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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Evolution calendar recurrence rule functions
*
* Copyright (C) 2000 Ximian, Inc.
*
* Author: Damon Chaplin <damon@ximian.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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 CAL_RECUR_H
#define CAL_RECUR_H
#include <libgnome/gnome-defs.h>
#include <glib.h>
#include <cal-util/cal-component.h>
BEGIN_GNOME_DECLS
typedef gboolean (* CalRecurInstanceFn) (CalComponent *comp,
time_t instance_start,
time_t instance_end,
gpointer data);
typedef icaltimezone* (* CalRecurResolveTimezoneFn) (const char *tzid,
gpointer data);
/*
* Calls the given callback function for each occurrence of the event that
* intersects the range between the given start and end times (the end time is
* not included). Note that the occurrences may start before the given start
* time.
*
* If the callback routine returns FALSE the occurrence generation stops.
*
* Both start and end can be -1, in which case we start at the events first
* instance and continue until it ends, or forever if it has no enddate.
*
* The tz_cb is used to resolve references to timezones. It is passed a TZID
* and should return the icaltimezone* corresponding to that TZID. We need to
* do this as we access timezones in different ways on the client & server.
*
* The default_timezone argument is used for DTSTART or DTEND properties that
* are DATE values or do not have a TZID (i.e. floating times).
*/
void cal_recur_generate_instances (CalComponent *comp,
time_t start,
time_t end,
CalRecurInstanceFn cb,
gpointer cb_data,
CalRecurResolveTimezoneFn tz_cb,
gpointer tz_cb_data,
icaltimezone *default_timezone);
END_GNOME_DECLS
#endif
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