Purge b2g/

1 files changed, 0 insertions, 377 deletions

diff --git a/b2g/components/SystemAppProxy.jsm b/b2g/components/SystemAppProxy.jsm
deleted file mode 100644
index b3d5843fc..000000000
--- a/b2g/components/SystemAppProxy.jsm
+++ /dev/null
@@ -1,377 +0,0 @@
-/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- /
-/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
-/* 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';
-
-const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
-
-Cu.import('resource://gre/modules/XPCOMUtils.jsm');
-Cu.import('resource://gre/modules/Services.jsm');
-
-this.EXPORTED_SYMBOLS = ['SystemAppProxy'];
-
-const kMainSystemAppId = 'main';
-
-var SystemAppProxy = {
-  _frameInfoMap: new Map(),
-  _pendingLoadedEvents: [],
-  _pendingReadyEvents: [],
-  _pendingListeners: [],
-
-  // To call when a main system app iframe is created
-  // Only used for main system app.
-  registerFrame: function systemApp_registerFrame(frame) {
-    this.registerFrameWithId(kMainSystemAppId, frame);
-  },
-
-  // To call when a new system(-remote) app iframe is created with ID
-  registerFrameWithId: function systemApp_registerFrameWithId(frameId,
-                                                              frame) {
-    // - Frame ID of main system app is predefined as 'main'.
-    // - Frame ID of system-remote app is defined themselves.
-    //
-    // frameInfo = {
-    //    isReady: ...,
-    //    isLoaded: ...,
-    //    frame: ...
-    // }
-
-    let frameInfo = { frameId: frameId,
-                      isReady: false,
-                      isLoaded: false,
-                      frame: frame };
-
-    this._frameInfoMap.set(frameId, frameInfo);
-
-    // Register all DOM event listeners added before we got a ref to
-    // this system app iframe.
-    this._pendingListeners
-        .forEach(args => {
-          if (args[0] === frameInfo.frameId) {
-            this.addEventListenerWithId.apply(this, args);
-          }
-        });
-    // Removed registered event listeners.
-    this._pendingListeners =
-      this._pendingListeners
-          .filter(args => { return args[0] != frameInfo.frameId; });
-  },
-
-  unregisterFrameWithId: function systemApp_unregisterFrameWithId(frameId) {
-    this._frameInfoMap.delete(frameId);
-    // remove all pending event listener to the deleted system(-remote) app
-    this._pendingListeners = this._pendingListeners.filter(
-      args => { return args[0] != frameId; });
-    this._pendingReadyEvents = this._pendingReadyEvents.filter(
-        ([evtFrameId]) => { return evtFrameId != frameId });
-    this._pendingLoadedEvents = this._pendingLoadedEvents.filter(
-        ([evtFrameId]) => { return evtFrameId != frameId });
-  },
-
-  // Get the main system app frame
-  _getMainSystemAppInfo: function systemApp_getMainSystemAppInfo() {
-    return this._frameInfoMap.get(kMainSystemAppId);
-  },
-
-  // Get the main system app frame
-  // Only used for the main system app.
-  getFrame: function systemApp_getFrame() {
-    return this.getFrameWithId(kMainSystemAppId);
-  },
-
-  // Get the frame of the specific system app
-  getFrameWithId: function systemApp_getFrameWithId(frameId) {
-    let frameInfo = this._frameInfoMap.get(frameId);
-
-    if (!frameInfo) {
-      throw new Error('no frame ID is ' + frameId);
-    }
-    if (!frameInfo.frame) {
-      throw new Error('no content window');
-    }
-    return frameInfo.frame;
-  },
-
-  // To call when the load event of the main system app document is triggered.
-  // i.e. everything that is not lazily loaded are run and done.
-  // Only used for the main system app.
-  setIsLoaded: function systemApp_setIsLoaded() {
-    this.setIsLoadedWithId(kMainSystemAppId);
-  },
-
-  // To call when the load event of the specific system app document is
-  // triggered. i.e. everything that is not lazily loaded are run and done.
-  setIsLoadedWithId: function systemApp_setIsLoadedWithId(frameId) {
-    let frameInfo = this._frameInfoMap.get(frameId);
-    if (!frameInfo) {
-      throw new Error('no frame ID is ' + frameId);
-    }
-
-    if (frameInfo.isLoaded) {
-      if (frameInfo.frameId === kMainSystemAppId) {
-        Cu.reportError('SystemApp has already been declared as being loaded.');
-      }
-      else {
-        Cu.reportError('SystemRemoteApp (ID: ' + frameInfo.frameId + ') ' +
-                       'has already been declared as being loaded.');
-      }
-    }
-
-    frameInfo.isLoaded = true;
-
-    // Dispatch all events being queued while the system app was still loading
-    this._pendingLoadedEvents
-        .forEach(([evtFrameId, evtType, evtDetails]) => {
-          if (evtFrameId === frameInfo.frameId) {
-            this.sendCustomEventWithId(evtFrameId, evtType, evtDetails, true);
-          }
-        });
-    // Remove sent events.
-    this._pendingLoadedEvents =
-      this._pendingLoadedEvents
-          .filter(([evtFrameId]) => { return evtFrameId != frameInfo.frameId });
-  },
-
-  // To call when the main system app is ready to receive events
-  // i.e. when system-message-listener-ready mozContentEvent is sent.
-  // Only used for the main system app.
-  setIsReady: function systemApp_setIsReady() {
-    this.setIsReadyWithId(kMainSystemAppId);
-  },
-
-  // To call when the specific system(-remote) app is ready to receive events
-  // i.e. when system-message-listener-ready mozContentEvent is sent.
-  setIsReadyWithId: function systemApp_setIsReadyWithId(frameId) {
-    let frameInfo = this._frameInfoMap.get(frameId);
-    if (!frameInfo) {
-      throw new Error('no frame ID is ' + frameId);
-    }
-
-    if (!frameInfo.isLoaded) {
-      Cu.reportError('SystemApp.setIsLoaded() should be called before setIsReady().');
-    }
-
-    if (frameInfo.isReady) {
-      Cu.reportError('SystemApp has already been declared as being ready.');
-    }
-
-    frameInfo.isReady = true;
-
-    // Dispatch all events being queued while the system app was still not ready
-    this._pendingReadyEvents
-        .forEach(([evtFrameId, evtType, evtDetails]) => {
-          if (evtFrameId === frameInfo.frameId) {
-            this.sendCustomEventWithId(evtFrameId, evtType, evtDetails);
-          }
-        });
-
-    // Remove sent events.
-    this._pendingReadyEvents =
-      this._pendingReadyEvents
-          .filter(([evtFrameId]) => { return evtFrameId != frameInfo.frameId });
-  },
-
-  /*
-   * Common way to send an event to the main system app.
-   * Only used for the main system app.
-   *
-   * // In gecko code:
-   *   SystemAppProxy.sendCustomEvent('foo', { data: 'bar' });
-   * // In system app:
-   *   window.addEventListener('foo', function (event) {
-   *     event.details == 'bar'
-   *   });
-   *
-   *   @param type      The custom event type.
-   *   @param details   The event details.
-   *   @param noPending Set to true to emit this event even before the system
-   *                    app is ready.
-   *                    Event is always pending if the app is not loaded yet.
-   *   @param target    The element who dispatch this event.
-   *
-   *   @returns event?  Dispatched event, or null if the event is pending.
-   */
-  _sendCustomEvent: function systemApp_sendCustomEvent(type,
-                                                       details,
-                                                       noPending,
-                                                       target) {
-    let args = Array.prototype.slice.call(arguments);
-    return this.sendCustomEventWithId
-               .apply(this, [kMainSystemAppId].concat(args));
-  },
-
-  /*
-   * Common way to send an event to the specific system app.
-   *
-   * // In gecko code (send custom event from main system app):
-   *   SystemAppProxy.sendCustomEventWithId('main', 'foo', { data: 'bar' });
-   * // In system app:
-   *   window.addEventListener('foo', function (event) {
-   *     event.details == 'bar'
-   *   });
-   *
-   *   @param frameId   Specify the system(-remote) app who dispatch this event.
-   *   @param type      The custom event type.
-   *   @param details   The event details.
-   *   @param noPending Set to true to emit this event even before the system
-   *                    app is ready.
-   *                    Event is always pending if the app is not loaded yet.
-   *   @param target    The element who dispatch this event.
-   *
-   *   @returns event?  Dispatched event, or null if the event is pending.
-   */
-  sendCustomEventWithId: function systemApp_sendCustomEventWithId(frameId,
-                                                                  type,
-                                                                  details,
-                                                                  noPending,
-                                                                  target) {
-    let frameInfo = this._frameInfoMap.get(frameId);
-    let content = (frameInfo && frameInfo.frame) ?
-                  frameInfo.frame.contentWindow : null;
-    // If the system app isn't loaded yet,
-    // queue events until someone calls setIsLoaded
-    if (!content || !(frameInfo && frameInfo.isLoaded)) {
-      if (noPending) {
-        this._pendingLoadedEvents.push([frameId, type, details]);
-      } else {
-        this._pendingReadyEvents.push([frameId, type, details]);
-      }
-      return null;
-    }
-
-    // If the system app isn't ready yet,
-    // queue events until someone calls setIsReady
-    if (!(frameInfo && frameInfo.isReady) && !noPending) {
-      this._pendingReadyEvents.push([frameId, type, details]);
-      return null;
-    }
-
-    let event = content.document.createEvent('CustomEvent');
-
-    let payload;
-    // If the root object already has __exposedProps__,
-    // we consider the caller already wrapped (correctly) the object.
-    if ('__exposedProps__' in details) {
-      payload = details;
-    } else {
-      payload = details ? Cu.cloneInto(details, content) : {};
-    }
-
-    if ((target || content) === frameInfo.frame.contentWindow) {
-      dump('XXX FIXME : Dispatch a ' + type + ': ' + details.type + '\n');
-    }
-
-    event.initCustomEvent(type, true, false, payload);
-    (target || content).dispatchEvent(event);
-
-    return event;
-  },
-
-  // Now deprecated, use sendCustomEvent with a custom event name
-  dispatchEvent: function systemApp_dispatchEvent(details, target) {
-    return this._sendCustomEvent('mozChromeEvent', details, false, target);
-  },
-
-  dispatchKeyboardEvent: function systemApp_dispatchKeyboardEvent(type, details) {
-    try {
-      let frameInfo = this._getMainSystemAppInfo();
-      let content = (frameInfo && frameInfo.frame) ? frameInfo.frame.contentWindow
-                                                   : null;
-      if (!content) {
-        throw new Error('no content window');
-      }
-      // If we don't already have a TextInputProcessor, create one now
-      if (!this.TIP) {
-        this.TIP = Cc['@mozilla.org/text-input-processor;1']
-          .createInstance(Ci.nsITextInputProcessor);
-        if (!this.TIP) {
-          throw new Error('failed to create textInputProcessor');
-        }
-      }
-
-      if (!this.TIP.beginInputTransactionForTests(content)) {
-        this.TIP = null;
-        throw new Error('beginInputTransaction failed');
-      }
-
-      let e = new content.KeyboardEvent('', { key: details.key, });
-
-      if (type === 'keydown') {
-        this.TIP.keydown(e);
-      }
-      else if (type === 'keyup') {
-        this.TIP.keyup(e);
-      }
-      else {
-        throw new Error('unexpected event type: ' + type);
-      }
-    }
-    catch(e) {
-      dump('dispatchKeyboardEvent: ' + e + '\n');
-    }
-  },
-
-  // Listen for dom events on the main system app
-  addEventListener: function systemApp_addEventListener() {
-    let args = Array.prototype.slice.call(arguments);
-    this.addEventListenerWithId.apply(this, [kMainSystemAppId].concat(args));
-  },
-
-  // Listen for dom events on the specific system app
-  addEventListenerWithId: function systemApp_addEventListenerWithId(frameId,
-                                                                    ...args) {
-    let frameInfo = this._frameInfoMap.get(frameId);
-
-    if (!frameInfo) {
-      this._pendingListeners.push(arguments);
-      return false;
-    }
-
-    let content = frameInfo.frame.contentWindow;
-    content.addEventListener.apply(content, args);
-    return true;
-  },
-
-  // remove the event listener from the main system app
-  removeEventListener: function systemApp_removeEventListener(name, listener) {
-    this.removeEventListenerWithId.apply(this, [kMainSystemAppId, name, listener]);
-  },
-
-  // remove the event listener from the specific system app
-  removeEventListenerWithId: function systemApp_removeEventListenerWithId(frameId,
-                                                                          name,
-                                                                          listener) {
-    let frameInfo = this._frameInfoMap.get(frameId);
-
-    if (frameInfo) {
-      let content = frameInfo.frame.contentWindow;
-      content.removeEventListener.apply(content, [name, listener]);
-    }
-    else {
-      this._pendingListeners = this._pendingListeners.filter(
-        args => {
-          return args[0] != frameId || args[1] != name || args[2] != listener;
-        });
-    }
-  },
-
-  // Get all frame in system app
-  getFrames: function systemApp_getFrames(frameId) {
-    let frameList = [];
-
-    for (let frameId of this._frameInfoMap.keys()) {
-      let frameInfo = this._frameInfoMap.get(frameId);
-      let systemAppFrame = frameInfo.frame;
-      let subFrames = systemAppFrame.contentDocument.querySelectorAll('iframe');
-      frameList.push(systemAppFrame);
-      for (let i = 0; i < subFrames.length; ++i) {
-        frameList.push(subFrames[i]);
-      }
-    }
-    return frameList;
-  }
-};
-this.SystemAppProxy = SystemAppProxy;