1 // DeletionManager.hxx -- defer deletions to a safe time
3 // Copyright (C) 2012 Tim Moore timoore33@gmail.com
5 // This library is free software; you can redistribute it and/or
6 // modify it under the terms of the GNU Library General Public
7 // License as published by the Free Software Foundation; either
8 // version 2 of the License, or (at your option) any later version.
10 // This library is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 // Library General Public License for more details.
15 // You should have received a copy of the GNU Library General Public
16 // License along with this library; if not, write to the
17 // Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 // Boston, MA 02110-1301, USA.
20 #include "DeletionManager.hxx"
22 #include <OpenThreads/ScopedLock>
24 #include "OsgSingleton.hxx"
30 bool DeletionManager::handle(const osgGA::GUIEventAdapter& ea,
31 osgGA::GUIActionAdapter&,
32 osg::Object*, osg::NodeVisitor*)
34 if (ea.getEventType() == osgGA::GUIEventAdapter::FRAME)
36 OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
37 _staleObjects.resize(0);
42 void DeletionManager::addStaleObject(Referenced* obj)
44 OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
45 _staleObjects.push_back(obj);
48 void DeletionManager::uninstall(Node* node)
50 node->removeEventCallback(instance());
53 void DeletionManager::install(Node* node)
55 node->addEventCallback(instance());
58 DeletionManager* DeletionManager::instance()
60 return SingletonRefPtr<DeletionManager>::instance();