mirror of
https://github.com/meshtastic/Meshtastic-Apple.git
synced 2026-04-20 22:13:56 +00:00
92 lines
3.5 KiB
Swift
92 lines
3.5 KiB
Swift
import CoreLocation
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class LocationHelper: NSObject, ObservableObject, CLLocationManagerDelegate {
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private let locationManager = CLLocationManager()
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static let shared = LocationHelper()
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@Published var lastLocation: CLLocation?
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override init() {
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super.init()
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locationManager.delegate = self
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locationManager.desiredAccuracy = kCLLocationAccuracyBest
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locationManager.pausesLocationUpdatesAutomatically = true
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locationManager.allowsBackgroundLocationUpdates = true
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locationManager.activityType = .otherNavigation
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locationManager.requestWhenInUseAuthorization()
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locationManager.distanceFilter = 5
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locationManager.startUpdatingLocation()
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}
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// Apple Park
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static let DefaultLocation = CLLocation(latitude: 37.3346, longitude: -122.0090)
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//static let DefaultAltitude = CLLocationDistance(integerLiteral: 0)
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//static let DefaultSpeed = CLLocationSpeed(integerLiteral: 0)
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//static let DefaultHeading = CLLocationDirection(integerLiteral: 0)
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static var currentLocation: CLLocation {
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guard let location = shared.locationManager.location else {
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return DefaultLocation
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}
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return location
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}
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/// Sats In View Estimator using horizontal and vertical accuracy since
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/// CoreLocation does not have number of sats available
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static var satsInView: Int {
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// Invalid Coordinates
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if shared.locationManager.location?.verticalAccuracy ?? 0 < 0 || shared.locationManager.location?.horizontalAccuracy ?? 0 < 0 {
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return 0
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}
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// If we have a position we have a sat
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var sats = 1
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// If we have a 3D fix we have at least 4 sats
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if shared.locationManager.location?.verticalAccuracy ?? 0 > 0 {
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sats = 4
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if 0...5 ~= shared.locationManager.location?.horizontalAccuracy ?? 0 {
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sats = 12
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} else if 6...15 ~= shared.locationManager.location?.horizontalAccuracy ?? 0 {
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sats = 10
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} else if 16...30 ~= shared.locationManager.location?.horizontalAccuracy ?? 0 {
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sats = 9
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} else if 31...45 ~= shared.locationManager.location?.horizontalAccuracy ?? 0 {
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sats = 7
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} else if 46...60 ~= shared.locationManager.location?.horizontalAccuracy ?? 0 {
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sats = 5
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}
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} else if shared.locationManager.location?.horizontalAccuracy ?? 0 <= 300 {
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// Need at least 3 sats to be under 300, over that could be wifi or cell triangulation
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sats = 3
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} else if shared.locationManager.location?.horizontalAccuracy ?? 0 > 300 {
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sats = 2
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}
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return sats
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}
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public func locationManager(_ manager: CLLocationManager, didUpdateLocations locations: [CLLocation]) {
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guard let mostRecentLocation = locations.last else {
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return
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}
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// Extra Smart positioning logic throwing out bad readings from the phone GPS
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let age = -mostRecentLocation.timestamp.timeIntervalSinceNow
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print("Location: HA-\(mostRecentLocation.horizontalAccuracy) VA-\(mostRecentLocation.verticalAccuracy) AGE-\(age)")
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manager.stopUpdatingLocation()
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if age > 10 || mostRecentLocation.horizontalAccuracy < 0 || mostRecentLocation.horizontalAccuracy > 100 {
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print("Bad Location: HA-\(mostRecentLocation.horizontalAccuracy) VA-\(mostRecentLocation.verticalAccuracy) AGE-\(age)")
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manager.startUpdatingLocation()
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} else {
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lastLocation = mostRecentLocation
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}
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}
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public func locationManager(_ manager: CLLocationManager, didFailWithError error: Error) {
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print("Location manager failed with error: \(error.localizedDescription)")
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}
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public func locationManager(_ manager: CLLocationManager, didChangeAuthorization status: CLAuthorizationStatus) {
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print("Location manager changed the status: \(status)")
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}
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}
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