remoting/webapp/crd/js/it2me_activity.js

   1 // Copyright 2015 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 /** @suppress {duplicate} */
   6 var remoting = remoting || {};
   7
   8 (function() {
   9
  10 'use strict';
  11
  12 // Length of the various components of the access code in number of digits.
  13 var SUPPORT_ID_LENGTH = 7;
  14 var HOST_SECRET_LENGTH = 5;
  15 var ACCESS_CODE_LENGTH = SUPPORT_ID_LENGTH + HOST_SECRET_LENGTH;
  16
  17 /**
  18  * @constructor
  19  * @implements {remoting.Activity}
  20  */
  21 remoting.It2MeActivity = function() {
  22   /** @private */
  23   this.hostId_ = '';
  24   /** @private */
  25   this.passCode_ = '';
  26
  27   var form = document.getElementById('access-code-form');
  28   /** @private */
  29   this.accessCodeDialog_ = new remoting.InputDialog(
  30     remoting.AppMode.CLIENT_UNCONNECTED,
  31     form,
  32     form.querySelector('#access-code-entry'),
  33     form.querySelector('#cancel-access-code-button'));
  34
  35   /** @private {remoting.DesktopRemotingActivity} */
  36   this.desktopActivity_ = null;
  37 };
  38
  39 remoting.It2MeActivity.prototype.dispose = function() {
  40   base.dispose(this.desktopActivity_);
  41   this.desktopActivity_ = null;
  42 };
  43
  44 remoting.It2MeActivity.prototype.start = function() {
  45   var that = this;
  46
  47   this.desktopActivity_ = new remoting.DesktopRemotingActivity(this);
  48
  49   this.accessCodeDialog_.show().then(function(/** string */ accessCode) {
  50     that.desktopActivity_.getConnectingDialog().show();
  51     return that.verifyAccessCode_(accessCode);
  52   }).then(function() {
  53     return remoting.HostListApi.getInstance().getSupportHost(that.hostId_);
  54   }).then(function(/** remoting.Host */ host) {
  55     that.connect_(host);
  56   }).catch(remoting.Error.handler(function(/** remoting.Error */ error) {
  57     if (error.hasTag(remoting.Error.Tag.CANCELLED)) {
  58       remoting.setMode(remoting.AppMode.HOME);
  59     } else {
  60       var errorDiv = document.getElementById('connect-error-message');
  61       l10n.localizeElementFromTag(errorDiv, error.getTag());
  62       remoting.setMode(remoting.AppMode.CLIENT_CONNECT_FAILED_IT2ME);
  63     }
  64   }));
  65 };
  66
  67 remoting.It2MeActivity.prototype.stop = function() {
  68   this.desktopActivity_.stop();
  69 };
  70
  71 /**
  72  * @param {!remoting.Error} error
  73  */
  74 remoting.It2MeActivity.prototype.onConnectionFailed = function(error) {
  75   this.showErrorMessage_(error);
  76   base.dispose(this.desktopActivity_);
  77   this.desktopActivity_ = null;
  78 };
  79
  80 /**
  81  * @param {!remoting.ConnectionInfo} connectionInfo
  82  */
  83 remoting.It2MeActivity.prototype.onConnected = function(connectionInfo) {
  84   this.accessCodeDialog_.inputField().value = '';
  85 };
  86
  87 remoting.It2MeActivity.prototype.onDisconnected = function(error) {
  88   if (error.isNone()) {
  89     this.showFinishDialog_(remoting.AppMode.CLIENT_SESSION_FINISHED_IT2ME);
  90   } else {
  91     this.showErrorMessage_(error);
  92   }
  93
  94   base.dispose(this.desktopActivity_);
  95   this.desktopActivity_ = null;
  96 };
  97
  98 /**
  99  * @param {!remoting.Error} error
 100  * @private
 101  */
 102 remoting.It2MeActivity.prototype.showErrorMessage_ = function(error) {
 103   var errorDiv = document.getElementById('connect-error-message');
 104   l10n.localizeElementFromTag(errorDiv, error.getTag());
 105   this.showFinishDialog_(remoting.AppMode.CLIENT_CONNECT_FAILED_IT2ME);
 106 };
 107
 108 /** @return {remoting.DesktopRemotingActivity} */
 109 remoting.It2MeActivity.prototype.getDesktopActivityForTesting = function() {
 110   return this.desktopActivity_;
 111 };
 112
 113 /**
 114  * @param {remoting.AppMode} mode
 115  * @private
 116  */
 117 remoting.It2MeActivity.prototype.showFinishDialog_ = function(mode) {
 118   var finishDialog = new remoting.MessageDialog(
 119       mode,
 120       document.getElementById('client-finished-it2me-button'));
 121   finishDialog.show().then(function() {
 122     remoting.setMode(remoting.AppMode.HOME);
 123   });
 124 };
 125
 126 /**
 127  * @param {string} accessCode
 128  * @return {Promise}  Promise that resolves if the access code is valid.
 129  * @private
 130  */
 131 remoting.It2MeActivity.prototype.verifyAccessCode_ = function(accessCode) {
 132   var normalizedAccessCode = accessCode.replace(/\s/g, '');
 133   if (normalizedAccessCode.length !== ACCESS_CODE_LENGTH) {
 134     return Promise.reject(new remoting.Error(
 135         remoting.Error.Tag.INVALID_ACCESS_CODE));
 136   }
 137
 138   this.hostId_ = normalizedAccessCode.substring(0, SUPPORT_ID_LENGTH);
 139   this.passCode_ = normalizedAccessCode;
 140
 141   return Promise.resolve();
 142 };
 143
 144 /**
 145  * @param {remoting.Host} host
 146  * @private
 147  */
 148 remoting.It2MeActivity.prototype.connect_ = function(host) {
 149   this.desktopActivity_.start(
 150       host, new remoting.CredentialsProvider({ accessCode: this.passCode_ }));
 151 };
 152
 153 })();