csutil/timer.h
00001 /* 00002 Copyright (C) 2003 by Jorrit Tyberghein 00003 00004 This library is free software; you can redistribute it and/or 00005 modify it under the terms of the GNU Library General Public 00006 License as published by the Free Software Foundation; either 00007 version 2 of the License, or (at your option) any later version. 00008 00009 This library is distributed in the hope that it will be useful, 00010 but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 Library General Public License for more details. 00013 00014 You should have received a copy of the GNU Library General Public 00015 License along with this library; if not, write to the Free 00016 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00017 */ 00018 00019 #ifndef __CS_TIMER_H__ 00020 #define __CS_TIMER_H__ 00021 00022 #include <stdarg.h> 00023 #include <stdio.h> 00024 #include "array.h" 00025 #include "iutil/timer.h" 00026 00027 struct iEvent; 00028 struct iObjectRegistry; 00029 struct iVirtualClock; 00030 struct iEventHandler; 00031 struct timerevent; 00032 00037 class csEventTimer : public iEventTimer 00038 { 00039 private: 00040 iObjectRegistry* object_reg; 00041 csArray<timerevent> timerevents; 00042 iEventHandler* handler; 00043 csRef<iVirtualClock> vc; 00044 00045 int FindTimerEvent (iTimerEvent* ev); 00046 00047 // Optimization: to prevent having to loop over all timer events 00048 // all the time we keep the minimum time needed before the first 00049 // event is triggered. 00050 int32 minimum_time; 00051 int32 accumulate_elapsed; 00052 00053 public: 00054 csEventTimer (iObjectRegistry* object_reg); 00055 virtual ~csEventTimer (); 00056 00057 bool HandleEvent (iEvent& e); 00058 00059 SCF_DECLARE_IBASE; 00060 00061 virtual void AddTimerEvent (iTimerEvent* ev, csTicks delay); 00062 virtual void RemoveTimerEvent (iTimerEvent* ev); 00063 virtual void RemoveAllTimerEvents (); 00064 00070 static csPtr<iEventTimer> GetStandardTimer (iObjectRegistry* object_reg); 00071 }; 00072 00073 #endif // __CS_TIMER_H__ 00074
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