import 'dart:math'; import 'package:famedlysdk/famedlysdk.dart'; import 'package:fluffychat/components/matrix.dart'; import 'package:fluffychat/i18n/i18n.dart'; import 'package:fluffychat/utils/app_route.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'chat_list.dart'; class Login extends StatefulWidget { @override _LoginState createState() => _LoginState(); } class _LoginState extends State { final TextEditingController usernameController = TextEditingController(); final TextEditingController passwordController = TextEditingController(); final TextEditingController serverController = TextEditingController(text: "tchncs.de"); String usernameError; String passwordError; String serverError; bool loading = false; bool showPassword = false; void login(BuildContext context) async { MatrixState matrix = Matrix.of(context); if (usernameController.text.isEmpty) { setState(() => usernameError = I18n.of(context).pleaseEnterYourUsername); } else { setState(() => usernameError = null); } if (passwordController.text.isEmpty) { setState(() => passwordError = I18n.of(context).pleaseEnterYourPassword); } else { setState(() => passwordError = null); } serverError = null; if (usernameController.text.isEmpty || passwordController.text.isEmpty) { return; } String homeserver = serverController.text; if (homeserver.isEmpty) homeserver = "tchncs.de"; if (!homeserver.startsWith("https://")) { homeserver = "https://" + homeserver; } try { setState(() => loading = true); if (!await matrix.client.checkServer(homeserver)) { setState( () => serverError = I18n.of(context).homeserverIsNotCompatible); return setState(() => loading = false); } } catch (exception) { setState(() => serverError = I18n.of(context).connectionAttemptFailed); return setState(() => loading = false); } try { await matrix.client.login( usernameController.text, passwordController.text, initialDeviceDisplayName: matrix.widget.clientName); } on MatrixException catch (exception) { setState(() => passwordError = exception.errorMessage); return setState(() => loading = false); } catch (exception) { setState(() => passwordError = exception.toString()); return setState(() => loading = false); } if (!kIsWeb) { try { await matrix.setupFirebase(); } catch (exception) { await matrix.client.logout(); matrix.clean(); setState(() => passwordError = exception.toString()); return setState(() => loading = false); } } setState(() => loading = false); await Navigator.of(context).pushAndRemoveUntil( AppRoute.defaultRoute(context, ChatListView()), (r) => false); } @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( leading: loading ? Container() : null, title: TextField( autocorrect: false, controller: serverController, decoration: InputDecoration( icon: Icon(Icons.domain), hintText: "matrix-client.matrix.org", errorText: serverError, errorMaxLines: 1, prefixText: "https://", labelText: serverError == null ? "Homeserver" : serverError), ), ), body: Builder(builder: (context) { return ListView( padding: EdgeInsets.symmetric( horizontal: max((MediaQuery.of(context).size.width - 600) / 2, 0)), children: [ Container( height: 150, color: Theme.of(context).secondaryHeaderColor, child: Center( child: Icon( Icons.vpn_key, size: 60, ), ), ), ListTile( leading: CircleAvatar( child: Icon(Icons.account_box, color: Theme.of(context).primaryColor), ), title: TextField( readOnly: loading, autocorrect: false, controller: usernameController, decoration: InputDecoration( hintText: "@${I18n.of(context).username.toLowerCase()}:domain", errorText: usernameError, labelText: I18n.of(context).username), ), ), ListTile( leading: CircleAvatar( backgroundColor: Theme.of(context).brightness == Brightness.dark ? Color(0xff121212) : Colors.white, child: Icon(Icons.lock, color: Theme.of(context).primaryColor), ), title: TextField( readOnly: loading, autocorrect: false, controller: passwordController, obscureText: !showPassword, onSubmitted: (t) => login(context), decoration: InputDecoration( hintText: "****", errorText: passwordError, suffixIcon: IconButton( icon: Icon(showPassword ? Icons.visibility_off : Icons.visibility), onPressed: () => setState(() => showPassword = !showPassword), ), labelText: I18n.of(context).password), ), ), SizedBox(height: 20), Container( height: 50, padding: EdgeInsets.symmetric(horizontal: 12), child: RaisedButton( elevation: 7, color: Theme.of(context).primaryColor, shape: RoundedRectangleBorder( borderRadius: BorderRadius.circular(6), ), child: loading ? CircularProgressIndicator() : Text( I18n.of(context).login.toUpperCase(), style: TextStyle(color: Colors.white, fontSize: 16), ), onPressed: () => loading ? null : login(context), ), ), ], ); }), ); } }