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/*
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Copyright 2019 fuwa
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This file is part of CyberWOW.
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CyberWOW is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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CyberWOW is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with CyberWOW. If not, see <https://www.gnu.org/licenses/>.
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*/
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter/foundation.dart';
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import 'package:logging/logging.dart';
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import 'dart:io';
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import 'dart:async';
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import 'state.dart';
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import 'config.dart' as config;
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import 'logging.dart';
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import 'controller/process/deploy.dart' as process;
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import 'controller/process/run.dart' as process;
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import 'widget/loading.dart' as widget;
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import 'widget/blank.dart' as widget;
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import 'widget/syncing.dart' as widget;
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import 'widget/synced.dart' as widget;
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import 'widget/resyncing.dart' as widget;
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import 'widget/exiting.dart' as widget;
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void main() {
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Logger.root.level = kReleaseMode ? Level.INFO : Level.FINE;
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Logger.root.onRecord.listen((LogRecord rec) {
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print('${rec.level.name}: ${rec.time}: ${rec.message}');
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});
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runApp(CyberWOW_App());
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}
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class CyberWOW_App extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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SystemChrome.setEnabledSystemUIOverlays([SystemUiOverlay.bottom]);
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SystemChrome.setSystemUIOverlayStyle(SystemUiOverlayStyle.dark);
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return MaterialApp
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(
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title: 'CyberWOW',
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theme: config.c.theme,
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darkTheme: config.c.theme,
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home: CyberWOW_Page(title: 'CyberWOW'),
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);
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}
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}
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class CyberWOW_Page extends StatefulWidget {
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CyberWOW_Page({Key key, this.title}) : super(key: key);
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final String title;
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@override
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_CyberWOW_PageState createState() => _CyberWOW_PageState();
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}
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class _CyberWOW_PageState extends State<CyberWOW_Page> with WidgetsBindingObserver
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{
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// AppState _state = LoadingState("init...");
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AppState _state;
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AppLifecycleState _notification = AppLifecycleState.resumed;
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bool _exiting = false;
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final StreamController<String> inputStreamController = StreamController();
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@override
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void didChangeAppLifecycleState(AppLifecycleState state) {
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log.fine('app cycle: ${state}');
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setState(() { _notification = state; });
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}
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@override
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void dispose() {
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WidgetsBinding.instance.removeObserver(this);
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super.dispose();
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}
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void _setState(AppState newState) {
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setState
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(
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() => _state = newState
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);
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}
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AppLifecycleState _getNotification() {
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return _notification;
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}
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bool _isExiting() {
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return _exiting;
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}
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AppState _getState() {
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return _state;
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}
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void _updateLoading(LoadingState state, final String msg) {
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log.fine('updateLoading: ' + msg);
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}
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Future<void> buildStateMachine(final BlankState _blankState) async {
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final loadingText = config.c.splash;
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LoadingState _loadingState = await _blankState.next(loadingText);
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final binName = config.c.outputBin;
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final resourcePath = 'native/output/' + config.arch + '/' + binName;
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final bundle = DefaultAssetBundle.of(context);
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final loading = process.deployBinary(bundle, resourcePath, binName);
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SyncingState _syncingState = await _loadingState.next(loading, '');
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final syncing = process
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.runBinary(binName, input: inputStreamController.stream, shouldExit: _isExiting)
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.asBroadcastStream();
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HookedState _syncedNextState = await _syncingState.next(inputStreamController.sink, syncing);
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var exited = false;
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if (_syncedNextState is SyncedState) {
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SyncedState _syncedState = _syncedNextState;
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await _syncedState.next();
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} else {
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ExitingState _exitingState = _syncedNextState;
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await _exitingState.wait();
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exited = true;
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}
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var validState = true;
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while (validState && !exited) {
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await _getState().use
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(
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(s) => validState = false,
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(s) => validState = false,
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(s) => validState = false,
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(s) => s.next(),
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(s) => s.next(),
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(s) async {
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await s.wait();
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log.finer('exit state wait done');
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exited = true;
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}
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);
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}
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log.finer('state machine finished');
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if (exited) {
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log.finer('popping navigator');
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// SystemNavigator.pop();
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exit(0);
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} else {
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log.severe('Reached invalid state!');
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exit(1);
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}
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}
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@override
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void initState() {
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super.initState();
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log.fine("CyberWOW_PageState initState");
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WidgetsBinding.instance.addObserver(this);
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final BlankState _blankState = BlankState(_setState, _getNotification, _isExiting);
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_state = _blankState;
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buildStateMachine(_blankState);
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}
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Future<bool> _exitApp(BuildContext context) async {
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log.info("CyberWOW_PageState _exitApp");
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WidgetsBinding.instance.removeObserver(this);
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_exiting = true;
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inputStreamController.sink.add('exit');
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await Future.delayed(const Duration(seconds: 5), () => null);
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// the process controller should call exit(0) for us
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log.warning('Daemon took too long to shut down!');
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exit(1);
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}
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@override
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Widget build(BuildContext context) {
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return WillPopScope
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(
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onWillPop: () => _exitApp(context),
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child: _state.use
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(
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(s) => widget.buildBlank(context, s),
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(s) => widget.buildLoading(context, s),
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(s) => widget.buildSyncing(context, s),
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(s) => widget.buildSynced(context, s),
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(s) => widget.buildReSyncing(context, s),
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(s) => widget.buildExiting(context, s),
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),
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);
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}
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}
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