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Fix compose reply avatar scroll effect not working on iOS 15

This commit is contained in:
Shadowfacts 2021-06-09 11:01:11 -04:00
parent 91f1a5195c
commit 8889261b6b
1 changed files with 18 additions and 7 deletions
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17
Tusker/Screens/Compose/ComposeReplyView.swift
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@ -52,9 +52,20 @@ struct ComposeReplyView: View {
private func replyAvatarImage(geometry: GeometryProxy) -> some View {
// using named coordinate spaces produces an incorrect scroll offset on iOS 13,
// so simply compare the geometry inside and outside the scroll view in the global coordinate space
var scrollOffset = outerMinY - geometry.frame(in: .global).minY
scrollOffset += stackPadding
let offset = min(max(scrollOffset, 0), geometry.size.height - 50 - stackPadding)
let scrollOffset = outerMinY - geometry.frame(in: .global).minY
// add stackPadding so that the image is always at least stackPadding away from the top
var offset = scrollOffset + stackPadding
// offset can never be less than 0 (i.e., above the top of the in-reply-to content)
offset = max(offset, 0)
// subtract 50, because we care about where the bottom of the view is but the offset is relative to the top of the view
let maxOffset = (contentHeight ?? 0) - 50
// once you scroll past the in-reply-to-content, the bottom of the avatar should be pinned to the bottom of the content
offset = min(offset, maxOffset)
return ComposeAvatarImageView(url: status.account.avatar)
.frame(width: 50, height: 50)
.cornerRadius(preferences.avatarStyle.cornerRadiusFraction * 50)