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/*
* Copyright (C) 2015 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License, as
* published by the Free Software Foundation; either version 2.1 or 3.0
* of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the applicable version of the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of both the GNU Lesser General Public
* License along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef LOMIRIUTIL_ELAPSEDTIMER_H
#define LOMIRIUTIL_ELAPSEDTIMER_H
#include <QElapsedTimer>
namespace LomiriUtil {
/**
Interface for ElapsedTimer implementations
*/
class AbstractElapsedTimer {
public:
virtual ~AbstractElapsedTimer() {}
virtual void start() = 0;
virtual qint64 msecsSinceReference() const = 0;
virtual qint64 elapsed() const = 0;
};
/**
A QElapsedTimer wrapper
*/
class ElapsedTimer : public AbstractElapsedTimer {
public:
void start() override { m_timer.start(); }
qint64 msecsSinceReference() const override { return m_timer.msecsSinceReference(); }
qint64 elapsed() const override { return m_timer.isValid() ? m_timer.elapsed() : 0; }
private:
QElapsedTimer m_timer;
};
} // namespace LomiriUtil
#endif // LOMIRIUTIL_ELAPSEDTIMER_H
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