/* GDBus - GLib D-Bus Library

 *

 * Copyright (C) 2008-2010 Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General

 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.

 *

 * Author: David Zeuthen <davidz@redhat.com>

 */

#ifndef __G_DBUS_NAME_WATCHING_H__

#define __G_DBUS_NAME_WATCHING_H__

#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)

#error "Only <gio/gio.h> can be included directly."

#endif

#include <gio/giotypes.h>

G_BEGIN_DECLS

/**

 * GBusNameAppearedCallback:

 * @connection: The #GDBusConnection the name is being watched on.

 * @name: The name being watched.

 * @name_owner: Unique name of the owner of the name being watched.

 * @user_data: User data passed to g_bus_watch_name().

 *

 * Invoked when the name being watched is known to have to have a owner.

 *

 * Since: 2.26

 */

typedef void (*GBusNameAppearedCallback) (GDBusConnection *connection,

                                          const gchar     *name,

                                          const gchar     *name_owner,

                                          gpointer         user_data);

/**

 * GBusNameVanishedCallback:

 * @connection: The #GDBusConnection the name is being watched on, or

 *     %NULL.

 * @name: The name being watched.

 * @user_data: User data passed to g_bus_watch_name().

 *

 * Invoked when the name being watched is known not to have to have a owner.

 *

 * This is also invoked when the #GDBusConnection on which the watch was

 * established has been closed.  In that case, @connection will be

 * %NULL.

 *

 * Since: 2.26

 */

typedef void (*GBusNameVanishedCallback) (GDBusConnection *connection,

                                          const gchar     *name,

                                          gpointer         user_data);

GLIB_AVAILABLE_IN_ALL

guint g_bus_watch_name               (GBusType                  bus_type,

                                      const gchar              *name,

                                      GBusNameWatcherFlags      flags,

                                      GBusNameAppearedCallback  name_appeared_handler,

                                      GBusNameVanishedCallback  name_vanished_handler,

                                      gpointer                  user_data,

                                      GDestroyNotify            user_data_free_func);

GLIB_AVAILABLE_IN_ALL

guint g_bus_watch_name_on_connection (GDBusConnection          *connection,

                                      const gchar              *name,

                                      GBusNameWatcherFlags      flags,

                                      GBusNameAppearedCallback  name_appeared_handler,

                                      GBusNameVanishedCallback  name_vanished_handler,

                                      gpointer                  user_data,

                                      GDestroyNotify            user_data_free_func);

GLIB_AVAILABLE_IN_ALL

guint g_bus_watch_name_with_closures (GBusType                  bus_type,

                                      const gchar              *name,

                                      GBusNameWatcherFlags      flags,

                                      GClosure                 *name_appeared_closure,

                                      GClosure                 *name_vanished_closure);

GLIB_AVAILABLE_IN_ALL

guint g_bus_watch_name_on_connection_with_closures (

                                      GDBusConnection          *connection,

                                      const gchar              *name,

                                      GBusNameWatcherFlags      flags,

                                      GClosure                 *name_appeared_closure,

                                      GClosure                 *name_vanished_closure);

GLIB_AVAILABLE_IN_ALL

void  g_bus_unwatch_name             (guint                     watcher_id);

G_END_DECLS

#endif /* __G_DBUS_NAME_WATCHING_H__ */