observer.h
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/**
* \file
* Definition of the observer pattern implementation.
*
* \author Georg Hopp
*
* \copyright
* Copyright © 2014 Georg Hopp
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __TR_INTERFACE_OBSERVER_H__
#define __TR_INTERFACE_OBSERVER_H__
#include "tr/interface.h"
typedef void (* fptr_TR_observerUpdate)(void *, void*);
/**
* Interface structur for the observer pattern
*/
TR_INTERFACE(TR_Observer) {
TR_IFID;
fptr_TR_observerUpdate update;
};
/**
* This will be called on each registered observer if the subject
* needs to notify them.
*/
void TR_observerUpdate(void *, void *);
#endif // __TR_INTERFACE_OBSERVER_H__
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