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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 // Use the <code>chrome.bluetooth</code> API to connect to a Bluetooth | 5 // Use the <code>chrome.bluetooth</code> API to connect to a Bluetooth |
6 // device. All functions report failures via chrome.runtime.lastError. | 6 // device. All functions report failures via chrome.runtime.lastError. |
7 namespace bluetooth { | 7 namespace bluetooth { |
8 // Allocation authorities for Vendor IDs. | 8 // Allocation authorities for Vendor IDs. |
9 enum VendorIdSource {bluetooth, usb}; | 9 enum VendorIdSource {bluetooth, usb}; |
10 | 10 |
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24 // Indicates whether or not the adapter has power. | 24 // Indicates whether or not the adapter has power. |
25 boolean powered; | 25 boolean powered; |
26 | 26 |
27 // Indicates whether or not the adapter is available (i.e. enabled). | 27 // Indicates whether or not the adapter is available (i.e. enabled). |
28 boolean available; | 28 boolean available; |
29 | 29 |
30 // Indicates whether or not the adapter is currently discovering. | 30 // Indicates whether or not the adapter is currently discovering. |
31 boolean discovering; | 31 boolean discovering; |
32 }; | 32 }; |
33 | 33 |
| 34 // Callback from the <code>getAdapterState</code> method. |
| 35 // |adapterInfo| : Object containing the adapter information. |
| 36 callback AdapterStateCallback = void(AdapterState adapterInfo); |
| 37 |
34 // Information about the state of a known Bluetooth device. | 38 // Information about the state of a known Bluetooth device. |
35 dictionary Device { | 39 dictionary Device { |
36 // The address of the device, in the format 'XX:XX:XX:XX:XX:XX'. | 40 // The address of the device, in the format 'XX:XX:XX:XX:XX:XX'. |
37 DOMString address; | 41 DOMString address; |
38 | 42 |
39 // The human-readable name of the device. | 43 // The human-readable name of the device. |
40 DOMString? name; | 44 DOMString? name; |
41 | 45 |
42 // The class of the device, a bit-field defined by | 46 // The class of the device, a bit-field defined by |
43 // http://www.bluetooth.org/en-us/specification/assigned-numbers/baseband. | 47 // http://www.bluetooth.org/en-us/specification/assigned-numbers/baseband. |
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79 long? maximumHostTransmitPower; | 83 long? maximumHostTransmitPower; |
80 | 84 |
81 // UUIDs of protocols, profiles and services advertised by the device. | 85 // UUIDs of protocols, profiles and services advertised by the device. |
82 // For classic Bluetooth devices, this list is obtained from EIR data and | 86 // For classic Bluetooth devices, this list is obtained from EIR data and |
83 // SDP tables. For Low Energy devices, this list is obtained from AD and | 87 // SDP tables. For Low Energy devices, this list is obtained from AD and |
84 // GATT primary services. For dual mode devices this may be obtained from | 88 // GATT primary services. For dual mode devices this may be obtained from |
85 // both. | 89 // both. |
86 DOMString[]? uuids; | 90 DOMString[]? uuids; |
87 }; | 91 }; |
88 | 92 |
89 // Information about a Bluetooth profile. | 93 // Callback from the <code>getDevice</code> method. |
90 dictionary Profile { | 94 // |deviceInfo| : Object containing the device information. |
91 // Unique profile identifier, e.g. 00001401-0000-1000-8000-00805F9B23FB | 95 callback GetDeviceCallback = void(Device deviceInfo); |
92 DOMString uuid; | |
93 | 96 |
94 // Human-readable name of the Profile, e.g. "Health Device" | 97 // Callback from the <code>getDevices</code> method. |
95 DOMString? name; | 98 // |deviceInfos| : Array of object containing device information. |
| 99 callback GetDevicesCallback = void(Device[] deviceInfos); |
96 | 100 |
97 // The RFCOMM channel id, used when the profile is to be exported to remote | 101 // Callback from the <code>startDiscovery</code> method. |
98 // devices. | 102 callback StartDiscoveryCallback = void(); |
99 long? channel; | |
100 | 103 |
101 // The LS2CAP PSM number, used when the profile is to be exported to remote | 104 // Callback from the <code>stopDiscovery</code> method. |
102 // devices. | 105 callback StopDiscoveryCallback = void(); |
103 long? psm; | |
104 | |
105 // Specifies whether pairing (and encryption) is required to be able to | |
106 // connect. | |
107 boolean? requireAuthentication; | |
108 | |
109 // Specifies whether user authorization is required to be able to connect. | |
110 boolean? requireAuthorization; | |
111 | |
112 // Specifies whether this profile will be automatically connected if any | |
113 // other profile of device also exporting this profile connects to the host. | |
114 boolean? autoConnect; | |
115 | |
116 // Specifies the implemented version of the profile. | |
117 long? version; | |
118 | |
119 // Specifies the profile-specific bit field of features the implementation | |
120 // supports. | |
121 long? features; | |
122 }; | |
123 | |
124 // The socket properties specified in the $ref:update function. Each property | |
125 // is optional. If a property value is not specified, the existing value if | |
126 // preserved when calling $ref:update. | |
127 dictionary SocketProperties { | |
128 // Flag indicating whether the socket is left open when the event page of | |
129 // the application is unloaded (see <a | |
130 // href="http://developer.chrome.com/apps/app_lifecycle.html">Manage App | |
131 // Lifecycle</a>). The default value is <code>false.</code> When the | |
132 // application is loaded, any sockets previously opened with persistent=true | |
133 // can be fetched with $ref:getSockets. | |
134 boolean? persistent; | |
135 | |
136 // An application-defined string associated with the socket. | |
137 DOMString? name; | |
138 | |
139 // The size of the buffer used to receive data. The default value is 4096. | |
140 long? bufferSize; | |
141 }; | |
142 | |
143 dictionary Socket { | |
144 // The socket identifier. | |
145 long id; | |
146 | |
147 // The remote Bluetooth device associated with this socket. | |
148 Device device; | |
149 | |
150 // The remote Bluetooth uuid associated with this socket. | |
151 DOMString uuid; | |
152 | |
153 // Flag indicating whether the socket is left open when the application is | |
154 // suspended (see <code>SocketProperties.persistent</code>). | |
155 boolean persistent; | |
156 | |
157 // Application-defined string associated with the socket. | |
158 DOMString? name; | |
159 | |
160 // The size of the buffer used to receive data. If no buffer size has been | |
161 // specified explictly, the field is not provided. | |
162 long? bufferSize; | |
163 | |
164 // Flag indicating whether a connected socket blocks its peer from sending | |
165 // more data (see <code>setPaused</code>). | |
166 boolean paused; | |
167 }; | |
168 | |
169 callback AdapterStateCallback = void(AdapterState result); | |
170 callback AddressCallback = void(DOMString result); | |
171 callback BooleanCallback = void(boolean result); | |
172 callback DataCallback = void(optional ArrayBuffer result); | |
173 callback DeviceCallback = void(Device result); | |
174 callback DevicesCallback = void(Device[] result); | |
175 callback NameCallback = void(DOMString result); | |
176 callback ResultCallback = void(); | |
177 callback SizeCallback = void(long result); | |
178 callback SocketCallback = void(Socket result); | |
179 | |
180 // Options for the connect function. | |
181 dictionary ConnectOptions { | |
182 // The connection is made to |device|. | |
183 Device device; | |
184 | |
185 // The connection is made to |profile|. | |
186 Profile profile; | |
187 }; | |
188 | |
189 // Options for the disconnect function. | |
190 dictionary DisconnectOptions { | |
191 // The socket identifier. | |
192 long socketId; | |
193 }; | |
194 | |
195 // Callback from the <code>getSocket</code> method. | |
196 // |socket| : Object containing the socket information. | |
197 callback GetSocketCallback = void (Socket socket); | |
198 | |
199 // Callback from the <code>getSockets</code> method. | |
200 // |sockets| : Array of object containing socket information. | |
201 callback GetSocketsCallback = void (Socket[] sockets); | |
202 | |
203 // Data from an <code>onReceive</code> event. | |
204 dictionary ReceiveInfo { | |
205 // The socket identifier. | |
206 long socketId; | |
207 | |
208 // The data received, with a maximum size of <code>bufferSize</code>. | |
209 ArrayBuffer data; | |
210 }; | |
211 | |
212 enum ReceiveError { | |
213 // The connection was disconnected. | |
214 disconnected, | |
215 | |
216 // A system error occurred and the connection may be unrecoverable. | |
217 system_error | |
218 }; | |
219 | |
220 // Data from an <code>onReceiveError</code> event. | |
221 dictionary ReceiveErrorInfo { | |
222 // The socket identifier. | |
223 long socketId; | |
224 | |
225 // The error message. | |
226 DOMString errorMessage; | |
227 | |
228 // An error code indicating what went wrong. | |
229 ReceiveError error; | |
230 }; | |
231 | 106 |
232 // These functions all report failures via chrome.runtime.lastError. | 107 // These functions all report failures via chrome.runtime.lastError. |
233 interface Functions { | 108 interface Functions { |
234 // Get information about the Bluetooth adapter. | 109 // Get information about the Bluetooth adapter. |
235 // |callback| : Called with an AdapterState object describing the adapter | 110 // |callback| : Called with an AdapterState object describing the adapter |
236 // state. | 111 // state. |
237 static void getAdapterState(AdapterStateCallback callback); | 112 static void getAdapterState(AdapterStateCallback callback); |
238 | 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 |
239 // Get a list of Bluetooth devices known to the system, including paired | 119 // Get a list of Bluetooth devices known to the system, including paired |
240 // and recently discovered devices. | 120 // and recently discovered devices. |
241 // |callback| : Called when the search is completed. | 121 // |callback| : Called when the search is completed. |
242 static void getDevices(DevicesCallback callback); | 122 static void getDevices(GetDevicesCallback callback); |
243 | |
244 // Get information about a Bluetooth device known to the system. | |
245 // |deviceAddress| : Address of device to get. | |
246 // |callback| : Called with the Device object describing the device. | |
247 static void getDevice(DOMString deviceAddress, DeviceCallback callback); | |
248 | |
249 // Registers the JavaScript application as an implementation for the given | |
250 // Profile; if a channel or PSM is specified, the profile will be exported | |
251 // in the host's SDP and GATT tables and advertised to other devices. | |
252 static void addProfile(Profile profile, ResultCallback callback); | |
253 | |
254 // Unregisters the JavaScript application as an implementation for the given | |
255 // Profile; only the uuid field of the Profile object is used. | |
256 static void removeProfile(Profile profile, ResultCallback callback); | |
257 | |
258 // Connect to a service on a device. | |
259 // |options| : The options for the connection. | |
260 // |callback| : Called to indicate success or failure. | |
261 static void connect(ConnectOptions options, | |
262 ResultCallback callback); | |
263 | |
264 // Closes a Bluetooth connection. | |
265 // |options| : The options for this function. | |
266 // |callback| : Called to indicate success or failure. | |
267 static void disconnect(DisconnectOptions options, | |
268 optional ResultCallback callback); | |
269 | |
270 // Sends data to a Bluetooth connection. | |
271 // |socketId| : The socket identifier. | |
272 // |data| : The data to send. | |
273 // |callback| : Called with the number of bytes sent. | |
274 static void send(long socketId, | |
275 ArrayBuffer data, | |
276 optional SizeCallback callback); | |
277 | |
278 // Updates the socket properties. | |
279 // |socketId| : The socket identifier. | |
280 // |properties| : The properties to update. | |
281 // |callback| : Called when the properties are updated. | |
282 static void updateSocket(long socketId, | |
283 SocketProperties properties, | |
284 optional ResultCallback callback); | |
285 | |
286 // Enables or disables the application from receiving messages from its | |
287 // peer. The default value is <code>false</code>. Pausing a socket is | |
288 // typically used by an application to throttle data sent by its peer. When | |
289 // a socket is paused, no $ref:onReceive event is raised. When a socket is | |
290 // connected and un-paused, $ref:onReceive events are raised again when | |
291 // messages are received. | |
292 static void setSocketPaused(long socketId, | |
293 boolean paused, | |
294 optional ResultCallback callback); | |
295 | |
296 // Retrieves the state of the given socket. | |
297 // |socketId| : The socket identifier. | |
298 // |callback| : Called when the socket state is available. | |
299 static void getSocket(long socketId, | |
300 GetSocketCallback callback); | |
301 | |
302 // Retrieves the list of currently opened sockets owned by the application. | |
303 // |callback| : Called when the list of sockets is available. | |
304 static void getSockets(GetSocketsCallback callback); | |
305 | 123 |
306 // Start discovery. Newly discovered devices will be returned via the | 124 // Start discovery. Newly discovered devices will be returned via the |
307 // onDeviceAdded event. Previously discovered devices already known to | 125 // onDeviceAdded event. Previously discovered devices already known to |
308 // the adapter must be obtained using getDevices and will only be updated | 126 // the adapter must be obtained using getDevices and will only be updated |
309 // using the |onDeviceChanged| event if information about them changes. | 127 // using the |onDeviceChanged| event if information about them changes. |
310 // | 128 // |
311 // Discovery will fail to start if this application has already called | 129 // Discovery will fail to start if this application has already called |
312 // startDiscovery. Discovery can be resource intensive: stopDiscovery | 130 // startDiscovery. Discovery can be resource intensive: stopDiscovery |
313 // should be called as soon as possible. | 131 // should be called as soon as possible. |
314 // |callback| : Called to indicate success or failure. | 132 // |callback| : Called to indicate success or failure. |
315 static void startDiscovery( | 133 static void startDiscovery(optional StartDiscoveryCallback callback); |
316 optional ResultCallback callback); | |
317 | 134 |
318 // Stop discovery. | 135 // Stop discovery. |
319 // |callback| : Called to indicate success or failure. | 136 // |callback| : Called to indicate success or failure. |
320 static void stopDiscovery( | 137 static void stopDiscovery(optional StopDiscoveryCallback callback); |
321 optional ResultCallback callback); | |
322 }; | 138 }; |
323 | 139 |
324 interface Events { | 140 interface Events { |
325 // Fired when the state of the Bluetooth adapter changes. | 141 // Fired when the state of the Bluetooth adapter changes. |
326 // |state| : The new state of the adapter. | 142 // |state| : The new state of the adapter. |
327 static void onAdapterStateChanged(AdapterState state); | 143 static void onAdapterStateChanged(AdapterState state); |
328 | 144 |
329 // Fired when information about a new Bluetooth device is available. | 145 // Fired when information about a new Bluetooth device is available. |
330 static void onDeviceAdded(Device device); | 146 static void onDeviceAdded(Device device); |
331 | 147 |
332 // Fired when information about a known Bluetooth device has changed. | 148 // Fired when information about a known Bluetooth device has changed. |
333 static void onDeviceChanged(Device device); | 149 static void onDeviceChanged(Device device); |
334 | 150 |
335 // Fired when a Bluetooth device that was previously discovered has been | 151 // Fired when a Bluetooth device that was previously discovered has been |
336 // out of range for long enough to be considered unavailable again, and | 152 // out of range for long enough to be considered unavailable again, and |
337 // when a paired device is removed. | 153 // when a paired device is removed. |
338 static void onDeviceRemoved(Device device); | 154 static void onDeviceRemoved(Device device); |
339 | |
340 // Fired when a connection has been made for a registered profile. | |
341 // |socket| : The socket for the connection. | |
342 static void onConnection(Socket socket); | |
343 | |
344 // Event raised when data has been received for a given socket. | |
345 // |info| : The event data. | |
346 static void onReceive(ReceiveInfo info); | |
347 | |
348 // Event raised when a network error occured while the runtime was waiting | |
349 // for data on the socket. Once this event is raised, the socket is set to | |
350 // <code>paused</code> and no more <code>onReceive</code> events are raised | |
351 // for this socket. | |
352 // |info| : The event data. | |
353 static void onReceiveError(ReceiveErrorInfo info); | |
354 }; | 155 }; |
355 }; | 156 }; |
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