git.sesse.net Git - casparcg/blob - modules/flash/interop/TimerHelper.h

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\r
   5 *\r
   6 *    CasparCG is free software: you can redistribute it and/or modify\r
   7 *    it under the terms of the GNU General Public License as published by\r
   8 *    the Free Software Foundation, either version 3 of the License, or\r
   9 *    (at your option) any later version.\r
  10 *\r
  11 *    CasparCG is distributed in the hope that it will be useful,\r
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 *    GNU General Public License for more details.\r
  15 \r
  16 *    You should have received a copy of the GNU General Public License\r
  17 *    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 */\r
  20  \r
  21 #ifndef _TIMER_HELPER_H__\r
  22 #define _TIMER_HELPER_H__\r
  23 \r
  24 #include "FlashAxContainer.h"\r
  25 \r
  26 namespace caspar {\r
  27 namespace flash {\r
  28 \r
  29         class TimerHelper\r
  30         {\r
  31                 TimerHelper(const TimerHelper&);\r
  32                 const TimerHelper& operator=(const TimerHelper&);\r
  33 \r
  34         public:\r
  35                 TimerHelper()\r
  36                 {}\r
  37                 TimerHelper(DWORD first, DWORD interv, ITimerSink* pTS) : firstTime(first), interval(interv), currentTime(first), pTimerSink(pTS)\r
  38                 {\r
  39                         ID = first;\r
  40                 }\r
  41                 ~TimerHelper()\r
  42                 {\r
  43                 }\r
  44                 void Setup(DWORD first, DWORD interv, ITimerSink* pTS)\r
  45                 {\r
  46                         firstTime = first;\r
  47                         interval = interv;\r
  48                         currentTime = first;\r
  49                         pTimerSink = pTS;\r
  50                         ID = first;\r
  51                 }\r
  52 \r
  53                 DWORD Invoke()\r
  54                 {\r
  55                         if(pTimerSink != 0)\r
  56                         {\r
  57                                 VARIANT value;\r
  58                                 value.vt = VT_UI4;\r
  59                                 value.ulVal = currentTime;\r
  60 \r
  61                                 pTimerSink->OnTimer(value);\r
  62                                 currentTime += interval;\r
  63                         }\r
  64                         return currentTime;\r
  65                 }\r
  66 \r
  67                 DWORD firstTime;\r
  68                 DWORD interval;\r
  69                 DWORD currentTime;\r
  70                 ATL::CComPtr<ITimerSink> pTimerSink;\r
  71                 DWORD ID;\r
  72         };\r
  73 \r
  74 }       //namespace flash\r
  75 }       //namespace caspar\r
  76 \r
  77 #endif  //_TIMER_HELPER_H__