[mutter] legacy-monitor-config: Let the manager listen on lid closed changes

[Jonas Ådahl <jadahl src gnome org>]

commit 57acbc53fb1d6afe7b87779f8a90685542804ade
Author: Jonas Ådahl <jadahl gmail com>
Date:   Sat Mar 4 15:18:29 2017 +0800

    legacy-monitor-config: Let the manager listen on lid closed changes
    
    This is in preparation for making config-manager work alongside the
    legacy configuration system.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777732

 src/backends/meta-monitor-config.c  |   12 +++---------
 src/backends/meta-monitor-config.h  |    3 +++
 src/backends/meta-monitor-manager.c |   13 ++-----------
 3 files changed, 8 insertions(+), 20 deletions(-)
---
diff --git a/src/backends/meta-monitor-config.c b/src/backends/meta-monitor-config.c
index 063a3da..0928342 100644
--- a/src/backends/meta-monitor-config.c
+++ b/src/backends/meta-monitor-config.c
@@ -96,9 +96,6 @@ static gboolean meta_monitor_config_assign_crtcs (MetaConfiguration  *config,
                                                   GPtrArray          *crtcs,
                                                   GPtrArray          *outputs);
 
-static void     power_client_changed_cb (MetaMonitorManager *manager,
-                                         gpointer    user_data);
-
 static void
 free_output_key (MetaOutputKey *key)
 {
@@ -794,8 +791,6 @@ meta_monitor_config_new (MetaMonitorManager *manager)
   self = g_object_new (META_TYPE_MONITOR_CONFIG, NULL);
 
   self->lid_is_closed = meta_monitor_manager_is_lid_closed (manager);
-  g_signal_connect_object (manager, "lid-is-closed-changed",
-                           G_CALLBACK (power_client_changed_cb), self, 0);
 
   meta_monitor_config_load (self);
 
@@ -1584,11 +1579,10 @@ turn_off_laptop_display (MetaMonitorConfig  *self,
   self->current_is_for_laptop_lid = TRUE;
 }
 
-static void
-power_client_changed_cb (MetaMonitorManager *manager,
-                         gpointer            user_data)
+void
+meta_monitor_config_lid_is_closed_changed (MetaMonitorConfig  *self,
+                                           MetaMonitorManager *manager)
 {
-  MetaMonitorConfig *self = user_data;
   gboolean is_closed;
 
   is_closed = meta_monitor_manager_is_lid_closed (manager);
diff --git a/src/backends/meta-monitor-config.h b/src/backends/meta-monitor-config.h
index cb88650..fff6f86 100644
--- a/src/backends/meta-monitor-config.h
+++ b/src/backends/meta-monitor-config.h
@@ -46,4 +46,7 @@ void               meta_monitor_config_restore_previous (MetaMonitorConfig  *con
 
 gboolean           meta_monitor_config_get_is_builtin_display_on (MetaMonitorConfig *config);
 
+void               meta_monitor_config_lid_is_closed_changed (MetaMonitorConfig  *self,
+                                                              MetaMonitorManager *manager);
+
 #endif /* META_MONITOR_CONFIG_H */
diff --git a/src/backends/meta-monitor-manager.c b/src/backends/meta-monitor-manager.c
index 4cd65c3..832dbea 100644
--- a/src/backends/meta-monitor-manager.c
+++ b/src/backends/meta-monitor-manager.c
@@ -45,7 +45,6 @@
 
 enum {
   CONFIRM_DISPLAY_CHANGE,
-  LID_IS_CLOSED_CHANGED,
   SIGNALS_LAST
 };
 
@@ -243,8 +242,8 @@ meta_monitor_manager_lid_is_closed_changed (MetaMonitorManager *manager)
 {
   if (manager->config_manager)
     meta_monitor_manager_ensure_configured (manager);
-
-  g_signal_emit (manager, signals[LID_IS_CLOSED_CHANGED], 0);
+  else
+    meta_monitor_config_lid_is_closed_changed (manager->legacy_config, manager);
 }
 
 static void
@@ -668,14 +667,6 @@ meta_monitor_manager_class_init (MetaMonitorManagerClass *klass)
                  0,
                   NULL, NULL, NULL,
                  G_TYPE_NONE, 0);
-
-  signals[LID_IS_CLOSED_CHANGED] =
-    g_signal_new ("lid-is-closed-changed",
-                 G_TYPE_FROM_CLASS (object_class),
-                 G_SIGNAL_RUN_LAST,
-                 0,
-                  NULL, NULL, NULL,
-                 G_TYPE_NONE, 0);
 }
 
 static const double known_diagonals[] = {