nux-0.9.46
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00001 /* 00002 * Copyright 2010 Inalogic® Inc. 00003 * 00004 * This program is free software: you can redistribute it and/or modify it 00005 * under the terms of the GNU Lesser General Public License, as 00006 * published by the Free Software Foundation; either version 2.1 or 3.0 00007 * of the License. 00008 * 00009 * This program is distributed in the hope that it will be useful, but 00010 * WITHOUT ANY WARRANTY; without even the implied warranties of 00011 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR 00012 * PURPOSE. See the applicable version of the GNU Lesser General Public 00013 * License for more details. 00014 * 00015 * You should have received a copy of both the GNU Lesser General Public 00016 * License along with this program. If not, see <http://www.gnu.org/licenses/> 00017 * 00018 * Authored by: Jay Taoko <jaytaoko@inalogic.com> 00019 * 00020 */ 00021 00022 00023 #ifndef TIMERPROC_H 00024 #define TIMERPROC_H 00025 00026 namespace nux 00027 { 00028 00029 class TimerHandler; 00030 class WindowThread; 00031 00032 class TimerFunctor : public sigc::trackable 00033 { 00034 public: 00035 sigc::signal<void, void *> OnTimerExpired; 00036 }; 00037 00038 class TimerObject; 00039 00040 class TimerHandle 00041 { 00042 public: 00043 TimerHandle(); 00044 TimerHandle (TimerObject *timer_object); 00045 ~TimerHandle(); 00046 TimerHandle (const TimerHandle &); 00047 00048 TimerHandle &operator = (const TimerHandle &); 00049 bool IsValid() const; 00050 00052 float GetProgress() const; 00053 float GetProgressDelta() const; 00054 00055 int GetScheduledIterationCount() const; 00056 int GetProgressIterationCount() const; 00057 int GetElapsedTimed() const; 00058 00059 private: 00060 TimerObject *m_d; 00061 00062 friend class TimerHandler; 00063 }; 00064 00065 class TimerHandler 00066 { 00067 public: 00068 enum 00069 { 00070 TIMERTYPE_UNKNONW = 0L, 00071 TIMERTYPE_PERIODIC, 00072 TIMERTYPE_DURATION, 00073 TIMERTYPE_ITERATION, 00074 }; 00075 00076 TimerHandler(); 00077 ~TimerHandler(); 00078 00080 00090 TimerHandle AddTimerHandler (unsigned int Period, TimerFunctor *Callback, void *Data, WindowThread* window_thread = NULL); 00092 00102 TimerHandle AddPeriodicTimerHandler (unsigned int Period, int Duration, TimerFunctor *Callback, void *Data); 00104 00115 TimerHandle AddCountIterationTimerHandler (unsigned int Period, int NumberOfIteration, TimerFunctor *Callback, void *Data); 00116 00118 00124 bool FindTimerHandle (TimerHandle &handle); 00125 00127 00131 bool RemoveTimerHandler (TimerHandle &handle); 00132 00134 00137 int DelayUntilNextTimerExpires(); 00138 00139 #if (defined(NUX_OS_LINUX) || defined(NUX_USE_GLIB_LOOP_ON_WINDOWS)) && (!defined(NUX_DISABLE_GLIB_LOOP)) 00140 int ExecTimerHandler (t_u32 timer_id); 00141 #else 00142 int ExecTimerHandler(); 00143 #endif 00144 00146 void StartEarlyTimerObjects(); 00147 00148 private: 00149 bool m_IsProceesingTimers; 00150 TimerObject *AddHandle (TimerObject *handle); 00151 t_u32 GetNumPendingHandler(); 00152 00154 TimerObject *m_timer_object_queue; 00155 std::list<TimerObject*> _early_timer_objects; 00156 }; 00157 00158 } 00159 00160 #endif // TIMERPROC_H 00161