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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#include "refreshtimer.hxx"
ScRefreshTimerProtector::ScRefreshTimerProtector( ScRefreshTimerControl * const * pp )
:
ppControl( pp )
{
if ( ppControl && *ppControl )
{
(*ppControl)->SetAllowRefresh( false );
// wait for any running refresh in another thread to finnish
::osl::MutexGuard aGuard( (*ppControl)->GetMutex() );
}
}
ScRefreshTimer::~ScRefreshTimer()
{
if ( IsActive() )
Stop();
RemoveFromControl();
}
void ScRefreshTimer::SetRefreshDelay( sal_uLong nSeconds )
{
sal_Bool bActive = IsActive();
if ( bActive && !nSeconds )
Stop();
SetTimeout( nSeconds * 1000 );
if ( !bActive && nSeconds )
Start();
}
void ScRefreshTimer::Timeout()
{
if ( ppControl && *ppControl && (*ppControl)->IsRefreshAllowed() )
{
// now we COULD make the call in another thread ...
::osl::MutexGuard aGuard( (*ppControl)->GetMutex() );
maTimeoutHdl.Call( this );
// restart from now on, don't execute immediately again if timed out
// a second time during refresh
if ( IsActive() )
Start();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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