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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QANIMATION_H
#define QANIMATION_H
#include <QtCore/qeasingcurve.h>
#include <QtCore/qabstractanimation.h>
#include <QtCore/qvector.h>
#include <QtCore/qvariant.h>
#include <QtCore/qpair.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
#ifndef QT_NO_ANIMATION
class QVariantAnimationPrivate;
class Q_CORE_EXPORT QVariantAnimation : public QAbstractAnimation
{
Q_OBJECT
Q_PROPERTY(QVariant startValue READ startValue WRITE setStartValue)
Q_PROPERTY(QVariant endValue READ endValue WRITE setEndValue)
Q_PROPERTY(QVariant currentValue READ currentValue NOTIFY valueChanged)
Q_PROPERTY(int duration READ duration WRITE setDuration)
Q_PROPERTY(QEasingCurve easingCurve READ easingCurve WRITE setEasingCurve)
public:
typedef QPair<qreal, QVariant> KeyValue;
typedef QVector<KeyValue> KeyValues;
QVariantAnimation(QObject *parent = 0);
~QVariantAnimation();
QVariant startValue() const;
void setStartValue(const QVariant &value);
QVariant endValue() const;
void setEndValue(const QVariant &value);
QVariant keyValueAt(qreal step) const;
void setKeyValueAt(qreal step, const QVariant &value);
KeyValues keyValues() const;
void setKeyValues(const KeyValues &values);
QVariant currentValue() const;
int duration() const;
void setDuration(int msecs);
QEasingCurve easingCurve() const;
void setEasingCurve(const QEasingCurve &easing);
typedef QVariant (*Interpolator)(const void *from, const void *to, qreal progress);
Q_SIGNALS:
void valueChanged(const QVariant &value);
protected:
QVariantAnimation(QVariantAnimationPrivate &dd, QObject *parent = 0);
bool event(QEvent *event);
void updateCurrentTime(int msecs);
void updateState(QAbstractAnimation::State oldState, QAbstractAnimation::State newState);
virtual void updateCurrentValue(const QVariant &value) = 0;
virtual QVariant interpolated(const QVariant &from, const QVariant &to, qreal progress) const;
private:
template <typename T> friend void qRegisterAnimationInterpolator(QVariant (*func)(const T &, const T &, qreal));
static void registerInterpolator(Interpolator func, int interpolationType);
Q_DISABLE_COPY(QVariantAnimation)
Q_DECLARE_PRIVATE(QVariantAnimation)
};
template <typename T>
void qRegisterAnimationInterpolator(QVariant (*func)(const T &from, const T &to, qreal progress)) {
QVariantAnimation::registerInterpolator(reinterpret_cast<QVariantAnimation::Interpolator>(func), qMetaTypeId<T>());
}
#endif //QT_NO_ANIMATION
QT_END_NAMESPACE
QT_END_HEADER
#endif //QANIMATION_H
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