* AT-SPI - Assistive Technology Service Provider Interface
* (Gnome Accessibility Project; http://developer.gnome.org/projects/gap)
*
+ * Copyright 2011, F123 Consulting & Mais Diferenças
* Copyright 2008, 2009, Codethink Ltd.
* Copyright 2001, 2002, 2003 Sun Microsystems Inc.,
* Copyright 2001, 2002, 2003 Ximian, Inc.
* and stores the signal id returned so that the function may be
* de-registered later.
*/
-static void
+static guint
add_signal_listener (GSignalEmissionHook listener, const char *signal_name)
{
guint id;
id = atk_add_global_event_listener (listener, signal_name);
- g_array_append_val (listener_ids, id);
+
+ if (id > 0) /* id == 0 is a failure */
+ g_array_append_val (listener_ids, id);
+
+ return id;
}
/*
*/
GObject *ao = g_object_new (ATK_TYPE_OBJECT, NULL);
AtkObject *bo = atk_no_op_object_new (ao);
+ guint id = 0;
g_object_unref (G_OBJECT (bo));
g_object_unref (ao);
add_signal_listener (property_event_listener,
"Gtk:AtkObject:property-change");
- add_signal_listener (window_event_listener, "window:create");
- add_signal_listener (window_event_listener, "window:destroy");
- add_signal_listener (window_event_listener, "window:minimize");
- add_signal_listener (window_event_listener, "window:maximize");
- add_signal_listener (window_event_listener, "window:restore");
- add_signal_listener (window_event_listener, "window:activate");
- add_signal_listener (window_event_listener, "window:deactivate");
+
+ /* window events: we tentative try to register using the old format */
+ id = add_signal_listener (window_event_listener, "window:create");
+
+ if (id != 0)
+ {
+ /* If we are able to register using the old format, we assume
+ * that the ATK implementor is managing window events without
+ * AtkWindow. We can't use the opposite test because after
+ * including AtkWindow on ATK you would be able to register to
+ * that event, although the ATK implementor could or not use it.
+ */
+
+ add_signal_listener (window_event_listener, "window:destroy");
+ add_signal_listener (window_event_listener, "window:minimize");
+ add_signal_listener (window_event_listener, "window:maximize");
+ add_signal_listener (window_event_listener, "window:restore");
+ add_signal_listener (window_event_listener, "window:activate");
+ add_signal_listener (window_event_listener, "window:deactivate");
+ }
+ else
+ {
+ add_signal_listener (window_event_listener, "Atk:AtkWindow:create");
+ add_signal_listener (window_event_listener, "Atk:AtkWindow:destroy");
+ add_signal_listener (window_event_listener, "Atk:AtkWindow:minimize");
+ add_signal_listener (window_event_listener, "Atk:AtkWindow:maximize");
+ add_signal_listener (window_event_listener, "Atk:AtkWindow:restore");
+ add_signal_listener (window_event_listener, "Atk:AtkWindow:activate");
+ add_signal_listener (window_event_listener, "Atk:AtkWindow:deactivate");
+ }
+
add_signal_listener (document_event_listener,
"Gtk:AtkDocument:load-complete");
add_signal_listener (document_event_listener, "Gtk:AtkDocument:reload");