FormatterFocusManager.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 FORMATTERFOCUSMANAGER_H_
#define FORMATTERFOCUSMANAGER_H_

#include "util/functions.h"
#include "util/Color.h"

#include "mb/IMBDefs.h"
#include "mb/IInputManager.h"
#include "mb/interface/IInputEventListener.h"
#include "mb/interface/CodeMap.h"
using namespace ::br::pucrio::telemidia::ginga::core::mb;

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

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

#include "../model/ILinkActionListener.h"
#include "../model/LinkSimpleAction.h"
using namespace ::br::pucrio::telemidia::ginga::ncl::model::link;

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

#include "../adaptation/context/IPresentationContext.h"
using namespace ::br::pucrio::telemidia::ginga::ncl::adaptation::context;

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

#include "../multidevice/IFormatterMultiDevice.h"
using namespace ::br::pucrio::telemidia::ginga::ncl::multidevice;

#include "IFormatterFocusManager.h"

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

namespace br {
namespace pucrio {
namespace telemidia {
namespace ginga {
namespace ncl {
namespace focus {
    class FormatterFocusManager :
            public IFormatterFocusManager,
            public IInputEventListener {

        private:
            IInputManager* im;

            GingaScreenID myScreen;
            IPresentationContext* presContext;
            map<string, set<ExecutionObject*>*>* focusTable;
            bool isHandler;
            string currentFocus;
            string objectToSelect;
            ExecutionObject* selectedObject;

            Color* defaultFocusBorderColor;
            int defaultFocusBorderWidth;
            Color* defaultSelBorderColor;
            PlayerAdapterManager* playerManager;
            FormatterFocusManager* parentManager;
            IFormatterMultiDevice* multiDevice;
            ILinkActionListener* settingActions;

            int xOffset;
            int yOffset;
            int width;
            int height;

            double focusHandlerTS;

            void* converter;
            pthread_mutex_t mutexFocus;
            pthread_mutex_t mutexTable;

            static bool init;
            static set<FormatterFocusManager*> instances;
            static pthread_mutex_t iMutex;

        public:
            FormatterFocusManager(
                    PlayerAdapterManager* playerManager,
                    IPresentationContext* presContext,
                    IFormatterMultiDevice* multiDevice,
                    ILinkActionListener* settingActions,
                    void* converter);

            virtual ~FormatterFocusManager();

        private:
            static void checkInit();
            static bool hasInstance(
                    FormatterFocusManager* instance, bool remove);

        public:
            void setParent(FormatterFocusManager* parent);
            bool isKeyHandler();
            bool setKeyHandler(bool isHandler);

        private:
            void setHandlingObjects(bool isHandling);
            void resetKeyMaster();

        public:
            void tapObject(void* executionObject);
            void setKeyMaster(string mediaId);
            //void setStandByState(bool standBy);
            void setFocus(string focusIndex);

        private:
            void setFocus(CascadingDescriptor* descriptor);
            void recoveryDefaultState(ExecutionObject* object);

        public:
            void showObject(ExecutionObject* object);
            void hideObject(ExecutionObject* object);

        private:
            ExecutionObject* getObjectFromFocusIndex(string focusIndex);
            void insertObject(ExecutionObject* object, string focusIndex);
            void removeObject(ExecutionObject* object, string focusIndex);

            bool keyCodeOk(ExecutionObject* currentObject);
            bool keyCodeBack();
            bool enterSelection(FormatterPlayerAdapter* player);
            void exitSelection(FormatterPlayerAdapter* player);
            void registerNavigationKeys();
            void registerBackKeys();
            void unregister();

        public:
            void setDefaultFocusBorderColor(Color* color);
            void setDefaultFocusBorderWidth(int width);
            void setDefaultSelBorderColor(Color* color);

            void setMotionBoundaries(int x, int y, int w, int h);

        private:
            void changeSettingState(string name, string act);

        public:
            bool userEventReceived(IInputEvent* ev);
            bool motionEventReceived(int x, int y, int z);
    };
}
}
}
}
}
}

#endif /*FORMATTERFOCUSMANAGER_H_*/