X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gio%2Fgnullsettingsbackend.c;h=9f8a34ce84fa9901b5919916d5fe37c577ddc915;hb=e608ec7b2e47d29fa189fca6e97f484f41c115a4;hp=e09ed9f8845ae04f49d02a83e95732641ad58ddf;hpb=45a1c41e8cfdeb4edeb7a671b95e599a49c6c281;p=platform%2Fupstream%2Fglib.git

diff --git a/gio/gnullsettingsbackend.c b/gio/gnullsettingsbackend.c
index e09ed9f..9f8a34c 100644
--- a/gio/gnullsettingsbackend.c
+++ b/gio/gnullsettingsbackend.c
@@ -12,16 +12,17 @@
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  *
  * Author: Ryan Lortie <desrt@desrt.ca>
  */
 
 #include "config.h"
 
-#include "gnullsettingsbackend.h"
+#include "gsettingsbackendinternal.h"
+#include "giomodule.h"
+#include "gsimplepermission.h"
+
 
 #define G_TYPE_NULL_SETTINGS_BACKEND    (g_null_settings_backend_get_type ())
 #define G_NULL_SETTINGS_BACKEND(inst)   (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
@@ -32,14 +33,17 @@
 typedef GSettingsBackendClass GNullSettingsBackendClass;
 typedef GSettingsBackend      GNullSettingsBackend;
 
-G_DEFINE_TYPE (GNullSettingsBackend,
-               g_null_settings_backend,
-               G_TYPE_SETTINGS_BACKEND)
+G_DEFINE_TYPE_WITH_CODE (GNullSettingsBackend,
+                         g_null_settings_backend,
+                         G_TYPE_SETTINGS_BACKEND,
+                         g_io_extension_point_implement (G_SETTINGS_BACKEND_EXTENSION_POINT_NAME,
+                                                         g_define_type_id, "null", 10))
 
 static GVariant *
 g_null_settings_backend_read (GSettingsBackend   *backend,
                               const gchar        *key,
-                              const GVariantType *expected_type)
+                              const GVariantType *expected_type,
+                              gboolean            default_value)
 {
   return NULL;
 }
@@ -50,14 +54,27 @@ g_null_settings_backend_write (GSettingsBackend *backend,
                                GVariant         *value,
                                gpointer          origin_tag)
 {
+  if (value)
+    g_variant_unref (g_variant_ref_sink (value));
+  return FALSE;
+}
+
+static gboolean
+g_null_settings_backend_write_one (gpointer key,
+                                   gpointer value,
+                                   gpointer data)
+{
+  if (value)
+    g_variant_unref (g_variant_ref_sink (value));
   return FALSE;
 }
 
 static gboolean
-g_null_settings_backend_write_keys (GSettingsBackend *backend,
+g_null_settings_backend_write_tree (GSettingsBackend *backend,
                                     GTree            *tree,
                                     gpointer          origin_tag)
 {
+  g_tree_foreach (tree, g_null_settings_backend_write_one, backend);
   return FALSE;
 }
 
@@ -68,20 +85,20 @@ g_null_settings_backend_reset (GSettingsBackend *backend,
 {
 }
 
-static void
-g_null_settings_backend_reset_path (GSettingsBackend *backend,
-                                    const gchar      *path,
-                                    gpointer          origin_tag)
-{
-}
-
 static gboolean
 g_null_settings_backend_get_writable (GSettingsBackend *backend,
-                                        const gchar      *name)
+                                      const gchar      *name)
 {
   return FALSE;
 }
 
+static GPermission *
+g_null_settings_backend_get_permission (GSettingsBackend *backend,
+                                        const gchar      *path)
+{
+  return g_simple_permission_new (FALSE);
+}
+
 static void
 g_null_settings_backend_init (GNullSettingsBackend *memory)
 {
@@ -94,12 +111,25 @@ g_null_settings_backend_class_init (GNullSettingsBackendClass *class)
 
   backend_class->read = g_null_settings_backend_read;
   backend_class->write = g_null_settings_backend_write;
-  backend_class->write_keys = g_null_settings_backend_write_keys;
+  backend_class->write_tree = g_null_settings_backend_write_tree;
   backend_class->reset = g_null_settings_backend_reset;
-  backend_class->reset_path = g_null_settings_backend_reset_path;
   backend_class->get_writable = g_null_settings_backend_get_writable;
+  backend_class->get_permission = g_null_settings_backend_get_permission;
 }
 
+/**
+ * g_null_settings_backend_new:
+ *
+ *
+ * Creates a readonly #GSettingsBackend.
+ *
+ * This backend does not allow changes to settings, so all settings
+ * will always have their default values.
+ *
+ * Returns: (transfer full): a newly created #GSettingsBackend
+ *
+ * Since: 2.28
+ */
 GSettingsBackend *
 g_null_settings_backend_new (void)
 {