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53 lines
1.4 KiB
53 lines
1.4 KiB
/**
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* \file
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* Definition of the observer pattern implementation.
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*
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* \author Georg Hopp
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*
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* \copyright
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* Copyright © 2014 Georg Hopp
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU 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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TR_INTERFACE_OBSERVER_H__
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#define __TR_INTERFACE_OBSERVER_H__
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#include "tr/interface.h"
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typedef void (* fptr_TR_observerUpdate)(void *, void*);
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/**
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* Interface structur for the observer pattern
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*/
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TR_INTERFACE(TR_Observer) {
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TR_IFID;
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fptr_TR_observerUpdate update;
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};
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/**
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* The implementation of update will be called by a
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* subject whenever it ments to inform the observer about
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* something
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*/
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inline
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void
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TR_observerUpdate(void * observer, void * subject)
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{
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TR_CALL(observer, TR_Observer, update, subject);
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}
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#endif // __TR_INTERFACE_OBSERVER_H__
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// vim: set ts=4 sw=4:
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