aves/lib/model/availability.dart
Thibault Deckers 8ced682bfd map style check
2022-05-22 17:44:38 +09:00

53 lines
1.6 KiB
Dart

import 'package:aves/model/settings/enums/map_style.dart';
import 'package:aves/services/common/services.dart';
import 'package:aves_map/aves_map.dart';
import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:flutter/foundation.dart';
abstract class AvesAvailability {
void onResume();
Future<bool> get isConnected;
Future<bool> get canLocatePlaces;
List<EntryMapStyle> get mapStyles;
}
class LiveAvesAvailability implements AvesAvailability {
bool? _isConnected;
LiveAvesAvailability() {
Connectivity().onConnectivityChanged.listen(_updateConnectivityFromResult);
}
@override
void onResume() => _isConnected = null;
@override
Future<bool> get isConnected async {
if (_isConnected != null) return SynchronousFuture(_isConnected!);
final result = await (Connectivity().checkConnectivity());
_updateConnectivityFromResult(result);
return _isConnected!;
}
void _updateConnectivityFromResult(ConnectivityResult result) {
final newValue = result != ConnectivityResult.none;
if (_isConnected != newValue) {
_isConnected = newValue;
debugPrint('Device is connected=$_isConnected');
}
}
// local geocoding with `geocoder` seems to require Google Play Services
// what about devices with Huawei Mobile Services?
@override
Future<bool> get canLocatePlaces async => mobileServices.isServiceAvailable && await isConnected;
@override
List<EntryMapStyle> get mapStyles => [
...mobileServices.mapStyles,
...EntryMapStyle.values.where((v) => !v.needMobileService),
];
}