134 lines
3.7 KiB
C++
134 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#include <svtools/asynclink.hxx>
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#include <osl/mutex.hxx>
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#include <tools/debug.hxx>
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#include <vcl/timer.hxx>
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#include <vcl/svapp.hxx>
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//--------------------------------------------------------------------
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namespace svtools {
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void AsynchronLink::CreateMutex()
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{
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if( !_pMutex ) _pMutex = new osl::Mutex;
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}
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void AsynchronLink::Call( void* pObj, sal_Bool
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#ifdef DBG_UTIL
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bAllowDoubles
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#endif
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, sal_Bool bUseTimer )
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{
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#ifdef DBG_UTIL
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if ( bUseTimer || !_bInCall )
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DBG_WARNING( "Recursives Call. Eher ueber Timer. TLX Fragen" );
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#endif
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if( _aLink.IsSet() )
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{
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_pArg = pObj;
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DBG_ASSERT( bAllowDoubles ||
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( !_nEventId && ( !_pTimer || !_pTimer->IsActive() ) ),
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"Schon ein Call unterwegs" );
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if( _nEventId )
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{
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if( _pMutex ) _pMutex->acquire();
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Application::RemoveUserEvent( _nEventId );
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if( _pMutex ) _pMutex->release();
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}
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if( _pTimer )_pTimer->Stop();
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if( bUseTimer )
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{
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if( !_pTimer )
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{
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_pTimer = new Timer;
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_pTimer->SetTimeout( 0 );
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_pTimer->SetTimeoutHdl( STATIC_LINK(
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this, AsynchronLink, HandleCall) );
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}
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_pTimer->Start();
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}
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else
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{
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if( _pMutex ) _pMutex->acquire();
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Application::PostUserEvent( _nEventId, STATIC_LINK( this, AsynchronLink, HandleCall), 0 );
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if( _pMutex ) _pMutex->release();
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}
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}
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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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delete _pTimer;
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if( _pDeleted ) *_pDeleted = sal_True;
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delete _pMutex;
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}
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IMPL_STATIC_LINK( AsynchronLink, HandleCall, void*, EMPTYARG )
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{
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if( pThis->_pMutex ) pThis->_pMutex->acquire();
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pThis->_nEventId = 0;
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if( pThis->_pMutex ) pThis->_pMutex->release();
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pThis->Call_Impl( pThis->_pArg );
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return 0;
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}
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void AsynchronLink::ClearPendingCall()
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{
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if( _pMutex ) _pMutex->acquire();
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if( _nEventId )
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{
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Application::RemoveUserEvent( _nEventId );
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_nEventId = 0;
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}
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if( _pMutex ) _pMutex->release();
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if( _pTimer ) _pTimer->Stop();
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}
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void AsynchronLink::Call_Impl( void* pArg )
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{
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_bInCall = sal_True;
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sal_Bool bDeleted = sal_False;
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_pDeleted = &bDeleted;
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_aLink.Call( pArg );
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if( !bDeleted )
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{
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_bInCall = sal_False;
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_pDeleted = 0;
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}
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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