text: /* Copyright (c) 2012 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
   * A class that provides an interface to a WCS connection.
   */
  
  'use strict';
  
  /** @suppress {duplicate} */
  var remoting = remoting || {};
  
  /** @type {remoting.Wcs} */
  remoting.wcs = null;
  
  /**
   * @constructor
   * @param {remoting.WcsIqClient} wcsIqClient The WCS client.
   * @param {string} token An OAuth2 access token.
   * @param {function(string): void} onReady Called with the WCS client's JID.
   */
  remoting.Wcs = function(wcsIqClient, token, onReady) {
    /**
     * The WCS client.
     * @type {remoting.WcsIqClient}
     * @private
     */
    this.wcsIqClient_ = wcsIqClient;
  
    /**
     * The OAuth2 access token.
     * @type {string}
     * @private
     */
    this.token_ = token;
  
    /**
     * The function called when the WCS client has received a full JID.
     * @type {?function(string): void}
     * @private
     */
    this.onReady_ = onReady;
  
    /**
     * The full JID of the WCS client.
     * @type {string}
     * @private
     */
    this.clientFullJid_ = '';
  
    /**
     * A function called when an IQ stanza is received.
     * @param {string} stanza The IQ stanza.
     * @private
     */
    this.onIq_ = function(stanza) {};
  
    // Handle messages from the WcsIqClient.
    this.wcsIqClient_.setOnMessage(this.onMessage_.bind(this));
  
    // Start the WcsIqClient.
    this.wcsIqClient_.connectChannel();
  };
  
  /**
   * Passes an access token to the WcsIqClient, if the token has been updated.
   *
   * @param {string} tokenNew A (possibly updated) access token.
   * @return {void} Nothing.
   */
  remoting.Wcs.prototype.updateAccessToken = function(tokenNew) {
    if (tokenNew != this.token_) {
      this.token_ = tokenNew;
      this.wcsIqClient_.updateAccessToken(this.token_);
    }
  };
  
  /**
   * Handles a message coming from the WcsIqClient.
   *
   * @param {Array.<string>} msg The message.
   * @return {void} Nothing.
   * @private
   */
  remoting.Wcs.prototype.onMessage_ = function(msg) {
    if (msg[0] == 'is') {
      this.onIq_(msg[1]);
    } else if (msg[0] == 'cfj') {
      this.clientFullJid_ = msg[1];
      console.log('Received JID: ' + this.clientFullJid_);
      if (this.onReady_) {
        this.onReady_(this.clientFullJid_);
        this.onReady_ = null;
      }
    }
  };
  
  /**
   * Gets the full JID of the WCS client.
   *
   * @return {string} The full JID.
   */
  remoting.Wcs.prototype.getJid = function() {
    return this.clientFullJid_;
  };
  
  /**
   * Sends an IQ stanza.
   *
   * @param {string} stanza An IQ stanza.
   * @return {void} Nothing.
   */
  remoting.Wcs.prototype.sendIq = function(stanza) {
    this.wcsIqClient_.sendIq(stanza);
  };
  
  /**
   * Sets the function called when an IQ stanza is received.
   *
   * @param {function(string): void} onIq The function called when an IQ stanza
   *     is received.
   * @return {void} Nothing.
   */
  remoting.Wcs.prototype.setOnIq = function(onIq) {
    this.onIq_ = onIq;
  };
  