packages/google_maps_flutter/google_maps_flutter_android/android/src/main/java/io/flutter/plugins/googlemaps/GoogleMapFactory.java

// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package io.flutter.plugins.googlemaps;

import android.content.Context;
import com.google.android.gms.maps.model.CameraPosition;
import io.flutter.plugin.common.BinaryMessenger;
import io.flutter.plugin.common.StandardMessageCodec;
import io.flutter.plugin.platform.PlatformView;
import io.flutter.plugin.platform.PlatformViewFactory;
import java.util.List;
import java.util.Map;

public class GoogleMapFactory extends PlatformViewFactory {

  private final BinaryMessenger binaryMessenger;
  private final LifecycleProvider lifecycleProvider;

  GoogleMapFactory(BinaryMessenger binaryMessenger, LifecycleProvider lifecycleProvider) {
    super(StandardMessageCodec.INSTANCE);
    this.binaryMessenger = binaryMessenger;
    this.lifecycleProvider = lifecycleProvider;
  }

  @SuppressWarnings("unchecked")
  @Override
  public PlatformView create(Context context, int id, Object args) {
    Map<String, Object> params = (Map<String, Object>) args;
    final GoogleMapBuilder builder = new GoogleMapBuilder();

    Convert.interpretGoogleMapOptions(params.get("options"), builder);
    if (params.containsKey("initialCameraPosition")) {
      CameraPosition position = Convert.toCameraPosition(params.get("initialCameraPosition"));
      builder.setInitialCameraPosition(position);
    }
    if (params.containsKey("markersToAdd")) {
      builder.setInitialMarkers(params.get("markersToAdd"));
    }
    if (params.containsKey("polygonsToAdd")) {
      builder.setInitialPolygons(params.get("polygonsToAdd"));
    }
    if (params.containsKey("polylinesToAdd")) {
      builder.setInitialPolylines(params.get("polylinesToAdd"));
    }
    if (params.containsKey("circlesToAdd")) {
      builder.setInitialCircles(params.get("circlesToAdd"));
    }
    if (params.containsKey("tileOverlaysToAdd")) {
      builder.setInitialTileOverlays((List<Map<String, ?>>) params.get("tileOverlaysToAdd"));
    }
    return builder.build(id, context, binaryMessenger, lifecycleProvider);
  }
}