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