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diff --git a/sd/source/ui/unoidl/unowcntr.cxx b/sd/source/ui/unoidl/unowcntr.cxx
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+/* -*- 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 <com/sun/star/lang/XComponent.hpp>
+
+#include "unowcntr.hxx"
+
+using namespace ::com::sun::star;
+
+SvUnoWeakContainer::SvUnoWeakContainer() noexcept
+{
+}
+
+SvUnoWeakContainer::~SvUnoWeakContainer() noexcept
+{
+}
+
+/** inserts the given ref into this container */
+void SvUnoWeakContainer::insert( const uno::WeakReference< uno::XInterface >& xRef ) noexcept
+{
+ for ( auto it = maVector.begin(); it != maVector.end(); )
+ {
+ uno::WeakReference< uno::XInterface > & rWeakRef = *it;
+ uno::Reference< uno::XInterface > xTestRef( rWeakRef );
+ if ( !xTestRef.is() )
+ {
+ it = maVector.erase( it );
+ }
+ else
+ {
+ if ( rWeakRef == xRef )
+ return;
+ ++it;
+ }
+ }
+ maVector.emplace_back( xRef );
+}
+
+/** searches the container for a ref that returns true on the given
+ search function
+*/
+bool SvUnoWeakContainer::findRef(
+ uno::WeakReference< uno::XInterface >& rRef,
+ void const * pSearchData,
+ weakref_searchfunc pSearchFunc
+)
+{
+ for ( auto it = maVector.begin(); it != maVector.end(); )
+ {
+ uno::WeakReference< uno::XInterface > & itRef = *it;
+ uno::Reference< uno::XInterface > xTestRef( itRef );
+ if ( !xTestRef.is() )
+ {
+ it = maVector.erase( it );
+ }
+ else
+ {
+ if( (*pSearchFunc)( itRef, pSearchData ) )
+ {
+ rRef = itRef;
+ return true;
+ }
+ ++it;
+ }
+ }
+ return false;
+}
+
+void SvUnoWeakContainer::dispose()
+{
+ for (auto const& elem : maVector)
+ {
+ uno::Reference< uno::XInterface > xTestRef( elem );
+ if ( xTestRef.is() )
+ {
+ uno::Reference< lang::XComponent > xComp( xTestRef, uno::UNO_QUERY );
+ if( xComp.is() )
+ xComp->dispose();
+ }
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */