2009-03-12 Mark Doffman <mark.doffman@codethink.co.uk>

        * atk-adaptor/accessible-register.c
          Add 'object:children-changed' signal emission
          on addition or removal of top-level objects.
        * pyatspi/*
          Changes neccessary to have accercier pick up new
          top level windows. Add correct hash function to accessible
          objects.

1 files changed, 67 insertions, 1 deletions

diff --git a/atk-adaptor/accessible-register.c b/atk-adaptor/accessible-register.c
index 494763b..d235c2e 100644
--- a/atk-adaptor/accessible-register.c
+++ b/atk-adaptor/accessible-register.c
@@ -489,6 +489,7 @@ tree_update_children_listener (GSignalInvocationHint *signal_hint,
 #endif
             }
           register_subtree (child);
+          update_accessible (accessible);
         }
 
       recursion_check_unset ();
@@ -499,6 +500,63 @@ tree_update_children_listener (GSignalInvocationHint *signal_hint,
   return TRUE;
 }
 
+static void
+spi_atk_register_toplevel_added (AtkObject *accessible,
+                                 guint     index,
+                                 AtkObject *child)
+{
+  g_static_rec_mutex_lock (&registration_mutex);
+
+  g_return_if_fail (ATK_IS_OBJECT (accessible));
+
+  if (object_to_ref (accessible))
+    {
+#ifdef SPI_ATK_DEBUG
+      if (recursion_check_and_set ())
+          g_warning ("AT-SPI: Recursive use of registration module");
+
+      g_debug ("AT-SPI: Toplevel added listener");
+#endif
+      if (!ATK_IS_OBJECT (child))
+        {
+          child = atk_object_ref_accessible_child (accessible, index);
+#ifdef SPI_ATK_DEBUG
+          non_owned_accessible (child);
+#endif
+        }
+      register_subtree (child);
+      update_accessible (accessible);
+
+      recursion_check_unset ();
+    }
+
+  g_static_rec_mutex_unlock (&registration_mutex);
+}
+
+static void
+spi_atk_register_toplevel_removed (AtkObject *accessible,
+                                   guint     index,
+                                   AtkObject *child)
+{
+  g_static_rec_mutex_lock (&registration_mutex);
+
+  g_return_if_fail (ATK_IS_OBJECT (accessible));
+
+  if (object_to_ref (accessible))
+    {
+#ifdef SPI_ATK_DEBUG
+      if (recursion_check_and_set ())
+          g_warning ("AT-SPI: Recursive use of registration module");
+
+      g_debug ("AT-SPI: Toplevel removed listener");
+#endif
+      update_accessible (accessible);
+      recursion_check_unset ();
+    }
+
+  g_static_rec_mutex_unlock (&registration_mutex);
+}
+
 /*
  * Initializes required global data. The update and removal lists
  * and the reference lookup tables.
@@ -522,7 +580,15 @@ atk_dbus_initialize (AtkObject *root)
 
   atk_add_global_event_listener (tree_update_listener, "Gtk:AtkObject:property-change");
   atk_add_global_event_listener (tree_update_children_listener, "Gtk:AtkObject:children-changed");
+
+  g_signal_connect (root,
+                    "children-changed::add",
+                    (GCallback) spi_atk_register_toplevel_added,
+                    NULL);
+  g_signal_connect (root,
+                    "children-changed::remove",
+                    (GCallback) spi_atk_register_toplevel_removed,
+                    NULL);
 }
 
 /*END------------------------------------------------------------------------*/
-