src/gtk/gnome/gvfs.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/gnome/gvfs.cpp
   3 // Author:      Robert Roebling
   4 // Purpose:     Implement GNOME VFS support
   5 // Created:     03/17/06
   6 // RCS-ID:      $Id$
   7 // Copyright:   Robert Roebling
   8 // Licence:     wxWindows Licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx/wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_MIMETYPE && wxUSE_LIBGNOMEVFS
  19
  20 #include "wx/gtk/gnome/gvfs.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/log.h"
  24     #include "wx/module.h"
  25 #endif
  26
  27 #include "wx/mimetype.h"
  28 #include "wx/dynlib.h"
  29
  30 #include <libgnomevfs/gnome-vfs-mime-handlers.h>
  31
  32 #include "wx/link.h"
  33 wxFORCE_LINK_THIS_MODULE(gnome_vfs)
  34
  35 //----------------------------------------------------------------------------
  36 // wxGnomeVFSLibrary
  37 //----------------------------------------------------------------------------
  38
  39 class wxGnomeVFSLibrary
  40 {
  41 public:
  42     wxGnomeVFSLibrary();
  43     ~wxGnomeVFSLibrary();
  44     bool IsOk();
  45
  46 private:
  47     bool InitializeMethods();
  48
  49     wxDynamicLibrary m_libGnomeVFS;
  50
  51     // only true if we successfully loaded the library above
  52     //
  53     // don't rename this field, it's used by wxDL_XXX macros internally
  54     bool m_ok;
  55
  56 public:
  57     wxDL_METHOD_DEFINE( gboolean, gnome_vfs_init,
  58         (), (), FALSE )
  59     wxDL_VOIDMETHOD_DEFINE( gnome_vfs_shutdown,
  60         (), () )
  61
  62     wxDL_METHOD_DEFINE( GnomeVFSResult, gnome_vfs_mime_set_icon,
  63         (const char *mime_type, const char *filename), (mime_type, filename), GNOME_VFS_OK )
  64 };
  65
  66 wxGnomeVFSLibrary::wxGnomeVFSLibrary()
  67 {
  68     wxLogNull log;
  69
  70     m_libGnomeVFS.Load("libgnomevfs-2.so.0");
  71     m_ok = m_libGnomeVFS.IsLoaded() && InitializeMethods();
  72 }
  73
  74 wxGnomeVFSLibrary::~wxGnomeVFSLibrary()
  75 {
  76 }
  77
  78 bool wxGnomeVFSLibrary::IsOk()
  79 {
  80     return m_ok;
  81 }
  82
  83 bool wxGnomeVFSLibrary::InitializeMethods()
  84 {
  85     wxDL_METHOD_LOAD( m_libGnomeVFS, gnome_vfs_init );
  86     wxDL_METHOD_LOAD( m_libGnomeVFS, gnome_vfs_shutdown );
  87
  88     return true;
  89 }
  90
  91 static wxGnomeVFSLibrary* gs_lgvfs = NULL;
  92
  93 //----------------------------------------------------------------------------
  94 // wxGnomeVFSMimeTypesManagerFactory
  95 //----------------------------------------------------------------------------
  96
  97 wxMimeTypesManagerImpl *wxGnomeVFSMimeTypesManagerFactory::CreateMimeTypesManagerImpl()
  98 {
  99     return new wxGnomeVFSMimeTypesManagerImpl;
 100 }
 101
 102
 103 //----------------------------------------------------------------------------
 104 // wxGnomeVFSMimeTypesManagerImpl
 105 //----------------------------------------------------------------------------
 106
 107 bool wxGnomeVFSMimeTypesManagerImpl::DoAssociation(const wxString& strType,
 108                        const wxString& strIcon,
 109                        wxMimeTypeCommands *entry,
 110                        const wxArrayString& strExtensions,
 111                        const wxString& strDesc)
 112 {
 113     int nIndex = AddToMimeData(strType, strIcon, entry, strExtensions, strDesc, true);
 114
 115     if ( nIndex == wxNOT_FOUND )
 116         return false;
 117
 118     if (m_mailcapStylesInited & wxMAILCAP_GNOME)
 119     {
 120         // User modificationt to the MIME database
 121         // are not supported :-)
 122     }
 123
 124     return false;
 125 }
 126
 127 //----------------------------------------------------------------------------
 128 // wxGnomeVFSModule
 129 //----------------------------------------------------------------------------
 130
 131 class wxGnomeVFSModule: public wxModule
 132 {
 133 public:
 134     wxGnomeVFSModule() {}
 135     bool OnInit();
 136     void OnExit();
 137
 138 private:
 139     DECLARE_DYNAMIC_CLASS(wxGnomeVFSModule)
 140 };
 141
 142 bool wxGnomeVFSModule::OnInit()
 143 {
 144     gs_lgvfs = new wxGnomeVFSLibrary;
 145     if (gs_lgvfs->IsOk())
 146     {
 147         if (gs_lgvfs->gnome_vfs_init())
 148             wxMimeTypesManagerFactory::Set( new wxGnomeVFSMimeTypesManagerFactory );
 149     }
 150     return true;
 151 }
 152
 153 void wxGnomeVFSModule::OnExit()
 154 {
 155     if (gs_lgvfs->IsOk())
 156         gs_lgvfs->gnome_vfs_shutdown();
 157
 158     delete gs_lgvfs;
 159 }
 160
 161 IMPLEMENT_DYNAMIC_CLASS(wxGnomeVFSModule, wxModule)
 162
 163 #endif // wxUSE_LIBGNOMEVFS && wxUSE_MIMETYPE