mirror of https://github.com/edeproject/ede.git
43 lines
800 B
C++
43 lines
800 B
C++
//
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// Observable.hh 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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#ifndef _OBSERVABLE_HH_
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#define _OBSERVABLE_HH_
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#ifdef HAVE_SLIST
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#include <slist>
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#else // HAVE_EXT_SLIST
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#include <ext/slist>
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#endif // HAVE_SLIST
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class Observer;
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/**
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* Message sent to observer.
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*/
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class Observation {
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public:
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virtual ~Observation(void) { };
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};
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class Observable {
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public:
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Observable(void) { }
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virtual ~Observable(void) { }
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void notifyObservers(Observation *observation);
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void addObserver(Observer *observer);
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void removeObserver(Observer *observer);
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private:
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SLIST_NAMESPACE::slist<Observer*> _observers; /**< List of observers. */
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};
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#endif // _OBSERVABLE_HH_
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