import 'dart:convert'; import 'package:famedlysdk/famedlysdk.dart'; import 'package:fluffychat/utils/sqflite_store.dart'; import 'package:flutter/foundation.dart'; import 'package:flutter/material.dart'; import 'package:localstorage/localstorage.dart'; import 'package:toast/toast.dart'; class Matrix extends StatefulWidget { final Widget child; final String clientName; final Client client; Matrix({this.child, this.clientName, this.client, Key key}) : super(key: key); @override MatrixState createState() => MatrixState(); /// Returns the (nearest) Client instance of your application. static MatrixState of(BuildContext context) { MatrixState newState = (context.dependOnInheritedWidgetOfExactType<_InheritedMatrix>()).data; newState.context = context; return newState; } } class MatrixState extends State { Client client; BuildContext context; /// Used to load the old account if there is no store available. void loadAccount() async { final LocalStorage storage = LocalStorage('LocalStorage'); await storage.ready; final credentialsStr = storage.getItem(widget.clientName); if (credentialsStr == null || credentialsStr.isEmpty) { client.connection.onLoginStateChanged.add(LoginState.loggedOut); return; } print("[Matrix] Restoring account credentials"); final Map credentials = json.decode(credentialsStr); client.connection.connect( newDeviceID: credentials["deviceID"], newDeviceName: credentials["deviceName"], newHomeserver: credentials["homeserver"], newLazyLoadMembers: credentials["lazyLoadMembers"], //newMatrixVersions: credentials["matrixVersions"], // FIXME: wrong List type newToken: credentials["token"], newUserID: credentials["userID"], ); } /// Used to save the current account persistently if there is no store available. Future saveAccount() async { if (!kIsWeb) return; print("[Matrix] Save account credentials in crypted preferences"); final Map credentials = { "deviceID": client.deviceID, "deviceName": client.deviceName, "homeserver": client.homeserver, "lazyLoadMembers": client.lazyLoadMembers, "matrixVersions": client.matrixVersions, "token": client.accessToken, "userID": client.userID, }; final LocalStorage storage = LocalStorage('LocalStorage'); await storage.ready; await storage.setItem(widget.clientName, json.encode(credentials)); return; } void clean() async { if (!kIsWeb) return; print("Clear session..."); final LocalStorage storage = LocalStorage('LocalStorage'); await storage.ready; storage.deleteItem(widget.clientName); } BuildContext _loadingDialogContext; Future tryRequestWithLoadingDialog(Future request) async { showLoadingDialog(context); final dynamic = await tryRequestWithErrorToast(request); hideLoadingDialog(); return dynamic; } Future tryRequestWithErrorToast(Future request) async { try { return await request; } catch (exception) { Toast.show( exception.toString(), context, duration: Toast.LENGTH_LONG, ); return false; } } showLoadingDialog(BuildContext context) { _loadingDialogContext = context; showDialog( context: _loadingDialogContext, barrierDismissible: false, builder: (BuildContext context) => AlertDialog( content: Row( children: [ CircularProgressIndicator(), SizedBox(width: 16), Text("Loading... Please wait"), ], ), ), ); } hideLoadingDialog() => Navigator.of(_loadingDialogContext)?.pop(); @override void initState() { if (widget.client == null) { client = Client(widget.clientName, debug: false); if (!kIsWeb) client.store = Store(client); else loadAccount(); } else { client = widget.client; } super.initState(); } @override Widget build(BuildContext context) { return _InheritedMatrix( data: this, child: widget.child, ); } } class _InheritedMatrix extends InheritedWidget { final MatrixState data; _InheritedMatrix({Key key, this.data, Widget child}) : super(key: key, child: child); @override bool updateShouldNotify(_InheritedMatrix old) { bool update = old.data.client.accessToken != this.data.client.accessToken || old.data.client.userID != this.data.client.userID || old.data.client.matrixVersions != this.data.client.matrixVersions || old.data.client.lazyLoadMembers != this.data.client.lazyLoadMembers || old.data.client.deviceID != this.data.client.deviceID || old.data.client.deviceName != this.data.client.deviceName || old.data.client.homeserver != this.data.client.homeserver; return update; } }