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

remoting/webapp/crd/js/smart_reconnector.js

-// Copyright 2014 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
- * Class handling reconnecting the session when it is disconnected due to
- * network failure.
- *
- * The SmartReconnector listens for changes in connection state of
- * |clientSession| to determine if a reconnection is needed.  It then calls into
- * |connector| to reconnect the session.
- */
-
-/** @suppress {duplicate} */
-var remoting = remoting || {};
-
-(function () {
-
-'use strict';
-
-/**
- * @constructor
- * @param {remoting.ConnectingDialog} connectingDialog
- * @param {function()} reconnectCallback
- * @param {function()} disconnectCallback
- * @param {remoting.ClientSession} clientSession This represents the current
- *    remote desktop connection.  It is used to monitor the changes in
- *    connection state.
- * @implements {base.Disposable}
- */
-remoting.SmartReconnector = function(connectingDialog, reconnectCallback,
-                                     disconnectCallback, clientSession) {
-  /** @private */
-  this.reconnectCallback_ = reconnectCallback;
-
-  /** @private */
-  this.disconnectCallback_ = disconnectCallback;
-
-  /** @private */
-  this.clientSession_ = clientSession;
-
-  /**
-   * Placeholder of any pending reconnect operations, e.g. Waiting for online,
-   * or a timeout to reconnect.
-   *
-   * @private {base.Disposable}
-   */
-  this.pending_ = null;
-
-  /** @private */
-  this.connectingDialog_ = connectingDialog;
-
-  var Events = remoting.ClientSession.Events;
-  /** @private */
-  this.eventHook_ =
-      new base.EventHook(clientSession, Events.videoChannelStateChanged,
-                         this.videoChannelStateChanged_.bind(this));
-};
-
-// The online event only means the network adapter is enabled, but
-// it doesn't necessarily mean that we have a working internet connection.
-// Therefore, delay the connection by |RECONNECT_DELAY_MS| to allow for the
-// network to connect.
-var RECONNECT_DELAY_MS = 2000;
-
-// If the video channel is inactive for 10 seconds reconnect the session.
-var CONNECTION_TIMEOUT_MS = 10000;
-
-remoting.SmartReconnector.prototype.reconnect_ = function() {
-  this.cancelPending_();
-  this.disconnectCallback_();
-  this.reconnectCallback_();
-};
-
-remoting.SmartReconnector.prototype.reconnectAsync_ = function() {
-  this.cancelPending_();
-  this.connectingDialog_.show();
-  this.pending_ =
-      new base.OneShotTimer(this.reconnect_.bind(this), RECONNECT_DELAY_MS);
-};
-
-/**
- * @param {!remoting.Error} reason
- */
-remoting.SmartReconnector.prototype.onConnectionDropped = function(reason) {
-  this.cancelPending_();
-  if (navigator.onLine) {
-    this.reconnect_();
-  } else {
-    this.pending_ = new base.DomEventHook(
-        window, 'online', this.reconnectAsync_.bind(this), false);
-  }
-};
-
-/**
- * @param {boolean=} active  True if the video channel is active.
- */
-remoting.SmartReconnector.prototype.videoChannelStateChanged_ =
-    function (active) {
-  this.cancelPending_();
-  if (!active) {
-    this.pending_ = new base.DomEventHook(
-        window, 'online', this.startReconnectTimeout_.bind(this), false);
-  }
-};
-
-remoting.SmartReconnector.prototype.startReconnectTimeout_ = function() {
-  this.cancelPending_();
-  this.pending_ =
-      new base.OneShotTimer(this.reconnect_.bind(this), CONNECTION_TIMEOUT_MS);
-};
-
-/** @private */
-remoting.SmartReconnector.prototype.cancelPending_ = function() {
-  base.dispose(this.pending_);
-  this.pending_ = null;
-};
-
-remoting.SmartReconnector.prototype.dispose = function() {
-  this.cancelPending_();
-  base.dispose(this.eventHook_);
-  this.eventHook_ = null;
-};
-
-})();