fluffychat/lib/pages/bootstrap/bootstrap_dialog.dart

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import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
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import 'package:adaptive_dialog/adaptive_dialog.dart';
import 'package:flutter_gen/gen_l10n/l10n.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:future_loading_dialog/future_loading_dialog.dart';
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import 'package:matrix/encryption.dart';
import 'package:matrix/encryption/utils/bootstrap.dart';
import 'package:matrix/matrix.dart';
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import 'package:share_plus/share_plus.dart';
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import 'package:fluffychat/config/themes.dart';
import 'package:fluffychat/utils/platform_infos.dart';
import 'package:fluffychat/widgets/adaptive_flat_button.dart';
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import '../key_verification/key_verification_dialog.dart';
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class BootstrapDialog extends StatefulWidget {
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final bool wipe;
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final Client client;
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const BootstrapDialog({
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Key? key,
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this.wipe = false,
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required this.client,
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}) : super(key: key);
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Future<bool?> show(BuildContext context) => PlatformInfos.isCupertinoStyle
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? showCupertinoDialog(
context: context,
builder: (context) => this,
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barrierDismissible: true,
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useRootNavigator: false,
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)
: showDialog(
context: context,
builder: (context) => this,
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barrierDismissible: true,
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useRootNavigator: false,
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);
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@override
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BootstrapDialogState createState() => BootstrapDialogState();
}
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class BootstrapDialogState extends State<BootstrapDialog> {
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final TextEditingController _recoveryKeyTextEditingController =
TextEditingController();
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late Bootstrap bootstrap;
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String? _recoveryKeyInputError;
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bool _recoveryKeyInputLoading = false;
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String? titleText;
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bool _recoveryKeyStored = false;
bool _recoveryKeyCopied = false;
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bool? _storeInSecureStorage = false;
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bool? _wipe;
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String get _secureStorageKey =>
'ssss_recovery_key_${bootstrap.client.userID}';
bool get _supportsSecureStorage =>
PlatformInfos.isMobile || PlatformInfos.isDesktop;
String _getSecureStorageLocalizedName() {
if (PlatformInfos.isAndroid) {
return L10n.of(context)!.storeInAndroidKeystore;
}
if (PlatformInfos.isIOS || PlatformInfos.isMacOS) {
return L10n.of(context)!.storeInAppleKeyChain;
}
return L10n.of(context)!.storeSecurlyOnThisDevice;
}
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@override
void initState() {
_createBootstrap(widget.wipe);
super.initState();
}
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void _createBootstrap(bool wipe) async {
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_wipe = wipe;
titleText = null;
_recoveryKeyStored = false;
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bootstrap =
widget.client.encryption!.bootstrap(onUpdate: () => setState(() {}));
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final key = await const FlutterSecureStorage().read(key: _secureStorageKey);
if (key == null) return;
_recoveryKeyTextEditingController.text = key;
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}
@override
Widget build(BuildContext context) {
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_wipe ??= widget.wipe;
final buttons = <AdaptiveFlatButton>[];
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Widget body = PlatformInfos.isCupertinoStyle
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? const CupertinoActivityIndicator()
: const LinearProgressIndicator();
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titleText = L10n.of(context)!.loadingPleaseWait;
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if (bootstrap.newSsssKey?.recoveryKey != null &&
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_recoveryKeyStored == false) {
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final key = bootstrap.newSsssKey!.recoveryKey;
titleText = L10n.of(context)!.recoveryKey;
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return Scaffold(
appBar: AppBar(
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centerTitle: true,
leading: IconButton(
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icon: const Icon(Icons.close),
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onPressed: Navigator.of(context).pop,
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),
title: Text(L10n.of(context)!.recoveryKey),
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),
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body: Center(
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child: ConstrainedBox(
constraints:
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const BoxConstraints(maxWidth: FluffyThemes.columnWidth * 1.5),
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child: ListView(
padding: const EdgeInsets.all(16.0),
children: [
ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 8.0),
trailing: Icon(
Icons.info_outlined,
color: Theme.of(context).colorScheme.primary,
),
subtitle: Text(L10n.of(context)!.chatBackupDescription),
),
const Divider(
height: 32,
thickness: 1,
),
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TextField(
minLines: 4,
maxLines: 4,
readOnly: true,
controller: TextEditingController(text: key),
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),
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const SizedBox(height: 16),
if (_supportsSecureStorage)
CheckboxListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 8.0),
value: _storeInSecureStorage,
activeColor: Theme.of(context).colorScheme.primary,
onChanged: (b) {
setState(() {
_storeInSecureStorage = b;
});
},
title: Text(_getSecureStorageLocalizedName()),
subtitle:
Text(L10n.of(context)!.storeInSecureStorageDescription),
),
const SizedBox(height: 16),
CheckboxListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 8.0),
value: _recoveryKeyCopied,
activeColor: Theme.of(context).colorScheme.primary,
onChanged: (b) {
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final box = context.findRenderObject() as RenderBox;
Share.share(
key!,
sharePositionOrigin:
box.localToGlobal(Offset.zero) & box.size,
);
setState(() => _recoveryKeyCopied = true);
},
title: Text(L10n.of(context)!.copyToClipboard),
subtitle: Text(L10n.of(context)!.saveKeyManuallyDescription),
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),
const SizedBox(height: 16),
ElevatedButton.icon(
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icon: const Icon(Icons.check_outlined),
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label: Text(L10n.of(context)!.next),
onPressed:
(_recoveryKeyCopied || _storeInSecureStorage == true)
? () {
if (_storeInSecureStorage == true) {
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const FlutterSecureStorage().write(
key: _secureStorageKey,
value: key,
);
}
setState(() => _recoveryKeyStored = true);
}
: null,
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),
],
),
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),
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),
);
} else {
switch (bootstrap.state) {
case BootstrapState.loading:
break;
case BootstrapState.askWipeSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.wipeSsss(_wipe!),
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);
break;
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case BootstrapState.askBadSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.ignoreBadSecrets(true),
);
break;
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case BootstrapState.askUseExistingSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.useExistingSsss(!_wipe!),
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);
break;
case BootstrapState.askUnlockSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.unlockedSsss(),
);
break;
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case BootstrapState.askNewSsss:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.newSsss(),
);
break;
case BootstrapState.openExistingSsss:
_recoveryKeyStored = true;
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return Scaffold(
appBar: AppBar(
centerTitle: true,
leading: IconButton(
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icon: const Icon(Icons.close),
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onPressed: Navigator.of(context).pop,
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),
title: Text(L10n.of(context)!.unlockOldMessages),
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),
body: Center(
child: ConstrainedBox(
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constraints: const BoxConstraints(
maxWidth: FluffyThemes.columnWidth * 1.5),
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child: ListView(
padding: const EdgeInsets.all(16.0),
children: [
ListTile(
contentPadding:
const EdgeInsets.symmetric(horizontal: 8.0),
trailing: Icon(
Icons.info_outlined,
color: Theme.of(context).colorScheme.primary,
),
subtitle: Text(
L10n.of(context)!.pleaseEnterRecoveryKeyDescription),
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),
const Divider(height: 32),
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TextField(
minLines: 1,
maxLines: 1,
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autocorrect: false,
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readOnly: _recoveryKeyInputLoading,
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autofillHints: _recoveryKeyInputLoading
? null
: [AutofillHints.password],
controller: _recoveryKeyTextEditingController,
decoration: InputDecoration(
hintText: 'Abc123 Def456',
labelText: L10n.of(context)!.recoveryKey,
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errorText: _recoveryKeyInputError,
),
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),
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const SizedBox(height: 16),
ElevatedButton.icon(
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icon: _recoveryKeyInputLoading
? const CircularProgressIndicator.adaptive()
: const Icon(Icons.lock_open_outlined),
label: Text(L10n.of(context)!.unlockOldMessages),
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onPressed: _recoveryKeyInputLoading
? null
: () async {
setState(() {
_recoveryKeyInputError = null;
_recoveryKeyInputLoading = true;
});
try {
final key =
_recoveryKeyTextEditingController.text;
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await bootstrap.newSsssKey!.unlock(
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keyOrPassphrase: key,
);
Logs().d('SSSS unlocked');
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await bootstrap
.client.encryption!.crossSigning
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.selfSign(
keyOrPassphrase: key,
);
Logs().d('Successful elfsigned');
await bootstrap.openExistingSsss();
} catch (e, s) {
Logs().w('Unable to unlock SSSS', e, s);
setState(() => _recoveryKeyInputError =
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L10n.of(context)!.oopsSomethingWentWrong);
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} finally {
setState(
() => _recoveryKeyInputLoading = false);
}
}),
const SizedBox(height: 16),
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Row(children: [
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const Expanded(child: Divider()),
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Padding(
padding: const EdgeInsets.all(12.0),
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child: Text(L10n.of(context)!.or),
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),
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const Expanded(child: Divider()),
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]),
const SizedBox(height: 16),
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ElevatedButton.icon(
icon: const Icon(Icons.cast_connected_outlined),
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label: Text(L10n.of(context)!.transferFromAnotherDevice),
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onPressed: _recoveryKeyInputLoading
? null
: () async {
final req = await showFutureLoadingDialog(
context: context,
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future: () => widget.client
.userDeviceKeys[widget.client.userID!]!
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.startVerification(),
);
if (req.error != null) return;
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await KeyVerificationDialog(request: req.result!)
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.show(context);
Navigator.of(context, rootNavigator: false).pop();
},
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),
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const SizedBox(height: 16),
ElevatedButton.icon(
style: ElevatedButton.styleFrom(
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foregroundColor: Colors.red,
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),
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icon: const Icon(Icons.delete_outlined),
label: Text(L10n.of(context)!.recoveryKeyLost),
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onPressed: _recoveryKeyInputLoading
? null
: () async {
if (OkCancelResult.ok ==
await showOkCancelAlertDialog(
useRootNavigator: false,
context: context,
title: L10n.of(context)!.recoveryKeyLost,
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message: L10n.of(context)!.wipeChatBackup,
okLabel: L10n.of(context)!.ok,
cancelLabel: L10n.of(context)!.cancel,
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isDestructiveAction: true,
)) {
setState(() => _createBootstrap(true));
}
},
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)
],
),
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),
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),
);
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case BootstrapState.askWipeCrossSigning:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.wipeCrossSigning(_wipe!),
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);
break;
case BootstrapState.askSetupCrossSigning:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.askSetupCrossSigning(
setupMasterKey: true,
setupSelfSigningKey: true,
setupUserSigningKey: true,
),
);
break;
case BootstrapState.askWipeOnlineKeyBackup:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.wipeOnlineKeyBackup(_wipe!),
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);
break;
case BootstrapState.askSetupOnlineKeyBackup:
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WidgetsBinding.instance.addPostFrameCallback(
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(_) => bootstrap.askSetupOnlineKeyBackup(true),
);
break;
case BootstrapState.error:
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titleText = L10n.of(context)!.oopsSomethingWentWrong;
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body = const Icon(Icons.error_outline, color: Colors.red, size: 40);
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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<bool>(false),
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));
break;
case BootstrapState.done:
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titleText = L10n.of(context)!.everythingReady;
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body = Column(
mainAxisSize: MainAxisSize.min,
children: [
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Image.asset('assets/backup.png', fit: BoxFit.contain),
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Text(L10n.of(context)!.yourChatBackupHasBeenSetUp),
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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<bool>(false),
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));
break;
}
}
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final title = Text(titleText!);
if (PlatformInfos.isCupertinoStyle) {
return CupertinoAlertDialog(
title: title,
content: body,
actions: buttons,
);
}
return AlertDialog(
title: title,
content: body,
actions: buttons,
);
}
}