/*
    This file is part of libkdepim.

    Copyright (c) 2002 Cornelius Schumacher <schumacher@kde.org>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
*/
#ifndef KPIMPREFS_H
#define KPIMPREFS_H

#include <qstringlist.h>

#include <kconfigskeleton.h>
#include <kdepimmacros.h>

class QString;

class KDE_EXPORT KPimPrefs : public KConfigSkeleton
{
  public:
    KPimPrefs( const QString &name = QString::null );

    virtual ~KPimPrefs();

    /** Set preferences to default values */
    void usrSetDefaults();
  
    /** Read preferences from config file */
    void usrReadConfig();

    /** Write preferences to config file */
    void usrWriteConfig();

    /** 
     * Get user's timezone.
     *
     * This will first look for whatever timezone is stored in KOrganizer's
     * configuration file.  If no timezone is found there, it uses
     * /etc/localtime.
     *
     * The value returned may be in various formats (for example,
     * America/New_York or EST) so your program should be prepared to these
     * formats.
     *
     * The Calendar class in libkcal says accepts all timezone codes that are
     * listed in /usr/share/zoneinfo/zone.tab.
     *
     * @see Calendar
     */
    static const QString timezone();

    /**
      Convert time given in UTC to local time at timezone specified by given
      timezone id.
    */
    static QDateTime utcToLocalTime( const QDateTime &dt,
                                     const QString &timeZoneId );

    /**
      Convert time given in local time at timezone specified by given
      timezone id to UTC.
    */
    static QDateTime localTimeToUtc( const QDateTime &dt,
                                     const QString &timeZoneId );

  public:
    QStringList mCustomCategories;
  
  protected:
    virtual void setCategoryDefaults() {}
};

#endif