/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*-
 *
 * Copyright (C) 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#ifndef __CK_SEAT_H
#define __CK_SEAT_H

#include <glib-object.h>
#include <dbus/dbus-glib.h>

#include "ck-session.h"

G_BEGIN_DECLS

#define CK_TYPE_SEAT         (ck_seat_get_type ())
#define CK_SEAT(o)           (G_TYPE_CHECK_INSTANCE_CAST ((o), CK_TYPE_SEAT, CkSeat))
#define CK_SEAT_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), CK_TYPE_SEAT, CkSeatClass))
#define CK_IS_SEAT(o)        (G_TYPE_CHECK_INSTANCE_TYPE ((o), CK_TYPE_SEAT))
#define CK_IS_SEAT_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE ((k), CK_TYPE_SEAT))
#define CK_SEAT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), CK_TYPE_SEAT, CkSeatClass))

typedef struct CkSeatPrivate CkSeatPrivate;

typedef struct
{
        GObject        parent;
        CkSeatPrivate *priv;
} CkSeat;

typedef struct
{
        GObjectClass   parent_class;

        void          (* active_session_changed) (CkSeat      *seat,
                                                  const char  *ssid);
        void          (* session_added)          (CkSeat      *seat,
                                                  const char  *ssid);
        void          (* session_removed)        (CkSeat      *seat,
                                                  const char  *ssid);
        void          (* device_added)           (CkSeat      *seat,
                                                  GValueArray *device);
        void          (* device_removed)         (CkSeat      *seat,
                                                  GValueArray *device);
} CkSeatClass;

typedef enum
{
        CK_SEAT_KIND_STATIC,
        CK_SEAT_KIND_DYNAMIC,
} CkSeatKind;

GType ck_seat_kind_get_type (void);
#define CK_TYPE_SEAT_KIND (ck_seat_kind_get_type ())

typedef enum
{
        CK_SEAT_ERROR_GENERAL
} CkSeatError;

#define CK_SEAT_ERROR ck_seat_error_quark ()


#define CK_TYPE_DEVICE (dbus_g_type_get_struct ("GValueArray", \
                                                G_TYPE_STRING,          \
                                                G_TYPE_STRING,          \
                                                G_TYPE_INVALID))

GQuark              ck_seat_error_quark         (void);
GType               ck_seat_get_type            (void);
CkSeat            * ck_seat_new                 (const char            *sid,
                                                 CkSeatKind             kind);
CkSeat            * ck_seat_new_from_file       (const char            *sid,
                                                 const char            *path);
CkSeat            * ck_seat_new_with_devices    (const char            *sid,
                                                 CkSeatKind             kind,
                                                 GPtrArray             *devices);

gboolean            ck_seat_register            (CkSeat                *seat);

void                ck_seat_run_programs        (CkSeat                *seat,
                                                 CkSession             *old_session,
                                                 CkSession             *new_session,
                                                 const char            *action);

void                ck_seat_dump                (CkSeat                *seat,
                                                 GKeyFile              *key_file);

gboolean            ck_seat_get_kind            (CkSeat                *seat,
                                                 CkSeatKind            *kind,
                                                 GError               **error);
gboolean            ck_seat_add_session         (CkSeat                *seat,
                                                 CkSession             *session,
                                                 GError               **error);
gboolean            ck_seat_remove_session      (CkSeat                *seat,
                                                 CkSession             *session,
                                                 GError               **error);
gboolean            ck_seat_add_device          (CkSeat                *seat,
                                                 GValueArray           *device,
                                                 GError               **error);
gboolean            ck_seat_remove_device       (CkSeat                *seat,
                                                 GValueArray           *device,
                                                 GError               **error);

/* exported methods */
gboolean            ck_seat_get_id                (CkSeat                *seat,
                                                   char                 **sid,
                                                   GError               **error);
gboolean            ck_seat_get_sessions          (CkSeat                *seat,
                                                   GPtrArray            **sessions,
                                                   GError               **error);
gboolean            ck_seat_get_devices           (CkSeat                *seat,
                                                   GPtrArray            **devices,
                                                   GError               **error);
gboolean            ck_seat_get_active_session    (CkSeat                *seat,
                                                   char                 **ssid,
                                                   GError               **error);

gboolean            ck_seat_can_activate_sessions (CkSeat                *seat,
                                                   gboolean              *can_activate,
                                                   GError               **error);
gboolean            ck_seat_activate_session      (CkSeat                *seat,
                                                   const char            *ssid,
                                                   DBusGMethodInvocation *context);

G_END_DECLS

#endif /* __CK_SEAT_H */