Add support for Apple context menus in matrix items list screens (#5963)

Riot/Modules/ContextMenu/ActionProviders/SpaceChildActionProvider.swift

@@ -0,0 +1,51 @@
+// 
+// Copyright 2022 New Vector Ltd
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+
+import Foundation
+
+/// `SpaceChildActionProvider` provides the menu for `MXSpaceChildInfo` instances
+@available(iOS 13.0, *)
+class SpaceChildActionProvider: RoomActionProviderProtocol {
+
+    // MARK: - Properties
+    
+    private let spaceChildInfo: MXSpaceChildInfo
+    private let service: UnownedRoomContextActionService
+
+    // MARK: - Setup
+    
+    init(spaceChildInfo: MXSpaceChildInfo, service: UnownedRoomContextActionService) {
+        self.spaceChildInfo = spaceChildInfo
+        self.service = service
+    }
+    
+    // MARK: - RoomActionProviderProtocol
+    
+    var menu: UIMenu {
+        return UIMenu(children: [
+            self.joinAction
+        ])
+    }
+    
+    // MARK: - Private
+    
+    private var joinAction: UIAction {
+        return UIAction(
+            title: VectorL10n.join) { [weak self] action in
+                self?.service.joinRoom()
+        }
+    }
+}