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gaia/apps/system/lockscreen/js/lockscreen_frame_agent.js

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+/**
+  Copyright 2012, Mozilla Foundation
+
+  Licensed under the Apache License, Version 2.0 (the "License");
+  you may not use this file except in compliance with the License.
+  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+  Unless required by applicable law or agreed to in writing, software
+  distributed under the License is distributed on an "AS IS" BASIS,
+  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  See the License for the specific language governing permissions and
+  limitations under the License.
+ */
+
+/**
+ * XXX: The name here is a temporary name. If we're in a LockScreen app,
+ * it should be 'SystemAgent' as a counterpart of 'LockScreenAgent'
+ * in System app. However, to put a 'SystemAgent' in System app
+ * would confuse people.
+ *
+ * Forward all public events inside the LockScreen frame to System.
+ * LockScreen --> System
+ */
+'use strict';
+(function(exports) {
+  var LockScreenFrameAgent = function(targetWindow) {
+    this.configs = {
+      listens: [
+        'unlocking-start',
+        'unlocking-stop',
+        'secure-killapps',
+        'secure-closeapps',
+        'secure-launchapp',
+        'secure-modeoff',
+        'secure-modeon',
+        'lockpanelchange',
+        'lockscreen-request-unlock',
+        'lockscreen-request-mediacommand'
+      ]
+    };
+    this.targetWindow = targetWindow;
+  };
+  LockScreenFrameAgent.prototype.start = function() {
+    this.configs.listens.forEach((ename) => {
+      window.addEventListener(ename, this);
+    });
+  };
+
+  LockScreenFrameAgent.prototype.handleEvent = function(event) {
+    // XXX: Before we make LockScreen really as an iframe,
+    // do nothing and let events pass through.
+    // After we put LockScreen in an iframe, re-create the event and
+    // dispatch it to System's window.
+  };
+
+  LockScreenFrameAgent.prototype.stop = function() {
+    this.configs.listens.forEach((ename) => {
+      window.removeEventListener(ename, this);
+    });
+  };
+  exports.LockScreenFrameAgent = LockScreenFrameAgent;
+})(window);