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.
4 */
5
6/**
7 * @fileoverview
8 * A class that provides an interface to a WCS connection.
9 */
10
11'use strict';
12
13/** @suppress {duplicate} */
14var remoting = remoting || {};
15
16/** @type {remoting.Wcs} */
17remoting.wcs = null;
18
19/**
20 * @constructor
21 * @param {remoting.WcsIqClient} wcsIqClient The WCS client.
22 * @param {string} token An OAuth2 access token.
23 * @param {function(string): void} onReady Called with the WCS client's JID.
24 */
25remoting.Wcs = function(wcsIqClient, token, onReady) {
26  /**
27   * The WCS client.
28   * @type {remoting.WcsIqClient}
29   * @private
30   */
31  this.wcsIqClient_ = wcsIqClient;
32
33  /**
34   * The OAuth2 access token.
35   * @type {string}
36   * @private
37   */
38  this.token_ = token;
39
40  /**
41   * The function called when the WCS client has received a full JID.
42   * @type {?function(string): void}
43   * @private
44   */
45  this.onReady_ = onReady;
46
47  /**
48   * The full JID of the WCS client.
49   * @type {string}
50   * @private
51   */
52  this.clientFullJid_ = '';
53
54  /**
55   * A function called when an IQ stanza is received.
56   * @param {string} stanza The IQ stanza.
57   * @private
58   */
59  this.onIq_ = function(stanza) {};
60
61  // Handle messages from the WcsIqClient.
62  this.wcsIqClient_.setOnMessage(this.onMessage_.bind(this));
63
64  // Start the WcsIqClient.
65  this.wcsIqClient_.connectChannel();
66};
67
68/**
69 * Passes an access token to the WcsIqClient, if the token has been updated.
70 *
71 * @param {string} tokenNew A (possibly updated) access token.
72 * @return {void} Nothing.
73 */
74remoting.Wcs.prototype.updateAccessToken = function(tokenNew) {
75  if (tokenNew != this.token_) {
76    this.token_ = tokenNew;
77    this.wcsIqClient_.updateAccessToken(this.token_);
78  }
79};
80
81/**
82 * Handles a message coming from the WcsIqClient.
83 *
84 * @param {Array.<string>} msg The message.
85 * @return {void} Nothing.
86 * @private
87 */
88remoting.Wcs.prototype.onMessage_ = function(msg) {
89  if (msg[0] == 'is') {
90    this.onIq_(msg[1]);
91  } else if (msg[0] == 'cfj') {
92    this.clientFullJid_ = msg[1];
93    console.log('Received JID: ' + this.clientFullJid_);
94    if (this.onReady_) {
95      this.onReady_(this.clientFullJid_);
96      this.onReady_ = null;
97    }
98  }
99};
100
101/**
102 * Gets the full JID of the WCS client.
103 *
104 * @return {string} The full JID.
105 */
106remoting.Wcs.prototype.getJid = function() {
107  return this.clientFullJid_;
108};
109
110/**
111 * Sends an IQ stanza.
112 *
113 * @param {string} stanza An IQ stanza.
114 * @return {void} Nothing.
115 */
116remoting.Wcs.prototype.sendIq = function(stanza) {
117  this.wcsIqClient_.sendIq(stanza);
118};
119
120/**
121 * Sets the function called when an IQ stanza is received.
122 *
123 * @param {function(string): void} onIq The function called when an IQ stanza
124 *     is received.
125 * @return {void} Nothing.
126 */
127remoting.Wcs.prototype.setOnIq = function(onIq) {
128  this.onIq_ = onIq;
129};
130