// Subject.hh for FbTk // Copyright (c) 2002-2003 Henrik Kinnunen (fluxgen at fluxbox dot org) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // $Id$ #ifndef FBTK_SUBJECT_HH #define FBTK_SUBJECT_HH #include "NotCopyable.hh" #include <list> namespace FbTk { class Observer; class Subject:private FbTk::NotCopyable { public: Subject(); virtual ~Subject(); /// attach an observer void attach(Observer *obs); /// detach an observer void detach(Observer *obs); /// notify all attached observers void notify(); static void removeObserver(Observer *obs); private: bool m_notify_mode; typedef std::list<Observer *> ObserverList; ObserverList m_observerlist; ObserverList m_dead_observers; typedef std::list<Subject *> SubjectList; static SubjectList s_subjectlist; }; } // end namespace FbTk #endif // FBTK_SUBJECT_HH