1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
7 * Class handling creation and teardown of a remoting host session.
9 * This abstracts a <embed> element and controls the plugin which does the
10 * actual remoting work. There should be no UI code inside this class. It
11 * should be purely thought of as a controller of sorts.
16 /** @suppress {duplicate} */
17 var remoting = remoting || {};
22 remoting.HostSession = function() {
25 /** @type {remoting.HostPlugin} */
26 remoting.HostSession.prototype.plugin = null;
28 // Note that these values are copied directly from host_script_object.h and
29 // must be kept in sync.
31 remoting.HostSession.State = {
35 REQUESTED_ACCESS_CODE: 2,
36 RECEIVED_ACCESS_CODE: 3,
40 INVALID_DOMAIN_ERROR: 7
44 * Create an instance of the host plugin.
45 * @return {remoting.HostPlugin} The new plugin instance.
47 remoting.HostSession.createPlugin = function() {
48 var plugin = document.createElement('embed');
49 plugin.type = remoting.settings.PLUGIN_MIMETYPE;
50 // Hiding the plugin means it doesn't load, so make it size zero instead.
53 return /** @type {remoting.HostPlugin} */ (plugin);
57 * Create the host plugin and initiate a connection.
58 * @param {Element} container The parent element to which to add the plugin.
59 * @param {string} email The user's email address.
60 * @param {string} accessToken A valid OAuth2 access token.
61 * @param {function(boolean):void} onNatTraversalPolicyChanged Callback
62 * for notification of changes to the NAT traversal policy.
63 * @param {function(remoting.HostSession.State):void} onStateChanged
64 * Callback for notifications of changes to the host plugin's state.
65 * @param {function(string):void} logDebugInfo Callback allowing the plugin
66 * to log messages to the debug log.
68 remoting.HostSession.prototype.createPluginAndConnect =
69 function(container, email, accessToken,
70 onNatTraversalPolicyChanged, onStateChanged, logDebugInfo) {
71 this.plugin = remoting.HostSession.createPlugin();
72 container.appendChild(this.plugin);
73 this.plugin.onNatTraversalPolicyChanged = onNatTraversalPolicyChanged;
74 this.plugin.onStateChanged = onStateChanged;
75 this.plugin.logDebugInfo = logDebugInfo;
76 this.plugin.localize(chrome.i18n.getMessage);
77 this.plugin.xmppServerAddress = remoting.settings.XMPP_SERVER_ADDRESS;
78 this.plugin.xmppServerUseTls = remoting.settings.XMPP_SERVER_USE_TLS;
79 this.plugin.directoryBotJid = remoting.settings.DIRECTORY_BOT_JID;
80 this.plugin.connect(email, 'oauth2:' + accessToken);
84 * Get the access code generated by the host plugin. Valid only after the
85 * plugin state is RECEIVED_ACCESS_CODE.
86 * @return {string} The access code.
88 remoting.HostSession.prototype.getAccessCode = function() {
89 return this.plugin.accessCode;
93 * Get the lifetime for the access code. Valid only after the plugin state is
94 * RECEIVED_ACCESS_CODE.
95 * @return {number} The access code lifetime, in seconds.
97 remoting.HostSession.prototype.getAccessCodeLifetime = function() {
98 return this.plugin.accessCodeLifetime;
102 * Get the email address of the connected client. Valid only after the plugin
103 * state is CONNECTED.
104 * @return {string} The client's email address.
106 remoting.HostSession.prototype.getClient = function() {
107 return this.plugin.client;
111 * Disconnect the client.
112 * @return {void} Nothing.
114 remoting.HostSession.prototype.disconnect = function() {
115 this.plugin.disconnect();
120 * Remove the plugin element from the document.
121 * @return {void} Nothing.
123 remoting.HostSession.prototype.removePlugin = function() {
124 this.plugin.parentNode.removeChild(this.plugin);