stack_wallet/lib/pages/home_view/home_view.dart
2022-08-26 16:11:35 +08:00

287 lines
9.1 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/svg.dart';
import 'package:stackwallet/pages/exchange_view/exchange_loading_overlay.dart';
import 'package:stackwallet/pages/exchange_view/exchange_view.dart';
import 'package:stackwallet/pages/home_view/sub_widgets/home_view_button_bar.dart';
import 'package:stackwallet/pages/notification_views/notifications_view.dart';
import 'package:stackwallet/pages/settings_views/global_settings_view/global_settings_view.dart';
import 'package:stackwallet/pages/settings_views/global_settings_view/hidden_settings.dart';
import 'package:stackwallet/pages/wallets_view/wallets_view.dart';
import 'package:stackwallet/providers/global/notifications_provider.dart';
import 'package:stackwallet/providers/ui/home_view_index_provider.dart';
import 'package:stackwallet/providers/ui/unread_notifications_provider.dart';
import 'package:stackwallet/utilities/assets.dart';
import 'package:stackwallet/utilities/cfcolors.dart';
import 'package:stackwallet/utilities/constants.dart';
import 'package:stackwallet/utilities/text_styles.dart';
import 'package:stackwallet/widgets/custom_buttons/app_bar_icon_button.dart';
import 'package:stackwallet/widgets/stack_dialog.dart';
class HomeView extends ConsumerStatefulWidget {
const HomeView({Key? key}) : super(key: key);
static const routeName = "/home";
@override
ConsumerState<HomeView> createState() => _HomeViewState();
}
class _HomeViewState extends ConsumerState<HomeView> {
final GlobalKey<ScaffoldState> _key = GlobalKey<ScaffoldState>();
late final PageController _pageController;
late final List<Widget> _children;
DateTime? _cachedTime;
bool _exitEnabled = false;
Future<bool> _onWillPop() async {
if (_exitEnabled) {
return true;
}
final now = DateTime.now();
const timeout = Duration(milliseconds: 1500);
if (_cachedTime == null || now.difference(_cachedTime!) > timeout) {
_cachedTime = now;
await showDialog<dynamic>(
context: context,
barrierDismissible: false,
builder: (_) => WillPopScope(
onWillPop: () async {
_exitEnabled = true;
return true;
},
child: const StackDialog(title: "Tap back again to exit"),
),
).timeout(
timeout,
onTimeout: () {
_exitEnabled = false;
Navigator.of(context).pop();
},
);
}
return _exitEnabled;
}
@override
void initState() {
_pageController = PageController();
_children = [
const WalletsView(),
if (Constants.enableExchange)
Stack(
children: const [
ExchangeView(),
ExchangeLoadingOverlayView(),
],
),
// const BuyView(),
];
ref.read(notificationsProvider).startCheckingWatchedNotifications();
super.initState();
}
@override
dispose() {
_pageController.dispose();
super.dispose();
}
DateTime _hiddenTime = DateTime.now();
int _hiddenCount = 0;
void _hiddenOptions() {
if (_hiddenCount == 5) {
Navigator.of(context).pushNamed(HiddenSettings.routeName);
}
final now = DateTime.now();
const timeout = Duration(seconds: 1);
if (now.difference(_hiddenTime) < timeout) {
_hiddenCount++;
} else {
_hiddenCount = 0;
}
_hiddenTime = now;
}
@override
Widget build(BuildContext context) {
debugPrint("BUILD: $runtimeType");
return WillPopScope(
onWillPop: _onWillPop,
child: Scaffold(
key: _key,
appBar: AppBar(
automaticallyImplyLeading: false,
title: Row(
children: [
GestureDetector(
onTap: _hiddenOptions,
child: SvgPicture.asset(
Assets.svg.stackIcon,
// color: CFColors.stackAccent,
width: 24,
height: 24,
),
),
const SizedBox(
width: 16,
),
Text(
"My Stack",
style: STextStyles.navBarTitle,
)
],
),
actions: [
Padding(
padding: const EdgeInsets.only(
top: 10,
bottom: 10,
right: 10,
),
child: AspectRatio(
aspectRatio: 1,
child: AppBarIconButton(
key: const Key("walletsViewAlertsButton"),
size: 36,
shadows: const [],
color: CFColors.almostWhite,
icon: SvgPicture.asset(
ref.watch(notificationsProvider
.select((value) => value.hasUnreadNotifications))
? Assets.svg.bellNew
: Assets.svg.bell,
width: 20,
height: 20,
),
onPressed: () {
// reset unread state
ref.refresh(unreadNotificationsStateProvider);
Navigator.of(context)
.pushNamed(NotificationsView.routeName)
.then((_) {
final Set<int> unreadNotificationIds = ref
.read(unreadNotificationsStateProvider.state)
.state;
if (unreadNotificationIds.isEmpty) return;
List<Future<void>> futures = [];
for (int i = 0;
i < unreadNotificationIds.length - 1;
i++) {
futures.add(ref.read(notificationsProvider).markAsRead(
unreadNotificationIds.elementAt(i), false));
}
// wait for multiple to update if any
Future.wait(futures).then((_) {
// only notify listeners once
ref
.read(notificationsProvider)
.markAsRead(unreadNotificationIds.last, true);
});
});
},
),
),
),
Padding(
padding: const EdgeInsets.only(
top: 10,
bottom: 10,
right: 10,
),
child: AspectRatio(
aspectRatio: 1,
child: AppBarIconButton(
key: const Key("walletsViewSettingsButton"),
size: 36,
shadows: const [],
color: CFColors.almostWhite,
icon: SvgPicture.asset(
Assets.svg.gear,
color: CFColors.stackAccent,
width: 20,
height: 20,
),
onPressed: () {
debugPrint("main view settings tapped");
Navigator.of(context)
.pushNamed(GlobalSettingsView.routeName);
},
),
),
),
],
),
body: Container(
color: CFColors.almostWhite,
child: Column(
children: [
if (Constants.enableExchange)
Container(
decoration: const BoxDecoration(
color: CFColors.almostWhite,
boxShadow: [
CFColors.standardBoxShadow,
],
),
child: const Padding(
padding: EdgeInsets.only(
left: 16,
bottom: 12,
right: 16,
top: 0,
),
child: HomeViewButtonBar(),
),
),
Expanded(
child: Consumer(
builder: (_, _ref, __) {
_ref.listen(homeViewPageIndexStateProvider,
(previous, next) {
if (next is int) {
if (next >= 0 && next <= 1) {
_pageController.animateToPage(
next,
duration: const Duration(milliseconds: 300),
curve: Curves.decelerate,
);
}
}
});
return PageView(
controller: _pageController,
children: _children,
onPageChanged: (pageIndex) {
ref.read(homeViewPageIndexStateProvider.state).state =
pageIndex;
},
);
},
),
),
// Expanded(
// child: HomeStack(
// children: _children,
// ),
// ),
],
),
),
),
);
}
}