[Chromoting] Move shared webapp JS files from crd/js -> base/js

remoting/webapp/crd/js/client_session_factory.js

-// Copyright 2015 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.
-
-/** @suppress {duplicate} */
-var remoting = remoting || {};
-
-(function() {
-
-'use strict';
-
-/**
- * @param {Element} container parent element for the plugin to be created.
- * @param {Array<string>} capabilities capabilities required by this
- *     application.
- * @constructor
- */
-remoting.ClientSessionFactory = function(container, capabilities) {
-  /** @private */
-  this.container_ = /** @type {HTMLElement} */ (container);
-
-  /** @private {Array<string>} */
-  this.requiredCapabilities_ = [
-    remoting.ClientSession.Capability.SEND_INITIAL_RESOLUTION,
-    remoting.ClientSession.Capability.RATE_LIMIT_RESIZE_REQUESTS,
-    remoting.ClientSession.Capability.VIDEO_RECORDER
-  ];
-
-  // Append the app-specific capabilities.
-  this.requiredCapabilities_.push.apply(this.requiredCapabilities_,
-                                        capabilities);
-};
-
-/**
- * Creates a session.
- *
- * @param {remoting.ClientSession.EventHandler} listener
- * @return {Promise<!remoting.ClientSession>} Resolves with the client session
- *     if succeeded or rejects with remoting.Error on failure.
- */
-remoting.ClientSessionFactory.prototype.createSession = function(listener) {
-  var that = this;
-  /** @type {string} */
-  var token;
-  /** @type {remoting.SignalStrategy} */
-  var signalStrategy;
-  /** @type {remoting.ClientPlugin} */
-  var clientPlugin;
-
-  function OnError(/** remoting.Error */ error) {
-    base.dispose(signalStrategy);
-    base.dispose(clientPlugin);
-    throw error;
-  }
-
-  var promise = remoting.identity.getToken().then(
-    function(/** string */ authToken) {
-    token = authToken;
-    return remoting.identity.getUserInfo();
-  }).then(function(/** {email: string, name: string} */ userInfo) {
-    return connectSignaling(userInfo.email, token);
-  }).then(function(/** remoting.SignalStrategy */ strategy) {
-    signalStrategy = strategy;
-    return createPlugin(that.container_, that.requiredCapabilities_);
-  }).then(function(/** remoting.ClientPlugin */ plugin) {
-    clientPlugin = plugin;
-    return new remoting.ClientSession(plugin, signalStrategy, listener);
-  }).catch(
-    remoting.Error.handler(OnError)
-  );
-
-  return /** @type {Promise<!remoting.ClientSession>} */ (promise);
-};
-
-/**
- * @param {string} email
- * @param {string} token
- * @return {Promise<!remoting.SignalStrategy>}
- */
-function connectSignaling(email, token) {
-  var signalStrategy = remoting.SignalStrategy.create();
-  var deferred = new base.Deferred();
-  function onSignalingState(/** remoting.SignalStrategy.State */ state) {
-    switch (state) {
-      case remoting.SignalStrategy.State.CONNECTED:
-        deferred.resolve(signalStrategy);
-        break;
-
-      case remoting.SignalStrategy.State.FAILED:
-        var error = signalStrategy.getError();
-        signalStrategy.dispose();
-        deferred.reject(error);
-        break;
-    }
-  }
-  signalStrategy.setStateChangedCallback(onSignalingState);
-  signalStrategy.connect(remoting.settings.XMPP_SERVER, email, token);
-  return deferred.promise();
-}
-
-/**
- * Creates the plugin.
- * @param {HTMLElement} container parent element for the plugin.
- * @param {Array<string>} capabilities capabilities required by this
- *     application.
- * @return {Promise<!remoting.ClientPlugin>}
- */
-function createPlugin(container, capabilities) {
-  var plugin = remoting.ClientPlugin.factory.createPlugin(
-      container, capabilities);
-  var deferred = new base.Deferred();
-
-  function onInitialized(/** boolean */ initialized) {
-    if (!initialized) {
-      console.error('ERROR: remoting plugin not loaded');
-      plugin.dispose();
-      deferred.reject(new remoting.Error(remoting.Error.Tag.MISSING_PLUGIN));
-      return;
-    }
-
-    if (!plugin.isSupportedVersion()) {
-      console.error('ERROR: bad plugin version');
-      plugin.dispose();
-      deferred.reject(
-          new remoting.Error(remoting.Error.Tag.BAD_PLUGIN_VERSION));
-      return;
-    }
-    deferred.resolve(plugin);
-  }
-  plugin.initialize(onInitialized);
-  return deferred.promise();
-}
-
-})();