EventQueueNode.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.
 *
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 * 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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 * ========================================================================
 * PROJECT: OpenTracker
 * ======================================================================== */
/* ======================================================================= */

#ifndef _EVENTQUEUENODE_H
#define _EVENTQUEUENODE_H

#include "../OpenTracker.h"


#ifndef OT_NO_EVENTQUEUE_SUPPORT


#include "../core/EventQueueImplementation.h"

namespace ot {

    class OPENTRACKER_API EventQueueNode : public Node, protected EventQueueImplementation
    {
        // Members
    protected:
        int length;

        // Methods
    protected:
        EventQueueNode(int length_) : Node(), EventQueueImplementation()
        {
            length = length_;
        }
    public:    
        virtual int isEventGenerator()
        {
            return 1;
        };
        virtual int isEventQueue()
        {
            return 1;
        };

        virtual void onEventGenerated( Event& event, Node& generator);

        virtual Event& getEvent(unsigned int number = 0)
        {
            return EventQueueImplementation::getEvent( number );
        }
 
        virtual Event& getEventNearTime(double time)
        {
            return EventQueueImplementation::getEventNearTime( time );
        }

        virtual unsigned int getSize()
        {
            return EventQueueImplementation::getSize();
        }

        friend class CommonNodeFactory;
    };

} // namespace ot


#endif //OT_NO_EVENTQUEUE_SUPPORT


#endif


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