fluffychat/lib/pages/chat/encryption_button.dart

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import 'dart:async';
import 'package:flutter/material.dart';
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import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
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import 'package:future_loading_dialog/future_loading_dialog.dart';
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import 'package:matrix/matrix.dart';
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import 'package:vrouter/vrouter.dart';
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import '../../widgets/matrix.dart';
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class EncryptionButton extends StatefulWidget {
final Room room;
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const EncryptionButton(this.room, {Key? key}) : super(key: key);
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@override
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EncryptionButtonState createState() => EncryptionButtonState();
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}
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class EncryptionButtonState extends State<EncryptionButton> {
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StreamSubscription? _onSyncSub;
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void _enableEncryptionAction() async {
if (widget.room.encrypted) {
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VRouter.of(context).toSegments(['rooms', widget.room.id, 'encryption']);
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return;
}
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if (widget.room.joinRules == JoinRules.public) {
await showOkAlertDialog(
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useRootNavigator: false,
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context: context,
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okLabel: L10n.of(context)!.ok,
message: L10n.of(context)!.noEncryptionForPublicRooms,
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);
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return;
}
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if (await showOkCancelAlertDialog(
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useRootNavigator: false,
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context: context,
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title: L10n.of(context)!.enableEncryption,
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message: widget.room.client.encryptionEnabled
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? L10n.of(context)!.enableEncryptionWarning
: L10n.of(context)!.needPantalaimonWarning,
okLabel: L10n.of(context)!.yes,
cancelLabel: L10n.of(context)!.cancel,
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) ==
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OkCancelResult.ok) {
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await showFutureLoadingDialog(
context: context,
future: () => widget.room.enableEncryption(),
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);
// we want to enable the lock icon
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setState(() {});
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}
}
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@override
void dispose() {
_onSyncSub?.cancel();
super.dispose();
}
@override
Widget build(BuildContext context) {
if (widget.room.encrypted) {
_onSyncSub ??= Matrix.of(context)
.client
.onSync
.stream
.where((s) => s.deviceLists != null)
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.listen((s) => setState(() {}));
}
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return FutureBuilder<EncryptionHealthState>(
future: widget.room.calcEncryptionHealthState(),
builder: (BuildContext context, snapshot) => IconButton(
tooltip: widget.room.encrypted
? L10n.of(context)!.encrypted
: L10n.of(context)!.encryptionNotEnabled,
icon: Icon(
widget.room.encrypted
? Icons.lock_outlined
: Icons.lock_open_outlined,
size: 20,
color: widget.room.joinRules != JoinRules.public &&
!widget.room.encrypted
? Colors.red
: snapshot.data == EncryptionHealthState.unverifiedDevices
? Colors.orange
: null),
onPressed: _enableEncryptionAction,
));
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}
}