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

**

** 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 HBSCROLLBAR_P_H

#define HBSCROLLBAR_P_H

#include <QBasicTimer>

#include <hbscrollbar.h>

#include <hbwidget_p.h>

class HbScrollBarPrivateCore : public QObject

{

    Q_OBJECT

    signals:

        void handlePressed();

        void handleReleased();

    friend class HbScrollBar;

    friend class HbScrollAreaPrivate;    

};

class HbScrollBarPrivate : public HbWidgetPrivate

{

    Q_DECLARE_PUBLIC(HbScrollBar)

public:

    HbScrollBarPrivate();

    virtual ~HbScrollBarPrivate();

    void init();

    void createPrimitives();

    void updatePosition();

    void sizeHelper();

    void startShowEffect();

    void startHideEffect();

    void loadEffects();

    Qt::Orientation mOrientation;

    qreal mCurrentPosition;

    qreal mPageSize;

    bool mActivated;

    QPointF mPressPosition;

    bool mThumbPressed;

    bool mGroovePressed;

    bool mInteractive;

    QBasicTimer repeatActionTimer;

    qreal mPressedTargetValue;

    QGraphicsItem *grooveItem;

    QGraphicsItem *handleItem;

    QGraphicsItem *mTouchArea;

    qreal mLimitingFactor;

    qreal mTopLeft;

    bool hasEffects;

    QPointF lastEmittedPos;

    bool emittedPos;

    HbScrollBarPrivateCore core;

    static bool effectsLoaded;

    inline bool isPressed() {

        return ( mThumbPressed || mGroovePressed );

    }

private:

    static HbScrollBarPrivate *d_ptr( HbScrollBar *bar ) {

        Q_ASSERT(bar);

        return bar->d_func();

    }

    friend class HbScrollAreaPrivate;

};

#endif // HBSCROLLBAR_P_H