[mutter] window-props: Fizzle out PropertyNotifies that happen after initial map

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

commit b87db00fdb550ebb40288dd2f0f76010ab2df554
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Jul 10 14:33:49 2014 -0400

    window-props: Fizzle out PropertyNotifies that happen after initial map
    
    Properties like _NET_WM_DESKTOP and _NET_WM_STATE are supposed to be
    ignored after the initial map of the window, so ignore any
    PropertyNotifies for these.

 src/x11/window-props.c |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)
---
diff --git a/src/x11/window-props.c b/src/x11/window-props.c
index 8e0efe0..164a173 100644
--- a/src/x11/window-props.c
+++ b/src/x11/window-props.c
@@ -63,6 +63,7 @@ typedef enum {
   NONE       = 0,
   LOAD_INIT  = (1 << 0),
   INCLUDE_OR = (1 << 1),
+  INIT_ONLY  = (1 << 2),
 } MetaPropHookFlags;
 
 struct _MetaWindowPropHooks
@@ -97,6 +98,9 @@ meta_window_reload_property_from_xwindow (MetaWindow      *window,
   if (!hooks)
     return;
 
+  if ((hooks->flags & INIT_ONLY) && !initial)
+    return;
+
   init_prop_value (window, hooks, &value);
 
   meta_prop_get_values (window->display, xwindow,
@@ -1709,14 +1713,14 @@ meta_display_init_window_prop_hooks (MetaDisplay *display)
     { XA_WM_NAME,                      META_PROP_VALUE_TEXT_PROPERTY, reload_wm_name,      LOAD_INIT | 
INCLUDE_OR },
     { display->atom__MUTTER_HINTS,     META_PROP_VALUE_TEXT_PROPERTY, reload_mutter_hints, LOAD_INIT | 
INCLUDE_OR },
     { display->atom__NET_WM_OPAQUE_REGION, META_PROP_VALUE_CARDINAL_LIST, reload_opaque_region, LOAD_INIT | 
INCLUDE_OR },
-    { display->atom__NET_WM_DESKTOP,   META_PROP_VALUE_CARDINAL, reload_net_wm_desktop,    LOAD_INIT },
+    { display->atom__NET_WM_DESKTOP,   META_PROP_VALUE_CARDINAL, reload_net_wm_desktop,    LOAD_INIT | 
INIT_ONLY },
     { display->atom__NET_STARTUP_ID,   META_PROP_VALUE_UTF8,     reload_net_startup_id,    LOAD_INIT },
     { display->atom__NET_WM_SYNC_REQUEST_COUNTER, META_PROP_VALUE_SYNC_COUNTER_LIST, reload_update_counter, 
LOAD_INIT | INCLUDE_OR },
     { XA_WM_NORMAL_HINTS,              META_PROP_VALUE_SIZE_HINTS, reload_normal_hints,    LOAD_INIT },
     { display->atom_WM_PROTOCOLS,      META_PROP_VALUE_ATOM_LIST, reload_wm_protocols,     LOAD_INIT },
     { XA_WM_HINTS,                     META_PROP_VALUE_WM_HINTS,  reload_wm_hints,         LOAD_INIT },
     { display->atom__NET_WM_USER_TIME, META_PROP_VALUE_CARDINAL, reload_net_wm_user_time,  LOAD_INIT },
-    { display->atom__NET_WM_STATE,     META_PROP_VALUE_ATOM_LIST, reload_net_wm_state,     LOAD_INIT },
+    { display->atom__NET_WM_STATE,     META_PROP_VALUE_ATOM_LIST, reload_net_wm_state,     LOAD_INIT | 
INIT_ONLY },
     { display->atom__MOTIF_WM_HINTS,   META_PROP_VALUE_MOTIF_HINTS, reload_mwm_hints,      LOAD_INIT },
     { XA_WM_TRANSIENT_FOR,             META_PROP_VALUE_WINDOW,    reload_transient_for,    LOAD_INIT },
     { display->atom__GTK_THEME_VARIANT, META_PROP_VALUE_UTF8,     reload_gtk_theme_variant, LOAD_INIT },