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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative 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 QDECLARATIVETIMELINE_H
+#define QDECLARATIVETIMELINE_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/QAbstractAnimation>
+
+QT_BEGIN_NAMESPACE
+
+class QEasingCurve;
+class QDeclarativeTimeLineValue;
+class QDeclarativeTimeLineCallback;
+struct QDeclarativeTimeLinePrivate;
+class QDeclarativeTimeLineObject;
+class QDeclarativeTimeLine : public QAbstractAnimation
+{
+Q_OBJECT
+public:
+    QDeclarativeTimeLine(QObject *parent = 0);
+    ~QDeclarativeTimeLine();
+
+    enum SyncMode { LocalSync, GlobalSync };
+    SyncMode syncMode() const;
+    void setSyncMode(SyncMode);
+
+    void pause(QDeclarativeTimeLineObject &, int);
+    void callback(const QDeclarativeTimeLineCallback &);
+    void set(QDeclarativeTimeLineValue &, qreal);
+
+    int accel(QDeclarativeTimeLineValue &, qreal velocity, qreal accel);
+    int accel(QDeclarativeTimeLineValue &, qreal velocity, qreal accel, qreal maxDistance);
+    int accelDistance(QDeclarativeTimeLineValue &, qreal velocity, qreal distance);
+
+    void move(QDeclarativeTimeLineValue &, qreal destination, int time = 500);
+    void move(QDeclarativeTimeLineValue &, qreal destination, const QEasingCurve &, int time = 500);
+    void moveBy(QDeclarativeTimeLineValue &, qreal change, int time = 500);
+    void moveBy(QDeclarativeTimeLineValue &, qreal change, const QEasingCurve &, int time = 500);
+
+    void sync();
+    void setSyncPoint(int);
+    int syncPoint() const;
+
+    void sync(QDeclarativeTimeLineValue &);
+    void sync(QDeclarativeTimeLineValue &, QDeclarativeTimeLineValue &);
+
+    void reset(QDeclarativeTimeLineValue &);
+
+    void complete();
+    void clear();
+    bool isActive() const;
+
+    int time() const;
+
+    virtual int duration() const;
+Q_SIGNALS:
+    void updated();
+    void completed();
+
+protected:
+    virtual void updateCurrentTime(int);
+
+private:
+    void remove(QDeclarativeTimeLineObject *);
+    friend class QDeclarativeTimeLineObject;
+    friend struct QDeclarativeTimeLinePrivate;
+    QDeclarativeTimeLinePrivate *d;
+};
+
+class QDeclarativeTimeLineObject
+{
+public:
+    QDeclarativeTimeLineObject();
+    virtual ~QDeclarativeTimeLineObject();
+
+protected:
+    friend class QDeclarativeTimeLine;
+    friend struct QDeclarativeTimeLinePrivate;
+    QDeclarativeTimeLine *_t;
+};
+
+class QDeclarativeTimeLineValue : public QDeclarativeTimeLineObject
+{
+public:
+    QDeclarativeTimeLineValue(qreal v = 0.) : _v(v) {}
+
+    virtual qreal value() const { return _v; }
+    virtual void setValue(qreal v) { _v = v; }
+
+    QDeclarativeTimeLine *timeLine() const { return _t; }
+
+    operator qreal() const { return _v; }
+    QDeclarativeTimeLineValue &operator=(qreal v) { setValue(v); return *this; }
+private:
+    friend class QDeclarativeTimeLine;
+    friend struct QDeclarativeTimeLinePrivate;
+    qreal _v;
+};
+
+class QDeclarativeTimeLineCallback
+{
+public:
+    typedef void (*Callback)(void *);
+
+    QDeclarativeTimeLineCallback();
+    QDeclarativeTimeLineCallback(QDeclarativeTimeLineObject *b, Callback, void * = 0);
+    QDeclarativeTimeLineCallback(const QDeclarativeTimeLineCallback &o);
+
+    QDeclarativeTimeLineCallback &operator=(const QDeclarativeTimeLineCallback &o);
+    QDeclarativeTimeLineObject *callbackObject() const;
+
+private:
+    friend class QDeclarativeTimeLinePrivate; 
+    Callback d0;
+    void *d1;
+    QDeclarativeTimeLineObject *d2;
+};
+
+template<class T>
+class QDeclarativeTimeLineValueProxy : public QDeclarativeTimeLineValue
+{
+public:
+    QDeclarativeTimeLineValueProxy(T *cls, void (T::*func)(qreal), qreal v = 0.)
+    : QDeclarativeTimeLineValue(v), _class(cls), _setFunctionReal(func), _setFunctionInt(0)
+    {
+        Q_ASSERT(_class);
+    }
+
+    QDeclarativeTimeLineValueProxy(T *cls, void (T::*func)(int), qreal v = 0.)
+    : QDeclarativeTimeLineValue(v), _class(cls), _setFunctionReal(0), _setFunctionInt(func)
+    {
+        Q_ASSERT(_class);
+    }
+
+    virtual void setValue(qreal v)
+    {
+        QDeclarativeTimeLineValue::setValue(v);
+        if (_setFunctionReal) (_class->*_setFunctionReal)(v);
+        else if (_setFunctionInt) (_class->*_setFunctionInt)((int)v);
+    }
+
+private:
+    T *_class;
+    void (T::*_setFunctionReal)(qreal);
+    void (T::*_setFunctionInt)(int);
+};
+
+QT_END_NAMESPACE
+
+#endif