dtrans/source/win32/dtobj/XNotifyingDataObject.cxx

   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 #include <osl/diagnose.h>
  21 #include "XNotifyingDataObject.hxx"
  22 #include "../clipb/WinClipbImpl.hxx"
  23 #include "../clipb/WinClipboard.hxx"
  24 #include "../../inc/DtObjFactory.hxx"
  25
  26 #ifdef __MINGW32__
  27 #if defined __uuidof
  28 #undef __uuidof
  29 #endif
  30 #define __uuidof(I) IID_##I
  31 #endif
  32
  33 using namespace com::sun::star::datatransfer;
  34 using namespace com::sun::star::datatransfer::clipboard;
  35 using com::sun::star::uno::RuntimeException;
  36 using com::sun::star::uno::Reference;
  37
  38 CXNotifyingDataObject::CXNotifyingDataObject(
  39     const IDataObjectPtr& aIDataObject,
  40     const Reference< XTransferable >& aXTransferable,
  41     const Reference< XClipboardOwner >& aXClipOwner,
  42     CWinClipbImpl* theWinClipImpl ) :
  43     m_nRefCnt( 0 ),
  44     m_aIDataObject( aIDataObject ),
  45     m_XTransferable( aXTransferable ),
  46     m_XClipboardOwner( aXClipOwner ),
  47     m_pWinClipImpl( theWinClipImpl )
  48 {
  49 }
  50
  51 STDMETHODIMP CXNotifyingDataObject::QueryInterface( REFIID iid, LPVOID* ppvObject )
  52 {
  53     if ( NULL == ppvObject )
  54         return E_INVALIDARG;
  55
  56     HRESULT hr = E_NOINTERFACE;
  57
  58     *ppvObject = NULL;
  59     if ( ( __uuidof( IUnknown ) == iid ) ||
  60          ( __uuidof( IDataObject ) == iid ) )
  61     {
  62         *ppvObject = static_cast< IUnknown* >( this );
  63         ( (LPUNKNOWN)*ppvObject )->AddRef( );
  64         hr = S_OK;
  65     }
  66
  67     return hr;
  68 }
  69
  70 STDMETHODIMP_(ULONG) CXNotifyingDataObject::AddRef( )
  71 {
  72     return static_cast< ULONG >( InterlockedIncrement( &m_nRefCnt ) );
  73 }
  74
  75 STDMETHODIMP_(ULONG) CXNotifyingDataObject::Release( )
  76 {
  77     ULONG nRefCnt =
  78         static_cast< ULONG >( InterlockedDecrement( &m_nRefCnt ) );
  79
  80     if ( 0 == nRefCnt )
  81     {
  82         if ( m_pWinClipImpl )
  83             m_pWinClipImpl->onReleaseDataObject( this );
  84
  85         delete this;
  86     }
  87
  88     return nRefCnt;
  89 }
  90
  91 STDMETHODIMP CXNotifyingDataObject::GetData( LPFORMATETC pFormatetc, LPSTGMEDIUM pmedium )
  92 {
  93     return m_aIDataObject->GetData(pFormatetc, pmedium);
  94 }
  95
  96 STDMETHODIMP CXNotifyingDataObject::EnumFormatEtc(
  97     DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc )
  98 {
  99     return m_aIDataObject->EnumFormatEtc(dwDirection, ppenumFormatetc);
 100 }
 101
 102 STDMETHODIMP CXNotifyingDataObject::QueryGetData( LPFORMATETC pFormatetc )
 103 {
 104     return m_aIDataObject->QueryGetData(pFormatetc);
 105 }
 106
 107 STDMETHODIMP CXNotifyingDataObject::GetDataHere( LPFORMATETC lpFetc, LPSTGMEDIUM lpStgMedium )
 108 {
 109     return m_aIDataObject->GetDataHere(lpFetc, lpStgMedium);
 110 }
 111
 112 STDMETHODIMP CXNotifyingDataObject::GetCanonicalFormatEtc( LPFORMATETC lpFetc, LPFORMATETC lpCanonicalFetc )
 113 {
 114     return m_aIDataObject->GetCanonicalFormatEtc(lpFetc, lpCanonicalFetc);
 115 }
 116
 117 STDMETHODIMP CXNotifyingDataObject::SetData( LPFORMATETC lpFetc, LPSTGMEDIUM lpStgMedium, BOOL bRelease )
 118 {
 119     return m_aIDataObject->SetData( lpFetc, lpStgMedium, bRelease );
 120 }
 121
 122 STDMETHODIMP CXNotifyingDataObject::DAdvise(
 123     LPFORMATETC lpFetc, DWORD advf, LPADVISESINK lpAdvSink, DWORD* pdwConnection )
 124 {
 125     return m_aIDataObject->DAdvise( lpFetc, advf, lpAdvSink, pdwConnection );
 126 }
 127
 128 STDMETHODIMP CXNotifyingDataObject::DUnadvise( DWORD dwConnection )
 129 {
 130     return m_aIDataObject->DUnadvise( dwConnection );
 131 }
 132
 133 STDMETHODIMP CXNotifyingDataObject::EnumDAdvise( LPENUMSTATDATA * ppenumAdvise )
 134 {
 135     return m_aIDataObject->EnumDAdvise( ppenumAdvise );
 136 }
 137
 138 CXNotifyingDataObject::operator IDataObject*( )
 139 {
 140     return static_cast< IDataObject* >( this );
 141 }
 142
 143 void SAL_CALL CXNotifyingDataObject::lostOwnership( )
 144 {
 145     try
 146     {
 147         if (m_XClipboardOwner.is())
 148             m_XClipboardOwner->lostOwnership(
 149                 static_cast<XClipboardEx*>(m_pWinClipImpl->m_pWinClipboard ), m_XTransferable);
 150     }
 151     catch(RuntimeException&)
 152     {
 153         OSL_FAIL( "RuntimeException caught" );
 154     }
 155 }
 156
 157 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */