mirror of
https://github.com/vector-im/element-ios.git
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125 lines
4.2 KiB
Swift
125 lines
4.2 KiB
Swift
//
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// Copyright 2021 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SwiftUI
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import Combine
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import Mapbox
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@available(iOS 14, *)
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struct LocationSharingMapView: UIViewRepresentable {
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private struct Constants {
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static let mapZoomLevel = 15.0
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}
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let tileServerMapURL: URL
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let avatarData: AvatarInputProtocol
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let errorSubject: PassthroughSubject<LocationSharingViewError, Never>
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@Binding var userLocation: CLLocationCoordinate2D?
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func makeUIView(context: Context) -> some UIView {
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let mapView = MGLMapView(frame: .zero, styleURL: tileServerMapURL)
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mapView.delegate = context.coordinator
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mapView.logoView.isHidden = true
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mapView.attributionButton.isHidden = true
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mapView.showsUserLocation = true
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mapView.userTrackingMode = .follow
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return mapView
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}
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func updateUIView(_ uiView: UIViewType, context: Context) {
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}
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func makeCoordinator() -> LocationSharingMapViewCoordinator {
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LocationSharingMapViewCoordinator(avatarData: avatarData,
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errorSubject: errorSubject,
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userLocation: $userLocation)
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}
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}
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@available(iOS 14, *)
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class LocationSharingMapViewCoordinator: NSObject, MGLMapViewDelegate {
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private let avatarData: AvatarInputProtocol
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private let errorSubject: PassthroughSubject<LocationSharingViewError, Never>
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@Binding var userLocation: CLLocationCoordinate2D?
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init(avatarData: AvatarInputProtocol,
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errorSubject: PassthroughSubject<LocationSharingViewError, Never>,
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userLocation: Binding<CLLocationCoordinate2D?>) {
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self.avatarData = avatarData
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self.errorSubject = errorSubject
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self._userLocation = userLocation
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}
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// MARK: - MGLMapViewDelegate
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func mapView(_ mapView: MGLMapView, viewFor annotation: MGLAnnotation) -> MGLAnnotationView? {
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guard let _ = annotation as? MGLUserLocation else {
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return nil
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}
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return UserLocationAnnotatonView(avatarData: avatarData)
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}
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func mapViewDidFailLoadingMap(_ mapView: MGLMapView, withError error: Error) {
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errorSubject.send(.failedLoadingMap)
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}
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func mapView(_ mapView: MGLMapView, didFailToLocateUserWithError error: Error) {
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errorSubject.send(.failedLocatingUser)
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}
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func mapView(_ mapView: MGLMapView, didUpdate userLocation: MGLUserLocation?) {
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self.userLocation = userLocation?.coordinate
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}
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func mapView(_ mapView: MGLMapView, didChangeLocationManagerAuthorization manager: MGLLocationManager) {
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switch manager.authorizationStatus {
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case .restricted:
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fallthrough
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case .denied:
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errorSubject.send(.failedLocatingUser)
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default:
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break
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}
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}
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}
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@available(iOS 14, *)
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private class UserLocationAnnotatonView: MGLUserLocationAnnotationView {
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init(avatarData: AvatarInputProtocol) {
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super.init(frame: .zero)
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guard let avatarImageView = UIHostingController(rootView: LocationSharingUserMarkerView(avatarData: avatarData)).view else {
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return
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}
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addSubview(avatarImageView)
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addConstraints([topAnchor.constraint(equalTo: avatarImageView.topAnchor),
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leadingAnchor.constraint(equalTo: avatarImageView.leadingAnchor),
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bottomAnchor.constraint(equalTo: avatarImageView.bottomAnchor),
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trailingAnchor.constraint(equalTo: avatarImageView.trailingAnchor)])
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}
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required init?(coder: NSCoder) {
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fatalError()
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}
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}
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