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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 QSEQUENTIALANIMATIONGROUP_P_H
#define QSEQUENTIALANIMATIONGROUP_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 "qsequentialanimationgroup.h"
#include "private/qanimationgroup_p.h"
#include "private/qproperty_p.h"
QT_REQUIRE_CONFIG(animation);
QT_BEGIN_NAMESPACE
class QSequentialAnimationGroupPrivate : public QAnimationGroupPrivate
{
Q_DECLARE_PUBLIC(QSequentialAnimationGroup)
public:
QSequentialAnimationGroupPrivate() : currentAnimationIndex(-1), lastLoop(0) { }
struct AnimationIndex
{
AnimationIndex() : index(0), timeOffset(0) {}
// index points to the animation at timeOffset, skipping 0 duration animations.
// Note that the index semantic is slightly different depending on the direction.
int index; // the index of the animation in timeOffset
int timeOffset; // time offset when the animation at index starts.
};
int animationActualTotalDuration(int index) const;
AnimationIndex indexForCurrentTime() const;
void setCurrentAnimation(int index, bool intermediate = false);
void activateCurrentAnimation(bool intermediate = false);
void animationInsertedAt(qsizetype index) override;
void animationRemoved(qsizetype index, QAbstractAnimation *anim) override;
bool atEnd() const;
Q_OBJECT_BINDABLE_PROPERTY_WITH_ARGS(QSequentialAnimationGroupPrivate, QAbstractAnimation *,
currentAnimation,
nullptr // initial value
)
int currentAnimationIndex;
// this is the actual duration of uncontrolled animations
// it helps seeking and even going forward
QList<int> actualDuration;
void restart();
int lastLoop;
// handle time changes
void rewindForwards(const AnimationIndex &newAnimationIndex);
void advanceForwards(const AnimationIndex &newAnimationIndex);
// private slot
void _q_uncontrolledAnimationFinished();
};
QT_END_NAMESPACE
#endif //QSEQUENTIALANIMATIONGROUP_P_H
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