#ifndef adwaitascrollbar_data_h

#define adwaitascrollbar_data_h

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

 * Copyright (C) 2014 by Hugo Pereira Da Costa <hugo.pereira@free.fr>    *

 *                                                                       *

 * This program is free software; you can redistribute it and/or modify  *

 * it under the terms of the GNU General Public License as published by  *

 * the Free Software Foundation; either version 2 of the License, or     *

 * (at your option) any later version.                                   *

 *                                                                       *

 * This program is distributed in the hope that it will be useful,       *

 * but WITHOUT ANY WARRANTY; without even the implied warranty of        *

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *

 * GNU General Public License for more details.                          *

 *                                                                       *

 * You should have received a copy of the GNU General Public License     *

 * along with this program; if not, write to the                         *

 * Free Software Foundation, Inc.,                                       *

 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA .        *

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

#include "adwaitawidgetstatedata.h"

#include <QStyle>

namespace Adwaita

{

    //* scrollbar data

    class ScrollBarData: public WidgetStateData

    {

        Q_OBJECT

        Q_PROPERTY( qreal addLineOpacity READ addLineOpacity WRITE setAddLineOpacity )

        Q_PROPERTY( qreal subLineOpacity READ subLineOpacity WRITE setSubLineOpacity )

        Q_PROPERTY( qreal grooveOpacity READ grooveOpacity WRITE setGrooveOpacity )

        public:

        //* constructor

        ScrollBarData( QObject* parent, QWidget* target, int );

        //* destructor

        virtual ~ScrollBarData( void )

        {}

        //* event filter

        virtual bool eventFilter( QObject*, QEvent* );

        //* needed to avoid warning about virtual function being hidden

        using WidgetStateData::animation;

        using WidgetStateData::opacity;

        //* return animation for a given subcontrol

        virtual const Animation::Pointer& animation( QStyle::SubControl ) const;

        //* return default opacity for a given subcontrol

        virtual qreal opacity( QStyle::SubControl ) const;

        //* return default opacity for a given subcontrol

        virtual bool isHovered( QStyle::SubControl control ) const

        {

            switch( control )

            {

                case QStyle::SC_ScrollBarAddLine: return addLineArrowHovered();

                case QStyle::SC_ScrollBarSubLine: return subLineArrowHovered();

                case QStyle::SC_ScrollBarGroove: return grooveHovered();

                default: return false;

            }

        }

        //* subControlRect

        virtual QRect subControlRect( QStyle::SubControl control ) const

        {

            switch( control )

            {

                case QStyle::SC_ScrollBarAddLine: return _addLineData._rect;

                case QStyle::SC_ScrollBarSubLine: return _subLineData._rect;

                default: return QRect();

            }

        }

        //* subcontrol rect

        virtual void setSubControlRect( QStyle::SubControl control, const QRect& rect )

        {

            switch( control )

            {

                case QStyle::SC_ScrollBarAddLine:

                _addLineData._rect = rect;

                break;

                case QStyle::SC_ScrollBarSubLine:

                _subLineData._rect = rect;

                break;

                default: break;

            }

        }

        //* duration

        virtual void setDuration( int duration )

        {

            WidgetStateData::setDuration( duration );

            addLineAnimation().data()->setDuration( duration );

            subLineAnimation().data()->setDuration( duration );

            grooveAnimation().data()->setDuration( duration );

        }

        //* addLine opacity

        virtual void setAddLineOpacity( qreal value )

        {

            value = digitize( value );

            if( _addLineData._opacity == value ) return;

            _addLineData._opacity = value;

            setDirty();

        }

        //* addLine opacity

        virtual qreal addLineOpacity( void ) const

        { return _addLineData._opacity; }

        //* subLine opacity

        virtual void setSubLineOpacity( qreal value )

        {

            value = digitize( value );

            if( _subLineData._opacity == value ) return;

            _subLineData._opacity = value;

            setDirty();

        }

        //* subLine opacity

        virtual qreal subLineOpacity( void ) const

        { return _subLineData._opacity; }

        //* groove opacity

        virtual void setGrooveOpacity( qreal value )

        {

            value = digitize( value );

            if( _grooveData._opacity == value ) return;

            _grooveData._opacity = value;

            setDirty();

        }

        //* groove opacity

        virtual qreal grooveOpacity( void ) const

        { return _grooveData._opacity; }

        //* mouse position

        QPoint position( void ) const

        { return _position; }

        protected Q_SLOTS:

        //* clear addLineRect

        void clearAddLineRect( void )

        {

            if( addLineAnimation().data()->direction() == Animation::Backward )

            { _addLineData._rect = QRect(); }

        }

        //* clear subLineRect

        void clearSubLineRect( void )

        {

            if( subLineAnimation().data()->direction() == Animation::Backward )

            { _subLineData._rect = QRect(); }

        }

        protected:

        //* hoverMoveEvent

        virtual void hoverMoveEvent( QObject*, QEvent* );

        //* hoverMoveEvent

        virtual void hoverLeaveEvent( QObject*, QEvent* );

        //*@name hover flags

        //@{

        virtual bool addLineArrowHovered( void ) const

        { return _addLineData._hovered; }

        virtual void setAddLineArrowHovered( bool value )

        { _addLineData._hovered = value; }

        virtual bool subLineArrowHovered( void ) const

        { return _subLineData._hovered; }

        virtual void setSubLineArrowHovered( bool value )

        { _subLineData._hovered = value; }

        virtual bool grooveHovered( void ) const

        { return _grooveData._hovered; }

        virtual void setGrooveHovered( bool value )

        { _grooveData._hovered = value; }

        //@}

        //* update add line arrow

        virtual void updateAddLineArrow( QStyle::SubControl );

        //* update sub line arrow

        virtual void updateSubLineArrow( QStyle::SubControl );

        //*@name timelines

        //@{

        virtual const Animation::Pointer& addLineAnimation( void ) const

        { return _addLineData._animation; }

        virtual const Animation::Pointer& subLineAnimation( void ) const

        { return _subLineData._animation; }

        virtual const Animation::Pointer& grooveAnimation( void ) const

        { return _grooveData._animation; }

        private:

        //* stores sub control data

        class Data

        {

          public:

          //* constructor

          Data( void ):

            _hovered( false ),

            _opacity( AnimationData::OpacityInvalid )

          {}

          //* true if hovered

          bool _hovered;

          //* animation

          Animation::Pointer _animation;

          //* opacity

          qreal _opacity;

          //* rect

          QRect _rect;

        };

        //* add line data (down arrow)

        Data _addLineData;

        //* subtract line data (up arrow)

        Data _subLineData;

        //* groove data

        Data _grooveData;

        //* mouse position

        QPoint _position;

    };

}

#endif