Updated pdf.js to 1.7.225 (Fix #193)

cps/static/js/libs/compatibility.js

@@ -12,9 +12,25 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+/* eslint strict: ["error", "function"] */
+/* eslint-disable no-extend-native */
 /* globals VBArray, PDFJS */
 
-'use strict';
+(function compatibilityWrapper() {
+  'use strict';
+
+var userAgent = navigator.userAgent;
+
+var isAndroid = /Android/.test(userAgent);
+var isAndroidPre3 = /Android\s[0-2][^\d]/.test(userAgent);
+var isAndroidPre5 = /Android\s[0-4][^\d]/.test(userAgent);
+var isChrome = userAgent.indexOf('Chrom') >= 0;
+var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(userAgent);
+var isIE = userAgent.indexOf('Trident') >= 0;
+var isIOS = /\b(iPad|iPhone|iPod)(?=;)/.test(userAgent);
+var isOpera = userAgent.indexOf('Opera') >= 0;
+var isSafari = /Safari\//.test(userAgent) &&
+               !/(Chrome\/|Android\s)/.test(userAgent);
 
 // Initializing PDFJS global object here, it case if we need to change/disable
 // some PDF.js features, e.g. range requests
@@ -28,12 +44,12 @@ if (typeof PDFJS === 'undefined') {
   if (typeof Uint8Array !== 'undefined') {
     // Support: iOS<6.0
     if (typeof Uint8Array.prototype.subarray === 'undefined') {
-        Uint8Array.prototype.subarray = function subarray(start, end) {
-          return new Uint8Array(this.slice(start, end));
-        };
-        Float32Array.prototype.subarray = function subarray(start, end) {
-          return new Float32Array(this.slice(start, end));
-        };
+      Uint8Array.prototype.subarray = function subarray(start, end) {
+        return new Uint8Array(this.slice(start, end));
+      };
+      Float32Array.prototype.subarray = function subarray(start, end) {
+        return new Float32Array(this.slice(start, end));
+      };
     }
 
     // Support: Android<4.1
@@ -186,9 +202,8 @@ if (typeof PDFJS === 'undefined') {
       get: function xmlHttpRequestResponseGet() {
         if (this.responseType === 'arraybuffer') {
           return new Uint8Array(new VBArray(this.responseBody).toArray());
-        } else {
-          return this.responseText;
         }
+        return this.responseText;
       }
     });
     return;
@@ -256,7 +271,7 @@ if (typeof PDFJS === 'undefined') {
       // initialize result and counters
       var bc = 0, bs, buffer, idx = 0, output = '';
       // get next character
-      buffer = input.charAt(idx++);
+      (buffer = input.charAt(idx++));
       // character found in table?
       // initialize bit storage and add its ascii value
       ~buffer && (bs = bc % 4 ? bs * 64 + buffer : buffer,
@@ -428,7 +443,7 @@ if (typeof PDFJS === 'undefined') {
   function isDisabled(node) {
     return node.disabled || (node.parentNode && isDisabled(node.parentNode));
   }
-  if (navigator.userAgent.indexOf('Opera') !== -1) {
+  if (isOpera) {
     // use browser detection since we cannot feature-check this bug
     document.addEventListener('click', ignoreIfTargetDisabled, true);
   }
@@ -438,7 +453,7 @@ if (typeof PDFJS === 'undefined') {
 // Support: IE
 (function checkOnBlobSupport() {
   // sometimes IE loosing the data created with createObjectURL(), see #3977
-  if (navigator.userAgent.indexOf('Trident') >= 0) {
+  if (isIE) {
     PDFJS.disableCreateObjectURL = true;
   }
 })();
@@ -451,26 +466,19 @@ if (typeof PDFJS === 'undefined') {
   PDFJS.locale = navigator.userLanguage || 'en-US';
 })();
 
+// Support: Safari 6.0+, Android<3.0, Chrome 39/40, iOS
 (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;
 
   // Older versions of Android (pre 3.0) has issues with range requests, see:
   // 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);
 
   // Range requests are broken in Chrome 39 and 40, https://crbug.com/442318
-  var isChromeWithRangeBug = /Chrome\/(39|40)\./.test(navigator.userAgent);
-
-  if (isSafari || isOldAndroid || isChromeWithRangeBug) {
+  if (isSafari || isAndroidPre3 || isChromeWithRangeBug || isIOS) {
     PDFJS.disableRange = true;
     PDFJS.disableStream = true;
   }
@@ -482,7 +490,7 @@ if (typeof PDFJS === 'undefined') {
   // 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 (!history.pushState || isAndroidPre3) {
     PDFJS.disableHistory = true;
   }
 })();
@@ -502,17 +510,17 @@ if (typeof PDFJS === 'undefined') {
     // 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]+)\./);
+    if (isChrome) {
+      versionMatch = 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) {
+    } else if (isAndroid) {
       // 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.
+      polyfill = isAndroidPre5;
+    } else if (isSafari) {
+      versionMatch = userAgent.
         match(/Version\/([0-9]+)\.([0-9]+)\.([0-9]+) Safari\//);
       // Safari < 6 lacks the set function.
       polyfill = versionMatch && parseInt(versionMatch[1]) < 6;
@@ -542,7 +550,6 @@ if (typeof PDFJS === 'undefined') {
     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;
@@ -557,9 +564,8 @@ if (typeof PDFJS === 'undefined') {
     fakeRequestAnimationFrame;
 })();
 
+// Support: Android, iOS
 (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;
@@ -569,9 +575,7 @@ if (typeof PDFJS === 'undefined') {
 // Disable fullscreen support for certain problematic configurations.
 // Support: IE11+ (when embedded).
 (function checkFullscreenSupport() {
-  var isEmbeddedIE = (navigator.userAgent.indexOf('Trident') >= 0 &&
-                      window.parent !== window);
-  if (isEmbeddedIE) {
+  if (isIE && window.parent !== window) {
     PDFJS.disableFullscreen = true;
   }
 })();
@@ -591,3 +595,45 @@ if (typeof PDFJS === 'undefined') {
     configurable: true
   });
 })();
+
+// Provides `input.type = 'type'` runtime failure protection.
+// Support: IE9,10.
+(function checkInputTypeNumberAssign() {
+  var el = document.createElement('input');
+  try {
+    el.type = 'number';
+  } catch (ex) {
+    var inputProto = el.constructor.prototype;
+    var typeProperty = Object.getOwnPropertyDescriptor(inputProto, 'type');
+    Object.defineProperty(inputProto, 'type', {
+      get: function () { return typeProperty.get.call(this); },
+      set: function (value) {
+        typeProperty.set.call(this, value === 'number' ? 'text' : value);
+      },
+      enumerable: true,
+      configurable: true
+    });
+  }
+})();
+
+// Provides correct document.readyState value for legacy browsers.
+// Support: IE9,10.
+(function checkDocumentReadyState() {
+  if (!document.attachEvent) {
+    return;
+  }
+  var documentProto = document.constructor.prototype;
+  var readyStateProto = Object.getOwnPropertyDescriptor(documentProto,
+                                                        'readyState');
+  Object.defineProperty(documentProto, 'readyState', {
+    get: function () {
+      var value = readyStateProto.get.call(this);
+      return value === 'interactive' ? 'loading' : value;
+    },
+    set: function (value) { readyStateProto.set.call(this, value); },
+    enumerable: true,
+    configurable: true
+  });
+})();
+
+}).call((typeof window === 'undefined') ? this : window);

cps/static/js/libs/debugger.js

@@ -158,6 +158,8 @@ var FontInspector = (function FontInspectorClosure() {
   };
 })();
 
+var opMap;
+
 // Manages all the page steppers.
 var StepperManager = (function StepperManagerClosure() {
   var steppers = [];
@@ -171,7 +173,7 @@ var StepperManager = (function StepperManagerClosure() {
     name: 'Stepper',
     panel: null,
     manager: null,
-    init: function init() {
+    init: function init(pdfjsLib) {
       var self = this;
       this.panel.setAttribute('style', 'padding: 5px;');
       stepperControls = document.createElement('div');
@@ -186,6 +188,11 @@ var StepperManager = (function StepperManagerClosure() {
       if (sessionStorage.getItem('pdfjsBreakPoints')) {
         breakPoints = JSON.parse(sessionStorage.getItem('pdfjsBreakPoints'));
       }
+
+      opMap = Object.create(null);
+      for (var key in pdfjsLib.OPS) {
+        opMap[pdfjsLib.OPS[key]] = key;
+      }
     },
     cleanup: function cleanup() {
       stepperChooser.textContent = '';
@@ -251,8 +258,6 @@ var Stepper = (function StepperClosure() {
     return d;
   }
 
-  var opMap = null;
-
   function simplifyArgs(args) {
     if (typeof args === 'string') {
       var MAX_STRING_LENGTH = 75;
@@ -290,7 +295,7 @@ var Stepper = (function StepperClosure() {
     this.operatorListIdx = 0;
   }
   Stepper.prototype = {
-    init: function init(pdfjsLib) {
+    init: function init(operatorList) {
       var panel = this.panel;
       var content = c('div', 'c=continue, s=step');
       var table = c('table');
@@ -304,12 +309,7 @@ var Stepper = (function StepperClosure() {
       headerRow.appendChild(c('th', 'args'));
       panel.appendChild(content);
       this.table = table;
-      if (!opMap) {
-        opMap = Object.create(null);
-        for (var key in pdfjsLib.OPS) {
-          opMap[pdfjsLib.OPS[key]] = key;
-        }
-      }
+      this.updateOperatorList(operatorList);
     },
     updateOperatorList: function updateOperatorList(operatorList) {
       var self = this;
@@ -403,13 +403,13 @@ var Stepper = (function StepperClosure() {
       var listener = function(e) {
         switch (e.keyCode) {
           case 83: // step
-            dom.removeEventListener('keydown', listener, false);
+            dom.removeEventListener('keydown', listener);
             self.nextBreakPoint = self.currentIdx + 1;
             self.goTo(-1);
             callback();
             break;
           case 67: // continue
-            dom.removeEventListener('keydown', listener, false);
+            dom.removeEventListener('keydown', listener);
             var breakPoint = self.getNextBreakPoint();
             self.nextBreakPoint = breakPoint;
             self.goTo(-1);
@@ -417,7 +417,7 @@ var Stepper = (function StepperClosure() {
             break;
         }
       };
-      dom.addEventListener('keydown', listener, false);
+      dom.addEventListener('keydown', listener);
       self.goTo(idx);
     },
     goTo: function goTo(idx) {
@@ -578,7 +578,7 @@ var PDFBug = (function PDFBugClosure() {
         } else {
           panel.textContent = tool.name + ' is disabled. To enable add ' +
                               ' "' + tool.id + '" to the pdfBug parameter ' +
-                              'and refresh (seperate multiple by commas).';
+                              'and refresh (separate multiple by commas).';
         }
         buttons.push(panelButton);
       }

cps/static/js/libs/l10n.js

@@ -101,9 +101,7 @@ document.webL10n = (function(window, document, undefined) {
 
   function xhrLoadText(url, onSuccess, onFailure) {
     onSuccess = onSuccess || function _onSuccess(data) {};
-    onFailure = onFailure || function _onFailure() {
-      console.warn(url + ' not found.');
-    };
+    onFailure = onFailure || function _onFailure() {};
 
     var xhr = new XMLHttpRequest();
     xhr.open('GET', url, gAsyncResourceLoading);
@@ -244,7 +242,10 @@ document.webL10n = (function(window, document, undefined) {
       function loadImport(url, callback) {
         xhrLoadText(url, function(content) {
           parseRawLines(content, false, callback); // don't allow recursive imports
-        }, null);
+        }, function () {
+          console.warn(url + ' not found.');
+          callback();
+        });
       }
 
       // fill the dictionary