('Opera') !== -1) {
+  if (navigator.userAgent.indexOf('Opera') != -1) {
     // use browser detection since we cannot feature-check this bug
     document.addEventListener('click', ignoreIfTargetDisabled, true);
   }
 })();
 
-// Checks if possible to use URL.createObjectURL()
-// Support: IE
-(function checkOnBlobSupport() {
-  // sometimes IE loosing the data created with createObjectURL(), see #3977
-  if (navigator.userAgent.indexOf('Trident') >= 0) {
-    PDFJS.disableCreateObjectURL = true;
-  }
-})();
-
 // Checks if navigator.language is supported
 (function checkNavigatorLanguage() {
-  if ('language' in navigator &&
-      /^[a-z]+(-[A-Z]+)?$/.test(navigator.language)) {
+  if ('language' in navigator)
     return;
-  }
-  function formatLocale(locale) {
-    var split = locale.split(/[-_]/);
-    split[0] = split[0].toLowerCase();
-    if (split.length > 1) {
-      split[1] = split[1].toUpperCase();
-    }
-    return split.join('-');
-  }
-  var language = navigator.language || navigator.userLanguage || 'en-US';
-  PDFJS.locale = formatLocale(language);
+  Object.defineProperty(navigator, 'language', {
+    get: function navigatorLanguage() {
+      var language = navigator.userLanguage || 'en-US';
+      return language.substring(0, 2).toLowerCase() +
+        language.substring(2).toUpperCase();
+    },
+    enumerable: true
+  });
 })();
 
 (function checkRangeRequests() {
   // Safari has issues with cached range requests see:
   // https://github.com/mozilla/pdf.js/issues/3260
   // Last tested with version 6.0.4.
-  // Support: Safari 6.0+
   var isSafari = Object.prototype.toString.call(
                   window.HTMLElement).indexOf('Constructor') > 0;
 
@@ -465,7 +467,6 @@ if (typeof PDFJS === 'undefined') {
   // https://github.com/mozilla/pdf.js/issues/3381.
   // Make sure that we only match webkit-based Android browsers,
   // since Firefox/Fennec works as expected.
-  // Support: Android<3.0
   var regex = /Android\s[0-2][^\d]/;
   var isOldAndroid = regex.test(navigator.userAgent);
 
@@ -475,89 +476,8 @@ if (typeof PDFJS === 'undefined') {
 })();
 
 // Check if the browser supports manipulation of the history.
-// Support: IE<10, Android<4.2
 (function checkHistoryManipulation() {
-  // Android 2.x has so buggy pushState support that it was removed in
-  // Android 3.0 and restored as late as in Android 4.2.
-  // Support: Android 2.x
-  if (!history.pushState || navigator.userAgent.indexOf('Android 2.') >= 0) {
+  if (!window.history.pushState) {
     PDFJS.disableHistory = true;
   }
 })();
-
-// Support: IE<11, Chrome<21, Android<4.4, Safari<6
-(function checkSetPresenceInImageData() {
-  // IE < 11 will use window.CanvasPixelArray which lacks set function.
-  if (window.CanvasPixelArray) {
-    if (typeof window.CanvasPixelArray.prototype.set !== 'function') {
-      window.CanvasPixelArray.prototype.set = function(arr) {
-        for (var i = 0, ii = this.length; i < ii; i++) {
-          this[i] = arr[i];
-        }
-      };
-    }
-  } else {
-    // Old Chrome and Android use an inaccessible CanvasPixelArray prototype.
-    // Because we cannot feature detect it, we rely on user agent parsing.
-    var polyfill = false, versionMatch;
-    if (navigator.userAgent.indexOf('Chrom') >= 0) {
-      versionMatch = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
-      // Chrome < 21 lacks the set function.
-      polyfill = versionMatch && parseInt(versionMatch[2]) < 21;
-    } else if (navigator.userAgent.indexOf('Android') >= 0) {
-      // Android < 4.4 lacks the set function.
-      // Android >= 4.4 will contain Chrome in the user agent,
-      // thus pass the Chrome check above and not reach this block.
-      polyfill = /Android\s[0-4][^\d]/g.test(navigator.userAgent);
-    } else if (navigator.userAgent.indexOf('Safari') >= 0) {
-      versionMatch = navigator.userAgent.
-        match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
-      // Safari < 6 lacks the set function.
-      polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
-    }
-
-    if (polyfill) {
-      var contextPrototype = window.CanvasRenderingContext2D.prototype;
-      contextPrototype._createImageData = contextPrototype.createImageData;
-      contextPrototype.createImageData = function(w, h) {
-        var imageData = this._createImageData(w, h);
-        imageData.data.set = function(arr) {
-          for (var i = 0, ii = this.length; i < ii; i++) {
-            this[i] = arr[i];
-          }
-        };
-        return imageData;
-      };
-    }
-  }
-})();
-
-// Support: IE<10, Android<4.0, iOS
-(function checkRequestAnimationFrame() {
-  function fakeRequestAnimationFrame(callback) {
-    window.setTimeout(callback, 20);
-  }
-
-  var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
-  if (isIOS) {
-    // requestAnimationFrame on iOS is broken, replacing with fake one.
-    window.requestAnimationFrame = fakeRequestAnimationFrame;
-    return;
-  }
-  if ('requestAnimationFrame' in window) {
-    return;
-  }
-  window.requestAnimationFrame =
-    window.mozRequestAnimationFrame ||
-    window.webkitRequestAnimationFrame ||
-    fakeRequestAnimationFrame;
-})();
-
-(function checkCanvasSizeLimitation() {
-  var isIOS = /(iPad|iPhone|iPod)/g.test(navigator.userAgent);
-  var isAndroid = /Android/g.test(navigator.userAgent);
-  if (isIOS || isAndroid) {
-    // 5MP
-    PDFJS.maxCanvasPixels = 5242880;
-  }
-})();