ente/lib/ui/home_page.dart
2023-05-25 15:09:14 +05:30

361 lines
11 KiB
Dart

import 'dart:async';
import 'dart:io';
import 'package:ente_auth/core/configuration.dart';
import 'package:ente_auth/core/event_bus.dart';
import 'package:ente_auth/ente_theme_data.dart';
import 'package:ente_auth/events/codes_updated_event.dart';
import 'package:ente_auth/events/trigger_logout_event.dart';
import "package:ente_auth/l10n/l10n.dart";
import 'package:ente_auth/models/code.dart';
import 'package:ente_auth/onboarding/view/setup_enter_secret_key_page.dart';
import 'package:ente_auth/services/preference_service.dart';
import 'package:ente_auth/services/user_service.dart';
import 'package:ente_auth/store/code_store.dart';
import 'package:ente_auth/ui/account/logout_dialog.dart';
import 'package:ente_auth/ui/code_widget.dart';
import 'package:ente_auth/ui/common/loading_widget.dart';
import 'package:ente_auth/ui/home/coach_mark_widget.dart';
import 'package:ente_auth/ui/home/home_empty_state.dart';
import 'package:ente_auth/ui/home/speed_dial_label_widget.dart';
import 'package:ente_auth/ui/scanner_page.dart';
import 'package:ente_auth/ui/settings_page.dart';
import 'package:ente_auth/utils/dialog_util.dart';
import 'package:ente_auth/utils/totp_util.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_speed_dial/flutter_speed_dial.dart';
import 'package:logging/logging.dart';
import 'package:move_to_background/move_to_background.dart';
import 'package:uni_links/uni_links.dart';
class HomePage extends StatefulWidget {
const HomePage({Key? key}) : super(key: key);
@override
State<HomePage> createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
static final _settingsPage = SettingsPage(
emailNotifier: UserService.instance.emailValueNotifier,
);
bool _hasLoaded = false;
bool _isSettingsOpen = false;
final Logger _logger = Logger("HomePage");
final TextEditingController _textController = TextEditingController();
bool _showSearchBox = false;
String _searchText = "";
List<Code> _codes = [];
List<Code> _filteredCodes = [];
StreamSubscription<CodesUpdatedEvent>? _streamSubscription;
StreamSubscription<TriggerLogoutEvent>? _triggerLogoutEvent;
@override
void initState() {
_textController.addListener(_applyFilteringAndRefresh);
_loadCodes();
_streamSubscription = Bus.instance.on<CodesUpdatedEvent>().listen((event) {
_loadCodes();
});
_triggerLogoutEvent =
Bus.instance.on<TriggerLogoutEvent>().listen((event) async {
await autoLogoutAlert(context);
});
_initDeepLinks();
super.initState();
}
void _loadCodes() {
CodeStore.instance.getAllCodes().then((codes) {
_codes = codes;
_hasLoaded = true;
_applyFilteringAndRefresh();
});
}
void _applyFilteringAndRefresh() {
if (_searchText.isNotEmpty && _showSearchBox) {
final String val = _searchText.toLowerCase();
_filteredCodes = _codes
.where(
(element) => (element.account.toLowerCase().contains(val) ||
element.issuer.toLowerCase().contains(val)),
)
.toList();
} else {
_filteredCodes = _codes;
}
if (mounted) {
setState(() {});
}
}
@override
void dispose() {
_streamSubscription?.cancel();
_triggerLogoutEvent?.cancel();
_textController.removeListener(_applyFilteringAndRefresh);
super.dispose();
}
Future<void> _redirectToScannerPage() async {
final Code? code = await Navigator.of(context).push(
MaterialPageRoute(
builder: (BuildContext context) {
return const ScannerPage();
},
),
);
if (code != null) {
CodeStore.instance.addCode(code);
// Focus the new code by searching
if (_codes.length > 2) {
_focusNewCode(code);
}
}
}
Future<void> _redirectToManualEntryPage() async {
final Code? code = await Navigator.of(context).push(
MaterialPageRoute(
builder: (BuildContext context) {
return SetupEnterSecretKeyPage();
},
),
);
if (code != null) {
CodeStore.instance.addCode(code);
}
}
@override
Widget build(BuildContext context) {
final l10n = context.l10n;
return WillPopScope(
onWillPop: () async {
if (_isSettingsOpen) {
Navigator.pop(context);
return false;
}
if (Platform.isAndroid) {
MoveToBackground.moveTaskToBack();
return false;
} else {
return true;
}
},
child: Scaffold(
drawerEnableOpenDragGesture: true,
drawer: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 428),
child: Drawer(
width: double.infinity,
child: _settingsPage,
),
),
onDrawerChanged: (isOpened) => _isSettingsOpen = isOpened,
body: SafeArea(
bottom: false,
child: Builder(
builder: (context) {
return _getBody();
},
),
),
resizeToAvoidBottomInset: false,
appBar: AppBar(
title: !_showSearchBox
? const Text('ente Authenticator')
: TextField(
autofocus: _searchText.isEmpty,
controller: _textController,
onChanged: (val) {
_searchText = val;
_applyFilteringAndRefresh();
},
decoration: InputDecoration(
hintText: l10n.searchHint,
border: InputBorder.none,
),
),
actions: <Widget>[
IconButton(
icon: _showSearchBox
? const Icon(Icons.clear)
: const Icon(Icons.search),
tooltip: l10n.search,
onPressed: () {
setState(
() {
_showSearchBox = !_showSearchBox;
if (!_showSearchBox) {
_textController.clear();
} else {
_searchText = _textController.text;
}
_applyFilteringAndRefresh();
},
);
},
),
],
),
floatingActionButton: !_hasLoaded ||
_codes.isEmpty ||
!PreferenceService.instance.hasShownCoachMark()
? null
: _getFab(),
),
);
}
Widget _getBody() {
final l10n = context.l10n;
if (_hasLoaded) {
if (_filteredCodes.isEmpty && _searchText.isEmpty) {
return HomeEmptyStateWidget(
onScanTap: _redirectToScannerPage,
onManuallySetupTap: _redirectToManualEntryPage,
);
} else {
final list = ListView.builder(
itemBuilder: ((context, index) {
return CodeWidget(_filteredCodes[index]);
}),
itemCount: _filteredCodes.length,
);
if (!PreferenceService.instance.hasShownCoachMark()) {
return Stack(
children: [
list,
const CoachMarkWidget(),
],
);
} else if (_showSearchBox) {
return Column(
children: [
Expanded(
child: _filteredCodes.isNotEmpty
? ListView.builder(
itemBuilder: ((context, index) {
Code? code;
try {
code = _filteredCodes[index];
return CodeWidget(code!);
} catch (e, s) {
_logger.severe("code widget error", e, s);
return Center(
child: Padding(
padding: const EdgeInsets.all(8.0),
child: Text(
l10n.sorryUnableToGenCode(code?.issuer ?? ""),
),
),
);
}
}),
itemCount: _filteredCodes.length,
)
: Center(child: (Text(l10n.noResult))),
),
],
);
} else {
return list;
}
}
} else {
return const EnteLoadingWidget();
}
}
Future<bool> _initDeepLinks() async {
// Platform messages may fail, so we use a try/catch PlatformException.
try {
final String? initialLink = await getInitialLink();
// Parse the link and warn the user, if it is not correct,
// but keep in mind it could be `null`.
if (initialLink != null) {
_handleDeeplink(context, initialLink);
return true;
} else {
_logger.info("No initial link received.");
}
} on PlatformException {
// Handle exception by warning the user their action did not succeed
// return?
_logger.severe("PlatformException thrown while getting initial link");
}
// Attach a listener to the stream
linkStream.listen(
(String? link) {
_handleDeeplink(context, link);
},
onError: (err) {
_logger.severe(err);
},
);
return false;
}
void _handleDeeplink(BuildContext context, String? link) {
if (!Configuration.instance.hasConfiguredAccount() || link == null) {
return;
}
if (mounted && link.toLowerCase().startsWith("otpauth://")) {
try {
final newCode = Code.fromRawData(link);
getNextTotp(newCode);
CodeStore.instance.addCode(newCode);
_focusNewCode(newCode);
} catch (e, s) {
showGenericErrorDialog(context: context);
_logger.severe("error while handling deeplink", e, s);
}
}
}
void _focusNewCode(Code newCode) {
_showSearchBox = true;
_textController.text = newCode.account;
_searchText = newCode.account;
_applyFilteringAndRefresh();
}
Widget _getFab() {
return SpeedDial(
icon: Icons.add,
activeIcon: Icons.close,
spacing: 3,
childPadding: const EdgeInsets.all(5),
spaceBetweenChildren: 4,
tooltip: context.l10n.addCode,
foregroundColor: Theme.of(context).colorScheme.fabForegroundColor,
backgroundColor: Theme.of(context).colorScheme.fabBackgroundColor,
overlayOpacity: 0.5,
overlayColor: Theme.of(context).colorScheme.background,
elevation: 8.0,
animationCurve: Curves.elasticInOut,
children: [
SpeedDialChild(
child: const Icon(Icons.qr_code),
foregroundColor: Theme.of(context).colorScheme.fabForegroundColor,
backgroundColor: Theme.of(context).colorScheme.fabBackgroundColor,
labelWidget: SpeedDialLabelWidget(context.l10n.scanAQrCode),
onTap: _redirectToScannerPage,
),
SpeedDialChild(
child: const Icon(Icons.keyboard),
foregroundColor: Theme.of(context).colorScheme.fabForegroundColor,
backgroundColor: Theme.of(context).colorScheme.fabBackgroundColor,
labelWidget: SpeedDialLabelWidget(context.l10n.enterDetailsManually),
onTap: _redirectToManualEntryPage,
),
],
);
}
}