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       1                 :            : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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      19                 :            :  * GNU Lesser General Public License version 3 for more details
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      22                 :            :  * You should have received a copy of the GNU Lesser General Public License
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      28                 :            : 
      29                 :            : #include "refreshtimer.hxx"
      30                 :            : 
      31                 :            : 
      32                 :      21570 : ScRefreshTimerProtector::ScRefreshTimerProtector( ScRefreshTimerControl * const * pp )
      33                 :            :         :
      34                 :      21570 :         ppControl( pp )
      35                 :            : {
      36 [ +  - ][ +  - ]:      21570 :     if ( ppControl && *ppControl )
      37                 :            :     {
      38                 :      21570 :         (*ppControl)->SetAllowRefresh( false );
      39                 :            :         // wait for any running refresh in another thread to finnish
      40 [ +  - ][ +  - ]:      21570 :         ::osl::MutexGuard aGuard( (*ppControl)->GetMutex() );
      41                 :            :     }
      42                 :      21570 : }
      43                 :            : 
      44                 :            : 
      45                 :        718 : ScRefreshTimer::~ScRefreshTimer()
      46                 :            : {
      47         [ -  + ]:        718 :     if ( IsActive() )
      48         [ #  # ]:          0 :         Stop();
      49                 :        718 :     RemoveFromControl();
      50         [ -  + ]:        718 : }
      51                 :            : 
      52                 :            : 
      53                 :          9 : void ScRefreshTimer::SetRefreshDelay( sal_uLong nSeconds )
      54                 :            : {
      55                 :          9 :     sal_Bool bActive = IsActive();
      56 [ -  + ][ +  + ]:          9 :     if ( bActive && !nSeconds )
      57                 :          0 :         Stop();
      58                 :          9 :     SetTimeout( nSeconds * 1000 );
      59 [ +  - ][ +  + ]:          9 :     if ( !bActive && nSeconds )
      60                 :          3 :         Start();
      61                 :          9 : }
      62                 :            : 
      63                 :            : 
      64                 :          0 : void ScRefreshTimer::Timeout()
      65                 :            : {
      66 [ #  # ][ #  # ]:          0 :     if ( ppControl && *ppControl && (*ppControl)->IsRefreshAllowed() )
         [ #  # ][ #  # ]
      67                 :            :     {
      68                 :            :         // now we COULD make the call in another thread ...
      69         [ #  # ]:          0 :         ::osl::MutexGuard aGuard( (*ppControl)->GetMutex() );
      70         [ #  # ]:          0 :         maTimeoutHdl.Call( this );
      71                 :            :         // restart from now on, don't execute immediately again if timed out
      72                 :            :         // a second time during refresh
      73         [ #  # ]:          0 :         if ( IsActive() )
      74 [ #  # ][ #  # ]:          0 :             Start();
      75                 :            :     }
      76                 :          0 : }
      77                 :            : 
      78                 :            : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */