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Code Issues Packages Projects Releases Wiki Activity

Various Improvements

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This commit is contained in:
Ilya Laktyushin
2021-11-29 03:34:24 +04:00
parent e98d60353d
commit 1d06d2c013
9 changed files with 116 additions and 27 deletions
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29
submodules/SettingsUI/Sources/Language Selection/LocalizationListController.swift
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@@ -29,6 +29,8 @@ public class LocalizationListController: ViewController {
private var searchContentNode: NavigationBarSearchContentNode?
private var previousContentOffset: ListViewVisibleContentOffset?
public init(context: AccountContext) {
self.context = context
@@ -125,8 +127,29 @@ public class LocalizationListController: ViewController {
})
self.controllerNode.listNode.visibleContentOffsetChanged = { [weak self] offset in
if let strongSelf = self, let searchContentNode = strongSelf.searchContentNode {
searchContentNode.updateListVisibleContentOffset(offset)
if let strongSelf = self {
if let searchContentNode = strongSelf.searchContentNode {
searchContentNode.updateListVisibleContentOffset(offset)
}
var previousContentOffsetValue: CGFloat?
if let previousContentOffset = strongSelf.previousContentOffset, case let .known(value) = previousContentOffset {
previousContentOffsetValue = value
}
switch offset {
case let .known(value):
let transition: ContainedViewLayoutTransition
if let previousContentOffsetValue = previousContentOffsetValue, value <= 0.0, previousContentOffsetValue > 30.0 {
transition = .animated(duration: 0.2, curve: .easeInOut)
} else {
transition = .immediate
}
strongSelf.navigationBar?.updateBackgroundAlpha(min(30.0, max(0.0, value - 54.0)) / 30.0, transition: transition)
case .unknown, .none:
strongSelf.navigationBar?.updateBackgroundAlpha(1.0, transition: .immediate)
}
strongSelf.previousContentOffset = offset
}
}
@@ -138,6 +161,8 @@ public class LocalizationListController: ViewController {
self._ready.set(self.controllerNode._ready.get())
self.navigationBar?.updateBackgroundAlpha(0.0, transition: .immediate)
self.displayNodeDidLoad()
}