accessibility improvements + tests refinement

ElementX/Sources/Other/MatrixEntityRegex.swift

@@ -14,6 +14,7 @@ enum MatrixEntityRegex: String {
     case roomAlias
     case uri
     case allUsers
+    case legacyRoomID
     
     var rawValue: String {
         switch self {
@@ -23,6 +24,8 @@ enum MatrixEntityRegex: String {
             return "@[\\x21-\\x39\\x3B-\\x7F]+:" + MatrixEntityRegex.homeserver.rawValue
         case .roomAlias:
             return "#[A-Z0-9._%#@=+-]+:" + MatrixEntityRegex.homeserver.rawValue
+        case .legacyRoomID:
+            return "![A-Z0-9_\\-\\/]+:" + MatrixEntityRegex.homeserver.rawValue
         case .uri:
             return "matrix:(r|u|roomid)\\/[A-Z0-9\\-._~:/?#\\[\\]@!$&'()*+,;=%]*(?:\\?[A-Z0-9\\-._~:/?#\\[\\]@!$&'()*+,;=%]*)?"
         case .allUsers:
@@ -37,6 +40,7 @@ enum MatrixEntityRegex: String {
     static let uriRegex = try! NSRegularExpression(pattern: MatrixEntityRegex.uri.rawValue, options: .caseInsensitive)
     static let allUsersRegex = try! NSRegularExpression(pattern: MatrixEntityRegex.allUsers.rawValue)
     static let linkRegex = try! NSDataDetector(types: NSTextCheckingResult.CheckingType.link.rawValue)
+    static let legacyRoomIDRegex = try! NSRegularExpression(pattern: MatrixEntityRegex.legacyRoomID.rawValue, options: .caseInsensitive)
     // swiftlint:enable force_try
     
     static func isMatrixHomeserver(_ homeserver: String) -> Bool {
@@ -63,6 +67,14 @@ enum MatrixEntityRegex: String {
         return match.range.length == alias.count
     }
     
+    static func isLegacyMatrixRoomID(_ roomID: String) -> Bool {
+        guard let match = legacyRoomIDRegex.firstMatch(in: roomID) else {
+            return false
+        }
+        
+        return match.range.length == roomID.count
+    }
+    
     static func isMatrixURI(_ uri: String) -> Bool {
         guard let match = uriRegex.firstMatch(in: uri) else {
             return false

ElementX/Sources/Screens/FilePreviewScreen/View/TimelineMediaPreviewDetailsView.swift

@@ -44,6 +44,7 @@ struct TimelineMediaPreviewDetailsView: View {
                                         contentID: item.sender.id,
                                         avatarSize: .user(on: .mediaPreviewDetails),
                                         mediaProvider: context.mediaProvider)
+                        .accessibilityHidden(true)
                     
                     VStack(alignment: .leading, spacing: 0) {
                         if let displayName = item.sender.displayName {

ElementX/Sources/Screens/FilePreviewScreen/View/TimelineMediaPreviewRedactConfirmationView.swift

@@ -71,6 +71,7 @@ struct TimelineMediaPreviewRedactConfirmationView: View {
                         .aspectRatio(contentMode: .fill)
                     }
                     .clipShape(RoundedRectangle(cornerRadius: 8))
+                    .accessibilityHidden(true)
             }
                 
             VStack(alignment: .leading, spacing: 4) {

ElementX/Sources/Screens/MediaEventsTimelineScreen/View/MediaEventsTimelineScreen.swift

@@ -85,6 +85,7 @@ struct MediaEventsTimelineScreen: View {
                     ForEach(group.items) { item in
                         VStack(spacing: 20) {
                             Divider()
+                                .accessibilityHidden(true)
                             
                             Button {
                                 tappedItem(item)
@@ -92,7 +93,11 @@ struct MediaEventsTimelineScreen: View {
                                 viewForTimelineItem(item)
                                     .scaleEffect(CGSize(width: 1, height: -1))
                             }
+                            .accessibilityRepresentation {
+                                viewForTimelineItem(item)
+                            }
                         }
+                        .accessibilityElement(children: .combine)
                         .padding(.horizontal, 16)
                     }
                 } footer: {

ElementX/Sources/Screens/Spaces/Common/SpaceHeaderView.swift

@@ -19,6 +19,7 @@ struct SpaceHeaderView: View {
             RoomAvatarImage(avatar: spaceRoomProxy.avatar,
                             avatarSize: .room(on: .spaceHeader),
                             mediaProvider: mediaProvider)
+                .accessibilityHidden(true)
             
             VStack(spacing: 8) {
                 Text(title)