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cyberwow/cyberwow/lib/state/loading.dart

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/*
Copyright 2019 fuwa
This file is part of CyberWOW.
CyberWOW is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
CyberWOW is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with CyberWOW. If not, see <https://www.gnu.org/licenses/>.
*/
import 'package:shared_preferences/shared_preferences.dart';
import '../controller/helper.dart';
import '../config.dart' as config;
import '../logging.dart';
import 'prototype.dart';
import 'syncing.dart';
class LoadingState extends AppState {
final String banner;
String status = '';
LoadingState(appHook, this.banner) : super (appHook);
void append(final String msg) {
this.status += msg;
syncState();
}
Future<SyncingState> next() async {
Future<void> showBanner() async {
List<String> chars = [];
banner.runes.forEach((int rune) {
final c = String.fromCharCode(rune);
chars.add(c);
});
for (final String char in chars) {
append(char);
await Future.delayed(Duration(milliseconds: config.c.splashDelay), () => "1");
}
await Future.delayed(const Duration(seconds: 2), () => "1");
}
SharedPreferences _prefs = await SharedPreferences.getInstance();
final _bannerShown = await _prefs.getBool(config.bannerShownKey);
if (_bannerShown == null) {
await showBanner();
_prefs.setBool(config.bannerShownKey, true);
}
SyncingState _next = SyncingState(appHook);
return moveState(_next);
}
}