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OrnamentsController.swift
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OrnamentsController.swift
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import UIKit
import MapboxDirections
import MapboxCoreNavigation
import MapboxMaps
import Turf
import CoreLocation
extension NavigationMapView {
/// A components, designed to help manage `NavigationMapView` ornaments logic.
class OrnamentsController: NavigationComponent, NavigationComponentDelegate {
// MARK: - Properties
weak var navigationViewData: NavigationViewData!
weak var eventsManager: NavigationEventsManager!
fileprivate var navigationView: NavigationView {
return navigationViewData.navigationView
}
fileprivate var navigationMapView: NavigationMapView {
return navigationViewData.navigationView.navigationMapView
}
var detailedFeedbackEnabled: Bool = false
var showsSpeedLimits: Bool = true {
didSet {
navigationView.speedLimitView.isAlwaysHidden = !showsSpeedLimits
}
}
var floatingButtonsPosition: MapOrnamentPosition? {
get {
return navigationView.floatingButtonsPosition
}
set {
if let newPosition = newValue {
navigationView.floatingButtonsPosition = newPosition
}
}
}
var floatingButtons: [UIButton]? {
get {
return navigationView.floatingButtons
}
set {
navigationView.floatingButtons = newValue
}
}
var reportButton: FloatingButton {
return navigationViewData.navigationView.reportButton
}
typealias LabelRoadNameCompletionHandler = (_ defaultRoadNameAssigned: Bool) -> Void
var labelRoadNameCompletionHandler: (LabelRoadNameCompletionHandler)?
var roadNameFromStatus: String?
// MARK: - Lifecycle
init(_ navigationViewData: NavigationViewData, eventsManager: NavigationEventsManager) {
self.navigationViewData = navigationViewData
self.eventsManager = eventsManager
}
private func resumeNotifications() {
NotificationCenter.default.addObserver(self,
selector: #selector(orientationDidChange(_:)),
name: UIDevice.orientationDidChangeNotification,
object: nil)
NotificationCenter.default.addObserver(self,
selector: #selector(didUpdateRoadNameFromStatus),
name: .currentRoadNameDidChange,
object: nil)
}
private func suspendNotifications() {
NotificationCenter.default.removeObserver(self,
name: UIDevice.orientationDidChangeNotification,
object: nil)
NotificationCenter.default.removeObserver(self,
name: .currentRoadNameDidChange,
object: nil)
}
@objc func orientationDidChange(_ notification: Notification) {
updateMapViewOrnaments()
}
@objc func didUpdateRoadNameFromStatus(_ notification: Notification) {
roadNameFromStatus = notification.userInfo?[RouteController.NotificationUserInfoKey.roadNameKey] as? String
}
// MARK: - Methods
@objc func toggleMute(_ sender: UIButton) {
sender.isSelected = !sender.isSelected
let muted = sender.isSelected
NavigationSettings.shared.voiceMuted = muted
}
@objc func feedback(_ sender: Any) {
let parent = navigationViewData.containerViewController
let feedbackViewController = FeedbackViewController(eventsManager: eventsManager)
feedbackViewController.detailedFeedbackEnabled = detailedFeedbackEnabled
parent.present(feedbackViewController, animated: true)
}
/**
Updates the current road name label to reflect the road on which the user is currently traveling.
- parameter at: The user’s current location as provided by the system location management system. This has less priority then `snappedLocation` (see below) and is used only if method will attempt to resolve road name automatically.
- parameter suggestedName: The road name to put onto label. If not provided - method will attempt to extract the closest road name from map features.
- parameter snappedLocation: User's location, snapped to the road network. Has higher priority then `at` location.
*/
func labelCurrentRoad(at rawLocation: CLLocation, suggestedName roadName: String?, for snappedLocation: CLLocation? = nil) {
guard navigationView.resumeButton.isHidden else { return }
if let roadName = roadName {
navigationView.wayNameView.text = roadName.nonEmptyString
navigationView.wayNameView.isHidden = roadName.isEmpty
return
}
labelCurrentRoadFeature(at: snappedLocation ?? rawLocation)
if let labelRoadNameCompletionHandler = labelRoadNameCompletionHandler {
labelRoadNameCompletionHandler(true)
}
}
func embedBanners(topBanner: ContainerViewController, bottomBanner: ContainerViewController) {
let topContainer = navigationViewData.navigationView.topBannerContainerView
embed(topBanner, in: topContainer) { (parent, banner) -> [NSLayoutConstraint] in
banner.view.translatesAutoresizingMaskIntoConstraints = false
return banner.view.constraintsForPinning(to: self.navigationViewData.navigationView.topBannerContainerView)
}
topContainer.backgroundColor = .clear
let bottomContainer = navigationViewData.navigationView.bottomBannerContainerView
embed(bottomBanner, in: bottomContainer) { (parent, banner) -> [NSLayoutConstraint] in
banner.view.translatesAutoresizingMaskIntoConstraints = false
return banner.view.constraintsForPinning(to: self.navigationViewData.navigationView.bottomBannerContainerView)
}
bottomContainer.backgroundColor = .clear
navigationViewData.containerViewController.view.bringSubviewToFront(navigationViewData.navigationView.topBannerContainerView)
}
private func embed(_ child: UIViewController, in container: UIView, constrainedBy constraints: ((UIViewController, UIViewController) -> [NSLayoutConstraint])?) {
child.willMove(toParent: navigationViewData.containerViewController)
navigationViewData.containerViewController.addChild(child)
container.addSubview(child.view)
if let childConstraints: [NSLayoutConstraint] = constraints?(navigationViewData.containerViewController, child) {
navigationViewData.containerViewController.view.addConstraints(childConstraints)
}
child.didMove(toParent: navigationViewData.containerViewController)
}
private func labelCurrentRoadFeature(at location: CLLocation) {
let router = navigationViewData.router
guard
let stepShape = router.routeProgress.currentLegProgress.currentStep.shape,
!stepShape.coordinates.isEmpty,
let mapView = navigationMapView.mapView else {
return
}
// Add Mapbox Streets if the map does not already have it
if mapView.streetsSources().isEmpty {
var streetsSource = VectorSource()
streetsSource.url = "mapbox://mapbox.mapbox-streets-v8"
let sourceIdentifier = "com.mapbox.MapboxStreets"
do {
try mapView.mapboxMap.style.addSource(streetsSource, id: sourceIdentifier)
} catch {
NSLog("Failed to add \(sourceIdentifier) with error: \(error.localizedDescription).")
}
}
guard let mapboxStreetsSource = mapView.streetsSources().first else { return }
let identifierNamespace = Bundle.mapboxNavigation.bundleIdentifier ?? ""
let roadLabelStyleLayerIdentifier = "\(identifierNamespace).roadLabels"
let roadLabelLayer = try? mapView.mapboxMap.style.layer(withId: roadLabelStyleLayerIdentifier) as? LineLayer
if roadLabelLayer == nil {
var streetLabelLayer = LineLayer(id: roadLabelStyleLayerIdentifier)
streetLabelLayer.source = mapboxStreetsSource.id
var sourceLayerIdentifier: String? {
let identifiers = mapView.tileSetIdentifiers(mapboxStreetsSource.id,
sourceType: mapboxStreetsSource.type.rawValue)
if VectorSource.isMapboxStreets(identifiers) {
return identifiers.compactMap({ VectorSource.roadLabelLayerIdentifiersByTileSetIdentifier[$0] }).first
}
return nil
}
streetLabelLayer.sourceLayer = sourceLayerIdentifier
streetLabelLayer.lineOpacity = .constant(1.0)
streetLabelLayer.lineWidth = .constant(20.0)
streetLabelLayer.lineColor = .constant(.init(.white))
if ![DirectionsProfileIdentifier.walking, DirectionsProfileIdentifier.cycling].contains(router.routeProgress.routeOptions.profileIdentifier) {
// Filter out to road classes valid only for motor transport.
let filter = Exp(.inExpression) {
"class"
"motorway"
"motorway_link"
"trunk"
"trunk_link"
"primary"
"primary_link"
"secondary"
"secondary_link"
"tertiary"
"tertiary_link"
"street"
"street_limited"
"roundabout"
}
streetLabelLayer.filter = filter
}
do {
var layerPosition: MapboxMaps.LayerPosition? = nil
if let firstLayerIdentifier = mapView.mapboxMap.style.allLayerIdentifiers.first?.id {
layerPosition = .below(firstLayerIdentifier)
}
try mapView.mapboxMap.style.addLayer(streetLabelLayer, layerPosition: layerPosition)
} catch {
NSLog("Failed to add \(roadLabelStyleLayerIdentifier) with error: \(error.localizedDescription).")
}
}
let closestCoordinate = location.coordinate
let lookAheadDistance: CLLocationDistance = 10
let pointAheadUser = stepShape.sliced(from: closestCoordinate)?.coordinateFromStart(distance: lookAheadDistance)
let position = mapView.mapboxMap.point(for: closestCoordinate)
mapView.mapboxMap.queryRenderedFeatures(at: position,
options: RenderedQueryOptions(layerIds: [roadLabelStyleLayerIdentifier], filter: nil)) { [weak self] result in
switch result {
case .success(let queriedFeatures):
guard let self = self else { return }
var smallestLabelDistance = Double.infinity
var latestFeature: Turf.Feature?
var minimumEditDistance = Int.max
var similarFeature: Turf.Feature?
for queriedFeature in queriedFeatures {
// Calculate the Levenshtein–Damerau edit distance between the road name from status and the feature property road name, and then use the smallest one for the road label.
if case let .string(roadName) = queriedFeature.feature.properties?["name"],
let roadNameFromStatus = self.roadNameFromStatus {
let stringEditDistance = roadNameFromStatus.minimumEditDistance(to: roadName)
if stringEditDistance < minimumEditDistance {
minimumEditDistance = stringEditDistance
similarFeature = queriedFeature.feature
}
}
guard let pointAheadUser = pointAheadUser else { continue }
var lineStrings: [LineString] = []
switch queriedFeature.feature.geometry {
case .lineString(let lineString):
lineStrings.append(lineString)
case .multiLineString(let multiLineString):
for coordinates in multiLineString.coordinates {
lineStrings.append(LineString(coordinates))
}
default:
break
}
for lineString in lineStrings {
guard let pointAheadFeature = lineString.sliced(from: closestCoordinate)?.coordinateFromStart(distance: lookAheadDistance) else { continue }
guard let reversedPoint = LineString(lineString.coordinates.reversed()).sliced(from: closestCoordinate)?.coordinateFromStart(distance: lookAheadDistance) else { continue }
let distanceBetweenPointsAhead = pointAheadFeature.distance(to: pointAheadUser)
let distanceBetweenReversedPoint = reversedPoint.distance(to: pointAheadUser)
let minDistanceBetweenPoints = min(distanceBetweenPointsAhead, distanceBetweenReversedPoint)
if minDistanceBetweenPoints < smallestLabelDistance {
smallestLabelDistance = minDistanceBetweenPoints
latestFeature = queriedFeature.feature
}
}
}
var hideWayName = true
if latestFeature?.featureIdentifier != similarFeature?.featureIdentifier {
let style = self.navigationMapView.mapView.mapboxMap.style
if let similarFeature = similarFeature,
self.navigationView.wayNameView.setupWith(feature: similarFeature,
using: style) {
hideWayName = false
}
} else if smallestLabelDistance < 5 {
let style = self.navigationMapView.mapView.mapboxMap.style
if let latestFeature = latestFeature,
self.navigationView.wayNameView.setupWith(feature: latestFeature,
using: style) {
hideWayName = false
}
}
self.navigationView.wayNameView.isHidden = hideWayName
case .failure:
NSLog("Failed to find visible features.")
}
}
}
/**
Method updates `logoView` and `attributionButton` margins to prevent incorrect alignment
reported in https://github.com/mapbox/mapbox-navigation-ios/issues/2561.
*/
private func updateMapViewOrnaments() {
let bottomBannerHeight = navigationViewData.navigationView.bottomBannerContainerView.bounds.height
let bottomBannerVerticalOffset = navigationViewData.navigationView.bounds.height - bottomBannerHeight - navigationViewData.navigationView.bottomBannerContainerView.frame.origin.y
let defaultOffset: CGFloat = 10.0
let x: CGFloat = defaultOffset
let y: CGFloat = bottomBannerHeight + defaultOffset + bottomBannerVerticalOffset
if #available(iOS 11.0, *) {
navigationMapView.mapView.ornaments.options.logo.margins = CGPoint(x: x, y: y - navigationView.safeAreaInsets.bottom)
} else {
navigationMapView.mapView.ornaments.options.logo.margins = CGPoint(x: x, y: y)
}
if #available(iOS 11.0, *) {
navigationMapView.mapView.ornaments.options.attributionButton.margins = CGPoint(x: x, y: y - navigationView.safeAreaInsets.bottom)
} else {
navigationMapView.mapView.ornaments.options.attributionButton.margins = CGPoint(x: x, y: y)
}
}
// MARK: - NavigationComponentDelegate implementation
func navigationViewDidLoad(_: UIView) {
navigationViewData.navigationView.muteButton.addTarget(self, action: #selector(toggleMute(_:)), for: .touchUpInside)
navigationViewData.navigationView.reportButton.addTarget(self, action: #selector(feedback(_:)), for: .touchUpInside)
}
func navigationViewWillAppear(_: Bool) {
resumeNotifications()
navigationViewData.navigationView.muteButton.isSelected = NavigationSettings.shared.voiceMuted
}
func navigationViewDidDisappear(_: Bool) {
suspendNotifications()
}
func navigationViewDidLayoutSubviews() {
updateMapViewOrnaments()
}
// MARK: - NavigationComponent implementation
func navigationService(_ service: NavigationService, didUpdate progress: RouteProgress, with location: CLLocation, rawLocation: CLLocation) {
navigationViewData.navigationView.speedLimitView.signStandard = progress.currentLegProgress.currentStep.speedLimitSignStandard
navigationViewData.navigationView.speedLimitView.speedLimit = progress.currentLegProgress.currentSpeedLimit
}
}
}