Fix/camera state stalls (#84)

* feat: task based camera

* fix: modern concurrency camera

* fix: modern concurrency camera

* Update MapViewCoordinatorCameraTests.swift

Co-authored-by: Ian Wagner <ianwagner+github@switzerlandmail.ch>

* Correcting task sleep

* Adds docs, reverts structure for private

* Adds docs, reverts structure for private

---------

Co-authored-by: Ian Wagner <ianwagner+github@switzerlandmail.ch>

Author: Archdoog

Package.resolved

@@ -9,6 +9,8 @@ public protocol MLNMapViewCameraUpdating: AnyObject {
     @MainActor var userTrackingMode: MLNUserTrackingMode { get set }
     @MainActor func setUserTrackingMode(_ mode: MLNUserTrackingMode, animated: Bool, completionHandler: (() -> Void)?)
 
+    @MainActor var centerCoordinate: CLLocationCoordinate2D { get set }
+    @MainActor var zoomLevel: Double { get set }
     @MainActor var minimumPitch: CGFloat { get set }
     @MainActor var maximumPitch: CGFloat { get set }
     @MainActor var direction: CLLocationDirection { get set }

Sources/MapLibreSwiftUI/Extensions/MapLibre/MLNMapViewCameraUpdating.swift

@@ -76,9 +76,7 @@ public struct MapView<T: MapViewHostViewController>: UIViewControllerRepresentab
 
         // Apply modifiers, suppressing camera update propagation (this messes with setting our initial camera as
         // content insets can trigger a change)
-        context.coordinator.suppressCameraUpdatePropagation = true
         applyModifiers(controller, runUnsafe: false)
-        context.coordinator.suppressCameraUpdatePropagation = false
 
         controller.mapView.locationManager = locationManager
 
@@ -87,9 +85,12 @@ public struct MapView<T: MapViewHostViewController>: UIViewControllerRepresentab
             controller.mapView.styleURL = styleURL
         }
 
-        context.coordinator.updateCamera(mapView: controller.mapView,
-                                         camera: $camera.wrappedValue,
-                                         animated: false)
+        context.coordinator.applyCameraChangeFromStateUpdate(
+            controller.mapView,
+            camera: camera,
+            animated: false
+        )
+
         controller.mapView.locationManager = controller.mapView.locationManager
 
         // Link the style loaded to the coordinator that emits the delegate event.
@@ -116,9 +117,11 @@ public struct MapView<T: MapViewHostViewController>: UIViewControllerRepresentab
         let isStyleLoaded = uiViewController.mapView.style != nil
 
         if cameraDisabled == false {
-            context.coordinator.updateCamera(mapView: uiViewController.mapView,
-                                             camera: camera,
-                                             animated: isStyleLoaded)
+            context.coordinator.applyCameraChangeFromStateUpdate(
+                uiViewController.mapView,
+                camera: camera,
+                animated: isStyleLoaded
+            )
         }
     }