Finish implementing ChromeVox Next active indicator.

chrome/browser/resources/chromeos/chromevox/cvox2/background/background.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 The entry point for all ChromeVox2 related code for the
  * background page.
  */
 
 goog.provide('Background');
@@ skipping 131 matching lines @@
   /** @type {cursors.Range} */
   get currentRange() {
     return this.currentRange_;
   },
 
   set currentRange(value) {
     if (!value)
       return;
 
     this.currentRange_ = value;
+
+    if (this.currentRange_)
+      this.currentRange_.start.node.makeVisible();
   },
 
   /**
    * Handles ChromeVox Next commands.
    * @param {string} command
    * @param {boolean=} opt_bypassModeCheck Always tries to execute the command
    *    regardless of mode.
    * @return {boolean} True if the command should propagate.
    */
   onGotCommand: function(command, opt_bypassModeCheck) {
@@ skipping 157 matching lines @@
         global.isReadingContinuously = true;
         var continueReading = function(prevRange) {
           if (!global.isReadingContinuously || !this.currentRange_)
             return;
 
           new Output().withSpeechAndBraille(
                   this.currentRange_, prevRange, Output.EventType.NAVIGATE)
               .onSpeechEnd(function() { continueReading(prevRange); })
               .go();
           prevRange = this.currentRange_;
-          this.currentRange_ =
-              this.currentRange_.move(cursors.Unit.NODE, Dir.FORWARD);
+          this.currentRange =
+              this.currentRange.move(cursors.Unit.NODE, Dir.FORWARD);
 
           if (!this.currentRange_ || this.currentRange_.equals(prevRange))
             global.isReadingContinuously = false;
         }.bind(this);
 
         continueReading(null);
         return false;
       case 'showContextMenu':
         if (this.currentRange_) {
           var actionNode = this.currentRange_.start.node;
@@ skipping 55 matching lines @@
     }
 
     if (current) {
       // TODO(dtseng): Figure out what it means to focus a range.
       var actionNode = current.start.node;
       if (actionNode.role == RoleType.inlineTextBox)
         actionNode = actionNode.parent;
       actionNode.focus();
 
       var prevRange = this.currentRange_;
-      this.currentRange_ = current;
+      this.currentRange = current;
 
       new Output().withSpeechAndBraille(
               this.currentRange_, prevRange, Output.EventType.NAVIGATE)
           .go();
     }
 
     return false;
   },
 
   /**
@@ skipping 269 matching lines @@
     return glob.replace(/[.+^$(){}|[\]\\]/g, '\\$&')
         .replace(/\*/g, '.*')
         .replace(/\?/g, '.');
   }).join('|') + ')$');
 };
 
 /** @type {Background} */
 global.backgroundObj = new Background();
 
 });  // goog.scope