diff -r 000000000000 -r 1918ee327afb src/corelib/animation/qvariantanimation.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/corelib/animation/qvariantanimation.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,130 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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);
+    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