/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#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

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
