qgraphtransition_p.h

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// Copyright (C) 2024 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

// Qt-Security score:significant reason:default

//  W A R N I N G

//  -------------

//

// This file is not part of the QtGraphs 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.

#ifndef QGRAPHTRANSITION_H

#define QGRAPHTRANSITION_H

#include <QObject>

#include <QParallelAnimationGroup>

#include <QQmlEngine>

#include <private/qgraphanimation_p.h>

QT_BEGIN_NAMESPACE

class QGraphTransition : public QObject, public QQmlParserStatus

    Q_OBJECT

    Q_INTERFACES(QQmlParserStatus)

    Q_PROPERTY(QQmlListProperty<QObject> animations READ animations CONSTANT)

    Q_CLASSINFO("DefaultProperty", "animations")

    QML_NAMED_ELEMENT(GraphTransition)

public:

    enum class TransitionType {

        None,

        PointAdded,

        PointReplaced,

        PointRemoved,

};

    Q_ENUM(TransitionType);

    QGraphTransition(QObject *parent = nullptr);

    ~QGraphTransition() override;

    QQmlListProperty<QObject> animations();

    void onPointChanged(TransitionType type, int index, QPointF point);

    void initialize();

    void stop();

    bool initialized();

    bool contains(QGraphAnimation::GraphAnimationType type);

protected:

    void classBegin() override;

    void componentComplete() override;

private:

    QList<QGraphAnimation *> m_animations;

    QParallelAnimationGroup m_animationGroup;

    bool m_initialized;

    static void append(QQmlListProperty<QObject> *, QObject *);

    static void clear(QQmlListProperty<QObject> *);

};

QT_END_NAMESPACE

#endif // QGRAPHTRANSITION_H