Initial commit of new ChromeVox earcon engine.

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');
 
 goog.require('AutomationUtil.Dir');
 goog.require('cursors.Cursor');
 goog.require('cursors.Range');
 goog.require('cursors.Unit');
 goog.require('cvox.AbstractEarcons');
+goog.require('EarconEngine');
 goog.require('cvox.NavBraille');
 goog.require('cvox.Spannable');
 goog.require('cvox.ValueSelectionSpan');
 goog.require('cvox.ValueSpan');
 goog.require('goog.i18n.MessageFormat');
 
 goog.scope(function() {
 var Dir = AutomationUtil.Dir;
 
 /**
@@ skipping 489 matching lines @@
   Output.Action.call(this);
   /** @type {string} */
   this.earconId = earconId;
 };
 
 Output.EarconAction.prototype = {
   __proto__: Output.Action.prototype,
 
   /** @override */
   run: function() {
+    // TODO: use the new EarconEngine here.
+
     cvox.ChromeVox.earcons.playEarcon(cvox.AbstractEarcons[this.earconId]);
   }
 };
 
 /**
  * Annotation for selection.
  * @param {number} startIndex
  * @param {number} endIndex
  * @constructor
  */
@@ skipping 684 matching lines @@
     return this.brailleBuffer_.reduce(function(prev, cur) {
       if (prev.getLength() > 0 && cur.getLength() > 0)
         prev.append(Output.SPACE);
       prev.append(cur);
       return prev;
     }, new cvox.Spannable());
   }
 };
 
 });  // goog.scope