AnimationController.h

/******************************************************************************
Este arquivo eh parte da implementacao do ambiente declarativo do middleware
Ginga (Ginga-NCL).

Direitos Autorais Reservados (c) 1989-2007 PUC-Rio/Laboratorio TeleMidia

Este programa eh software livre; voce pode redistribui-lo e/ou modificah-lo sob
os termos da Licenca Publica Geral GNU versao 2 conforme publicada pela Free
Software Foundation.

Este programa eh distribuido na expectativa de que seja util, porem, SEM
NENHUMA GARANTIA; nem mesmo a garantia implicita de COMERCIABILIDADE OU
ADEQUACAO A UMA FINALIDADE ESPECIFICA. Consulte a Licenca Publica Geral do
GNU versao 2 para mais detalhes.

Voce deve ter recebido uma copia da Licenca Publica Geral do GNU versao 2 junto
com este programa; se nao, escreva para a Free Software Foundation, Inc., no
endereco 59 Temple Street, Suite 330, Boston, MA 02111-1307 USA.

Para maiores informacoes:
ncl @ telemidia.puc-rio.br
http://www.ncl.org.br
http://www.ginga.org.br
http://www.telemidia.puc-rio.br
******************************************************************************
This file is part of the declarative environment of middleware Ginga (Ginga-NCL)

Copyright: 1989-2007 PUC-RIO/LABORATORIO TELEMIDIA, All Rights Reserved.

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License version 2 as published by
the Free Software Foundation.

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 version 2 for more
details.

You should have received a copy of the GNU General Public License version 2
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

For further information contact:
ncl @ telemidia.puc-rio.br
http://www.ncl.org.br
http://www.ginga.org.br
http://www.telemidia.puc-rio.br
*******************************************************************************/

#ifndef _ANIMATIONCONTROLLER_H_
#define _ANIMATIONCONTROLLER_H_

#include "../model/AttributionEvent.h"
using namespace ::br::pucrio::telemidia::ginga::ncl::model::event;

#include "ncl/animation/Animation.h"
using namespace ::br::pucrio::telemidia::ncl::animation;

#include "system/thread/Thread.h"
using namespace ::br::pucrio::telemidia::ginga::core::system::thread;

#include "../adapters/FormatterPlayerAdapter.h"
#include "../adapters/PlayerAdapterManager.h"
using namespace ::br::pucrio::telemidia::ginga::ncl::adapters;

#include "../model/ExecutionObject.h"
using namespace ::br::pucrio::telemidia::ginga::ncl::model::components;

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace ncl {
namespace animation {
    class AnimationController : public Thread {
        private:
            PlayerAdapterManager* pManager;
            FormatterPlayerAdapter* player; //useful if media is playing
            ExecutionObject* execObj;       //useful if the object isn't playing
                                            //or it's a Ginga Settings Node.

            AttributionEvent* event;        //attribution event

            //useful when the animation is over a region
            LayoutRegion* initRegion;
            LayoutRegion* targetRegion;

            string propName;            //name of the property (can be a group
                                        //of properties like bounds, location,
                                        //etc.)

            bool isExecObjAnim;

            //animation parameters
            vector <string>* params;    //parameters passe by the author
            vector <string> propertySingleNames;
            vector <double> initValues;
            vector <string> strTargetValues;
            vector <double> targetValues;

            double initTime;
            double duration;

            int stepSize; //this would be a vector

        private:
            AnimationController(
                    ExecutionObject* execObj,
                    PlayerAdapterManager* pManager,
                    FormatterPlayerAdapter* player,
                    AttributionEvent* event,
                    string value,
                    Animation* anim);

            virtual ~AnimationController();

        public:
            static void startAnimation(
                    ExecutionObject* execObj,
                    PlayerAdapterManager* pManager,
                    FormatterPlayerAdapter* player,
                    AttributionEvent* event,
                    string value,
                    Animation* anim);

        private:
            string previousValues;

            void run();

            bool loadInitValues();

            bool loadTargetValues();

            bool animeStep();

            double getSinglePropertyTarget(int i);

            bool updateTargetRegion();

            bool ungroupProperty();

            bool isExecutionObjectProperty(string name);

    };
}
}
}
}
}
}

#endif // _ANIMATIONCONTROLLER_H_