canvas layer: find the top item for only valids.

In some case, top layer doesn't have valid objects,
That case, we must find and return top object in the next layer.

Change-Id: I3c6fc8a683a1b3673a06f8e544a04809ed3a353e

diff --git a/src/lib/evas/canvas/evas_stack.x b/src/lib/evas/canvas/evas_stack.x
index 914d04731e1b38c861c16e95758a63de950475ca..333932f4bd755e38170f65ea3550db5fde980dc1 100644 (file)
--- a/src/lib/evas/canvas/evas_stack.x
+++ b/src/lib/evas/canvas/evas_stack.x
@@ -400,8 +400,9 @@ _evas_canvas_object_top_get(const Eo *eo_e EINA_UNUSED, Evas_Public_Data *e)
    list = EINA_INLIST_GET(e->layers);
    if (!list) return NULL;
 
-   layer = (Evas_Layer *) list->last;
-   if (!layer) return NULL;
+   //just in case if layer has no valid objects in the list.
+   EINA_INLIST_REVERSE_FOREACH(list, layer)
+     if (layer->objects) break;
 
    list = EINA_INLIST_GET(layer->objects);
    if (!list) return NULL;