Related: tdf#92293 gtk3 a11y: I suspect that all of this is redundant

in favor of hooking in via get_accessible

Change-Id: I8c265e0d9a5f8bdf02b7ba4be71fc58194cf5aa4
(cherry picked from commit aff0d4b2)

vcl/unx/gtk/a11y/atkbridge.cxx

@@ -27,6 +27,9 @@
 
 bool InitAtkBridge()
 {
+#if GTK_CHECK_VERSION(3,0,0)
+    ooo_atk_util_ensure_event_listener();
+#else
     const char* pVersion = atk_get_toolkit_version();
     if( ! pVersion )
         return false;
@@ -56,13 +59,15 @@ bool InitAtkBridge()
     AtkRegistry * registry = atk_get_default_registry();
     if( registry )
         atk_registry_set_factory_type( registry, OOO_TYPE_FIXED, OOO_TYPE_WRAPPER_FACTORY );
-
+#endif
     return true;
 }
 
 void DeInitAtkBridge()
 {
+#if !GTK_CHECK_VERSION(3,0,0)
     restore_gail_window_vtable();
+#endif
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/unx/gtk/a11y/atkutil.cxx

@@ -714,12 +714,20 @@ ooo_atk_util_class_init (AtkUtilClass *)
     atk_class->get_toolkit_name = ooo_atk_util_get_toolkit_name;
     atk_class->get_toolkit_version = ooo_atk_util_get_toolkit_version;
 
-    Application::AddEventListener( g_aEventListenerLink );
+    ooo_atk_util_ensure_event_listener();
 }
 
 } // extern "C"
 
-/*****************************************************************************/
+void ooo_atk_util_ensure_event_listener()
+{
+    static bool bInited;
+    if (!bInited)
+    {
+        Application::AddEventListener( g_aEventListenerLink );
+        bInited = true;
+    }
+}
 
 GType
 ooo_atk_util_get_type()

vcl/unx/gtk/a11y/atkutil.hxx

@@ -25,6 +25,7 @@
 #define OOO_TYPE_ATK_UTIL ooo_atk_util_get_type()
 
 GType ooo_atk_util_get_type();
+void ooo_atk_util_ensure_event_listener();
 
 #endif