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64 lines
2.1 KiB
64 lines
2.1 KiB
/*
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*
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* This file is part of KMail, the KDE mail client.
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* Copyright (c) 2003 Carsten Burghardt <burghardt@kde.org>
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*
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* KMail is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation.
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*
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* KMail is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of this program with any edition of
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* the TQt library by Trolltech AS, Norway (or with modified versions
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* of TQt that use the same license as TQt), and distribute linked
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* combinations including the two. You must obey the GNU General
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* Public License in all respects for all of the code used other than
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* TQt. If you modify this file, you may extend this exception to
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* your version of the file, but you are not obligated to do so. If
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* you do not wish to do so, delete this exception statement from
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* your version.
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*/
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#ifndef __KMAIL_ISUBJECT_H__
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#define __KMAIL_ISUBJECT_H__
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#include "interfaces/observable.h"
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#include <tqvaluevector.h>
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namespace KMail {
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namespace Interface {
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class Observer;
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}
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class ISubject : public Interface::Observable {
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public :
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virtual ~ISubject();
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/** \reimp Attach the observer if it is not in the list yet */
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void attach( Interface::Observer * );
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/** \reimp Detach the observer */
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void detach( Interface::Observer * );
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/** \reimp Notify all observers ( call observer->update() ) */
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void notify();
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private:
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TQValueVector<Interface::Observer*> mObserverList;
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};
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} // namespace KMail
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#endif // __KMAIL_ISUBJECT_H__
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