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diff --git a/toolkit/inc/awt/animatedimagespeer.hxx b/toolkit/inc/awt/animatedimagespeer.hxx
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+++ b/toolkit/inc/awt/animatedimagespeer.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 .
+ */
+
+#pragma once
+
+#include <toolkit/awt/vclxwindow.hxx>
+#include <com/sun/star/container/XContainerListener.hpp>
+
+#include <com/sun/star/awt/XAnimatedImages.hpp>
+#include <com/sun/star/awt/XAnimation.hpp>
+#include <com/sun/star/graphic/XGraphic.hpp>
+#include <com/sun/star/util/XModifyListener.hpp>
+
+#include <cppuhelper/implbase.hxx>
+
+namespace toolkit
+{
+
+
+    //= AnimatedImagesPeer
+
+    struct AnimatedImagesPeer_Data;
+    typedef cppu::ImplInheritanceHelper< VCLXWindow,
+                                         css::awt::XAnimation,
+                                         css::container::XContainerListener,
+                                         css::util::XModifyListener
+                                       > AnimatedImagesPeer_Base;
+
+    class AnimatedImagesPeer final : public AnimatedImagesPeer_Base
+    {
+    public:
+        AnimatedImagesPeer();
+
+    private:
+        virtual ~AnimatedImagesPeer() override;
+
+    public:
+        // XAnimation
+        virtual void SAL_CALL startAnimation(  ) override;
+        virtual void SAL_CALL stopAnimation(  ) override;
+        virtual sal_Bool SAL_CALL isAnimationRunning(  ) override;
+
+        // VclWindowPeer
+        virtual void SAL_CALL setProperty( const OUString& PropertyName, const css::uno::Any& Value ) override;
+        virtual css::uno::Any SAL_CALL getProperty( const OUString& PropertyName ) override;
+
+        // XContainerListener
+        virtual void SAL_CALL elementInserted( const css::container::ContainerEvent& Event ) override;
+        virtual void SAL_CALL elementRemoved( const css::container::ContainerEvent& Event ) override;
+        virtual void SAL_CALL elementReplaced( const css::container::ContainerEvent& Event ) override;
+
+        // XEventListener
+        virtual void SAL_CALL disposing( const css::lang::EventObject& i_event ) override;
+
+        // XModifyListener
+        virtual void SAL_CALL modified( const css::lang::EventObject& i_event ) override;
+
+        // XComponent
+        void SAL_CALL dispose(  ) override;
+
+        struct CachedImage
+        {
+            OUString                 sImageURL;
+            mutable css::uno::Reference< css::graphic::XGraphic >   xGraphic;
+        };
+
+    private:
+        void ProcessWindowEvent( const VclWindowEvent& i_windowEvent ) override;
+
+        /** updates our images with the ones from the given XAnimatedImages component
+        */
+        void    impl_updateImages_nolck( const css::uno::Reference< css::uno::XInterface >& i_animatedImages );
+
+        AnimatedImagesPeer(const AnimatedImagesPeer&) = delete;
+        AnimatedImagesPeer& operator=(const AnimatedImagesPeer&) = delete;
+
+        void updateImageList_nothrow();
+        void updateImageList_nothrow( const css::uno::Reference< css::awt::XAnimatedImages >& i_images );
+
+        std::vector< std::vector< CachedImage > >   maCachedImageSets;
+    };
+
+
+} // namespace toolkit
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */