Implement BluetoothRemoteGattServiceWin and related unit tests

device/bluetooth/bluetooth_task_manager_win.h

 // Copyright (c) 2012 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 DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/observer_list.h"
 #include "base/win/scoped_handle.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_export.h"
+#include "device/bluetooth/bluetooth_low_energy_win.h"
 
 namespace base {
 
 class SequencedTaskRunner;
 class SequencedWorkerPool;
 
 }  // namespace base
 
 namespace device {
 
@@ skipping 65 matching lines @@
      // to an active discovery session. Note that for a given device (address),
      // the associated state can change over time. For example, during a
      // discovery session, the "friendly" name may initially be "unknown" before
      // the actual name is retrieved in subsequent poll events.
      virtual void DevicesPolled(const ScopedVector<DeviceState>& devices) {}
   };
 
   explicit BluetoothTaskManagerWin(
       scoped_refptr<base::SequencedTaskRunner> ui_task_runner);
 
+  static BluetoothUUID BluetoothLowEnergyUuidToBluetoothUuid(
+      const BTH_LE_UUID& bth_le_uuid);
+
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
   void Initialize();
   void InitializeWithBluetoothTaskRunner(
       scoped_refptr<base::SequencedTaskRunner> bluetooth_task_runner);
   void Shutdown();
 
   void PostSetPoweredBluetoothTask(
       bool powered,
       const base::Closure& callback,
       const BluetoothAdapter::ErrorCallback& error_callback);
   void PostStartDiscoveryTask();
   void PostStopDiscoveryTask();
 
+  // Callbacks of asynchronous operations of GATT service.
+  typedef base::Callback<
+      void(scoped_ptr<BTH_LE_GATT_CHARACTERISTIC>, uint16_t, HRESULT)>
+      GetGattIncludedCharacteristicsCallback;
+
+  // Get all included characteristics of a given service. The service is
+  // uniquely identified by its |uuid| and |attribute_handle| with service
+  // device |service_path|. The result is returned asynchronously through
+  // |callback|.
+  void PostGetGattIncludedCharacteristics(
+      const base::FilePath& service_path,
+      const BluetoothUUID& uuid,
+      uint16_t attribute_handle,
+      const GetGattIncludedCharacteristicsCallback& callback);
+
  private:
   friend class base::RefCountedThreadSafe<BluetoothTaskManagerWin>;
   friend class BluetoothTaskManagerWinTest;
 
   static const int kPollIntervalMs;
 
   virtual ~BluetoothTaskManagerWin();
 
   // Logs Win32 errors occurring during polling on the worker thread. The method
   // may discard messages to avoid logging being too verbose.
@@ skipping 70 matching lines @@
   bool DiscoverLowEnergyDeviceServices(
       const base::FilePath& device_path,
       ScopedVector<ServiceRecordState>* service_record_states);
 
   // Search for device paths of the GATT services in |*service_record_states|
   // from |device_address|.
   bool SearchForGattServiceDevicePaths(
       const std::string device_address,
       ScopedVector<ServiceRecordState>* service_record_states);
 
+  // GATT service related functions.
+  void GetGattIncludedCharacteristics(
+      base::FilePath device_path,
+      BluetoothUUID uuid,
+      uint16_t attribute_handle,
+      const GetGattIncludedCharacteristicsCallback& callback);
+
   // UI task runner reference.
   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
 
   scoped_refptr<base::SequencedWorkerPool> worker_pool_;
   scoped_refptr<base::SequencedTaskRunner> bluetooth_task_runner_;
 
   // List of observers interested in event notifications.
   base::ObserverList<Observer> observers_;
 
   // Weak reference of the adapter handle, let BluetoothClassicWrapper handle
   // the close of |adapter_handle_|.
   HANDLE adapter_handle_;
 
   // indicates whether the adapter is in discovery mode or not.
   bool discovering_;
 
   // Use for discarding too many log messages.
   base::TimeTicks current_logging_batch_ticks_;
   int current_logging_batch_count_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothTaskManagerWin);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_TASK_MANAGER_WIN_H_