Module.h

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/* ========================================================================
 * Copyright (c) 2006,
 * Institute for Computer Graphics and Vision
 * Graz University of Technology
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * Neither the name of the Graz University of Technology nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */

#ifndef _MODULE_H
#define _MODULE_H

#include "../dllinclude.h"

#include "ConfigNode.h"
#include "StringTable.h"

namespace ot {

    class OPENTRACKER_API Module
    {
        //members
    protected:
        int initialized;
        Context * context;
        
    public:
        static Context * contextx;

        //methods
    public:
        Module(): initialized(0), context(NULL) {};

        virtual ~Module() {};

        virtual void close() {};

        virtual void init(StringTable& attributes,  ConfigNode * localTree)
        {
            initialized = 1;
        };

        virtual void pullEvent() {};

        virtual void pushEvent() {};

        virtual void start() {};

        virtual int stop()
        {
            return 0;
        };

                virtual void addNode(const Node * ){};
                virtual void removeNode(Node *){};

        int isInitialized()
        {
            return initialized;
        };

        friend class Context;
    };



/*
#define OT_MODULE(MODNAME) static void registerModule (Context * context, void * data)

#define OT_MODULE_REGISTER_FUNC(MODNAME) \
        void MODNAME::registerModule( Context * context , void * data) 

#define OT_MODULE_REGISTRATION_DEFAULT(MODNAME, REGISTRATIONSTRING) \
                MODNAME * mod = new MODNAME();\
                context->addFactory (*mod);\
                context->addModule (REGISTRATIONSTRING, *mod)

#define OT_REGISTER_MODULE (MODNAME, VOIDPARAMETER) \
        Configurator::addModuleInit(#MODNAME, MODNAME::registerModule, VOIDPARAMETER)

*/


class Context;


#define OT_MODULE(MODNAME) void registerModule##MODNAME (Context * context, void * data)

#define OT_MODULE_REGISTER_FUNC(MODNAME) \
        void registerModule##MODNAME( Context * context , void * data) 

#define OT_MODULE_REGISTRATION_DEFAULT(MODNAME, REGISTRATIONSTRING) \
                MODNAME * mod = new MODNAME();\
                context->addFactory (*mod);\
                context->addModule (REGISTRATIONSTRING, *mod)

#define OT_REGISTER_MODULE(MODNAME, VOIDPARAMETER) \
        Configurator::addModuleInit(#MODNAME, registerModule##MODNAME, VOIDPARAMETER)



} // namespace ot

#endif

/* 
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 *   End of Module.h
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 */

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