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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:06:44 +0000 |
commit | ed5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch) | |
tree | 7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /sd/source/ui/slidesorter/inc/controller/SlsSelectionObserver.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip |
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sd/source/ui/slidesorter/inc/controller/SlsSelectionObserver.hxx')
-rw-r--r-- | sd/source/ui/slidesorter/inc/controller/SlsSelectionObserver.hxx | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/inc/controller/SlsSelectionObserver.hxx b/sd/source/ui/slidesorter/inc/controller/SlsSelectionObserver.hxx new file mode 100644 index 000000000..11742b890 --- /dev/null +++ b/sd/source/ui/slidesorter/inc/controller/SlsSelectionObserver.hxx @@ -0,0 +1,77 @@ +/* -*- 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 <sal/types.h> +#include <memory> +#include <vector> + +namespace sd::slidesorter +{ +class SlideSorter; +} + +class SdrPage; +class SdPage; + +namespace sd::slidesorter::controller +{ +/** Observe insertions and deletions of pages between calls to + StartObservation() and EndObservation(). When the later is called + the selection is set to just the newly inserted pages. +*/ +class SelectionObserver final +{ +public: + SelectionObserver(SlideSorter& rSlideSorter); + ~SelectionObserver(); + + void NotifyPageEvent(const SdrPage* pPage); + void StartObservation(); + void AbortObservation(); + void EndObservation(); + + /** Use this little class instead of calling StartObservation and + EndObservation directly so that EndObservation is not forgotten or + omitted due to an exception or some break or return in the middle of + code. + */ + class Context + { + public: + Context(SlideSorter const& rSlideSorter); + ~Context() COVERITY_NOEXCEPT_FALSE; + void Abort(); + + private: + std::shared_ptr<SelectionObserver> mpSelectionObserver; + }; + +private: + SlideSorter& mrSlideSorter; + bool mbIsObservationActive; + bool mbPageEventOccurred; + + ::std::vector<const SdPage*> maInsertedPages; +}; + +} // end of namespace ::sd::slidesorter::controller + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |