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 #include "wx/gtk/gnome/gvfs.h"
  19
  20 #if wxUSE_MIMETYPE && wxUSE_LIBGNOMEVFS
  21
  22 #include "wx/mimetype.h"
  23 #include "wx/gtk/private.h"
  24 #include "wx/module.h"
  25 #include "wx/dynlib.h"
  26 #include "wx/log.h"
  27
  28 #include <libgnomevfs/gnome-vfs-mime-handlers.h>
  29
  30 #include "wx/html/forcelnk.h"
  31 FORCE_LINK_ME(gnome_vfs)
  32
  33 //----------------------------------------------------------------------------
  34 // wxGnomeVFSLibrary
  35 //----------------------------------------------------------------------------
  36
  37 #define wxDL_METHOD_DEFINE( rettype, name, args, shortargs, defret ) \
  38     typedef rettype (* name ## Type) args ; \
  39     name ## Type pfn_ ## name; \
  40     rettype name args \
  41     { if (m_ok) return pfn_ ## name shortargs ; return defret; }
  42
  43 #define wxDL_METHOD_LOAD( lib, name, success ) \
  44     pfn_ ## name = (name ## Type) lib->GetSymbol( wxT(#name), &success ); \
  45     if (!success) return;
  46
  47 class wxGnomeVFSLibrary
  48 {
  49 public:
  50     wxGnomeVFSLibrary();
  51     ~wxGnomeVFSLibrary();
  52
  53     bool IsOk();
  54     void InitializeMethods();
  55
  56 private:
  57     bool              m_ok;
  58     wxDynamicLibrary *m_gnome_vfs_lib;
  59
  60 public:
  61     wxDL_METHOD_DEFINE( gboolean, gnome_vfs_init,
  62         (), (), FALSE )
  63     wxDL_METHOD_DEFINE( void, gnome_vfs_shutdown,
  64         (), (), /**/ )
  65
  66     wxDL_METHOD_DEFINE( GnomeVFSResult, gnome_vfs_mime_set_icon,
  67         (const char *mime_type, const char *filename), (mime_type, filename), GNOME_VFS_OK )
  68 };
  69
  70 wxGnomeVFSLibrary::wxGnomeVFSLibrary()
  71 {
  72     m_gnome_vfs_lib = NULL;
  73
  74     wxLogNull log;
  75
  76     m_gnome_vfs_lib = new wxDynamicLibrary( wxT("libgnomevfs-2.so.0") );
  77     m_ok = m_gnome_vfs_lib->IsLoaded();
  78     if (!m_ok) return;
  79
  80     InitializeMethods();
  81 }
  82
  83 wxGnomeVFSLibrary::~wxGnomeVFSLibrary()
  84 {
  85     if (m_gnome_vfs_lib)
  86         delete m_gnome_vfs_lib;
  87 }
  88
  89 bool wxGnomeVFSLibrary::IsOk()
  90 {
  91     return m_ok;
  92 }
  93
  94 void wxGnomeVFSLibrary::InitializeMethods()
  95 {
  96     m_ok = false;
  97     bool success;
  98
  99     wxDL_METHOD_LOAD( m_gnome_vfs_lib, gnome_vfs_init, success )
 100     wxDL_METHOD_LOAD( m_gnome_vfs_lib, gnome_vfs_shutdown, success )
 101
 102     m_ok = true;
 103 }
 104
 105 static wxGnomeVFSLibrary* gs_lgvfs = NULL;
 106
 107 //----------------------------------------------------------------------------
 108 // wxGnomeVFSMimeTypesManagerFactory
 109 //----------------------------------------------------------------------------
 110
 111 wxMimeTypesManagerImpl *wxGnomeVFSMimeTypesManagerFactory::CreateMimeTypesManagerImpl()
 112 {
 113     return new wxGnomeVFSMimeTypesManagerImpl;
 114 }
 115
 116
 117 //----------------------------------------------------------------------------
 118 // wxGnomeVFSMimeTypesManagerImpl
 119 //----------------------------------------------------------------------------
 120
 121 bool wxGnomeVFSMimeTypesManagerImpl::DoAssociation(const wxString& strType,
 122                        const wxString& strIcon,
 123                        wxMimeTypeCommands *entry,
 124                        const wxArrayString& strExtensions,
 125                        const wxString& strDesc)
 126 {
 127     int nIndex = AddToMimeData(strType, strIcon, entry, strExtensions, strDesc, true);
 128
 129     if ( nIndex == wxNOT_FOUND )
 130         return false;
 131
 132     if (m_mailcapStylesInited & wxMAILCAP_GNOME)
 133     {
 134         // User modificationt to the MIME database
 135         // are not supported :-)
 136     }
 137
 138     return false;
 139 }
 140
 141 //----------------------------------------------------------------------------
 142 // wxGnomeVFSModule
 143 //----------------------------------------------------------------------------
 144
 145 class wxGnomeVFSModule: public wxModule
 146 {
 147 public:
 148     wxGnomeVFSModule() {}
 149     bool OnInit();
 150     void OnExit();
 151
 152 private:
 153     DECLARE_DYNAMIC_CLASS(wxGnomeVFSModule)
 154 };
 155
 156 bool wxGnomeVFSModule::OnInit()
 157 {
 158     gs_lgvfs = new wxGnomeVFSLibrary;
 159     if (gs_lgvfs->IsOk())
 160     {
 161         if (gs_lgvfs->gnome_vfs_init())
 162             wxMimeTypesManagerFactory::SetFactory( new wxGnomeVFSMimeTypesManagerFactory );
 163     }
 164     return true;
 165 }
 166
 167 void wxGnomeVFSModule::OnExit()
 168 {
 169     if (gs_lgvfs->IsOk())
 170         gs_lgvfs->gnome_vfs_shutdown();
 171
 172     delete gs_lgvfs;
 173 }
 174
 175 IMPLEMENT_DYNAMIC_CLASS(wxGnomeVFSModule, wxModule)
 176
 177 #endif
 178     // wxUSE_LIBGNOMEVS
 179     // wxUSE_MIMETYPE