lemmur-app-android/lib/stores/config_store.dart

61 lines
1.6 KiB
Dart

import 'dart:convert';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:json_annotation/json_annotation.dart';
import 'package:shared_preferences/shared_preferences.dart';
import '../l10n/l10n.dart';
part 'config_store.g.dart';
/// Store managing user-level configuration such as theme or language
@JsonSerializable()
class ConfigStore extends ChangeNotifier {
static const prefsKey = 'v1:ConfigStore';
static final _prefs = SharedPreferences.getInstance();
ThemeMode _theme;
@JsonKey(defaultValue: ThemeMode.system)
ThemeMode get theme => _theme;
set theme(ThemeMode theme) {
_theme = theme;
notifyListeners();
save();
}
bool _amoledDarkMode;
@JsonKey(defaultValue: false)
bool get amoledDarkMode => _amoledDarkMode;
set amoledDarkMode(bool amoledDarkMode) {
_amoledDarkMode = amoledDarkMode;
notifyListeners();
save();
}
Locale _locale;
// default value is set in the `load` method because json_serializable does
// not accept non-literals as constant values
@JsonKey(fromJson: LocaleSerde.fromJson, toJson: LocaleSerde.toJson)
Locale get locale => _locale;
set locale(Locale locale) {
_locale = locale;
notifyListeners();
save();
}
static Future<ConfigStore> load() async {
final prefs = await _prefs;
return _$ConfigStoreFromJson(
jsonDecode(prefs.getString(prefsKey) ?? '{}') as Map<String, dynamic>,
).._locale ??= const Locale('en');
}
Future<void> save() async {
final prefs = await _prefs;
await prefs.setString(prefsKey, jsonEncode(_$ConfigStoreToJson(this)));
}
}