event_filter.h

//-*- C++ -*-
//
#ifndef __LISTENER__event_filter_h__
#define __LISTENER__event_filter_h__

#include "common.h"
#include "utils/gen_object.h"

#define igs_add_filter(FIL) add_event_filter(new FIL) ;

namespace listener { 

  class Event ;

  class IGSLISTENER EventFilter: public basic::GenObject {
  public:
    virtual ~EventFilter() {}

    virtual bool filter(Event* e) = 0 ;

  } ;
  
  typedef basic::SmartPointer<EventFilter> EventFilter_var ;

}

#endif

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