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Fine tune position of the navigation bar in media viewer.

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This commit is contained in:
Igor Solomennikov
2025-12-03 08:48:29 -08:00
committed by GitHub
parent f68a73fb8f
commit de7e8dafc0
1 changed files with 12 additions and 4 deletions
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16
Signal/src/ViewControllers/MediaGallery/MediaPageViewController.swift
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@@ -213,12 +213,20 @@ class MediaPageViewController: UIPageViewController {
super.viewSafeAreaInsetsDidChange()
if let navigationBarVerticalPositionConstraint {
// On iPhones with a Dynamic Island standard position of a navigation bar is bottom of the status bar,
// which is ~5 dp smaller than the top safe area (https://useyourloaf.com/blog/iphone-14-screen-sizes/) .
// which is ~5 dp smaller than the top safe area inset (https://useyourloaf.com/blog/iphone-14-screen-sizes/) .
// Since it is not possible to constrain top edge of our manually maintained navigation bar to that position
// the workaround is to detect exactly safe area of 59 points and decrease it.
// the workaround is to detect when top safe area inset is larger than the status bar height and adjust as needed.
var topInset = view.safeAreaInsets.top
if topInset == 59 {
topInset -= 5 + .hairlineWidth
if #unavailable(iOS 26),
let statusBarHeight = view.window?.windowScene?.statusBarManager?.statusBarFrame.height,
statusBarHeight < topInset
{
topInset = statusBarHeight
if #available(iOS 18, *) {
topInset = statusBarHeight + 2 + .hairlineWidth
} else if #available(iOS 16, *) {
topInset -= .hairlineWidth
}
}
// On iOS 26 in landscape the navigation bar is offset 24 dp from the screen top edge.
if #available(iOS 26, *), topInset.isZero {