remoting/webapp/host_install_dialog.js

   1 // Copyright 2014 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 'use strict';
   6
   7 /** @suppress {duplicate} */
   8 var remoting = remoting || {};
   9
  10 /**
  11  * HostInstallDialog prompts the user to install host components.
  12  *
  13  * @constructor
  14  */
  15 remoting.HostInstallDialog = function() {
  16   this.continueInstallButton_ = document.getElementById(
  17       'host-install-continue');
  18   this.cancelInstallButton_ = document.getElementById(
  19       'host-install-dismiss');
  20   this.retryInstallButton_ = document.getElementById(
  21       'host-install-retry');
  22
  23   this.onOkClickedHandler_ = this.onOkClicked_.bind(this);
  24   this.onCancelClickedHandler_ = this.onCancelClicked_.bind(this);
  25   this.onRetryClickedHandler_ = this.onRetryClicked_.bind(this);
  26
  27   this.continueInstallButton_.disabled = false;
  28   this.cancelInstallButton_.disabled = false;
  29
  30   /** @private*/
  31   this.onDoneHandler_ = function() {}
  32
  33   /** @param {remoting.Error} error @private */
  34   this.onErrorHandler_ = function(error) {}
  35 };
  36
  37 /** @type {Object.<string,string>} */
  38 remoting.HostInstallDialog.hostDownloadUrls = {
  39   'Win32' : 'http://dl.google.com/dl/edgedl/chrome-remote-desktop/' +
  40       'chromeremotedesktophost.msi',
  41   'MacIntel' : 'https://dl.google.com/chrome-remote-desktop/' +
  42       'chromeremotedesktop.dmg',
  43   'Linux x86_64' : 'https://dl.google.com/linux/direct/' +
  44       'chrome-remote-desktop_current_amd64.deb',
  45   'Linux i386' : 'https://dl.google.com/linux/direct/' +
  46       'chrome-remote-desktop_current_i386.deb'
  47 };
  48
  49 /**
  50  * Starts downloading host components and shows installation prompt.
  51  *
  52  * @param {function():void} onDone Callback called when user clicks Ok,
  53  *     presumably after installing the host. The handler must verify that the
  54  *     host has been installed and call tryAgain() otherwise.
  55  * @param {function(remoting.Error):void} onError Callback called when user
  56  *     clicks Cancel button or there is some other unexpected error.
  57  * @returns {void}
  58  */
  59 remoting.HostInstallDialog.prototype.show = function(onDone, onError) {
  60   this.continueInstallButton_.addEventListener(
  61       'click', this.onOkClickedHandler_, false);
  62   this.cancelInstallButton_.addEventListener(
  63       'click', this.onCancelClickedHandler_, false);
  64   remoting.setMode(remoting.AppMode.HOST_INSTALL_PROMPT);
  65
  66   var hostPackageUrl =
  67       remoting.HostInstallDialog.hostDownloadUrls[navigator.platform];
  68   if (hostPackageUrl === undefined) {
  69     this.onErrorHandler_(remoting.Error.CANCELLED);
  70     return;
  71   }
  72
  73   // Start downloading the package.
  74   window.location = hostPackageUrl;
  75
  76   /** @type {function():void} */
  77   this.onDoneHandler_ = onDone;
  78
  79   /** @type {function(remoting.Error):void} */
  80   this.onErrorHandler_ = onError;
  81 }
  82
  83 /**
  84  * onDone handler must call this method if it detects that the host components
  85  * are still unavailable. The same onDone and onError callbacks will be used
  86  * when user clicks Ok or Cancel.
  87   */
  88 remoting.HostInstallDialog.prototype.tryAgain = function() {
  89   this.retryInstallButton_.addEventListener(
  90       'click', this.onRetryClickedHandler_.bind(this), false);
  91   remoting.setMode(remoting.AppMode.HOST_INSTALL_PENDING);
  92   this.continueInstallButton_.disabled = false;
  93   this.cancelInstallButton_.disabled = false;
  94 };
  95
  96 remoting.HostInstallDialog.prototype.onOkClicked_ = function() {
  97   this.continueInstallButton_.removeEventListener(
  98       'click', this.onOkClickedHandler_, false);
  99   this.cancelInstallButton_.removeEventListener(
 100       'click', this.onCancelClickedHandler_, false);
 101   this.continueInstallButton_.disabled = true;
 102   this.cancelInstallButton_.disabled = true;
 103
 104   this.onDoneHandler_();
 105 }
 106
 107 remoting.HostInstallDialog.prototype.onCancelClicked_ = function() {
 108   this.continueInstallButton_.removeEventListener(
 109       'click', this.onOkClickedHandler_, false);
 110   this.cancelInstallButton_.removeEventListener(
 111       'click', this.onCancelClickedHandler_, false);
 112   this.onErrorHandler_(remoting.Error.CANCELLED);
 113 }
 114
 115 remoting.HostInstallDialog.prototype.onRetryClicked_ = function() {
 116   this.retryInstallButton_.removeEventListener(
 117       'click', this.onRetryClickedHandler_.bind(this), false);
 118   this.continueInstallButton_.addEventListener(
 119       'click', this.onOkClickedHandler_, false);
 120   this.cancelInstallButton_.addEventListener(
 121       'click', this.onCancelClickedHandler_, false);
 122   remoting.setMode(remoting.AppMode.HOST_INSTALL_PROMPT);
 123 };
 124