[mutter] window-props: Use the standard property type system for WM_WINDOW_ROLE

[Jasper St. Pierre <jstpierre src gnome org>]

commit 031154a4002d59907102f79d2637d10266691199
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Jul 10 14:55:24 2014 -0400

    window-props: Use the standard property type system for WM_WINDOW_ROLE
    
    There seems to be no reason we can't just use this.

 src/x11/window-props.c |    6 ++++--
 src/x11/window-x11.c   |   23 -----------------------
 src/x11/window-x11.h   |    1 -
 3 files changed, 4 insertions(+), 26 deletions(-)
---
diff --git a/src/x11/window-props.c b/src/x11/window-props.c
index 10b2065..19e4cc4 100644
--- a/src/x11/window-props.c
+++ b/src/x11/window-props.c
@@ -334,7 +334,9 @@ reload_wm_window_role (MetaWindow    *window,
                        MetaPropValue *value,
                        gboolean       initial)
 {
-  meta_window_x11_update_role (window);
+  g_clear_pointer (&window->role, g_free);
+  if (value->type != META_PROP_VALUE_INVALID)
+    window->role = g_strdup (value->v.str);
 }
 
 static void
@@ -1698,7 +1700,7 @@ meta_display_init_window_prop_hooks (MetaDisplay *display)
     { display->atom__NET_WM_ICON_GEOMETRY, META_PROP_VALUE_CARDINAL_LIST, reload_icon_geometry,     FALSE, 
FALSE },
     { display->atom_WM_CLIENT_LEADER,  META_PROP_VALUE_INVALID, complain_about_broken_client, FALSE, FALSE },
     { display->atom_SM_CLIENT_ID,      META_PROP_VALUE_INVALID, complain_about_broken_client, FALSE, FALSE },
-    { display->atom_WM_WINDOW_ROLE,    META_PROP_VALUE_INVALID, reload_wm_window_role,         TRUE, FALSE },
+    { display->atom_WM_WINDOW_ROLE,    META_PROP_VALUE_STRING, reload_wm_window_role,         TRUE, FALSE },
     { display->atom__NET_WM_WINDOW_TYPE, META_PROP_VALUE_INVALID, reload_net_wm_window_type,  TRUE, TRUE },
     { display->atom__NET_WM_STRUT,         META_PROP_VALUE_INVALID, reload_struts,            FALSE, FALSE },
     { display->atom__NET_WM_STRUT_PARTIAL, META_PROP_VALUE_INVALID, reload_struts,            FALSE, FALSE },
diff --git a/src/x11/window-x11.c b/src/x11/window-x11.c
index 45b04d2..a3019df 100644
--- a/src/x11/window-x11.c
+++ b/src/x11/window-x11.c
@@ -1658,29 +1658,6 @@ meta_window_x11_update_net_wm_type (MetaWindow *window)
   meta_window_x11_recalc_window_type (window);
 }
 
-void
-meta_window_x11_update_role (MetaWindow *window)
-{
-  char *str;
-
-  g_return_if_fail (!window->override_redirect);
-
-  if (window->role)
-    g_free (window->role);
-  window->role = NULL;
-
-  if (meta_prop_get_latin1_string (window->display, window->xwindow,
-                                   window->display->atom_WM_WINDOW_ROLE,
-                                   &str))
-    {
-      window->role = g_strdup (str);
-      meta_XFree (str);
-    }
-
-  meta_verbose ("Updated role of %s to '%s'\n",
-                window->desc, window->role ? window->role : "null");
-}
-
 static void
 meta_window_set_opaque_region (MetaWindow     *window,
                                cairo_region_t *region)
diff --git a/src/x11/window-x11.h b/src/x11/window-x11.h
index cceb56e..9f5ce5b 100644
--- a/src/x11/window-x11.h
+++ b/src/x11/window-x11.h
@@ -55,7 +55,6 @@ void meta_window_x11_destroy_sync_request_alarm  (MetaWindow *window);
 void meta_window_x11_update_sync_request_counter (MetaWindow *window,
                                                   gint64      new_counter_value);
 
-void meta_window_x11_update_role                 (MetaWindow *window);
 void meta_window_x11_update_net_wm_type          (MetaWindow *window);
 void meta_window_x11_update_opaque_region        (MetaWindow *window);
 void meta_window_x11_update_input_region         (MetaWindow *window);