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** This file is part of the QtDeclarative module of the Qt Toolkit.

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****************************************************************************/

#ifndef QDECLARATIVESMOOTHEDFOLLOW_H

#define QDECLARATIVESMOOTHEDFOLLOW_H

#include <qdeclarative.h>

#include <qdeclarativepropertyvaluesource.h>

#include <QtCore/qobject.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QDeclarativeProperty;

class QDeclarativeSmoothedFollowPrivate;

class Q_DECLARATIVE_EXPORT QDeclarativeSmoothedFollow : public QObject,

                                                        public QDeclarativePropertyValueSource

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QDeclarativeSmoothedFollow)

    Q_INTERFACES(QDeclarativePropertyValueSource)

    Q_ENUMS(ReversingMode)

    Q_PROPERTY(qreal to READ to WRITE setTo NOTIFY toChanged)

    Q_PROPERTY(qreal velocity READ velocity WRITE setVelocity NOTIFY velocityChanged)

    Q_PROPERTY(int duration READ duration WRITE setDuration NOTIFY durationChanged)

    Q_PROPERTY(ReversingMode reversingMode READ reversingMode WRITE setReversingMode NOTIFY reversingModeChanged)

    Q_PROPERTY(qreal maximumEasingTime READ maximumEasingTime WRITE setMaximumEasingTime NOTIFY maximumEasingTimeChanged)

    Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)

public:

    enum ReversingMode { Eased, Immediate, Sync };

    QDeclarativeSmoothedFollow(QObject *parent = 0);

    ~QDeclarativeSmoothedFollow();

    qreal to() const;

    void setTo(qreal);

    ReversingMode reversingMode() const;

    void setReversingMode(ReversingMode);

    int duration() const;

    void setDuration(int);

    qreal velocity() const;

    void setVelocity(qreal);

    int maximumEasingTime() const;

    void setMaximumEasingTime(int);

    bool enabled() const;

    void setEnabled(bool);

    virtual void setTarget(const QDeclarativeProperty &);

Q_SIGNALS:

    void velocityChanged();

    void durationChanged();

    void reversingModeChanged();

    void maximumEasingTimeChanged();

    void enabledChanged();

};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QDeclarativeSmoothedFollow)

QT_END_HEADER

#endif // QDECLARATIVESMOOTHEDFOLLOW_H