PawletOS/Lawnchair
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Reverse edge effects when dragging in opposite direction

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This commit is contained in:
Suphon Thanakornpakapong
2021-10-12 22:54:38 +07:00
parent afb223630b
commit 66f4e7fee6
1 changed files with 21 additions and 1 deletions
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lawnchair/src/app/lawnchair/ui/preferences/components/NestedScrollStretch.kt
+21 -1
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@@ -81,6 +81,26 @@ private class NestedScrollStretchConnection(context: Context, invalidate: Runnab
val topEdgeEffect = StretchEdgeEffect(context, invalidate, invalidate)
val bottomEdgeEffect = StretchEdgeEffect(context, invalidate, invalidate)
override fun onPreScroll(available: Offset, source: NestedScrollSource): Offset {
val availableY = available.y
when {
source != NestedScrollSource.Drag || height == 0 -> return Offset.Zero
availableY != 0f -> {
if (availableY < 0f) {
val consumed = topEdgeEffect.onPullDistance(availableY / height, 0f)
if (topEdgeEffect.distance == 0f) topEdgeEffect.onRelease()
return Offset(0f, consumed * height)
}
if (availableY > 0f) {
val consumed = bottomEdgeEffect.onPullDistance(-availableY / height, 0f)
if (bottomEdgeEffect.distance == 0f) bottomEdgeEffect.onRelease()
return Offset(0f, -consumed * height)
}
}
}
return Offset.Zero
}
override fun onPostScroll(
consumed: Offset,
available: Offset,
@@ -89,7 +109,7 @@ private class NestedScrollStretchConnection(context: Context, invalidate: Runnab
val availableY = available.y
when {
source != NestedScrollSource.Drag || height == 0 -> return Offset.Zero
availableY != 0F -> {
availableY != 0f -> {
if (availableY > 0f) {
topEdgeEffect.onPull(availableY / height)
} else {