import 'package:flutter/cupertino.dart'; import 'package:flutter/material.dart'; import 'package:freezer/api/deezer.dart'; import 'package:freezer/api/player.dart'; import 'package:flutter_inappwebview/flutter_inappwebview.dart'; import 'package:freezer/translations.i18n.dart'; import '../settings.dart'; import '../api/definitions.dart'; import 'home_screen.dart'; class LoginWidget extends StatefulWidget { Function callback; LoginWidget({this.callback, Key key}): super(key: key); @override _LoginWidgetState createState() => _LoginWidgetState(); } class _LoginWidgetState extends State { String _arl; String _error; //Initialize deezer etc Future _init() async { deezerAPI.arl = settings.arl; await playerHelper.start(); //Pre-cache homepage if (!await HomePage().exists()) { await deezerAPI.authorize(); settings.offlineMode = false; HomePage hp = await deezerAPI.homePage(); await hp.save(); } } //Call _init() void _start() async { if (settings.arl != null) { _init().then((_) { if (widget.callback != null) widget.callback(); }); } } @override void didUpdateWidget(LoginWidget oldWidget) { _start(); super.didUpdateWidget(oldWidget); } @override void initState() { _start(); super.initState(); } void errorDialog() { showDialog( context: context, builder: (context) { return AlertDialog( title: Text('Error'.i18n), content: Column( mainAxisSize: MainAxisSize.min, children: [ Text('Error logging in! Please check your token and internet connection and try again.'.i18n), if (_error != null) Text('\n\n$_error') ], ), actions: [ FlatButton( child: Text('Dismiss'.i18n), onPressed: () { Navigator.of(context).pop(); }, ) ], ); } ); } void _update() async { setState(() => {}); //Try logging in try { deezerAPI.arl = settings.arl; bool resp = await deezerAPI.rawAuthorize(onError: (e) => _error = e.toString()); if (resp == false) { //false, not null setState(() => settings.arl = null); errorDialog(); } //On error show dialog and reset to null } catch (e) { _error = e; print('Login error: ' + e); setState(() => settings.arl = null); errorDialog(); } await settings.save(); _start(); } @override Widget build(BuildContext context) { //If arl non null, show loading if (settings.arl != null) return Scaffold( body: Center( child: CircularProgressIndicator(), ), ); if (settings.arl == null) return Scaffold( body: Padding( padding: EdgeInsets.symmetric(horizontal: 8.0), child: ListView( children: [ Container(height: 16.0,), Text( 'Welcome to'.i18n, textAlign: TextAlign.center, style: TextStyle( fontSize: 16.0 ), ), FreezerTitle(), Container(height: 8.0,), Text( "Please login using your Deezer account.".i18n, textAlign: TextAlign.center, style: TextStyle( fontSize: 16.0 ), ), Container(height: 16.0,), Padding( padding: EdgeInsets.symmetric(horizontal: 32.0), child: OutlineButton( child: Text('Login using browser'.i18n), onPressed: () { Navigator.of(context).push( MaterialPageRoute(builder: (context) => LoginBrowser(_update)) ); }, ), ), Padding( padding: EdgeInsets.symmetric(horizontal: 32.0), child: OutlineButton( child: Text('Login using token'.i18n), onPressed: () { showDialog( context: context, builder: (context) { return AlertDialog( title: Text('Enter ARL'.i18n), content: Container( child: TextField( onChanged: (String s) => _arl = s, decoration: InputDecoration( labelText: 'Token (ARL)'.i18n ), ), ), actions: [ FlatButton( child: Text('Save'.i18n), onPressed: () { settings.arl = _arl.trim(); Navigator.of(context).pop(); _update(); }, ) ], ); } ); }, ), ), Container(height: 16.0,), Text( "If you don't have account, you can register on deezer.com for free.".i18n, textAlign: TextAlign.center, style: TextStyle( fontSize: 16.0 ), ), Padding( padding: EdgeInsets.symmetric(horizontal: 32.0), child: OutlineButton( child: Text('Open in browser'.i18n), onPressed: () { InAppBrowser.openWithSystemBrowser(url: 'https://deezer.com/register'); }, ), ), Container(height: 8.0,), Divider(), Container(height: 8.0,), Text( "By using this app, you don't agree with the Deezer ToS".i18n, textAlign: TextAlign.center, style: TextStyle( fontSize: 16.0 ), ) ], ), ), ); return null; } } class LoginBrowser extends StatelessWidget { Function updateParent; LoginBrowser(this.updateParent); @override Widget build(BuildContext context) { return Column( children: [ Expanded( child: Container( child: InAppWebView( initialUrl: 'https://deezer.com/login', onLoadStart: (InAppWebViewController controller, String url) async { //Offers URL if (!url.contains('/login') && !url.contains('/register')) { controller.evaluateJavascript(source: 'window.location.href = "/open_app"'); } //Parse arl from url if (url.startsWith('intent://deezer.page.link')) { try { //Parse url Uri uri = Uri.parse(url); //Actual url is in `link` query parameter Uri linkUri = Uri.parse(uri.queryParameters['link']); String arl = linkUri.queryParameters['arl']; if (arl != null) { settings.arl = arl; Navigator.of(context).pop(); updateParent(); } } catch (e) {} } }, ), ), ), ], ); } }