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 "base/callback.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "device/bluetooth/bluetooth_adapter.h"
  11 #include "device/bluetooth/bluetooth_export.h"
  12
  13 namespace device {
  14
  15 // A factory class for building a Bluetooth adapter on platforms where Bluetooth
  16 // is available.
  17 class DEVICE_BLUETOOTH_EXPORT BluetoothAdapterFactory {
  18  public:
  19   typedef base::Callback<void(scoped_refptr<BluetoothAdapter> adapter)>
  20       AdapterCallback;
  21
  22   // Returns true if the Bluetooth adapter is available for the current
  23   // platform.
  24   static bool IsBluetoothAdapterAvailable();
  25
  26   // Returns the shared instance of the default adapter, creating and
  27   // initializing it if necessary. |callback| is called with the adapter
  28   // instance passed only once the adapter is fully initialized and ready to
  29   // use.
  30   static void GetAdapter(const AdapterCallback& callback);
  31
  32 #if defined(OS_CHROMEOS)
  33   // Calls |BluetoothAdapter::Shutdown| on the adapter if
  34   // present.
  35   static void Shutdown();
  36 #endif
  37
  38   // Sets the shared instance of the default adapter for testing purposes only,
  39   // no reference is retained after completion of the call, removing the last
  40   // reference will reset the factory.
  41   static void SetAdapterForTesting(scoped_refptr<BluetoothAdapter> adapter);
  42
  43   // Returns true iff the implementation has a (non-NULL) shared instance of the
  44   // adapter. Exposed for testing.
  45   static bool HasSharedInstanceForTesting();
  46 };
  47
  48 }  // namespace device
  49
  50 #endif  // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_FACTORY_H_