vector-im/element-ios/issues/5298 - Implemented location sharing from the input toolbar action menu.

2026-04-21 17:12:45 +02:00 · 2021-12-16 14:02:42 +02:00
parent fb16d96ac1
commit 37db201124
30 changed files with 867 additions and 36 deletions
@@ -0,0 +1,128 @@
+// 
+// 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 SwiftUI
+import Combine
+import Mapbox
+
+@available(iOS 14, *)
+struct LocationSharingMapView: UIViewRepresentable {
+    private struct Constants {
+        static let mapZoomLevel = 15.0
+        static let mapStyleURLString = "https://api.maptiler.com/maps/streets/style.json?key="
+    }
+    
+    let accessToken: String
+    let avatarData: AvatarInputProtocol
+    let errorSubject: PassthroughSubject<LocationSharingViewError, Never>
+    @Binding var userLocation: CLLocationCoordinate2D?
+        
+    func makeUIView(context: Context) -> some UIView {
+        let url = URL(string: Constants.mapStyleURLString + accessToken)
+        
+        let mapView = MGLMapView(frame: .zero, styleURL: url)
+        mapView.delegate = context.coordinator
+        
+        mapView.logoView.isHidden = true
+        mapView.attributionButton.isHidden = true
+        mapView.showsUserLocation = true
+        mapView.userTrackingMode = .follow
+        
+        return mapView
+    }
+    
+    func updateUIView(_ uiView: UIViewType, context: Context) {
+        
+    }
+    
+    func makeCoordinator() -> LocationSharingMapViewCoordinator {
+        LocationSharingMapViewCoordinator(avatarData: avatarData,
+                                          errorSubject: errorSubject,
+                                          userLocation: $userLocation)
+    }
+}
+
+@available(iOS 14, *)
+class LocationSharingMapViewCoordinator: NSObject, MGLMapViewDelegate {
+    
+    private let avatarData: AvatarInputProtocol
+    private let errorSubject: PassthroughSubject<LocationSharingViewError, Never>
+    @Binding var userLocation: CLLocationCoordinate2D?
+    
+    init(avatarData: AvatarInputProtocol,
+         errorSubject: PassthroughSubject<LocationSharingViewError, Never>,
+         userLocation: Binding<CLLocationCoordinate2D?>) {
+        self.avatarData = avatarData
+        self.errorSubject = errorSubject
+        self._userLocation = userLocation
+    }
+    
+    // MARK: - MGLMapViewDelegate
+    
+    func mapView(_ mapView: MGLMapView, viewFor annotation: MGLAnnotation) -> MGLAnnotationView? {
+        guard let _ = annotation as? MGLUserLocation else {
+            return nil
+        }
+        
+        return UserLocationAnnotatonView(avatarData: avatarData)
+    }
+    
+    func mapViewDidFailLoadingMap(_ mapView: MGLMapView, withError error: Error) {
+        errorSubject.send(.failedLoadingMap)
+    }
+    
+    func mapView(_ mapView: MGLMapView, didFailToLocateUserWithError error: Error) {
+        errorSubject.send(.failedLocatingUser)
+    }
+    
+    func mapView(_ mapView: MGLMapView, didUpdate userLocation: MGLUserLocation?) {
+        self.userLocation = userLocation?.coordinate
+    }
+    
+    func mapView(_ mapView: MGLMapView, didChangeLocationManagerAuthorization manager: MGLLocationManager) {
+        switch manager.authorizationStatus {
+        case .restricted:
+            fallthrough
+        case .denied:
+            errorSubject.send(.failedLocatingUser)
+        default:
+            break
+        }
+    }
+}
+
+@available(iOS 14, *)
+private class UserLocationAnnotatonView: MGLUserLocationAnnotationView {
+    
+    init(avatarData: AvatarInputProtocol) {
+        super.init(frame: .zero)
+        
+        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)])
+    }
+    
+    required init?(coder: NSCoder) {
+        fatalError()
+    }
+}