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Unread node alignment

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This commit is contained in:
Ali 2022-11-10 00:53:10 +04:00
parent 65849aa858
commit 0b1155157b
2 changed files with 29 additions and 3 deletions
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2
submodules/Display/Source/ListViewItemNode.swift
View File

@ -88,7 +88,7 @@ open class ListViewItemNode: ASDisplayNode, AccessibilityFocusableNode {
}
let rotated: Bool
final var index: Int?
public internal(set) final var index: Int?
public var isHighlightedInOverlay: Bool = false

30
submodules/TelegramUI/Sources/ChatHistoryListNode.swift
View File

@ -420,6 +420,8 @@ public final class ChatHistoryListNode: ListView, ChatHistoryNode {
private let controllerInteraction: ChatControllerInteraction
private let mode: ChatHistoryListMode
private var enableUnreadAlignment: Bool = true
private var historyView: ChatHistoryView?
private let historyDisposable = MetaDisposable()
@ -660,6 +662,10 @@ public final class ChatHistoryListNode: ListView, ChatHistoryNode {
self.controllerInteraction = controllerInteraction
self.mode = mode
if let data = context.currentAppConfiguration.with({ $0 }).data, let _ = data["ios_killswitch_disable_unread_alignment"] {
self.enableUnreadAlignment = false
}
let presentationData = updatedPresentationData.initial
self.currentPresentationData = ChatPresentationData(theme: ChatPresentationThemeData(theme: presentationData.theme, wallpaper: presentationData.chatWallpaper), fontSize: presentationData.chatFontSize, strings: presentationData.strings, dateTimeFormat: presentationData.dateTimeFormat, nameDisplayOrder: presentationData.nameDisplayOrder, disableAnimations: true, largeEmoji: presentationData.largeEmoji, chatBubbleCorners: presentationData.chatBubbleCorners, animatedEmojiScale: 1.0)
@ -3147,11 +3153,31 @@ public final class ChatHistoryListNode: ListView, ChatHistoryNode {
public func updateLayout(transition: ContainedViewLayoutTransition, updateSizeAndInsets: ListViewUpdateSizeAndInsets, additionalScrollDistance: CGFloat, scrollToTop: Bool, completion: @escaping () -> Void) {
var scrollToItem: ListViewScrollToItem?
var postScrollToItem: ListViewScrollToItem?
if scrollToTop, case .known = self.visibleContentOffset() {
scrollToItem = ListViewScrollToItem(index: 0, position: .top(0.0), animated: true, curve: .Spring(duration: updateSizeAndInsets.duration), directionHint: .Up)
} else if self.enableUnreadAlignment {
if updateSizeAndInsets.insets.bottom != self.insets.bottom {
self.forEachVisibleItemNode { itemNode in
if let itemNode = itemNode as? ChatUnreadItemNode, let index = itemNode.index {
if abs(itemNode.frame.maxY - (self.visibleSize.height - self.insets.bottom + 6.0)) < 1.0 {
postScrollToItem = ListViewScrollToItem(index: index, position: .bottom(0.0), animated: updateSizeAndInsets.duration != 0.0, curve: updateSizeAndInsets.curve, directionHint: .Up)
}
}
}
}
}
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: scrollToItem, additionalScrollDistance: scrollToTop ? 0.0 : additionalScrollDistance, updateSizeAndInsets: updateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in
completion()
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: scrollToItem, additionalScrollDistance: scrollToTop ? 0.0 : additionalScrollDistance, updateSizeAndInsets: updateSizeAndInsets, stationaryItemRange: nil, updateOpaqueState: nil, completion: { [weak self] _ in
guard let self else {
return
}
if let postScrollToItem = postScrollToItem {
self.transaction(deleteIndices: [], insertIndicesAndItems: [], updateIndicesAndItems: [], options: [.Synchronous, .LowLatency], scrollToItem: postScrollToItem, additionalScrollDistance: 0.0, updateSizeAndInsets: nil, stationaryItemRange: nil, updateOpaqueState: nil, completion: { _ in
completion()
})
} else {
completion()
}
})
if !self.dequeuedInitialTransitionOnLayout {