#ifndef adwaitabaseengine_h

#define adwaitabaseengine_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 "adwaita.h"

#include <QObject>

#include <QSet>

namespace Adwaita

{

    //* base class for all animation engines

    /** it is used to store configuration values used by all animations stored in the engine */

    class BaseEngine: public QObject

    {

        Q_OBJECT

        public:

        using Pointer = WeakPointer<BaseEngine>;

        //* constructor

        explicit BaseEngine( QObject* parent ):

            QObject( parent ),

            _enabled( true ),

            _duration( 200 )

        {}

        //* destructor

        virtual ~BaseEngine( void )

        {}

        //* enability

        virtual void setEnabled( bool value )

        { _enabled = value; }

        //* enability

        virtual bool enabled( void ) const

        { return _enabled; }

        //* duration

        virtual void setDuration( int value )

        { _duration = value; }

        //* duration

        virtual int duration( void ) const

        { return _duration; }

        //* unregister widget

        virtual bool unregisterWidget( QObject* object ) = 0;

        //* list of widgets

        using WidgetList = QSet<QWidget*>;

        //* returns registered widgets

        virtual WidgetList registeredWidgets( void ) const

        { return WidgetList(); }

        private:

        //* engine enability

        bool _enabled;

        //* animation duration

        int _duration;

    };

}

#endif