[mutter] monitor-manager: Put the common hotplug code in a common path as well

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

commit cc8462969d479813e3d4289c62ae0356ca1be218
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Sun Oct 12 15:13:15 2014 -0700

    monitor-manager: Put the common hotplug code in a common path as well
    
    So we can reuse it in the KMS backend.

 src/backends/meta-monitor-manager.c            |   20 ++++++++++++++++++++
 src/backends/meta-monitor-manager.h            |    1 +
 src/backends/x11/meta-monitor-manager-xrandr.c |   18 +++---------------
 3 files changed, 24 insertions(+), 15 deletions(-)
---
diff --git a/src/backends/meta-monitor-manager.c b/src/backends/meta-monitor-manager.c
index 000e890..59c7154 100644
--- a/src/backends/meta-monitor-manager.c
+++ b/src/backends/meta-monitor-manager.c
@@ -1178,3 +1178,23 @@ meta_monitor_manager_rebuild_derived (MetaMonitorManager *manager)
 
   g_free (old_monitor_infos);
 }
+
+void
+meta_monitor_manager_on_hotplug (MetaMonitorManager *manager)
+{
+  gboolean applied_config = FALSE;
+
+  /* If the monitor has hotplug_mode_update (which is used by VMs), don't bother
+   * applying our stored configuration, because it's likely the user just resizing
+   * the window.
+   */
+  if (!meta_monitor_manager_has_hotplug_mode_update (manager))
+    {
+      if (meta_monitor_config_apply_stored (manager->config, manager))
+        applied_config = TRUE;
+    }
+
+  /* If we haven't applied any configuration, apply the default configuration. */
+  if (!applied_config)
+    meta_monitor_config_make_default (manager->config, manager);
+}
diff --git a/src/backends/meta-monitor-manager.h b/src/backends/meta-monitor-manager.h
index 9452d9c..4d1b3b7 100644
--- a/src/backends/meta-monitor-manager.h
+++ b/src/backends/meta-monitor-manager.h
@@ -341,6 +341,7 @@ void               meta_output_info_free (MetaOutputInfo *info);
 
 gboolean           meta_monitor_manager_has_hotplug_mode_update (MetaMonitorManager *manager);
 void               meta_monitor_manager_read_current_config (MetaMonitorManager *manager);
+void               meta_monitor_manager_on_hotplug (MetaMonitorManager *manager);
 
 /* Returns true if transform causes width and height to be inverted
    This is true for the odd transforms in the enum */
diff --git a/src/backends/x11/meta-monitor-manager-xrandr.c b/src/backends/x11/meta-monitor-manager-xrandr.c
index 483b199..f93390d 100644
--- a/src/backends/x11/meta-monitor-manager-xrandr.c
+++ b/src/backends/x11/meta-monitor-manager-xrandr.c
@@ -1061,7 +1061,6 @@ meta_monitor_manager_xrandr_handle_xevent (MetaMonitorManagerXrandr *manager_xra
 {
   MetaMonitorManager *manager = META_MONITOR_MANAGER (manager_xrandr);
   gboolean new_config;
-  gboolean applied_config = FALSE;
 
   if ((event->type - manager_xrandr->rr_event_base) != RRScreenChangeNotify)
     return FALSE;
@@ -1085,19 +1084,8 @@ meta_monitor_manager_xrandr_handle_xevent (MetaMonitorManagerXrandr *manager_xra
       return TRUE;
     }
 
-  /* If the monitor has hotplug_mode_update (which is used by VMs), don't bother
-   * applying our stored configuration, because it's likely the user just resizing
-   * the window.
-   */
-  if (!meta_monitor_manager_has_hotplug_mode_update (manager))
-    {
-      if (meta_monitor_config_apply_stored (manager->config, manager))
-        applied_config = TRUE;
-    }
-
-  /* If we haven't applied any configuration, apply the default configuration. */
-  if (!applied_config)
-    meta_monitor_config_make_default (manager->config, manager);
-
+  /* Otherwise, this event was gotten from hotplug, so try to make
+   * a configuration for our new set of outputs. */
+  meta_monitor_manager_on_hotplug (manager);
   return TRUE;
 }