1 files changed, 0 insertions, 146 deletions
diff --git a/b2g/components/Frames.jsm b/b2g/components/Frames.jsm
deleted file mode 100644
index 0eb00cb4c..000000000
--- a/b2g/components/Frames.jsm
+++ /dev/null
@@ -1,146 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this file,
- * You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-'use strict';
-
-this.EXPORTED_SYMBOLS = ['Frames'];
-
-const Cu = Components.utils;
-const Ci = Components.interfaces;
-
-Cu.import('resource://gre/modules/Services.jsm');
-Cu.import('resource://gre/modules/SystemAppProxy.jsm');
-
-const listeners = [];
-
-const Observer = {
-  // Save a map of (MessageManager => Frame) to be able to dispatch
-  // the FrameDestroyed event with a frame reference.
-  _frames: new Map(),
-
-  // Also save current number of iframes opened by app
-  _apps: new Map(),
-
-  start: function () {
-    Services.obs.addObserver(this, 'remote-browser-shown', false);
-    Services.obs.addObserver(this, 'inprocess-browser-shown', false);
-    Services.obs.addObserver(this, 'message-manager-close', false);
-
-    SystemAppProxy.getFrames().forEach(frame => {
-      let mm = frame.QueryInterface(Ci.nsIFrameLoaderOwner).frameLoader.messageManager;
-      this._frames.set(mm, frame);
-      let mozapp = frame.getAttribute('mozapp');
-      if (mozapp) {
-        this._apps.set(mozapp, (this._apps.get(mozapp) || 0) + 1);
-      }
-    });
-  },
-
-  stop: function () {
-    Services.obs.removeObserver(this, 'remote-browser-shown');
-    Services.obs.removeObserver(this, 'inprocess-browser-shown');
-    Services.obs.removeObserver(this, 'message-manager-close');
-    this._frames.clear();
-    this._apps.clear();
-  },
-
-  observe: function (subject, topic, data) {
-    switch(topic) {
-
-      // Listen for frame creation in OOP (device) as well as in parent process (b2g desktop)
-      case 'remote-browser-shown':
-      case 'inprocess-browser-shown':
-        let frameLoader = subject;
-
-        // get a ref to the app <iframe>
-        frameLoader.QueryInterface(Ci.nsIFrameLoader);
-        let frame = frameLoader.ownerElement;
-        let mm = frame.QueryInterface(Ci.nsIFrameLoaderOwner).frameLoader.messageManager;
-        this.onMessageManagerCreated(mm, frame);
-        break;
-
-      // Every time an iframe is destroyed, its message manager also is
-      case 'message-manager-close':
-        this.onMessageManagerDestroyed(subject);
-        break;
-    }
-  },
-
-  onMessageManagerCreated: function (mm, frame) {
-    this._frames.set(mm, frame);
-
-    let isFirstAppFrame = null;
-    let mozapp = frame.getAttribute('mozapp');
-    if (mozapp) {
-      let count = (this._apps.get(mozapp) || 0) + 1;
-      this._apps.set(mozapp, count);
-      isFirstAppFrame = (count === 1);
-    }
-
-    listeners.forEach(function (listener) {
-      try {
-        listener.onFrameCreated(frame, isFirstAppFrame);
-      } catch(e) {
-        dump('Exception while calling Frames.jsm listener:' + e + '\n' +
-             e.stack + '\n');
-      }
-    });
-  },
-
-  onMessageManagerDestroyed: function (mm) {
-    let frame = this._frames.get(mm);
-    if (!frame) {
-      // We received an event for an unknown message manager
-      return;
-    }
-
-    this._frames.delete(mm);
-
-    let isLastAppFrame = null;
-    let mozapp = frame.getAttribute('mozapp');
-    if (mozapp) {
-      let count = (this._apps.get(mozapp) || 0) - 1;
-      this._apps.set(mozapp, count);
-      isLastAppFrame = (count === 0);
-    }
-
-    listeners.forEach(function (listener) {
-      try {
-        listener.onFrameDestroyed(frame, isLastAppFrame);
-      } catch(e) {
-        dump('Exception while calling Frames.jsm listener:' + e + '\n' +
-             e.stack + '\n');
-      }
-    });
-  }
-
-};
-
-var Frames = this.Frames = {
-
-  list: () => SystemAppProxy.getFrames(),
-
-  addObserver: function (listener) {
-    if (listeners.indexOf(listener) !== -1) {
-      return;
-    }
-
-    listeners.push(listener);
-    if (listeners.length == 1) {
-      Observer.start();
-    }
-  },
-
-  removeObserver: function (listener) {
-    let idx = listeners.indexOf(listener);
-    if (idx !== -1) {
-      listeners.splice(idx, 1);
-    }
-    if (listeners.length === 0) {
-      Observer.stop();
-    }
-  }
-
-};
-