[gnome-control-center] background: Use objects for CcBackgroundItem storage

[Bastien Nocera <hadess src gnome org>]

commit db0b5b1195a4fea930871143e9326b517b748ddf
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Feb 14 18:11:04 2011 +0000

    background: Use objects for CcBackgroundItem storage
    
    So that we don't need to unref the items in the list store by hand.

 panels/background/background.ui |    2 +-
 panels/background/bg-source.c   |   20 +-------------------
 2 files changed, 2 insertions(+), 20 deletions(-)
---
diff --git a/panels/background/background.ui b/panels/background/background.ui
index a1ccfbf..ee475d7 100644
--- a/panels/background/background.ui
+++ b/panels/background/background.ui
@@ -7,7 +7,7 @@
       <!-- column-name gicon -->
       <column type="GIcon"/>
       <!-- column-name data -->
-      <column type="gpointer"/>
+      <column type="GObject"/>
       <!-- column-name source-id -->
       <column type="guint"/>
     </columns>
diff --git a/panels/background/bg-source.c b/panels/background/bg-source.c
index 6b81eee..240a154 100644
--- a/panels/background/bg-source.c
+++ b/panels/background/bg-source.c
@@ -70,22 +70,6 @@ bg_source_set_property (GObject      *object,
     }
 }
 
-static gboolean
-free_tree_model_items (GtkTreeModel *model,
-                       GtkTreePath  *path,
-                       GtkTreeIter  *iter,
-                       gpointer      data)
-{
-  CcBackgroundItem *item = NULL;
-
-  gtk_tree_model_get (model, iter, 1, &item, -1);
-
-  if (item)
-    g_object_unref (item);
-
-  return FALSE;
-}
-
 static void
 bg_source_dispose (GObject *object)
 {
@@ -93,8 +77,6 @@ bg_source_dispose (GObject *object)
 
   if (priv->store)
     {
-      gtk_tree_model_foreach (GTK_TREE_MODEL (priv->store),
-                              free_tree_model_items, NULL);
       g_object_unref (priv->store);
       priv->store = NULL;
     }
@@ -136,7 +118,7 @@ bg_source_init (BgSource *self)
 
   priv = self->priv = SOURCE_PRIVATE (self);
 
-  priv->store = gtk_list_store_new (2, G_TYPE_ICON, G_TYPE_POINTER);
+  priv->store = gtk_list_store_new (2, G_TYPE_ICON, G_TYPE_OBJECT);
 }
 
 GtkListStore*