/* Copyright (C) 2001-2006, William Joseph. All Rights Reserved. This file is part of GtkRadiant. GtkRadiant 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 2 of the License, or (at your option) any later version. GtkRadiant 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 GtkRadiant; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #if !defined(INCLUDED_MODULEOBSERVERS_H) #define INCLUDED_MODULEOBSERVERS_H #include "debugging/debugging.h" #include #include "moduleobserver.h" class ModuleObservers { typedef std::set Observers; Observers m_observers; public: ~ModuleObservers() { ASSERT_MESSAGE(m_observers.empty(), "ModuleObservers::~ModuleObservers: observers still attached"); } void attach(ModuleObserver& observer) { ASSERT_MESSAGE(m_observers.find(&observer) == m_observers.end(), "ModuleObservers::attach: cannot attach observer"); m_observers.insert(&observer); } void detach(ModuleObserver& observer) { ASSERT_MESSAGE(m_observers.find(&observer) != m_observers.end(), "ModuleObservers::detach: cannot detach observer"); m_observers.erase(&observer); } void realise() { for(Observers::iterator i = m_observers.begin(); i != m_observers.end(); ++i) { (*i)->realise(); } } void unrealise() { for(Observers::reverse_iterator i = m_observers.rbegin(); i != m_observers.rend(); ++i) { (*i)->unrealise(); } } }; #endif