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- /*
- *
- * $Id: k3bthroughputestimator.h 619556 2007-01-03 17:38:12Z trueg $
- * Copyright (C) 2003 Sebastian Trueg <trueg@k3b.org>
- *
- * This file is part of the K3b project.
- * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * See the file "COPYING" for the exact licensing terms.
- */
-
- #ifndef _K3B_THROUGHPUT_ESTIMATOR_H_
- #define _K3B_THROUGHPUT_ESTIMATOR_H_
-
- #include <qobject.h>
-
-
- /**
- * Little helper class that allows an estimation of the current writing
- * speed. Just init with @p reset() then always call @p dataWritten with
- * the already written data in KB. The class will emit throughput signals
- * whenever the throughput changes.
- */
- class K3bThroughputEstimator : public QObject
- {
- Q_OBJECT
-
- public:
- K3bThroughputEstimator( QObject* parent = 0, const char* name = 0 );
- ~K3bThroughputEstimator();
-
- int average() const;
-
- signals:
- /**
- * kb/s if differs from previous
- */
- void throughput( int );
-
- public slots:
- void reset();
-
- /**
- * @param data written kb
- */
- void dataWritten( unsigned long data );
-
- private:
- class Private;
- Private* d;
- };
-
- #endif
-