Moving arround the lock screen code so that it's in a helper.

3 files changed, 180 insertions, 125 deletions

diff --git a/src/lock-helper.c b/src/lock-helper.c
index e69de29..0df840e 100644
--- a/src/lock-helper.c
+++ b/src/lock-helper.c
@@ -0,0 +1,159 @@
+
+#include <dbus/dbus-glib.h>
+#include "lock-helper.h"
+
+static DBusGProxy * gdm_settings_proxy = NULL;
+static gboolean gdm_auto_login = FALSE;
+static const gchar * gdm_auto_login_string = "daemon/AutomaticLoginEnable";
+
+static gboolean is_guest = FALSE;
+
+static gdm_autologin_cb_t gdm_autologin_cb = NULL;
+
+/* This is our logic on whether the screen should be locked
+   or not.  It effects everything else. */
+gboolean
+will_lock_screen (void)
+{
+	if (gdm_auto_login) {
+		return FALSE;
+	}
+	if (is_guest) {
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+/* Respond to the signal of autologin changing to see if the
+   setting for timed login changes. */
+static void
+gdm_settings_change (DBusGProxy * proxy, const gchar * value, const gchar * old, const gchar * new, gpointer data)
+{
+	if (g_strcmp0(value, gdm_auto_login_string)) {
+		/* This is not a setting that we care about,
+		   there is only one. */
+		return;
+	}
+	g_debug("GDM Settings change: %s", new);
+
+	if (g_strcmp0(new, "true") == 0) {
+		gdm_auto_login = TRUE;
+	} else {
+		gdm_auto_login = FALSE;
+	}
+
+	if (gdm_autologin_cb != NULL) {
+		gdm_autologin_cb();
+	}
+
+	return;
+}
+
+/* Get back the data from querying to see if there is auto
+   login enabled in GDM */
+static void
+gdm_get_autologin (DBusGProxy * proxy, DBusGProxyCall * call, gpointer data)
+{
+	GError * error = NULL;
+	gchar * value = NULL;
+
+	if (!dbus_g_proxy_end_call(proxy, call, &error, G_TYPE_STRING, &value, G_TYPE_INVALID)) {
+		g_warning("Unable to get autologin setting: %s", error != NULL ? error->message : "null");
+		g_error_free(error);
+		return;
+	}
+
+	g_return_if_fail(value != NULL);
+	gdm_settings_change(proxy, gdm_auto_login_string, NULL, value, NULL);
+
+	return;
+}
+
+/* Sets up the proxy and queries for the setting to know
+   whether we're doing an autologin. */
+static void
+build_gdm_proxy (void)
+{
+	g_return_if_fail(gdm_settings_proxy == NULL);
+
+	/* Grab the system bus */
+	DBusGConnection * bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, NULL);
+	g_return_if_fail(bus != NULL);
+
+	/* Get the settings proxy */
+	gdm_settings_proxy = dbus_g_proxy_new_for_name_owner(bus,
+	                                                     "org.gnome.DisplayManager",
+	                                                     "/org/gnome/DisplayManager/Settings",
+	                                                     "org.gnome.DisplayManager.Settings", NULL);
+	g_return_if_fail(gdm_settings_proxy != NULL);
+
+	/* Signal for value changed */
+	dbus_g_proxy_add_signal(gdm_settings_proxy,
+	                        "ValueChanged",
+	                        G_TYPE_STRING,
+	                        G_TYPE_STRING,
+	                        G_TYPE_STRING,
+	                        G_TYPE_INVALID);
+	dbus_g_proxy_connect_signal(gdm_settings_proxy,
+	                            "ValueChanged",
+	                            G_CALLBACK(gdm_settings_change),
+	                            NULL,
+	                            NULL);
+
+	/* Start to get the initial value */
+	dbus_g_proxy_begin_call(gdm_settings_proxy,
+	                        "GetValue",
+	                        gdm_get_autologin,
+	                        NULL,
+	                        NULL,
+	                        G_TYPE_STRING,
+	                        gdm_auto_login_string,
+	                        G_TYPE_INVALID);
+
+	return;
+}
+
+/* A fun little function to actually lock the screen.  If,
+   that's what you want, let's do it! */
+void
+lock_screen (DbusmenuMenuitem * mi, gpointer data)
+{
+	g_debug("Lock Screen");
+	if (!will_lock_screen()) {
+		g_debug("\tGDM set to autologin, blocking lock");
+		return;
+	}
+
+	DBusGConnection * session_bus = dbus_g_bus_get(DBUS_BUS_SESSION, NULL);
+	g_return_if_fail(session_bus != NULL);
+
+	DBusGProxy * proxy = dbus_g_proxy_new_for_name_owner(session_bus,
+	                                                     "org.gnome.ScreenSaver",
+	                                                     "/",
+	                                                     "org.gnome.ScreenSaver",
+	                                                     NULL);
+	g_return_if_fail(proxy != NULL);
+
+	dbus_g_proxy_call_no_reply(proxy,
+	                           "Lock",
+	                           G_TYPE_INVALID,
+	                           G_TYPE_INVALID);
+
+	g_object_unref(proxy);
+
+	return;
+}
+
+gboolean
+lock_screen_setup (gpointer data)
+{
+	if (!g_strcmp0(g_get_user_name(), "guest")) {
+		is_guest = TRUE;
+	}
+
+	build_gdm_proxy();
+
+	return FALSE;
+}
+
diff --git a/src/lock-helper.h b/src/lock-helper.h
index e69de29..5103242 100644
--- a/src/lock-helper.h
+++ b/src/lock-helper.h
@@ -0,0 +1,12 @@
+#ifndef LOCK_HELPER_H__
+#define LOCK_HELPER_H__
+
+#include <libdbusmenu-glib/menuitem.h>
+
+typedef void (*gdm_autologin_cb_t) (void);
+
+gboolean will_lock_screen (void);
+void lock_screen (DbusmenuMenuitem * mi, gpointer data);
+gboolean lock_screen_setup (gpointer data);
+
+#endif /* LOCK_HELPER_H__ */
diff --git a/src/users-service.c b/src/users-service.c
index 5a189c8..576574b 100644
--- a/src/users-service.c
+++ b/src/users-service.c
@@ -35,6 +35,7 @@
 
 #include "dbus-shared-names.h"
 #include "users-service-dbus.h"
+#include "lock-helper.h"
 
 #define GUEST_SESSION_LAUNCHER  "/usr/share/gdm/guest-session/guest-session-launch"
 
@@ -54,107 +55,25 @@ static GMainLoop         *mainloop = NULL;
 static UsersServiceDbus  *dbus_interface = NULL;
 
 static DbusmenuMenuitem  *lock_menuitem = NULL;
-static gboolean is_guest = FALSE;
-
-static DBusGProxy * gdm_settings_proxy = NULL;
-static gboolean gdm_auto_login = FALSE;
-static const gchar * gdm_auto_login_string = "daemon/AutomaticLoginEnable";
 
 static gint   count;
 static GList *users;
 
+#if 0
 /* Respond to the signal of autologin changing to see if the
    setting for timed login changes. */
 static void
-gdm_settings_change (DBusGProxy * proxy, const gchar * value, const gchar * old, const gchar * new, gpointer data)
+gdm_settings_change (gboolean autologin)
 {
-	if (g_strcmp0(value, gdm_auto_login_string)) {
-		/* This is not a setting that we care about,
-		   there is only one. */
-		return;
-	}
-	g_debug("GDM Settings change: %s", new);
-
-	if (g_strcmp0(new, "true") == 0) {
-		gdm_auto_login = TRUE;
+	if (autologin) {
+		dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_SENSITIVE, "false");
 	} else {
-		gdm_auto_login = FALSE;
-	}
-
-	if (lock_menuitem != NULL) {
-		if (gdm_auto_login || is_guest) {
-			dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_SENSITIVE, "false");
-		} else {
-			dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_SENSITIVE, "true");
-		}
+		dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_SENSITIVE, "true");
 	}
 
 	return;
 }
-
-/* Get back the data from querying to see if there is auto
-   login enabled in GDM */
-static void
-gdm_get_autologin (DBusGProxy * proxy, DBusGProxyCall * call, gpointer data)
-{
-	GError * error = NULL;
-	gchar * value = NULL;
-
-	if (!dbus_g_proxy_end_call(proxy, call, &error, G_TYPE_STRING, &value, G_TYPE_INVALID)) {
-		g_warning("Unable to get autologin setting: %s", error != NULL ? error->message : "null");
-		g_error_free(error);
-		return;
-	}
-
-	g_return_if_fail(value != NULL);
-	gdm_settings_change(proxy, gdm_auto_login_string, NULL, value, NULL);
-
-	return;
-}
-
-/* Sets up the proxy and queries for the setting to know
-   whether we're doing an autologin. */
-static gboolean
-build_gdm_proxy (gpointer null_data)
-{
-	g_return_val_if_fail(gdm_settings_proxy == NULL, FALSE);
-
-	/* Grab the system bus */
-	DBusGConnection * bus = dbus_g_bus_get(DBUS_BUS_SYSTEM, NULL);
-	g_return_val_if_fail(bus != NULL, FALSE);
-
-	/* Get the settings proxy */
-	gdm_settings_proxy = dbus_g_proxy_new_for_name_owner(bus,
-	                                                     "org.gnome.DisplayManager",
-	                                                     "/org/gnome/DisplayManager/Settings",
-	                                                     "org.gnome.DisplayManager.Settings", NULL);
-	g_return_val_if_fail(gdm_settings_proxy != NULL, FALSE);
-
-	/* Signal for value changed */
-	dbus_g_proxy_add_signal(gdm_settings_proxy,
-	                        "ValueChanged",
-	                        G_TYPE_STRING,
-	                        G_TYPE_STRING,
-	                        G_TYPE_STRING,
-	                        G_TYPE_INVALID);
-	dbus_g_proxy_connect_signal(gdm_settings_proxy,
-	                            "ValueChanged",
-	                            G_CALLBACK(gdm_settings_change),
-	                            NULL,
-	                            NULL);
-
-	/* Start to get the initial value */
-	dbus_g_proxy_begin_call(gdm_settings_proxy,
-	                        "GetValue",
-	                        gdm_get_autologin,
-	                        NULL,
-	                        NULL,
-	                        G_TYPE_STRING,
-	                        gdm_auto_login_string,
-	                        G_TYPE_INVALID);
-
-	return FALSE;
-}
+#endif
 
 static gboolean
 check_guest_session (void)
@@ -222,37 +141,6 @@ activate_new_session (DbusmenuMenuitem * mi, gpointer user_data)
 	return;
 }
 
-/* A fun little function to actually lock the screen.  If,
-   that's what you want, let's do it! */
-static void
-lock_screen (DbusmenuMenuitem * mi, gpointer data)
-{
-	g_debug("Lock Screen");
-	if (gdm_auto_login) {
-		g_debug("\tGDM set to autologin, blocking lock");
-		return;
-	}
-
-	DBusGConnection * session_bus = dbus_g_bus_get(DBUS_BUS_SESSION, NULL);
-	g_return_if_fail(session_bus != NULL);
-
-	DBusGProxy * proxy = dbus_g_proxy_new_for_name_owner(session_bus,
-	                                                     "org.gnome.ScreenSaver",
-	                                                     "/",
-	                                                     "org.gnome.ScreenSaver",
-	                                                     NULL);
-	g_return_if_fail(proxy != NULL);
-
-	dbus_g_proxy_call_no_reply(proxy,
-	                           "Lock",
-	                           G_TYPE_INVALID,
-	                           G_TYPE_INVALID);
-
-	g_object_unref(proxy);
-
-	return;
-}
-
 static void
 activate_user_session (DbusmenuMenuitem *mi, gpointer user_data)
 {
@@ -292,7 +180,7 @@ rebuild_items (DbusmenuMenuitem *root,
   dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_LABEL, _("Lock Screen"));
   g_signal_connect(G_OBJECT(lock_menuitem), DBUSMENU_MENUITEM_SIGNAL_ITEM_ACTIVATED, G_CALLBACK(lock_screen), NULL);
   dbusmenu_menuitem_child_append(root, lock_menuitem);
-  if (gdm_auto_login || is_guest) {
+  if (!will_lock_screen()) {
     dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_SENSITIVE, "false");
   } else {
     dbusmenu_menuitem_property_set(lock_menuitem, DBUSMENU_MENUITEM_PROP_SENSITIVE, "true");
@@ -410,11 +298,7 @@ main (int argc, char ** argv)
         return 1;
     }
 
-	if (!g_strcmp0(g_get_user_name(), "guest")) {
-		is_guest = TRUE;
-	}
-
-	g_idle_add(build_gdm_proxy, NULL);
+	g_idle_add(lock_screen_setup, NULL);
 
     dbus_interface = g_object_new (USERS_SERVICE_DBUS_TYPE, NULL);