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diff --git a/cppuhelper/inc/cppuhelper/weakref.hxx b/cppuhelper/inc/cppuhelper/weakref.hxx
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+++ b/cppuhelper/inc/cppuhelper/weakref.hxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+#ifndef _CPPUHELPER_WEAKREF_HXX_
+#define _CPPUHELPER_WEAKREF_HXX_
+
+#include <com/sun/star/uno/XInterface.hpp>
+
+
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace uno
+{
+
+/** @internal */
+class OWeakRefListener;
+
+/** The WeakReferenceHelper holds a weak reference to an object. This object must implement
+    the ::com::sun::star::uno::XWeak interface.  The implementation is thread safe.
+*/
+class WeakReferenceHelper
+{
+public:
+    /** Default ctor.  Creates an empty weak reference.
+    */
+    inline WeakReferenceHelper() SAL_THROW( () )
+        : m_pImpl( 0 )
+        {}
+
+    /** Copy ctor.  Initialize this reference with the same interface as in rWeakRef.
+
+        @param rWeakRef another weak ref
+    */
+    WeakReferenceHelper( const WeakReferenceHelper & rWeakRef ) SAL_THROW( () );
+    /** Initialize this reference with the hard interface reference xInt. If the implementation
+        behind xInt does not support XWeak or XInt is null then this reference will be null.
+
+        @param xInt another hard interface reference
+    */
+    WeakReferenceHelper( const ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > & xInt )
+        SAL_THROW( () );
+    /** Releases this reference.
+    */
+    ~WeakReferenceHelper() SAL_THROW( () );
+
+    /** Releases this reference and takes over rWeakRef.
+
+        @param rWeakRef another weak ref
+    */
+    WeakReferenceHelper & SAL_CALL operator = ( const WeakReferenceHelper & rWeakRef ) SAL_THROW( () );
+
+    /** Releases this reference and takes over hard reference xInt.
+        If the implementation behind xInt does not support XWeak
+        or XInt is null, then this reference is null.
+
+        @param xInt another hard reference
+    */
+    WeakReferenceHelper & SAL_CALL operator = (
+            const ::com::sun::star::uno::Reference<
+                ::com::sun::star::uno::XInterface > & xInt ) SAL_THROW( () );
+
+    /** Returns true if both weak refs reference to the same object.
+
+        @param rObj another weak ref
+        @return true, if both weak refs reference to the same object.
+    */
+    inline sal_Bool SAL_CALL operator == ( const WeakReferenceHelper & rObj ) const SAL_THROW( () )
+        { return (get() == rObj.get()); }
+
+    /**  Gets a hard reference to the object.
+
+         @return hard reference or null, if the weakly referenced interface has gone
+    */
+    ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > SAL_CALL get() const SAL_THROW( () );
+    /**  Gets a hard reference to the object.
+
+         @return hard reference or null, if the weakly referenced interface has gone
+    */
+    inline SAL_CALL operator Reference< XInterface > () const SAL_THROW( () )
+        { return get(); }
+
+    /** Releases this reference.
+
+        @since UDK 3.2.12
+    */
+    void SAL_CALL clear() SAL_THROW( () );
+
+protected:
+    /** @internal */
+    OWeakRefListener * m_pImpl;
+};
+
+/** The WeakReference<> holds a weak reference to an object. This object must implement
+    the ::com::sun::star::uno::XWeak interface.  The implementation is thread safe.
+
+    @tplparam interface_type type of interface
+*/
+template< class interface_type >
+class WeakReference : public WeakReferenceHelper
+{
+public:
+    /** Default ctor.  Creates an empty weak reference.
+    */
+    inline WeakReference() SAL_THROW( () )
+        : WeakReferenceHelper()
+        {}
+
+    /** Copy ctor.  Initialize this reference with a hard reference.
+
+        @param rRef another hard ref
+    */
+    inline WeakReference( const Reference< interface_type > & rRef ) SAL_THROW( () )
+        : WeakReferenceHelper( rRef )
+        {}
+
+    /** Releases this reference and takes over hard reference xInt.
+        If the implementation behind xInt does not support XWeak
+        or XInt is null, then this reference is null.
+
+        @param xInt another hard reference
+
+        @since UDK 3.2.12
+    */
+    WeakReference & SAL_CALL operator = (
+            const ::com::sun::star::uno::Reference< interface_type > & xInt )
+        SAL_THROW( () )
+        { WeakReferenceHelper::operator=(xInt); return *this; }
+
+    /**  Gets a hard reference to the object.
+
+         @return hard reference or null, if the weakly referenced interface has gone
+    */
+    inline SAL_CALL operator Reference< interface_type > () const SAL_THROW( () )
+        { return Reference< interface_type >::query( get() ); }
+};
+
+}
+}
+}
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */