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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-02-03 02:15:56 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2010-02-03 02:15:56 +0000
commit50b48aec6ddd451a6d1709c0942477b503457663 (patch)
treea9ece53ec06fd0a2819de7a2a6de997193566626 /libk3b/tools/k3bthroughputestimator.h
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Added abandoned KDE3 version of K3B
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/k3b@1084400 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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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