contrib/samples/mmedia/mmbman.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        mmbman.h
   3 // Purpose:     Multimedia Board manager
   4 // Author:      Guilhem Lavaux, <guilhem.lavaux@libertysurf.fr>
   5 // Modified by:
   6 // Created:     13/02/2000
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2000, Guilhem Lavaux
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _MMBMAN_APP_H_
  13 #define _MMBMAN_APP_H_
  14
  15 #if defined(__GNUG__) && !defined(__APPLE__)
  16   #pragma interface "mmbman.h"
  17 #endif
  18
  19 #include "wx/stream.h"
  20 #include "wx/mmedia/sndbase.h"
  21
  22 // -------------------------------------------------------------------------
  23 // Base structure definitions
  24 // -------------------------------------------------------------------------
  25
  26 typedef struct {
  27   wxUint8 seconds, minutes, hours;
  28 } MMBoardTime;
  29
  30 // -------------------------------------------------------------------------
  31 // Constants
  32 // -------------------------------------------------------------------------
  33
  34 #define MMBoard_NoError 0
  35 #define MMBoard_UnknownFile 1
  36
  37 // -------------------------------------------------------------------------
  38 // Interface definition: MMBoardFile
  39 // -------------------------------------------------------------------------
  40
  41 class MMBoardFile {
  42  public:
  43   MMBoardFile();
  44   virtual ~MMBoardFile();
  45
  46   virtual bool NeedWindow() = 0;
  47
  48   virtual void SetWindow(wxWindow *window) = 0;
  49
  50   virtual void Play() = 0;
  51   virtual void Pause() = 0;
  52   virtual void Resume() = 0;
  53   virtual void Stop() = 0;
  54
  55   virtual MMBoardTime GetPosition() = 0;
  56   virtual MMBoardTime GetLength() = 0;
  57   virtual void SetPosition(MMBoardTime btime) = 0;
  58
  59   virtual bool IsStopped() = 0;
  60   virtual bool IsPaused() = 0;
  61
  62   virtual wxString GetStringType() = 0;
  63   virtual wxString GetStringInformation() = 0;
  64
  65   void SetError(wxUint8 error) { m_error = error; }
  66   wxUint8 GetError() const { return m_error; }
  67
  68  protected:
  69   wxUint8 m_error;
  70 };
  71
  72 // -------------------------------------------------------------------------
  73 // Main manager
  74 // -------------------------------------------------------------------------
  75
  76 class MMBoardManager {
  77  public:
  78   static MMBoardFile *Open(const wxString& filename);
  79
  80   static wxSoundStream *OpenSoundStream();
  81   static void UnrefSoundStream(wxSoundStream *stream);
  82 };
  83
  84 #endif