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:      $Id$
   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     wxDELETE(m_pTimer);
  77 }
  78
  79 //Time between timer calls
  80 #define MOVIE_DELAY 100
  81
  82 void wxSoundData::SoundTask()
  83 {
  84 }
  85
  86 void wxSoundData::CreateAndStartTimer()
  87 {
  88     //Start timer and play movie asyncronously
  89     m_pTimer = new wxSoundTimer(this);
  90     m_pTimer->Start(MOVIE_DELAY, wxTIMER_CONTINUOUS);
  91 }
  92
  93 wxSound::wxSound()
  94 {
  95     Init();
  96 }
  97
  98 wxSound::wxSound(const wxString& sFileName, bool isResource)
  99 {
 100     Init();
 101     Create(sFileName, isResource);
 102 }
 103
 104 wxSound::wxSound(int size, const wxByte* data)
 105 {
 106     Init();
 107     Create( size, data );
 108 }
 109
 110 wxSound::~wxSound()
 111 {
 112     // if the sound is in a playing state, just mark it to be deleted and
 113     // delete it after it plays. Otherwise, async sounds created on the stack
 114     // may never get the chance to play.
 115     bool isPlaying = false;
 116     for ( wxVector<wxSoundData*>::reverse_iterator s = s_soundsPlaying.rbegin();
 117          s != s_soundsPlaying.rend(); ++s )
 118     {
 119         if (*s == m_data)
 120         {
 121             isPlaying = true;
 122             break;
 123         }
 124     }
 125
 126     if (isPlaying)
 127         m_data->MarkForDeletion();
 128     else
 129         delete m_data;
 130 }
 131
 132 void wxSound::Init()
 133 {
 134     m_data = NULL;
 135 }
 136
 137 bool wxSound::DoPlay(unsigned flags) const
 138 {
 139     if ( m_data )
 140     {
 141         s_soundsPlaying.push_back(m_data);
 142         if ( !m_data->Play(flags) )
 143             s_soundsPlaying.pop_back();
 144     }
 145
 146     return false;
 147 }
 148
 149 bool wxSound::IsPlaying()
 150 {
 151     return s_soundsPlaying.size() > 0;
 152 }
 153
 154 void wxSound::Stop()
 155 {
 156     for ( wxVector<wxSoundData*>::reverse_iterator s = s_soundsPlaying.rbegin();
 157          s != s_soundsPlaying.rend(); ++s )
 158     {
 159         (*s)->Stop();
 160     }
 161 }
 162
 163 // Notification when a sound has stopped
 164 void wxSound::SoundStopped(const wxSoundData* data)
 165 {
 166     for ( wxVector<wxSoundData*>::iterator s = s_soundsPlaying.begin();
 167          s != s_soundsPlaying.end(); ++s )
 168     {
 169         if ( (*s) == data )
 170         {
 171             s_soundsPlaying.erase(s);
 172             break;
 173         }
 174     }
 175 }
 176
 177 #endif //wxUSE_SOUND