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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#pragma once
#include <com/sun/star/datatransfer/XTransferable.hpp>
#include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
#if !defined WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <objidl.h>
#include <systools/win32/comtools.hxx>
/*--------------------------------------------------------------------------
To implement the lostOwnership mechanism cleanly we need this wrapper
object
----------------------------------------------------------------------------*/
// forward
class CWinClipboard;
class CXNotifyingDataObject final : public IDataObject
{
public:
CXNotifyingDataObject(
const IDataObjectPtr& aIDataObject,
const css::uno::Reference< css::datatransfer::XTransferable >& aXTransferable,
const css::uno::Reference< css::datatransfer::clipboard::XClipboardOwner >& aXClipOwner,
CWinClipboard* const theWinClipoard);
virtual ~CXNotifyingDataObject() {}
// ole interface implementation
//IUnknown interface methods
STDMETHODIMP QueryInterface(REFIID iid, void** ppvObject) override;
STDMETHODIMP_( ULONG ) AddRef( ) override;
STDMETHODIMP_( ULONG ) Release( ) override;
// IDataObject interface methods
STDMETHODIMP GetData( FORMATETC * pFormatetc, STGMEDIUM * pmedium ) override;
STDMETHODIMP GetDataHere( FORMATETC * pFormatetc, STGMEDIUM * pmedium ) override;
STDMETHODIMP QueryGetData( FORMATETC * pFormatetc ) override;
STDMETHODIMP GetCanonicalFormatEtc( FORMATETC * pFormatectIn, FORMATETC * pFormatetcOut ) override;
STDMETHODIMP SetData( FORMATETC * pFormatetc, STGMEDIUM * pmedium, BOOL fRelease ) override;
STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc ) override;
STDMETHODIMP DAdvise( FORMATETC * pFormatetc, DWORD advf, IAdviseSink * pAdvSink, DWORD* pdwConnection ) override;
STDMETHODIMP DUnadvise( DWORD dwConnection ) override;
STDMETHODIMP EnumDAdvise( IEnumSTATDATA** ppenumAdvise ) override;
operator IDataObject*( );
private:
void lostOwnership( );
sal_Int32 m_nRefCnt;
IDataObjectPtr m_aIDataObject;
const css::uno::Reference< css::datatransfer::XTransferable > m_XTransferable;
const css::uno::Reference< css::datatransfer::clipboard::XClipboardOwner > m_XClipboardOwner;
CWinClipboard* const m_pWinClipImpl;
friend class CWinClipboard;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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