mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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76 lines
2.9 KiB
Swift
76 lines
2.9 KiB
Swift
import AsyncDisplayKit
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import Display
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import TelegramPresentationData
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import TextFormat
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import Markdown
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final class PeerInfoScreenCommentItem: PeerInfoScreenItem {
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let id: AnyHashable
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let text: String
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init(id: AnyHashable, text: String) {
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self.id = id
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self.text = text
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}
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func node() -> PeerInfoScreenItemNode {
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return PeerInfoScreenCommentItemNode()
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}
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}
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private final class PeerInfoScreenCommentItemNode: PeerInfoScreenItemNode {
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private let textNode: ImmediateTextNode
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private let activateArea: AccessibilityAreaNode
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private var item: PeerInfoScreenCommentItem?
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override init() {
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self.textNode = ImmediateTextNode()
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self.textNode.displaysAsynchronously = false
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self.textNode.isUserInteractionEnabled = false
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self.activateArea = AccessibilityAreaNode()
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self.activateArea.accessibilityTraits = .staticText
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super.init()
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self.addSubnode(self.textNode)
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self.addSubnode(self.activateArea)
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}
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override func update(width: CGFloat, safeInsets: UIEdgeInsets, presentationData: PresentationData, item: PeerInfoScreenItem, topItem: PeerInfoScreenItem?, bottomItem: PeerInfoScreenItem?, hasCorners: Bool, transition: ContainedViewLayoutTransition) -> CGFloat {
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guard let item = item as? PeerInfoScreenCommentItem else {
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return 10.0
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}
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self.item = item
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let sideInset: CGFloat = 16.0 + safeInsets.left
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let verticalInset: CGFloat = 7.0
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self.textNode.maximumNumberOfLines = 0
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let textFont = Font.regular(presentationData.listsFontSize.itemListBaseHeaderFontSize)
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let textColor = presentationData.theme.list.freeTextColor
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let attributedText = parseMarkdownIntoAttributedString(item.text, attributes: MarkdownAttributes(body: MarkdownAttributeSet(font: textFont, textColor: textColor), bold: MarkdownAttributeSet(font: textFont, textColor: textColor), link: MarkdownAttributeSet(font: textFont, textColor: presentationData.theme.list.itemAccentColor), linkAttribute: { contents in
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return (TelegramTextAttributes.URL, contents)
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}))
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self.textNode.attributedText = attributedText
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self.activateArea.accessibilityLabel = attributedText.string
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let textSize = self.textNode.updateLayout(CGSize(width: width - sideInset * 2.0, height: .greatestFiniteMagnitude))
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let textFrame = CGRect(origin: CGPoint(x: sideInset, y: verticalInset), size: textSize)
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let height = textSize.height + verticalInset * 2.0
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transition.updateFrame(node: self.textNode, frame: textFrame)
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self.activateArea.frame = CGRect(origin: CGPoint(x: safeInsets.left, y: 0.0), size: CGSize(width: width - safeInsets.left - safeInsets.right, height: height))
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return height
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}
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}
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