LuaPlayer.h

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

Direitos Autorais Reservados (c) 2006-2012 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: 2006-2012 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 LUAPLAYER_H
#define LUAPLAYER_H

#include <list>
#include <string>

#include <ncluaw.h>
#include <pthread.h>

using namespace std;

#include "Player.h"
#include "util/functions.h"
#include "mb/interface/IWindow.h"
#include "mb/interface/IFontProvider.h"
#include "mb/IInputManager.h"
using namespace::br::pucrio::telemidia::ginga::core::mb;

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

#define LUAPLAYER_BEGIN_DECLS NAMESPACE_GINGA_CORE_PLAYER_BEGIN
#define LUAPLAYER_END_DECLS   NAMESPACE_GINGA_CORE_PLAYER_END

LUAPLAYER_BEGIN_DECLS

class LuaPlayer : public Player, public IInputEventListener
{
private:

     ncluaw_t *nw;              // the NCLua state
     bool hasExecuted;          // true if script was executed
     bool isKeyHandler;         // true if player has the focus
     string scope;              // the label of the active anchor
     pthread_mutex_t mutex;     // sync access to player
     IInputManager *im;

     // Update thread.
     static list <LuaPlayer *> *nw_update_list;
     static pthread_mutex_t nw_update_mutex;
     static pthread_t nw_update_tid;
     static void *nw_update_thread (void *data);
     static void nw_update_insert (LuaPlayer *player);

public:
     static void nw_update_remove (LuaPlayer *player);

public:
     LuaPlayer (GingaScreenID screenId, string mrl);
     virtual ~LuaPlayer (void);

     // TODO: Make private.
     void lock (void);
     void unlock (void);
     bool doPlay  (void);
     void doStop (void);

     // Player interface.
     void abort (void);
     void pause (void);
     bool play (void);
     void resume (void);
     void stop (void);
     virtual bool hasPresented (void);
     void setCurrentScope (string scopeId);
     bool setKeyHandler (bool isHandler);
     virtual void setPropertyValue (string name, string value);

     // Input event callback.
     bool userEventReceived (IInputEvent * evt);

     // Required by LuaCanvas.cpp.
     GingaScreenID getScreenId (void);
     ILocalScreenManager *getScreenManager (void);
     void refreshContent (void);
};

LUAPLAYER_END_DECLS

#endif // LUAPLAYER_H

// Local variables:
// mode: c++
// c-file-style: "k&r"
// End: