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This commit is contained in:
Ali 2021-10-26 21:07:21 +04:00
parent e285f405d9
commit ca6821c4f1
3 changed files with 24 additions and 1 deletions
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10
submodules/Display/Source/ListView.swift
View File

@ -4297,6 +4297,16 @@ open class ListView: ASDisplayNode, UIScrollViewAccessibilityDelegate, UIGesture
}
}
public func enumerateItemNodes(_ f: (ASDisplayNode) -> Bool) {
for itemNode in self.itemNodes {
if itemNode.index != nil {
if !f(itemNode) {
break
}
}
}
}
public func forEachVisibleItemNode(_ f: (ASDisplayNode) -> Void) {
for itemNode in self.itemNodes {
if itemNode.index != nil && itemNode.frame.maxY > self.insets.top && itemNode.frame.minY < self.visibleSize.height - self.insets.bottom {

12
submodules/TelegramUI/Sources/ChatController.swift
View File

@ -4964,11 +4964,21 @@ public final class ChatControllerImpl: TelegramBaseController, ChatController, G
self.chatDisplayNode.historyNode.contentPositionChanged = { [weak self] offset in
guard let strongSelf = self else { return }
var minOffsetForNavigation: CGFloat = 40.0
strongSelf.chatDisplayNode.historyNode.enumerateItemNodes { itemNode in
if let itemNode = itemNode as? ChatMessageBubbleItemNode {
if itemNode.item?.content.firstMessage.adAttribute != nil {
minOffsetForNavigation += itemNode.bounds.height
}
}
return false
}
let offsetAlpha: CGFloat
let plainInputSeparatorAlpha: CGFloat
switch offset {
case let .known(offset):
if offset < 40.0 {
if offset < minOffsetForNavigation {
offsetAlpha = 0.0
} else {
offsetAlpha = 1.0

3
submodules/TelegramUI/Sources/ChatMessageBubbleItemNode.swift
View File

@ -1972,6 +1972,9 @@ class ChatMessageBubbleItemNode: ChatMessageItemView, ChatMessagePreviewItemNode
if dateHeaderAtBottom {
layoutInsets.top += layoutConstants.timestampHeaderHeight
}
if isAd {
layoutInsets.top += 4.0
}
let layout = ListViewItemNodeLayout(contentSize: layoutSize, insets: layoutInsets)