bluetooth: Browser-side implementation of readValue

content/browser/bluetooth/bluetooth_dispatcher_host.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "content/common/bluetooth/bluetooth_error.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_gatt_connection.h"
+#include "device/bluetooth/bluetooth_gatt_service.h"
 
 namespace content {
 
 // Dispatches and sends bluetooth related messages sent to/from a child
 // process BluetoothDispatcher from/to the main browser process.
 //
 // Intended to be instantiated by the RenderProcessHost and installed as
 // a filter on the channel. BrowserMessageFilter is refcounted and typically
 // lives as long as it is installed on a channel.
 //
@@ skipping 30 matching lines @@
   void OnConnectGATT(int thread_id, int request_id,
                      const std::string& device_instance_id);
   void OnGetPrimaryService(int thread_id,
                            int request_id,
                            const std::string& device_instance_id,
                            const std::string& service_uuid);
   void OnGetCharacteristic(int thread_id,
                            int request_id,
                            const std::string& service_instance_id,
                            const std::string& characteristic_uuid);
+  void OnReadValue(int thread_id,
+                   int request_id,
+                   const std::string& characteristic_instance_id);
 
   // Callbacks for BluetoothAdapter::StartDiscoverySession.
   void OnDiscoverySessionStarted(
       int thread_id,
       int request_id,
       scoped_ptr<device::BluetoothDiscoverySession> discovery_session);
   void OnDiscoverySessionStartedError(int thread_id, int request_id);
 
   // Stop in progress discovery session.
   void StopDiscoverySession(
       int thread_id,
       int request_id,
       scoped_ptr<device::BluetoothDiscoverySession> discovery_session);
 
   // Callbacks for BluetoothDiscoverySession::Stop.
   void OnDiscoverySessionStopped(int thread_id, int request_id);
   void OnDiscoverySessionStoppedError(int thread_id, int request_id);
 
-  // Callbacks for BluetoothDevice::CreateGattConnection
+  // Callbacks for BluetoothDevice::CreateGattConnection.
   void OnGATTConnectionCreated(
       int thread_id,
       int request_id,
       const std::string& device_instance_id,
       scoped_ptr<device::BluetoothGattConnection> connection);
   void OnCreateGATTConnectionError(
       int thread_id,
       int request_id,
       const std::string& device_instance_id,
       device::BluetoothDevice::ConnectErrorCode error_code);
 
   // Callback for future BluetoothAdapter::ServicesDiscovered callback:
   // For now we just post a delayed task.
   // See: https://crbug.com/484504
   void OnServicesDiscovered(int thread_id,
                             int request_id,
                             const std::string& device_instance_id,
                             const std::string& service_uuid);
 
+  // Callbacks for BluetoothGattCharacteristic::ReadRemoteCharacteristic.
+  void OnCharacteristicValueRead(int thread_id,
+                                 int request_id,
+                                 const std::vector<uint8>& value);
+  void OnCharacteristicReadValueError(
+      int thread_id,
+      int request_id,
+      device::BluetoothGattService::GattErrorCode);
+
   // Maps to get the object's parent based on it's instanceID
   // Map of service_instance_id to device_instance_id.
   std::map<std::string, std::string> service_to_device_;
+  // Map of characteristic_instance_id to service_instance_id.
+  std::map<std::string, std::string> characteristic_to_service_;
 
   // Defines how long to scan for and how long to discover services for.
   int current_delay_time_;
 
   // A BluetoothAdapter instance representing an adapter of the system.
   scoped_refptr<device::BluetoothAdapter> adapter_;
 
   // Must be last member, see base/memory/weak_ptr.h documentation
   base::WeakPtrFactory<BluetoothDispatcherHost> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BLUETOOTH_BLUETOOTH_DISPATCHER_HOST_H_