File indexing completed on 2024-04-28 04:49:53

 /*
     SPDX-FileCopyrightText: 1998-2009 Sebastian Trueg <trueg@k3b.org>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #ifndef _K3B_THROUGHPUT_ESTIMATOR_H_
 #define _K3B_THROUGHPUT_ESTIMATOR_H_
 
 #include <QObject>
 
 
 namespace K3b {
     /**
      * 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 ThroughputEstimator : public QObject
     {
         Q_OBJECT
 
     public:
         explicit ThroughputEstimator( QObject* parent = 0 );
         ~ThroughputEstimator() override;
 
         int average() const;
 
     Q_SIGNALS:
         /**
          * kb/s if differs from previous
          */
         void throughput( int );
 
     public Q_SLOTS:
         void reset();
 
         /**
          * @param data written kb
          */
         void dataWritten( unsigned long data );
 
     private:
         class Private;
         Private* d;
     };
 }
 
 #endif