void () { if (myDisposed || isMacOverlayScrollbar()) return; myThumbFadeAnimator.reset(); if (scrollbar != null && scrollbar.getValueIsAdjusting() || myMouseIsOverThumb || Registry.is("ui.no.bangs.and.whistles")) { myThumbFadeAnimator.suspend(); myThumbFadeColorShift = getAnimationColorShift(); } else { myThumbFadeAnimator.resume(); } }