Expose images to accessibility

chrome/browser/resources/chromeos/chromevox/cvox2/background/output.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @fileoverview Provides output services for ChromeVox.
  */
 
 goog.provide('Output');
 goog.provide('Output.EventType');
@@ skipping 428 matching lines @@
       leave: ''
     },
     heading: {
       enter: '!relativePitch(hierarchicalLevel) ' +
           '$nameFromNode= ' +
           '$if($hierarchicalLevel, @tag_h+$hierarchicalLevel, $role) $state',
       speak: '!relativePitch(hierarchicalLevel) ' +
           '$nameOrDescendants= ' +
           '$if($hierarchicalLevel, @tag_h+$hierarchicalLevel, $role) $state'
     },
+    image: {
+      speak: '$if($name, $name, $urlFilename) ' +
+          '$value $state $role $description',
+    },
     inlineTextBox: {
       speak: '$name='
     },
     inputTime: {
       enter: '$nameFromNode $role $description'
     },
     link: {
       enter: '$nameFromNode= $role $state'
     },
     list: {
@@ skipping 602 matching lines @@
             this.append_(buff, Msgs.getMsg('selected'), options);
           } else {
             this.append_(buff, text, options);
           }
         } else if (token == 'name') {
           options.annotation.push(token);
           var earcon = node ? this.findEarcon_(node, opt_prevNode) : null;
           if (earcon)
             options.annotation.push(earcon);
           this.append_(buff, node.name, options);
+        } else if (token == 'urlFilename') {
+          options.annotation.push('name');
+          var url = node.url;
+          var filename = '';
+          if (url.substring(0, 4) != 'data') {
+            filename =
+                url.substring(url.lastIndexOf('/') + 1, url.lastIndexOf('.'));
+
+            // Hack to not speak the filename if it's ridiculously long.
+            if (filename.length >= 30)
+            filename = filename.substring(0, 16) + '...';
+          }
+          this.append_(buff, filename, options);
         } else if (token == 'nameFromNode') {
           if (chrome.automation.NameFromType[node.nameFrom] ==
               'contents')
             return;
 
           options.annotation.push('name');
           this.append_(buff, node.name, options);
         } else if (token == 'nameOrDescendants') {
           options.annotation.push(token);
           if (node.name)
@@ skipping 690 matching lines @@
   /**
    * Gets the output buffer for braille.
    * @return {!Spannable}
    */
   get brailleOutputForTest() {
     return this.createBrailleOutput_();
   }
 };
 
 });  // goog.scope