qquicksmoothedanimation_p_p.h

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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

// Qt-Security score:significant reason:default

#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 <QTimer>

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