include/wx/osx/carbon/mimetype.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/mac/carbon/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 #include "wx/defs.h"
  16 #include "wx/mimetype.h"
  17
  18
  19 class wxMimeTypesManagerImpl
  20 {
  21 public :
  22     //kinda kooky but in wxMimeTypesManager::EnsureImpl it doesn't call
  23     //intialize, so we do it ourselves
  24     wxMimeTypesManagerImpl() : m_hIC(NULL) { Initialize(); }
  25     ~wxMimeTypesManagerImpl() { ClearData(); }
  26
  27     // load all data into memory - done when it is needed for the first time
  28     void Initialize(int mailcapStyles = wxMAILCAP_STANDARD,
  29                     const wxString& extraDir = wxEmptyString);
  30
  31     // and delete the data here
  32     void ClearData();
  33
  34     // implement containing class functions
  35     wxFileType *GetFileTypeFromExtension(const wxString& ext);
  36     wxFileType *GetOrAllocateFileTypeFromExtension(const wxString& ext) ;
  37     wxFileType *GetFileTypeFromMimeType(const wxString& mimeType);
  38
  39     size_t EnumAllFileTypes(wxArrayString& mimetypes);
  40
  41     // this are NOPs under MacOS
  42     bool ReadMailcap(const wxString& WXUNUSED(filename), bool WXUNUSED(fallback) = TRUE) { return TRUE; }
  43     bool ReadMimeTypes(const wxString& WXUNUSED(filename)) { return TRUE; }
  44
  45     void AddFallback(const wxFileTypeInfo& ft) { m_fallbacks.Add(ft); }
  46
  47     // create a new filetype association
  48     wxFileType *Associate(const wxFileTypeInfo& ftInfo);
  49     // remove association
  50     bool Unassociate(wxFileType *ft);
  51
  52 private:
  53     wxArrayFileTypeInfo m_fallbacks;
  54     void*  m_hIC;
  55     void** m_hDatabase;
  56     long   m_lCount;
  57
  58     void* pReserved1;
  59     void* pReserved2;
  60     void* pReserved3;
  61     void* pReserved4;
  62     void* pReserved5;
  63     void* pReserved6;
  64
  65     friend class wxFileTypeImpl;
  66 };
  67
  68 class wxFileTypeImpl
  69 {
  70 public:
  71     //kind of nutty, but mimecmn.cpp creates one with an empty new
  72     wxFileTypeImpl() : m_manager(NULL) {}
  73     ~wxFileTypeImpl() {} //for those broken compilers
  74
  75     // implement accessor functions
  76     bool GetExtensions(wxArrayString& extensions);
  77     bool GetMimeType(wxString *mimeType) const;
  78     bool GetMimeTypes(wxArrayString& mimeTypes) const;
  79     bool GetIcon(wxIconLocation *iconLoc) const;
  80     bool GetDescription(wxString *desc) const;
  81     bool GetOpenCommand(wxString *openCmd,
  82                         const wxFileType::MessageParameters&) const;
  83     bool GetPrintCommand(wxString *printCmd,
  84                          const wxFileType::MessageParameters&) const;
  85
  86     size_t GetAllCommands(wxArrayString * verbs, wxArrayString * commands,
  87                           const wxFileType::MessageParameters& params) const;
  88
  89     // remove the record for this file type
  90     // probably a mistake to come here, use wxMimeTypesManager.Unassociate (ft) instead
  91     bool Unassociate(wxFileType *ft)
  92     {
  93         return m_manager->Unassociate(ft);
  94     }
  95
  96     // set an arbitrary command, ask confirmation if it already exists and
  97     // overwriteprompt is TRUE
  98     bool SetCommand(const wxString& cmd, const wxString& verb, bool overwriteprompt = TRUE);
  99     bool SetDefaultIcon(const wxString& strIcon = wxEmptyString, int index = 0);
 100
 101  private:
 102     void Init(wxMimeTypesManagerImpl *manager, long lIndex)
 103     { m_manager=(manager); m_lIndex=(lIndex); }
 104
 105     // helper function
 106     wxString GetCommand(const wxString& verb) const;
 107
 108     wxMimeTypesManagerImpl *m_manager;
 109     long                    m_lIndex;
 110
 111     void* pReserved1;
 112     void* pReserved2;
 113     void* pReserved3;
 114     void* pReserved4;
 115     void* pReserved5;
 116     void* pReserved6;
 117
 118     friend class wxMimeTypesManagerImpl;
 119 };
 120
 121 #endif
 122     //_MIMETYPE_H