Use new earcons in ChromeVox Next.

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

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js
new file mode 100644
index 0000000000000000000000000000000000000000..519edc674b16ac22dfe5a2d91a6349fc6dc36ce6
--- /dev/null
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/next_earcons.js
@@ -0,0 +1,121 @@
+// Copyright 2015 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 Earcons library that uses EarconEngine to play back
+ * auditory cues.
+ */
+
+
+goog.provide('NextEarcons');
+
+goog.require('EarconEngine');
+goog.require('cvox.AbstractEarcons');
+goog.require('cvox.HostFactory');
+
+
+/**
+ * @constructor
+ * @extends {cvox.AbstractEarcons}
+ */
+NextEarcons = function() {
+  cvox.AbstractEarcons.call(this);
+
+  if (localStorage['earcons'] === 'false') {
+    cvox.AbstractEarcons.enabled = false;
+  }
+
+  /**
+   * @type {EarconEngine}
+   * @private
+   */
+  this.engine_ = new EarconEngine();
+};
+
+NextEarcons.prototype = {
+  /**
+   * @return {string} The human-readable name of the earcon set.
+   */
+  getName: function() {
+    return 'ChromeVox Next earcons';
+  },
+
+  /**
+   * @override
+   */
+  playEarcon: function(earcon) {
+    if (!cvox.AbstractEarcons.enabled) {
+      return;
+    }
+    console.log('Earcon ' + earcon);
+
+    switch (earcon) {
+      case cvox.Earcon.ALERT_MODAL:
+      case cvox.Earcon.ALERT_NONMODAL:
+        this.engine_.onAlert();
+        break;
+      case cvox.Earcon.BUTTON:
+        this.engine_.onButton();
+        break;
+      case cvox.Earcon.CHECK_OFF:
+        this.engine_.onCheckOff();
+        break;
+      case cvox.Earcon.CHECK_ON:
+        this.engine_.onCheckOn();
+        break;
+      case cvox.Earcon.EDITABLE_TEXT:
+        this.engine_.onTextField();
+        break;
+      case cvox.Earcon.INVALID_KEYPRESS:
+        this.engine_.onWrap();
+        break;
+      case cvox.Earcon.LINK:
+        this.engine_.onLink();
+        break;
+      case cvox.Earcon.LISTBOX:
+        this.engine_.onSelect();
+        break;
+      case cvox.Earcon.LIST_ITEM:
+      case cvox.Earcon.LONG_DESC:
+      case cvox.Earcon.MATH:
+      case cvox.Earcon.OBJECT_CLOSE:
+      case cvox.Earcon.OBJECT_ENTER:
+      case cvox.Earcon.OBJECT_EXIT:
+      case cvox.Earcon.OBJECT_OPEN:
+      case cvox.Earcon.OBJECT_SELECT:
+        // TODO(dmazzoni): decide if we want new earcons for these
+        // or not. We may choose to not have earcons for some of these.
+        break;
+      case cvox.Earcon.PAGE_FINISH_LOADING:
+        this.engine_.cancelProgress();
+        break;
+      case cvox.Earcon.PAGE_START_LOADING:
+        // TODO(dmazzoni): only when the page has focus.
+        this.engine_.startProgress();
+        break;
+      case cvox.Earcon.POP_UP_BUTTON:
+        this.engine_.onPopUpButton();
+        break;
+      case cvox.Earcon.RECOVER_FOCUS:
+        // TODO(dmazzoni): decide if we want new earcons for this.
+        break;
+      case cvox.Earcon.SELECTION:
+        this.engine_.onSelection();
+        break;
+      case cvox.Earcon.SELECTION_REVERSE:
+        this.engine_.onSelectionReverse();
+        break;
+      case cvox.Earcon.SKIP:
+        this.engine_.onSkim();
+        break;
+      case cvox.Earcon.SLIDER:
+        this.engine_.onSlider();
+        break;
+      case cvox.Earcon.WRAP:
+      case cvox.Earcon.WRAP_EDGE:
+        this.engine_.onWrap();
+        break;
+    }
+  }
+};