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 <[email protected]>

* Correcting task sleep

* Adds docs, reverts structure for private

* Adds docs, reverts structure for private

---------

Co-authored-by: Ian Wagner <[email protected]>

Author: Archdoog

Package.resolved

@@ -1,5 +1,5 @@
 {
-  "originHash" : "e5123889438e3e8a4097dfcd17eaffeef3252f808a02de32d517dd5e9c8ead14",
+  "originHash" : "3ef0341fce60ebda3bd350b1bafb9cebcd8654136f438ae028750da294ee7bf8",
   "pins" : [
     {
       "identity" : "maplibre-gl-native-distribution",
@@ -19,6 +19,15 @@
         "version" : "0.3.1"
       }
     },
+    {
+      "identity" : "swift-custom-dump",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/pointfreeco/swift-custom-dump",
+      "state" : {
+        "revision" : "82645ec760917961cfa08c9c0c7104a57a0fa4b1",
+        "version" : "1.3.3"
+      }
+    },
     {
       "identity" : "swift-macro-testing",
       "kind" : "remoteSourceControl",
@@ -33,8 +42,8 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/pointfreeco/swift-snapshot-testing",
       "state" : {
-        "revision" : "2e6a85b73fc14e27d7542165ae73b1a10516ca9a",
-        "version" : "1.17.7"
+        "revision" : "1be8144023c367c5de701a6313ed29a3a10bf59b",
+        "version" : "1.18.3"
       }
     },
     {

Sources/MapLibreSwiftUI/Extensions/MapLibre/MLNMapViewCameraUpdating.swift

@@ -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/MapView.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
+            )
         }
     }