mirror of
https://github.com/Swiftgram/Telegram-iOS.git
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99 lines
3.8 KiB
Swift
99 lines
3.8 KiB
Swift
import AsyncDisplayKit
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import Display
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import TelegramPresentationData
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enum PeerInfoScreenActionColor {
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case accent
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case destructive
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}
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final class PeerInfoScreenActionItem: PeerInfoScreenItem {
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let id: AnyHashable
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let text: String
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let color: PeerInfoScreenActionColor
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let action: (() -> Void)?
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init(id: AnyHashable, text: String, color: PeerInfoScreenActionColor = .accent, action: (() -> Void)?) {
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self.id = id
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self.text = text
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self.color = color
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self.action = action
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}
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func node() -> PeerInfoScreenItemNode {
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return PeerInfoScreenActionItemNode()
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}
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}
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private final class PeerInfoScreenActionItemNode: PeerInfoScreenItemNode {
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private let selectionNode: PeerInfoScreenSelectableBackgroundNode
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private let textNode: ImmediateTextNode
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private let bottomSeparatorNode: ASDisplayNode
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private var item: PeerInfoScreenActionItem?
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override init() {
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var bringToFrontForHighlightImpl: (() -> Void)?
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self.selectionNode = PeerInfoScreenSelectableBackgroundNode(bringToFrontForHighlight: { bringToFrontForHighlightImpl?() })
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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.bottomSeparatorNode = ASDisplayNode()
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self.bottomSeparatorNode.isLayerBacked = true
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super.init()
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bringToFrontForHighlightImpl = { [weak self] in
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self?.bringToFrontForHighlight?()
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}
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self.addSubnode(self.bottomSeparatorNode)
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self.addSubnode(self.selectionNode)
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self.addSubnode(self.textNode)
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}
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override func update(width: CGFloat, presentationData: PresentationData, item: PeerInfoScreenItem, topItem: PeerInfoScreenItem?, bottomItem: PeerInfoScreenItem?, transition: ContainedViewLayoutTransition) -> CGFloat {
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guard let item = item as? PeerInfoScreenActionItem else {
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return 10.0
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}
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self.item = item
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self.selectionNode.pressed = item.action
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let sideInset: CGFloat = 16.0
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self.bottomSeparatorNode.backgroundColor = presentationData.theme.list.itemBlocksSeparatorColor
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let textColorValue: UIColor
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switch item.color {
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case .accent:
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textColorValue = presentationData.theme.list.itemAccentColor
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case .destructive:
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textColorValue = presentationData.theme.list.itemDestructiveColor
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}
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self.textNode.maximumNumberOfLines = 1
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self.textNode.attributedText = NSAttributedString(string: item.text, font: Font.regular(17.0), textColor: textColorValue)
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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: 11.0), size: textSize)
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let height = textSize.height + 22.0
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transition.updateFrame(node: self.textNode, frame: textFrame)
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let highlightNodeOffset: CGFloat = topItem == nil ? 0.0 : UIScreenPixel
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self.selectionNode.update(size: CGSize(width: width, height: height + highlightNodeOffset), theme: presentationData.theme, transition: transition)
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transition.updateFrame(node: self.selectionNode, frame: CGRect(origin: CGPoint(x: 0.0, y: -highlightNodeOffset), size: CGSize(width: width, height: height + highlightNodeOffset)))
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transition.updateFrame(node: self.bottomSeparatorNode, frame: CGRect(origin: CGPoint(x: sideInset, y: height - UIScreenPixel), size: CGSize(width: width - sideInset, height: UIScreenPixel)))
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transition.updateAlpha(node: self.bottomSeparatorNode, alpha: bottomItem == nil ? 0.0 : 1.0)
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return height
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}
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}
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