/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2007 William Jon McCann * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include #define DBUS_API_SUBJECT_TO_CHANGE #include #include #include "gdm-settings.h" #include "gdm-settings-glue.h" #include "gdm-settings-desktop-backend.h" #include "gdm-marshal.h" #define GDM_DBUS_PATH "/org/gnome/DisplayManager" #define GDM_SETTINGS_DBUS_PATH GDM_DBUS_PATH "/Settings" #define GDM_SETTINGS_DBUS_NAME "org.gnome.DisplayManager.Settings" #define GDM_SETTINGS_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_SETTINGS, GdmSettingsPrivate)) struct GdmSettingsPrivate { DBusGConnection *connection; GdmSettingsBackend *backend; }; enum { VALUE_CHANGED, LAST_SIGNAL }; static guint signals [LAST_SIGNAL] = { 0, }; static void gdm_settings_class_init (GdmSettingsClass *klass); static void gdm_settings_init (GdmSettings *settings); static void gdm_settings_finalize (GObject *object); static gpointer settings_object = NULL; G_DEFINE_TYPE (GdmSettings, gdm_settings, G_TYPE_OBJECT) GQuark gdm_settings_error_quark (void) { static GQuark ret = 0; if (ret == 0) { ret = g_quark_from_static_string ("gdm_settings_error"); } return ret; } /* dbus-send --system --print-reply --dest=org.gnome.DisplayManager /org/gnome/DisplayManager/Settings org.gnome.DisplayManager.Settings.GetValue string:"xdmcp/Enable" */ gboolean gdm_settings_get_value (GdmSettings *settings, const char *key, char **value, GError **error) { GError *local_error; gboolean res; g_return_val_if_fail (GDM_IS_SETTINGS (settings), FALSE); g_return_val_if_fail (key != NULL, FALSE); local_error = NULL; res = gdm_settings_backend_get_value (settings->priv->backend, key, value, &local_error); if (! res) { g_propagate_error (error, local_error); } return res; } /* dbus-send --system --print-reply --dest=org.gnome.DisplayManager /org/gnome/DisplayManager/Settings org.gnome.DisplayManager.Settings.SetValue string:"xdmcp/Enable" string:"false" */ gboolean gdm_settings_set_value (GdmSettings *settings, const char *key, const char *value, GError **error) { GError *local_error; gboolean res; g_return_val_if_fail (GDM_IS_SETTINGS (settings), FALSE); g_return_val_if_fail (key != NULL, FALSE); g_debug ("Setting value %s", key); local_error = NULL; res = gdm_settings_backend_set_value (settings->priv->backend, key, value, &local_error); if (! res) { g_propagate_error (error, local_error); } return res; } static gboolean register_settings (GdmSettings *settings) { GError *error = NULL; error = NULL; settings->priv->connection = dbus_g_bus_get (DBUS_BUS_SYSTEM, &error); if (settings->priv->connection == NULL) { if (error != NULL) { g_critical ("error getting system bus: %s", error->message); g_error_free (error); } exit (1); } dbus_g_connection_register_g_object (settings->priv->connection, GDM_SETTINGS_DBUS_PATH, G_OBJECT (settings)); return TRUE; } /* dbus-send --system --print-reply --dest=org.gnome.DisplayManager /org/gnome/DisplayManager/Settings org.freedesktop.DBus.Introspectable.Introspect */ static void gdm_settings_class_init (GdmSettingsClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->finalize = gdm_settings_finalize; signals [VALUE_CHANGED] = g_signal_new ("value-changed", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GdmSettingsClass, value_changed), NULL, NULL, gdm_marshal_VOID__STRING_STRING_STRING, G_TYPE_NONE, 3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING); g_type_class_add_private (klass, sizeof (GdmSettingsPrivate)); dbus_g_object_type_install_info (GDM_TYPE_SETTINGS, &dbus_glib_gdm_settings_object_info); } static void backend_value_changed (GdmSettingsBackend *backend, const char *key, const char *old_value, const char *new_value, GdmSettings *settings) { g_debug ("Emitting value-changed %s %s %s", key, old_value, new_value); /* just proxy it */ g_signal_emit (settings, signals [VALUE_CHANGED], 0, key, old_value, new_value); } static void gdm_settings_init (GdmSettings *settings) { settings->priv = GDM_SETTINGS_GET_PRIVATE (settings); settings->priv->backend = gdm_settings_desktop_backend_new (); g_signal_connect (settings->priv->backend, "value-changed", G_CALLBACK (backend_value_changed), settings); } static void gdm_settings_finalize (GObject *object) { GdmSettings *settings; g_return_if_fail (object != NULL); g_return_if_fail (GDM_IS_SETTINGS (object)); settings = GDM_SETTINGS (object); g_return_if_fail (settings->priv != NULL); if (settings->priv->backend != NULL) { g_object_unref (settings->priv->backend); } G_OBJECT_CLASS (gdm_settings_parent_class)->finalize (object); } GdmSettings * gdm_settings_new (void) { if (settings_object != NULL) { g_object_ref (settings_object); } else { gboolean res; settings_object = g_object_new (GDM_TYPE_SETTINGS, NULL); g_object_add_weak_pointer (settings_object, (gpointer *) &settings_object); res = register_settings (settings_object); if (! res) { g_warning ("Unable to register settings"); g_object_unref (settings_object); return NULL; } } return GDM_SETTINGS (settings_object); }