| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/osx/carbon/timer.cpp |
| 3 | // Purpose: wxTimer implementation |
| 4 | // Author: Stefan Csomor |
| 5 | // Modified by: |
| 6 | // Created: 1998-01-01 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Stefan Csomor |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #if wxUSE_TIMER |
| 15 | |
| 16 | #ifndef WX_PRECOMP |
| 17 | #include "wx/dynarray.h" |
| 18 | #endif |
| 19 | |
| 20 | #include "wx/osx/private/timer.h" |
| 21 | |
| 22 | #ifdef __WXMAC__ |
| 23 | #include "wx/osx/private.h" |
| 24 | #endif |
| 25 | |
| 26 | struct MacTimerInfo |
| 27 | { |
| 28 | wxCarbonTimerImpl* m_timer; |
| 29 | EventLoopTimerUPP m_proc; |
| 30 | EventLoopTimerRef m_timerRef; |
| 31 | }; |
| 32 | |
| 33 | static pascal void wxProcessTimer( EventLoopTimerRef WXUNUSED(theTimer), void *data ) |
| 34 | { |
| 35 | if ( data == NULL ) |
| 36 | return; |
| 37 | |
| 38 | wxCarbonTimerImpl* timer = (wxCarbonTimerImpl*)data; |
| 39 | |
| 40 | if ( timer->IsOneShot() ) |
| 41 | timer->Stop(); |
| 42 | |
| 43 | timer->Notify(); |
| 44 | } |
| 45 | |
| 46 | wxCarbonTimerImpl::wxCarbonTimerImpl(wxTimer *timer) |
| 47 | : wxTimerImpl(timer) |
| 48 | { |
| 49 | m_info = new MacTimerInfo(); |
| 50 | m_info->m_timer = this; |
| 51 | m_info->m_proc = NULL; |
| 52 | m_info->m_timerRef = kInvalidID; |
| 53 | } |
| 54 | |
| 55 | bool wxCarbonTimerImpl::IsRunning() const |
| 56 | { |
| 57 | return ( m_info->m_timerRef != kInvalidID ); |
| 58 | } |
| 59 | |
| 60 | wxCarbonTimerImpl::~wxCarbonTimerImpl() |
| 61 | { |
| 62 | delete m_info; |
| 63 | } |
| 64 | |
| 65 | bool wxCarbonTimerImpl::Start( int milliseconds, bool mode ) |
| 66 | { |
| 67 | (void)wxTimerImpl::Start(milliseconds, mode); |
| 68 | |
| 69 | wxCHECK_MSG( m_milli > 0, false, wxT("invalid value for timer timeout") ); |
| 70 | wxCHECK_MSG( m_info->m_timerRef == NULL, false, wxT("attempting to restart a timer") ); |
| 71 | |
| 72 | m_info->m_timer = this; |
| 73 | m_info->m_proc = NewEventLoopTimerUPP( &wxProcessTimer ); |
| 74 | |
| 75 | OSStatus err = InstallEventLoopTimer( |
| 76 | GetMainEventLoop(), |
| 77 | m_milli*kEventDurationMillisecond, |
| 78 | IsOneShot() ? 0 : m_milli * kEventDurationMillisecond, |
| 79 | m_info->m_proc, |
| 80 | this, |
| 81 | &m_info->m_timerRef ); |
| 82 | verify_noerr( err ); |
| 83 | |
| 84 | return true; |
| 85 | } |
| 86 | |
| 87 | void wxCarbonTimerImpl::Stop() |
| 88 | { |
| 89 | if (m_info->m_timerRef) |
| 90 | RemoveEventLoopTimer( m_info->m_timerRef ); |
| 91 | if (m_info->m_proc) |
| 92 | DisposeEventLoopTimerUPP( m_info->m_proc ); |
| 93 | |
| 94 | m_info->m_proc = NULL; |
| 95 | m_info->m_timerRef = kInvalidID; |
| 96 | } |
| 97 | |
| 98 | #endif // wxUSE_TIMER |
| 99 | |