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