Implemented BluetoothTaskManagerWin class.

device/bluetooth/bluetooth_adapter_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_ADAPTER_WIN_H_
 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_WIN_H_
 
 #include <string>
 
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 
 namespace device {
 
 class BluetoothAdapterFactory;
 class BluetoothAdapterWinTest;
 class BluetoothDevice;
+class BluetoothManagerWin;
 
 class BluetoothAdapterWin : public BluetoothAdapter {
  public:
   // BluetoothAdapter override
   virtual void AddObserver(BluetoothAdapter::Observer* observer) OVERRIDE;
   virtual void RemoveObserver(BluetoothAdapter::Observer* observer) OVERRIDE;
   virtual bool IsPresent() const OVERRIDE;
   virtual bool IsPowered() const OVERRIDE;
   virtual void SetPowered(
       bool powered,
       const base::Closure& callback,
       const ErrorCallback& error_callback) OVERRIDE;
   virtual bool IsDiscovering() const OVERRIDE;
   virtual void SetDiscovering(
       bool discovering,
       const base::Closure& callback,
       const ErrorCallback& error_callback) OVERRIDE;
   virtual ConstDeviceList GetDevices() const OVERRIDE;
   virtual BluetoothDevice* GetDevice(const std::string& address) OVERRIDE;
   virtual const BluetoothDevice* GetDevice(
       const std::string& address) const OVERRIDE;
   virtual void ReadLocalOutOfBandPairingData(
       const BluetoothOutOfBandPairingDataCallback& callback,
       const ErrorCallback& error_callback) OVERRIDE;
 
+  // Called by BluetoothManagerWin thread to return the adapter_handle.
+  void OnAdapterHandleAvailable(HANDLE adapter_handle);
+
+  void SetBluetoothManagerForTest(BluetoothManagerWin* manager);
+
  protected:
   BluetoothAdapterWin();
   virtual ~BluetoothAdapterWin();
 
-  virtual void UpdateAdapterState();
+  virtual void UpdateAdapterState(HANDLE adapter_handle);
 
  private:
   friend class BluetoothAdapterFactory;
   friend class BluetoothAdapterWinTest;
 
-  // Obtains the default adapter info (the first bluetooth radio info found on
-  // the system) and tracks future changes to it.
+  // Starts BluetoothManagerWin thread to obtain the default adapter info.
   void TrackDefaultAdapter();
 
-  void PollAdapterState();
-
   static const int kPollIntervalMs;
 
   bool powered_;
 
+  // Holding scoped_ptr guarantees that BluetoothAdapterWin will always outlive
+  // BluetoothManagerWin thread.
+  scoped_ptr<BluetoothManagerWin> manager_;
+
+  HANDLE adapter_handle_;
+
   // NOTE: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<BluetoothAdapterWin> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothAdapterWin);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_WIN_H_