include/wx/msw/mimetype.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/mimetype.h
   3 // Purpose:     classes and functions to manage MIME types
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     23.09.98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows license (part of wxExtra library)
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _MIMETYPE_IMPL_H
  13 #define _MIMETYPE_IMPL_H
  14
  15 #ifdef    __GNUG__
  16 #pragma interface "mimetype.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20
  21 #include "wx/mimetype.h"
  22
  23
  24 class WXDLLEXPORT wxFileTypeImpl
  25 {
  26 public:
  27     // ctor
  28     wxFileTypeImpl() { m_info = NULL; }
  29
  30     // one of these Init() function must be called (ctor can't take any
  31     // arguments because it's common)
  32
  33         // initialize us with our file type name and extension - in this case
  34         // we will read all other data from the registry
  35     void Init(const wxString& strFileType, const wxString& ext)
  36         { m_strFileType = strFileType; m_ext = ext; }
  37
  38         // initialize us with a wxFileTypeInfo object - it contains all the
  39         // data
  40     void Init(const wxFileTypeInfo& info)
  41         { m_info = &info; }
  42
  43     // implement accessor functions
  44     bool GetExtensions(wxArrayString& extensions);
  45     bool GetMimeType(wxString *mimeType) const;
  46     bool GetMimeTypes(wxArrayString& mimeTypes) const;
  47     bool GetIcon(wxIcon *icon) const;
  48     bool GetDescription(wxString *desc) const;
  49     bool GetOpenCommand(wxString *openCmd,
  50                         const wxFileType::MessageParameters& params) const;
  51     bool GetPrintCommand(wxString *printCmd,
  52                          const wxFileType::MessageParameters& params) const;
  53
  54 private:
  55     // helper function: reads the command corresponding to the specified verb
  56     // from the registry (returns an empty string if not found)
  57     wxString GetCommand(const wxChar *verb) const;
  58
  59     // we use either m_info or read the data from the registry if m_info == NULL
  60     const wxFileTypeInfo *m_info;
  61     wxString m_strFileType,         // may be empty
  62              m_ext;
  63 };
  64
  65
  66
  67 class WXDLLEXPORT wxMimeTypesManagerImpl
  68 {
  69 public:
  70     // nothing to do here, we don't load any data but just go and fetch it from
  71     // the registry when asked for
  72     wxMimeTypesManagerImpl() { }
  73
  74     // implement containing class functions
  75     wxFileType *GetFileTypeFromExtension(const wxString& ext);
  76     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
  77
  78     size_t EnumAllFileTypes(wxArrayString& mimetypes);
  79
  80     // this are NOPs under Windows
  81     bool ReadMailcap(const wxString& filename, bool fallback = TRUE)
  82         { return TRUE; }
  83     bool ReadMimeTypes(const wxString& filename)
  84         { return TRUE; }
  85
  86     void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
  87
  88 private:
  89     wxArrayFileTypeInfo m_fallbacks;
  90 };
  91
  92
  93 #endif
  94   //_MIMETYPE_IMPL_H
  95