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