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
  21 #ifndef _APNDATAOBJECT_HXX_
  22 #define _APNDATAOBJECT_HXX_
  23
  24 /*
  25     an APartment Neutral dataobject wrapper; this wrapper of a IDataObject
  26     pointer can be used from any apartment without RPC_E_WRONG_THREAD
  27     which normally occurs if an apartment tries to use an interface
  28     pointer of another apartment; we use containment to hold the original
  29     DataObject
  30 */
  31 class CAPNDataObject : public IDataObject
  32 {
  33 public:
  34     CAPNDataObject( IDataObjectPtr rIDataObject );
  35     ~CAPNDataObject( );
  36
  37     //-----------------------------------------------------------------
  38     //IUnknown interface methods
  39     //-----------------------------------------------------------------
  40
  41     STDMETHODIMP           QueryInterface(REFIID iid, LPVOID* ppvObject);
  42     STDMETHODIMP_( ULONG ) AddRef( );
  43     STDMETHODIMP_( ULONG ) Release( );
  44
  45     //-----------------------------------------------------------------
  46     // IDataObject interface methods
  47     //-----------------------------------------------------------------
  48
  49     STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
  50     STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
  51     STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc );
  52     STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut );
  53     STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease );
  54     STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc );
  55     STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection );
  56     STDMETHODIMP DUnadvise( DWORD dwConnection );
  57     STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise );
  58
  59     operator IDataObject*( );
  60
  61 private:
  62     HRESULT MarshalIDataObjectIntoCurrentApartment( IDataObject** ppIDataObj );
  63
  64 private:
  65     IDataObjectPtr  m_rIDataObjectOrg;
  66     HGLOBAL         m_hGlobal;
  67     LONG            m_nRefCnt;
  68
  69 // prevent copy and assignment
  70 private:
  71     CAPNDataObject( const CAPNDataObject& theOther );
  72     CAPNDataObject& operator=( const CAPNDataObject& theOther );
  73 };
  74
  75 #endif
  76
  77 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */