[google_maps_flutter] Refactor JS bridge and verify integration tests based on upstream v2.17.0

Author: seungsoo47

packages/google_maps_flutter/lib/google_maps_flutter_tizen.dart

@@ -7,7 +7,6 @@ library google_maps_flutter_tizen;
 
 import 'dart:async';
 import 'dart:convert';
-import 'dart:io';
 import 'dart:ui' as ui;
 
 import 'package:flutter/foundation.dart';
@@ -19,6 +18,7 @@ import 'package:google_maps_flutter_platform_interface/google_maps_flutter_platf
 import 'package:stream_transform/stream_transform.dart';
 import 'package:webview_flutter/webview_flutter.dart';
 
+import 'src/google_maps_js_bridge.dart';
 import 'src/util.dart' as util;
 
 part 'src/circle.dart';

packages/google_maps_flutter/lib/src/circle.dart

@@ -12,11 +12,11 @@ class CircleController {
     required util.GCircle circle,
     bool consumeTapEvents = false,
     ui.VoidCallback? onTap,
-    WebViewController? controller,
+    required GoogleMapsJsBridge bridge,
   })  : _circle = circle,
         _consumeTapEvents = consumeTapEvents,
         tapEvent = onTap {
-    _addCircleEvent(controller);
+    _addCircleEvent(bridge);
   }
 
   util.GCircle? _circle;
@@ -25,10 +25,10 @@ class CircleController {
   /// Circle component's tap event.
   ui.VoidCallback? tapEvent;
 
-  Future<void> _addCircleEvent(WebViewController? controller) async {
+  Future<void> _addCircleEvent(GoogleMapsJsBridge bridge) async {
     final String command =
         "$_circle.addListener('click', (event) => CircleClick.postMessage(JSON.stringify(${_circle?.id})));";
-    await controller!.runJavaScript(command);
+    await bridge.runJavaScript(command);
   }
 
   /// Returns `true` if this Controller will use its own `onTap` handler to consume events.

packages/google_maps_flutter/lib/src/circles.dart

@@ -8,8 +8,11 @@ part of '../google_maps_flutter_tizen.dart';
 /// This class manages all the [CircleController]s associated to a [GoogleMapController].
 class CirclesController extends GeometryController {
   /// Initialize the cache. The [StreamController] comes from the [GoogleMapController], and is shared with other controllers.
-  CirclesController({required StreamController<MapEvent<Object?>> stream})
-      : _streamController = stream,
+  CirclesController({
+    required StreamController<MapEvent<Object?>> stream,
+    required GoogleMapsJsBridge bridge,
+  })  : _streamController = stream,
+        _bridge = bridge,
         _circleIdToController = <CircleId, CircleController>{},
         _idToCircleId = <int, CircleId>{};
 
@@ -20,6 +23,8 @@ class CirclesController extends GeometryController {
   // The stream over which circles broadcast their events
   final StreamController<MapEvent<Object?>> _streamController;
 
+  final GoogleMapsJsBridge _bridge;
+
   /// Adds a set of [Circle] objects to the cache.
   ///
   /// Wraps each [Circle] into its corresponding [CircleController].
@@ -35,14 +40,14 @@ class CirclesController extends GeometryController {
     final util.GCircleOptions populationOptions = _circleOptionsFromCircle(
       circle,
     );
-    final util.GCircle gCircle = util.GCircle(populationOptions);
+    final util.GCircle gCircle = util.GCircle(_bridge, populationOptions);
     final CircleController controller = CircleController(
       circle: gCircle,
       consumeTapEvents: circle.consumeTapEvents,
       onTap: () {
         _onCircleTap(circle.circleId);
       },
-      controller: util.webController,
+      bridge: _bridge,
     );
     _idToCircleId[gCircle.id] = circle.circleId;
     _circleIdToController[circle.circleId] = controller;