dtrans/source/win32/clipb/APNDataObject.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_DTRANS_SOURCE_WIN32_CLIPB_APNDATAOBJECT_HXX
  21 #define INCLUDED_DTRANS_SOURCE_WIN32_CLIPB_APNDATAOBJECT_HXX
  22
  23 /*
  24     an APartment Neutral dataobject wrapper; this wrapper of an IDataObject
  25     pointer can be used from any apartment without RPC_E_WRONG_THREAD
  26     which normally occurs if an apartment tries to use an interface
  27     pointer of another apartment; we use containment to hold the original
  28     DataObject
  29 */
  30 class CAPNDataObject : public IDataObject
  31 {
  32 public:
  33     CAPNDataObject( IDataObjectPtr rIDataObject );
  34     ~CAPNDataObject( );
  35
  36     //IUnknown interface methods
  37
  38     STDMETHODIMP           QueryInterface(REFIID iid, LPVOID* ppvObject);
  39     STDMETHODIMP_( ULONG ) AddRef( );
  40     STDMETHODIMP_( ULONG ) Release( );
  41
  42     // IDataObject interface methods
  43
  44     STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
  45     STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
  46     STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc );
  47     STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut );
  48     STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease );
  49     STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc );
  50     STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection );
  51     STDMETHODIMP DUnadvise( DWORD dwConnection );
  52     STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise );
  53
  54     operator IDataObject*( );
  55
  56 private:
  57     HRESULT MarshalIDataObjectIntoCurrentApartment( IDataObject** ppIDataObj );
  58
  59 private:
  60     IDataObjectPtr  m_rIDataObjectOrg;
  61     HGLOBAL         m_hGlobal;
  62     LONG            m_nRefCnt;
  63
  64 // prevent copy and assignment
  65 private:
  66     CAPNDataObject( const CAPNDataObject& theOther );
  67     CAPNDataObject& operator=( const CAPNDataObject& theOther );
  68 };
  69
  70 #endif
  71
  72 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */