diff options
Diffstat (limited to 'sc/source/core/tool/refreshtimer.cxx')
-rw-r--r-- | sc/source/core/tool/refreshtimer.cxx | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/sc/source/core/tool/refreshtimer.cxx b/sc/source/core/tool/refreshtimer.cxx new file mode 100644 index 000000000000..ced9c1ebaa48 --- /dev/null +++ b/sc/source/core/tool/refreshtimer.cxx @@ -0,0 +1,83 @@ +/* -*- 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. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_sc.hxx" + + + +#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: */ |