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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 // Use the <code>chrome.bluetooth</code> API to connect to a Bluetooth | |
6 // device. All functions report failures via chrome.runtime.lastError. | |
7 namespace bluetooth { | |
8 // Allocation authorities for Vendor IDs. | |
9 enum VendorIdSource {bluetooth, usb}; | |
10 | |
11 // Common device types recognized by Chrome. | |
12 enum DeviceType {computer, phone, modem, audio, carAudio, video, peripheral, | |
13 joystick, gamepad, keyboard, mouse, tablet, | |
14 keyboardMouseCombo}; | |
15 | |
16 // Information about the state of the Bluetooth adapter. | |
17 dictionary AdapterState { | |
18 // The address of the adapter, in the format 'XX:XX:XX:XX:XX:XX'. | |
19 DOMString address; | |
20 | |
21 // The human-readable name of the adapter. | |
22 DOMString name; | |
23 | |
24 // Indicates whether or not the adapter has power. | |
25 boolean powered; | |
26 | |
27 // Indicates whether or not the adapter is available (i.e. enabled). | |
28 boolean available; | |
29 | |
30 // Indicates whether or not the adapter is currently discovering. | |
31 boolean discovering; | |
32 }; | |
33 | |
34 // Callback from the <code>getAdapterState</code> method. | |
35 // |adapterInfo| : Object containing the adapter information. | |
36 callback AdapterStateCallback = void(AdapterState adapterInfo); | |
37 | |
38 // Information about the state of a known Bluetooth device. | |
39 dictionary Device { | |
40 // The address of the device, in the format 'XX:XX:XX:XX:XX:XX'. | |
41 DOMString address; | |
42 | |
43 // The human-readable name of the device. | |
44 DOMString? name; | |
45 | |
46 // The class of the device, a bit-field defined by | |
47 // http://www.bluetooth.org/en-us/specification/assigned-numbers/baseband. | |
48 long? deviceClass; | |
49 | |
50 // The Device ID record of the device, where available. | |
51 VendorIdSource? vendorIdSource; | |
52 long? vendorId; | |
53 long? productId; | |
54 long? deviceId; | |
55 | |
56 // The type of the device, if recognized by Chrome. This is obtained from | |
57 // the |deviceClass| field and only represents a small fraction of the | |
58 // possible device types. When in doubt you should use the |deviceClass| | |
59 // field directly. | |
60 DeviceType? type; | |
61 | |
62 // Indicates whether or not the device is paired with the system. | |
63 boolean? paired; | |
64 | |
65 // Indicates whether the device is currently connected to the system. | |
66 boolean? connected; | |
67 | |
68 // Indicates the RSSI ("received signal strength indication") of the | |
69 // connection to the device, measured in dBm, to a resolution of 1dBm. | |
70 // If the device is currently connected, then measures the RSSI of the | |
71 // connection signal. Otherwise, measures the RSSI of the last inquiry sent | |
72 // to the device, where available. Absent if unavailable. | |
73 [nodoc] long? rssi; | |
74 | |
75 // Indicates the host's current transmit power ("Tx power") for the | |
76 // connection to the device, measured in dBm, to a resolution of 1dBm. | |
77 // This value is only available if the device is currently connected. | |
78 [nodoc] long? currentHostTransmitPower; | |
79 | |
80 // Indicates the host's maximum transmit power ("Tx power") for the | |
81 // connection to the device, measured in dBm, to a resolution of 1dBm. | |
82 // This value is only available if the device is currently connected. | |
83 [nodoc] long? maximumHostTransmitPower; | |
84 | |
85 // UUIDs of protocols, profiles and services advertised by the device. | |
86 // For classic Bluetooth devices, this list is obtained from EIR data and | |
87 // SDP tables. For Low Energy devices, this list is obtained from AD and | |
88 // GATT primary services. For dual mode devices this may be obtained from | |
89 // both. | |
90 DOMString[]? uuids; | |
91 }; | |
92 | |
93 // Callback from the <code>getDevice</code> method. | |
94 // |deviceInfo| : Object containing the device information. | |
95 callback GetDeviceCallback = void(Device deviceInfo); | |
96 | |
97 // Callback from the <code>getDevices</code> method. | |
98 // |deviceInfos| : Array of object containing device information. | |
99 callback GetDevicesCallback = void(Device[] deviceInfos); | |
100 | |
101 // Callback from the <code>startDiscovery</code> method. | |
102 callback StartDiscoveryCallback = void(); | |
103 | |
104 // Callback from the <code>stopDiscovery</code> method. | |
105 callback StopDiscoveryCallback = void(); | |
106 | |
107 // These functions all report failures via chrome.runtime.lastError. | |
108 interface Functions { | |
109 // Get information about the Bluetooth adapter. | |
110 // |callback| : Called with an AdapterState object describing the adapter | |
111 // state. | |
112 static void getAdapterState(AdapterStateCallback callback); | |
113 | |
114 // Get information about a Bluetooth device known to the system. | |
115 // |deviceAddress| : Address of device to get. | |
116 // |callback| : Called with the Device object describing the device. | |
117 static void getDevice(DOMString deviceAddress, GetDeviceCallback callback); | |
118 | |
119 // Get a list of Bluetooth devices known to the system, including paired | |
120 // and recently discovered devices. | |
121 // |callback| : Called when the search is completed. | |
122 static void getDevices(GetDevicesCallback callback); | |
123 | |
124 // Start discovery. Newly discovered devices will be returned via the | |
125 // onDeviceAdded event. Previously discovered devices already known to | |
126 // the adapter must be obtained using getDevices and will only be updated | |
127 // using the |onDeviceChanged| event if information about them changes. | |
128 // | |
129 // Discovery will fail to start if this application has already called | |
130 // startDiscovery. Discovery can be resource intensive: stopDiscovery | |
131 // should be called as soon as possible. | |
132 // |callback| : Called to indicate success or failure. | |
133 static void startDiscovery(optional StartDiscoveryCallback callback); | |
134 | |
135 // Stop discovery. | |
136 // |callback| : Called to indicate success or failure. | |
137 static void stopDiscovery(optional StopDiscoveryCallback callback); | |
138 }; | |
139 | |
140 interface Events { | |
141 // Fired when the state of the Bluetooth adapter changes. | |
142 // |state| : The new state of the adapter. | |
143 static void onAdapterStateChanged(AdapterState state); | |
144 | |
145 // Fired when information about a new Bluetooth device is available. | |
146 static void onDeviceAdded(Device device); | |
147 | |
148 // Fired when information about a known Bluetooth device has changed. | |
149 static void onDeviceChanged(Device device); | |
150 | |
151 // Fired when a Bluetooth device that was previously discovered has been | |
152 // out of range for long enough to be considered unavailable again, and | |
153 // when a paired device is removed. | |
154 static void onDeviceRemoved(Device device); | |
155 }; | |
156 }; | |
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