chrome/browser/resources/options/chromeos/bluetooth_add_device_overlay.js

   1 // Copyright (c) 2012 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 cr.define('options', function() {
   6   /** @const */ var Page = cr.ui.pageManager.Page;
   7   /** @const */ var PageManager = cr.ui.pageManager.PageManager;
   8
   9   /**
  10    * Encapsulated handling of the Bluetooth options page.
  11    * @constructor
  12    * @extends {cr.ui.pageManager.Page}
  13    */
  14   function BluetoothOptions() {
  15     Page.call(this, 'bluetooth',
  16               loadTimeData.getString('bluetoothOptionsPageTabTitle'),
  17               'bluetooth-options');
  18   }
  19
  20   cr.addSingletonGetter(BluetoothOptions);
  21
  22   BluetoothOptions.prototype = {
  23     __proto__: Page.prototype,
  24
  25     /**
  26      * The list of available (unpaired) bluetooth devices.
  27      * @type {options.DeletableItemList}
  28      * @private
  29      */
  30     deviceList_: null,
  31
  32     /** @override */
  33     initializePage: function() {
  34       Page.prototype.initializePage.call(this);
  35       this.createDeviceList_();
  36
  37       BluetoothOptions.updateDiscoveryState(true);
  38
  39       $('bluetooth-add-device-cancel-button').onclick = function(event) {
  40         PageManager.closeOverlay();
  41       };
  42
  43       var self = this;
  44       $('bluetooth-add-device-apply-button').onclick = function(event) {
  45         chrome.send('coreOptionsUserMetricsAction',
  46                     ['Options_BluetoothConnectNewDevice']);
  47         var device = self.deviceList_.selectedItem;
  48         var address = device.address;
  49         PageManager.closeOverlay();
  50         device.pairing = 'bluetoothStartConnecting';
  51         options.BluetoothPairing.showDialog(device);
  52         chrome.send('updateBluetoothDevice', [address, 'connect']);
  53       };
  54
  55       $('bluetooth-unpaired-devices-list').addEventListener('change',
  56                                                             function() {
  57         var item = $('bluetooth-unpaired-devices-list').selectedItem;
  58         // The "bluetooth-add-device-apply-button" should be enabled for devices
  59         // that can be paired or remembered. Devices not supporting pairing will
  60         // be just remembered and later reported as "item.paired" = true. The
  61         // button should be disabled in any other case:
  62         // * No item is selected (item is undefined).
  63         // * Paired devices (item.paired is true) are already paired and a new
  64         //   pairing attempt will fail. Paired devices could appear in this list
  65         //   shortly after the pairing initiated in another window finishes.
  66         // * "Connecting" devices (item.connecting is true) are in the process
  67         //   of a pairing or connection. Another attempt to pair before the
  68         //   ongoing pair finishes will fail, so the button should be disabled.
  69         var disabled = !item || item.paired || item.connecting;
  70         $('bluetooth-add-device-apply-button').disabled = disabled;
  71       });
  72     },
  73
  74     /** @override */
  75     didClosePage: function() {
  76       chrome.send('stopBluetoothDeviceDiscovery');
  77     },
  78
  79     /**
  80      * Creates, decorates and initializes the bluetooth device list.
  81      * @private
  82      */
  83     createDeviceList_: function() {
  84       var deviceList = $('bluetooth-unpaired-devices-list');
  85       options.system.bluetooth.BluetoothDeviceList.decorate(deviceList);
  86       this.deviceList_ = assertInstanceof(deviceList,
  87                                           options.DeletableItemList);
  88     }
  89   };
  90
  91   /**
  92    * Automatically start the device discovery process if the
  93    * "Add device" dialog is visible.
  94    */
  95   BluetoothOptions.startDeviceDiscovery = function() {
  96     var page = BluetoothOptions.getInstance();
  97     if (page && page.visible)
  98       chrome.send('findBluetoothDevices');
  99   };
 100
 101   /**
 102    * Updates the dialog to show that device discovery has stopped. Updates the
 103    * label text and hides/unhides the spinner. based on discovery state.
 104    */
 105   BluetoothOptions.updateDiscoveryState = function(discovering) {
 106     $('bluetooth-scanning-label').hidden = !discovering;
 107     $('bluetooth-scanning-icon').hidden = !discovering;
 108     $('bluetooth-scan-stopped-label').hidden = discovering;
 109   };
 110
 111   /**
 112    * If the "Add device" dialog is visible, dismiss it.
 113    */
 114   BluetoothOptions.dismissOverlay = function() {
 115     var page = BluetoothOptions.getInstance();
 116     if (page && page.visible)
 117       PageManager.closeOverlay();
 118   };
 119
 120   // Export
 121   return {
 122     BluetoothOptions: BluetoothOptions
 123   };
 124 });