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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /svx/source/accessibility/AccessibleTextEventQueue.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'svx/source/accessibility/AccessibleTextEventQueue.hxx')
-rw-r--r-- | svx/source/accessibility/AccessibleTextEventQueue.hxx | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/svx/source/accessibility/AccessibleTextEventQueue.hxx b/svx/source/accessibility/AccessibleTextEventQueue.hxx new file mode 100644 index 0000000000..23dbf9faa6 --- /dev/null +++ b/svx/source/accessibility/AccessibleTextEventQueue.hxx @@ -0,0 +1,90 @@ +/* -*- 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_SVX_SOURCE_ACCESSIBILITY_ACCESSIBLETEXTEVENTQUEUE_HXX +#define INCLUDED_SVX_SOURCE_ACCESSIBILITY_ACCESSIBLETEXTEVENTQUEUE_HXX + +#include <memory> +#include <deque> +#include <algorithm> + +class SfxHint; +class SdrHint; +class TextHint; +class SvxViewChangedHint; +class SvxEditSourceHint; + +namespace accessibility +{ + /** This class handles the notification events for the + AccessibleTextHelper class. + + For various reasons, we cannot process EditEngine events as + they arrive, but have to queue and handle them in a batch. + */ + class AccessibleTextEventQueue + { + public: + typedef ::std::deque< SfxHint* > EventQueue; + + AccessibleTextEventQueue(); + ~AccessibleTextEventQueue(); + + /// Append event to end of queue + void Append( const SdrHint& rHint ); + /// Append event to end of queue + void Append( const TextHint& rHint ); + /// Append event to end of queue + void Append( const SvxViewChangedHint& rHint ); + /// Append event to end of queue + void Append( const SvxEditSourceHint& rHint ); + + /** Pop first queue element + + return first queue element, ownership transfers to caller + */ + ::std::unique_ptr< SfxHint > PopFront(); + + /** Apply functor to every queue member + + @param rFunctor + Functor to apply. Functor receives queue element as + parameter: void func( const SfxHint* ); + */ + template < typename Functor > void ForEach( Functor& rFunctor ) const + { + // #109864# Make sure results are put back into rFunctor + rFunctor = ::std::for_each( maEventQueue.begin(), maEventQueue.end(), rFunctor ); + } + + /// Query whether queue is empty + bool IsEmpty() const; + + /// Clear event queue + void Clear(); + + private: + EventQueue maEventQueue; + }; + +} // end of namespace accessibility + +#endif // INCLUDED_SVX_SOURCE_ACCESSIBILITY_ACCESSIBLETEXTEVENTQUEUE_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |