device/bluetooth/bluetooth_adapter_factory.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_FACTORY_H_
   6 #define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_FACTORY_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/ref_counted.h"
  11
  12 namespace device {
  13
  14 class BluetoothAdapter;
  15
  16 // BluetoothAdapterFactory is a class that contains static methods, which
  17 // instantiate either a specific bluetooth adapter, or the generic "default
  18 // adapter" which may change depending on availability.
  19 class BluetoothAdapterFactory {
  20  public:
  21   // Returns the shared instance for the default adapter, whichever that may
  22   // be at the time. Check the returned scoped_refptr does not point to NULL and
  23   // use IsPresent() and the AdapterPresentChanged() observer method to
  24   // determine whether an adapter is actually available or not.
  25   static scoped_refptr<BluetoothAdapter> DefaultAdapter();
  26
  27   // Creates an instance for a specific adapter at address |address|.
  28   static BluetoothAdapter* Create(const std::string& address);
  29 };
  30
  31 }  // namespace device
  32
  33 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_FACTORY_H_