i_subject.c
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/**
* \file
*
* \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/>.
*/
#include "tr/class.h"
#include "tr/interface/subject.h"
/**
* Create the TR_Subject interface
*/
TR_CREATE_INTERFACE(TR_Subject, 3);
/**
* Attach an observer to a subject. After a successfull
* call to this the subject will inform the observer about events.
*/
void
TR_subjectAttach(void * subject, void * observer)
{
TR_CALL(subject, TR_Subject, attach, observer);
}
/**
* Detach an Observer from a Subject. After this no events
* will be propagated from the subject to the observer anymore.
*/
void
TR_subjectDetach(void * subject, void * observer)
{
TR_CALL(subject, TR_Subject, detach, observer);
}
/**
* Trigger the a notification of all attached observers.
*/
void
TR_subjectNotify(void * subject)
{
TR_CALL(subject, TR_Subject, notify);
}
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