fluffychat/lib/pages/chat_encryption_settings/chat_encryption_settings_view.dart

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import 'package:flutter/material.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:matrix/matrix.dart';
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import 'package:url_launcher/url_launcher.dart';
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import 'package:vrouter/vrouter.dart';
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import 'package:fluffychat/config/app_config.dart';
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import 'package:fluffychat/pages/chat_encryption_settings/chat_encryption_settings.dart';
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class ChatEncryptionSettingsView extends StatelessWidget {
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final ChatEncryptionSettingsController controller;
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const ChatEncryptionSettingsView(this.controller, {Key? key})
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: super(key: key);
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@override
Widget build(BuildContext context) {
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final room = controller.room;
return StreamBuilder<Object>(
stream: room.client.onSync.stream.where(
(s) => s.rooms?.join?[room.id] != null || s.deviceLists != null),
builder: (context, _) => Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Icon(Icons.close_outlined),
onPressed: () => VRouter.of(context)
.toSegments(['rooms', controller.roomId!]),
),
title: Text(L10n.of(context)!.endToEndEncryption),
actions: [
TextButton(
onPressed: () => launch(AppConfig.encryptionTutorial),
child: Text(L10n.of(context)!.help),
),
],
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),
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body: ListView(
children: [
SwitchListTile(
secondary: CircleAvatar(
foregroundColor:
Theme.of(context).colorScheme.onPrimaryContainer,
backgroundColor:
Theme.of(context).colorScheme.primaryContainer,
child: const Icon(Icons.lock_outlined)),
title: Text(L10n.of(context)!.encryptThisChat),
value: room.encrypted,
onChanged: controller.enableEncryption,
),
Center(
child: Image.asset(
'assets/encryption.png',
width: 212,
),
),
const Divider(height: 1),
if (room.isDirectChat)
Padding(
padding: const EdgeInsets.all(16.0),
child: Center(
child: ElevatedButton.icon(
onPressed: controller.startVerification,
icon: const Icon(Icons.verified_outlined),
label: Text(L10n.of(context)!.verifyStart),
),
),
),
if (room.encrypted) ...[
const Divider(height: 1),
ListTile(
title: Text(
L10n.of(context)!.deviceKeys,
style: const TextStyle(
fontWeight: FontWeight.bold,
),
),
),
StreamBuilder(
stream: room.onUpdate.stream,
builder: (context, snapshot) =>
FutureBuilder<List<DeviceKeys>>(
future: room.getUserDeviceKeys(),
builder: (BuildContext context, snapshot) {
if (snapshot.hasError) {
return Center(
child: Text(
'${L10n.of(context)!.oopsSomethingWentWrong}: ${snapshot.error}'),
);
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}
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if (!snapshot.hasData) {
return const Center(
child: CircularProgressIndicator.adaptive(
strokeWidth: 2));
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}
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final deviceKeys = snapshot.data!;
return ListView.builder(
shrinkWrap: true,
physics: const NeverScrollableScrollPhysics(),
itemCount: deviceKeys.length,
itemBuilder: (BuildContext context, int i) =>
SwitchListTile(
value: !deviceKeys[i].blocked,
activeColor: deviceKeys[i].verified
? Colors.green
: Colors.orange,
onChanged: (_) => controller
.toggleDeviceKey(deviceKeys[i]),
title: Row(
children: [
Expanded(
child: Text(
deviceKeys[i].deviceId ??
L10n.of(context)!.unknownDevice,
),
),
Padding(
padding: const EdgeInsets.symmetric(
vertical: 4.0),
child: Chip(
label: Text(
deviceKeys[i].userId,
style: const TextStyle(
fontSize: 12,
fontStyle: FontStyle.italic,
),
),
),
),
],
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),
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subtitle: Text(
deviceKeys[i]
.ed25519Key
?.replaceAllMapped(
RegExp(r'.{4}'),
(s) => '${s.group(0)} ') ??
L10n.of(context)!
.unknownEncryptionAlgorithm,
style:
const TextStyle(fontFamily: 'Mono'),
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),
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),
);
}),
),
] else
Padding(
padding: const EdgeInsets.all(16.0),
child: Center(
child: Text(
L10n.of(context)!.encryptionNotEnabled,
style: const TextStyle(
fontStyle: FontStyle.italic,
),
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),
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),
),
],
),
));
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}
}