Add underline links preference

Closes #397

Packages/TuskerPreferences/Sources/TuskerPreferences/Preferences.swift

@@ -61,6 +61,7 @@ public final class Preferences: Codable, ObservableObject {
         self.leadingStatusSwipeActions = try container.decodeIfPresent([StatusSwipeAction].self, forKey: .leadingStatusSwipeActions) ?? leadingStatusSwipeActions
         self.trailingStatusSwipeActions = try container.decodeIfPresent([StatusSwipeAction].self, forKey: .trailingStatusSwipeActions) ?? trailingStatusSwipeActions
         self.widescreenNavigationMode = try container.decodeIfPresent(WidescreenNavigationMode.self, forKey: .widescreenNavigationMode) ?? Self.defaultWidescreenNavigationMode
+        self.underlineTextLinks = try container.decodeIfPresent(Bool.self, forKey: .underlineTextLinks) ?? false
         
         self.defaultPostVisibility = try container.decode(Visibility.self, forKey: .defaultPostVisibility)
         self.defaultReplyVisibility = try container.decodeIfPresent(ReplyVisibility.self, forKey: .defaultReplyVisibility) ?? .sameAsPost
@@ -121,6 +122,7 @@ public final class Preferences: Codable, ObservableObject {
         try container.encode(leadingStatusSwipeActions, forKey: .leadingStatusSwipeActions)
         try container.encode(trailingStatusSwipeActions, forKey: .trailingStatusSwipeActions)
         try container.encode(widescreenNavigationMode, forKey: .widescreenNavigationMode)
+        try container.encode(underlineTextLinks, forKey: .underlineTextLinks)
         
         try container.encode(defaultPostVisibility, forKey: .defaultPostVisibility)
         try container.encode(defaultReplyVisibility, forKey: .defaultReplyVisibility)
@@ -175,6 +177,7 @@ public final class Preferences: Codable, ObservableObject {
     @Published public var trailingStatusSwipeActions: [StatusSwipeAction] = [.reply, .share]
     private static var defaultWidescreenNavigationMode = WidescreenNavigationMode.splitScreen
     @Published public var widescreenNavigationMode  = Preferences.defaultWidescreenNavigationMode
+    @Published public var underlineTextLinks = false
     
     // MARK: Composing
     @Published public var defaultPostVisibility = Visibility.public
@@ -245,6 +248,7 @@ public final class Preferences: Codable, ObservableObject {
         case leadingStatusSwipeActions
         case trailingStatusSwipeActions
         case widescreenNavigationMode
+        case underlineTextLinks
         
         case defaultPostVisibility
         case defaultReplyVisibility

Tusker/CoreData/AccountMO.swift

@@ -59,10 +59,15 @@ public final class AccountMO: NSManagedObject, AccountProtocol {
         super.awakeFromFetch()
         
         managedObjectContext?.perform {
-            self.lastFetchedAt = Date()
+            self.touch()
         }
     }
     
+    /// Update the `lastFetchedAt` date so this object isn't pruned early.
+    func touch() {
+        lastFetchedAt = Date()
+    }
+
 }
 
 extension AccountMO {

Tusker/CoreData/StatusMO.swift

@@ -89,10 +89,15 @@ public final class StatusMO: NSManagedObject, StatusProtocol {
         super.awakeFromFetch()
         
         managedObjectContext?.perform {
-            self.lastFetchedAt = Date()
+            self.touch()
         }
     }
     
+    /// Update the `lastFetchedAt` date so this object isn't pruned early.
+    func touch() {
+        lastFetchedAt = Date()
+    }
+    
 }
 
 extension StatusMO {

Tusker/Screens/Preferences/AppearancePrefsView.swift

@@ -124,6 +124,9 @@ struct AppearancePrefsView : View {
             Toggle(isOn: $preferences.showLinkPreviews) {
                 Text("Show Link Previews")
             }
+            Toggle(isOn: $preferences.underlineTextLinks) {
+                Text("Underline Links")
+            }
             NavigationLink("Leading Swipe Actions") {
                 SwipeActionsPrefsView(selection: $preferences.leadingStatusSwipeActions)
                     .edgesIgnoringSafeArea(.all)

Tusker/Screens/Timeline/TimelineJumpButton.swift

@@ -20,6 +20,8 @@ class TimelineJumpButton: UIView {
         var config = UIButton.Configuration.plain()
         config.image = UIImage(systemName: "arrow.up")
         config.contentInsets = .zero
+        // We don't want a background for this button, even when accessibility button shapes are enabled, because it's in the navbar.
+        config.background.backgroundColor = .clear
         return UIButton(configuration: config)
     }()
     

Tusker/Screens/Timeline/TimelineViewController.swift

@@ -440,7 +440,15 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
     private func loadStatusesToRestore(position: TimelinePosition) async -> Bool {
         let originalPositionStatusIDs = position.statusIDs
         
-        let unloaded = position.statusIDs.filter({ mastodonController.persistentContainer.status(for: $0) == nil })
+        var unloaded = [String]()
+        for id in position.statusIDs {
+            if let status = mastodonController.persistentContainer.status(for: id) {
+                // touch the status so that, even if it's old, it doesn't get pruned when we go into the background
+                status.touch()
+            } else {
+                unloaded.append(id)
+            }
+        }
         guard !unloaded.isEmpty else {
             return true
         }

Tusker/Screens/Utilities/TimelineLikeCollectionViewController.swift

@@ -211,11 +211,9 @@ extension TimelineLikeCollectionViewController {
 extension TimelineLikeCollectionViewController {
     // apply(_:animatingDifferences:) is marked as nonisolated, so just awaiting it doesn't dispatch to the main thread, unlike other async @MainActor methods
     // but we always want to update the data source on the main thread for consistency, so this method does that
+    @MainActor
     func apply(_ snapshot: NSDiffableDataSourceSnapshot<Section, Item>, animatingDifferences: Bool) async {
-        let task = Task { @MainActor in
-            self.dataSource.apply(snapshot, animatingDifferences: animatingDifferences)
-        }
-        await task.value
+        await self.dataSource.apply(snapshot, animatingDifferences: animatingDifferences)
     }
     
     @MainActor

Tusker/Views/ContentTextView.swift

@@ -12,6 +12,7 @@ import Pachyderm
 import SafariServices
 import WebURL
 import WebURLFoundationExtras
+import Combine
 
 private let emojiRegex = try! NSRegularExpression(pattern: ":(\\w+):", options: [])
 private let dataDetectorsScheme = "x-apple-data-detectors"
@@ -52,6 +53,8 @@ class ContentTextView: LinkTextView, BaseEmojiLabel {
     // The preview created in the previewForHighlighting method, so that we can use the same one in previewForDismissing.
     private weak var currentTargetedPreview: UITargetedPreview?
     
+    private var underlineTextLinksCancellable: AnyCancellable?
+    
     override init(frame: CGRect, textContainer: NSTextContainer?) {
         super.init(frame: frame, textContainer: textContainer)
         commonInit()
@@ -78,10 +81,30 @@ class ContentTextView: LinkTextView, BaseEmojiLabel {
         linkTextAttributes = [
             .foregroundColor: UIColor.tintColor
         ]
+        updateLinkUnderlineStyle()
         
         // the text view's builtin link interaction code is tied to isSelectable, so we need to use our own tap recognizer
         let recognizer = UITapGestureRecognizer(target: self, action: #selector(textTapped(_:)))
         addGestureRecognizer(recognizer)
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(_updateLinkUnderlineStyle), name: UIAccessibility.buttonShapesEnabledStatusDidChangeNotification, object: nil)
+        underlineTextLinksCancellable =
+            Preferences.shared.$underlineTextLinks
+                .sink { [unowned self] in
+                    self.updateLinkUnderlineStyle(preference: $0)
+                }
+    }
+    
+    @objc private func _updateLinkUnderlineStyle() {
+        updateLinkUnderlineStyle()
+    }
+    
+    private func updateLinkUnderlineStyle(preference: Bool = Preferences.shared.underlineTextLinks) {
+        if UIAccessibility.buttonShapesEnabled || preference {
+            linkTextAttributes[.underlineStyle] = NSUnderlineStyle.single.rawValue
+        } else {
+            linkTextAttributes.removeValue(forKey: .underlineStyle)
+        }
     }
     
     // MARK: - Emojis