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   if (this.desktopActivity_) {
  69     this.desktopActivity_.stop();
  70   }
  71 };
  72
  73 /**
  74  * @param {!remoting.Error} error
  75  */
  76 remoting.It2MeActivity.prototype.onConnectionFailed = function(error) {
  77   this.showErrorMessage_(error);
  78   base.dispose(this.desktopActivity_);
  79   this.desktopActivity_ = null;
  80 };
  81
  82 /**
  83  * @param {!remoting.ConnectionInfo} connectionInfo
  84  */
  85 remoting.It2MeActivity.prototype.onConnected = function(connectionInfo) {
  86   this.accessCodeDialog_.inputField().value = '';
  87 };
  88
  89 remoting.It2MeActivity.prototype.onDisconnected = function(error) {
  90   if (error.isNone()) {
  91     this.showFinishDialog_(remoting.AppMode.CLIENT_SESSION_FINISHED_IT2ME);
  92   } else {
  93     this.showErrorMessage_(error);
  94   }
  95
  96   base.dispose(this.desktopActivity_);
  97   this.desktopActivity_ = null;
  98 };
  99
 100 /**
 101  * @param {!remoting.Error} error
 102  * @private
 103  */
 104 remoting.It2MeActivity.prototype.showErrorMessage_ = function(error) {
 105   var errorDiv = document.getElementById('connect-error-message');
 106   l10n.localizeElementFromTag(errorDiv, error.getTag());
 107   this.showFinishDialog_(remoting.AppMode.CLIENT_CONNECT_FAILED_IT2ME);
 108 };
 109
 110 /** @return {remoting.DesktopRemotingActivity} */
 111 remoting.It2MeActivity.prototype.getDesktopActivityForTesting = function() {
 112   return this.desktopActivity_;
 113 };
 114
 115 /**
 116  * @param {remoting.AppMode} mode
 117  * @private
 118  */
 119 remoting.It2MeActivity.prototype.showFinishDialog_ = function(mode) {
 120   var finishDialog = new remoting.MessageDialog(
 121       mode,
 122       document.getElementById('client-finished-it2me-button'));
 123   finishDialog.show().then(function() {
 124     remoting.setMode(remoting.AppMode.HOME);
 125   });
 126 };
 127
 128 /**
 129  * @param {string} accessCode
 130  * @return {Promise}  Promise that resolves if the access code is valid.
 131  * @private
 132  */
 133 remoting.It2MeActivity.prototype.verifyAccessCode_ = function(accessCode) {
 134   var normalizedAccessCode = accessCode.replace(/\s/g, '');
 135   if (normalizedAccessCode.length !== ACCESS_CODE_LENGTH) {
 136     return Promise.reject(new remoting.Error(
 137         remoting.Error.Tag.INVALID_ACCESS_CODE));
 138   }
 139
 140   this.hostId_ = normalizedAccessCode.substring(0, SUPPORT_ID_LENGTH);
 141   this.passCode_ = normalizedAccessCode;
 142
 143   return Promise.resolve();
 144 };
 145
 146 /**
 147  * @param {remoting.Host} host
 148  * @private
 149  */
 150 remoting.It2MeActivity.prototype.connect_ = function(host) {
 151   this.desktopActivity_.start(
 152       host, new remoting.CredentialsProvider({ accessCode: this.passCode_ }));
 153 };
 154
 155 })();