1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_sc.hxx" 30 31 32 33 #include "refreshtimer.hxx" 34 35 36 ScRefreshTimerProtector::ScRefreshTimerProtector( ScRefreshTimerControl * const * pp ) 37 : 38 ppControl( pp ) 39 { 40 if ( ppControl && *ppControl ) 41 { 42 (*ppControl)->SetAllowRefresh( sal_False ); 43 // wait for any running refresh in another thread to finnish 44 ::vos::OGuard aGuard( (*ppControl)->GetMutex() ); 45 } 46 } 47 48 49 ScRefreshTimer::~ScRefreshTimer() 50 { 51 if ( IsActive() ) 52 Stop(); 53 RemoveFromControl(); 54 } 55 56 57 void ScRefreshTimer::SetRefreshDelay( sal_uLong nSeconds ) 58 { 59 sal_Bool bActive = IsActive(); 60 if ( bActive && !nSeconds ) 61 Stop(); 62 SetTimeout( nSeconds * 1000 ); 63 if ( !bActive && nSeconds ) 64 Start(); 65 } 66 67 68 void ScRefreshTimer::Timeout() 69 { 70 if ( ppControl && *ppControl && (*ppControl)->IsRefreshAllowed() ) 71 { 72 // now we COULD make the call in another thread ... 73 ::vos::OGuard aGuard( (*ppControl)->GetMutex() ); 74 maTimeoutHdl.Call( this ); 75 // restart from now on, don't execute immediately again if timed out 76 // a second time during refresh 77 if ( IsActive() ) 78 Start(); 79 } 80 } 81 82