//============================================================================
// NThreadUtilities::DelayFunctor : Delay a functor.
//----------------------------------------------------------------------------
void NThreadUtilities::DelayFunctor(const NFunctor &theFunctor, NTime theDelay, bool onMainThread)
{ NTimer *theTimer;
// Invoke immediately
//
// If we're to invoke on a new thread, or are already on the main
// thread, we can invoke the functor directly without any delay.
//
// If we can't (we have a delay or we're not the main thread but
// the functor must execute on the main thread), we fall through
// to the timer case.
if (NMathUtilities::IsZero(theDelay))
{
if (!onMainThread)
{
DetachFunctor(theFunctor);
return;
}
else if (NThread::IsMain())
{
theFunctor();
return;
}
}
// Invoke with a delay
theTimer = new NTimer;
if (theTimer != NULL)
theTimer->AddTimer(BindFunction(NThreadUtilities::DelayedFunctor, theTimer, theFunctor, onMainThread), theDelay);
}
