diff options
Diffstat (limited to 'sd/source/ui/slidesorter/inc/model/SlsEnumeration.hxx')
-rw-r--r-- | sd/source/ui/slidesorter/inc/model/SlsEnumeration.hxx | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/inc/model/SlsEnumeration.hxx b/sd/source/ui/slidesorter/inc/model/SlsEnumeration.hxx new file mode 100644 index 0000000000..289f859113 --- /dev/null +++ b/sd/source/ui/slidesorter/inc/model/SlsEnumeration.hxx @@ -0,0 +1,44 @@ +/* -*- 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 <memory> + +namespace sd::slidesorter::model +{ +/** Interface to generic enumerations. Designed to operate on shared + pointers. Therefore GetNextElement() returns T and not T&. +*/ +template <class T> class Enumeration +{ +public: + virtual ~Enumeration() {} + + virtual bool HasMoreElements() const = 0; + /** Returns T instead of T& so that it can handle shared pointers. + */ + virtual T GetNextElement() = 0; + virtual void Rewind() = 0; + virtual ::std::unique_ptr<Enumeration<T>> Clone() = 0; +}; + +} // end of namespace ::sd::slidesorter::model + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |