src/osx/sound_osx.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/sound_osx.cpp
   3 // Purpose:     wxSound class common osx code
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     2009-09-01
   7 // Copyright:   (c) Stefan Csomor
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_SOUND
  15
  16 #include "wx/sound.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/object.h"
  20     #include "wx/string.h"
  21     #include "wx/intl.h"
  22     #include "wx/log.h"
  23     #include "wx/timer.h"
  24 #endif
  25
  26 #include "wx/file.h"
  27
  28 #include "wx/vector.h"
  29
  30 class wxSoundTimer : public wxTimer
  31 {
  32 public:
  33     wxSoundTimer(wxSoundData* snd)
  34     : m_sound(snd)
  35     {
  36     }
  37
  38     virtual ~wxSoundTimer()
  39     {
  40         Stop();
  41         if (m_sound)
  42             m_sound->DoStop();
  43     }
  44
  45     void Notify()
  46     {
  47         if (m_sound)
  48             m_sound->SoundTask();
  49     }
  50
  51 protected:
  52     wxSoundData* m_sound;
  53 };
  54
  55 wxVector<wxSoundData*> s_soundsPlaying;
  56
  57 wxSoundData::wxSoundData()
  58 {
  59     m_pTimer = NULL;
  60     m_markedForDeletion = false;
  61 }
  62
  63 wxSoundData::~wxSoundData()
  64 {
  65 }
  66
  67 void wxSoundData::MarkForDeletion()
  68 {
  69     m_markedForDeletion = true;
  70 }
  71
  72 void wxSoundData::Stop()
  73 {
  74     DoStop();
  75     wxDELETE(m_pTimer);
  76 }
  77
  78 //Time between timer calls
  79 #define MOVIE_DELAY 100
  80
  81 void wxSoundData::SoundTask()
  82 {
  83 }
  84
  85 void wxSoundData::CreateAndStartTimer()
  86 {
  87     //Start timer and play movie asyncronously
  88     m_pTimer = new wxSoundTimer(this);
  89     m_pTimer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS);
  90 }
  91
  92 wxSound::wxSound()
  93 {
  94     Init();
  95 }
  96
  97 wxSound::wxSound(const wxString& sFileName, bool isResource)
  98 {
  99     Init();
 100     Create(sFileName, isResource);
 101 }
 102
 103 wxSound::wxSound(size_t size, const void* data)
 104 {
 105     Init();
 106     Create( size, data );
 107 }
 108
 109 wxSound::~wxSound()
 110 {
 111     // if the sound is in a playing state, just mark it to be deleted and
 112     // delete it after it plays. Otherwise, async sounds created on the stack
 113     // may never get the chance to play.
 114     bool isPlaying = false;
 115     for ( wxVector<wxSoundData*>::reverse_iterator s = s_soundsPlaying.rbegin();
 116          s != s_soundsPlaying.rend(); ++s )
 117     {
 118         if (*s == m_data)
 119         {
 120             isPlaying = true;
 121             break;
 122         }
 123     }
 124
 125     if (isPlaying)
 126         m_data->MarkForDeletion();
 127     else
 128         delete m_data;
 129 }
 130
 131 void wxSound::Init()
 132 {
 133     m_data = NULL;
 134 }
 135
 136 bool wxSound::DoPlay(unsigned flags) const
 137 {
 138     if ( m_data )
 139     {
 140         s_soundsPlaying.push_back(m_data);
 141         if ( !m_data->Play(flags) )
 142             s_soundsPlaying.pop_back();
 143     }
 144
 145     return false;
 146 }
 147
 148 bool wxSound::IsPlaying()
 149 {
 150     return s_soundsPlaying.size() > 0;
 151 }
 152
 153 void wxSound::Stop()
 154 {
 155     for ( wxVector<wxSoundData*>::reverse_iterator s = s_soundsPlaying.rbegin();
 156          s != s_soundsPlaying.rend(); ++s )
 157     {
 158         (*s)->Stop();
 159     }
 160 }
 161
 162 // Notification when a sound has stopped
 163 void wxSound::SoundStopped(const wxSoundData* data)
 164 {
 165     for ( wxVector<wxSoundData*>::iterator s = s_soundsPlaying.begin();
 166          s != s_soundsPlaying.end(); ++s )
 167     {
 168         if ( (*s) == data )
 169         {
 170             s_soundsPlaying.erase(s);
 171             break;
 172         }
 173     }
 174 }
 175
 176 #endif //wxUSE_SOUND