src/mac/timer.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        timer.cpp
   3 // Purpose:     wxTimer implementation
   4 // Author:      AUTHOR
   5 // Modified by:
   6 // Created:     ??/??/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) AUTHOR
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation "timer.h"
  14 #endif
  15
  16 #include "wx/timer.h"
  17
  18 #if !USE_SHARED_LIBRARY
  19 IMPLEMENT_ABSTRACT_CLASS(wxTimer, wxObject)
  20 #endif
  21
  22 #ifdef __WXMAC__
  23 #include "wx/mac/private.h"
  24 #endif
  25 #ifndef __DARWIN__
  26 #include <Timer.h>
  27 #endif
  28
  29 typedef struct MacTimerInfo
  30 {
  31     TMTask m_task;
  32     wxMacNotifierTableRef m_table ;
  33     wxTimer* m_timer ;
  34 } ;
  35
  36 static void wxProcessTimer( unsigned long event , void *data ) ;
  37
  38 static pascal void MacTimerProc( TMTask * t )
  39 {
  40         MacTimerInfo * tm = (MacTimerInfo*)  t ;
  41         wxMacAddEvent( tm->m_table , wxProcessTimer, 0 , (void*) tm->m_timer , TRUE ) ;
  42 }
  43
  44 static void wxProcessTimer( unsigned long event , void *data )
  45 {
  46         if ( !data )
  47                 return ;
  48
  49         wxTimer* timer = (wxTimer*) data ;
  50         if ( timer->IsOneShot() )
  51                 timer->Stop() ;
  52
  53     timer->Notify();
  54
  55     if ( timer->m_info->m_task.tmAddr && !timer->IsOneShot() )
  56     {
  57             PrimeTime( (QElemPtr)  &timer->m_info->m_task , timer->GetInterval() ) ;
  58     }
  59 }
  60
  61 void wxTimer::Init()
  62 {
  63     m_info = new MacTimerInfo() ;
  64         m_info->m_task.tmAddr = NULL ;
  65         m_info->m_task.tmWakeUp = 0 ;
  66         m_info->m_task.tmReserved = 0 ;
  67         m_info->m_task.qType = 0 ;
  68         m_info->m_table = wxMacGetNotifierTable() ;
  69         m_info->m_timer = this ;
  70 }
  71
  72 bool wxTimer::IsRunning() const
  73 {
  74         return ( m_info->m_task.qType & kTMTaskActive ) ;
  75 }
  76
  77 wxTimer::~wxTimer()
  78 {
  79     Stop();
  80     delete m_info ;
  81     m_info = NULL ;
  82 }
  83
  84 bool wxTimer::Start(int milliseconds,bool mode)
  85 {
  86     (void)wxTimerBase::Start(milliseconds, mode);
  87
  88     wxCHECK_MSG( m_milli > 0, FALSE, wxT("invalid value for timer timeour") );
  89     wxCHECK_MSG( m_info->m_task.tmAddr == NULL , FALSE, wxT("attempting to restart a timer") );
  90
  91     m_milli = milliseconds;
  92 #if defined(UNIVERSAL_INTERFACES_VERSION) && (UNIVERSAL_INTERFACES_VERSION >= 0x0340)
  93     m_info->m_task.tmAddr = NewTimerUPP( MacTimerProc ) ;
  94 #else
  95     m_info->m_task.tmAddr = NewTimerProc( MacTimerProc ) ;
  96 #endif
  97     m_info->m_task.tmWakeUp = 0 ;
  98     m_info->m_task.tmReserved = 0 ;
  99         m_info->m_task.qType = 0 ;
 100         m_info->m_timer = this ;
 101     InsXTime((QElemPtr) &m_info->m_task ) ;
 102     PrimeTime( (QElemPtr) &m_info->m_task , m_milli ) ;
 103     return FALSE;
 104 }
 105
 106 void wxTimer::Stop()
 107 {
 108     m_milli = 0 ;
 109     if ( m_info->m_task.tmAddr )
 110     {
 111         RmvTime(  (QElemPtr) &m_info->m_task ) ;
 112         DisposeTimerUPP(m_info->m_task.tmAddr) ;
 113         m_info->m_task.tmAddr = NULL ;
 114     }
 115     wxMacRemoveAllNotifiersForData( wxMacGetNotifierTable() , this ) ;
 116 }
 117
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 119