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 #ifdef    __GNUG__
  16     #pragma interface "mimetype.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20
  21 #if wxUSE_MIMETYPE
  22
  23 #include "wx/mimetype.h"
  24
  25 // ----------------------------------------------------------------------------
  26 // wxFileTypeImpl is the OS/2 version of wxFileType, this is a private class
  27 // and is never used directly by the application
  28 // ----------------------------------------------------------------------------
  29
  30 class WXDLLIMPEXP_BASE wxFileTypeImpl
  31 {
  32 public:
  33     // ctor
  34     wxFileTypeImpl() { m_info = NULL; }
  35
  36     // one of these Init() function must be called (ctor can't take any
  37     // arguments because it's common)
  38
  39         // initialize us with our file type name and extension - in this case
  40         // we will read all other data from the registry
  41     void Init(const wxString& strFileType, const wxString& ext)
  42         { m_strFileType = strFileType; m_ext = ext; }
  43
  44         // initialize us with a wxFileTypeInfo object - it contains all the
  45         // data
  46     void Init(const wxFileTypeInfo& info)
  47         { m_info = &info; }
  48
  49     // implement accessor functions
  50     bool GetExtensions(wxArrayString& extensions);
  51     bool GetMimeType(wxString *mimeType) const;
  52     bool GetMimeTypes(wxArrayString& mimeTypes) const;
  53     bool GetIcon(wxIconLocation *iconLoc) const;
  54     bool GetDescription(wxString *desc) const;
  55     bool GetOpenCommand(wxString *openCmd,
  56                         const wxFileType::MessageParameters& params) const;
  57     bool GetPrintCommand(wxString *printCmd,
  58                          const wxFileType::MessageParameters& params) const;
  59
  60     size_t GetAllCommands(wxArrayString * verbs, wxArrayString * commands,
  61                           const wxFileType::MessageParameters& params) const;
  62
  63     bool Unassociate();
  64
  65     // set an arbitrary command, ask confirmation if it already exists and
  66     // overwriteprompt is true
  67     bool SetCommand(const wxString& cmd,
  68                     const wxString& verb,
  69                     bool overwriteprompt = true);
  70
  71     bool SetDefaultIcon(const wxString& cmd = wxEmptyString, int index = 0);
  72
  73     // this is called  by Associate
  74     bool SetDescription (const wxString& desc);
  75
  76 private:
  77     // helper function: reads the command corresponding to the specified verb
  78     // from the registry (returns an empty string if not found)
  79     wxString GetCommand(const wxChar *verb) const;
  80
  81     // we use either m_info or read the data from the registry if m_info == NULL
  82     const wxFileTypeInfo *m_info;
  83     wxString m_strFileType,         // may be empty
  84              m_ext;
  85 };
  86
  87
  88
  89 class WXDLLIMPEXP_BASE wxMimeTypesManagerImpl
  90 {
  91 public:
  92     // nothing to do here, we don't load any data but just go and fetch it from
  93     // the registry when asked for
  94     wxMimeTypesManagerImpl() { }
  95
  96     // implement containing class functions
  97     wxFileType *GetFileTypeFromExtension(const wxString& ext);
  98     wxFileType *GetOrAllocateFileTypeFromExtension(const wxString& ext);
  99     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
 100
 101     size_t EnumAllFileTypes(wxArrayString& mimetypes);
 102
 103     // these are NOPs under OS/2
 104     bool ReadMailcap(const wxString& WXUNUSED(filename), bool WXUNUSED(fallback) = true)
 105         { return true; }
 106     bool ReadMimeTypes(const wxString& WXUNUSED(filename))
 107         { return true; }
 108
 109     void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
 110
 111 private:
 112     wxArrayFileTypeInfo m_fallbacks;
 113 };
 114
 115 #endif // wxUSE_MIMETYPE
 116
 117 #endif
 118   //_MIMETYPE_IMPL_H