/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
 *
 * Copyright (C) 2004-2006 William Jon McCann <mccann@jhu.edu>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * Authors: William Jon McCann <mccann@jhu.edu>
 *
 */

#ifndef __GS_LISTENER_H
#define __GS_LISTENER_H

G_BEGIN_DECLS

#define GS_TYPE_LISTENER (gs_listener_get_type())
#define GS_LISTENER(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GS_TYPE_LISTENER, GSListener))
#define GS_LISTENER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GS_TYPE_LISTENER, GSListenerClass))
#define GS_IS_LISTENER(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GS_TYPE_LISTENER))
#define GS_IS_LISTENER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GS_TYPE_LISTENER))
#define GS_LISTENER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GS_TYPE_LISTENER, GSListenerClass))

typedef struct _GSListenerPrivate GSListenerPrivate;

typedef struct {
	GObject parent;
	GSListenerPrivate* priv;
} GSListener;

typedef struct {
	GObjectClass parent_class;

	void (*lock)(GSListener* listener);
	void (*config_lock)(GSListener* listener);
	void (*quit)(GSListener* listener);
	void (*simulate_user_activity)(GSListener* listener);
	gboolean (*active_changed)(GSListener* listener, gboolean active);
	void (*throttle_changed)(GSListener* listener, gboolean throttled);
	void (*show_message)(GSListener* listener, const char* summary, const char* body, const char* icon);

} GSListenerClass;

typedef enum {
	GS_LISTENER_ERROR_SERVICE_UNAVAILABLE,
	GS_LISTENER_ERROR_ACQUISITION_FAILURE,
	GS_LISTENER_ERROR_ACTIVATION_FAILURE
} GSListenerError;

#define GS_LISTENER_ERROR gs_listener_error_quark()

GQuark gs_listener_error_quark(void);

GType gs_listener_get_type(void);

GSListener* gs_listener_new(void);
gboolean gs_listener_acquire(GSListener* listener, GError** error);
gboolean gs_listener_set_active(GSListener* listener, gboolean active);
gboolean gs_listener_set_session_idle(GSListener* listener, gboolean idle);
void gs_listener_set_activation_enabled(GSListener* listener, gboolean enabled);
gboolean gs_listener_get_activation_enabled(GSListener* listener);

G_END_DECLS

#endif /* __GS_LISTENER_H */
