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diff --git a/sd/source/ui/framework/module/ToolBarModule.hxx b/sd/source/ui/framework/module/ToolBarModule.hxx
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+++ b/sd/source/ui/framework/module/ToolBarModule.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 <ToolBarManager.hxx>
+#include <com/sun/star/drawing/framework/XConfigurationChangeListener.hpp>
+#include <comphelper/compbase.hxx>
+#include <o3tl/deleter.hxx>
+#include <memory>
+
+namespace com::sun::star::drawing::framework { class XConfigurationController; }
+namespace com::sun::star::frame { class XController; }
+
+namespace sd {
+class ViewShellBase;
+}
+
+namespace sd::framework {
+
+typedef comphelper::WeakComponentImplHelper <
+    css::drawing::framework::XConfigurationChangeListener
+    > ToolBarModuleInterfaceBase;
+
+/** This module is responsible for locking the ToolBarManager during
+    configuration updates and for triggering ToolBarManager updates.
+*/
+class ToolBarModule final
+    : public ToolBarModuleInterfaceBase
+{
+public:
+    /** Create a new module.
+        @param rxController
+            This is the access point to the drawing framework.
+    */
+    explicit ToolBarModule (
+        const css::uno::Reference<css::frame::XController>& rxController);
+    virtual ~ToolBarModule() override;
+
+    virtual void disposing(std::unique_lock<std::mutex>&) override;
+
+    // XConfigurationChangeListener
+
+    virtual void SAL_CALL notifyConfigurationChange (
+        const css::drawing::framework::ConfigurationChangeEvent& rEvent) override;
+
+    // XEventListener
+
+    virtual void SAL_CALL disposing (
+        const css::lang::EventObject& rEvent) override;
+
+private:
+    css::uno::Reference<
+        css::drawing::framework::XConfigurationController> mxConfigurationController;
+    ViewShellBase* mpBase;
+    std::unique_ptr<ToolBarManager::UpdateLock, o3tl::default_delete<ToolBarManager::UpdateLock>> mpToolBarManagerLock;
+    bool mbMainViewSwitchUpdatePending;
+
+    void HandleUpdateStart();
+    void HandleUpdateEnd();
+};
+
+} // end of namespace sd::framework
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */