src/osx/core/sound.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/sound.cpp
   3 // Purpose:     wxSound class implementation: optional
   4 // Author:      Ryan Norton
   5 // Modified by: Stefan Csomor
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id: sound.cpp 61475 2009-07-20 16:47:54Z VZ $
   8 // Copyright:   (c) Ryan Norton
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_SOUND
  16
  17 #if wxOSX_USE_AUDIOTOOLBOX
  18
  19 #include "wx/sound.h"
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/object.h"
  23     #include "wx/string.h"
  24     #include "wx/intl.h"
  25     #include "wx/log.h"
  26     #include "wx/timer.h"
  27 #endif
  28
  29 #include "wx/file.h"
  30
  31 class wxOSXAudioToolboxSoundData : public wxSoundData
  32 {
  33 public:
  34     wxOSXAudioToolboxSoundData(const wxString& fileName);
  35
  36     ~wxOSXAudioToolboxSoundData();
  37
  38     virtual bool Play(unsigned flags);
  39
  40     virtual void DoStop();
  41 protected:
  42     static void CompletionCallback(SystemSoundID  mySSID, void * soundRef);
  43     void SoundCompleted();
  44
  45     SystemSoundID m_soundID;
  46     wxString m_sndname; //file path
  47 };
  48
  49 wxOSXAudioToolboxSoundData::wxOSXAudioToolboxSoundData(const wxString& fileName) :
  50     m_soundID(NULL)
  51 {
  52     m_sndname = fileName;
  53 }
  54
  55 void wxOSXAudioToolboxSoundData::CompletionCallback(SystemSoundID  mySSID, void * soundRef)
  56 {
  57     wxOSXAudioToolboxSoundData* data = (wxOSXAudioToolboxSoundData*) soundRef;
  58
  59     data->SoundCompleted();
  60 }
  61
  62 void wxOSXAudioToolboxSoundData::SoundCompleted()
  63 {
  64     if ( m_flags & wxSOUND_ASYNC )
  65     {
  66         if (m_flags & wxSOUND_LOOP)
  67             AudioServicesPlaySystemSound(m_soundID);
  68         else
  69             Stop();
  70     }
  71     else
  72     {
  73         Stop();
  74         CFRunLoopStop(CFRunLoopGetCurrent());
  75     }
  76
  77 }
  78
  79 void wxOSXAudioToolboxSoundData::DoStop()
  80 {
  81     if (m_soundID)
  82     {
  83         AudioServicesDisposeSystemSoundID (m_soundID);
  84         m_soundID = NULL;
  85
  86         wxSound::SoundStopped(this);
  87     }
  88 }
  89
  90 bool wxOSXAudioToolboxSoundData::DoPlay(unsigned flags) const
  91 {
  92     Stop();
  93
  94     m_flags = flags;
  95
  96     wxCFRef<CFMutableStringRef> cfMutableString(CFStringCreateMutableCopy(NULL, 0, wxCFStringRef(m_sndname)));
  97     CFStringNormalize(cfMutableString,kCFStringNormalizationFormD);
  98     wxCFRef<CFURLRef> url(CFURLCreateWithFileSystemPath(kCFAllocatorDefault, cfMutableString , kCFURLPOSIXPathStyle, false));
  99
 100     AudioServicesCreateSystemSoundID(url, &m_soundID);
 101     AudioServicesAddSystemSoundCompletion( m_soundID, NULL, NULL, wxOSXAudioToolboxSoundData::CompletionCallback, (void *) this );
 102
 103     bool sync = !(flags & wxSOUND_ASYNC);
 104
 105     AudioServicesPlaySystemSound(m_soundID);
 106
 107     if ( sync )
 108     {
 109         while( m_soundID )
 110         {
 111             CFRunLoopRun();
 112         }
 113     }
 114
 115     return true;
 116 }
 117
 118 #endif // wxOSX_USE_AUDIOTOOLBOX
 119
 120 #endif //wxUSE_SOUND