response-of-oauth.html

<!-- The result of the popup window -->

  <script>opener.ss.user.tw.oauthToken('token-312123123');close();</script>

twitter.auth.js

/**
 * Perform a login using a popup
 *
 * @return {when.Promise} a promise.
 */
ssd.user.auth.Twitter.prototype.loginPopup = function() {  
  var def = when.defer();

  // if there was a previous operation, reject it...
  if (this._loginOp && this._loginOp.running) {
    this._loginOp.reject();
  }

  // start a new operation
  this._loginOp = new ssd.user.auth.twitter.LoginOp({
    def: def, timeout: opTimeout
  });

  open(url, 'popup', 'width=' + width + ',height=' + height);

  return def.promise;
};

/**
 * This method is called from the popup window after a login operation.
 *
 * @param {string} token The access token.
 */
ssd.user.auth.Twitter.prototype.oauthToken = function(token) {
  this.logger.info('oauthToken() :: Init.');

  if (!this._loginOp.running) {
    this.logger.severe('oauthToken() :: There is no login operation running!');
    
    // bogus situation... check if there is a promise
    if (when.isPromise(this._loginOp.def)) {
      // check if the operation has been resolved
      if ( /** ????? */  true) {
        this._loginOp.reject('bogus');
      }
    }
    
    // nothing to do
    return;
  }

  this._loginOp.resolve(token);
};



/**
 * A login operation object.
 *
 * @param {Object} params [description]
 * @constructor
 */
ssd.user.auth.twitter.LoginOp = function(params) {

  /**
   * @type {when.Deferred}
   */
  this.def = params.def;

  /**
   * @type {boolean} if a login operation is running.
   */
  this.running = true;

  this._timeoutIndex = setTimeout(
    goog.bind(this.reject, this, 'Operation timeout'),
    params.timeout
  );

};

/**
 * Will reject the login operation.
 *
 * @param  {string=} optErrMsg Define a message for rejecting the deferred.
 */
ssd.user.auth.twitter.LoginOp.prototype.reject = function(optErrMsg) {
  if (!this.running) {
    return;
  }
  var errMsg = optErrMsg || 'Canceled by new login';
  this.running = false;
  clearTimeout(this._timeoutIndex);
  this._timeoutIndex = null;
  this.def.reject(errMsg);
};

/**
 * Will resolve the login operation.
 *
 * @param  {ssd.user.auth.plugin.Response} respObj The response object.
 */
ssd.user.auth.twitter.LoginOp.prototype.resolve = function(respObj) {
  if (!this.running) {
    return;
  }
  this.running = false;
  clearTimeout(this._timeoutIndex);
  this._timeoutIndex = null;
  this.def.resolve(respObj);
};