/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef KILLAFFECTOR_H
#define KILLAFFECTOR_H
#include "qquickparticleaffector_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

class QQuickAgeAffector : public QQuickParticleAffector
{
    Q_OBJECT
    Q_PROPERTY(int lifeLeft READ lifeLeft WRITE setLifeLeft NOTIFY lifeLeftChanged)
    Q_PROPERTY(bool advancePosition READ advancePosition WRITE setAdvancePosition NOTIFY advancePositionChanged)

public:
    explicit QQuickAgeAffector(QQuickItem *parent = 0);

    int lifeLeft() const
    {
        return m_lifeLeft;
    }

    bool advancePosition() const
    {
        return m_advancePosition;
    }

protected:
    virtual bool affectParticle(QQuickParticleData *d, qreal dt);
signals:
    void lifeLeftChanged(int arg);
    void advancePositionChanged(bool arg);

public slots:
    void setLifeLeft(int arg)
    {
        if (m_lifeLeft != arg) {
            m_lifeLeft = arg;
            emit lifeLeftChanged(arg);
        }
    }

    void setAdvancePosition(bool arg)
    {
        if (m_advancePosition != arg) {
            m_advancePosition = arg;
            emit advancePositionChanged(arg);
        }
    }

private:
    int m_lifeLeft;
    bool m_advancePosition;
};

QT_END_NAMESPACE
QT_END_HEADER
#endif // KILLAFFECTOR_H