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// Copyright 2015 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 COMPONENTS_PROXIMITY_AUTH_THROTTLED_BLUETOOTH_CONNECTION_FINDER_H
#define COMPONENTS_PROXIMITY_AUTH_THROTTLED_BLUETOOTH_CONNECTION_FINDER_H
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "components/proximity_auth/connection_finder.h"
namespace base {
class TaskRunner;
}
namespace proximity_auth {
class BluetoothConnectionFinder;
class BluetoothThrottler;
class Connection;
// A Bluetooth connection finder that delays Find() requests according to the
// throttler's cooldown period.
class ThrottledBluetoothConnectionFinder : public ConnectionFinder {
public:
// Note: The |throttler| is not owned, and must outlive |this| instance.
ThrottledBluetoothConnectionFinder(
scoped_ptr<BluetoothConnectionFinder> connection_finder,
scoped_refptr<base::TaskRunner> task_runner,
BluetoothThrottler* throttler);
~ThrottledBluetoothConnectionFinder() override;
// ConnectionFinder:
void Find(const ConnectionCallback& connection_callback) override;
private:
// Callback to be called when a connection is found.
void OnConnection(const ConnectionCallback& connection_callback,
scoped_ptr<Connection> connection);
// The underlying connection finder.
scoped_ptr<BluetoothConnectionFinder> connection_finder_;
// The task runner used for posting delayed messages.
scoped_refptr<base::TaskRunner> task_runner_;
// The throttler managing this connection finder. The throttler is not owned,
// and must outlive |this| instance.
BluetoothThrottler* throttler_;
base::WeakPtrFactory<ThrottledBluetoothConnectionFinder> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(ThrottledBluetoothConnectionFinder);
};
} // namespace proximity_auth
#endif // COMPONENTS_PROXIMITY_AUTH_THROTTLED_BLUETOOTH_CONNECTION_FINDER_H
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