#ifndef adwaitatoolboxengine_h

#define adwaitatoolboxengine_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 "adwaitabaseengine.h"

#include "adwaitadatamap.h"

#include "adwaitawidgetstatedata.h"

namespace Adwaita

{

    //* QToolBox animation engine

    class ToolBoxEngine: public BaseEngine

    {

        Q_OBJECT

        public:

        //* constructor

        explicit ToolBoxEngine( QObject* parent ):

            BaseEngine( parent )

        {}

        //* destructor

        virtual ~ToolBoxEngine( void )

        {}

        //* enability

        virtual void setEnabled( bool value )

        {

            BaseEngine::setEnabled( value );

            _data.setEnabled( value );

        }

        //* duration

        virtual void setDuration( int value )

        {

            BaseEngine::setDuration( value );

            _data.setDuration( value );

        }

        //* register widget

        virtual bool registerWidget( QWidget* );

        //* true if widget hover state is changed

        virtual bool updateState( const QPaintDevice*, bool );

        //* true if widget is animated

        virtual bool isAnimated( const QPaintDevice* );

        //* animation opacity

        virtual qreal opacity( const QPaintDevice* object )

        { return isAnimated( object ) ? data( object ).data()->opacity(): AnimationData::OpacityInvalid; }

        public Q_SLOTS:

        //* remove widget from map

        virtual bool unregisterWidget( QObject* data )

        {

            if( !data ) return false;

            // reinterpret_cast is safe here since only the address is used to find

            // data in the map

            return _data.unregisterWidget( reinterpret_cast<QPaintDevice*>(data) );

        }

        protected:

        //* returns data associated to widget

        PaintDeviceDataMap<WidgetStateData>::Value data( const QPaintDevice* object )

        { return _data.find( object ).data(); }

        private:

        //* map

        PaintDeviceDataMap<WidgetStateData> _data;

    };

}

#endif