add view avatar a11y label

ElementX/Sources/Other/SwiftUI/Views/AvatarHeaderView.swift

@@ -152,6 +152,18 @@ struct AvatarHeaderView<Footer: View>: View {
         }
     }
     
+    private var avatarAccessibilityLabel: String {
+        guard onAvatarTap != nil else {
+            return L10n.a11yAvatar
+        }
+        switch avatarInfo {
+        case .room(let roomAvatar):
+            return roomAvatar.hasURL ? L10n.a11yViewAvatar : L10n.a11yAvatar
+        case .user(let userProfileProxy):
+            return userProfileProxy.avatarURL != nil ? L10n.a11yViewAvatar : L10n.a11yAvatar
+        }
+    }
+    
     @ViewBuilder
     private var avatar: some View {
         switch avatarInfo {
@@ -160,7 +172,7 @@ struct AvatarHeaderView<Footer: View>: View {
                             avatarSize: avatarSize,
                             mediaProvider: mediaProvider,
                             onAvatarTap: onAvatarTap)
-                .accessibilityLabel(L10n.a11yAvatar)
+                .accessibilityLabel(avatarAccessibilityLabel)
             
         case .user(let userProfile):
             LoadableAvatarImage(url: userProfile.avatarURL,
@@ -169,7 +181,7 @@ struct AvatarHeaderView<Footer: View>: View {
                                 avatarSize: avatarSize,
                                 mediaProvider: mediaProvider,
                                 onTap: onAvatarTap)
-                .accessibilityLabel(L10n.a11yAvatar)
+                .accessibilityLabel(avatarAccessibilityLabel)
         }
     }
     

ElementX/Sources/Other/SwiftUI/Views/RoomAvatarImage.swift

@@ -26,6 +26,17 @@ enum RoomAvatar: Equatable {
             .tombstoned
         }
     }
+    
+    var hasURL: Bool {
+        switch self {
+        case let .room(_, _, url):
+            return url != nil
+        case let .heroes(heroes):
+            return heroes.first?.avatarURL != nil
+        case .tombstoned:
+            return false
+        }
+    }
 }
 
 /// A view that shows the avatar for a room, or a cluster of heroes if provided.