Show labels on issue details

ios/Generated/gotcha_core.swift

@@ -2236,17 +2236,19 @@ public struct IssuePage: Equatable, Hashable {
     public var state: String
     public var meta: String
     public var milestone: String
+    public var labels: [LabelRow]
     public var body: String
     public var comments: [CommentRow]
     public var hasMore: Bool
 
     // Default memberwise initializers are never public by default, so we
     // declare one manually.
-    public init(title: String, state: String, meta: String, milestone: String, body: String, comments: [CommentRow], hasMore: Bool) {
+    public init(title: String, state: String, meta: String, milestone: String, labels: [LabelRow], body: String, comments: [CommentRow], hasMore: Bool) {
         self.title = title
         self.state = state
         self.meta = meta
         self.milestone = milestone
+        self.labels = labels
         self.body = body
         self.comments = comments
         self.hasMore = hasMore
@@ -2272,6 +2274,7 @@ public struct FfiConverterTypeIssuePage: FfiConverterRustBuffer {
                 state: FfiConverterString.read(from: &buf),
                 meta: FfiConverterString.read(from: &buf),
                 milestone: FfiConverterString.read(from: &buf),
+                labels: FfiConverterSequenceTypeLabelRow.read(from: &buf),
                 body: FfiConverterString.read(from: &buf),
                 comments: FfiConverterSequenceTypeCommentRow.read(from: &buf),
                 hasMore: FfiConverterBool.read(from: &buf)
@@ -2283,6 +2286,7 @@ public struct FfiConverterTypeIssuePage: FfiConverterRustBuffer {
         FfiConverterString.write(value.state, into: &buf)
         FfiConverterString.write(value.meta, into: &buf)
         FfiConverterString.write(value.milestone, into: &buf)
+        FfiConverterSequenceTypeLabelRow.write(value.labels, into: &buf)
         FfiConverterString.write(value.body, into: &buf)
         FfiConverterSequenceTypeCommentRow.write(value.comments, into: &buf)
         FfiConverterBool.write(value.hasMore, into: &buf)

ios/Sources/ContentScreens.swift

@@ -370,14 +370,7 @@ final class IssueCell: UITableViewCell {
         labels.arrangedSubviews.forEach { $0.removeFromSuperview() }
         labels.isHidden = row.labels.isEmpty
         for label in row.labels.prefix(3) {
-            let view = UILabel()
-            view.text = "  \(label.name)  "
-            view.font = .preferredFont(forTextStyle: .caption2)
-            view.textColor = label.light ? .black : .white
-            view.backgroundColor = UIColor(hex: label.color)
-            view.layer.cornerRadius = 9
-            view.clipsToBounds = true
-            labels.addArrangedSubview(view)
+            labels.addArrangedSubview(issueLabelView(label))
         }
         labels.addArrangedSubview(UIView())
     }

ios/Sources/DetailScreens.swift

@@ -232,7 +232,8 @@ final class IssueViewController: MarkdownPageViewController {
                         body: page.body,
                         comments: page.comments,
                         editComment: { [weak self] comment in self?.editComment(comment) },
-                        milestone: page.milestone
+                        milestone: page.milestone,
+                        labels: page.labels
                     ))
                     finishPagination(hasMore: page.hasMore)
                 }
@@ -1142,7 +1143,8 @@ private func detailViews(
     body: String,
     comments: [CommentRow],
     editComment: ((CommentRow) -> Void)? = nil,
-    milestone: String = ""
+    milestone: String = "",
+    labels: [LabelRow] = []
 ) -> [UIView] {
     let titleLabel = UILabel()
     titleLabel.text = title
@@ -1166,6 +1168,7 @@ private func detailViews(
         milestoneLabel.accessibilityLabel = "Milestone \(milestone)"
         views.append(milestoneLabel)
     }
+    if !labels.isEmpty { views.append(IssueLabelsView(labels)) }
     return views + [separator(), bodyView] + commentViews(comments, editComment: editComment)
 }
 

ios/Sources/Support.swift

@@ -287,3 +287,74 @@ func configureIssueStateIcon(
     icon.isAccessibilityElement = true
     icon.accessibilityLabel = accessibilityLabel
 }
+
+func issueLabelView(_ label: LabelRow) -> UILabel {
+    let view = UILabel()
+    view.text = "  \(label.name)  "
+    view.font = .preferredFont(forTextStyle: .caption2)
+    view.adjustsFontForContentSizeCategory = true
+    view.textColor = label.light ? .black : .white
+    view.backgroundColor = UIColor(hex: label.color)
+    view.layer.cornerRadius = 9
+    view.clipsToBounds = true
+    view.accessibilityLabel = "Label \(label.name)"
+    return view
+}
+
+final class IssueLabelsView: UIView {
+    private let labels: [UILabel]
+    private var contentHeight: CGFloat
+    private let spacing: CGFloat = 6
+
+    init(_ rows: [LabelRow]) {
+        labels = rows.map(issueLabelView)
+        contentHeight = labels.first?.intrinsicContentSize.height ?? 0
+        super.init(frame: .zero)
+        labels.forEach(addSubview)
+        NotificationCenter.default.addObserver(
+            self,
+            selector: #selector(contentSizeCategoryDidChange),
+            name: UIContentSizeCategory.didChangeNotification,
+            object: nil
+        )
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError("init(coder:) is not supported") }
+
+    override var intrinsicContentSize: CGSize {
+        CGSize(width: UIView.noIntrinsicMetric, height: contentHeight)
+    }
+
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        guard bounds.width > 0 else { return }
+        var origin = CGPoint.zero
+        var rowHeight: CGFloat = 0
+        for label in labels {
+            let size = label.sizeThatFits(
+                CGSize(width: bounds.width, height: .greatestFiniteMagnitude)
+            )
+            if origin.x > 0, origin.x + size.width > bounds.width {
+                origin.x = 0
+                origin.y += rowHeight + spacing
+                rowHeight = 0
+            }
+            label.frame = CGRect(origin: origin, size: size)
+            origin.x += size.width + spacing
+            rowHeight = max(rowHeight, size.height)
+        }
+        let height = origin.y + rowHeight
+        if contentHeight != height {
+            contentHeight = height
+            invalidateIntrinsicContentSize()
+        }
+    }
+
+    @objc private func contentSizeCategoryDidChange() {
+        labels.forEach { $0.font = .preferredFont(forTextStyle: .caption2) }
+        contentHeight = labels.first?.intrinsicContentSize.height ?? 0
+        invalidateIntrinsicContentSize()
+        setNeedsLayout()
+    }
+}