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remove scroll to top behavior on iphone reader view

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This commit is contained in:
Satindar Dhillon 2022-02-16 20:27:28 -08:00
parent e07a504daa
commit 45533fa562
1 changed files with 4 additions and 10 deletions
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14
apple/OmnivoreKit/Sources/Views/Article/WebAppViewCoordinator.swift
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@ -19,6 +19,7 @@ final class WebAppViewCoordinator: NSObject {
var navBarVisibilityRatio: Double = 1.0 {
didSet {
isNavBarHidden = navBarVisibilityRatio == 0
updateNavBarVisibilityRatio(navBarVisibilityRatio)
}
}
@ -55,8 +56,7 @@ extension WebAppViewCoordinator: UIScrollViewDelegate {
let yOffset = scrollView.contentOffset.y
if yOffset <= 0 {
isNavBarHidden = false
if yOffset == 0 {
navBarVisibilityRatio = 1
return
}
@ -72,7 +72,6 @@ extension WebAppViewCoordinator: UIScrollViewDelegate {
if yOffset > yOffsetAtStartOfDrag, !isNavBarHidden {
let translation = yOffset - yOffsetAtStartOfDrag
let ratio = translation < navBarHeight ? 1 - (translation / navBarHeight) : 0
isNavBarHidden = ratio == 0
navBarVisibilityRatio = ratio
}
}
@ -80,18 +79,13 @@ extension WebAppViewCoordinator: UIScrollViewDelegate {
func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
if decelerate, scrollView.contentOffset.y < (yOffsetAtStartOfDrag ?? 0) {
navBarVisibilityRatio = 1
isNavBarHidden = false
}
yOffsetAtStartOfDrag = nil
}
func scrollViewShouldScrollToTop(_: UIScrollView) -> Bool {
if navBarVisibilityRatio == 1 {
return true
} else {
navBarVisibilityRatio = 1
return false
}
navBarVisibilityRatio = 1
return false
}
}