include/wx/os2/mimetype.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/os2/mimetype.h
   3 // Purpose:     classes and functions to manage MIME types
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     01.21.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   adopted from msw port -- (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
   9 // Licence:     wxWindows licence (part of wxExtra library)
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _MIMETYPE_IMPL_H
  13 #define _MIMETYPE_IMPL_H
  14
  15 #include "wx/defs.h"
  16
  17 #if wxUSE_MIMETYPE
  18
  19 #include "wx/mimetype.h"
  20
  21 // ----------------------------------------------------------------------------
  22 // wxFileTypeImpl is the OS/2 version of wxFileType, this is a private class
  23 // and is never used directly by the application
  24 // ----------------------------------------------------------------------------
  25
  26 class WXDLLIMPEXP_BASE wxFileTypeImpl
  27 {
  28 public:
  29     // ctor
  30     wxFileTypeImpl() { m_info = NULL; }
  31
  32     // one of these Init() function must be called (ctor can't take any
  33     // arguments because it's common)
  34
  35         // initialize us with our file type name and extension - in this case
  36         // we will read all other data from the registry
  37     void Init(const wxString& strFileType, const wxString& ext)
  38         { m_strFileType = strFileType; m_ext = ext; }
  39
  40         // initialize us with a wxFileTypeInfo object - it contains all the
  41         // data
  42     void Init(const wxFileTypeInfo& info)
  43         { m_info = &info; }
  44
  45     // implement accessor functions
  46     bool GetExtensions(wxArrayString& extensions);
  47     bool GetMimeType(wxString *mimeType) const;
  48     bool GetMimeTypes(wxArrayString& mimeTypes) const;
  49     bool GetIcon(wxIconLocation *iconLoc) const;
  50     bool GetDescription(wxString *desc) const;
  51     bool GetOpenCommand(wxString *openCmd,
  52                         const wxFileType::MessageParameters& params) const;
  53     bool GetPrintCommand(wxString *printCmd,
  54                          const wxFileType::MessageParameters& params) const;
  55
  56     size_t GetAllCommands(wxArrayString * verbs, wxArrayString * commands,
  57                           const wxFileType::MessageParameters& params) const;
  58
  59     bool Unassociate();
  60
  61     // set an arbitrary command, ask confirmation if it already exists and
  62     // overwriteprompt is true
  63     bool SetCommand(const wxString& cmd,
  64                     const wxString& verb,
  65                     bool overwriteprompt = true);
  66
  67     bool SetDefaultIcon(const wxString& cmd = wxEmptyString, int index = 0);
  68
  69     // this is called  by Associate
  70     bool SetDescription (const wxString& desc);
  71
  72 private:
  73     // helper function: reads the command corresponding to the specified verb
  74     // from the registry (returns an empty string if not found)
  75     wxString GetCommand(const wxChar *verb) const;
  76
  77     // we use either m_info or read the data from the registry if m_info == NULL
  78     const wxFileTypeInfo *m_info;
  79     wxString m_strFileType,         // may be empty
  80              m_ext;
  81 };
  82
  83
  84
  85 class WXDLLIMPEXP_BASE wxMimeTypesManagerImpl
  86 {
  87 public:
  88     // nothing to do here, we don't load any data but just go and fetch it from
  89     // the registry when asked for
  90     wxMimeTypesManagerImpl() { }
  91
  92     // implement containing class functions
  93     wxFileType *GetFileTypeFromExtension(const wxString& ext);
  94     wxFileType *GetOrAllocateFileTypeFromExtension(const wxString& ext);
  95     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
  96
  97     size_t EnumAllFileTypes(wxArrayString& mimetypes);
  98
  99     // these are NOPs under OS/2
 100     bool ReadMailcap(const wxString& WXUNUSED(filename), bool WXUNUSED(fallback) = true)
 101         { return true; }
 102     bool ReadMimeTypes(const wxString& WXUNUSED(filename))
 103         { return true; }
 104
 105     void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
 106
 107 private:
 108     wxArrayFileTypeInfo m_fallbacks;
 109 };
 110
 111 #endif // wxUSE_MIMETYPE
 112
 113 #endif
 114   //_MIMETYPE_IMPL_H