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 // RCS-ID:      $Id: sound.cpp 61475 2009-07-20 16:47:54Z VZ $
   8 // Copyright:   (c) Stefan Csomor
   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 #include "wx/sound.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/object.h"
  21     #include "wx/string.h"
  22     #include "wx/intl.h"
  23     #include "wx/log.h"
  24     #include "wx/timer.h"
  25 #endif
  26
  27 #include "wx/file.h"
  28
  29 #include "wx/vector.h"
  30
  31 class wxSoundTimer : public wxTimer
  32 {
  33 public:
  34     wxSoundTimer(wxSoundData* snd)
  35     : m_sound(snd)
  36     {
  37     }
  38
  39     virtual ~wxSoundTimer()
  40     {
  41         Stop();
  42         if (m_sound)
  43             m_sound->DoStop();
  44     }
  45
  46     void Notify()
  47     {
  48         if (m_sound)
  49             m_sound->SoundTask();
  50     }
  51
  52 protected:
  53     wxSoundData* m_sound;
  54 };
  55
  56 wxVector<wxSoundData*> s_soundsPlaying;
  57
  58 wxSoundData::wxSoundData()
  59 {
  60     m_pTimer = NULL;
  61     m_markedForDeletion = false;
  62 }
  63
  64 wxSoundData::~wxSoundData()
  65 {
  66 }
  67
  68 void wxSoundData::MarkForDeletion()
  69 {
  70     m_markedForDeletion = true;
  71 }
  72
  73 void wxSoundData::Stop()
  74 {
  75     DoStop();
  76     if ( m_pTimer )
  77     {
  78         delete m_pTimer;
  79         m_pTimer = NULL;
  80     }
  81 }
  82
  83 //Time between timer calls
  84 #define MOVIE_DELAY 100
  85
  86 void wxSoundData::SoundTask()
  87 {
  88 }
  89
  90 void wxSoundData::CreateAndStartTimer()
  91 {
  92     //Start timer and play movie asyncronously
  93     m_pTimer = new wxSoundTimer(this);
  94     m_pTimer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS);
  95 }
  96
  97 wxSound::wxSound()
  98 {
  99     Init();
 100 }
 101
 102 wxSound::wxSound(const wxString& sFileName, bool isResource)
 103 {
 104     Init();
 105     Create(sFileName, isResource);
 106 }
 107
 108 wxSound::wxSound(int size, const wxByte* data)
 109 {
 110     Init();
 111     Create( size, data );
 112 }
 113
 114 wxSound::~wxSound()
 115 {
 116     // if the sound is in a playing state, just mark it to be deleted and
 117     // delete it after it plays. Otherwise, async sounds created on the stack
 118     // may never get the chance to play.
 119     bool isPlaying = false;
 120     for ( wxVector<wxSoundData*>::reverse_iterator s = s_soundsPlaying.rbegin();
 121          s != s_soundsPlaying.rend(); ++s )
 122     {
 123         if (*s == m_data)
 124         {
 125             isPlaying = true;
 126             break;
 127         }
 128     }
 129
 130     if (isPlaying)
 131         m_data->MarkForDeletion();
 132     else
 133         delete m_data;
 134 }
 135
 136 void wxSound::Init()
 137 {
 138     m_data = NULL;
 139 }
 140
 141 bool wxSound::DoPlay(unsigned flags) const
 142 {
 143     if ( m_data )
 144     {
 145         s_soundsPlaying.push_back(m_data);
 146         if ( !m_data->Play(flags) )
 147             s_soundsPlaying.pop_back();
 148     }
 149
 150     return false;
 151 }
 152
 153 bool wxSound::IsPlaying()
 154 {
 155     return s_soundsPlaying.size() > 0;
 156 }
 157
 158 void wxSound::Stop()
 159 {
 160     for ( wxVector<wxSoundData*>::reverse_iterator s = s_soundsPlaying.rbegin();
 161          s != s_soundsPlaying.rend(); ++s )
 162     {
 163         (*s)->Stop();
 164     }
 165 }
 166
 167 // Notification when a sound has stopped
 168 void wxSound::SoundStopped(const wxSoundData* data)
 169 {
 170     for ( wxVector<wxSoundData*>::iterator s = s_soundsPlaying.begin();
 171          s != s_soundsPlaying.end(); ++s )
 172     {
 173         if ( (*s) == data )
 174         {
 175             s_soundsPlaying.erase(s);
 176             break;
 177         }
 178     }
 179 }
 180
 181 #endif //wxUSE_SOUND