include/wx/mac/carbon/mimetype.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/mac/mimetype.h
   3 // Purpose:     Mac Carbon implementation for wx mime-related classes
   4 // Author:      Ryan Norton
   5 // Modified by:
   6 // Created:     04/16/2005
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 2005 Ryan Norton (<wxprojects@comcast.net>)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _MIMETYPE_IMPL_H
  13 #define _MIMETYPE_IMPL_H
  14
  15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16     #pragma interface "mimetype.h"
  17 #endif
  18
  19 #include "wx/defs.h"
  20 #include "wx/mimetype.h"
  21
  22
  23 class wxMimeTypesManagerImpl
  24 {
  25 public :
  26     //kinda kooky but in wxMimeTypesManager::EnsureImpl it doesn't call
  27     //intialize, so we do it ourselves
  28     wxMimeTypesManagerImpl() : m_hIC(NULL) { Initialize(); }
  29     ~wxMimeTypesManagerImpl() { ClearData(); }
  30
  31     // load all data into memory - done when it is needed for the first time
  32     void Initialize(int mailcapStyles = wxMAILCAP_STANDARD,
  33                     const wxString& extraDir = wxEmptyString);
  34
  35     // and delete the data here
  36     void ClearData();
  37
  38     // implement containing class functions
  39     wxFileType *GetFileTypeFromExtension(const wxString& ext);
  40     wxFileType *GetOrAllocateFileTypeFromExtension(const wxString& ext) ;
  41     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
  42
  43     size_t EnumAllFileTypes(wxArrayString& mimetypes);
  44
  45     // this are NOPs under MacOS
  46     bool ReadMailcap(const wxString& WXUNUSED(filename), bool WXUNUSED(fallback) = TRUE) { return TRUE; }
  47     bool ReadMimeTypes(const wxString& WXUNUSED(filename)) { return TRUE; }
  48
  49     void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
  50
  51     // create a new filetype association
  52     wxFileType *Associate(const wxFileTypeInfo& ftInfo);
  53     // remove association
  54     bool Unassociate(wxFileType *ft);
  55
  56 private:
  57     wxArrayFileTypeInfo m_fallbacks;
  58     void*                               m_hIC;
  59     void**                              m_hDatabase;
  60     long                                m_lCount;
  61
  62     friend class wxFileTypeImpl;
  63 };
  64
  65 class wxFileTypeImpl
  66 {
  67 public:
  68     //kind of nutty, but mimecmn.cpp creates one with an empty new
  69     wxFileTypeImpl() : m_manager(NULL) {}
  70     ~wxFileTypeImpl() {} //for those broken compilers
  71
  72     // implement accessor functions
  73     bool GetExtensions(wxArrayString& extensions);
  74     bool GetMimeType(wxString *mimeType) const;
  75     bool GetMimeTypes(wxArrayString& mimeTypes) const;
  76     bool GetIcon(wxIconLocation *iconLoc) const;
  77     bool GetDescription(wxString *desc) const;
  78     bool GetOpenCommand(wxString *openCmd,
  79                         const wxFileType::MessageParameters&) const;
  80     bool GetPrintCommand(wxString *printCmd,
  81                          const wxFileType::MessageParameters&) const;
  82
  83     size_t GetAllCommands(wxArrayString * verbs, wxArrayString * commands,
  84                           const wxFileType::MessageParameters& params) const;
  85
  86     // remove the record for this file type
  87     // probably a mistake to come here, use wxMimeTypesManager.Unassociate (ft) instead
  88     bool Unassociate(wxFileType *ft)
  89     {
  90         return m_manager->Unassociate(ft);
  91     }
  92
  93     // set an arbitrary command, ask confirmation if it already exists and
  94     // overwriteprompt is TRUE
  95     bool SetCommand(const wxString& cmd, const wxString& verb, bool overwriteprompt = TRUE);
  96     bool SetDefaultIcon(const wxString& strIcon = wxEmptyString, int index = 0);
  97
  98  private:
  99     void Init(wxMimeTypesManagerImpl *manager, long lIndex)
 100     { m_manager=(manager); m_lIndex=(lIndex); }
 101
 102     // helper function
 103     wxString GetCommand(const wxString& verb) const;
 104
 105     wxMimeTypesManagerImpl *m_manager;
 106     long                    m_lIndex;
 107
 108     friend class wxMimeTypesManagerImpl;
 109 };
 110
 111 #endif
 112   //_MIMETYPE_H