+wxCarbonTimerImpl::wxCarbonTimerImpl(wxTimer *timer)
+ : wxTimerImpl(timer)
+{
+ m_info = new MacTimerInfo();
+ m_info->m_timer = this;
+ m_info->m_proc = NULL;
+ m_info->m_timerRef = kInvalidID;
+}
+
+bool wxCarbonTimerImpl::IsRunning() const
+{
+ return ( m_info->m_timerRef != kInvalidID );
+}
+
+wxCarbonTimerImpl::~wxCarbonTimerImpl()
+{
+ delete m_info;
+}
+
+bool wxCarbonTimerImpl::Start( int milliseconds, bool mode )
+{
+ (void)wxTimerImpl::Start(milliseconds, mode);
+
+ wxCHECK_MSG( m_milli > 0, false, wxT("invalid value for timer timeout") );
+ wxCHECK_MSG( m_info->m_timerRef == NULL, false, wxT("attempting to restart a timer") );
+
+ m_info->m_timer = this;
+ m_info->m_proc = NewEventLoopTimerUPP( &wxProcessTimer );
+
+ OSStatus err = InstallEventLoopTimer(
+ GetMainEventLoop(),
+ m_milli*kEventDurationMillisecond,
+ IsOneShot() ? 0 : m_milli * kEventDurationMillisecond,
+ m_info->m_proc,
+ this,
+ &m_info->m_timerRef );
+ verify_noerr( err );
+
+ return true;
+}
+
+void wxCarbonTimerImpl::Stop()
+{
+ if (m_info->m_timerRef)
+ RemoveEventLoopTimer( m_info->m_timerRef );
+ if (m_info->m_proc)
+ DisposeEventLoopTimerUPP( m_info->m_proc );
+
+ m_info->m_proc = NULL;
+ m_info->m_timerRef = kInvalidID;
+}
+
+#else // !wxMAC_USE_CARBON_TIMER
+
+typedef struct MacTimerInfo
+{
+ TMTask m_task;
+ wxMacNotifierTableRef m_table;
+ wxCarbonTimerImpl* m_timer;
+};
+
+static void wxProcessTimer( unsigned long event, void *data );
+
+static pascal void MacTimerProc( TMTask * t )
+{
+ MacTimerInfo * tm = (MacTimerInfo*) t;
+ wxMacAddEvent( tm->m_table, wxProcessTimer, 0, (void*) tm->m_timer, true );
+}
+
+// we need this array to track timers that are being deleted within the Notify procedure
+// adding the timer before the Notify call and checking after whether it still is in there
+// as the destructor would have removed it from the array
+
+wxArrayPtrVoid gTimersInProcess;
+
+static void wxProcessTimer( unsigned long event, void *data )
+{
+ if ( data == NULL )
+ return;
+
+ wxCarbonTimerImpl* timer = (wxCarbonTimerImpl*) data;
+ if ( timer->m_oneShot )
+ timer->Stop();
+
+ gTimersInProcess.Add( timer );
+ timer->Notify();
+
+ int index = gTimersInProcess.Index( timer );
+ if ( index != wxNOT_FOUND )
+ {
+ gTimersInProcess.RemoveAt( index );
+
+ if ( !timer->IsOneShot() && timer->m_info->m_task.tmAddr )
+ PrimeTime( (QElemPtr) &timer->m_info->m_task, timer->GetInterval() );
+ }
+}
+
+void wxCarbonTimerImpl::Init()
+{
+ m_info = new MacTimerInfo();
+ m_info->m_task.tmAddr = NULL;
+ m_info->m_task.tmWakeUp = 0;
+ m_info->m_task.tmReserved = 0;
+ m_info->m_task.qType = 0;
+ m_info->m_table = wxMacGetNotifierTable();
+ m_info->m_timer = this;
+}
+
+bool wxCarbonTimerImpl::IsRunning() const
+{
+ // as the qType may already indicate it is elapsed, but it
+ // was not handled internally yet
+ return ( m_info->m_task.tmAddr != NULL );
+}
+
+wxCarbonTimerImpl::~wxCarbonTimerImpl()