src/timesource.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
   2 /*
   3  * Contact:
   4  *   Moonlight List (moonlight-list@lists.ximian.com)
   5  *
   6  * Copyright 2007 Novell, Inc. (http://www.novell.com)
   7  *
   8  * See the LICENSE file included with the distribution for details.
   9  *
  10  */
  11
  12 #ifndef MOON_TIMESOURCE_H
  13 #define MOON_TIMESOURCE_H
  14
  15 #include <glib.h>
  16 #include "clock.h"
  17 #include "deployment.h"
  18
  19 #define MOON_PRIORITY_HIGH G_PRIORITY_DEFAULT
  20 #define MOON_PRIORITY_DEFAULT G_PRIORITY_DEFAULT_IDLE
  21 #define MOON_PRIORITY_IDLE G_PRIORITY_DEFAULT_IDLE
  22
  23 class TimeSource : public EventObject {
  24  protected:
  25         virtual ~TimeSource ();
  26
  27  public:
  28         TimeSource ();
  29         TimeSource (Deployment *deployment);
  30
  31         virtual void Start ();
  32         virtual void Stop ();
  33         virtual void SetTimerFrequency (int timeout);
  34
  35         virtual TimeSpan GetNow ();
  36
  37         const static int TickEvent;
  38 };
  39
  40 class SystemTimeSource : public TimeSource {
  41  protected:
  42         virtual ~SystemTimeSource ();
  43
  44  public:
  45         SystemTimeSource ();
  46         SystemTimeSource (Deployment *deployment);
  47
  48         virtual void Start ();
  49         virtual void Stop ();
  50         virtual void SetTimerFrequency (int timeout);
  51
  52         virtual TimeSpan GetNow ();
  53
  54  private:
  55         guint timeout_id;
  56         int frequency;
  57         static gboolean tick_timeout (gpointer data);
  58 };
  59
  60 class ManualTimeSource : public TimeSource {
  61  protected:
  62         virtual ~ManualTimeSource ();
  63
  64  public:
  65         ManualTimeSource ();
  66
  67         virtual TimeSpan GetNow ();
  68
  69         void SetCurrentTime (TimeSpan current_time);
  70
  71  private:
  72         TimeSpan current_time;
  73 };
  74
  75 G_BEGIN_DECLS
  76
  77 /* useful for timing things */
  78 TimeSpan get_now (void);
  79
  80 G_END_DECLS
  81
  82 #endif /* MOON_TIMESOURCE_H */