diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /slideshow/source/inc/viewupdate.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream/1%7.0.4.tar.xz libreoffice-upstream/1%7.0.4.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'slideshow/source/inc/viewupdate.hxx')
-rw-r--r-- | slideshow/source/inc/viewupdate.hxx | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/slideshow/source/inc/viewupdate.hxx b/slideshow/source/inc/viewupdate.hxx new file mode 100644 index 000000000..f083347ce --- /dev/null +++ b/slideshow/source/inc/viewupdate.hxx @@ -0,0 +1,62 @@ +/* -*- 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 . + */ + +#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_VIEWUPDATE_HXX +#define INCLUDED_SLIDESHOW_SOURCE_INC_VIEWUPDATE_HXX + +#include "disposable.hxx" +#include <memory> + +/* Definition of ViewUpdate interface */ + +namespace slideshow +{ + namespace internal + { + /** Interface for something that can perform view updates. + + Use this interface for objects that perform view updates + from time to time, e.g. slide content. Availability of + updates can be queried, and subsequently performed. + */ + class ViewUpdate : public Disposable + { + public: + /** Perform the update action on all views + + @return true, if the update was performed + successfully, false otherwise. + */ + virtual bool update() = 0; + + /** Query whether updates are pending + + @return true, if updates are pending. Calling update() + subsequently will perform the pending update then. + */ + virtual bool needsUpdate() const = 0; + }; + + typedef ::std::shared_ptr< ViewUpdate > ViewUpdateSharedPtr; + } +} + +#endif // INCLUDED_SLIDESHOW_SOURCE_INC_VIEWUPDATE_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |