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 #ifndef INCLUDED_DTRANS_SOURCE_WIN32_DTOBJ_XNOTIFYINGDATAOBJECT_HXX
  21 #define INCLUDED_DTRANS_SOURCE_WIN32_DTOBJ_XNOTIFYINGDATAOBJECT_HXX
  22
  23 #include <com/sun/star/datatransfer/XTransferable.hpp>
  24 #include <com/sun/star/datatransfer/clipboard/XClipboardOwner.hpp>
  25
  26 #if defined _MSC_VER
  27 #pragma warning(push,1)
  28 #endif
  29 #include <objidl.h>
  30 #include <windows.h>
  31 #if defined _MSC_VER
  32 #pragma warning(pop)
  33 #endif
  34
  35 #include <systools/win32/comtools.hxx>
  36
  37 /*--------------------------------------------------------------------------
  38     To implement the lostOwnership mechanism cleanly we need this wrapper
  39     object
  40 ----------------------------------------------------------------------------*/
  41
  42 // forward
  43 class CWinClipbImpl;
  44
  45 class CXNotifyingDataObject : public IDataObject
  46 {
  47 public:
  48     CXNotifyingDataObject(
  49         const IDataObjectPtr& aIDataObject,
  50         const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >& aXTransferable,
  51         const com::sun::star::uno::Reference< com::sun::star::datatransfer::clipboard::XClipboardOwner >& aXClipOwner,
  52         CWinClipbImpl* theWinClipImpl );
  53
  54     virtual ~CXNotifyingDataObject() {}
  55
  56     // ole interface implementation
  57
  58     //IUnknown interface methods
  59     STDMETHODIMP           QueryInterface(REFIID iid, LPVOID* ppvObject);
  60     STDMETHODIMP_( ULONG ) AddRef( );
  61     STDMETHODIMP_( ULONG ) Release( );
  62
  63     // IDataObject interface methods
  64     STDMETHODIMP GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
  65     STDMETHODIMP GetDataHere( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium );
  66     STDMETHODIMP QueryGetData( LPFORMATETC pFormatetc );
  67     STDMETHODIMP GetCanonicalFormatEtc( LPFORMATETC pFormatectIn, LPFORMATETC pFormatetcOut );
  68     STDMETHODIMP SetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium, BOOL fRelease );
  69     STDMETHODIMP EnumFormatEtc( DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc );
  70     STDMETHODIMP DAdvise( LPFORMATETC pFormatetc, DWORD advf, LPADVISESINK pAdvSink, DWORD* pdwConnection );
  71     STDMETHODIMP DUnadvise( DWORD dwConnection );
  72     STDMETHODIMP EnumDAdvise( LPENUMSTATDATA* ppenumAdvise );
  73
  74     operator IDataObject*( );
  75
  76 private:
  77     void SAL_CALL lostOwnership( );
  78
  79 private:
  80     sal_Int32                                                                                           m_nRefCnt;
  81     IDataObjectPtr                                                                                      m_aIDataObject;
  82     const com::sun::star::uno::Reference< com::sun::star::datatransfer::XTransferable >                 m_XTransferable;
  83     const com::sun::star::uno::Reference< com::sun::star::datatransfer::clipboard::XClipboardOwner >    m_XClipboardOwner;
  84     CWinClipbImpl*                                                                                      m_pWinClipImpl;
  85
  86     friend class CWinClipbImpl;
  87 };
  88
  89 #endif
  90
  91 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */