a11y: Use simple code for window name change tracking

Remove idle handler and omit checking if the name really was changed.
ATs will either have to live with the name not really changoing or we
should check in GtkWindow.

gtk/a11y/gailwindow.c

@@ -45,7 +45,6 @@ static void                  gail_window_init            (GailWindow   *accessib
 
 static void                  gail_window_real_initialize (AtkObject    *obj,
                                                           gpointer     data);
-static void                  gail_window_finalize        (GObject      *object);
 
 static const gchar* gail_window_get_name       (AtkObject     *accessible);
 
@@ -85,11 +84,8 @@ static void
 gail_window_class_init (GailWindowClass *klass)
 {
   GailWidgetClass *widget_class;
-  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
   AtkObjectClass  *class = ATK_OBJECT_CLASS (klass);
 
-  gobject_class->finalize = gail_window_finalize;
-
   widget_class = (GailWidgetClass*)klass;
   widget_class->focus_gtk = gail_window_real_focus_gtk;
   widget_class->notify_gtk = gail_window_real_notify_gtk;
@@ -185,7 +181,6 @@ gail_window_real_initialize (AtkObject *obj,
                              gpointer  data)
 {
   GtkWidget *widget = GTK_WIDGET (data);
-  GailWindow *window;
 
   /*
    * A GailWindow can be created for a GtkHandleBox or a GtkWindow
@@ -195,10 +190,6 @@ gail_window_real_initialize (AtkObject *obj,
 
   ATK_OBJECT_CLASS (gail_window_parent_class)->initialize (obj, data);
 
-  window = GAIL_WINDOW (obj);
-  window->name_change_handler = 0;
-  window->previous_name = g_strdup (gtk_window_get_title (GTK_WINDOW (data)));
-
   g_signal_connect (data,
                     "window_state_event",
                     G_CALLBACK (gail_window_state_event_gtk),
@@ -242,25 +233,6 @@ gail_window_real_initialize (AtkObject *obj,
     atk_object_notify_state_change (obj, ATK_STATE_SHOWING, 1);
 }
 
-static void
-gail_window_finalize (GObject *object)
-{
-  GailWindow* window = GAIL_WINDOW (object);
-
-  if (window->name_change_handler)
-    {
-      g_source_remove (window->name_change_handler);
-      window->name_change_handler = 0;
-    }
-  if (window->previous_name)
-    {
-      g_free (window->previous_name);
-      window->previous_name = NULL;
-    }
-
-  G_OBJECT_CLASS (gail_window_parent_class)->finalize (object);
-}
-
 static const gchar*
 gail_window_get_name (AtkObject *accessible)
 {
@@ -449,60 +421,17 @@ gail_window_ref_state_set (AtkObject *accessible)
   return state_set;
 }
 
-static gboolean
-idle_notify_name_change (gpointer data)
-{
-  GailWindow *window;
-  AtkObject *obj;
-
-  window = GAIL_WINDOW (data);
-  window->name_change_handler = 0;
-  if (gtk_accessible_get_widget (GTK_ACCESSIBLE (window)) == NULL)
-    return FALSE;
-
-  obj = ATK_OBJECT (window);
-  if (obj->name == NULL)
-    {
-    /*
-     * The title has changed so notify a change in accessible-name
-     */
-      g_object_notify (G_OBJECT (obj), "accessible-name");
-    }
-  g_signal_emit_by_name (obj, "visible_data_changed");
-
-  return FALSE;
-}
-
 static void
 gail_window_real_notify_gtk (GObject		*obj,
                              GParamSpec		*pspec)
 {
   GtkWidget *widget = GTK_WIDGET (obj);
   AtkObject* atk_obj = gtk_widget_get_accessible (widget);
-  GailWindow *window = GAIL_WINDOW (atk_obj);
-  const gchar *name;
-  gboolean name_changed = FALSE;
 
   if (strcmp (pspec->name, "title") == 0)
     {
-      name = gtk_window_get_title (GTK_WINDOW (widget));
-      if (name)
-        {
-         if (window->previous_name == NULL ||
-             strcmp (name, window->previous_name) != 0)
-           name_changed = TRUE;
-        }
-      else if (window->previous_name != NULL)
-        name_changed = TRUE;
-
-      if (name_changed)
-        {
-          g_free (window->previous_name);
-          window->previous_name = g_strdup (name);
-       
-          if (window->name_change_handler == 0)
-            window->name_change_handler = gdk_threads_add_idle (idle_notify_name_change, atk_obj);
-        }
+      g_object_notify (G_OBJECT (atk_obj), "accessible-name");
+      g_signal_emit_by_name (atk_obj, "visible_data_changed");
     }
   else
     GAIL_WIDGET_CLASS (gail_window_parent_class)->notify_gtk (obj, pspec);

gtk/a11y/gailwindow.h

@@ -37,9 +37,6 @@ typedef struct _GailWindowClass              GailWindowClass;
 struct _GailWindow
 {
   GailContainer parent;
-
-  guint name_change_handler;
-  gchar *previous_name;
 };
 
 GType gail_window_get_type (void);