csutil/timer.h
Go to the documentation of this file.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 00026 #include <stdarg.h> 00027 #include <stdio.h> 00028 #include "csextern.h" 00029 #include "csutil/array.h" 00030 #include "csutil/scf_implementation.h" 00031 #include "iutil/timer.h" 00032 #include "iutil/eventnames.h" 00033 #include "iutil/virtclk.h" 00034 00035 struct iEvent; 00036 struct iObjectRegistry; 00037 struct iEventHandler; 00038 00043 class CS_CRYSTALSPACE_EXPORT csEventTimer : 00044 public scfImplementation1<csEventTimer, iEventTimer> 00045 { 00046 private: 00047 struct timerevent 00048 { 00049 csRef<iTimerEvent> event; 00050 csTicks delay; 00051 int time_left; 00052 }; 00053 iObjectRegistry* object_reg; 00054 csEventID Frame; 00055 csArray<timerevent> timerevents; 00056 iEventHandler* handler; 00057 csRef<iVirtualClock> vc; 00058 00059 size_t FindTimerEvent (iTimerEvent* ev); 00060 00061 // Optimization: to prevent having to loop over all timer events 00062 // all the time we keep the minimum time needed before the first 00063 // event is triggered. 00064 int32 minimum_time; 00065 int32 accumulate_elapsed; 00066 00067 public: 00068 csEventTimer (iObjectRegistry* object_reg); 00069 virtual ~csEventTimer (); 00070 00071 bool HandleEvent (iEvent& e); 00072 00073 virtual void AddTimerEvent (iTimerEvent* ev, csTicks delay); 00074 virtual void RemoveTimerEvent (iTimerEvent* ev); 00075 virtual void RemoveAllTimerEvents (); 00076 00077 virtual size_t GetEventCount () const { return timerevents.GetSize (); } 00078 virtual csTicks GetTimeLeft (size_t idx) const; 00079 00085 static csPtr<iEventTimer> GetStandardTimer (iObjectRegistry* object_reg); 00086 }; 00087 00088 #endif // __CS_TIMER_H__ 00089
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