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 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * 
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
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 * only, as published by the Free Software Foundation.
 *
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_extensions.hxx"
#if defined _MSC_VER && ( _MSC_VER >= 1200 )
#define _WIN32_WINNT  0x0400
#endif

#include "ole2uno.hxx"

#include <tools/presys.h>
#include <tools/postsys.h>

#include <vos/thread.hxx>

using namespace vos;
using namespace std;

namespace ole_adapter
{
// CoInitializeEx *
typedef DECLSPEC_IMPORT HRESULT (STDAPICALLTYPE *ptrCoInitEx)( LPVOID, DWORD); 
// CoInitialize *
typedef DECLSPEC_IMPORT HRESULT (STDAPICALLTYPE *ptrCoInit)( LPVOID); 

void o2u_attachCurrentThread()
{
	static OThreadData oleThreadData;
	
    if ((sal_Bool)(sal_IntPtr)oleThreadData.getData() != sal_True)
	{
		HINSTANCE inst=	LoadLibrary( _T("ole32.dll"));
		if( inst )
		{
			HRESULT hr;
			// Try DCOM
			ptrCoInitEx initFuncEx= (ptrCoInitEx)GetProcAddress( inst, _T("CoInitializeEx"));
			if( initFuncEx)
				hr= initFuncEx( NULL, COINIT_MULTITHREADED);
			// No DCOM, try COM
			else
			{
				ptrCoInit initFunc= (ptrCoInit)GetProcAddress( inst,_T("CoInitialize"));
				if( initFunc)
					hr= initFunc( NULL);
			}
		}
		oleThreadData.setData((void*)sal_True);				
	}
}	

} // end namespace
