import 'package:flutter/material.dart'; import 'package:flutter_gen/gen_l10n/l10n.dart'; import 'package:matrix/matrix.dart'; import 'package:url_launcher/url_launcher_string.dart'; import 'package:vrouter/vrouter.dart'; import 'package:fluffychat/config/app_config.dart'; import 'package:fluffychat/pages/chat_encryption_settings/chat_encryption_settings.dart'; class ChatEncryptionSettingsView extends StatelessWidget { final ChatEncryptionSettingsController controller; const ChatEncryptionSettingsView(this.controller, {Key? key}) : super(key: key); @override Widget build(BuildContext context) { final room = controller.room; return StreamBuilder( 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: () => launchUrlString(AppConfig.encryptionTutorial), child: Text(L10n.of(context)!.help), ), ], ), 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>( future: room.getUserDeviceKeys(), builder: (BuildContext context, snapshot) { if (snapshot.hasError) { return Center( child: Text( '${L10n.of(context)!.oopsSomethingWentWrong}: ${snapshot.error}'), ); } if (!snapshot.hasData) { return const Center( child: CircularProgressIndicator.adaptive( strokeWidth: 2)); } final deviceKeys = snapshot.data!; return ListView.builder( shrinkWrap: true, physics: const NeverScrollableScrollPhysics(), itemCount: deviceKeys.length, itemBuilder: (BuildContext context, int i) => SwitchListTile( value: !deviceKeys[i].blocked, activeColor: deviceKeys[i].verified ? Colors.green : Colors.orange, onChanged: (_) => controller .toggleDeviceKey(deviceKeys[i]), title: Row( children: [ Expanded( child: Text( deviceKeys[i].deviceId ?? L10n.of(context)!.unknownDevice, ), ), Padding( padding: const EdgeInsets.symmetric( vertical: 4.0), child: Chip( label: Text( deviceKeys[i].userId, style: const TextStyle( fontSize: 12, fontStyle: FontStyle.italic, ), ), ), ), ], ), subtitle: Text( deviceKeys[i] .ed25519Key ?.replaceAllMapped( RegExp(r'.{4}'), (s) => '${s.group(0)} ') ?? L10n.of(context)! .unknownEncryptionAlgorithm, style: const TextStyle( fontFamily: 'monospace', ), ), ), ); }), ), ] else Padding( padding: const EdgeInsets.all(16.0), child: Center( child: Text( L10n.of(context)!.encryptionNotEnabled, style: const TextStyle( fontStyle: FontStyle.italic, ), ), ), ), ], ), )); } }