FurryChat/lib/components/encryption_button.dart

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2020-02-22 08:03:44 +00:00
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<EncryptionButton> {
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<List<DeviceKeys>>(
future: widget.room.getUserDeviceKeys(),
builder: (BuildContext context, snapshot) {
Color color;
if (widget.room.encrypted && snapshot.hasData) {
final List<DeviceKeys> 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),
),
),
);
});
}
}