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


//------------------------------------------------------------------------
// includes
//------------------------------------------------------------------------

/*
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
#include "WinClipboard.hxx"
*/

#include <windows.h>
#include <ole2.h>
#include <objidl.h>

class EnumFormatEtc;

class CXTDataObject : public IDataObject
{
public:
    CXTDataObject( LONG nRefCntInitVal = 0);
    ~CXTDataObject( );

    //-----------------------------------------------------------------
    // ole interface implementation
    //-----------------------------------------------------------------

    //IUnknown
    STDMETHODIMP           QueryInterface(REFIID iid, LPVOID* ppvObject);
    STDMETHODIMP_( ULONG ) AddRef( );
    STDMETHODIMP_( ULONG ) Release( );

    //IDataObject
    STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
    STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
    STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc );
    STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut );
    STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease );
    STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc );
    STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection );
    STDMETHODIMP DUnadvise( DWORD dwConnection );
    STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise );

    operator IDataObject*( );

    // notification handler
    //void SAL_CALL LostOwnership( );

    //sal_Int64 SAL_CALL QueryDataSize( );

    // retrieve the data from the source
    // necessary so that
    //void SAL_CALL GetAllDataFromSource( );

private:
    LONG m_nRefCnt;
    //CWinClipboard& m_rCWinClipboard;
    //const const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::clipboard::XClipboardOwner >&  m_rXClipboardOwner;
    //const const ::com::sun::star::uno::Reference< ::com::sun::star::datatransfer::XTransferable >&               m_rXTDataSource;

    //friend class CWinClipboard;
    friend class CEnumFormatEtc;
};

class CEnumFormatEtc : public IEnumFORMATETC
{
public:
    CEnumFormatEtc( LPUNKNOWN pUnkDataObj );
    ~CEnumFormatEtc( );

    // IUnknown
    STDMETHODIMP           QueryInterface( REFIID iid, LPVOID* ppvObject );
    STDMETHODIMP_( ULONG ) AddRef( );
    STDMETHODIMP_( ULONG ) Release( );

    //IEnumFORMATETC
    STDMETHODIMP Next( ULONG celt, LPFORMATETC rgelt, ULONG* pceltFetched );
    STDMETHODIMP Skip( ULONG celt );
    STDMETHODIMP Reset( );
    STDMETHODIMP Clone( IEnumFORMATETC** ppenum );

private:
    LONG        m_nRefCnt;
    LPUNKNOWN   m_pUnkDataObj;
    ULONG       m_nCurrentPos;
    CLIPFORMAT  m_cfFormats[2];
};


typedef CEnumFormatEtc *PCEnumFormatEtc;

#endif

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