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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "animationdriver.h"
#include "private/qabstractanimation_p.h"
AnimationDriver::AnimationDriver(QObject *parent)
: QAnimationDriver(parent)
{
setProperty("allowNegativeDelta", true);
install();
}
AnimationDriver::~AnimationDriver()
{
}
void AnimationDriver::timerEvent([[maybe_unused]] QTimerEvent *e)
{
Q_ASSERT(e->timerId() == m_timer.timerId());
quint32 old = elapsed();
// Provide same time for all users
if (m_seekerEnabled) {
m_seekerElapsed += (m_seekerPos * 100) / 30;
if (m_seekerElapsed + m_elapsed - m_pauseTime < -100) // -100 to allow small negative value
m_seekerElapsed = -(m_elapsed - m_pauseTime) - 100;
} else {
if (!m_elapsedTimer.isValid())
m_elapsedTimer.restart();
else
m_elapsed = m_elapsedTimer.elapsed();
}
m_delta = elapsed() - old;
advance();
Q_EMIT advanced();
}
void AnimationDriver::startTimer()
{
m_timer.start(m_interval, Qt::PreciseTimer, this);
}
void AnimationDriver::stopTimer()
{
m_timer.stop();
}
void AnimationDriver::setSeekerPosition(int position)
{
if (!m_seekerEnabled)
return;
if (!m_timer.isActive())
startTimer();
m_seekerPos = position;
}
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