PresentationEvent.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 _PRESENTATIONEVENT_H_
#define _PRESENTATIONEVENT_H_

#include "ncl/interfaces/ContentAnchor.h"
#include "ncl/interfaces/IntervalAnchor.h"
using namespace ::br::pucrio::telemidia::ncl::interfaces;

#include "ncl/connectors/EventUtil.h"
using namespace ::br::pucrio::telemidia::ncl::connectors;

#include "AnchorEvent.h"

#include <string>
using namespace std;

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace ncl {
namespace model {
namespace event {
  class PresentationEvent : public AnchorEvent {
    public:
        static const double UNDEFINED_INSTANT;

    private:
        double begin;
        double end;
        double duration;
        long numPresentations;
        double repetitionInterval;

    public:
        PresentationEvent(
                string id,
                void* executionObject,
                ContentAnchor* anchor);

        virtual ~PresentationEvent();

        bool stop();
        double getDuration();
        double getRepetitionInterval();
        long getRepetitions();
        void setDuration(double dur);
        void setEnd(double e);
        void setRepetitionSettings(
                long repetitions, double repetitionInterval);

        double getBegin();
        double getEnd();
        void incrementOccurrences();
        static bool isUndefinedInstant(double value);
  };
}
}
}
}
}
}
}

#endif //_PRESENTATIONEVENT_H_