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