00001
00002
00003 #ifndef __LISTENER__event_h__
00004 #define __LISTENER__event_h__
00005
00006 #include "common.h"
00007 #include "utils/gen_object.h"
00008
00009 namespace listener {
00010
00011 class Publisher ;
00012
00016 class IGSLISTENER Event: public basic::GenObject {
00017 public:
00018 Event() ;
00019 virtual ~Event() ;
00020
00024 Publisher* get_source() const ;
00025
00029 template <typename EVENT>
00030 bool is_of_type() {return (typeid(*this)==typeid(EVENT)) ;}
00031
00035 template <typename EVENT>
00036 bool inherits_from() {return (dynamic_cast<EVENT*>(this)!=NULL) ;}
00037
00038 private:
00039 friend class Publisher ;
00040 void set_publisher(Publisher* p) ;
00041 Publisher* publisher_ ;
00042
00043 } ;
00044 typedef basic::SmartPointer<Event> Event_var ;
00045
00046
00050 template <typename EVENT>
00051 EVENT* duplicate_event(EVENT* e) {return new EVENT(*e) ;}
00052
00053
00054 inline Publisher* Event::get_source() const {
00055 return publisher_ ;
00056 }
00057
00058 }
00059
00060 #endif
