From cc3914d206b705628f155b35f8c2530df540cad1 Mon Sep 17 00:00:00 2001
From: Stefano Karapetsas <stefano@karapetsas.com>
Date: Sat, 3 Nov 2012 19:30:53 +0100
Subject: add function to load system settings instead of the user settings
 this is needed in mate-screensaver

---
 libmate-desktop/libmateui/mate-bg.h |  5 ++++-
 libmate-desktop/mate-bg.c           | 39 ++++++++++++++++++++++++++++++++-----
 2 files changed, 38 insertions(+), 6 deletions(-)

diff --git a/libmate-desktop/libmateui/mate-bg.h b/libmate-desktop/libmateui/mate-bg.h
index 279842c..45b3615 100644
--- a/libmate-desktop/libmateui/mate-bg.h
+++ b/libmate-desktop/libmateui/mate-bg.h
@@ -66,8 +66,11 @@ typedef enum {
 } MateBGPlacement;
 
 GType            mate_bg_get_type              (void);
-MateBG *        mate_bg_new                   (void);
+MateBG *         mate_bg_new                   (void);
 void             mate_bg_load_from_preferences (MateBG               *bg);
+void             mate_bg_load_from_system_preferences (MateBG        *bg);
+void             mate_bg_load_from_gsettings   (MateBG               *bg,
+						GSettings            *settings);
 void             mate_bg_save_to_preferences   (MateBG               *bg);
 /* Setters */
 void             mate_bg_set_filename          (MateBG               *bg,
diff --git a/libmate-desktop/mate-bg.c b/libmate-desktop/mate-bg.c
index 942d54f..0e95471 100644
--- a/libmate-desktop/mate-bg.c
+++ b/libmate-desktop/mate-bg.c
@@ -289,19 +289,50 @@ queue_transitioned (MateBG *bg)
 					     NULL);
 }
 
+/* This function load user settings */
 void
 mate_bg_load_from_preferences (MateBG *bg)
+{
+	GSettings *settings;
+	settings = g_settings_new (MATE_BG_SCHEMA);
+	mate_bg_load_from_gsettings (bg, settings);
+	g_object_unref (settings);
+}
+
+/* This function load system settings */
+void
+mate_bg_load_from_system_preferences (MateBG *bg)
+{
+	GSettings *settings;
+	gchar **keys;
+	gchar **k;
+
+	/* FIXME: we need to bind system settings instead of user but
+	* that's currently impossible, not implemented yet.
+	* Hence, reset to system default values.
+	*/
+	settings = g_settings_new (MATE_BG_SCHEMA);
+	g_settings_delay (settings);
+	keys = g_settings_list_keys (settings);
+		for (k = keys; *k; k++) {
+			g_settings_reset (settings, *k);
+	}
+	g_strfreev (keys);
+	mate_bg_load_from_gsettings (bg, settings);
+	g_settings_revert (settings);
+	g_object_unref (settings);
+}
+
+void
+mate_bg_load_from_gsettings (MateBG *bg, GSettings *settings)
 {
 	char    *tmp;
 	char    *filename;
 	MateBGColorType ctype;
 	GdkColor c1, c2;
 	MateBGPlacement placement;
-	GSettings *settings;
 
 	g_return_if_fail (MATE_IS_BG (bg));
-	
-	settings = g_settings_new (MATE_BG_SCHEMA);
 
 	/* Filename */
 	filename = NULL;
@@ -342,8 +373,6 @@ mate_bg_load_from_preferences (MateBG *bg)
 	/* Placement */
 	placement = g_settings_get_enum (settings, BG_KEY_PICTURE_PLACEMENT);
 
-	g_object_unref (settings);
-
 	mate_bg_set_color (bg, ctype, &c1, &c2);
 	mate_bg_set_placement (bg, placement);
 	mate_bg_set_filename (bg, filename);
-- 
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