98 lines
3.0 KiB
Swift
98 lines
3.0 KiB
Swift
import CarPlay
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import MapKit
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class CarPlaySceneDelegate: NSObject {
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var interfaceController: CPInterfaceController?
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var mapTemplate: CPMapTemplate?
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var navigationSession: CPNavigationSession?
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// MARK: - Navigation Actions
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func startNavigation(
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instruction: String,
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distance: Double,
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eta: Double,
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maneuverType: Int
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) {
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guard let mapTemplate = mapTemplate else { return }
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let origin = MKMapItem(
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placemark: MKPlacemark(coordinate: CLLocationCoordinate2D(latitude: 0, longitude: 0))
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)
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let destination = MKMapItem(
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placemark: MKPlacemark(coordinate: CLLocationCoordinate2D(latitude: 0, longitude: 0))
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)
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let trip = CPTrip(origin: origin, destination: destination)
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let session = mapTemplate.startNavigationSession(for: trip)
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self.navigationSession = session
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updateManeuver(instruction: instruction, distance: distance, maneuverType: maneuverType)
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updateArrivalEstimates(eta: eta)
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}
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func updateManeuver(instruction: String, distance: Double, maneuverType: Int) {
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guard let session = navigationSession else { return }
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let maneuver = CPManeuver()
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maneuver.instructionVariants = [instruction]
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if let color = maneuverColor(for: maneuverType) {
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maneuver.symbolColor = color
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}
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let distanceEstimate = CPTravelEstimates(
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distance: Measurement(value: distance, unit: UnitLength.meters),
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timeRemaining: 0
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)
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session.updateManeuvers([maneuver], travelEstimates: distanceEstimate)
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}
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func updateArrivalEstimates(eta: Double) {
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guard let session = navigationSession else { return }
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let arrivalEstimate = CPTravelEstimates(
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distance: Measurement(value: 0, unit: UnitLength.meters),
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timeRemaining: eta
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)
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// `updatingArrival` is deprecated; for iOS 15+ use `updating(_:)` on the maneuver's arrivalEstimates.
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// We keep this for broad compatibility.
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session.updatingArrival(to: arrivalEstimate)
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}
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func updateLocation(lat: Double, lng: Double, bearing: Double) {
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let center = CLLocationCoordinate2D(latitude: lat, longitude: lng)
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let region = MKCoordinateRegion(
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center: center,
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span: MKCoordinateSpan(latitudeDelta: 0.01, longitudeDelta: 0.01)
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)
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mapTemplate?.showPanningInterface(animated: true)
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}
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func stopNavigation() {
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guard let session = navigationSession else { return }
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session.cancel()
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self.navigationSession = nil
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mapTemplate?.hideTripPreviews()
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}
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// MARK: - Helpers
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private func maneuverColor(for type: Int) -> UIColor? {
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switch type {
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case 4: return .systemGreen
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case 2, -2: return .systemBlue
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default: return nil
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}
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}
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}
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// MARK: - Shared State
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class CarPlayState {
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static let shared = CarPlayState()
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weak var sceneDelegate: CarPlaySceneDelegate?
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private init() {}
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}
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