_plugin_m_f_c_windows_8h

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Wwise SDK 2023.1.7

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 /*******************************************************************************
 The content of this file includes portions of the AUDIOKINETIC Wwise Technology
 released in source code form as part of the SDK installer package.
  
 Commercial License Usage
  
 Licensees holding valid commercial licenses to the AUDIOKINETIC Wwise Technology
 may use this file in accordance with the end user license agreement provided 
 with the software or, alternatively, in accordance with the terms contained in a
 written agreement between you and Audiokinetic Inc.
  
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 Alternatively, this file may be used under the Apache License, Version 2.0 (the 
 "Apache License"); you may not use this file except in compliance with the 
 Apache License. You may obtain a copy of the Apache License at 
 http://www.apache.org/licenses/LICENSE-2.0.
  
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 under the Apache License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
 OR CONDITIONS OF ANY KIND, either express or implied. See the Apache License for
 the specific language governing permissions and limitations under the License.
  
   Copyright (c) 2024 Audiokinetic Inc.
 *******************************************************************************/
  
 /**
  * \brief Wwise Authoring Plug-ins - Provides MFC initialization on plug-in instantiation.
  * \file AK/Wwise/Plugin/PluginMFCWindows.h
  * 
  * By default, an MFC-based DLL initializes itself when the DLL is loaded. However, not all plug-ins in a DLL container
  * require MFC, so this makes sure to initialize MFC only on instantiation of a particular plug-in.
  *
  * \sa C++ interfaces
  * - \ref AK::Wwise::Plugin::PluginMFCWindows
  */
  
 #pragma once
  
 #if     defined( DOXYGEN_INCLUDE ) || ( \
         (defined( _WIN32 ) || defined ( _WIN64 ) || defined( WINAPI_FAMILY )) \
      && ((defined(_AFXDLL) && _AFXDLL) || defined(_MFC_BLD) || defined(__AFX_H__)) \
      && __has_include(<afxwin.h>) )
  
 #include <afxwin.h>
  
 #ifdef __cplusplus
  
 #include <memory>
  
 namespace AK::Wwise::Plugin
 {
     /**
      * \brief Initializes MFC for this plug-in.
      * 
      * By default, an MFC-based DLL initializes itself when the DLL is loaded. However, not all plug-ins in a DLL
      * container require MFC, so this makes sure to initialize MFC only on instantiation of a particular plug-in.
      * 
      * If you need to modify the CWinApp class on your own, you can update the template.
      * 
      * \code
      *     : public AK::Wwise::Plugin::PluginMFCWindows<MyWinApp>
      * \endcode
      * 
      * \aknote This should be the first interface of the plug-in, as it needs to be initialized before anything. \endaknote
      */
     template<typename CWinApp = ::CWinApp>
     class PluginMFCWindows
     {
         /**
          * \brief DLL singleton for MFC's CWinApp.
          * 
          * This singleton is unique in the DLL. It should be initialized in the main app thread.
          * Please note it is desired behavior to have multiple instances of this singleton in an application. However,
          * MFC expects to have a single copy per DLL.
          */
         static std::unique_ptr<CWinApp> g_theApp;
  
     public:
         /**
          * \brief Initializes g_theApp singleton
          */
         PluginMFCWindows()
         {
             if (!g_theApp)
             {
                 AFX_MANAGE_STATE(AfxGetStaticModuleState());
                 g_theApp.reset(new CWinApp);
  
                 g_theApp->InitInstance();
             }
         }
  
         /**
          * \brief Retrieves the CWinApp singleton.
          * 
          * \return CWinApp* 
          */
         static CWinApp* GetMFCApp()
         {
             return g_theApp;
         }
     };
  
     template<typename CWinApp>
     std::unique_ptr<CWinApp> PluginMFCWindows<CWinApp>::g_theApp;
 } // of namespace AK::Wwise::Plugin
  
 #endif // of __cplusplus
 #endif // of Windows detection