mirror of https://github.com/edeproject/ede.git
51 lines
903 B
C++
51 lines
903 B
C++
//
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// Observable.cc for pekwm
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// Copyright © 2009 Claes Nästen <me@pekdon.net>
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//
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// This program is licensed under the GNU GPL.
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// See the LICENSE file for more information.
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//
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif // HAVE_CONFIG_H
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#include "Observable.hh"
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#include "Observer.hh"
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using SLIST_NAMESPACE::slist;
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/**
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* Notify all observers.
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*/
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void
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Observable::notifyObservers(Observation *observation)
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{
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if (_observers.size()) {
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slist<Observer*>::iterator it(_observers.begin());
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for (; it != _observers.end(); ++it) {
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(*it)->notify(this, observation);
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}
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}
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}
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/**
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* Add observer.
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*/
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void
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Observable::addObserver(Observer *observer)
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{
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_observers.push_front(observer);
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}
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/**
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* Remove observer from list.
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*/
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void
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Observable::removeObserver(Observer *observer)
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{
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if (_observers.size()) {
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_observers.remove(observer);
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}
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}
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