libcore/ManualClock.h

   1 /*
   2  *   Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
   3  *   Free Software Foundation, Inc.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18  *
  19  *
  20  */
  21
  22 #ifndef _GNASH_MANUAL_CLOCK_HH
  23 #define _GNASH_MANUAL_CLOCK_HH
  24
  25 #include "VirtualClock.h" // for inheritance
  26
  27 namespace gnash {
  28
  29 /// A manually advanced clock
  30 class ManualClock : public VirtualClock
  31 {
  32 public:
  33
  34         /// Construct a manual clock
  35         ManualClock()
  36                 :
  37                 _elapsed(0)
  38         {}
  39
  40         // see dox in VirtualClock.h
  41         unsigned long elapsed() const
  42         {
  43                 return _elapsed;
  44         }
  45
  46         // see dox in VirtualClock.h
  47         void restart()
  48         {
  49                 _elapsed=0;
  50         }
  51
  52         /// Advance the clock by the given amount of milliseconds
  53         void advance(unsigned long amount)
  54         {
  55                 _elapsed += amount;
  56         }
  57
  58 private:
  59
  60         unsigned long _elapsed;
  61 };
  62
  63
  64 } // namespace gnash
  65
  66 #endif // _GNASH_MANUAL_CLOCK_HH