InputManager.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 INPUTMANAGER_H_
#define INPUTMANAGER_H_

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

#include "util/functions.h"
using namespace ::br::pucrio::telemidia::util;

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

#include "interface/InputEventFactory.h"

#include "IMBDefs.h"
#include "IInputManager.h"

#include <iostream>
#include <vector>
#include <set>
#include <map>
using namespace std;

typedef struct lockedLitenerAction {
    ::br::pucrio::telemidia::ginga::core::mb::IInputEventListener* l;
    bool isAdd;
    set<int>* events;
} LockedAction;

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace core {
namespace mb {
    class InputManager : public IInputManager, public Thread {
        private:
            map<IInputEventListener*, set<int>*> eventListeners;
            vector<LockedAction*> actionsToInpListeners;
            set<IInputEventListener*> applicationListeners;
            vector<LockedAction*> actionsToAppListeners;

            set<IMotionEventListener*> motionListeners;

            ICmdEventListener* cmdListener;

            pthread_mutex_t mlMutex;

            bool running;
            bool notifying;
            bool notifyingApp;
            IEventBuffer* eventBuffer;
            double lastEventTime;
            double imperativeIntervalTime;
            double declarativeIntervalTime;
            InputEventFactory* ief;
            GingaScreenID myScreen;

            int currentXAxis;
            int currentYAxis;
            int currentZAxis;
            int maxX;
            int maxY;

            pthread_mutex_t actAppMutex;
            pthread_mutex_t actInpMutex;

            pthread_mutex_t appMutex;

        public:
            InputManager(GingaScreenID screenId);
            virtual ~InputManager();

        private:
            void initializeInputIntervalTime();

            void release();

        public:
            void addMotionEventListener(IMotionEventListener* listener);
            void removeMotionEventListener(IMotionEventListener* listener);

        private:
            void notifyMotionListeners(int x, int y, int z);

        public:
            void addInputEventListener(
                    IInputEventListener* listener, set<int>* events=NULL);

            void removeInputEventListener(IInputEventListener* listener);

            void setCommandEventListener(ICmdEventListener* listener);

        private:
            void performInputLockedActions();
            void performApplicationLockedActions();
            bool dispatchEvent(IInputEvent* keyEvent);
            bool dispatchApplicationEvent(IInputEvent* keyEvent);

        public:
            void addApplicationInputEventListener(IInputEventListener* listener);
            void removeApplicationInputEventListener(
                    IInputEventListener* listener);

            void postInputEvent(IInputEvent* event);
            void postInputEvent(int keyCode);
            void postCommand(string cmd, string args);

            void setAxisValues(int x, int y, int z);
            void setAxisBoundaries(int x, int y, int z);
            int getCurrentXAxisValue();
            int getCurrentYAxisValue();

            IEventBuffer* getEventBuffer();

        private:
            void run();
    };
}
}
}
}
}
}

#endif /*INPUTMANAGER_H_*/