void
OverscrollHandoffChain::RequestSnapOnLock(Layer::ScrollDirection aAxis) const
{
for (uint32_t i = 0; i < Length(); ++i) {
AsyncPanZoomController* apzc = mChain[i];
if (!apzc->IsDestroyed()) {
switch (aAxis) {
case Layer::HORIZONTAL:
if (!apzc->CanScroll(Layer::VERTICAL)) {
apzc->RequestSnap();
}
break;
case Layer::VERTICAL:
if (!apzc->CanScroll(Layer::HORIZONTAL)) {
apzc->RequestSnap();
}
break;
default:
MOZ_ASSERT(false);
break;
}
}
}
}
