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

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbCore module of the UI Extensions for Mobile.

**

** 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.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

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

#ifndef HB_EFFECT_OPACITY_P_H

#define HB_EFFECT_OPACITY_P_H

#include "hbeffectabstract_p.h"

#include "hbeffectfxmldata_p.h"

#include "hbeffectanimation_p.h"

#include <QtGlobal>

QT_BEGIN_NAMESPACE

class QtAnimation;

class QTransform;

QT_END_NAMESPACE

class HbEffectAnimationData;

class HB_AUTOTEST_EXPORT HbEffectOpacityAnimation : public HbEffectAnimation

{

public:

    HbEffectOpacityAnimation(HbEffectGroup *group, int duration);

private:

    void handleAnimationUpdate(const QVariant &value);

    void handleAnimationFinish();

};

class HB_AUTOTEST_EXPORT HbEffectOpacity : public HbEffectAbstract

{

public:

    HbEffectOpacity(

        const QList<HbEffectFxmlParamData> &data,

        QGraphicsItem *item,

        HbEffectGroup *group);

    virtual ~HbEffectOpacity();

    QString name() const;

    void init();

    void setStartState(QTransform &transform);

    void start();

    void cancel(QTransform &transform, bool itemIsValid);

    void updateItemTransform(QTransform &transform);

    void pause();

    void resume();

private:

    HbEffectOpacityAnimation *mAnimation;

    qreal mStartOpacity;

    qreal mEndOpacity;

};

#endif // HB_EFFECT_OPACITY_P_H