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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 <tqobject.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 TQObject
{
Q_OBJECT
public:
K3bThroughputEstimator( TQObject* 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
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