[gnome-settings-daemon] common: Add a GnomeRRScreen singleton

[Rodrigo Moya <rodrigo src gnome org>]

commit bd8c2449d54f5a8bc12591fbd720aa7e22d26b90
Author: Rodrigo Moya <rodrigo gnome-db org>
Date:   Thu Sep 22 10:19:04 2011 +0200

    common: Add a GnomeRRScreen singleton

 gnome-settings-daemon/Makefile.am              |    4 +++-
 gnome-settings-daemon/gnome-settings-session.c |   14 ++++++++++++++
 gnome-settings-daemon/gnome-settings-session.h |    5 +++++
 3 files changed, 22 insertions(+), 1 deletions(-)
---
diff --git a/gnome-settings-daemon/Makefile.am b/gnome-settings-daemon/Makefile.am
index 2c72233..7e0e092 100644
--- a/gnome-settings-daemon/Makefile.am
+++ b/gnome-settings-daemon/Makefile.am
@@ -8,7 +8,8 @@ INCLUDES = \
 	$(WARN_CFLAGS)						\
 	$(DISABLE_DEPRECATED_CFLAGS)				\
 	$(SETTINGS_DAEMON_CFLAGS)				\
-	$(LIBNOTIFY_CFLAGS)		\
+	$(LIBNOTIFY_CFLAGS)					\
+	$(GNOME_DESKTOP_CFLAGS)					\
 	$(NULL)
 
 noinst_LTLIBRARIES = 			\
@@ -74,6 +75,7 @@ gnome_settings_daemon_LDADD = 		\
 	libgsd-profile.la		\
 	$(SETTINGS_DAEMON_LIBS)		\
 	$(LIBNOTIFY_LIBS)		\
+	$(GNOME_DESKTOP_LIBS)		\
 	$(NULL)
 
 
diff --git a/gnome-settings-daemon/gnome-settings-session.c b/gnome-settings-daemon/gnome-settings-session.c
index 2302304..d32490a 100644
--- a/gnome-settings-daemon/gnome-settings-session.c
+++ b/gnome-settings-daemon/gnome-settings-session.c
@@ -308,3 +308,17 @@ gnome_settings_session_new (void)
 	return GNOME_SETTINGS_SESSION (session);
 }
 
+GnomeRRScreen *
+gnome_settings_session_get_screen (GError **error)
+{
+	static GnomeRRScreen *screen = NULL;
+
+	if (screen != NULL)
+		return g_object_ref (screen);
+
+	screen = gnome_rr_screen_new (gdk_screen_get_default (), error);
+	if (screen != NULL)
+		g_object_add_weak_pointer (G_OBJECT (screen), (gpointer *) &screen);
+
+	return screen;
+}
diff --git a/gnome-settings-daemon/gnome-settings-session.h b/gnome-settings-daemon/gnome-settings-session.h
index 874318b..ba93cf2 100644
--- a/gnome-settings-daemon/gnome-settings-session.h
+++ b/gnome-settings-daemon/gnome-settings-session.h
@@ -24,6 +24,9 @@
 
 #include <glib-object.h>
 
+#define GNOME_DESKTOP_USE_UNSTABLE_API
+#include <libgnome-desktop/gnome-rr.h>
+
 G_BEGIN_DECLS
 
 #define GNOME_TYPE_SETTINGS_SESSION		(gnome_settings_session_get_type ())
@@ -58,6 +61,8 @@ GType			 gnome_settings_session_state_get_type	(void);
 GnomeSettingsSession	*gnome_settings_session_new		(void);
 GnomeSettingsSessionState gnome_settings_session_get_state	(GnomeSettingsSession	*session);
 
+GnomeRRScreen           *gnome_settings_session_get_screen      (GError **error);
+
 G_END_DECLS
 
 #endif /* __GNOME_SETTINGS_SESSION_H */