Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_object_installer.js |
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_object_installer.js b/chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_object_installer.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7ed7eb7af5e2cddc0f86833132fd9d26328352e4 |
--- /dev/null |
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/automation_object_installer.js |
@@ -0,0 +1,35 @@ |
+// Copyright 2016 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 bindings to instantiate objects in the automation API. |
+ * |
+ * Due to restrictions in the extension system, it is not ordinarily possible to |
+ * construct an object defined by the extension API. However, given an instance |
+ * of that object, we can save its constructor for future use. |
+ */ |
+ |
+goog.provide('AutomationObjectInstaller'); |
dmazzoni
2016/05/02 22:15:48
Nice hack! How about something like AutomationObje
David Tseng
2016/05/03 20:18:27
Done.
|
+ |
+/** |
+ * installs the AutomationNode and AutomationEvent classes based on an |
dmazzoni
2016/05/02 22:15:48
nit: capital I at start of sentence
David Tseng
2016/05/03 20:18:27
Done.
|
+ * AutomationNode instance. |
+ * @param {chrome.automation.AutomationNode} node |
+ */ |
+AutomationObjectInstaller.init = function(node) { |
+ chrome.automation.AutomationNode = |
+ /** @type {function (new:chrome.automation.AutomationNode)} */( |
+ node.constructor); |
+ node.addEventListener(chrome.automation.EventType.childrenChanged, |
+ function installAutomationEvent(e) { |
+ chrome.automation.AutomationEvent = |
+ /** @type {function (new:chrome.automation.AutomationEvent)} */( |
+ e.constructor); |
+ node.removeEventListener( |
+ chrome.automation.EventType.childrenChanged, |
+ installAutomationEvent, |
+ true); |
+ }, |
+ true); |
+}; |