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/*
*
* This file is part of KMail, the KDE mail client.
* Copyright (c) 2003 Carsten Burghardt <[email protected]>
*
* KMail is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License, version 2, as
* published by the Free Software Foundation.
*
* KMail 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of this program with any edition of
* the TQt library by Trolltech AS, Norway (or with modified versions
* of TQt that use the same license as TQt), and distribute linked
* combinations including the two. You must obey the GNU General
* Public License in all respects for all of the code used other than
* TQt. If you modify this file, you may extend this exception to
* your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from
* your version.
*/
#ifndef __KMAIL_ISUBJECT_H__
#define __KMAIL_ISUBJECT_H__
#include "interfaces/observable.h"
#include <tqvaluevector.h>
namespace KMail {
namespace Interface {
class Observer;
}
class ISubject : public Interface::Observable {
public :
virtual ~ISubject();
/** \reimp Attach the observer if it is not in the list yet */
void attach( Interface::Observer * );
/** \reimp Detach the observer */
void detach( Interface::Observer * );
/** \reimp Notify all observers ( call observer->update() ) */
void notify();
private:
TQValueVector<Interface::Observer*> mObserverList;
};
} // namespace KMail
#endif // __KMAIL_ISUBJECT_H__
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