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/*
* Copyright (C) 2011-2024 Apple Inc. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
* Copyright (C) 2017 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "Clock.h"
#include <wtf/MonotonicTime.h>
namespace PAL {
class ClockGeneric final : public Clock {
WTF_MAKE_TZONE_ALLOCATED(ClockGeneric);
public:
ClockGeneric();
private:
void setCurrentTime(double) override;
double currentTime() const override;
void setPlayRate(double) override;
double playRate() const override { return m_rate; }
void start() override;
void stop() override;
bool isRunning() const override { return m_running; }
MonotonicTime now() const;
double currentDelta() const;
bool m_running;
double m_rate;
double m_offset;
MonotonicTime m_startTime;
mutable MonotonicTime m_lastTime;
};
}
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