Replace implementation type with our type in map

np_gps_map/lib/np_gps_map.dart

@@ -2,7 +2,6 @@ library np_gps_map;
 
 export 'src/gps_map.dart';
 export 'src/interactive_map.dart';
-export 'src/map_coord.dart';
 export 'src/place_picker.dart';
 export 'src/type.dart';
 export 'src/util.dart' show initGpsMap;

np_gps_map/lib/src/gps_map.dart

@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
-import 'package:np_gps_map/src/map_coord.dart';
 import 'package:np_gps_map/src/native/google_gps_map.dart'
     if (dart.library.html) 'package:np_gps_map/src/web/google_gps_map.dart';
 import 'package:np_gps_map/src/osm_gps_map.dart';
+import 'package:np_gps_map/src/type.dart';
 import 'package:np_gps_map/src/util.dart';
 import 'package:np_platform_util/np_platform_util.dart';
 

np_gps_map/lib/src/interactive_map.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:np_gps_map/src/gps_map.dart';
 import 'package:np_gps_map/src/interactive_map/google.dart';
 import 'package:np_gps_map/src/interactive_map/osm.dart';
-import 'package:np_gps_map/src/map_coord.dart';
 import 'package:np_gps_map/src/type.dart';
 import 'package:np_gps_map/src/util.dart';
 import 'package:np_platform_util/np_platform_util.dart';

np_gps_map/lib/src/interactive_map/google.dart

@@ -3,10 +3,8 @@ import 'dart:async';
 import 'package:flutter/material.dart';
 import 'package:google_maps_cluster_manager/google_maps_cluster_manager.dart';
 import 'package:google_maps_flutter/google_maps_flutter.dart';
-import 'package:latlong2/latlong.dart' as type;
 import 'package:np_common/object_util.dart';
 import 'package:np_gps_map/src/interactive_map.dart';
-import 'package:np_gps_map/src/map_coord.dart';
 import 'package:np_gps_map/src/type.dart' as type;
 
 typedef GoogleClusterBuilder = FutureOr<BitmapDescriptor> Function(
@@ -28,7 +26,7 @@ class GoogleInteractiveMap extends StatefulWidget {
   @override
   State<StatefulWidget> createState() => _GoogleInteractiveMapState();
 
-  final MapCoord? initialPosition;
+  final type.MapCoord? initialPosition;
   final double? initialZoom;
   final List<DataPoint>? dataPoints;
   final GoogleClusterBuilder? clusterBuilder;
@@ -64,10 +62,7 @@ class _GoogleInteractiveMapState extends State<GoogleInteractiveMap> {
       onCameraMove: (position) {
         _clusterManager.onCameraMove(position);
         widget.onCameraMove?.call(type.CameraPosition(
-          center: type.LatLng(
-            position.target.latitude,
-            position.target.longitude,
-          ),
+          center: position.target.toMapCoord(),
           zoom: position.zoom,
           rotation: position.bearing,
         ));
@@ -134,7 +129,7 @@ class _ParentController implements InteractiveMapController {
   const _ParentController(this.controller);
 
   @override
-  void setPosition(MapCoord position) {
+  void setPosition(type.MapCoord position) {
     controller
         .animateCamera(CameraUpdate.newLatLngZoom(position.toLatLng(), 10));
   }
@@ -142,7 +137,7 @@ class _ParentController implements InteractiveMapController {
   final GoogleMapController controller;
 }
 
-extension on MapCoord {
+extension on type.MapCoord {
   LatLng toLatLng() => LatLng(latitude, longitude);
 }
 

np_gps_map/lib/src/interactive_map/osm.dart

@@ -7,7 +7,6 @@ import 'package:flutter_map_marker_cluster/flutter_map_marker_cluster.dart';
 import 'package:latlong2/latlong.dart';
 import 'package:np_common/object_util.dart';
 import 'package:np_gps_map/src/interactive_map.dart';
-import 'package:np_gps_map/src/map_coord.dart';
 import 'package:np_gps_map/src/type.dart';
 import 'package:rxdart/rxdart.dart';
 
@@ -51,7 +50,7 @@ class _OsmInteractiveMapState extends State<OsmInteractiveMap> {
         _subscriptions.add(_controller.mapEventStream.listen((ev) {
           _mapRotationRadSubject.add(ev.camera.rotationRad);
           widget.onCameraMove?.call(CameraPosition(
-            center: ev.camera.center,
+            center: ev.camera.center.toMapCoord(),
             zoom: ev.camera.zoom,
             rotation: (360 - ev.camera.rotation) % 360,
           ));

np_gps_map/lib/src/map_coord.dart

@@ -1,9 +0,0 @@
-class MapCoord {
-  const MapCoord(this.latitude, this.longitude);
-
-  @override
-  String toString() => "MapCoord {latitude: $latitude, longitude: $longitude}";
-
-  final double latitude;
-  final double longitude;
-}

np_gps_map/lib/src/native/google_gps_map.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:google_maps_flutter/google_maps_flutter.dart';
-import 'package:np_gps_map/src/map_coord.dart';
+import 'package:np_gps_map/src/type.dart' as type;
 
 class GoogleGpsMap extends StatelessWidget {
   const GoogleGpsMap({
@@ -46,7 +46,7 @@ class GoogleGpsMap extends StatelessWidget {
     );
   }
 
-  final MapCoord center;
+  final type.MapCoord center;
   final double zoom;
   final VoidCallback? onTap;
 }

np_gps_map/lib/src/osm_gps_map.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_map/flutter_map.dart';
 import 'package:latlong2/latlong.dart';
-import 'package:np_gps_map/src/map_coord.dart';
+import 'package:np_gps_map/src/type.dart';
 import 'package:url_launcher/url_launcher_string.dart';
 
 class OsmGpsMap extends StatelessWidget {

np_gps_map/lib/src/place_picker.dart

@@ -1,7 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:np_gps_map/src/gps_map.dart';
 import 'package:np_gps_map/src/interactive_map.dart';
-import 'package:np_gps_map/src/map_coord.dart';
 import 'package:np_gps_map/src/type.dart';
 
 class PlacePickerView extends StatelessWidget {

np_gps_map/lib/src/type.dart

@@ -1,17 +1,46 @@
 import 'package:equatable/equatable.dart';
+import 'package:google_maps_flutter/google_maps_flutter.dart' as gmap;
 import 'package:latlong2/latlong.dart';
 import 'package:np_common/type.dart';
 
+/// A pair of latitude and longitude coordinates, stored as degrees
+class MapCoord {
+  const MapCoord(this.latitude, this.longitude);
+
+  MapCoord.fromJson(JsonObj json)
+      : latitude = json["lat"],
+        longitude = json["lng"];
+
+  @override
+  String toString() => "MapCoord {latitude: $latitude, longitude: $longitude}";
+
+  JsonObj toJson() => {
+        "lat": latitude,
+        "lng": longitude,
+      };
+
+  final double latitude;
+  final double longitude;
+}
+
+extension GLatLngExtension on gmap.LatLng {
+  MapCoord toMapCoord() => MapCoord(latitude, longitude);
+}
+
+extension LatLngExtension on LatLng {
+  MapCoord toMapCoord() => MapCoord(latitude, longitude);
+}
+
 class CameraPosition with EquatableMixin {
   const CameraPosition({
     required this.center,
     required this.zoom,
-    required this.rotation,
+    this.rotation = 0,
   });
 
   factory CameraPosition.fromJson(JsonObj json) {
     return CameraPosition(
-      center: LatLng.fromJson(json["center"]),
+      center: MapCoord.fromJson(json["center"]),
       zoom: json["zoom"],
       rotation: json["rotation"],
     );
@@ -35,7 +64,7 @@ class CameraPosition with EquatableMixin {
   @override
   List<Object?> get props => [center, zoom, rotation];
 
-  final LatLng center;
+  final MapCoord center;
   final double zoom;
   // The camera's bearing in degrees, measured clockwise from north.
   //