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https://github.com/Swiftgram/Telegram-iOS.git
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727 lines
29 KiB
Swift
727 lines
29 KiB
Swift
import Foundation
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import UIKit
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import AsyncDisplayKit
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import Display
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import SwiftSignalKit
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import MapKit
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let defaultMapSpan = MKCoordinateSpan(latitudeDelta: 0.016, longitudeDelta: 0.016)
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let viewMapSpan = MKCoordinateSpan(latitudeDelta: 0.008, longitudeDelta: 0.008)
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private let pinOffset = CGPoint(x: 0.0, y: 33.0)
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public enum LocationMapMode {
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case map
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case sattelite
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case hybrid
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var mapType: MKMapType {
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switch self {
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case .sattelite:
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return .satellite
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case .hybrid:
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return .hybrid
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default:
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return .standard
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}
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}
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}
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public enum LocationTrackingMode {
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case none
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case follow
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case followWithHeading
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var userTrackingMode: MKUserTrackingMode {
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switch self {
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case .follow:
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return .follow
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case .followWithHeading:
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return .followWithHeading
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default:
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return .none
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}
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}
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}
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private class PickerAnnotationContainerView: UIView {
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override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
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let result = super.hitTest(point, with: event)
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if result == self {
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return nil
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}
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return result
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}
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}
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private class LocationMapView: MKMapView, UIGestureRecognizerDelegate {
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var customHitTest: ((CGPoint) -> Bool)?
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private var allowSelectionChanges = true
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@objc override func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
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if let customHitTest = self.customHitTest, customHitTest(gestureRecognizer.location(in: self)) {
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return false
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}
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return self.allowSelectionChanges
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}
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public override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
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let pointInside = super.point(inside: point, with: event)
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if !pointInside {
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return pointInside
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}
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for annotation in self.annotations(in: self.visibleMapRect) where annotation is LocationPinAnnotation {
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guard let view = self.view(for: annotation as! MKAnnotation) else {
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continue
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}
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if view.frame.insetBy(dx: -16.0, dy: -16.0).contains(point) {
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self.allowSelectionChanges = true
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return true
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}
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}
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self.allowSelectionChanges = false
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return pointInside
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}
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public override func layoutSubviews() {
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super.layoutSubviews()
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}
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}
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private let arrowImageSize = CGSize(width: 90.0, height: 90.0)
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func generateHeadingArrowImage() -> UIImage? {
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return generateImage(arrowImageSize, contextGenerator: { size, context in
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let bounds = CGRect(origin: CGPoint(), size: size)
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context.clear(bounds)
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context.saveGState()
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let center = CGPoint(x: arrowImageSize.width / 2.0, y: arrowImageSize.height / 2.0)
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context.move(to: center)
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context.addArc(center: center, radius: arrowImageSize.width / 2.0, startAngle: CGFloat.pi / 2.0 + CGFloat.pi / 8.0, endAngle: CGFloat.pi / 2.0 - CGFloat.pi / 8.0, clockwise: true)
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context.clip()
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var locations: [CGFloat] = [0.0, 0.4, 1.0]
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let colors: [CGColor] = [UIColor(rgb: 0x007aff, alpha: 0.5).cgColor, UIColor(rgb: 0x007aff, alpha: 0.3).cgColor, UIColor(rgb: 0x007aff, alpha: 0.0).cgColor]
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let colorSpace = CGColorSpaceCreateDeviceRGB()
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let gradient = CGGradient(colorsSpace: colorSpace, colors: colors as CFArray, locations: &locations)!
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context.drawRadialGradient(gradient, startCenter: center, startRadius: 11.0, endCenter: center, endRadius: arrowImageSize.width / 2.0, options: .drawsAfterEndLocation)
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context.restoreGState()
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context.setBlendMode(.clear)
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context.fillEllipse(in: CGRect(x: (arrowImageSize.width - 22.0) / 2.0, y: (arrowImageSize.height - 22.0) / 2.0, width: 22.0, height: 22.0))
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})
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}
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private func generateProximityDim(size: CGSize) -> UIImage {
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return generateImage(size, rotatedContext: { size, context in
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context.clear(CGRect(origin: CGPoint(), size: size))
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context.setFillColor(UIColor(rgb: 0x000000, alpha: 0.4).cgColor)
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context.fill(CGRect(origin: CGPoint(), size: size))
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context.setBlendMode(.clear)
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let ellipseSize = CGSize(width: 260.0, height: 260.0)
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context.fillEllipse(in: CGRect(origin: CGPoint(x: (size.width - ellipseSize.width) / 2.0, y: (size.height - ellipseSize.height) / 2.0), size: ellipseSize))
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})!
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}
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final class LocationMapNode: ASDisplayNode, MKMapViewDelegate {
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class ProximityCircleRenderer: MKCircleRenderer {
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override func draw(_ mapRect: MKMapRect, zoomScale: MKZoomScale, in context: CGContext) {
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super.draw(mapRect, zoomScale: zoomScale, in: context)
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context.saveGState()
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let mapBoundingRect = self.circle.boundingMapRect
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let mapPoint = MKMapPoint(x: mapBoundingRect.midX, y: mapBoundingRect.maxY)
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let drawingPoint = point(for: mapPoint)
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if let image = generateTintedImage(image: UIImage(bundleImageName: "Location/ProximityIcon"), color: self.strokeColor ?? .black) {
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let imageSize = CGSize(width: floor(image.size.width / zoomScale * self.contentScaleFactor * 0.75), height: floor(image.size.height / zoomScale * self.contentScaleFactor * 0.75))
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context.translateBy(x: drawingPoint.x, y: drawingPoint.y)
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context.scaleBy(x: 1.0, y: -1.0)
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context.translateBy(x: -drawingPoint.x, y: -drawingPoint.y)
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let imageRect = CGRect(x: floor((drawingPoint.x - imageSize.width / 2.0)), y: floor((drawingPoint.y - imageSize.height / 2.0)), width: imageSize.width, height: imageSize.height)
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context.clear(imageRect)
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context.draw(image.cgImage!, in: imageRect)
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}
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context.restoreGState()
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}
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}
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private let locationPromise = Promise<CLLocation?>(nil)
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private let pickerAnnotationContainerView: PickerAnnotationContainerView
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private weak var userLocationAnnotationView: MKAnnotationView?
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private var headingArrowView: UIImageView?
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private let pinDisposable = MetaDisposable()
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private var mapView: LocationMapView? {
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return self.view as? LocationMapView
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}
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var returnedToUserLocation = true
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var ignoreRegionChanges = false
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var isDragging = false
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var beganInteractiveDragging: (() -> Void)?
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var endedInteractiveDragging: ((CLLocationCoordinate2D) -> Void)?
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var annotationSelected: ((LocationPinAnnotation?) -> Void)?
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var userLocationAnnotationSelected: (() -> Void)?
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var proximityDimView = UIImageView()
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var proximityIndicatorRadius: Double? {
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didSet {
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if let radius = self.proximityIndicatorRadius, let mapView = self.mapView {
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if self.proximityDimView.image == nil {
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proximityDimView.layer.animateAlpha(from: 0.0, to: 1.0, duration: 0.2)
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}
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if oldValue == 0 {
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UIView.transition(with: proximityDimView, duration: 0.3, options: .transitionCrossDissolve) {
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self.proximityDimView.image = generateProximityDim(size: mapView.bounds.size)
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} completion: { _ in
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}
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}
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} else {
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if self.proximityDimView.image != nil {
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UIView.transition(with: proximityDimView, duration: 0.3, options: .transitionCrossDissolve) {
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self.proximityDimView.image = nil
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} completion: { _ in
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}
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}
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}
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}
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}
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private var circleOverlay: MKCircle?
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var activeProximityRadius: Double? {
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didSet {
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if let activeProximityRadius = self.activeProximityRadius {
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if let circleOverlay = self.circleOverlay {
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self.circleOverlay = nil
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self.mapView?.removeOverlay(circleOverlay)
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}
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if let location = self.currentUserLocation {
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let overlay = MKCircle(center: location.coordinate, radius: activeProximityRadius)
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self.circleOverlay = overlay
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self.mapView?.addOverlay(overlay)
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}
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} else {
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if let circleOverlay = self.circleOverlay {
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self.circleOverlay = nil
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self.mapView?.removeOverlay(circleOverlay)
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}
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}
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}
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}
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override init() {
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self.pickerAnnotationContainerView = PickerAnnotationContainerView()
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self.pickerAnnotationContainerView.isHidden = true
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super.init()
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self.setViewBlock({
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return LocationMapView()
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})
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}
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override func didLoad() {
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super.didLoad()
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self.headingArrowView = UIImageView()
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self.headingArrowView?.frame = CGRect(origin: CGPoint(), size: CGSize(width: 88.0, height: 88.0))
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self.headingArrowView?.image = generateHeadingArrowImage()
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self.mapView?.interactiveTransitionGestureRecognizerTest = { p in
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if p.x > 44.0 {
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return true
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} else {
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return false
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}
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}
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self.mapView?.delegate = self
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self.mapView?.mapType = self.mapMode.mapType
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self.mapView?.isRotateEnabled = self.isRotateEnabled
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self.mapView?.showsUserLocation = true
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self.mapView?.showsPointsOfInterest = false
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self.mapView?.customHitTest = { [weak self] point in
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guard let strongSelf = self, let annotationView = strongSelf.customUserLocationAnnotationView else {
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return false
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}
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if let annotationRect = annotationView.superview?.convert(annotationView.frame.insetBy(dx: -16.0, dy: -16.0), to: strongSelf.mapView), annotationRect.contains(point) {
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strongSelf.userLocationAnnotationSelected?()
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return true
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}
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return false
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}
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self.view.addSubview(self.pickerAnnotationContainerView)
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}
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var isRotateEnabled: Bool = true {
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didSet {
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self.mapView?.isRotateEnabled = self.isRotateEnabled
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}
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}
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var mapMode: LocationMapMode = .map {
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didSet {
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self.mapView?.mapType = self.mapMode.mapType
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}
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}
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var trackingMode: LocationTrackingMode = .none {
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didSet {
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self.mapView?.userTrackingMode = self.trackingMode.userTrackingMode
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if self.trackingMode == .followWithHeading && self.headingArrowView?.image != nil {
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self.headingArrowView?.image = nil
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} else if self.trackingMode != .followWithHeading && self.headingArrowView?.image == nil {
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self.headingArrowView?.image = generateHeadingArrowImage()
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}
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}
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}
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var mapOffset: CGFloat = 0.0
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func setMapCenter(coordinate: CLLocationCoordinate2D, radius: Double, insets: UIEdgeInsets, offset: CGFloat, animated: Bool = false) {
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self.mapOffset = offset
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self.ignoreRegionChanges = true
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let mapRect = MKMapRect(region: MKCoordinateRegion(center: coordinate, latitudinalMeters: radius * 2.0, longitudinalMeters: radius * 2.0))
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self.mapView?.setVisibleMapRect(mapRect, edgePadding: insets, animated: animated)
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self.ignoreRegionChanges = false
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self.proximityDimView.center = CGPoint(x: self.bounds.midX, y: self.bounds.midY + offset)
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}
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func setMapCenter(coordinate: CLLocationCoordinate2D, span: MKCoordinateSpan = defaultMapSpan, offset: CGPoint = CGPoint(), isUserLocation: Bool = false, hidePicker: Bool = false, animated: Bool = false) {
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let region = MKCoordinateRegion(center: coordinate, span: span)
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self.ignoreRegionChanges = true
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if offset == CGPoint() {
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self.mapView?.setRegion(region, animated: animated)
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} else {
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let mapRect = MKMapRect(region: region)
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self.mapView?.setVisibleMapRect(mapRect, edgePadding: UIEdgeInsets(top: offset.y, left: offset.x, bottom: 0.0, right: 0.0), animated: animated)
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}
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self.ignoreRegionChanges = false
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if isUserLocation {
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if !self.returnedToUserLocation {
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self.returnedToUserLocation = true
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self.pickerAnnotationView?.setRaised(true, animated: true)
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}
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} else if self.hasPickerAnnotation, let customUserLocationAnnotationView = self.customUserLocationAnnotationView, customUserLocationAnnotationView.isHidden, hidePicker {
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self.pickerAnnotationContainerView.isHidden = true
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customUserLocationAnnotationView.setSelected(false, animated: false)
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customUserLocationAnnotationView.isHidden = false
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customUserLocationAnnotationView.animateAppearance()
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}
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}
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func mapView(_ mapView: MKMapView, regionWillChangeAnimated animated: Bool) {
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guard !self.ignoreRegionChanges, let scrollView = mapView.subviews.first, let gestureRecognizers = scrollView.gestureRecognizers else {
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return
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}
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for gestureRecognizer in gestureRecognizers {
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if gestureRecognizer.state == .began || gestureRecognizer.state == .ended {
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self.isDragging = true
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self.returnedToUserLocation = false
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self.beganInteractiveDragging?()
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self.switchToPicking(raise: true, animated: true)
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break
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}
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}
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}
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func mapView(_ mapView: MKMapView, regionDidChangeAnimated animated: Bool) {
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let wasDragging = self.isDragging
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if self.isDragging {
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self.isDragging = false
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if let coordinate = self.mapCenterCoordinate {
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self.endedInteractiveDragging?(coordinate)
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}
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}
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if let pickerAnnotationView = self.pickerAnnotationView {
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if pickerAnnotationView.isRaised && (wasDragging || self.returnedToUserLocation) {
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self.schedulePin(wasDragging: wasDragging)
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}
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}
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}
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func mapView(_ mapView: MKMapView, didUpdate userLocation: MKUserLocation) {
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guard let location = userLocation.location else {
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return
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}
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userLocation.title = ""
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self.locationPromise.set(.single(location))
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}
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func mapView(_ mapView: MKMapView, didFailToLocateUserWithError error: Error) {
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self.locationPromise.set(.single(nil))
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}
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func mapView(_ mapView: MKMapView, viewFor annotation: MKAnnotation) -> MKAnnotationView? {
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if annotation === mapView.userLocation {
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return nil
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}
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if let annotation = annotation as? LocationPinAnnotation {
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var view = mapView.dequeueReusableAnnotationView(withIdentifier: locationPinReuseIdentifier)
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if view == nil {
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view = LocationPinAnnotationView(annotation: annotation)
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}
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return view
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}
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return nil
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}
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func mapView(_ mapView: MKMapView, didAdd views: [MKAnnotationView]) {
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for view in views {
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if view.annotation is MKUserLocation {
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self.userLocationAnnotationView = view
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if let headingArrowView = self.headingArrowView {
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view.addSubview(headingArrowView)
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headingArrowView.center = CGPoint(x: view.frame.width / 2.0, y: view.frame.height / 2.0)
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}
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if let annotationView = self.customUserLocationAnnotationView {
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view.addSubview(annotationView)
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}
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} else if let view = view as? LocationPinAnnotationView {
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view.setZPosition(view.defaultZPosition)
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}
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if let container = view.superview {
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container.insertSubview(self.proximityDimView, at: 0)
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}
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}
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}
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func mapView(_ mapView: MKMapView, didSelect view: MKAnnotationView) {
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guard let annotation = view.annotation as? LocationPinAnnotation else {
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return
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}
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if let view = view as? LocationPinAnnotationView {
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view.setZPosition(nil)
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}
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self.annotationSelected?(annotation)
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if let annotationView = self.customUserLocationAnnotationView, annotationView.isSelected {
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annotationView.setSelected(false, animated: true)
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}
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}
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func mapView(_ mapView: MKMapView, didDeselect view: MKAnnotationView) {
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if let view = view as? LocationPinAnnotationView {
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Queue.mainQueue().after(0.2) {
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view.setZPosition(view.defaultZPosition)
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}
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}
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Queue.mainQueue().after(0.05) {
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if mapView.selectedAnnotations.isEmpty {
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if !self.isDragging {
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self.annotationSelected?(nil)
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}
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if let annotationView = self.customUserLocationAnnotationView, !annotationView.isSelected {
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annotationView.setSelected(true, animated: true)
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}
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}
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}
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}
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func mapView(_ mapView: MKMapView, rendererFor overlay: MKOverlay) -> MKOverlayRenderer {
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if let circle = overlay as? MKCircle {
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let renderer = ProximityCircleRenderer(circle: circle)
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renderer.fillColor = .clear
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renderer.strokeColor = UIColor(rgb: 0xc3baaf)
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renderer.lineWidth = 0.75
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renderer.lineDashPattern = [5, 4]
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return renderer
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} else {
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return MKOverlayRenderer()
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}
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}
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var distancesToAllAnnotations: Signal<[Double], NoError> {
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let poll = Signal<[LocationPinAnnotation], NoError> { [weak self] subscriber in
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if let strongSelf = self {
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subscriber.putNext(strongSelf.annotations)
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}
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subscriber.putCompletion()
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return EmptyDisposable
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}
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let annotationsPoll = (poll |> then(.complete() |> delay(1.0, queue: Queue.concurrentDefaultQueue()))) |> restart
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return combineLatest(self.userLocation, annotationsPoll)
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|> map { userLocation, annotations -> [Double] in
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var distances: [Double] = []
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if let userLocation = userLocation {
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for annotation in annotations {
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distances.append(userLocation.distance(from: CLLocation(latitude: annotation.coordinate.latitude, longitude: annotation.coordinate.longitude)))
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}
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}
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return distances.sorted()
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}
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}
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var currentUserLocation: CLLocation? {
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return self.mapView?.userLocation.location
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}
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var userLocation: Signal<CLLocation?, NoError> {
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return self.locationPromise.get()
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}
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var mapCenterCoordinate: CLLocationCoordinate2D? {
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guard let mapView = self.mapView else {
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return nil
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}
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return mapView.convert(CGPoint(x: (mapView.frame.width + pinOffset.x) / 2.0, y: (mapView.frame.height + pinOffset.y) / 2.0), toCoordinateFrom: mapView)
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}
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var mapSpan: MKCoordinateSpan? {
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|
guard let mapView = self.mapView else {
|
|
return nil
|
|
}
|
|
return mapView.region.span
|
|
}
|
|
|
|
func resetAnnotationSelection() {
|
|
guard let mapView = self.mapView else {
|
|
return
|
|
}
|
|
for annotation in mapView.selectedAnnotations {
|
|
mapView.deselectAnnotation(annotation, animated: true)
|
|
}
|
|
}
|
|
|
|
var pickerAnnotationView: LocationPinAnnotationView? = nil
|
|
var hasPickerAnnotation: Bool = false {
|
|
didSet {
|
|
if self.hasPickerAnnotation, let annotation = self.userLocationAnnotation {
|
|
let pickerAnnotationView = LocationPinAnnotationView(annotation: annotation)
|
|
pickerAnnotationView.center = CGPoint(x: self.pickerAnnotationContainerView.frame.width / 2.0, y: self.pickerAnnotationContainerView.frame.height / 2.0 + 16.0)
|
|
self.pickerAnnotationContainerView.addSubview(pickerAnnotationView)
|
|
self.pickerAnnotationView = pickerAnnotationView
|
|
} else {
|
|
self.pickerAnnotationView?.removeFromSuperview()
|
|
self.pickerAnnotationView = nil
|
|
}
|
|
}
|
|
}
|
|
|
|
func switchToPicking(raise: Bool = false, animated: Bool) {
|
|
guard self.hasPickerAnnotation else {
|
|
return
|
|
}
|
|
|
|
self.customUserLocationAnnotationView?.isHidden = true
|
|
self.pickerAnnotationContainerView.isHidden = false
|
|
if let pickerAnnotationView = self.pickerAnnotationView, !pickerAnnotationView.isRaised {
|
|
pickerAnnotationView.setCustom(true, animated: animated)
|
|
if raise {
|
|
pickerAnnotationView.setRaised(true, animated: animated)
|
|
}
|
|
}
|
|
self.resetAnnotationSelection()
|
|
self.resetScheduledPin()
|
|
}
|
|
|
|
var customUserLocationAnnotationView: LocationPinAnnotationView? = nil
|
|
var userLocationAnnotation: LocationPinAnnotation? = nil {
|
|
didSet {
|
|
if let annotation = self.userLocationAnnotation {
|
|
self.customUserLocationAnnotationView?.removeFromSuperview()
|
|
|
|
let annotationView = LocationPinAnnotationView(annotation: annotation)
|
|
annotationView.frame = annotationView.frame.offsetBy(dx: 21.0, dy: 22.0)
|
|
if let parentView = self.userLocationAnnotationView {
|
|
parentView.addSubview(annotationView)
|
|
}
|
|
self.customUserLocationAnnotationView = annotationView
|
|
|
|
self.pickerAnnotationView?.annotation = annotation
|
|
} else {
|
|
self.customUserLocationAnnotationView?.removeFromSuperview()
|
|
self.customUserLocationAnnotationView = nil
|
|
}
|
|
}
|
|
}
|
|
|
|
var userHeading: CGFloat? = nil {
|
|
didSet {
|
|
if let heading = self.userHeading {
|
|
self.headingArrowView?.isHidden = false
|
|
self.headingArrowView?.transform = CGAffineTransform(rotationAngle: CGFloat(heading / 180.0 * CGFloat.pi))
|
|
} else {
|
|
self.headingArrowView?.isHidden = true
|
|
self.headingArrowView?.transform = CGAffineTransform.identity
|
|
}
|
|
}
|
|
}
|
|
|
|
var annotations: [LocationPinAnnotation] = [] {
|
|
didSet {
|
|
guard let mapView = self.mapView else {
|
|
return
|
|
}
|
|
|
|
var dict: [String: LocationPinAnnotation] = [:]
|
|
for annotation in self.annotations {
|
|
dict[annotation.id] = annotation
|
|
}
|
|
|
|
var annotationsToRemove = Set<LocationPinAnnotation>()
|
|
for annotation in mapView.annotations {
|
|
guard let annotation = annotation as? LocationPinAnnotation else {
|
|
continue
|
|
}
|
|
|
|
if let updatedAnnotation = dict[annotation.id] {
|
|
func degToRad(_ degrees: Double) -> Double {
|
|
return degrees * Double.pi / 180.0
|
|
}
|
|
|
|
func radToDeg(_ radians: Double) -> Double {
|
|
return radians / Double.pi * 180.0
|
|
}
|
|
|
|
let currentCoordinate = annotation.coordinate
|
|
let coordinate = updatedAnnotation.coordinate
|
|
var heading = updatedAnnotation.heading
|
|
if heading == nil {
|
|
let previous = CLLocation(latitude: currentCoordinate.latitude, longitude: currentCoordinate.longitude)
|
|
let new = CLLocation(latitude: coordinate.latitude, longitude: coordinate.longitude)
|
|
|
|
if new.distance(from: previous) > 10 {
|
|
let lat1 = degToRad(currentCoordinate.latitude)
|
|
let lon1 = degToRad(currentCoordinate.longitude)
|
|
let lat2 = degToRad(coordinate.latitude)
|
|
let lon2 = degToRad(coordinate.longitude)
|
|
|
|
let dLat = lat2 - lat1
|
|
let dLon = lon2 - lon1
|
|
|
|
if dLat != 0 && dLon != 0 {
|
|
let y = sin(dLon) * cos(lat2)
|
|
let x = cos(lat1) * sin(lat2) - sin(lat1) * cos(lat2) * cos(dLon)
|
|
heading = NSNumber(value: radToDeg(atan2(y, x)))
|
|
}
|
|
} else {
|
|
heading = annotation.heading
|
|
}
|
|
}
|
|
|
|
UIView.animate(withDuration: 0.2) {
|
|
annotation.coordinate = updatedAnnotation.coordinate
|
|
}
|
|
|
|
annotation.heading = heading
|
|
dict[annotation.id] = nil
|
|
} else {
|
|
annotationsToRemove.insert(annotation)
|
|
}
|
|
}
|
|
|
|
let selectedAnnotation = mapView.selectedAnnotations.first
|
|
var updated = false
|
|
if !annotationsToRemove.isEmpty {
|
|
mapView.removeAnnotations(Array(annotationsToRemove))
|
|
updated = true
|
|
}
|
|
if !dict.isEmpty {
|
|
mapView.addAnnotations(Array(dict.values))
|
|
updated = true
|
|
}
|
|
if let selectedAnnotation = selectedAnnotation as? LocationPinAnnotation, updated {
|
|
for annotation in self.annotations {
|
|
if annotation.id == selectedAnnotation.id {
|
|
mapView.selectAnnotation(annotation, animated: false)
|
|
break
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func schedulePin(wasDragging: Bool) {
|
|
let timeout: Double = wasDragging ? 0.38 : 0.05
|
|
|
|
let signal: Signal<Never, NoError> = .complete()
|
|
|> delay(timeout, queue: Queue.mainQueue())
|
|
self.pinDisposable.set(signal.start(completed: { [weak self] in
|
|
guard let strongSelf = self, let pickerAnnotationView = strongSelf.pickerAnnotationView else {
|
|
return
|
|
}
|
|
|
|
pickerAnnotationView.setRaised(false, animated: true) { [weak self] in
|
|
guard let strongSelf = self else {
|
|
return
|
|
}
|
|
|
|
if strongSelf.returnedToUserLocation {
|
|
strongSelf.pickerAnnotationContainerView.isHidden = true
|
|
strongSelf.customUserLocationAnnotationView?.isHidden = false
|
|
}
|
|
}
|
|
|
|
if strongSelf.returnedToUserLocation {
|
|
pickerAnnotationView.setCustom(false, animated: true)
|
|
}
|
|
}))
|
|
}
|
|
|
|
private func resetScheduledPin() {
|
|
self.pinDisposable.set(nil)
|
|
}
|
|
|
|
func showAll(animated: Bool = true) {
|
|
guard let mapView = self.mapView else {
|
|
return
|
|
}
|
|
var annotations: [MKAnnotation] = []
|
|
if let userAnnotation = self.userLocationAnnotation {
|
|
annotations.append(userAnnotation)
|
|
}
|
|
annotations.append(contentsOf: self.annotations)
|
|
|
|
var zoomRect: MKMapRect?
|
|
for annotation in annotations {
|
|
let pointRegionRect = MKMapRect(region: MKCoordinateRegion(center: annotation.coordinate, latitudinalMeters: 100, longitudinalMeters: 100))
|
|
if let currentZoomRect = zoomRect {
|
|
zoomRect = currentZoomRect.union(pointRegionRect)
|
|
} else {
|
|
zoomRect = pointRegionRect
|
|
}
|
|
}
|
|
|
|
if let zoomRect = zoomRect {
|
|
let insets = UIEdgeInsets(top: 88.0, left: 80.0, bottom: 160.0, right: 80.0)
|
|
let fittedZoomRect = mapView.mapRectThatFits(zoomRect, edgePadding: insets)
|
|
mapView.setVisibleMapRect(fittedZoomRect, animated: animated)
|
|
}
|
|
}
|
|
|
|
func updateLayout(size: CGSize) {
|
|
self.proximityDimView.frame = CGRect(origin: CGPoint(x: 0.0, y: self.mapOffset), size: size)
|
|
self.pickerAnnotationContainerView.frame = CGRect(x: 0.0, y: floorToScreenPixels((size.height - size.width) / 2.0), width: size.width, height: size.width)
|
|
if let pickerAnnotationView = self.pickerAnnotationView {
|
|
pickerAnnotationView.center = CGPoint(x: self.pickerAnnotationContainerView.frame.width / 2.0, y: self.pickerAnnotationContainerView.frame.height / 2.0)
|
|
}
|
|
}
|
|
}
|