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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKSMOOTHEDANIMATION2_P_H
#define QQUICKSMOOTHEDANIMATION2_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "qquicksmoothedanimation_p.h"
#include "qquickanimation_p.h"
#include "qquickanimation_p_p.h"
#include <private/qobject_p.h>
#include <QBasicTimer>
QT_BEGIN_NAMESPACE
class QSmoothedAnimation;
class QSmoothedAnimationTimer : public QTimer
{
Q_OBJECT
public:
explicit QSmoothedAnimationTimer(QSmoothedAnimation *animation, QObject *parent = nullptr);
~QSmoothedAnimationTimer();
public Q_SLOTS:
void stopAnimation();
private:
QSmoothedAnimation *m_animation;
};
class QQuickSmoothedAnimationPrivate;
class Q_AUTOTEST_EXPORT QSmoothedAnimation : public QAbstractAnimationJob
{
Q_DISABLE_COPY(QSmoothedAnimation)
public:
QSmoothedAnimation(QQuickSmoothedAnimationPrivate * = nullptr);
~QSmoothedAnimation();
qreal to;
qreal velocity;
int userDuration;
int maximumEasingTime;
QQuickSmoothedAnimation::ReversingMode reversingMode;
qreal initialVelocity;
qreal trackVelocity;
QQmlProperty target;
int duration() const override;
void restart();
void init();
void prepareForRestart();
void clearTemplate() { animationTemplate = nullptr; }
protected:
void updateCurrentTime(int) override;
void updateState(QAbstractAnimationJob::State, QAbstractAnimationJob::State) override;
void debugAnimation(QDebug d) const override;
private:
qreal easeFollow(qreal);
qreal initialValue;
bool invert;
int finalDuration;
// Parameters for use in updateCurrentTime()
qreal a; // Acceleration
qreal d; // Deceleration
qreal tf; // Total time
qreal tp; // Time at which peak velocity occurs
qreal td; // Time at which deceleration begins
qreal vp; // Velocity at tp
qreal sp; // Displacement at tp
qreal sd; // Displacement at td
qreal vi; // "Normalized" initialvelocity
qreal s; // Total s
int lastTime;
bool skipUpdate;
bool recalc();
void delayedStop();
QSmoothedAnimationTimer *delayedStopTimer;
QQuickSmoothedAnimationPrivate *animationTemplate;
};
class QQuickSmoothedAnimationPrivate : public QQuickPropertyAnimationPrivate
{
Q_DECLARE_PUBLIC(QQuickSmoothedAnimation)
public:
QQuickSmoothedAnimationPrivate();
~QQuickSmoothedAnimationPrivate();
void updateRunningAnimations();
QSmoothedAnimation *anim;
QHash<QQmlProperty, QSmoothedAnimation*> activeAnimations;
};
QT_END_NAMESPACE
#endif // QQUICKSMOOTHEDANIMATION2_P_H
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