[gnome-control-center] user-accounts: don't show fingerprint options if disabled

[Ondrej Holy <oholy src gnome org>]

commit de821d592294de94659b316792a1395fd08352bb
Author: Ondrej Holy <oholy redhat com>
Date:   Mon Feb 23 11:47:13 2015 +0100

    user-accounts: don't show fingerprint options if disabled
    
    Don't show fingerprint configuraiton if the administrator disabled
    fingerprint authentication:
    https://help.gnome.org/admin/system-admin-guide/stable/login-fingerprint.html
    
    https://bugzilla.gnome.org/show_bug.cgi?id=744332

 panels/user-accounts/um-user-panel.c |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/panels/user-accounts/um-user-panel.c b/panels/user-accounts/um-user-panel.c
index a98bd72..d9f7be0 100644
--- a/panels/user-accounts/um-user-panel.c
+++ b/panels/user-accounts/um-user-panel.c
@@ -75,6 +75,7 @@ struct _CcUserPanelPrivate {
         GCancellable  *cancellable;
         GtkBuilder *builder;
         GtkWidget *notification;
+        GSettings *login_screen_settings;
 
         GtkWidget *main_box;
         GPermission *permission;
@@ -917,11 +918,12 @@ show_user (ActUser *user, CcUserPanelPrivate *d)
         g_free (lang);
         g_free (name);
 
-        /* Fingerprint: show when self, possible, and local account */
+        /* Fingerprint: show when self, local, enabled, and possible */
         widget = get_widget (d, "account-fingerprint-button");
         label = get_widget (d, "account-fingerprint-label");
         show = (act_user_get_uid (user) == getuid() &&
                 act_user_is_local_account (user) &&
+                g_settings_get_boolean (d->login_screen_settings, "enable-fingerprint-authentication") &&
                 set_fingerprint_label (widget));
         gtk_widget_set_visible (label, show);
         gtk_widget_set_visible (widget, show);
@@ -1714,6 +1716,8 @@ cc_user_panel_init (CcUserPanel *self)
                 return;
         }
 
+        d->login_screen_settings = g_settings_new ("org.gnome.login-screen");
+
         d->password_dialog = um_password_dialog_new ();
         button = get_widget (d, "user-icon-button");
         d->photo_dialog = um_photo_dialog_new (button);
@@ -1736,6 +1740,8 @@ cc_user_panel_dispose (GObject *object)
         g_cancellable_cancel (priv->cancellable);
         g_clear_object (&priv->cancellable);
 
+        g_clear_object (&priv->login_screen_settings);
+
         if (priv->um) {
                 g_signal_handlers_disconnect_by_data (priv->um, priv);
                 priv->um = NULL;