420 lines
14 KiB
Dart
420 lines
14 KiB
Dart
import 'dart:convert';
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import 'dart:ui';
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import 'package:flutter/cupertino.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:adaptive_dialog/adaptive_dialog.dart';
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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/encryption.dart';
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import 'package:matrix/matrix.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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import 'package:fluffychat/widgets/avatar.dart';
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import '../utils/beautify_string_extension.dart';
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import '../widgets/adaptive_flat_button.dart';
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class KeyVerificationDialog extends StatefulWidget {
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Future<void> show(BuildContext context) => PlatformInfos.isCupertinoStyle
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? showCupertinoDialog(
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context: context,
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barrierDismissible: true,
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builder: (context) => this,
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useRootNavigator: false,
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)
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: showDialog(
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context: context,
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barrierDismissible: true,
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builder: (context) => this,
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useRootNavigator: false,
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);
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final KeyVerification request;
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const KeyVerificationDialog({
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Key key,
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this.request,
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}) : super(key: key);
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@override
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_KeyVerificationPageState createState() => _KeyVerificationPageState();
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}
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class _KeyVerificationPageState extends State<KeyVerificationDialog> {
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void Function() originalOnUpdate;
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List<dynamic> sasEmoji;
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@override
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void initState() {
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originalOnUpdate = widget.request.onUpdate;
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widget.request.onUpdate = () {
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if (originalOnUpdate != null) {
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originalOnUpdate();
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}
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setState(() => null);
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};
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widget.request.client.getProfileFromUserId(widget.request.userId).then((p) {
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profile = p;
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setState(() => null);
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});
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rootBundle.loadString('assets/sas-emoji.json').then((e) {
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sasEmoji = json.decode(e);
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setState(() => null);
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});
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super.initState();
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}
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@override
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void dispose() {
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widget.request.onUpdate =
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originalOnUpdate; // don't want to get updates anymore
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if (![KeyVerificationState.error, KeyVerificationState.done]
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.contains(widget.request.state)) {
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widget.request.cancel('m.user');
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}
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super.dispose();
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}
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Profile profile;
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Future<void> checkInput(String input) async {
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if (input == null || input.isEmpty) {
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return;
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}
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final valid = await showFutureLoadingDialog(
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context: context,
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future: () async {
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// make sure the loading spinner shows before we test the keys
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await Future.delayed(const Duration(milliseconds: 100));
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var valid = false;
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try {
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await widget.request.openSSSS(keyOrPassphrase: input);
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valid = true;
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} catch (_) {
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valid = false;
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}
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return valid;
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});
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if (valid.error != null) {
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await showOkAlertDialog(
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useRootNavigator: false,
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context: context,
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message: L10n.of(context).incorrectPassphraseOrKey,
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);
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}
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}
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@override
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Widget build(BuildContext context) {
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User user;
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final directChatId =
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widget.request.client.getDirectChatFromUserId(widget.request.userId);
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if (directChatId != null) {
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user = widget.request.client
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.getRoomById(directChatId)
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?.getUserByMXIDSync(widget.request.userId);
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}
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final displayName =
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user?.calcDisplayname() ?? widget.request.userId.localpart;
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var title = Text(L10n.of(context).verifyTitle);
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Widget body;
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final buttons = <Widget>[];
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switch (widget.request.state) {
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case KeyVerificationState.askSSSS:
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// prompt the user for their ssss passphrase / key
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final textEditingController = TextEditingController();
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String input;
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body = Container(
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margin: const EdgeInsets.only(left: 8.0, right: 8.0),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Text(L10n.of(context).askSSSSSign,
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style: const TextStyle(fontSize: 20)),
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Container(height: 10),
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TextField(
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controller: textEditingController,
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autofocus: false,
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autocorrect: false,
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onSubmitted: (s) {
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input = s;
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checkInput(input);
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},
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minLines: 1,
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maxLines: 1,
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obscureText: true,
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decoration: InputDecoration(
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hintText: L10n.of(context).passphraseOrKey,
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prefixStyle: TextStyle(color: Theme.of(context).primaryColor),
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suffixStyle: TextStyle(color: Theme.of(context).primaryColor),
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border: const OutlineInputBorder(),
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),
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),
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],
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),
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);
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).submit,
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onPressed: () => checkInput(textEditingController.text),
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));
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).skip,
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onPressed: () => widget.request.openSSSS(skip: true),
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));
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break;
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case KeyVerificationState.askAccept:
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title = Text(L10n.of(context).newVerificationRequest);
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body = Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Row(children: [
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if (!PlatformInfos.isCupertinoStyle)
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Avatar(user?.avatarUrl, displayName),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: PlatformInfos.isCupertinoStyle
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? CrossAxisAlignment.center
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: CrossAxisAlignment.start,
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children: [
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Text(
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displayName,
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style: const TextStyle(fontSize: 16),
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),
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Text(
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'${widget.request.userId} - ${widget.request.deviceId}',
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style: const TextStyle(
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fontWeight: FontWeight.w300,
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fontSize: 14,
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),
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),
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],
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),
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),
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]),
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const SizedBox(height: 16),
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Image.asset('assets/verification.png', fit: BoxFit.contain),
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const SizedBox(height: 16),
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Text(
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L10n.of(context).askVerificationRequest(displayName),
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)
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],
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);
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).reject,
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textColor: Colors.red,
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onPressed: () => widget.request
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.rejectVerification()
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.then((_) => Navigator.of(context, rootNavigator: false).pop()),
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));
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).accept,
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onPressed: () => widget.request.acceptVerification(),
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));
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break;
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case KeyVerificationState.waitingAccept:
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body = Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Image.asset('assets/verification.png', fit: BoxFit.contain),
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const SizedBox(height: 16),
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const CircularProgressIndicator.adaptive(strokeWidth: 2),
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const SizedBox(height: 16),
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Text(
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L10n.of(context).waitingPartnerAcceptRequest,
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textAlign: TextAlign.center,
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),
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],
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);
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final key = widget.request.client.userDeviceKeys[widget.request.userId]
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.deviceKeys[widget.request.deviceId];
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if (key != null) {
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).verifyManual,
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onPressed: () async {
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final result = await showOkCancelAlertDialog(
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useRootNavigator: false,
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context: context,
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title: L10n.of(context).verifyManual,
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message: key.ed25519Key.beautified,
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);
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if (result == OkCancelResult.ok) {
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await key.setVerified(true);
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}
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await widget.request.cancel();
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Navigator.of(context, rootNavigator: false).pop();
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},
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));
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}
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break;
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case KeyVerificationState.askSas:
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TextSpan compareWidget;
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// maybe add a button to switch between the two and only determine default
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// view for if "emoji" is a present sasType or not?
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String compareText;
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if (widget.request.sasTypes.contains('emoji')) {
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compareText = L10n.of(context).compareEmojiMatch;
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compareWidget = TextSpan(
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children: widget.request.sasEmojis
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.map((e) => WidgetSpan(child: _Emoji(e, sasEmoji)))
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.toList(),
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);
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} else {
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compareText = L10n.of(context).compareNumbersMatch;
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final numbers = widget.request.sasNumbers;
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final numbstr = '${numbers[0]}-${numbers[1]}-${numbers[2]}';
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compareWidget =
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TextSpan(text: numbstr, style: const TextStyle(fontSize: 40));
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}
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body = Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Center(
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child: Text(
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compareText,
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style: const TextStyle(fontSize: 16),
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textAlign: TextAlign.center,
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),
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),
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const SizedBox(height: 10),
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Text.rich(
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compareWidget,
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textAlign: TextAlign.center,
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),
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],
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);
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buttons.add(AdaptiveFlatButton(
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textColor: Colors.red,
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label: L10n.of(context).theyDontMatch,
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onPressed: () => widget.request.rejectSas(),
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));
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).theyMatch,
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onPressed: () => widget.request.acceptSas(),
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));
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break;
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case KeyVerificationState.waitingSas:
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final acceptText = widget.request.sasTypes.contains('emoji')
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? L10n.of(context).waitingPartnerEmoji
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: L10n.of(context).waitingPartnerNumbers;
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body = Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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const CircularProgressIndicator.adaptive(strokeWidth: 2),
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const SizedBox(height: 10),
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Text(
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acceptText,
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textAlign: TextAlign.center,
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),
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],
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);
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break;
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case KeyVerificationState.done:
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body = Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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const Icon(Icons.check_circle_outlined,
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color: Colors.green, size: 200.0),
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const SizedBox(height: 10),
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Text(
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L10n.of(context).verifySuccess,
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textAlign: TextAlign.center,
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),
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],
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);
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).close,
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onPressed: () => Navigator.of(context, rootNavigator: false).pop(),
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));
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break;
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case KeyVerificationState.error:
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body = Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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const Icon(Icons.cancel, color: Colors.red, size: 200.0),
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const SizedBox(height: 10),
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Text(
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'Error ${widget.request.canceledCode}: ${widget.request.canceledReason}',
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textAlign: TextAlign.center,
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),
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],
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);
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buttons.add(AdaptiveFlatButton(
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label: L10n.of(context).close,
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onPressed: () => Navigator.of(context, rootNavigator: false).pop(),
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));
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break;
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}
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body ??= Text('ERROR: Unknown state ' + widget.request.state.toString());
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final content = SingleChildScrollView(
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scrollDirection: Axis.vertical,
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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const SizedBox(height: 16),
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body,
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],
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),
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);
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if (PlatformInfos.isCupertinoStyle) {
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return CupertinoAlertDialog(
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title: title,
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content: content,
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actions: buttons,
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);
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}
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return AlertDialog(
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title: title,
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content: content,
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actions: buttons,
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);
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}
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}
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class _Emoji extends StatelessWidget {
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final KeyVerificationEmoji emoji;
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final List<dynamic> sasEmoji;
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const _Emoji(this.emoji, this.sasEmoji);
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String getLocalizedName() {
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if (sasEmoji == null) {
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// asset is still being loaded
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return emoji.name;
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}
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final translations = Map<String, String>.from(
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sasEmoji[emoji.number]['translated_descriptions']);
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translations['en'] = emoji.name;
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for (final locale in window.locales) {
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final wantLocaleParts = locale.toString().split('_');
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final wantLanguage = wantLocaleParts.removeAt(0);
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for (final haveLocale in translations.keys) {
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final haveLocaleParts = haveLocale.split('_');
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final haveLanguage = haveLocaleParts.removeAt(0);
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if (haveLanguage == wantLanguage &&
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(Set.from(haveLocaleParts)..removeAll(wantLocaleParts)).isEmpty &&
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(translations[haveLocale]?.isNotEmpty ?? false)) {
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return translations[haveLocale];
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}
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}
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}
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return emoji.name;
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}
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@override
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Widget build(BuildContext context) {
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: <Widget>[
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Text(emoji.emoji, style: const TextStyle(fontSize: 50)),
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Text(getLocalizedName()),
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const SizedBox(height: 10, width: 5),
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],
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);
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}
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}
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