90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SVX_SOURCE_ACCESSIBILITY_ACCESSIBLETEXTEVENTQUEUE_HXX
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#define INCLUDED_SVX_SOURCE_ACCESSIBILITY_ACCESSIBLETEXTEVENTQUEUE_HXX
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#include <memory>
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#include <deque>
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#include <algorithm>
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class SfxHint;
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class SdrHint;
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class TextHint;
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class SvxViewChangedHint;
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class SvxEditSourceHint;
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namespace accessibility
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{
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/** This class handles the notification events for the
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AccessibleTextHelper class.
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For various reasons, we cannot process EditEngine events as
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they arrive, but have to queue and handle them in a batch.
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*/
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class AccessibleTextEventQueue
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{
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public:
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typedef ::std::deque< SfxHint* > EventQueue;
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AccessibleTextEventQueue();
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~AccessibleTextEventQueue();
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/// Append event to end of queue
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void Append( const SdrHint& rHint );
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/// Append event to end of queue
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void Append( const TextHint& rHint );
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/// Append event to end of queue
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void Append( const SvxViewChangedHint& rHint );
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/// Append event to end of queue
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void Append( const SvxEditSourceHint& rHint );
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/** Pop first queue element
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return first queue element, ownership transfers to caller
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*/
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::std::unique_ptr< SfxHint > PopFront();
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/** Apply functor to every queue member
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@param rFunctor
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Functor to apply. Functor receives queue element as
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parameter: void func( const SfxHint* );
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*/
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template < typename Functor > void ForEach( Functor& rFunctor ) const
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{
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// #109864# Make sure results are put back into rFunctor
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rFunctor = ::std::for_each( maEventQueue.begin(), maEventQueue.end(), rFunctor );
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}
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/// Query whether queue is empty
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bool IsEmpty() const;
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/// Clear event queue
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void Clear();
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private:
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EventQueue maEventQueue;
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};
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} // end of namespace accessibility
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#endif // INCLUDED_SVX_SOURCE_ACCESSIBILITY_ACCESSIBLETEXTEVENTQUEUE_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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