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// 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_FACTORY_H_
#define DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_FACTORY_H_
#include <string>
#include "base/callback.h"
#include "base/memory/ref_counted.h"
#include "device/bluetooth/bluetooth_adapter.h"
namespace device {
// BluetoothAdapterFactory is a class that contains static methods, which
// instantiate either a specific Bluetooth adapter, or the generic "default
// adapter" which may change depending on availability.
class BluetoothAdapterFactory {
public:
typedef base::Callback<void(scoped_refptr<BluetoothAdapter> adapter)>
AdapterCallback;
// Returns true if the Bluetooth adapter is available for the current
// platform.
static bool IsBluetoothAdapterAvailable();
// Returns the shared instance of the default adapter, creating and
// initializing it if necessary. |callback| is called with the adapter
// instance passed only once the adapter is fully initialized and ready to
// use.
static void GetAdapter(const AdapterCallback& callback);
// Returns the shared instance of the adapter that has already been created,
// but may or may not have been initialized.
// It returns NULL if no adapter has been created at the time.
static scoped_refptr<BluetoothAdapter> MaybeGetAdapter();
};
} // namespace device
#endif // DEVICE_BLUETOOTH_BLUETOOTH_ADAPTER_FACTORY_H_
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