[gvfs] GVfsIcon: support icon serialisation

[Ryan Lortie <ryanl src gnome org>]

commit c9bbd01b70fea6488f48d2360893196295e13429
Author: Ryan Lortie <desrt desrt ca>
Date:   Sat Apr 20 19:35:34 2013 -0400

    GVfsIcon: support icon serialisation
    
    Add support for the new icon serialisation interface to GVfsIcon as well
    as implementing the new interface on GVfsClass for deserialising.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=688820

 client/gdaemonvfs.c |  8 ++++++++
 common/gvfsicon.c   | 34 ++++++++++++++++++++++++++++++++++
 common/gvfsicon.h   |  3 +++
 configure.ac        |  2 +-
 4 files changed, 46 insertions(+), 1 deletion(-)
---
diff --git a/client/gdaemonvfs.c b/client/gdaemonvfs.c
index b712b22..7c7f9a7 100644
--- a/client/gdaemonvfs.c
+++ b/client/gdaemonvfs.c
@@ -1473,6 +1473,13 @@ g_daemon_vfs_local_file_moved (GVfs       *vfs,
   meta_lookup_cache_free (cache);
 }
 
+static GIcon *
+g_daemon_vfs_deserialize_icon (GVfs     *vfs,
+                               GVariant *value)
+{
+  return g_vfs_icon_deserialize (value);
+}
+
 GDBusConnection *
 _g_daemon_vfs_get_async_bus (void)
 {
@@ -1515,6 +1522,7 @@ g_daemon_vfs_class_init (GDaemonVfsClass *class)
   vfs_class->local_file_set_attributes = g_daemon_vfs_local_file_set_attributes;
   vfs_class->local_file_removed = g_daemon_vfs_local_file_removed;
   vfs_class->local_file_moved = g_daemon_vfs_local_file_moved;
+  vfs_class->deserialize_icon = g_daemon_vfs_deserialize_icon;
 }
 
 /* Module API */
diff --git a/common/gvfsicon.c b/common/gvfsicon.c
index 318440c..3bacf8c 100644
--- a/common/gvfsicon.c
+++ b/common/gvfsicon.c
@@ -272,6 +272,39 @@ g_vfs_icon_from_tokens (gchar  **tokens,
   return icon;
 }
 
+static GVariant *
+g_vfs_icon_serialize (GIcon *icon)
+{
+  GVfsIcon *vfs_icon = G_VFS_ICON (icon);
+
+  return g_variant_new ("(@ss)",
+                        g_variant_new_take_string (g_mount_spec_to_string (vfs_icon->mount_spec)),
+                        vfs_icon->icon_id);
+}
+
+GIcon *
+g_vfs_icon_deserialize (GVariant *value)
+{
+  const gchar *mount_spec_str;
+  const gchar *id_str;
+  GMountSpec *mount_spec;
+  GIcon *icon;
+
+  if (!g_variant_is_of_type (value, G_VARIANT_TYPE ("(ss)")))
+    return NULL;
+
+  g_variant_get (value, "(&s&s)", &mount_spec_str, &id_str);
+
+  mount_spec = g_mount_spec_new_from_string (mount_spec_str, NULL);
+  if (mount_spec == NULL)
+    return NULL;
+
+  icon = g_vfs_icon_new (mount_spec, id_str);
+  g_mount_spec_unref (mount_spec);
+
+  return icon;
+}
+
 static void
 g_vfs_icon_icon_iface_init (GIconIface *iface)
 {
@@ -279,4 +312,5 @@ g_vfs_icon_icon_iface_init (GIconIface *iface)
   iface->equal = g_vfs_icon_equal;
   iface->to_tokens = g_vfs_icon_to_tokens;
   iface->from_tokens = g_vfs_icon_from_tokens;
+  iface->serialize = g_vfs_icon_serialize;
 }
diff --git a/common/gvfsicon.h b/common/gvfsicon.h
index 7ed0935..1bba7e7 100644
--- a/common/gvfsicon.h
+++ b/common/gvfsicon.h
@@ -61,9 +61,12 @@ GType  g_vfs_icon_get_type        (void) G_GNUC_CONST;
 GIcon *g_vfs_icon_new             (GMountSpec  *mount_spec,
                                    const gchar *icon_id);
 
+GIcon *g_vfs_icon_deserialize     (GVariant    *value);
+
 GMountSpec  *g_vfs_icon_get_mount_spec (GVfsIcon *vfs_icon);
 const gchar *g_vfs_icon_get_icon_id    (GVfsIcon *vfs_icon);
 
+
 G_END_DECLS
 
 #endif /* __G_VFS_ICON_H__ */
diff --git a/configure.ac b/configure.ac
index a63daf7..ab7c390 100644
--- a/configure.ac
+++ b/configure.ac
@@ -61,7 +61,7 @@ GTK_DOC_CHECK
 DISTCHECK_CONFIGURE_FLAGS="--enable-gtk-doc"
 AC_SUBST(DISTCHECK_CONFIGURE_FLAGS)
 
-PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.35.0 gobject-2.0 gmodule-no-export-2.0 gio-unix-2.0 gio-2.0 )
+PKG_CHECK_MODULES(GLIB, glib-2.0 >= 2.37.0 gobject-2.0 gmodule-no-export-2.0 gio-unix-2.0 gio-2.0 )
 
 PKG_CHECK_MODULES(DBUS, dbus-1)