include/wx/msw/mimetype.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/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 GetIcon(wxIcon *icon) const;
  47     bool GetDescription(wxString *desc) const;
  48     bool GetOpenCommand(wxString *openCmd,
  49                         const wxFileType::MessageParameters& params) const;
  50     bool GetPrintCommand(wxString *printCmd,
  51                          const wxFileType::MessageParameters& params) const;
  52
  53 private:
  54     // helper function: reads the command corresponding to the specified verb
  55     // from the registry (returns an empty string if not found)
  56     wxString GetCommand(const wxChar *verb) const;
  57
  58     // we use either m_info or read the data from the registry if m_info == NULL
  59     const wxFileTypeInfo *m_info;
  60     wxString m_strFileType,         // may be empty
  61              m_ext;
  62 };
  63
  64
  65
  66 class WXDLLEXPORT wxMimeTypesManagerImpl
  67 {
  68 public:
  69     // nothing to do here, we don't load any data but just go and fetch it from
  70     // the registry when asked for
  71     wxMimeTypesManagerImpl() { }
  72
  73     // implement containing class functions
  74     wxFileType *GetFileTypeFromExtension(const wxString& ext);
  75     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
  76
  77     size_t EnumAllFileTypes(wxArrayString& mimetypes);
  78
  79     // this are NOPs under Windows
  80     bool ReadMailcap(const wxString& filename, bool fallback = TRUE)
  81         { return TRUE; }
  82     bool ReadMimeTypes(const wxString& filename)
  83         { return TRUE; }
  84
  85     void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
  86
  87 private:
  88     wxArrayFileTypeInfo m_fallbacks;
  89 };
  90
  91
  92 #endif
  93   //_MIMETYPE_IMPL_H
  94