71 lines
2 KiB
C++
71 lines
2 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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#include <svtools/asynclink.hxx>
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#include <tools/debug.hxx>
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#include <vcl/svapp.hxx>
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namespace svtools {
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void AsynchronLink::Call( void* pObj, bool bAllowDoubles )
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{
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if( !_aLink.IsSet() )
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return;
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_pArg = pObj;
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DBG_ASSERT( bAllowDoubles || !_nEventId, "Already made a call" );
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ClearPendingCall();
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std::scoped_lock aGuard(_aMutex);
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_nEventId = Application::PostUserEvent( LINK( this, AsynchronLink, HandleCall_PostUserEvent) );
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}
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AsynchronLink::~AsynchronLink()
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{
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if( _nEventId )
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{
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Application::RemoveUserEvent( _nEventId );
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}
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}
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void AsynchronLink::ClearPendingCall()
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{
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std::scoped_lock aGuard(_aMutex);
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if( _nEventId )
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{
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Application::RemoveUserEvent( _nEventId );
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_nEventId = nullptr;
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}
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}
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IMPL_LINK_NOARG( AsynchronLink, HandleCall_PostUserEvent, void*, void )
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{
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{
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std::scoped_lock aGuard(_aMutex);
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_nEventId = nullptr;
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// need to release the lock before calling the client since
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// the client may call back into us
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}
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_aLink.Call( _pArg );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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