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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd
** All rights reserved.
** For any questions to The Qt Company, please use contact form at http://www.qt.io/contact-us
**
** This file is part of the Qt Enterprise Qt Quick Timeline Add-on.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company.
**
** If you have questions regarding the use of this file, please use
** contact form at http://www.qt.io/contact-us
**
****************************************************************************/
#ifndef QQUICKKEYFRAME_P_H
#define QQUICKKEYFRAME_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 <QtCore/QObject>
#include <QtCore/qeasingcurve.h>
#include <QtQml/qqml.h>
QT_BEGIN_NAMESPACE
class QQuickKeyframeGroupPrivate;
class QQuickKeyframePrivate;
class QQuickNumberKeyframePrivate;
class QQuickKeyframe : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QQuickKeyframe)
Q_PROPERTY(qreal frame READ frame WRITE setFrame NOTIFY frameChanged)
Q_PROPERTY(QEasingCurve easing READ easing WRITE setEasing NOTIFY easingCurveChanged)
Q_PROPERTY(QVariant value READ value WRITE setValue NOTIFY valueChanged)
public:
explicit QQuickKeyframe(QObject *parent = nullptr);
qreal frame() const;
void setFrame(qreal);
void reset();
QEasingCurve easing() const;
void setEasing(const QEasingCurve &);
QVariant value() const;
void setValue(QVariant);
virtual QVariant evaluate(QQuickKeyframe *pre, qreal frame, int userType) const;
protected:
QQuickKeyframe(QQuickKeyframePrivate &dd, QObject *parent);
Q_SIGNALS:
void frameChanged();
void easingCurveChanged();
void valueChanged();
};
class QQuickKeyframeGroup : public QObject, public QQmlParserStatus
{
Q_OBJECT
Q_DECLARE_PRIVATE(QQuickKeyframeGroup)
Q_INTERFACES(QQmlParserStatus)
Q_PROPERTY(QObject *target READ target WRITE setTargetObject NOTIFY targetChanged)
Q_PROPERTY(QString property READ property WRITE setProperty NOTIFY propertyChanged)
Q_PROPERTY(QQmlListProperty<QQuickKeyframe> keyframes READ keyframes)
Q_CLASSINFO("DefaultProperty", "keyframes")
public:
explicit QQuickKeyframeGroup(QObject *parent = nullptr);
QQmlListProperty<QQuickKeyframe> keyframes();
QObject *target() const;
void setTargetObject(QObject *);
QString property() const;
void setProperty(const QString &);
QVariant evaluate(qreal frame) const;
void setProperty(qreal frame);
void init();
void resetDefaultValue();
void reset();
protected:
void setupKeyframes();
void classBegin() override;
void componentComplete() override;
Q_SIGNALS:
void targetChanged();
void propertyChanged();
};
QT_END_NAMESPACE
#endif // QQUICKKEYFRAME_P_H
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