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https://github.com/Swiftgram/Telegram-iOS.git
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235 lines
12 KiB
Swift
235 lines
12 KiB
Swift
import Foundation
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import UIKit
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import Display
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import AsyncDisplayKit
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import SwiftSignalKit
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import TelegramPresentationData
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import ItemListUI
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import PresentationDataUtils
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import ActivityIndicator
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final class CalculatingCacheSizeItem: ListViewItem, ItemListItem {
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let theme: PresentationTheme
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let title: String
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let sectionId: ItemListSectionId
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let style: ItemListStyle
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init(theme: PresentationTheme, title: String, sectionId: ItemListSectionId, style: ItemListStyle) {
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self.theme = theme
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self.title = title
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self.sectionId = sectionId
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self.style = style
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}
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func nodeConfiguredForParams(async: @escaping (@escaping () -> Void) -> Void, params: ListViewItemLayoutParams, synchronousLoads: Bool, previousItem: ListViewItem?, nextItem: ListViewItem?, completion: @escaping (ListViewItemNode, @escaping () -> (Signal<Void, NoError>?, (ListViewItemApply) -> Void)) -> Void) {
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async {
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let node = CalculatingCacheSizeItemNode()
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let (layout, apply) = node.asyncLayout()(self, params, itemListNeighbors(item: self, topItem: previousItem as? ItemListItem, bottomItem: nextItem as? ItemListItem))
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node.contentSize = layout.contentSize
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node.insets = layout.insets
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Queue.mainQueue().async {
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completion(node, {
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return (nil, { _ in apply() })
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})
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}
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}
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}
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func updateNode(async: @escaping (@escaping () -> Void) -> Void, node: @escaping () -> ListViewItemNode, params: ListViewItemLayoutParams, previousItem: ListViewItem?, nextItem: ListViewItem?, animation: ListViewItemUpdateAnimation, completion: @escaping (ListViewItemNodeLayout, @escaping (ListViewItemApply) -> Void) -> Void) {
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Queue.mainQueue().async {
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if let nodeValue = node() as? CalculatingCacheSizeItemNode {
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let makeLayout = nodeValue.asyncLayout()
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async {
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let (layout, apply) = makeLayout(self, params, itemListNeighbors(item: self, topItem: previousItem as? ItemListItem, bottomItem: nextItem as? ItemListItem))
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Queue.mainQueue().async {
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completion(layout, { _ in
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apply()
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})
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}
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}
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}
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}
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}
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}
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private let titleFont = Font.regular(14.0)
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private final class CalculatingCacheSizeItemNode: ListViewItemNode {
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private let backgroundNode: ASDisplayNode
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private let topStripeNode: ASDisplayNode
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private let bottomStripeNode: ASDisplayNode
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private let maskNode: ASImageNode
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private var activityIndicator: ActivityIndicator?
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private let titleNode: TextNode
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private var item: CalculatingCacheSizeItem?
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var tag: Any? {
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return self.item?.tag
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}
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init() {
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self.backgroundNode = ASDisplayNode()
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self.backgroundNode.isLayerBacked = true
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self.backgroundNode.backgroundColor = .white
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self.topStripeNode = ASDisplayNode()
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self.topStripeNode.isLayerBacked = true
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self.bottomStripeNode = ASDisplayNode()
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self.bottomStripeNode.isLayerBacked = true
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self.maskNode = ASImageNode()
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self.titleNode = TextNode()
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self.titleNode.isUserInteractionEnabled = false
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self.titleNode.contentMode = .left
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self.titleNode.contentsScale = UIScreen.main.scale
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super.init(layerBacked: false, dynamicBounce: false)
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self.addSubnode(self.titleNode)
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}
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func asyncLayout() -> (_ item: CalculatingCacheSizeItem, _ params: ListViewItemLayoutParams, _ neighbors: ItemListNeighbors) -> (ListViewItemNodeLayout, () -> Void) {
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let makeTitleLayout = TextNode.asyncLayout(self.titleNode)
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let currentItem = self.item
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return { item, params, neighbors in
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var updatedTheme: PresentationTheme?
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if currentItem?.theme !== item.theme {
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updatedTheme = item.theme
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}
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let (titleLayout, titleApply) = makeTitleLayout(TextNodeLayoutArguments(attributedString: NSAttributedString(string: item.title, font: titleFont, textColor: item.theme.list.itemSecondaryTextColor), backgroundColor: nil, maximumNumberOfLines: 0, truncationType: .end, constrainedSize: CGSize(width: params.width - params.leftInset - params.rightInset - 20.0, height: CGFloat.greatestFiniteMagnitude), alignment: .center, cutout: nil, insets: UIEdgeInsets()))
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let contentSize: CGSize
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let insets: UIEdgeInsets
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let separatorHeight = UIScreenPixel
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let itemBackgroundColor: UIColor
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let itemSeparatorColor: UIColor
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switch item.style {
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case .plain:
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itemBackgroundColor = item.theme.list.plainBackgroundColor
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itemSeparatorColor = item.theme.list.itemPlainSeparatorColor
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contentSize = CGSize(width: params.width, height: titleLayout.size.height + 22.0 + 24.0)
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insets = itemListNeighborsPlainInsets(neighbors)
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case .blocks:
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itemBackgroundColor = item.theme.list.itemBlocksBackgroundColor
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itemSeparatorColor = item.theme.list.itemBlocksSeparatorColor
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contentSize = CGSize(width: params.width, height: titleLayout.size.height + 22.0 + 24.0)
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insets = itemListNeighborsGroupedInsets(neighbors)
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}
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let layout = ListViewItemNodeLayout(contentSize: contentSize, insets: insets)
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return (layout, { [weak self] in
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if let strongSelf = self {
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strongSelf.item = item
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let activityIndicator: ActivityIndicator
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if let current = strongSelf.activityIndicator {
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activityIndicator = current
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} else {
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activityIndicator = ActivityIndicator(type: .custom(item.theme.list.itemAccentColor, 20.0, 2.0, false), speed: ActivityIndicatorSpeed.slow)
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strongSelf.activityIndicator = activityIndicator
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strongSelf.addSubnode(activityIndicator)
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}
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if let _ = updatedTheme {
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strongSelf.topStripeNode.backgroundColor = itemSeparatorColor
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strongSelf.bottomStripeNode.backgroundColor = itemSeparatorColor
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strongSelf.backgroundNode.backgroundColor = itemBackgroundColor
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activityIndicator.type = .custom(item.theme.list.itemAccentColor, 20.0, 2.0, false)
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}
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let _ = titleApply()
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let leftInset: CGFloat
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switch item.style {
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case .plain:
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leftInset = 35.0 + params.leftInset
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if strongSelf.backgroundNode.supernode != nil {
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strongSelf.backgroundNode.removeFromSupernode()
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}
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if strongSelf.topStripeNode.supernode != nil {
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strongSelf.topStripeNode.removeFromSupernode()
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}
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if strongSelf.bottomStripeNode.supernode == nil {
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strongSelf.insertSubnode(strongSelf.bottomStripeNode, at: 0)
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}
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strongSelf.bottomStripeNode.frame = CGRect(origin: CGPoint(x: leftInset, y: contentSize.height - separatorHeight), size: CGSize(width: params.width - leftInset, height: separatorHeight))
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case .blocks:
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leftInset = 16.0 + params.leftInset
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if strongSelf.backgroundNode.supernode == nil {
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strongSelf.insertSubnode(strongSelf.backgroundNode, at: 0)
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}
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if strongSelf.topStripeNode.supernode == nil {
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strongSelf.insertSubnode(strongSelf.topStripeNode, at: 1)
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}
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if strongSelf.bottomStripeNode.supernode == nil {
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strongSelf.insertSubnode(strongSelf.bottomStripeNode, at: 2)
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}
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if strongSelf.maskNode.supernode == nil {
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strongSelf.insertSubnode(strongSelf.maskNode, at: 3)
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}
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let hasCorners = itemListHasRoundedBlockLayout(params)
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var hasTopCorners = false
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var hasBottomCorners = false
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switch neighbors.top {
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case .sameSection(false):
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strongSelf.topStripeNode.isHidden = true
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default:
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hasTopCorners = true
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strongSelf.topStripeNode.isHidden = hasCorners
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}
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let bottomStripeInset: CGFloat
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let bottomStripeOffset: CGFloat
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switch neighbors.bottom {
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case .sameSection(false):
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bottomStripeInset = 16.0 + params.leftInset
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bottomStripeOffset = -separatorHeight
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default:
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bottomStripeInset = 0.0
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bottomStripeOffset = 0.0
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hasBottomCorners = true
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strongSelf.bottomStripeNode.isHidden = hasCorners
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}
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strongSelf.maskNode.image = hasCorners ? PresentationResourcesItemList.cornersImage(item.theme, top: hasTopCorners, bottom: hasBottomCorners) : nil
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strongSelf.backgroundNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: params.width, height: contentSize.height + min(insets.top, separatorHeight) + min(insets.bottom, separatorHeight)))
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strongSelf.maskNode.frame = strongSelf.backgroundNode.frame.insetBy(dx: params.leftInset, dy: 0.0)
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strongSelf.topStripeNode.frame = CGRect(origin: CGPoint(x: 0.0, y: -min(insets.top, separatorHeight)), size: CGSize(width: params.width, height: separatorHeight))
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strongSelf.bottomStripeNode.frame = CGRect(origin: CGPoint(x: bottomStripeInset, y: contentSize.height + bottomStripeOffset), size: CGSize(width: params.width - bottomStripeInset, height: separatorHeight))
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}
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strongSelf.titleNode.frame = CGRect(origin: CGPoint(x: params.leftInset + floor((params.width - params.leftInset - params.rightInset - titleLayout.size.width) / 2.0), y: 11.0 + 24.0), size: titleLayout.size)
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activityIndicator.frame = CGRect(origin: CGPoint(x: floor((params.width - 20.0) / 2.0), y: 8.0), size: CGSize(width: 20.0, height: 20.0))
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}
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})
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}
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}
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override func animateInsertion(_ currentTimestamp: Double, duration: Double, short: Bool) {
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self.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.4)
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}
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override func animateRemoved(_ currentTimestamp: Double, duration: Double) {
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self.layer.animateAlpha(from: 1.0, to: 0.0, duration: 0.15, removeOnCompletion: false)
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}
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}
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