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