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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 AdapterBroker, served from | 6 * Javascript for AdapterBroker, served from |
7 * chrome://bluetooth-internals/. | 7 * chrome://bluetooth-internals/. |
8 */ | 8 */ |
9 cr.define('adapter_broker', function() { | 9 cr.define('adapter_broker', function() { |
10 /** | 10 /** |
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21 this.adapter_ = adapter; | 21 this.adapter_ = adapter; |
22 this.adapterClient_ = new AdapterClient(this); | 22 this.adapterClient_ = new AdapterClient(this); |
23 this.setClient(this.adapterClient_); | 23 this.setClient(this.adapterClient_); |
24 }; | 24 }; |
25 | 25 |
26 AdapterBroker.prototype = { | 26 AdapterBroker.prototype = { |
27 __proto__: cr.EventTarget.prototype, | 27 __proto__: cr.EventTarget.prototype, |
28 | 28 |
29 /** | 29 /** |
30 * Sets client of Adapter service. | 30 * Sets client of Adapter service. |
31 * @param {interfaces.BluetoothAdapter.AdapterClient} adapterClient | 31 * @param {!interfaces.BluetoothAdapter.AdapterClient} adapterClient |
32 */ | 32 */ |
33 setClient: function(adapterClient) { | 33 setClient: function(adapterClient) { |
34 this.adapter_.setClient(interfaces.Connection.bindStubDerivedImpl( | 34 this.adapter_.setClient(interfaces.Connection.bindStubDerivedImpl( |
35 adapterClient)); | 35 adapterClient)); |
36 }, | 36 }, |
37 | 37 |
38 /** | 38 /** |
39 * Gets an array of currently detectable devices from the Adapter service. | 39 * Gets an array of currently detectable devices from the Adapter service. |
40 * @return {Array<interfaces.BluetoothDevice.DeviceInfo>} | 40 * @return {!Array<!interfaces.BluetoothDevice.DeviceInfo>} |
41 */ | 41 */ |
42 getDevices: function() { | 42 getDevices: function() { |
43 return this.adapter_.getDevices(); | 43 return this.adapter_.getDevices(); |
44 }, | 44 }, |
45 | 45 |
46 /** | 46 /** |
47 * Gets the current state of the Adapter. | 47 * Gets the current state of the Adapter. |
48 * @return {interfaces.BluetoothAdapter.AdapterInfo} | 48 * @return {!interfaces.BluetoothAdapter.AdapterInfo} |
49 */ | 49 */ |
50 getInfo: function() { | 50 getInfo: function() { |
51 return this.adapter_.getInfo(); | 51 return this.adapter_.getInfo(); |
52 } | 52 } |
53 }; | 53 }; |
54 | 54 |
55 /** | 55 /** |
56 * The implementation of AdapterClient in | 56 * The implementation of AdapterClient in |
57 * device/bluetooth/public/interfaces/adapter.mojom. Dispatches events | 57 * device/bluetooth/public/interfaces/adapter.mojom. Dispatches events |
58 * through AdapterBroker to notify client objects of changes to the Adapter | 58 * through AdapterBroker to notify client objects of changes to the Adapter |
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102 } | 102 } |
103 }); | 103 }); |
104 this.adapterBroker_.dispatchEvent(event); | 104 this.adapterBroker_.dispatchEvent(event); |
105 } | 105 } |
106 }; | 106 }; |
107 | 107 |
108 var adapterBroker = null; | 108 var adapterBroker = null; |
109 | 109 |
110 /** | 110 /** |
111 * Initializes an AdapterBroker if one doesn't exist. | 111 * Initializes an AdapterBroker if one doesn't exist. |
112 * @return {Promise<AdapterBroker>} resolves with AdapterBroker, | 112 * @return {!Promise<!AdapterBroker>} resolves with AdapterBroker, |
113 * rejects if Bluetooth is not supported. | 113 * rejects if Bluetooth is not supported. |
114 */ | 114 */ |
115 function getAdapterBroker() { | 115 function getAdapterBroker() { |
116 if (adapterBroker) { | 116 if (adapterBroker) return Promise.resolve(adapterBroker); |
117 return Promise.resolve(adapterBroker); | |
118 } | |
119 | 117 |
120 return interfaces.importInterfaces().then(function(adapter) { | 118 return interfaces.setupInterfaces().then(function(adapter) { |
121 // Hook up the instance properties. | 119 // Hook up the instance properties. |
122 AdapterClient.prototype.__proto__ = | 120 AdapterClient.prototype.__proto__ = |
123 interfaces.BluetoothAdapter.AdapterClient.stubClass.prototype; | 121 interfaces.BluetoothAdapter.AdapterClient.stubClass.prototype; |
124 | 122 |
125 var adapterFactory = interfaces.Connection.bindHandleToProxy( | 123 var adapterFactory = interfaces.Connection.bindHandleToProxy( |
126 interfaces.FrameInterfaces.getInterface( | 124 interfaces.FrameInterfaces.getInterface( |
127 interfaces.BluetoothAdapter.AdapterFactory.name), | 125 interfaces.BluetoothAdapter.AdapterFactory.name), |
128 interfaces.BluetoothAdapter.AdapterFactory); | 126 interfaces.BluetoothAdapter.AdapterFactory); |
129 | 127 |
130 // Get an Adapter service. | 128 // Get an Adapter service. |
131 return adapterFactory.getAdapter(); | 129 return adapterFactory.getAdapter(); |
132 }).then(function(response) { | 130 }).then(function(response) { |
133 if (!response.adapter) { | 131 if (!response.adapter) { |
134 throw new Error('Bluetooth Not Supported on this platform.'); | 132 throw new Error('Bluetooth Not Supported on this platform.'); |
135 } | 133 } |
136 | 134 |
137 var adapter = interfaces.Connection.bindHandleToProxy( | 135 var adapter = interfaces.Connection.bindHandleToProxy( |
138 response.adapter, | 136 response.adapter, |
139 interfaces.BluetoothAdapter.Adapter); | 137 interfaces.BluetoothAdapter.Adapter); |
140 | 138 |
141 adapterBroker = new AdapterBroker(adapter); | 139 adapterBroker = new AdapterBroker(adapter); |
142 return adapterBroker; | 140 return adapterBroker; |
143 }); | 141 }); |
144 } | 142 } |
145 | 143 |
146 return { | 144 return { |
147 getAdapterBroker: getAdapterBroker, | 145 getAdapterBroker: getAdapterBroker, |
148 }; | 146 }; |
149 }); | 147 }); |
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