Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "refreshtimer.hxx"
      21             : 
      22             : 
      23        3087 : ScRefreshTimerProtector::ScRefreshTimerProtector( ScRefreshTimerControl * const * pp )
      24             :         :
      25        3087 :         ppControl( pp )
      26             : {
      27        3087 :     if ( ppControl && *ppControl )
      28             :     {
      29        3087 :         (*ppControl)->SetAllowRefresh( false );
      30             :         // wait for any running refresh in another thread to finnish
      31        3087 :         ::osl::MutexGuard aGuard( (*ppControl)->GetMutex() );
      32             :     }
      33        3087 : }
      34             : 
      35             : 
      36          40 : ScRefreshTimer::~ScRefreshTimer()
      37             : {
      38          20 :     if ( IsActive() )
      39           0 :         Stop();
      40          20 :     RemoveFromControl();
      41          20 : }
      42             : 
      43             : 
      44           0 : void ScRefreshTimer::SetRefreshDelay( sal_uLong nSeconds )
      45             : {
      46           0 :     sal_Bool bActive = IsActive();
      47           0 :     if ( bActive && !nSeconds )
      48           0 :         Stop();
      49           0 :     SetTimeout( nSeconds * 1000 );
      50           0 :     if ( !bActive && nSeconds )
      51           0 :         Start();
      52           0 : }
      53             : 
      54             : 
      55           0 : void ScRefreshTimer::Timeout()
      56             : {
      57           0 :     if ( ppControl && *ppControl && (*ppControl)->IsRefreshAllowed() )
      58             :     {
      59             :         // now we COULD make the call in another thread ...
      60           0 :         ::osl::MutexGuard aGuard( (*ppControl)->GetMutex() );
      61           0 :         maTimeoutHdl.Call( this );
      62             :         // restart from now on, don't execute immediately again if timed out
      63             :         // a second time during refresh
      64           0 :         if ( IsActive() )
      65           0 :             Start();
      66             :     }
      67           0 : }
      68             : 
      69             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */