/*

* Copyright (c) 2010 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: Container for pan (drag) gesture -related data and logic.

*

*/

#ifndef HGDRAG_H

#define HGDRAG_H

#include <QTime>

class HgDrag

{

public:

    HgDrag();

    void reset(const qreal delta, const qreal viewPos);

    qreal update(const qreal delta, const qreal viewPos, const qreal itemWidth);

    bool finish(const qreal viewPos, bool stopToFullItem, qreal &newPos);

    qreal viewPosAtStart() const;

private:

    QTime mDuration;

    qreal mViewPosAtStart;

    qreal mLength;

    qreal mCumulatedDelta;

    int mDirection;

    int mDirectionChange;

};

#endif // HGDRAG_H