82 lines
2.7 KiB
C++
82 lines
2.7 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 SVX_DELAYEDLINK_HXX
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#define SVX_DELAYEDLINK_HXX
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#include <tools/link.hxx>
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//........................................................................
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namespace svxform
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{
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//........................................................................
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//====================================================================
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//= DelayedEvent
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//====================================================================
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/** small class which encapsulates posting a Link instance as ApplicationUserEvent
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No thread safety at all here, just a little saving of code to type multiple times
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*/
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class DelayedEvent
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{
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public:
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DelayedEvent( const Link& _rHandler )
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:m_aHandler( _rHandler )
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,m_nEventId( 0 )
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{
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}
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~DelayedEvent()
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{
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CancelPendingCall();
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}
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/** calls the handler asynchronously
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If there's already a call pending, this previous call is cancelled.
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*/
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void Call( void* _pArg = NULL );
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/** cancels a call which is currently pending
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If no call is currently pending, then this is ignored.
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*/
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void CancelPendingCall();
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private:
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Link m_aHandler;
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sal_uLong m_nEventId;
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private:
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DECL_LINK( OnCall, void* );
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private:
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DelayedEvent(); // never implemented
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DelayedEvent( const DelayedEvent& ); // never implemented
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DelayedEvent& operator=( const DelayedEvent& ); // never implemented
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};
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//........................................................................
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} // namespace svxform
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//........................................................................
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#endif // SVX_DELAYEDLINK_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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