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| 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 #ifndef CONTENT_CHILD_BLUETOOTH_BLUETOOTH_DISPATCHER_H_ | 5 #ifndef CONTENT_CHILD_BLUETOOTH_BLUETOOTH_DISPATCHER_H_ |
| 6 #define CONTENT_CHILD_BLUETOOTH_BLUETOOTH_DISPATCHER_H_ | 6 #define CONTENT_CHILD_BLUETOOTH_BLUETOOTH_DISPATCHER_H_ |
| 7 | 7 |
| 8 #include <stdint.h> | 8 #include <stdint.h> |
| 9 | 9 |
| 10 #include <map> | 10 #include <map> |
| 11 #include <queue> | 11 #include <queue> |
| 12 | 12 |
| 13 #include "base/id_map.h" | 13 #include "base/id_map.h" |
| 14 #include "base/macros.h" | 14 #include "base/macros.h" |
| 15 #include "base/memory/ref_counted.h" | 15 #include "base/memory/ref_counted.h" |
| 16 #include "content/common/bluetooth/bluetooth_device.h" | 16 #include "content/common/bluetooth/bluetooth_device.h" |
| 17 #include "content/common/bluetooth/bluetooth_service.mojom.h" |
| 17 #include "content/public/child/worker_thread.h" | 18 #include "content/public/child/worker_thread.h" |
| 18 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetooth.h" | 19 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetooth.h" |
| 19 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothError
.h" | 20 #include "third_party/WebKit/public/platform/modules/bluetooth/WebBluetoothError
.h" |
| 20 | 21 |
| 21 namespace base { | 22 namespace base { |
| 22 class MessageLoop; | 23 class MessageLoop; |
| 23 class TaskRunner; | 24 class TaskRunner; |
| 24 } | 25 } |
| 25 | 26 |
| 26 namespace blink { | 27 namespace blink { |
| 27 class WebBluetoothRemoteGATTCharacteristic; | 28 class WebBluetoothRemoteGATTCharacteristic; |
| 28 } | 29 } |
| 29 | 30 |
| 30 namespace IPC { | 31 namespace IPC { |
| 31 class Message; | 32 class Message; |
| 32 } | 33 } |
| 33 | 34 |
| 34 struct BluetoothCharacteristicRequest; | 35 struct BluetoothCharacteristicRequest; |
| 35 struct BluetoothCharacteristicsRequest; | 36 struct BluetoothCharacteristicsRequest; |
| 36 struct BluetoothPrimaryServiceRequest; | 37 struct BluetoothPrimaryServiceRequest; |
| 37 struct BluetoothWriteValueRequest; | 38 struct BluetoothWriteValueRequest; |
| 38 struct BluetoothNotificationsRequest; | 39 struct BluetoothNotificationsRequest; |
| 39 | 40 |
| 40 namespace content { | 41 namespace content { |
| 42 class ServiceRegistry; |
| 41 class ThreadSafeSender; | 43 class ThreadSafeSender; |
| 42 | 44 |
| 43 // Dispatcher for child process threads which communicates to the browser's | 45 // Dispatcher for child process threads which communicates to the browser's |
| 44 // BluetoothDispatcherHost. | 46 // BluetoothDispatcherHost. |
| 45 // | 47 // |
| 46 // Instances are created for each thread as necessary by WebBluetoothImpl. | 48 // Instances are created for each thread as necessary by WebBluetoothImpl. |
| 47 // | 49 // |
| 48 // Incoming IPC messages are received by the BluetoothMessageFilter and | 50 // Incoming IPC messages are received by the BluetoothMessageFilter and |
| 49 // directed to the thread specific instance of this class. | 51 // directed to the thread specific instance of this class. |
| 50 // Outgoing messages come from WebBluetoothImpl. | 52 // Outgoing messages come from WebBluetoothImpl. |
| 51 class BluetoothDispatcher : public WorkerThread::Observer { | 53 class BluetoothDispatcher : public WorkerThread::Observer { |
| 52 public: | 54 public: |
| 53 explicit BluetoothDispatcher(ThreadSafeSender* sender); | 55 explicit BluetoothDispatcher(ThreadSafeSender* sender, |
| 56 ServiceRegistry* service_registry); |
| 54 ~BluetoothDispatcher() override; | 57 ~BluetoothDispatcher() override; |
| 55 | 58 |
| 56 // Gets or Creates a BluetoothDispatcher for the current thread. | 59 // Gets or Creates a BluetoothDispatcher for the current thread. |
| 57 // |thread_safe_sender| is required when constructing a BluetoothDispatcher. | 60 // |thread_safe_sender| is required when constructing a BluetoothDispatcher. |
| 58 static BluetoothDispatcher* GetOrCreateThreadSpecificInstance( | 61 static BluetoothDispatcher* GetOrCreateThreadSpecificInstance( |
| 59 ThreadSafeSender* thread_safe_sender); | 62 ThreadSafeSender* thread_safe_sender, |
| 63 ServiceRegistry* service_registry); |
| 60 | 64 |
| 61 // IPC Send and Receiving interface, see IPC::Sender and IPC::Listener. | 65 // IPC Send and Receiving interface, see IPC::Sender and IPC::Listener. |
| 62 bool Send(IPC::Message* msg); | 66 bool Send(IPC::Message* msg); |
| 63 void OnMessageReceived(const IPC::Message& msg); | 67 void OnMessageReceived(const IPC::Message& msg); |
| 64 | 68 |
| 65 // Corresponding to WebBluetoothImpl methods. | 69 // Corresponding to WebBluetoothImpl methods. |
| 66 void requestDevice(int frame_routing_id, | 70 void requestDevice(int frame_routing_id, |
| 67 const blink::WebRequestDeviceOptions& options, | 71 const blink::WebRequestDeviceOptions& options, |
| 68 blink::WebBluetoothRequestDeviceCallbacks* callbacks); | 72 blink::WebBluetoothRequestDeviceCallbacks* callbacks); |
| 69 void connect(int frame_routing_id, | 73 void connect(int frame_routing_id, |
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| 209 const std::vector<uint32_t>& characteristic_properties); | 213 const std::vector<uint32_t>& characteristic_properties); |
| 210 void OnGetCharacteristicsError(int thread_id, | 214 void OnGetCharacteristicsError(int thread_id, |
| 211 int request_id, | 215 int request_id, |
| 212 blink::WebBluetoothError error); | 216 blink::WebBluetoothError error); |
| 213 void OnReadValueSuccess(int thread_id, | 217 void OnReadValueSuccess(int thread_id, |
| 214 int request_id, | 218 int request_id, |
| 215 const std::vector<uint8_t>& value); | 219 const std::vector<uint8_t>& value); |
| 216 void OnReadValueError(int thread_id, | 220 void OnReadValueError(int thread_id, |
| 217 int request_id, | 221 int request_id, |
| 218 blink::WebBluetoothError error); | 222 blink::WebBluetoothError error); |
| 219 void OnWriteValueSuccess(int thread_id, int request_id); | 223 void OnWriteValue( |
| 220 void OnWriteValueError(int thread_id, | 224 const blink::WebVector<uint8_t>& value, |
| 221 int request_id, | 225 scoped_ptr<blink::WebBluetoothWriteValueCallbacks> callbacks, |
| 222 blink::WebBluetoothError error); | 226 blink::mojom::WebBluetoothError error); |
| 223 void OnStartNotificationsSuccess(int thread_id, int request_id); | 227 void OnStartNotificationsSuccess(int thread_id, int request_id); |
| 224 void OnStartNotificationsError(int thread_id, | 228 void OnStartNotificationsError(int thread_id, |
| 225 int request_id, | 229 int request_id, |
| 226 blink::WebBluetoothError error); | 230 blink::WebBluetoothError error); |
| 227 void OnStopNotificationsSuccess(int thread_id, int request_id); | 231 void OnStopNotificationsSuccess(int thread_id, int request_id); |
| 228 void OnCharacteristicValueChanged( | 232 void OnCharacteristicValueChanged( |
| 229 int thread_id, | 233 int thread_id, |
| 230 const std::string& characteristic_instance_id, | 234 const std::string& characteristic_instance_id, |
| 231 const std::vector<uint8_t> value); | 235 const std::vector<uint8_t> value); |
| 232 | 236 |
| 237 mojom::BluetoothServicePtr& GetBluetoothService(); |
| 238 |
| 233 scoped_refptr<ThreadSafeSender> thread_safe_sender_; | 239 scoped_refptr<ThreadSafeSender> thread_safe_sender_; |
| 234 | 240 |
| 235 // Map of characteristic_instance_id to a queue of Notification Requests' IDs. | 241 // Map of characteristic_instance_id to a queue of Notification Requests' IDs. |
| 236 // See "Notifications Queueing Note" above. | 242 // See "Notifications Queueing Note" above. |
| 237 std::map<std::string, std::queue<int>> notification_requests_queues_; | 243 std::map<std::string, std::queue<int>> notification_requests_queues_; |
| 238 | 244 |
| 239 // Tracks device requests sent to browser to match replies with callbacks. | 245 // Tracks device requests sent to browser to match replies with callbacks. |
| 240 // Owns callback objects. | 246 // Owns callback objects. |
| 241 IDMap<blink::WebBluetoothRequestDeviceCallbacks, IDMapOwnPointer> | 247 IDMap<blink::WebBluetoothRequestDeviceCallbacks, IDMapOwnPointer> |
| 242 pending_requests_; | 248 pending_requests_; |
| 243 // Tracks requests to connect to a device. | 249 // Tracks requests to connect to a device. |
| 244 // Owns callback objects. | 250 // Owns callback objects. |
| 245 IDMap<blink::WebBluetoothRemoteGATTServerConnectCallbacks, IDMapOwnPointer> | 251 IDMap<blink::WebBluetoothRemoteGATTServerConnectCallbacks, IDMapOwnPointer> |
| 246 pending_connect_requests_; | 252 pending_connect_requests_; |
| 247 // Tracks requests to get a primary service from a device. | 253 // Tracks requests to get a primary service from a device. |
| 248 // Owns request objects. | 254 // Owns request objects. |
| 249 IDMap<BluetoothPrimaryServiceRequest, IDMapOwnPointer> | 255 IDMap<BluetoothPrimaryServiceRequest, IDMapOwnPointer> |
| 250 pending_primary_service_requests_; | 256 pending_primary_service_requests_; |
| 251 // Tracks requests to get a characteristic from a service. | 257 // Tracks requests to get a characteristic from a service. |
| 252 IDMap<BluetoothCharacteristicRequest, IDMapOwnPointer> | 258 IDMap<BluetoothCharacteristicRequest, IDMapOwnPointer> |
| 253 pending_characteristic_requests_; | 259 pending_characteristic_requests_; |
| 254 // Tracks requests to get characteristics from a service. | 260 // Tracks requests to get characteristics from a service. |
| 255 IDMap<BluetoothCharacteristicsRequest, IDMapOwnPointer> | 261 IDMap<BluetoothCharacteristicsRequest, IDMapOwnPointer> |
| 256 pending_characteristics_requests_; | 262 pending_characteristics_requests_; |
| 257 // Tracks requests to read from a characteristics. | 263 // Tracks requests to read from a characteristics. |
| 258 IDMap<blink::WebBluetoothReadValueCallbacks, IDMapOwnPointer> | 264 IDMap<blink::WebBluetoothReadValueCallbacks, IDMapOwnPointer> |
| 259 pending_read_value_requests_; | 265 pending_read_value_requests_; |
| 260 IDMap<BluetoothWriteValueRequest, IDMapOwnPointer> | |
| 261 pending_write_value_requests_; | |
| 262 IDMap<BluetoothNotificationsRequest, IDMapOwnPointer> | 266 IDMap<BluetoothNotificationsRequest, IDMapOwnPointer> |
| 263 pending_notifications_requests_; | 267 pending_notifications_requests_; |
| 264 | 268 |
| 265 // Map of characteristic_instance_id to a set of | 269 // Map of characteristic_instance_id to a set of |
| 266 // WebBluetoothRemoteGATTCharacteristic pointers. Keeps track of which | 270 // WebBluetoothRemoteGATTCharacteristic pointers. Keeps track of which |
| 267 // objects are subscribed to notifications. | 271 // objects are subscribed to notifications. |
| 268 std::map<std::string, std::set<blink::WebBluetoothRemoteGATTCharacteristic*>> | 272 std::map<std::string, std::set<blink::WebBluetoothRemoteGATTCharacteristic*>> |
| 269 active_notification_subscriptions_; | 273 active_notification_subscriptions_; |
| 270 | 274 |
| 271 // Map of characteristic_instance_ids to | 275 // Map of characteristic_instance_ids to |
| 272 // WebBluetoothRemoteGATTCharacteristics. | 276 // WebBluetoothRemoteGATTCharacteristics. |
| 273 // Keeps track of what characteristics have listeners. | 277 // Keeps track of what characteristics have listeners. |
| 274 // TODO(ortuno): We are assuming that there exists a single frame per | 278 // TODO(ortuno): We are assuming that there exists a single frame per |
| 275 // dispatcher, so there could be at most one characteristic object per | 279 // dispatcher, so there could be at most one characteristic object per |
| 276 // characteristic_instance_id. Change to a set when we support multiple | 280 // characteristic_instance_id. Change to a set when we support multiple |
| 277 // frames. | 281 // frames. |
| 278 // http://crbug.com/541388 | 282 // http://crbug.com/541388 |
| 279 std::map<std::string, blink::WebBluetoothRemoteGATTCharacteristic*> | 283 std::map<std::string, blink::WebBluetoothRemoteGATTCharacteristic*> |
| 280 active_characteristics_; | 284 active_characteristics_; |
| 281 | 285 |
| 286 mojom::BluetoothServicePtr bluetooth_service_; |
| 287 |
| 288 ServiceRegistry* service_registry_; |
| 282 DISALLOW_COPY_AND_ASSIGN(BluetoothDispatcher); | 289 DISALLOW_COPY_AND_ASSIGN(BluetoothDispatcher); |
| 283 }; | 290 }; |
| 284 | 291 |
| 285 } // namespace content | 292 } // namespace content |
| 286 | 293 |
| 287 #endif // CONTENT_CHILD_BLUETOOTH_BLUETOOTH_DISPATCHER_H_ | 294 #endif // CONTENT_CHILD_BLUETOOTH_BLUETOOTH_DISPATCHER_H_ |
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