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

**

** 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 HbWidgets 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 HBSLIDERCONTROL_H

#define HBSLIDERCONTROL_H

#include "hbglobal.h"

#include "hbnamespace_p.h"

#include "hbabstractslidercontrol.h"

class HbStyleOptionSlider;

class HbSliderControlPrivate;

QT_BEGIN_NAMESPACE

class QStyleOptionSlider;

QT_END_NAMESPACE

class HB_AUTOTEST_EXPORT HbSliderControl : public HbAbstractSliderControl

{

    Q_OBJECT

public:

    explicit HbSliderControl(QGraphicsItem *parent = 0);

    explicit HbSliderControl(Qt::Orientation orientation, QGraphicsItem *parent = 0);

    virtual  ~HbSliderControl();

    enum SnappingMode {

        NoSnapping,

        MajorTickSnapping,

        MinorTickSnapping

    };

    Hb::SliderTickPositions tickPosition() const;

    void setTickPosition(Hb::SliderTickPositions position);

    int majorTickInterval() const;

    void setMajorTickInterval(int interval);

    int minorTickInterval() const;

    void setMinorTickInterval(int interval);

    void setMajorTickLabels(const QStringList &majorTickLabels);

    QStringList majorTickLabels() const;

    void setMinorTickLabels(const QStringList &minorTickLabels);

    QStringList minorTickLabels() const;

    SnappingMode snappingMode() const;

    void setSnappingMode(SnappingMode mode);

    enum { Type = HbPrivate::ItemType_SliderControl };

    int type() const { return Type; }

    void setToolTipVisible(bool );

    bool isToolTipVisible()const;

    void setToolTipAlignment(Qt:: Alignment);

    Qt:: Alignment toolTipAlignment() const;

    void setSliderPosition(int);

    void setHandleIcon(const QString &handleIcon);

    QString handleIcon() const;

    void setHandleItem(QGraphicsItem *handleItem);

    QGraphicsItem *handleItem() const;

    void setHandleVisible(bool);

    bool handleVisible() const;

    void updateSliderPosToTick();

    void setPreviousValue(bool , int );

    void enableTrackEventHandling(bool enable = true);

    bool isTrackEventHandlingEnabled ( );

    void setTrackFilled(bool trackVisible );

    bool isTrackFilled() const;

public slots:

    void updateTheme();

    void updatePrimitives();

    void showToolTip();

private slots:

    void hideToolTip();

protected:

    HbSliderControl(HbSliderControlPrivate &dd,QGraphicsItem *parent);

    virtual void changeEvent(QEvent *event);

    virtual void mousePressEvent(QGraphicsSceneMouseEvent *event);

    virtual void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

#ifdef HB_GESTURE_FW

    virtual void gestureEvent(QGestureEvent *event);

#endif 

    bool sceneEventFilter(QGraphicsItem *obj,QEvent *event);

    virtual void resizeEvent(QGraphicsSceneResizeEvent *event);

    virtual QGraphicsItem *primitive(HbStyle::Primitive primitive) const;

    void releasedOutside(bool);

    void initStyleOption(HbStyleOptionSlider *option) const;

    virtual void sliderChange(SliderChange change);

    QVariant itemChange(GraphicsItemChange change, const QVariant &value);

    virtual bool sceneEvent(QEvent *event);

    virtual void polish( HbStyleParameters& params );

signals:

    void releasedOutside( );

private:

    Q_DECLARE_PRIVATE_D(d_ptr, HbSliderControl)

    Q_DISABLE_COPY(HbSliderControl)

    friend class HbSliderHandle;

    friend class HbSliderTickmarks;

    friend class HbSliderTickmarksLabel;

};

#endif // HBSLIDERCONTROL_H