64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
// DeletionManager.hxx -- defer deletions to a safe time
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//
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// Copyright (C) 2012 Tim Moore timoore33@gmail.com
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this library; if not, write to the
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// Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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// Boston, MA 02110-1301, USA.
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#include "DeletionManager.hxx"
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#include <OpenThreads/ScopedLock>
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#include <osg/Node>
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#include "OsgSingleton.hxx"
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namespace simgear
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{
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using namespace osg;
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bool DeletionManager::handle(const osgGA::GUIEventAdapter& ea,
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osgGA::GUIActionAdapter&,
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osg::Object*, osg::NodeVisitor*)
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{
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if (ea.getEventType() == osgGA::GUIEventAdapter::FRAME)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
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_staleObjects.resize(0);
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}
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return false;
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}
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void DeletionManager::addStaleObject(Referenced* obj)
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{
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OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_mutex);
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_staleObjects.push_back(obj);
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}
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void DeletionManager::uninstall(Node* node)
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{
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node->removeEventCallback(instance());
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}
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void DeletionManager::install(Node* node)
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{
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node->addEventCallback(instance());
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}
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DeletionManager* DeletionManager::instance()
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{
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return SingletonRefPtr<DeletionManager>::instance();
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}
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}
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