text: /***********************************************************************
      filename:   CEGUITplWRFactoryRegisterer.h
      created:    Thu Mar 19 2009
      author:     Paul D Turner <paul@cegui.org.uk>
  *************************************************************************/
  /***************************************************************************
   *   Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
   *
   *   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 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 _CEGUITplWRFactoryRegisterer_h_
  #define _CEGUITplWRFactoryRegisterer_h_
  
  #include "CEGUI/FactoryRegisterer.h"
  #include "CEGUI/WindowRendererManager.h"
  
  // Start of CEGUI namespace section
  namespace CEGUI
  {
  /*!
  \brief
      Template based implementation of FactoryRegisterer that allows easy
      registration of a factory for any WindowRenderer type.
  */
  template <typename T>
  class TplWRFactoryRegisterer : public FactoryRegisterer
  {
  public:
      //! Constructor.
      TplWRFactoryRegisterer();
  
      void unregisterFactory() const;
  
  protected:
      void doFactoryAdd() const;
      bool isAlreadyRegistered() const;
  };
  
  
  //----------------------------------------------------------------------------//
  template <typename T>
  TplWRFactoryRegisterer<T>::TplWRFactoryRegisterer() :
      FactoryRegisterer(T::TypeName)
  {}
  
  //----------------------------------------------------------------------------//
  template <typename T>
  void TplWRFactoryRegisterer<T>::unregisterFactory() const
  {
      WindowRendererManager::getSingleton().removeFactory(d_type);
  }
  
  //----------------------------------------------------------------------------//
  template <typename T>
  void TplWRFactoryRegisterer<T>::doFactoryAdd() const
  {
      WindowRendererManager::addWindowRendererType<T>();
  }
  
  //----------------------------------------------------------------------------//
  template <typename T>
  bool TplWRFactoryRegisterer<T>::isAlreadyRegistered() const
  {
      return WindowRendererManager::getSingleton().isFactoryPresent(d_type);
  }
  
  //----------------------------------------------------------------------------//
  
  } // End of  CEGUI namespace section
  
  #endif  // end of guard _CEGUITplWRFactoryRegisterer_h_
  
  