import 'dart:async'; import 'package:famedlysdk/famedlysdk.dart'; import 'package:fluffychat/utils/app_route.dart'; import 'package:fluffychat/views/chat_encryption_settings.dart'; import 'package:flutter/material.dart'; import 'matrix.dart'; class EncryptionButton extends StatefulWidget { final Room room; const EncryptionButton(this.room, {Key key}) : super(key: key); @override _EncryptionButtonState createState() => _EncryptionButtonState(); } class _EncryptionButtonState extends State { StreamSubscription _onSyncSub; @override void dispose() { _onSyncSub?.cancel(); super.dispose(); } @override Widget build(BuildContext context) { _onSyncSub ??= Matrix.of(context) .client .onSync .stream .listen((s) => setState(() => null)); return FutureBuilder>( future: widget.room.getUserDeviceKeys(), builder: (BuildContext context, snapshot) { Color color; if (widget.room.encrypted && snapshot.hasData) { final List deviceKeysList = snapshot.data; color = Colors.orange; if (deviceKeysList.indexWhere((DeviceKeys deviceKeys) => deviceKeys.verified == false && deviceKeys.blocked == false) == -1) { color = Colors.black.withGreen(220).withOpacity(0.75); } } else if (!widget.room.encrypted && widget.room.joinRules != JoinRules.public) { color = null; } return IconButton( icon: Icon(widget.room.encrypted ? Icons.lock : Icons.lock_open, size: 20, color: color), onPressed: () => Navigator.of(context).push( AppRoute.defaultRoute( context, ChatEncryptionSettingsView(widget.room.id), ), ), ); }); } }