1 files changed, 149 insertions, 0 deletions
diff --git a/vcl/win/dtrans/XNotifyingDataObject.cxx b/vcl/win/dtrans/XNotifyingDataObject.cxx
new file mode 100644
index 000000000..e791f5cd9
--- /dev/null
+++ b/vcl/win/dtrans/XNotifyingDataObject.cxx
@@ -0,0 +1,149 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <osl/diagnose.h>
+#include <tools/diagnose_ex.h>
+#include "XNotifyingDataObject.hxx"
+#include "WinClipboard.hxx"
+
+using namespace com::sun::star::datatransfer;
+using namespace com::sun::star::datatransfer::clipboard;
+using com::sun::star::uno::RuntimeException;
+using com::sun::star::uno::Reference;
+
+CXNotifyingDataObject::CXNotifyingDataObject(
+    const IDataObjectPtr& aIDataObject,
+    const Reference< XTransferable >& aXTransferable,
+    const Reference< XClipboardOwner >& aXClipOwner,
+    CWinClipboard* const theWinClipoard) :
+    m_nRefCnt( 0 ),
+    m_aIDataObject( aIDataObject ),
+    m_XTransferable( aXTransferable ),
+    m_XClipboardOwner( aXClipOwner ),
+    m_pWinClipImpl( theWinClipoard )
+{
+}
+
+STDMETHODIMP CXNotifyingDataObject::QueryInterface( REFIID iid, void** ppvObject )
+{
+    if ( nullptr == ppvObject )
+        return E_INVALIDARG;
+
+    HRESULT hr = E_NOINTERFACE;
+
+    *ppvObject = nullptr;
+    if ( ( __uuidof( IUnknown ) == iid ) ||
+         ( __uuidof( IDataObject ) == iid ) )
+    {
+        *ppvObject = static_cast< IUnknown* >( this );
+        static_cast<LPUNKNOWN>(*ppvObject)->AddRef( );
+        hr = S_OK;
+    }
+
+    return hr;
+}
+
+STDMETHODIMP_(ULONG) CXNotifyingDataObject::AddRef( )
+{
+    return static_cast< ULONG >( InterlockedIncrement( &m_nRefCnt ) );
+}
+
+STDMETHODIMP_(ULONG) CXNotifyingDataObject::Release( )
+{
+    ULONG nRefCnt =
+        static_cast< ULONG >( InterlockedDecrement( &m_nRefCnt ) );
+
+    if ( 0 == nRefCnt )
+    {
+        if ( m_pWinClipImpl )
+            m_pWinClipImpl->onReleaseDataObject( this );
+
+        delete this;
+    }
+
+    return nRefCnt;
+}
+
+STDMETHODIMP CXNotifyingDataObject::GetData( FORMATETC * pFormatetc, STGMEDIUM * pmedium )
+{
+    return m_aIDataObject->GetData(pFormatetc, pmedium);
+}
+
+STDMETHODIMP CXNotifyingDataObject::EnumFormatEtc(
+    DWORD dwDirection, IEnumFORMATETC** ppenumFormatetc )
+{
+    return m_aIDataObject->EnumFormatEtc(dwDirection, ppenumFormatetc);
+}
+
+STDMETHODIMP CXNotifyingDataObject::QueryGetData( FORMATETC * pFormatetc )
+{
+    return m_aIDataObject->QueryGetData(pFormatetc);
+}
+
+STDMETHODIMP CXNotifyingDataObject::GetDataHere( FORMATETC * lpFetc, STGMEDIUM * lpStgMedium )
+{
+    return m_aIDataObject->GetDataHere(lpFetc, lpStgMedium);
+}
+
+STDMETHODIMP CXNotifyingDataObject::GetCanonicalFormatEtc( FORMATETC * lpFetc, FORMATETC * lpCanonicalFetc )
+{
+    return m_aIDataObject->GetCanonicalFormatEtc(lpFetc, lpCanonicalFetc);
+}
+
+STDMETHODIMP CXNotifyingDataObject::SetData( FORMATETC * lpFetc, STGMEDIUM * lpStgMedium, BOOL bRelease )
+{
+    return m_aIDataObject->SetData( lpFetc, lpStgMedium, bRelease );
+}
+
+STDMETHODIMP CXNotifyingDataObject::DAdvise(
+    FORMATETC * lpFetc, DWORD advf, IAdviseSink * lpAdvSink, DWORD* pdwConnection )
+{
+    return m_aIDataObject->DAdvise( lpFetc, advf, lpAdvSink, pdwConnection );
+}
+
+STDMETHODIMP CXNotifyingDataObject::DUnadvise( DWORD dwConnection )
+{
+    return m_aIDataObject->DUnadvise( dwConnection );
+}
+
+STDMETHODIMP CXNotifyingDataObject::EnumDAdvise( IEnumSTATDATA ** ppenumAdvise )
+{
+    return m_aIDataObject->EnumDAdvise( ppenumAdvise );
+}
+
+CXNotifyingDataObject::operator IDataObject*( )
+{
+    return static_cast< IDataObject* >( this );
+}
+
+void CXNotifyingDataObject::lostOwnership( )
+{
+    try
+    {
+        if (m_XClipboardOwner.is())
+            m_XClipboardOwner->lostOwnership(
+                static_cast<XClipboardEx*>(m_pWinClipImpl), m_XTransferable);
+    }
+    catch(RuntimeException&)
+    {
+        TOOLS_WARN_EXCEPTION( "vcl",  "" );
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */