mirror of
https://github.com/krille-chan/fluffychat
synced 2024-09-10 13:05:11 +00:00
94 lines
3.5 KiB
Dart
94 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:collection/collection.dart';
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import 'package:flutter_secure_storage/flutter_secure_storage.dart';
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import 'package:matrix/matrix.dart';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:fluffychat/config/app_config.dart';
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import 'package:fluffychat/utils/client_manager.dart';
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import 'package:fluffychat/utils/platform_infos.dart';
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import 'package:fluffychat/widgets/error_widget.dart';
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import 'config/setting_keys.dart';
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import 'utils/background_push.dart';
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import 'widgets/fluffy_chat_app.dart';
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void main() async {
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Logs().i('Welcome to ${AppConfig.applicationName} <3');
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// Our background push shared isolate accesses flutter-internal things very early in the startup proccess
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// To make sure that the parts of flutter needed are started up already, we need to ensure that the
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// widget bindings are initialized already.
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WidgetsFlutterBinding.ensureInitialized();
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Logs().nativeColors = !PlatformInfos.isIOS;
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final store = await SharedPreferences.getInstance();
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final clients = await ClientManager.getClients(store: store);
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// If the app starts in detached mode, we assume that it is in
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// background fetch mode for processing push notifications. This is
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// currently only supported on Android.
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if (PlatformInfos.isAndroid &&
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AppLifecycleState.detached == WidgetsBinding.instance.lifecycleState) {
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// In the background fetch mode we do not want to waste ressources with
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// starting the Flutter engine but process incoming push notifications.
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BackgroundPush.clientOnly(clients.first);
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// To start the flutter engine afterwards we add an custom observer.
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WidgetsBinding.instance.addObserver(AppStarter(clients, store));
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Logs().i(
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'${AppConfig.applicationName} started in background-fetch mode. No GUI will be created unless the app is no longer detached.',
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);
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return;
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}
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// Started in foreground mode.
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Logs().i(
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'${AppConfig.applicationName} started in foreground mode. Rendering GUI...',
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);
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await startGui(clients, store);
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}
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/// Fetch the pincode for the applock and start the flutter engine.
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Future<void> startGui(List<Client> clients, SharedPreferences store) async {
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// Fetch the pin for the applock if existing for mobile applications.
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String? pin;
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if (PlatformInfos.isMobile) {
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try {
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pin =
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await const FlutterSecureStorage().read(key: SettingKeys.appLockKey);
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} catch (e, s) {
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Logs().d('Unable to read PIN from Secure storage', e, s);
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}
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}
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// Preload first client
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final firstClient = clients.firstOrNull;
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await firstClient?.roomsLoading;
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await firstClient?.accountDataLoading;
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ErrorWidget.builder = (details) => FluffyChatErrorWidget(details);
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runApp(FluffyChatApp(clients: clients, pincode: pin, store: store));
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}
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/// Watches the lifecycle changes to start the application when it
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/// is no longer detached.
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class AppStarter with WidgetsBindingObserver {
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final List<Client> clients;
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final SharedPreferences store;
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bool guiStarted = false;
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AppStarter(this.clients, this.store);
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@override
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void didChangeAppLifecycleState(AppLifecycleState state) {
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if (guiStarted) return;
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if (state == AppLifecycleState.detached) return;
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Logs().i(
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'${AppConfig.applicationName} switches from the detached background-fetch mode to ${state.name} mode. Rendering GUI...',
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);
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startGui(clients, store);
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// We must make sure that the GUI is only started once.
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guiStarted = true;
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}
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}
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