[clutter] clutter-actor: Make clutter_actor_has_mapped_clones public

[Adel Gadllah <agadllah src gnome org>]

commit 74ab8c3bdad5228f0f606b146b420f7f4df421bd
Author: Adel Gadllah <adel gadllah gmail com>
Date:   Wed Jul 17 12:33:48 2013 +0200

    clutter-actor: Make clutter_actor_has_mapped_clones public
    
    This allows some optimisations to be done that work when they are no clones.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=703336

 clutter/clutter-actor.c |   18 ++++++++++++++----
 clutter/clutter-actor.h |    7 +++++++
 2 files changed, 21 insertions(+), 4 deletions(-)
---
diff --git a/clutter/clutter-actor.c b/clutter/clutter-actor.c
index 1ea935a..720e973 100644
--- a/clutter/clutter-actor.c
+++ b/clutter/clutter-actor.c
@@ -1025,8 +1025,6 @@ static void clutter_actor_set_transform_internal (ClutterActor        *self,
 static void clutter_actor_set_child_transform_internal (ClutterActor        *self,
                                                         const ClutterMatrix *transform);
 
-static inline gboolean clutter_actor_has_mapped_clones (ClutterActor *self);
-
 static GQuark quark_actor_layout_info = 0;
 static GQuark quark_actor_transform_info = 0;
 static GQuark quark_actor_animation_info = 0;
@@ -17950,13 +17948,25 @@ _clutter_actor_queue_relayout_on_clones (ClutterActor *self)
     clutter_actor_queue_relayout (key);
 }
 
-static inline gboolean
+/**
+ * clutter_actor_has_mapped_clones:
+ * @self: a #ClutterActor
+ *
+ * Returns whether the actor has any mapped clones.
+ *
+ * Since: 1.16
+ */
+gboolean
 clutter_actor_has_mapped_clones (ClutterActor *self)
 {
-  ClutterActorPrivate *priv = self->priv;
+  ClutterActorPrivate *priv;
   GHashTableIter iter;
   gpointer key;
 
+  g_return_val_if_fail (CLUTTER_IS_ACTOR (self), FALSE);
+
+  priv = self->priv;
+
   if (priv->clones == NULL)
     return FALSE;
 
diff --git a/clutter/clutter-actor.h b/clutter/clutter-actor.h
index 95364ea..9bebb23 100644
--- a/clutter/clutter-actor.h
+++ b/clutter/clutter-actor.h
@@ -730,6 +730,13 @@ void                            clutter_actor_remove_transition
 
 void                            clutter_actor_remove_all_transitions            (ClutterActor               
*self);
 
+
+/* Experimental API */
+#ifdef CLUTTER_ENABLE_EXPERIMENTAL_API
+CLUTTER_AVAILABLE_IN_1_16
+gboolean                        clutter_actor_has_mapped_clones                 (ClutterActor *self);
+#endif
+
 G_END_DECLS
 
 #endif /* __CLUTTER_ACTOR_H__ */