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diff --git a/include/vcl/toolkit/unowrap.hxx b/include/vcl/toolkit/unowrap.hxx
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+++ b/include/vcl/toolkit/unowrap.hxx
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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 .
+ */
+
+#ifndef INCLUDED_VCL_UNOWRAP_HXX
+#define INCLUDED_VCL_UNOWRAP_HXX
+
+#if !defined(VCL_DLLIMPLEMENTATION) && !defined(TOOLKIT_DLLIMPLEMENTATION) && !defined(VCL_INTERNALS)
+#error "don't use this in new code"
+#endif
+
+#include <config_options.h>
+#include <com/sun/star/uno/Reference.h>
+#include <vcl/dllapi.h>
+#include <vcl/vclptr.hxx>
+
+namespace vcl { class Window; }
+class OutputDevice;
+class Menu;
+
+namespace com {
+namespace sun {
+namespace star {
+namespace awt {
+    class XGraphics;
+    class XToolkit;
+    class XWindow;
+    class XWindowPeer;
+}
+} } }
+
+namespace com {
+namespace sun {
+namespace star {
+namespace accessibility {
+    class XAccessible;
+}}}}
+
+class UNLESS_MERGELIBS(VCL_DLLPUBLIC) UnoWrapperBase
+{
+public:
+    virtual void                Destroy() = 0;
+
+    // Toolkit
+    virtual css::uno::Reference< css::awt::XToolkit > GetVCLToolkit() = 0;
+
+    // Graphics
+    virtual css::uno::Reference< css::awt::XGraphics >    CreateGraphics( OutputDevice* pOutDev ) = 0;
+    virtual void                ReleaseAllGraphics( OutputDevice* pOutDev ) = 0;
+
+    // Window
+    virtual css::uno::Reference< css::awt::XWindowPeer> GetWindowInterface( vcl::Window* pWindow ) = 0;
+    virtual void                SetWindowInterface( vcl::Window* pWindow, css::uno::Reference< css::awt::XWindowPeer > xIFace ) = 0;
+    virtual VclPtr<vcl::Window> GetWindow(const css::uno::Reference<css::awt::XWindow>& rxWindow) = 0;
+
+    virtual void                WindowDestroyed( vcl::Window* pWindow ) = 0;
+
+    // Accessibility
+    virtual css::uno::Reference< css::accessibility::XAccessible >
+                                CreateAccessible( Menu* pMenu, bool bIsMenuBar ) = 0;
+
+    /** Get the application's UNO wrapper object.
+
+     Note that this static function will only ever try to create UNO wrapper object once, and
+     if it fails then it will not ever try again, even if the function is called multiple times.
+
+     @param     bCreateIfNotExists  Create the UNO wrapper object if it doesn't exist when true.
+
+     @return UNO wrapper object.
+    */
+    static UnoWrapperBase*      GetUnoWrapper( bool bCreateIfNotExists = true );
+
+    /** Sets the application's UNO Wrapper object.
+
+     @param     pWrapper        Pointer to UNO wrapper object.
+    */
+    static void                 SetUnoWrapper( UnoWrapperBase* pWrapper );
+
+protected:
+    ~UnoWrapperBase() {}
+};
+
+#endif // INCLUDED_VCL_UNOWRAP_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */