CallbackModule.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,
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 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */

#ifndef _CALLBACKMODULE_H
#define _CALLBACKMODULE_H

#include "../OpenTracker.h"



#ifndef OT_NO_CALLBACKMODULE_SUPPORT
namespace ot{

    class CallbackNode;
};
//#include "CallbackNode.h"

typedef void OTGlobalCallbackFunction(ot::CallbackNode *, ot::Event &, void *);
typedef void OTCallbackFunction (ot::CallbackNode *, ot::Event &, void *);

namespace ot {

    typedef std::map<std::string, Node*> NodeMap;
    typedef std::map<std::string, std::pair<OTCallbackFunction*, void*> > fctmap_type;
    class OPENTRACKER_API CallbackModule : public Module, public NodeFactory
    {
        // Members
    protected:
        NodeMap nodes;

        OTGlobalCallbackFunction *gcbfunction;
        void *gcbdata;
        fctmap_type lcbmap;

        // Methods
    public:
        CallbackModule() : Module(), NodeFactory(), 
            gcbfunction(NULL), gcbdata(NULL), lcbmap()
        {};
        virtual ~CallbackModule(){};    
        virtual Node * createNode( const std::string& name,  StringTable& attributes);
        void getLocalCallbackMap(fctmap_type &fmap);
        
        void setCallback( const std::string& name, OTCallbackFunction * function, void * data = NULL );

        void setGlobalCallback( OTGlobalCallbackFunction * function, void * data = NULL );
        OTGlobalCallbackFunction * getGlobalCallbackFunction() const;
        void * getGlobalCallbackData() const;
    };

    OT_MODULE(CallbackModule);

} // namespace ot {


#endif //OT_NO_CALLBACKMODULE_SUPPORT


#endif

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