33 lines
708 B
C++
33 lines
708 B
C++
// watcher.h
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//
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// Copyright (C) 2002, Chris Laurel <claurel@shatters.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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#ifndef _CELUTIL_WATCHER_H_
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#define _CELUTIL_WATCHER_H_
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template<class T> class Watcher
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{
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private:
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T& watched;
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public:
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Watcher(T& _watched) : watched(_watched)
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{
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watched.addWatcher(this);
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};
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virtual ~Watcher()
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{
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watched.removeWatcher(this);
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}
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virtual void notifyChange(const T*, int) = 0;
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};
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#endif // _CELUTIL_WATCHER_H_
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