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diff --git a/chart2/source/controller/chartapiwrapper/Chart2ModelContact.hxx b/chart2/source/controller/chartapiwrapper/Chart2ModelContact.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 <com/sun/star/awt/Size.hpp>
+#include <com/sun/star/awt/Point.hpp>
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <rtl/ref.hxx>
+#include <svx/unopage.hxx>
+#include <unotools/weakref.hxx>
+#include <ChartModel.hxx>
+#include <Diagram.hxx>
+#include <map>
+
+namespace chart { struct ExplicitIncrementData; }
+namespace chart { struct ExplicitScaleData; }
+namespace com::sun::star::chart2 { class XAxis; }
+namespace com::sun::star::chart2 { class XChartDocument; }
+namespace com::sun::star::chart2 { class XDataSeries; }
+namespace com::sun::star::chart2 { class XDiagram; }
+namespace com::sun::star::chart2 { class XTitle; }
+namespace com::sun::star::container { class XNameContainer; }
+namespace com::sun::star::drawing { class XDrawPage; }
+namespace com::sun::star::frame { class XModel; }
+namespace com::sun::star::lang { class XUnoTunnel; }
+namespace com::sun::star::uno { class XComponentContext; }
+
+
+namespace chart
+{
+class ExplicitValueProvider;
+class ChartModel;
+
+namespace wrapper
+{
+
+class Chart2ModelContact final
+{
+public:
+    explicit Chart2ModelContact( const css::uno::Reference< css::uno::XComponentContext >& xContext );
+    ~Chart2ModelContact();
+
+public:
+    void setDocumentModel( ChartModel* pChartModel );
+    void clear();
+
+    rtl::Reference<ChartModel> getDocumentModel() const;
+
+    rtl::Reference< ::chart::Diagram > getDiagram() const;
+
+    rtl::Reference<SvxDrawPage> getDrawPage() const;
+
+    /** get the current values calculated for an axis in the current view in
+        case properties are 'auto'.
+     */
+    void getExplicitValuesForAxis(
+        const rtl::Reference< ::chart::Axis > & xAxis,
+        ExplicitScaleData &  rOutExplicitScale,
+        ExplicitIncrementData & rOutExplicitIncrement );
+
+    sal_Int32 getExplicitNumberFormatKeyForAxis(
+            const rtl::Reference< ::chart::Axis >& xAxis );
+
+    static sal_Int32 getExplicitNumberFormatKeyForSeries(
+            const css::uno::Reference< css::chart2::XDataSeries >& xSeries );
+
+    /** Returns the size of the page in logic coordinates.  This value is used
+        for setting an appropriate "ReferencePageSize" for FontHeights.
+     */
+    css::awt::Size GetPageSize() const;
+
+    /** calculates the current axes title sizes and subtract that space them from the given rectangle
+     */
+    css::awt::Rectangle SubstractAxisTitleSizes( const css::awt::Rectangle& rPositionRect );
+
+    /** Returns the position and size of the diagram in logic coordinates (100th mm) including
+        the space used for axes including axes titles.
+     */
+    css::awt::Rectangle GetDiagramRectangleIncludingTitle() const;
+
+    /** Returns the position and size of the diagram in logic coordinates (100th mm) including
+        the space used for axes excluding axes titles.
+     */
+    css::awt::Rectangle GetDiagramRectangleIncludingAxes() const;
+
+    /** Returns the position and size of the diagram in logic coordinates (100th mm) excluding
+        the space used for axes (inner plot area).
+     */
+    css::awt::Rectangle GetDiagramRectangleExcludingAxes() const;
+
+    /** Returns the size of the object in logic coordinates.
+     */
+    css::awt::Size GetLegendSize() const;
+
+    /** Returns the position of the object in logic coordinates.
+     */
+    css::awt::Point GetLegendPosition() const;
+
+    /** Returns the size of the object in logic coordinates.
+     */
+    css::awt::Size GetTitleSize( const css::uno::Reference< css::chart2::XTitle > & xTitle ) const;
+
+    /** Returns the position of the object in logic coordinates.
+     */
+    css::awt::Point GetTitlePosition( const css::uno::Reference< css::chart2::XTitle > & xTitle ) const;
+
+    /** Returns the size of the object in logic coordinates.
+     */
+    css::awt::Size GetAxisSize( const css::uno::Reference< css::chart2::XAxis > & xAxis ) const;
+
+    /** Returns the position of the object in logic coordinates.
+     */
+    css::awt::Point GetAxisPosition( const css::uno::Reference< css::chart2::XAxis > & xAxis ) const;
+
+private: //methods
+    ExplicitValueProvider* getExplicitValueProvider() const;
+    rtl::Reference< ChartView > const & getChartView() const;
+
+public: //member
+    css::uno::Reference< css::uno::XComponentContext >  m_xContext;
+
+private: //member
+    unotools::WeakReference< ChartModel >   m_xChartModel;
+
+    mutable rtl::Reference< ChartView > m_xChartView;
+
+    std::map< OUString, css::uno::Reference< css::container::XNameContainer > > m_aTableMap;
+};
+
+} //  namespace wrapper
+} //  namespace chart
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */