Add accessibility actions for links/mentions/hashtags in posts

Mastodon/Scene/Share/View/TableviewCell/StatusTableViewCell.swift

@@ -99,6 +99,10 @@ extension StatusTableViewCell {
         return true
     }
 
+    override var accessibilityCustomActions: [UIAccessibilityCustomAction]? {
+        get { statusView.accessibilityCustomActions }
+        set { }
+    }
 }
 
 // MARK: - AdaptiveContainerMarginTableViewCell

MastodonSDK/Sources/MastodonUI/Extension/MetaEntity+Accessibility.swift

@@ -0,0 +1,26 @@
+//
+//  MetaEntity+Accessibility.swift
+//  
+//
+//  Created by Jed Fox on 2022-11-03.
+//
+
+import Meta
+
+extension Meta.Entity {
+    var accessibilityCustomActionLabel: String? {
+        switch meta {
+        case .url(_, trimmed: _, url: let url, userInfo: _):
+            return "Link: \(url)"
+        case .hashtag(_, hashtag: let hashtag, userInfo: _):
+            return "Hashtag \(hashtag)"
+        case .mention(_, mention: let mention, userInfo: _):
+            return "Show Profile: @\(mention)"
+        case .email(let email, userInfo: _):
+            return "Email address: \(email)"
+        // emoji are not actionable
+        case .emoji:
+            return nil
+        }
+    }
+}

MastodonSDK/Sources/MastodonUI/View/Content/StatusView+ViewModel.swift

@@ -315,7 +315,6 @@ extension StatusView.ViewModel {
                 statusView.contentMetaText.configure(
                     content: content
                 )
-                statusView.contentMetaText.textView.accessibilityLabel = content.string
                 statusView.contentMetaText.textView.accessibilityTraits = [.staticText]
                 statusView.contentMetaText.textView.accessibilityElementsHidden = false
             } else {
@@ -727,8 +726,23 @@ extension StatusView.ViewModel {
                 statusView.accessibilityLabel = accessibilityLabel
             }
             .store(in: &disposeBag)
+
+        Publishers.CombineLatest(
+            $content,
+            $isContentReveal.removeDuplicates()
+        )
+        .map { content, isRevealed in
+            guard isRevealed, let entities = content?.entities else { return [] }
+            return entities.compactMap { entity in
+                guard let name = entity.accessibilityCustomActionLabel else { return nil }
+                return UIAccessibilityCustomAction(name: name) { action in
+                    statusView.delegate?.statusView(statusView, metaText: statusView.contentMetaText, didSelectMeta: entity.meta)
+                    return true
+                }
+            }
+        }
+        .assign(to: \.accessibilityCustomActions, on: statusView.contentMetaText.textView)
+        .store(in: &disposeBag)
     }
     
 }
-
-

MastodonSDK/Sources/MastodonUI/View/Content/StatusView.swift

@@ -547,6 +547,13 @@ extension StatusView {
 
 }
 
+extension StatusView {
+    public override var accessibilityCustomActions: [UIAccessibilityCustomAction]? {
+        get { contentMetaText.textView.accessibilityCustomActions }
+        set { }
+    }
+}
+
 // MARK: - AdaptiveContainerView
 extension StatusView: AdaptiveContainerView {
     public func updateContainerViewComponentsLayoutMarginsRelativeArrangementBehavior(isEnabled: Bool) {