/*************************************************************************
 *
 * 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
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * 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.
 *
 ************************************************************************/
 
#ifndef COLUMNINFO_HXX_INCLUDED
#define COLUMNINFO_HXX_INCLUDED

#if defined _MSC_VER
#pragma warning(push, 1)
#pragma warning(disable:4917)
#endif
#include <shlobj.h>
#if defined _MSC_VER
#pragma warning(pop)
#endif 


class CColumnInfo : public IColumnProvider  
{
public:
	CColumnInfo(long RefCnt = 1);
	virtual ~CColumnInfo();

	//-----------------------------
	// IUnknown methods
	//-----------------------------

	virtual HRESULT STDMETHODCALLTYPE QueryInterface( 
            REFIID riid,
            void __RPC_FAR *__RPC_FAR *ppvObject);
        
    virtual ULONG STDMETHODCALLTYPE AddRef( void);
        
    virtual ULONG STDMETHODCALLTYPE Release( void);

	//-----------------------------
	// IColumnProvider
	//-----------------------------

    virtual HRESULT STDMETHODCALLTYPE Initialize(LPCSHCOLUMNINIT psci);

    virtual HRESULT STDMETHODCALLTYPE GetColumnInfo(DWORD dwIndex, SHCOLUMNINFO *psci);

    virtual HRESULT STDMETHODCALLTYPE GetItemData(
		LPCSHCOLUMNID pscid, LPCSHCOLUMNDATA pscd, VARIANT *pvarData);

private:
	bool IsOOFileExtension(wchar_t* Extension) const;

private:
	long	m_RefCnt;	
};

#endif