| // Copyright 2014 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 |
| * Class to communicate with the background scripts via chrome runtime |
| * messages to |
| * 1. Forward session state notifications |
| * 2. Closes the window when the session terminates |
| */ |
| |
| 'use strict'; |
| |
| /** @suppress {duplicate} */ |
| var remoting = remoting || {}; |
| |
| /** |
| * @constructor |
| * @param {string} senderId id of the current tab or window. |
| */ |
| remoting.HangoutSession = function(senderId) { |
| /** |
| * @private |
| * @type {chrome.runtime.Port} |
| */ |
| this.port_ = null; |
| |
| /** |
| * @private |
| * @type {string} |
| */ |
| this.senderId_ = senderId; |
| }; |
| |
| remoting.HangoutSession.prototype.init = function() { |
| var portName = 'it2me.helper.webapp@' + this.senderId_; |
| this.port_ = chrome.runtime.connect({name: portName}); |
| |
| remoting.hangoutSessionEvents.addEventListener( |
| remoting.hangoutSessionEvents.sessionStateChanged, |
| this.onSessionStateChanged_.bind(this)); |
| }; |
| |
| /** |
| * @param {remoting.ClientSession.State} state |
| */ |
| remoting.HangoutSession.prototype.onSessionStateChanged_ = function(state) { |
| var State = remoting.ClientSession.State; |
| try { |
| this.port_.postMessage({method: 'sessionStateChanged', state: state}); |
| } catch (e) { |
| // postMessage will throw an exception if the port is disconnected. |
| // We can safely ignore this exception. |
| var error = /** @type {Error} */ e; |
| console.error(error); |
| } finally { |
| if (state === State.FAILED || state === State.CLOSED) { |
| // close the current window |
| if (remoting.isAppsV2) { |
| chrome.app.window.current().close(); |
| } else { |
| window.close(); |
| } |
| } |
| } |
| }; |
| |
| |
| /** |
| * remoting.clientSession does not exist until the session is connected. |
| * hangoutSessionEvents serves as a global event source to plumb session |
| * state changes until we cleanup clientSession and sessionConnector. |
| * @type {base.EventSource} |
| */ |
| remoting.hangoutSessionEvents = new base.EventSource(); |
| |
| /** @type {string} */ |
| remoting.hangoutSessionEvents.sessionStateChanged = "sessionStateChanged"; |
| |
| remoting.hangoutSessionEvents.defineEvents( |
| [remoting.hangoutSessionEvents.sessionStateChanged]); |