When an object goes away, remove from queue of pending cache additions

Items are added to the cache in an idle (see commit 75ff19), meaning
that it is possible for an object to go away between the time it is
queued for addition and the time the additions are made.

https://bugzilla.gnome.org/show_bug.cgi?id=666371

diff --git a/atk-adaptor/accessible-cache.c b/atk-adaptor/accessible-cache.c
index fa6b561e9668dfe77e92e9442f4bfb6d603f5d12..943a3206fafc293e13432954b61f90e7f97f3379 100644 (file)
--- a/atk-adaptor/accessible-cache.c
+++ b/atk-adaptor/accessible-cache.c
@@ -179,6 +179,8 @@ remove_object (GObject * source, GObject * gobj, gpointer data)
       g_signal_emit (cache, cache_signals [OBJECT_REMOVED], 0, gobj);
       g_hash_table_remove (cache->objects, gobj);
     }
+  else
+    g_queue_remove (cache->add_traversal, gobj);
 }
 
 static void