#ifndef adwaitatabbar_data_h

#define adwaitatabbar_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 "adwaitaanimationdata.h"

#include <QTabBar>

namespace Adwaita

{

    //* tabbars

    class TabBarData: public AnimationData

    {

        Q_OBJECT

        //* declare opacity property

        Q_PROPERTY( qreal currentOpacity READ currentOpacity WRITE setCurrentOpacity )

        Q_PROPERTY( qreal previousOpacity READ previousOpacity WRITE setPreviousOpacity )

        public:

        //* constructor

        TabBarData( QObject* parent, QWidget* target, int duration );

        //* destructor

        virtual ~TabBarData( void )

        {}

        //* duration

        void setDuration( int duration )

        {

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

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

        }

        //* update state

        bool updateState( const QPoint&, bool );

        //*@name current index handling

        //@{

        //* current opacity

        virtual qreal currentOpacity( void ) const

        { return _current._opacity; }

        //* current opacity

        virtual void setCurrentOpacity( qreal value )

        {

            if( _current._opacity == value ) return;

            _current._opacity = value;

            setDirty();

        }

        //* current index

        virtual int currentIndex( void ) const

        { return _current._index; }

        //* current index

        virtual void setCurrentIndex( int index )

        { _current._index = index; }

        //* current index animation

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

        { return _current._animation; }

        //@}

        //*@name previous index handling

        //@{

        //* previous opacity

        virtual qreal previousOpacity( void ) const

        { return _previous._opacity; }

        //* previous opacity

        virtual void setPreviousOpacity( qreal value )

        {

            if( _previous._opacity == value ) return;

            _previous._opacity = value;

            setDirty();

        }

        //* previous index

        virtual int previousIndex( void ) const

        { return _previous._index; }

        //* previous index

        virtual void setPreviousIndex( int index )

        { _previous._index = index; }

        //* previous index Animation

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

        { return _previous._animation; }

        //@}

        //* return Animation associated to action at given position, if any

        virtual Animation::Pointer animation( const QPoint& position ) const;

        //* return opacity associated to action at given position, if any

        virtual qreal opacity( const QPoint& position ) const;

        private:

        //* container for needed animation data

        class Data

        {

            public:

            //* default constructor

            Data( void ):

                _opacity(0),

                _index(-1)

            {}

            Animation::Pointer _animation;

            qreal _opacity;

            int _index;

        };

        //* current tab animation data (for hover enter animations)

        Data _current;

        //* previous tab animations data (for hover leave animations)

        Data _previous;

    };

}

#endif