/*
 * -----------------------------------------------------------------------------
 * This source file is part of OGRE
 * (Object-oriented Graphics Rendering Engine)
 * For the latest info, see http://www.ogre3d.org/
 *
 * Copyright (c) 2000-2014 Torus Knot Software Ltd
 *
 * 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.
 * -----------------------------------------------------------------------------
 */

#ifndef _LodWorkQueueInjector_H__
#define _LodWorkQueueInjector_H__

#include "OgreLodPrerequisites.h"
#include "OgreSingleton.h"
#include "OgreWorkQueue.h"

namespace Ogre
{

    /**
     * @brief Injects the output of a request to the mesh in a thread safe way.
     */
    class _OgreLodExport LodWorkQueueInjector :
        public WorkQueue::ResponseHandler,
        public Singleton<LodWorkQueueInjector>
    {
    public:
        LodWorkQueueInjector();
        virtual ~LodWorkQueueInjector();

        static LodWorkQueueInjector* getSingletonPtr();
        static LodWorkQueueInjector& getSingleton();

        void handleResponse(const WorkQueue::Response* res, const WorkQueue* srcQ);

        void setInjectorListener(LodWorkQueueInjectorListener* injectorListener)
        {
            mInjectorListener = injectorListener;
        }
        LodWorkQueueInjectorListener* getInjectorListener()
        {
            return mInjectorListener;
        }
        void removeInjectorListener()
        {
            mInjectorListener = 0;
        }
    protected:
        LodWorkQueueInjectorListener* mInjectorListener;
    };

}
#endif
