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/* Evolution calendar - Configuration values for the alarm notification daemon
 *
 * Copyright (C) 2001 Ximian, Inc.
 *
 * Authors: Federico Mena-Quintero <federico@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.
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "config-data.h"
#include "save.h"



/* Whether we have initied ourselves by reading the data from the configuration engine */
static gboolean inited;

/* Configuration values */
static icaltimezone *local_timezone;
static gboolean use_24_hour_format;



/* Copied from ../calendar-config.c; returns whether the locale has 'am' and
 * 'pm' strings defined.
 */
static gboolean
locale_supports_12_hour_format (void)
{  
    char s[16];
    time_t t = 0;

    strftime (s, sizeof s, "%p", gmtime (&t));
    return s[0] != '\0';
}

/* Ensures that the configuration values have been read */
static void
ensure_inited (void)
{
    Bonobo_ConfigDatabase db;
    char *location;

    if (inited)
        return;

    inited = TRUE;

    db = get_config_db ();
    if (db == CORBA_OBJECT_NIL) {
        /* This sucks */
        local_timezone = icaltimezone_get_utc_timezone ();

        /* This sucks as well */
        use_24_hour_format = TRUE;

        return;
    }

    location = bonobo_config_get_string_with_default (db,
        "/Calendar/Display/Timezone", "UTC", NULL);
    if (location && location[0]) {
        local_timezone = icaltimezone_get_builtin_timezone (location);
    } else {
        local_timezone = icaltimezone_get_utc_timezone ();
    }
    g_free (location);

    if (locale_supports_12_hour_format ()) {
        /* Wasn't the whole point of a configuration engine *NOT* to
         * have apps specify their own stupid defaults everywhere, but
         * just in a schema file?
         */
        use_24_hour_format = bonobo_config_get_boolean_with_default (
            db,
            "/Calendar/Display/Use24HourFormat", FALSE, NULL);
    } else
        use_24_hour_format = TRUE;

    discard_config_db (db);
}

icaltimezone *
config_data_get_timezone (void)
{
    ensure_inited ();

    return local_timezone;
}

gboolean
config_data_get_24_hour_format (void)
{
    ensure_inited ();

    return use_24_hour_format;
}