dtrans/source/win32/dtobj/XNotifyingDataObject.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 _XNOTIFYINGDATAOBJECT_HXX_
  22 #define _XNOTIFYINGDATAOBJECT_HXX_
  23
  24 #include <com/sun/star/datatransfer/XTransferable.hpp>
  25 #include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
  26
  27 #if defined _MSC_VER
  28 #pragma warning(push,1)
  29 #endif
  30 #include <objidl.h>
  31 #include <windows.h>
  32 #if defined _MSC_VER
  33 #pragma warning(pop)
  34 #endif
  35
  36 #include <systools/win32/comtools.hxx>
  37
  38 /*--------------------------------------------------------------------------
  39     To implement the lostOwnership mechanism cleanly we need this wrapper
  40     object
  41 ----------------------------------------------------------------------------*/
  42
  43 // forward
  44 class CWinClipbImpl;
  45
  46 class CXNotifyingDataObject : public IDataObject
  47 {
  48 public:
  49     CXNotifyingDataObject(
  50         const IDataObjectPtr& aIDataObject,
  51         const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& aXTransferable,
  52         const com::sun::star::uno::Reference< com::sun::star::datatransfer::clipboard::XClipboardOwner >& aXClipOwner,
  53         CWinClipbImpl* theWinClipImpl );
  54
  55     virtual ~CXNotifyingDataObject() {}
  56
  57     //-----------------------------------------------------------------
  58     // ole interface implementation
  59     //-----------------------------------------------------------------
  60
  61     //IUnknown interface methods
  62     STDMETHODIMP           QueryInterface(REFIID iid, LPVOID* ppvObject);
  63     STDMETHODIMP_( ULONG ) AddRef( );
  64     STDMETHODIMP_( ULONG ) Release( );
  65
  66     // IDataObject interface methods
  67     STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
  68     STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
  69     STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc );
  70     STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut );
  71     STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease );
  72     STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc );
  73     STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection );
  74     STDMETHODIMP DUnadvise( DWORD dwConnection );
  75     STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise );
  76
  77     operator IDataObject*( );
  78
  79 private:
  80     void SAL_CALL lostOwnership( );
  81
  82 private:
  83     sal_Int32                                                                                           m_nRefCnt;
  84     IDataObjectPtr                                                                                      m_aIDataObject;
  85     const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >                 m_XTransferable;
  86     const com::sun::star::uno::Reference< com::sun::star::datatransfer::clipboard::XClipboardOwner >    m_XClipboardOwner;
  87     CWinClipbImpl*                                                                                      m_pWinClipImpl;
  88
  89     friend class CWinClipbImpl;
  90 };
  91
  92 #endif
  93
  94 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */