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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 /** | 5 /** |
6 * Javascript for DeviceCollection, served from | 6 * Javascript for DeviceCollection, served from |
7 * chrome://bluetooth-internals/. | 7 * chrome://bluetooth-internals/. |
8 */ | 8 */ |
9 | 9 |
10 cr.define('device_collection', function() { | 10 cr.define('device_collection', function() { |
| 11 /** |
| 12 * Enum of connection status for a device. Used for |
| 13 * DeviceCollection.updateConnectionStatus which sets the connectionStatus |
| 14 * on the DeviceInfo object. New DeviceInfo objects have a DISCONNECTED status |
| 15 * by default. |
| 16 * @enum {number} |
| 17 */ |
| 18 var ConnectionStatus = { |
| 19 DISCONNECTED: 0, |
| 20 CONNECTING: 1, |
| 21 CONNECTED: 2, |
| 22 }; |
| 23 |
11 /* | 24 /* |
12 * Collection of devices. Extends ArrayDataModel which provides a set of | 25 * Collection of devices. Extends ArrayDataModel which provides a set of |
13 * functions and events that notifies observers when the collection changes. | 26 * functions and events that notifies observers when the collection changes. |
14 * @constructor | 27 * @constructor |
15 * @param {!Array<device_collection.Device>} array The starting collection of | 28 * @param {!Array<!device_collection.DeviceInfo>} array The starting |
16 * devices. | 29 * collection of devices. |
17 * @extends {cr.ui.ArrayDataModel} | 30 * @extends {cr.ui.ArrayDataModel} |
18 */ | 31 */ |
19 var DeviceCollection = function(array) { | 32 var DeviceCollection = function(array) { |
20 cr.ui.ArrayDataModel.call(this, array); | 33 cr.ui.ArrayDataModel.call(this, array); |
21 }; | 34 }; |
22 DeviceCollection.prototype = { | 35 DeviceCollection.prototype = { |
23 __proto__: cr.ui.ArrayDataModel.prototype, | 36 __proto__: cr.ui.ArrayDataModel.prototype, |
24 | 37 |
25 /** | 38 /** |
26 * Finds the Device in the collection with the matching address. | 39 * Finds the Device in the collection with the matching address. |
27 * @param {string} address | 40 * @param {string} address |
28 */ | 41 */ |
29 getByAddress: function(address) { | 42 getByAddress: function(address) { |
30 for (var i = 0; i < this.length; i++) { | 43 for (var i = 0; i < this.length; i++) { |
31 var device = this.item(i); | 44 var device = this.item(i); |
32 if (address == device.info.address) | 45 if (address == device.address) |
33 return device; | 46 return device; |
34 } | 47 } |
35 return null; | 48 return null; |
36 }, | 49 }, |
37 | 50 |
38 /** | 51 /** |
39 * Adds or updates a Device with new DeviceInfo. | 52 * Adds or updates a Device with new DeviceInfo. |
40 * @param {!interfaces.BluetoothDevice.DeviceInfo} deviceInfo | 53 * @param {!interfaces.BluetoothDevice.DeviceInfo} deviceInfo |
41 */ | 54 */ |
42 addOrUpdate: function(deviceInfo) { | 55 addOrUpdate: function(deviceInfo) { |
43 var oldDevice = this.getByAddress(deviceInfo.address); | 56 deviceInfo.removed = false; |
44 if (oldDevice) { | 57 var oldDeviceInfo = this.getByAddress(deviceInfo.address); |
| 58 |
| 59 if (oldDeviceInfo) { |
45 // Update rssi if it's valid | 60 // Update rssi if it's valid |
46 var rssi = (deviceInfo.rssi && deviceInfo.rssi.value) || | 61 var rssi = (deviceInfo.rssi && deviceInfo.rssi.value) || |
47 (oldDevice.info.rssi && oldDevice.info.rssi.value); | 62 (oldDeviceInfo.rssi && oldDeviceInfo.rssi.value); |
48 | 63 |
49 oldDevice.info = deviceInfo; | 64 // The connectionStatus and connectionMessage properties may not exist |
50 oldDevice.info.rssi = { value: rssi }; | 65 // on |deviceInfo|. The rssi property may be null, so it must be |
51 oldDevice.removed = false; | 66 // re-assigned. |
52 | 67 Object.assign(oldDeviceInfo, deviceInfo); |
53 this.updateIndex(this.indexOf(oldDevice)); | 68 oldDeviceInfo.rssi = { value: rssi }; |
| 69 this.updateIndex(this.indexOf(oldDeviceInfo)); |
54 } else { | 70 } else { |
55 this.push(new Device(deviceInfo)); | 71 deviceInfo.connectionStatus = ConnectionStatus.DISCONNECTED; |
| 72 this.push(deviceInfo); |
56 } | 73 } |
57 }, | 74 }, |
58 | 75 |
59 /** | 76 /** |
60 * Marks the Device as removed. | 77 * Marks the Device as removed. |
61 * @param {!interfaces.bluetoothDevice.DeviceInfo} deviceInfo | 78 * @param {!interfaces.bluetoothDevice.DeviceInfo} deviceInfo |
62 */ | 79 */ |
63 remove: function(deviceInfo) { | 80 remove: function(deviceInfo) { |
64 var device = this.getByAddress(deviceInfo.address); | 81 var device = this.getByAddress(deviceInfo.address); |
65 assert(device, 'Device does not exist.'); | 82 assert(device, 'Device does not exist.'); |
66 device.removed = true; | 83 device.removed = true; |
67 this.updateIndex(this.indexOf(device)); | 84 this.updateIndex(this.indexOf(device)); |
68 } | 85 }, |
69 }; | |
70 | 86 |
71 /* | 87 /** |
72 * Data model for a cached device. | 88 * Updates the device connection status. |
73 * @constructor | 89 * @param {string} address The address of the device. |
74 * @param {!interfaces.BluetoothDevice.DeviceInfo} info | 90 * @param {number} status . |
75 */ | 91 * @param {?Error} opt_error Optional Error from connection. |
76 var Device = function(info) { | 92 */ |
77 this.info = info; | 93 updateConnectionStatus: function(address, status, opt_error) { |
78 this.removed = false; | 94 var message = (opt_error && opt_error.message) || ''; |
| 95 |
| 96 var device = assert(this.getByAddress(address), 'Device does not exist'); |
| 97 device.connectionStatus = status; |
| 98 |
| 99 // TODO(crbug.com/663830): Replace connection error column with better |
| 100 // notification system. |
| 101 device.connectionMessage = message; |
| 102 this.updateIndex(this.indexOf(device)); |
| 103 }, |
79 }; | 104 }; |
80 | 105 |
81 return { | 106 return { |
82 Device: Device, | 107 ConnectionStatus: ConnectionStatus, |
83 DeviceCollection: DeviceCollection, | 108 DeviceCollection: DeviceCollection, |
84 }; | 109 }; |
85 }); | 110 }); |
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