sc/source/core/tool/refreshtimer.cxx

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   9  * $RCSfile: refreshtimer.cxx,v $
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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_sc.hxx"
  33
  34
  35
  36 #include "refreshtimer.hxx"
  37
  38
  39 ScRefreshTimerProtector::ScRefreshTimerProtector( ScRefreshTimerControl * const * pp )
  40         :
  41         ppControl( pp )
  42 {
  43     if ( ppControl && *ppControl )
  44     {
  45         (*ppControl)->SetAllowRefresh( FALSE );
  46         // wait for any running refresh in another thread to finnish
  47         ::vos::OGuard aGuard( (*ppControl)->GetMutex() );
  48     }
  49 }
  50
  51
  52 ScRefreshTimer::~ScRefreshTimer()
  53 {
  54     if ( IsActive() )
  55         Stop();
  56     RemoveFromControl();
  57 }
  58
  59
  60 void ScRefreshTimer::SetRefreshDelay( ULONG nSeconds )
  61 {
  62     BOOL bActive = IsActive();
  63     if ( bActive && !nSeconds )
  64         Stop();
  65     SetTimeout( nSeconds * 1000 );
  66     if ( !bActive && nSeconds )
  67         Start();
  68 }
  69
  70
  71 void ScRefreshTimer::Timeout()
  72 {
  73     if ( ppControl && *ppControl && (*ppControl)->IsRefreshAllowed() )
  74     {
  75         // now we COULD make the call in another thread ...
  76         ::vos::OGuard aGuard( (*ppControl)->GetMutex() );
  77         maTimeoutHdl.Call( this );
  78         // restart from now on, don't execute immediately again if timed out
  79         // a second time during refresh
  80         if ( IsActive() )
  81             Start();
  82     }
  83 }
  84