/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef HSSNAPLINE_H

#define HSSNAPLINE_H

#include <QGraphicsLineItem>

#include <QPen>

#include "hsutils_global.h"

#include "hstest_global.h"

HOMESCREEN_TEST_CLASS(t_hsUtils)

class QLineF;

class QPropertyAnimation;

class HSUTILS_EXPORT HsSnapLine : public QObject, public QGraphicsLineItem

{

    Q_OBJECT

public:

    HsSnapLine(QGraphicsItem *parent = 0);

    ~HsSnapLine();

public:

    void setConfiguration(const QVariantHash &configuration);

    void hideLine();

    void showLine(const QLineF &snapLine);

private:

    Q_DISABLE_COPY(HsSnapLine)

    void startFadeInAnimation();

    bool isFadeInAnimationRunning() const;

    void stopFadeInAnimation();

    void actionOnFadeInAnimationStop();

    void startFadeOutAnimation();

    bool isFadeOutAnimationRunning() const;

    void stopFadeOutAnimation();

    void actionOnFadeOutAnimationStop();

    int getFadeInDuration() { return (mFadeInAnimationDuration - mFadeInAnimationDuration*mOpacity); }

    int getFadeOutDuration() { return (mFadeOutAnimationDuration*mOpacity); }

private slots:

    void fadeInAnimationFinished();

    void fadeOutAnimationFinished();

private:

    QPropertyAnimation *mFadeInAnimation;

    QPropertyAnimation *mFadeOutAnimation;

    qreal mOpacity;

    int mFadeInAnimationDuration;

    int mFadeOutAnimationDuration;

    HOMESCREEN_TEST_FRIEND_CLASS(t_hsUtils)

};

#endif