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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 // we crash on exit later (i.e. after main() finishes) if we unload this
77 // library, apparently it inserts some hooks in other libraries to which we
78 // link implicitly (GTK+ itself?) which are not uninstalled when it's
79 // unloaded resulting in this crash, so just leave it in memory -- it's a
80 // lesser evil
81 m_libGnomeVFS.Detach();
82 }
83
84 bool wxGnomeVFSLibrary::IsOk()
85 {
86 return m_ok;
87 }
88
89 bool wxGnomeVFSLibrary::InitializeMethods()
90 {
91 wxDL_METHOD_LOAD( m_libGnomeVFS, gnome_vfs_init );
92 wxDL_METHOD_LOAD( m_libGnomeVFS, gnome_vfs_shutdown );
93
94 return true;
95 }
96
97 static wxGnomeVFSLibrary* gs_lgvfs = NULL;
98
99 //----------------------------------------------------------------------------
100 // wxGnomeVFSMimeTypesManagerFactory
101 //----------------------------------------------------------------------------
102
103 wxMimeTypesManagerImpl *wxGnomeVFSMimeTypesManagerFactory::CreateMimeTypesManagerImpl()
104 {
105 return new wxGnomeVFSMimeTypesManagerImpl;
106 }
107
108
109 //----------------------------------------------------------------------------
110 // wxGnomeVFSMimeTypesManagerImpl
111 //----------------------------------------------------------------------------
112
113 bool wxGnomeVFSMimeTypesManagerImpl::DoAssociation(const wxString& strType,
114 const wxString& strIcon,
115 wxMimeTypeCommands *entry,
116 const wxArrayString& strExtensions,
117 const wxString& strDesc)
118 {
119 return AddToMimeData
120 (
121 strType,
122 strIcon,
123 entry,
124 strExtensions,
125 strDesc,
126 true
127 ) != wxNOT_FOUND;
128 }
129
130 //----------------------------------------------------------------------------
131 // wxGnomeVFSModule
132 //----------------------------------------------------------------------------
133
134 class wxGnomeVFSModule: public wxModule
135 {
136 public:
137 wxGnomeVFSModule() {}
138 bool OnInit();
139 void OnExit();
140
141 private:
142 DECLARE_DYNAMIC_CLASS(wxGnomeVFSModule)
143 };
144
145 bool wxGnomeVFSModule::OnInit()
146 {
147 gs_lgvfs = new wxGnomeVFSLibrary;
148 if (gs_lgvfs->IsOk())
149 {
150 if (gs_lgvfs->gnome_vfs_init())
151 wxMimeTypesManagerFactory::Set( new wxGnomeVFSMimeTypesManagerFactory );
152 }
153 return true;
154 }
155
156 void wxGnomeVFSModule::OnExit()
157 {
158 if (gs_lgvfs->IsOk())
159 gs_lgvfs->gnome_vfs_shutdown();
160
161 delete gs_lgvfs;
162 }
163
164 IMPLEMENT_DYNAMIC_CLASS(wxGnomeVFSModule, wxModule)
165
166 #endif // wxUSE_LIBGNOMEVFS && wxUSE_MIMETYPE