Fix webtoon last visible item position calculation (#562)

Covers the case when image height > screen height.
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FooIbar 2024-03-22 20:56:48 +08:00 committed by GitHub
parent 6682b5dd39
commit 34930920a5
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@ -36,20 +36,21 @@ class WebtoonLayoutManager(context: Context) : LinearLayoutManager(context) {
*/
fun findLastEndVisibleItemPosition(): Int {
ensureLayoutState()
@ViewBoundsCheck.ViewBounds val preferredBoundsFlag =
(ViewBoundsCheck.FLAG_CVE_LT_PVE or ViewBoundsCheck.FLAG_CVE_EQ_PVE)
val fromIndex = childCount - 1
val toIndex = -1
val child = if (mOrientation == HORIZONTAL) {
val callback = if (mOrientation == HORIZONTAL) {
mHorizontalBoundCheck
.findOneViewWithinBoundFlags(fromIndex, toIndex, preferredBoundsFlag, 0)
} else {
mVerticalBoundCheck
.findOneViewWithinBoundFlags(fromIndex, toIndex, preferredBoundsFlag, 0)
}.mCallback
val start = callback.parentStart
val end = callback.parentEnd
for (i in childCount - 1 downTo 0) {
val child = getChildAt(i)!!
val childStart = callback.getChildStart(child)
val childEnd = callback.getChildEnd(child)
if (childEnd <= end || childStart < start) {
return getPosition(child)
}
}
return if (child == null) NO_POSITION else getPosition(child)
return NO_POSITION
}
}