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