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diff --git a/vcl/osx/DataFlavorMapping.hxx b/vcl/osx/DataFlavorMapping.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/datatransfer/DataFlavor.hpp>
+#include <com/sun/star/datatransfer/XMimeContentTypeFactory.hpp>
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+#include <com/sun/star/lang/XMultiComponentFactory.hpp>
+
+#include <premac.h>
+#import <Cocoa/Cocoa.h>
+#include <postmac.h>
+
+#include <memory>
+#include <unordered_map>
+
+/* An interface to get the clipboard data in either
+   system or OOo format.
+ */
+class DataProvider
+{
+public:
+  virtual ~DataProvider() {};
+
+  /* Get the clipboard data in the system format.
+     The caller has to retain/release the returned
+     CFDataRef on demand.
+   */
+  virtual NSData* getSystemData() = 0;
+
+  /* Get the clipboard data in OOo format.
+   */
+  virtual css::uno::Any getOOoData() = 0;
+};
+
+typedef std::unique_ptr<DataProvider> DataProviderPtr_t;
+
+class DataFlavorMapper
+{
+public:
+  /* Initialize a DataFavorMapper instance. Throws a RuntimeException in case the XMimeContentTypeFactory service
+     cannot be created.
+   */
+  DataFlavorMapper();
+  ~DataFlavorMapper();
+
+  /* Map a system data flavor to an OpenOffice data flavor.
+     Return an empty string if there is not suitable
+     mapping from a system data flavor to an LibreOffice data
+     flavor.
+  */
+  css::datatransfer::DataFlavor systemToOpenOfficeFlavor( const NSString* systemDataFlavor) const;
+
+  /* Map an OpenOffice data flavor to a system data flavor.
+     If there is no suitable mapping available NULL will
+     be returned.
+  */
+  const NSString* openOfficeToSystemFlavor(const css::datatransfer::DataFlavor& oooDataFlavor, bool& rbInternal, bool bIsSystemClipboard = false) const;
+
+  /* Select the best available image data type
+     If there is no suitable mapping available NULL will
+     be returned.
+  */
+  static NSString* openOfficeImageToSystemFlavor(NSPasteboard* pPasteboard);
+
+  /* Get a data provider which is able to provide the data 'rTransferable' offers in a format that can
+     be put on to the system clipboard.
+   */
+  DataProviderPtr_t getDataProvider( const NSString* systemFlavor,
+                                    const css::uno::Reference< css::datatransfer::XTransferable > & rTransferable) const;
+
+  /* Get a data provider which is able to provide 'systemData' in the OOo expected format.
+   */
+  static DataProviderPtr_t getDataProvider( const NSString* systemFlavor, NSArray* systemData);
+
+  /* Get a data provider which is able to provide 'systemData' in the OOo expected format.
+   */
+  static DataProviderPtr_t getDataProvider( const NSString* systemFlavor, NSData* systemData);
+
+  /* Translate a sequence of DataFlavors into an NSArray of system types.
+     Only those DataFlavors for which a suitable mapping to a system
+     type exist will be contained in the returned types array.
+   */
+  NSArray* flavorSequenceToTypesArray(const css::uno::Sequence<css::datatransfer::DataFlavor>& flavors, bool bIsSystemClipboard = false) const;
+
+  /* Translate an NSArray of system types into a sequence of DataFlavors.
+     Only those types for which a suitable mapping to a DataFlavor
+     exist will be contained in the new DataFlavor Sequence.
+  */
+  css::uno::Sequence<css::datatransfer::DataFlavor> typesArrayToFlavorSequence(NSArray* types) const;
+
+  /* Returns an NSArray containing all pasteboard types supported by OOo
+   */
+  static NSArray* getAllSupportedPboardTypes();
+
+private:
+  /* Determines if the provided Mime content type is valid.
+   */
+  bool isValidMimeContentType(const OUString& contentType) const;
+
+private:
+  css::uno::Reference< css::datatransfer::XMimeContentTypeFactory> mrXMimeCntFactory;
+  typedef std::unordered_map< OUString, NSString* > OfficeOnlyTypes;
+  mutable OfficeOnlyTypes maOfficeOnlyTypes;
+};
+
+typedef std::shared_ptr<DataFlavorMapper> DataFlavorMapperPtr_t;
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */