/* -*- 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 .
*/
/** User data objects can be used to store information temporarily at the transferable. The slide sorter uses this to store previews of the slides that are referenced by the transferable.
*/ class UserData {public:virtual~UserData(){}};
/** Add a user data object. When it was added before (and not removed) then this call is ignored.
*/ void AddUserData (const std::shared_ptr<UserData>& rpData);
/** Return the number of user data objects.
*/
sal_Int32 GetUserDataCount() const;
/** Return the specified user data object. When the index is not valid, ie not in the range [0,count) then an empty pointer is returned.
*/
std::shared_ptr<UserData> GetUserData (const sal_Int32 nIndex) const;
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