playground/frontend/lib/config/locale.dart

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:playground/l10n/l10n.dart';

class LocaleProvider extends ChangeNotifier {
  Locale? _locale;

  Locale get locale =>
      _locale ?? Locale(Intl.getCurrentLocale().substring(0, 2));

  void setLocale(Locale locale) {
    if (L10n.locales.contains(locale)) {
      _locale = locale;
      notifyListeners();
    } else {
      return;
    }
  }
}