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Code Issues Packages Projects Releases Wiki Activity

Display user heading in location picker and location view

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This commit is contained in:
Ilya Laktyushin
2020-07-28 16:58:19 +03:00
parent 3fbb7bf303
commit 3c0afd30d4
4 changed files with 103 additions and 5 deletions
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39
submodules/LocationUI/Sources/LocationMapNode.swift
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@@ -68,11 +68,30 @@ private class LocationMapView: MKMapView, UIGestureRecognizerDelegate {
}
}
private func generateHeadingArrowImage() -> UIImage? {
return generateImage(CGSize(width: 28.0, height: 28.0)) { size, context in
let bounds = CGRect(origin: CGPoint(), size: size)
context.clear(bounds)
context.setFillColor(UIColor(rgb: 0x3393fe).cgColor)
context.move(to: CGPoint(x: 14.0, y: 0.0))
context.addLine(to: CGPoint(x: 19.0, y: 7.0))
context.addLine(to: CGPoint(x: 9.0, y: 7.0))
context.closePath()
context.fillPath()
context.setBlendMode(.clear)
context.fillEllipse(in: bounds.insetBy(dx: 5.0, dy: 5.0))
}
}
final class LocationMapNode: ASDisplayNode, MKMapViewDelegate {
private let locationPromise = Promise<CLLocation?>(nil)
private let pickerAnnotationContainerView: PickerAnnotationContainerView
private weak var userLocationAnnotationView: MKAnnotationView?
private var headingArrowView: UIImageView?
private let pinDisposable = MetaDisposable()
@@ -103,6 +122,10 @@ final class LocationMapNode: ASDisplayNode, MKMapViewDelegate {
override func didLoad() {
super.didLoad()
self.headingArrowView = UIImageView()
self.headingArrowView?.frame = CGRect(origin: CGPoint(), size: CGSize(width: 28.0, height: 28.0))
self.headingArrowView?.image = generateHeadingArrowImage()
self.mapView?.interactiveTransitionGestureRecognizerTest = { p in
if p.x > 44.0 {
return true
@@ -232,6 +255,10 @@ final class LocationMapNode: ASDisplayNode, MKMapViewDelegate {
for view in views {
if view.annotation is MKUserLocation {
self.userLocationAnnotationView = view
if let headingArrowView = self.headingArrowView {
view.addSubview(headingArrowView)
headingArrowView.center = CGPoint(x: view.frame.width / 2.0, y: view.frame.height / 2.0)
}
if let annotationView = self.customUserLocationAnnotationView {
view.addSubview(annotationView)
}
@@ -347,6 +374,18 @@ final class LocationMapNode: ASDisplayNode, MKMapViewDelegate {
}
}
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 {