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