/* -*- mode: C; c-file-style: "gnu" -*- */

/* expirelist.h  List of stuff that expires

 *

 * Copyright (C) 2003  Red Hat, Inc.

 * Portion Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.

 * Licensed under the Academic Free License version 2.1

 *

 * 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 BUS_EXPIRE_LIST_H

#define BUS_EXPIRE_LIST_H

#include <dbus/dbus.h>

#ifndef __SYMBIAN32__

#include <dbus/dbus-list.h>

#include <dbus/dbus-mainloop.h>

#else

#include "dbus-list.h"

#include "dbus-mainloop.h"

#endif //__SYMBIAN32

typedef struct BusExpireList BusExpireList;

typedef struct BusExpireItem BusExpireItem;

typedef dbus_bool_t (* BusExpireFunc) (BusExpireList *list,

                                       DBusList      *link,

                                       void          *data);

struct BusExpireList

{

  DBusList      *items; /**< List of BusExpireItem */

  DBusTimeout   *timeout;

  DBusLoop      *loop;

  BusExpireFunc  expire_func;

  void          *data;

  int            expire_after; /**< Expire after milliseconds (thousandths) */

};

/* embed this in a child expire item struct */

struct BusExpireItem

{

  long added_tv_sec;  /**< Time we were added (seconds component) */

  long added_tv_usec; /**< Time we were added (microsec component) */

};

BusExpireList* bus_expire_list_new    (DBusLoop      *loop,

                                       int            expire_after,

                                       BusExpireFunc  expire_func,

                                       void          *data);

void           bus_expire_list_free   (BusExpireList *list);

#define ELAPSED_MILLISECONDS_SINCE(orig_tv_sec, orig_tv_usec,   \

                                   now_tv_sec, now_tv_usec)     \

 (((double) (now_tv_sec) - (double) (orig_tv_sec)) * 1000.0 +   \

 ((double) (now_tv_usec) - (double) (orig_tv_usec)) / 1000.0)

void bus_expire_timeout_set_interval (DBusTimeout *timeout,

                                      int          next_interval);

#endif /* BUS_EXPIRE_LIST_H */