FurryChat/lib/components/encryption_button.dart

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import 'dart:async';
import 'package:famedlysdk/famedlysdk.dart';
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import 'package:fluffychat/i18n/i18n.dart';
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import 'package:fluffychat/utils/app_route.dart';
import 'package:fluffychat/views/chat_encryption_settings.dart';
import 'package:flutter/material.dart';
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import 'package:toast/toast.dart';
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import 'dialogs/simple_dialogs.dart';
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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;
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void _enableEncryptionAction() async {
if (widget.room.encrypted) {
Toast.show(I18n.of(context).warningEncryptionInBeta, context,
duration: 5);
await Navigator.of(context).push(
AppRoute.defaultRoute(
context,
ChatEncryptionSettingsView(widget.room.id),
),
);
return;
}
if (!widget.room.client.encryptionEnabled) {
Toast.show(I18n.of(context).needPantalaimonWarning, context, duration: 8);
return;
}
if (await SimpleDialogs(context).askConfirmation(
titleText: I18n.of(context).enableEncryptionWarning,
contentText: widget.room.client.encryptionEnabled
? I18n.of(context).warningEncryptionInBeta
: I18n.of(context).needPantalaimonWarning,
confirmText: I18n.of(context).yes,
) ==
true) {
await Matrix.of(context).tryRequestWithLoadingDialog(
widget.room.enableEncryption(),
);
}
}
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@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),
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onPressed: _enableEncryptionAction,
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);
});
}
}