mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
synced 2024-12-24 16:51:19 +01:00
Make attributed titles work on iOS
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parent
dc787620c5
commit
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@ -6,11 +6,29 @@
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// Copyright © 2020 Ranchero Software. All rights reserved.
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//
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#if canImport(AppKit)
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import AppKit
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typealias Font = NSFont
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typealias FontDescriptor = NSFontDescriptor
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typealias Color = NSColor
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private let boldTrait = NSFontDescriptor.SymbolicTraits.bold
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private let italicTrait = NSFontDescriptor.SymbolicTraits.italic
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private let monoSpaceTrait = NSFontDescriptor.SymbolicTraits.monoSpace
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#else
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import UIKit
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typealias Font = UIFont
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typealias FontDescriptor = UIFontDescriptor
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typealias Color = UIColor
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private let boldTrait = UIFontDescriptor.SymbolicTraits.traitBold
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private let italicTrait = UIFontDescriptor.SymbolicTraits.traitItalic
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private let monoSpaceTrait = UIFontDescriptor.SymbolicTraits.traitMonoSpace
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#endif
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extension NSAttributedString {
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func adding(font baseFont: NSFont, color: NSColor? = nil) -> NSAttributedString {
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func adding(font baseFont: Font, color: Color? = nil) -> NSAttributedString {
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let mutable = self.mutableCopy() as! NSMutableAttributedString
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let fullRange = NSRange(location: 0, length: mutable.length)
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@ -22,60 +40,68 @@ extension NSAttributedString {
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let baseDescriptor = baseFont.fontDescriptor
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let baseSymbolicTraits = baseDescriptor.symbolicTraits
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let baseTraits = baseDescriptor.object(forKey: .traits) as! [NSFontDescriptor.TraitKey: Any]
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let baseWeight = baseTraits[.weight] as! NSFont.Weight
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let baseTraits = baseDescriptor.object(forKey: .traits) as! [FontDescriptor.TraitKey: Any]
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let baseWeight = baseTraits[.weight] as! Font.Weight
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mutable.enumerateAttribute(.font, in: fullRange, options: []) { (font: Any?, range: NSRange, stop: UnsafeMutablePointer<ObjCBool>) in
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guard let font = font as? NSFont else { return }
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guard let font = font as? Font else { return }
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var newSymbolicTraits = baseSymbolicTraits
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let symbolicTraits = font.fontDescriptor.symbolicTraits
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if symbolicTraits.contains(.italic) {
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newSymbolicTraits.insert(.italic)
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if symbolicTraits.contains(italicTrait) {
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newSymbolicTraits.insert(italicTrait)
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}
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if symbolicTraits.contains(.monoSpace) {
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newSymbolicTraits.insert(.monoSpace)
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if symbolicTraits.contains(monoSpaceTrait) {
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newSymbolicTraits.insert(monoSpaceTrait)
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}
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#if canImport(AppKit)
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var descriptor = baseDescriptor.withSymbolicTraits(newSymbolicTraits)
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#else
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var descriptor = baseDescriptor.withSymbolicTraits(newSymbolicTraits)!
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#endif
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if symbolicTraits.contains(.bold) {
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if symbolicTraits.contains(boldTrait) {
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// If the base font is semibold (as timeline titles are), make the "bold"
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// text heavy for better contrast.
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if baseWeight == .semibold {
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let traits: [NSFontDescriptor.TraitKey: Any] = [.weight: NSFont.Weight.heavy]
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let attributes: [NSFontDescriptor.AttributeName: Any] = [.traits: traits]
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let traits: [FontDescriptor.TraitKey: Any] = [.weight: Font.Weight.heavy]
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let attributes: [FontDescriptor.AttributeName: Any] = [.traits: traits]
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descriptor = descriptor.addingAttributes(attributes)
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}
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}
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let newFont = NSFont(descriptor: descriptor, size: size)
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let newFont = Font(descriptor: descriptor, size: size)
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mutable.addAttribute(.font, value: newFont as Any, range: range)
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}
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// make sup/sub smaller
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// make sup/sub smaller. `Key("NSSupeScript")` is used here because `.superscript`
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// isn't defined in UIKit, for some reason.
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mutable.enumerateAttributes(in: fullRange, options: []) { (attributes: [Key : Any], range: NSRange, stop: UnsafeMutablePointer<ObjCBool>) in
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guard let superscript = attributes[.superscript] as? Int else {
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guard let superscript = attributes[Key("NSSuperScript")] as? Int else {
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return
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}
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if superscript != 0 {
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let font = mutable.attribute(.font, at: range.location, effectiveRange: nil) as! NSFont
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let font = mutable.attribute(.font, at: range.location, effectiveRange: nil) as! Font
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let features: [NSFontDescriptor.FeatureKey: Any] = [.typeIdentifier: kVerticalPositionType, .selectorIdentifier: superscript > 0 ? kSuperiorsSelector : kInferiorsSelector]
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let attributes: [NSFontDescriptor.AttributeName: Any] = [.featureSettings: [features]]
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#if canImport(AppKit)
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let features: [FontDescriptor.FeatureKey: Any] = [.typeIdentifier: kVerticalPositionType, .selectorIdentifier: superscript > 0 ? kSuperiorsSelector : kInferiorsSelector]
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#else
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let features: [FontDescriptor.FeatureKey: Any] = [.featureIdentifier: kVerticalPositionType, .typeIdentifier: superscript > 0 ? kSuperiorsSelector : kInferiorsSelector]
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#endif
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let attributes: [FontDescriptor.AttributeName: Any] = [.featureSettings: [features]]
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let descriptor = font.fontDescriptor.addingAttributes(attributes)
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let newFont = NSFont(descriptor: descriptor, size: font.pointSize)
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let newFont = Font(descriptor: descriptor, size: font.pointSize)
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mutable.addAttribute(.font, value: newFont as Any, range: range)
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mutable.addAttribute(.superscript, value: 0, range: range)
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mutable.addAttribute(Key("NSSuperScript"), value: 0, range: range)
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}
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}
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return mutable.copy() as! NSAttributedString
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@ -731,6 +731,7 @@
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B2B8075E239C49D300F191E0 /* RSImage-AppIcons.swift in Sources */ = {isa = PBXBuildFile; fileRef = B2B8075D239C49D300F191E0 /* RSImage-AppIcons.swift */; };
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B2B80778239C4C7000F191E0 /* RSImage-AppIcons.swift in Sources */ = {isa = PBXBuildFile; fileRef = B2B8075D239C49D300F191E0 /* RSImage-AppIcons.swift */; };
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B2B80779239C4C7300F191E0 /* RSImage-AppIcons.swift in Sources */ = {isa = PBXBuildFile; fileRef = B2B8075D239C49D300F191E0 /* RSImage-AppIcons.swift */; };
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B2C0FDEA2447A69100ADC150 /* NSAttributedString+NetNewsWire.swift in Sources */ = {isa = PBXBuildFile; fileRef = B26B9571243D176B0053EEF5 /* NSAttributedString+NetNewsWire.swift */; };
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B528F81E23333C7E00E735DD /* page.html in Resources */ = {isa = PBXBuildFile; fileRef = B528F81D23333C7E00E735DD /* page.html */; };
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BDCB516724282C8A00102A80 /* AccountsNewsBlur.xib in Resources */ = {isa = PBXBuildFile; fileRef = BDCB514D24282C8A00102A80 /* AccountsNewsBlur.xib */; };
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BDCB516824282C8A00102A80 /* AccountsNewsBlur.xib in Resources */ = {isa = PBXBuildFile; fileRef = BDCB514D24282C8A00102A80 /* AccountsNewsBlur.xib */; };
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@ -4307,6 +4308,7 @@
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51F9F3F923DFB16300A314FD /* UITableView-Extensions.swift in Sources */,
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51C452792265091600C03939 /* MasterTimelineTableViewCell.swift in Sources */,
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51C4526B226508F600C03939 /* MasterFeedViewController.swift in Sources */,
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B2C0FDEA2447A69100ADC150 /* NSAttributedString+NetNewsWire.swift in Sources */,
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5126EE97226CB48A00C22AFC /* SceneCoordinator.swift in Sources */,
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84CAFCB022BC8C35007694F0 /* FetchRequestOperation.swift in Sources */,
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51EF0F77227716200050506E /* FaviconGenerator.swift in Sources */,
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@ -12,6 +12,7 @@ import Articles
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struct MasterTimelineCellData {
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let title: String
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let attributedTitle: NSAttributedString
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let summary: String
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let dateString: String
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let feedName: String
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@ -28,6 +29,7 @@ struct MasterTimelineCellData {
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init(article: Article, showFeedName: ShowFeedName, feedName: String?, byline: String?, iconImage: IconImage?, showIcon: Bool, featuredImage: UIImage?, numberOfLines: Int, iconSize: IconSize) {
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self.title = ArticleStringFormatter.truncatedTitle(article)
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self.attributedTitle = ArticleStringFormatter.attributedTruncatedTitle(article)
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self.summary = ArticleStringFormatter.truncatedSummary(article)
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self.dateString = ArticleStringFormatter.dateString(article.logicalDatePublished)
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@ -60,6 +62,7 @@ struct MasterTimelineCellData {
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init() { //Empty
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self.title = ""
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self.attributedTitle = NSAttributedString()
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self.summary = ""
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self.dateString = ""
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self.feedName = ""
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@ -148,7 +148,7 @@ private extension MasterTimelineTableViewCell {
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func updateTitleView() {
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titleView.font = MasterTimelineDefaultCellLayout.titleFont
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titleView.textColor = labelColor
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updateTextFieldText(titleView, cellData?.title)
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updateTextFieldAttributedText(titleView, cellData?.attributedTitle)
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}
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func updateSummaryView() {
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@ -171,6 +171,19 @@ private extension MasterTimelineTableViewCell {
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}
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}
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func updateTextFieldAttributedText(_ label: UILabel, _ text: NSAttributedString?) {
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var s = text ?? NSAttributedString(string: "")
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if let fieldFont = label.font, let color = label.textColor {
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s = s.adding(font: fieldFont, color: color)
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}
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if label.attributedText != s {
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label.attributedText = s
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setNeedsLayout()
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}
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}
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func updateFeedNameView() {
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switch cellData.showFeedName {
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case .feed:
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