UserLocationAnnotatonView: Handle init with UserLocationAnnotation.

RiotSwiftUI/Modules/Room/LocationSharing/View/UserLocationAnnotatonView.swift

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+// 
+// Copyright 2021 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
+import SwiftUI
+import Mapbox
+
+@available(iOS 14, *)
+class UserLocationAnnotatonView: MGLUserLocationAnnotationView {
+    
+    // MARK: - Setup
+    
+    init(avatarData: AvatarInputProtocol) {
+        super.init(frame: .zero)
+        
+        self.addUserMarkerView(with: avatarData)
+    }
+    
+    init(userLocationAnnotation: UserLocationAnnotation) {
+        
+        // TODO: Use a reuseIdentifier
+        super.init(annotation: userLocationAnnotation, reuseIdentifier: nil)
+        
+        self.addUserMarkerView(with: userLocationAnnotation.avatarData)
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError()
+    }
+    
+    // MARK: - Private
+    
+    private func addUserMarkerView(with avatarData: AvatarInputProtocol) {
+        
+        guard let avatarImageView = UIHostingController(rootView: LocationSharingUserMarkerView(avatarData: avatarData)).view else {
+            return
+        }
+        
+        addSubview(avatarImageView)
+        
+        addConstraints([topAnchor.constraint(equalTo: avatarImageView.topAnchor),
+                        leadingAnchor.constraint(equalTo: avatarImageView.leadingAnchor),
+                        bottomAnchor.constraint(equalTo: avatarImageView.bottomAnchor),
+                        trailingAnchor.constraint(equalTo: avatarImageView.trailingAnchor)])
+    }
+}