74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#if !defined WIN32_LEAN_AND_MEAN
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# define WIN32_LEAN_AND_MEAN
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#endif
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#include <objidl.h>
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#include <systools/win32/comtools.hxx>
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/*
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an APartment Neutral dataobject wrapper; this wrapper of an IDataObject
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pointer can be used from any apartment without RPC_E_WRONG_THREAD
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which normally occurs if an apartment tries to use an interface
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pointer of another apartment; we use containment to hold the original
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DataObject
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*/
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class CAPNDataObject : public IDataObject
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{
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public:
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explicit CAPNDataObject(IDataObjectPtr rIDataObject);
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virtual ~CAPNDataObject();
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//IUnknown interface methods
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STDMETHODIMP QueryInterface(REFIID iid, void** ppvObject) override;
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STDMETHODIMP_( ULONG ) AddRef( ) override;
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STDMETHODIMP_( ULONG ) Release( ) override;
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// IDataObject interface methods
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STDMETHODIMP GetData( FORMATETC * pFormatetc, STGMEDIUM * pmedium ) override;
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STDMETHODIMP GetDataHere( FORMATETC * pFormatetc, STGMEDIUM * pmedium ) override;
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STDMETHODIMP QueryGetData( FORMATETC * pFormatetc ) override;
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STDMETHODIMP GetCanonicalFormatEtc( FORMATETC * pFormatectIn, FORMATETC * pFormatetcOut ) override;
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STDMETHODIMP SetData( FORMATETC * pFormatetc, STGMEDIUM * pmedium, BOOL fRelease ) override;
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STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc ) override;
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STDMETHODIMP DAdvise( FORMATETC * pFormatetc, DWORD advf, IAdviseSink * pAdvSink, DWORD* pdwConnection ) override;
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STDMETHODIMP DUnadvise( DWORD dwConnection ) override;
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STDMETHODIMP EnumDAdvise( IEnumSTATDATA** ppenumAdvise ) override;
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private:
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HRESULT MarshalIDataObjectIntoCurrentApartment( IDataObject** ppIDataObj );
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private:
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IDataObjectPtr m_rIDataObjectOrg;
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HGLOBAL m_hGlobal;
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LONG m_nRefCnt;
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// prevent copy and assignment
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private:
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CAPNDataObject( const CAPNDataObject& theOther ) = delete;
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CAPNDataObject& operator=( const CAPNDataObject& theOther ) = delete;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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