fluffychat/lib/components/encryption_button.dart
2020-11-08 12:57:52 +01:00

101 lines
3.3 KiB
Dart

import 'dart:async';
import 'package:bot_toast/bot_toast.dart';
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 'package:flutter_gen/gen_l10n/l10n.dart';
import 'dialogs/simple_dialogs.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;
void _enableEncryptionAction() async {
if (widget.room.encrypted) {
BotToast.showText(text: L10n.of(context).warningEncryptionInBeta);
await Navigator.of(context).push(
AppRoute.defaultRoute(
context,
ChatEncryptionSettingsView(widget.room.id),
),
);
return;
}
if (!widget.room.client.encryptionEnabled) {
BotToast.showText(text: L10n.of(context).needPantalaimonWarning);
return;
}
if (await SimpleDialogs(context).askConfirmation(
titleText: L10n.of(context).enableEncryptionWarning,
contentText: widget.room.client.encryptionEnabled
? L10n.of(context).warningEncryptionInBeta
: L10n.of(context).needPantalaimonWarning,
confirmText: L10n.of(context).yes,
) ==
true) {
await SimpleDialogs(context).tryRequestWithLoadingDialog(
widget.room.enableEncryption(),
);
}
}
@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<User>>(
future:
widget.room.encrypted ? widget.room.requestParticipants() : null,
builder: (BuildContext context, snapshot) {
Color color;
if (widget.room.encrypted && snapshot.hasData) {
final users = snapshot.data;
users.removeWhere((u) =>
!{Membership.invite, Membership.join}.contains(u.membership) ||
!widget.room.client.userDeviceKeys.containsKey(u.id));
var allUsersValid = true;
var oneUserInvalid = false;
for (final u in users) {
final status = widget.room.client.userDeviceKeys[u.id].verified;
if (status != UserVerifiedStatus.verified) {
allUsersValid = false;
}
if (status == UserVerifiedStatus.unknownDevice) {
oneUserInvalid = true;
}
}
color = oneUserInvalid
? Colors.red
: (allUsersValid ? Colors.green : Colors.orange);
} 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: _enableEncryptionAction,
);
});
}
}