ApplicationPlayerAdapter.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 _APPLICATIONPLAYERADAPTER_H_
#define _APPLICATIONPLAYERADAPTER_H_

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

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

#include "player/IPlayerListener.h"
using namespace ::br::pucrio::telemidia::ginga::core::player;

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace ncl {
namespace adapters {
namespace application {

    typedef struct {
        short code;
        string param;
        short type;
        string value;
    } ApplicationStatus;

    class ApplicationPlayerAdapter :
            public FormatterPlayerAdapter, public Thread {

        private:
            IPlayerListener* editingCommandListener;
            pthread_mutex_t eventMutex;
            pthread_mutex_t eventsMutex;
            bool running;

        protected:
            vector<ApplicationStatus*> notes;
            map<string, FormatterEvent*> preparedEvents;
            FormatterEvent* currentEvent;

        public:
            ApplicationPlayerAdapter(IPlayerAdapterManager* manager);
            virtual ~ApplicationPlayerAdapter();

            void setNclEditListener(IPlayerListener* listener);

        protected:
            virtual void createPlayer();

            virtual bool hasPrepared();
            virtual bool prepare(
                    ExecutionObject* object, FormatterEvent* mainEvent);

        private:
            void prepare(FormatterEvent* event);

        public:
            virtual bool start();
            virtual bool stop();
            virtual bool pause();
            virtual bool resume();
            virtual bool abort();

        private:
            virtual bool unprepare();

        public:
            virtual void naturalEnd();
            virtual void updateStatus(
                    short code,
                    string parameter="",
                    short type=10,
                    string value="");

        private:
            void notificationHandler(
                    short code,
                    string parameter,
                    short type,
                    string value);

            void run();

        public:
            virtual bool setAndLockCurrentEvent(FormatterEvent* event)=0;
            virtual void unlockCurrentEvent(FormatterEvent* event)=0;

        private:
            bool checkEvent(FormatterEvent* event, short type);

        protected:
            bool startEvent(string anchorId, short type, string value);
            bool stopEvent(string anchorId, short type, string value);
            bool abortEvent(string anchorId, short type);
            bool pauseEvent(string anchorId, short type);
            bool resumeEvent(string anchorId, short type);

            void lockEvent();
            void unlockEvent();

            void lockPreparedEvents();
            void unlockPreparedEvents();

        public:
            virtual void flip(){};
    };
}
}
}
}
}
}
}

#endif //_ApplicationPlayerAdapter_H_