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/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2008 by Sun Microsystems, Inc.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * $RCSfile: columninfo.hxx,v $
 * $Revision: 1.5 $
 *
 * 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