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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QSEQUENTIALANIMATIONGROUPJOB_P_H
#define QSEQUENTIALANIMATIONGROUPJOB_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 <private/qanimationgroupjob_p.h>
QT_REQUIRE_CONFIG(qml_animation);
QT_BEGIN_NAMESPACE
class QPauseAnimationJob;
class Q_QML_PRIVATE_EXPORT QSequentialAnimationGroupJob : public QAnimationGroupJob
{
Q_DISABLE_COPY(QSequentialAnimationGroupJob)
public:
QSequentialAnimationGroupJob();
~QSequentialAnimationGroupJob();
int duration() const override;
QAbstractAnimationJob *currentAnimation() const { return m_currentAnimation; }
void clear() override;
protected:
void updateCurrentTime(int) override;
void updateState(QAbstractAnimationJob::State newState, QAbstractAnimationJob::State oldState) override;
void updateDirection(QAbstractAnimationJob::Direction direction) override;
void uncontrolledAnimationFinished(QAbstractAnimationJob *animation) override;
void debugAnimation(QDebug d) const override;
private:
struct AnimationIndex
{
AnimationIndex() {}
// AnimationIndex points to the animation at timeOffset, skipping 0 duration animations.
// Note that the index semantic is slightly different depending on the direction.
bool afterCurrent = false; //whether animation is before or after m_currentAnimation //TODO: make enum Before/After/Same
int timeOffset = 0; // time offset when the animation at index starts.
QAbstractAnimationJob *animation = nullptr; //points to the animation at timeOffset
};
int animationActualTotalDuration(QAbstractAnimationJob *anim) const;
AnimationIndex indexForCurrentTime() const;
void setCurrentAnimation(QAbstractAnimationJob *anim, bool intermediate = false);
void activateCurrentAnimation(bool intermediate = false);
void animationInserted(QAbstractAnimationJob *anim) override;
void animationRemoved(QAbstractAnimationJob *anim, QAbstractAnimationJob *, QAbstractAnimationJob *) override;
bool atEnd() const;
void restart();
// handle time changes
void rewindForwards(const AnimationIndex &newAnimationIndex);
void advanceForwards(const AnimationIndex &newAnimationIndex);
//state
QAbstractAnimationJob *m_currentAnimation = nullptr;
int m_previousLoop = 0;
};
QT_END_NAMESPACE
#endif //QSEQUENTIALANIMATIONGROUPJOB_P_H
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