Fetching the room display names in background to avoid blocking the main thread.

ElementX/Sources/Modules/Models/MockRoomModel.swift

@@ -23,6 +23,10 @@ struct MockRoomModel: RoomModelProtocol {
     let isPublic = Bool.random()
     let isEncrypted = Bool.random()
     
+    func loadDisplayName(_ completion: @escaping (Result<String, Error>) -> Void) {
+        completion(.success(displayName))
+    }
+    
     func loadAvatar(_ completion: (Result<UIImage?, Error>) -> Void) {
         completion(.success(UIImage(systemName: "wand.and.stars")))
     }

ElementX/Sources/Modules/Models/RoomModel.swift

@@ -10,6 +10,7 @@ import UIKit
 import MatrixRustSDK
 
 enum RoomModelError: Error {
+    case failedRetrievingDisplayName
     case failedRetrievingAvatar
 }
 
@@ -74,6 +75,22 @@ struct RoomModel: RoomModelProtocol {
         return URL(string: urlString)
     }
     
+    func loadDisplayName(_ completion: @escaping (Result<String, Error>) -> Void) {
+        DispatchQueue.global(qos: .background).async {
+            do {
+                let displayName = try room.displayName()
+                
+                DispatchQueue.main.async {
+                    completion(.success(displayName))
+                }
+            } catch {
+                DispatchQueue.main.async {
+                    completion(.failure(RoomModelError.failedRetrievingDisplayName))
+                }
+            }
+        }
+    }
+    
     func loadAvatar(_ completion: @escaping (Result<UIImage?, Error>) -> Void) {
         DispatchQueue.global(qos: .background).async {
             do {

ElementX/Sources/Modules/Models/RoomModelProtocol.swift

@@ -14,7 +14,6 @@ protocol RoomModelProtocol {
     var isSpace: Bool { get }
     var isEncrypted: Bool { get }
     
-    var displayName: String { get }
     var name: String? { get }
     
     var topic: String? { get }
@@ -22,5 +21,6 @@ protocol RoomModelProtocol {
     
     var avatarURL: URL? { get }
     
+    func loadDisplayName(_ completion: @escaping (Result<String, Error>) -> Void)
     func loadAvatar(_ completion: @escaping (Result<UIImage?, Error>) -> Void)
 }