in slideshow/src/main/java/com/zachklipp/richtext/ui/slideshow/NavigableContent.kt [76:83]
fun doInterceptNavigate(forward: Boolean): Boolean {
if (forward) numberChildrenVisible++ else numberChildrenVisible--
updateVisibilities()
// If we're navigating back and all content is hidden, or forward and all content is shown, then
// let the slideshow change slides.
return numberChildrenVisible in 0..childVisibilities.size
}