OLD | NEW |
---|---|
1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "content/renderer/bluetooth/bluetooth_dispatcher.h" | 5 #include "content/renderer/bluetooth/bluetooth_dispatcher.h" |
6 | 6 |
7 #include "base/lazy_instance.h" | 7 #include "base/lazy_instance.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/message_loop/message_loop.h" | 9 #include "base/message_loop/message_loop.h" |
10 #include "base/thread_task_runner_handle.h" | 10 #include "base/thread_task_runner_handle.h" |
11 #include "content/child/thread_safe_sender.h" | 11 #include "content/child/thread_safe_sender.h" |
12 #include "content/common/bluetooth/bluetooth_messages.h" | 12 #include "content/common/bluetooth/bluetooth_messages.h" |
13 #include "device/bluetooth/bluetooth_uuid.h" | 13 #include "device/bluetooth/bluetooth_uuid.h" |
14 #include "third_party/WebKit/public/platform/WebPassOwnPtr.h" | 14 #include "third_party/WebKit/public/platform/WebPassOwnPtr.h" |
15 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothDevic e.h" | 15 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothDevic e.h" |
16 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothError .h" | 16 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothError .h" |
17 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothGATTC haracteristic.h" | 17 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothGATTC haracteristic.h" |
18 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothGATTC haracteristicDelegate.h" | |
18 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothGATTR emoteServer.h" | 19 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothGATTR emoteServer.h" |
19 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothGATTS ervice.h" | 20 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothGATTS ervice.h" |
20 #include "third_party/WebKit/public/platform/modules/bluetooth/WebRequestDeviceO ptions.h" | 21 #include "third_party/WebKit/public/platform/modules/bluetooth/WebRequestDeviceO ptions.h" |
21 | 22 |
22 using blink::WebBluetoothConnectGATTCallbacks; | 23 using blink::WebBluetoothConnectGATTCallbacks; |
23 using blink::WebBluetoothDevice; | 24 using blink::WebBluetoothDevice; |
24 using blink::WebBluetoothError; | 25 using blink::WebBluetoothError; |
25 using blink::WebBluetoothGATTCharacteristic; | 26 using blink::WebBluetoothGATTCharacteristic; |
26 using blink::WebBluetoothGATTRemoteServer; | 27 using blink::WebBluetoothGATTRemoteServer; |
27 using blink::WebBluetoothGATTService; | 28 using blink::WebBluetoothGATTService; |
(...skipping 27 matching lines...) Expand all Loading... | |
55 : service_instance_id(service_instance_id), | 56 : service_instance_id(service_instance_id), |
56 characteristic_uuid(characteristic_uuid), | 57 characteristic_uuid(characteristic_uuid), |
57 callbacks(callbacks) {} | 58 callbacks(callbacks) {} |
58 ~BluetoothCharacteristicRequest() {} | 59 ~BluetoothCharacteristicRequest() {} |
59 | 60 |
60 blink::WebString service_instance_id; | 61 blink::WebString service_instance_id; |
61 blink::WebString characteristic_uuid; | 62 blink::WebString characteristic_uuid; |
62 scoped_ptr<blink::WebBluetoothGetCharacteristicCallbacks> callbacks; | 63 scoped_ptr<blink::WebBluetoothGetCharacteristicCallbacks> callbacks; |
63 }; | 64 }; |
64 | 65 |
66 struct BluetoothNotificationsRequest { | |
67 BluetoothNotificationsRequest( | |
68 blink::WebString characteristic_instance_id, | |
69 blink::WebBluetoothGATTCharacteristicDelegate* delegate, | |
70 blink::WebBluetoothNotificationsCallbacks* callbacks) | |
71 : characteristic_instance_id(characteristic_instance_id), | |
72 delegate(delegate), | |
73 callbacks(callbacks) {} | |
74 ~BluetoothNotificationsRequest() {} | |
75 | |
76 blink::WebString characteristic_instance_id; | |
77 // Note that the delegate is owned by the execution context on the blink | |
78 // side which can destroy the delegate at any point. Since the delegate | |
79 // implements ActiveDOMObject we do get notify when it's being destroyed, | |
80 // so we can remove any references to it. | |
81 blink::WebBluetoothGATTCharacteristicDelegate* delegate; | |
82 scoped_ptr<blink::WebBluetoothNotificationsCallbacks> callbacks; | |
83 }; | |
84 | |
65 namespace content { | 85 namespace content { |
66 | 86 |
67 namespace { | 87 namespace { |
68 | 88 |
69 base::LazyInstance<base::ThreadLocalPointer<void>>::Leaky g_dispatcher_tls = | 89 base::LazyInstance<base::ThreadLocalPointer<void>>::Leaky g_dispatcher_tls = |
70 LAZY_INSTANCE_INITIALIZER; | 90 LAZY_INSTANCE_INITIALIZER; |
71 | 91 |
72 void* const kHasBeenDeleted = reinterpret_cast<void*>(0x1); | 92 void* const kHasBeenDeleted = reinterpret_cast<void*>(0x1); |
73 | 93 |
74 int CurrentWorkerId() { | 94 int CurrentWorkerId() { |
(...skipping 61 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
136 IPC_MESSAGE_HANDLER(BluetoothMsg_GetCharacteristicError, | 156 IPC_MESSAGE_HANDLER(BluetoothMsg_GetCharacteristicError, |
137 OnGetCharacteristicError); | 157 OnGetCharacteristicError); |
138 IPC_MESSAGE_HANDLER(BluetoothMsg_ReadCharacteristicValueSuccess, | 158 IPC_MESSAGE_HANDLER(BluetoothMsg_ReadCharacteristicValueSuccess, |
139 OnReadValueSuccess); | 159 OnReadValueSuccess); |
140 IPC_MESSAGE_HANDLER(BluetoothMsg_ReadCharacteristicValueError, | 160 IPC_MESSAGE_HANDLER(BluetoothMsg_ReadCharacteristicValueError, |
141 OnReadValueError); | 161 OnReadValueError); |
142 IPC_MESSAGE_HANDLER(BluetoothMsg_WriteCharacteristicValueSuccess, | 162 IPC_MESSAGE_HANDLER(BluetoothMsg_WriteCharacteristicValueSuccess, |
143 OnWriteValueSuccess); | 163 OnWriteValueSuccess); |
144 IPC_MESSAGE_HANDLER(BluetoothMsg_WriteCharacteristicValueError, | 164 IPC_MESSAGE_HANDLER(BluetoothMsg_WriteCharacteristicValueError, |
145 OnWriteValueError); | 165 OnWriteValueError); |
166 IPC_MESSAGE_HANDLER(BluetoothMsg_StartNotificationsSuccess, | |
167 OnStartNotificationsSuccess) | |
168 IPC_MESSAGE_HANDLER(BluetoothMsg_StartNotificationsError, | |
169 OnStartNotificationsError) | |
170 IPC_MESSAGE_HANDLER(BluetoothMsg_StopNotificationsSuccess, | |
171 OnStopNotificationsSuccess) | |
146 IPC_MESSAGE_UNHANDLED(handled = false) | 172 IPC_MESSAGE_UNHANDLED(handled = false) |
147 IPC_END_MESSAGE_MAP() | 173 IPC_END_MESSAGE_MAP() |
148 DCHECK(handled) << "Unhandled message:" << msg.type(); | 174 DCHECK(handled) << "Unhandled message:" << msg.type(); |
149 } | 175 } |
150 | 176 |
151 void BluetoothDispatcher::requestDevice( | 177 void BluetoothDispatcher::requestDevice( |
152 int frame_routing_id, | 178 int frame_routing_id, |
153 const WebRequestDeviceOptions& options, | 179 const WebRequestDeviceOptions& options, |
154 blink::WebBluetoothRequestDeviceCallbacks* callbacks) { | 180 blink::WebBluetoothRequestDeviceCallbacks* callbacks) { |
155 int request_id = pending_requests_.Add(callbacks); | 181 int request_id = pending_requests_.Add(callbacks); |
(...skipping 62 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
218 void BluetoothDispatcher::writeValue( | 244 void BluetoothDispatcher::writeValue( |
219 const blink::WebString& characteristic_instance_id, | 245 const blink::WebString& characteristic_instance_id, |
220 const std::vector<uint8_t>& value, | 246 const std::vector<uint8_t>& value, |
221 blink::WebBluetoothWriteValueCallbacks* callbacks) { | 247 blink::WebBluetoothWriteValueCallbacks* callbacks) { |
222 int request_id = pending_write_value_requests_.Add(callbacks); | 248 int request_id = pending_write_value_requests_.Add(callbacks); |
223 | 249 |
224 Send(new BluetoothHostMsg_WriteValue( | 250 Send(new BluetoothHostMsg_WriteValue( |
225 CurrentWorkerId(), request_id, characteristic_instance_id.utf8(), value)); | 251 CurrentWorkerId(), request_id, characteristic_instance_id.utf8(), value)); |
226 } | 252 } |
227 | 253 |
254 void BluetoothDispatcher::startNotifications( | |
255 const blink::WebString& characteristic_instance_id, | |
256 blink::WebBluetoothGATTCharacteristicDelegate* delegate, | |
257 blink::WebBluetoothNotificationsCallbacks* callbacks) { | |
258 // If an object is already subcribed to notifications from the characteristic, | |
259 // no need to subscribe to the dispatcher host again. | |
260 if (HasActiveCharacteristicNotification(characteristic_instance_id)) { | |
261 AddToActiveNotificationsMap(characteristic_instance_id, delegate); | |
262 callbacks->onSuccess(); | |
263 return; | |
264 } | |
265 | |
266 int request_id = pending_start_notifications_requests_.Add( | |
267 new BluetoothNotificationsRequest(characteristic_instance_id, delegate, | |
268 callbacks)); | |
269 | |
270 Send(new BluetoothHostMsg_StartNotifications( | |
271 CurrentWorkerId(), request_id, characteristic_instance_id.utf8())); | |
272 } | |
273 | |
274 void BluetoothDispatcher::stopNotifications( | |
275 const blink::WebString& characteristic_instance_id, | |
276 blink::WebBluetoothGATTCharacteristicDelegate* delegate, | |
277 blink::WebBluetoothNotificationsCallbacks* callbacks) { | |
278 // If this is not an active characteristic then no need to unsubscribe. | |
279 if (!HasActiveCharacteristicNotification(characteristic_instance_id)) { | |
280 callbacks->onSuccess(); | |
281 return; | |
282 } | |
283 | |
284 if (WillBeActiveNotificationWhenRemoved(characteristic_instance_id, | |
285 delegate)) { | |
286 RemoveFromActiveNotificationsMap(characteristic_instance_id, delegate); | |
287 callbacks->onSuccess(); | |
288 return; | |
289 } | |
290 | |
291 int request_id = pending_stop_notifications_requests_.Add( | |
292 new BluetoothNotificationsRequest(characteristic_instance_id, delegate, | |
293 callbacks)); | |
294 | |
295 Send(new BluetoothHostMsg_StopNotifications( | |
296 CurrentWorkerId(), request_id, characteristic_instance_id.utf8())); | |
297 } | |
298 | |
299 void BluetoothDispatcher::characteristicDelegateRemoved( | |
300 const blink::WebString& characteristic_instance_id, | |
301 blink::WebBluetoothGATTCharacteristicDelegate* delegate) { | |
302 RemoveFromActiveNotificationsMap(characteristic_instance_id, delegate); | |
303 | |
304 // If the characteristic is still active no need to unsubscribe. | |
305 if (HasActiveCharacteristicNotification(characteristic_instance_id)) { | |
306 return; | |
307 } | |
308 | |
309 // There could be a request pending on a delegate so we need to check | |
310 // the requests map. We ignore the stop request since we don't use | |
311 // the delegate in those. | |
312 for (IDMap<BluetoothNotificationsRequest, IDMapOwnPointer>::iterator iter( | |
313 &pending_start_notifications_requests_); | |
314 !iter.IsAtEnd(); iter.Advance()) { | |
315 iter.GetCurrentValue()->delegate = nullptr; | |
316 } | |
317 } | |
318 | |
228 void BluetoothDispatcher::WillStopCurrentWorkerThread() { | 319 void BluetoothDispatcher::WillStopCurrentWorkerThread() { |
229 delete this; | 320 delete this; |
230 } | 321 } |
231 | 322 |
323 bool BluetoothDispatcher::HasActiveCharacteristicNotification( | |
324 const blink::WebString& characteristic_instance_id) { | |
325 auto char_iter = active_characteristic_notifications.find( | |
326 characteristic_instance_id.utf8()); | |
327 | |
328 // An active characteristic will point to a set of delegates. | |
329 if (char_iter == active_characteristic_notifications.end()) { | |
330 return false; | |
331 } | |
332 | |
333 return true; | |
334 } | |
335 | |
336 void BluetoothDispatcher::AddToActiveNotificationsMap( | |
337 const blink::WebString& characteristic_instance_id, | |
338 blink::WebBluetoothGATTCharacteristicDelegate* delegate) { | |
339 auto char_iter = active_characteristic_notifications.find( | |
340 characteristic_instance_id.utf8()); | |
341 | |
342 // First object that subscribes to notifications for the characteristic. | |
343 if (char_iter == active_characteristic_notifications.end()) { | |
344 std::set<blink::WebBluetoothGATTCharacteristicDelegate*> delegates; | |
345 delegates.insert(delegate); | |
346 active_characteristic_notifications.insert( | |
347 std::make_pair(characteristic_instance_id.utf8(), delegates)); | |
348 return; | |
349 } | |
350 // Otherwise add to already existing set. | |
351 char_iter->second.insert(delegate); | |
352 } | |
353 | |
354 bool BluetoothDispatcher::WillBeActiveNotificationWhenRemoved( | |
355 const blink::WebString& characteristic_instance_id, | |
356 blink::WebBluetoothGATTCharacteristicDelegate* delegate) { | |
357 auto char_iter = active_characteristic_notifications.find( | |
358 characteristic_instance_id.utf8()); | |
359 | |
360 // The characteristic will point to a set as long as there is at least | |
361 // one delegate subscribed to notifications. | |
362 if (char_iter == active_characteristic_notifications.end()) { | |
363 return false; | |
364 } | |
365 const std::set<blink::WebBluetoothGATTCharacteristicDelegate*>& delegate_set = | |
366 char_iter->second; | |
367 // If we find the delegate and the size of the set is one then removing | |
368 // the delegate will make the notification inactive. | |
369 if (delegate_set.find(delegate) != delegate_set.end() && | |
370 delegate_set.size() == 1) { | |
371 return false; | |
372 } | |
373 return true; | |
374 } | |
375 | |
376 void BluetoothDispatcher::RemoveFromActiveNotificationsMap( | |
377 const blink::WebString& characteristic_instance_id, | |
378 blink::WebBluetoothGATTCharacteristicDelegate* delegate) { | |
379 auto char_iter = active_characteristic_notifications.find( | |
380 characteristic_instance_id.utf8()); | |
381 | |
382 if (char_iter == active_characteristic_notifications.end()) { | |
383 return; | |
384 } | |
385 | |
386 char_iter->second.erase(delegate); | |
387 | |
388 if (char_iter->second.size() == 0) { | |
389 active_characteristic_notifications.erase(char_iter); | |
390 } | |
391 } | |
392 | |
232 void BluetoothDispatcher::OnRequestDeviceSuccess( | 393 void BluetoothDispatcher::OnRequestDeviceSuccess( |
233 int thread_id, | 394 int thread_id, |
234 int request_id, | 395 int request_id, |
235 const BluetoothDevice& device) { | 396 const BluetoothDevice& device) { |
236 DCHECK(pending_requests_.Lookup(request_id)) << request_id; | 397 DCHECK(pending_requests_.Lookup(request_id)) << request_id; |
237 | 398 |
238 WebVector<WebString> uuids(device.uuids.size()); | 399 WebVector<WebString> uuids(device.uuids.size()); |
239 for (size_t i = 0; i < device.uuids.size(); ++i) | 400 for (size_t i = 0; i < device.uuids.size(); ++i) |
240 uuids[i] = WebString::fromUTF8(device.uuids[i].c_str()); | 401 uuids[i] = WebString::fromUTF8(device.uuids[i].c_str()); |
241 | 402 |
(...skipping 137 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
379 int request_id, | 540 int request_id, |
380 WebBluetoothError error) { | 541 WebBluetoothError error) { |
381 DCHECK(pending_write_value_requests_.Lookup(request_id)) << request_id; | 542 DCHECK(pending_write_value_requests_.Lookup(request_id)) << request_id; |
382 | 543 |
383 pending_write_value_requests_.Lookup(request_id) | 544 pending_write_value_requests_.Lookup(request_id) |
384 ->onError(WebBluetoothError(error)); | 545 ->onError(WebBluetoothError(error)); |
385 | 546 |
386 pending_write_value_requests_.Remove(request_id); | 547 pending_write_value_requests_.Remove(request_id); |
387 } | 548 } |
388 | 549 |
550 void BluetoothDispatcher::OnStartNotificationsSuccess(int thread_id, | |
551 int request_id) { | |
552 DCHECK(pending_start_notifications_requests_.Lookup(request_id)) | |
553 << request_id; | |
554 | |
555 BluetoothNotificationsRequest* request = | |
556 pending_start_notifications_requests_.Lookup(request_id); | |
557 | |
558 // The object requesting the notification could have been destroyed | |
559 // while waiting for the subscription. characteristicDelegateRemoved | |
560 // nulls the delegate when the delegate gets destroyed. | |
561 if (request->delegate != nullptr) { | |
ortuno
2015/09/16 16:30:08
Argh. This doesn't work. If the delegate gets dest
| |
562 AddToActiveNotificationsMap(request->characteristic_instance_id, | |
563 request->delegate); | |
564 } | |
565 request->callbacks->onSuccess(); | |
566 | |
567 pending_start_notifications_requests_.Remove(request_id); | |
568 } | |
569 | |
570 void BluetoothDispatcher::OnStartNotificationsError(int thread_id, | |
571 int request_id, | |
572 WebBluetoothError error) { | |
573 DCHECK(pending_start_notifications_requests_.Lookup(request_id)) | |
574 << request_id; | |
575 | |
576 pending_start_notifications_requests_.Lookup(request_id) | |
577 ->callbacks->onError(error); | |
578 | |
579 pending_start_notifications_requests_.Remove(request_id); | |
580 } | |
581 | |
582 void BluetoothDispatcher::OnStopNotificationsSuccess(int thread_id, | |
583 int request_id) { | |
584 DCHECK(pending_stop_notifications_requests_.Lookup(request_id)) << request_id; | |
585 | |
586 BluetoothNotificationsRequest* request = | |
587 pending_stop_notifications_requests_.Lookup(request_id); | |
588 | |
589 RemoveFromActiveNotificationsMap(request->characteristic_instance_id, | |
590 request->delegate); | |
591 | |
592 pending_stop_notifications_requests_.Lookup(request_id) | |
593 ->callbacks->onSuccess(); | |
594 | |
595 pending_stop_notifications_requests_.Remove(request_id); | |
596 } | |
597 | |
389 } // namespace content | 598 } // namespace content |
OLD | NEW |