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Diffstat (limited to 'svx/source/inc/delayedevent.hxx')
-rw-r--r-- | svx/source/inc/delayedevent.hxx | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/svx/source/inc/delayedevent.hxx b/svx/source/inc/delayedevent.hxx new file mode 100644 index 0000000000..4f7925c94b --- /dev/null +++ b/svx/source/inc/delayedevent.hxx @@ -0,0 +1,81 @@ +/* -*- 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_INC_DELAYEDEVENT_HXX +#define INCLUDED_SVX_SOURCE_INC_DELAYEDEVENT_HXX + +#include <tools/link.hxx> + +struct ImplSVEvent; + +namespace svxform +{ + + + //= DelayedEvent + + /** small class which encapsulates posting a Link instance as ApplicationUserEvent + + No thread safety at all here, just a little saving of code to type multiple times + */ + class DelayedEvent + { + public: + DelayedEvent( const Link<void*,void>& _rHandler ) + :m_aHandler( _rHandler ) + ,m_nEventId( nullptr ) + { + } + + ~DelayedEvent() + { + CancelPendingCall(); + } + + /** calls the handler asynchronously + + If there's already a call pending, this previous call is cancelled. + */ + void Call(); + + /** cancels a call which is currently pending + + If no call is currently pending, then this is ignored. + */ + void CancelPendingCall(); + + private: + Link<void*,void> m_aHandler; + ImplSVEvent * m_nEventId; + + private: + DECL_LINK( OnCall, void*, void ); + + private: + DelayedEvent( const DelayedEvent& ) = delete; + DelayedEvent& operator=( const DelayedEvent& ) = delete; + }; + + +} + + +#endif // INCLUDED_SVX_SOURCE_INC_DELAYEDEVENT_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |