revanced-manager/lib/ui/views/installer/installer_viewmodel.dart
2022-09-19 01:46:12 +01:00

218 lines
6.9 KiB
Dart

import 'package:device_apps/device_apps.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_background/flutter_background.dart';
import 'package:flutter_i18n/flutter_i18n.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:revanced_manager/app/app.locator.dart';
import 'package:revanced_manager/models/patch.dart';
import 'package:revanced_manager/models/patched_application.dart';
import 'package:revanced_manager/services/manager_api.dart';
import 'package:revanced_manager/services/patcher_api.dart';
import 'package:revanced_manager/ui/views/patcher/patcher_viewmodel.dart';
import 'package:revanced_manager/ui/widgets/installerView/custom_material_button.dart';
import 'package:stacked/stacked.dart';
import 'package:wakelock/wakelock.dart';
class InstallerViewModel extends BaseViewModel {
final ManagerAPI _managerAPI = locator<ManagerAPI>();
final PatcherAPI _patcherAPI = locator<PatcherAPI>();
final PatchedApplication _app = locator<PatcherViewModel>().selectedApp!;
final List<Patch> _patches = locator<PatcherViewModel>().selectedPatches;
static const _installerChannel = MethodChannel(
'app.revanced.manager.flutter/installer',
);
final ScrollController scrollController = ScrollController();
double? progress = 0.0;
String logs = '';
String headerLogs = '';
bool isPatching = true;
bool isInstalled = false;
bool hasErrors = false;
Future<void> initialize(BuildContext context) async {
if (await Permission.ignoreBatteryOptimizations.isGranted) {
try {
FlutterBackground.initialize(
androidConfig: FlutterBackgroundAndroidConfig(
notificationTitle: FlutterI18n.translate(
context,
'installerView.notificationTitle',
),
notificationText: FlutterI18n.translate(
context,
'installerView.notificationText',
),
notificationImportance: AndroidNotificationImportance.Default,
notificationIcon: const AndroidResource(
name: 'ic_notification',
defType: 'drawable',
),
),
).then((value) => FlutterBackground.enableBackgroundExecution());
} on Exception {
// ignore
}
}
await Wakelock.enable();
await handlePlatformChannelMethods();
await runPatcher();
}
Future<dynamic> handlePlatformChannelMethods() async {
_installerChannel.setMethodCallHandler((call) async {
switch (call.method) {
case 'update':
if (call.arguments != null) {
Map<dynamic, dynamic> arguments = call.arguments;
double progress = arguments['progress'];
String header = arguments['header'];
String log = arguments['log'];
update(progress, header, log);
}
break;
}
});
}
void update(double value, String header, String log) {
if (value > 0) {
progress = value;
}
isPatching = progress == 1.0 ? false : true;
if (progress == 0.0) {
logs = '';
isInstalled = false;
hasErrors = false;
}
if (header.isNotEmpty) {
headerLogs = header;
}
if (log.isNotEmpty && !log.startsWith('Merging L')) {
if (logs.isNotEmpty) {
logs += '\n';
}
logs += log;
Future.delayed(const Duration(milliseconds: 500)).then((value) {
scrollController.animateTo(
scrollController.position.maxScrollExtent,
duration: const Duration(milliseconds: 200),
curve: Curves.fastOutSlowIn,
);
});
}
notifyListeners();
}
Future<void> runPatcher() async {
update(0.0, 'Initializing...', 'Initializing installer');
if (_patches.isNotEmpty) {
try {
update(0.1, '', 'Creating working directory');
await _patcherAPI.runPatcher(
_app.packageName,
_app.apkFilePath,
_patches,
);
} catch (e) {
hasErrors = true;
update(-1.0, 'Aborting...', 'An error occurred! Aborting\nError: $e');
}
} else {
hasErrors = true;
update(-1.0, 'Aborting...', 'No app or patches selected! Aborting');
}
if (FlutterBackground.isBackgroundExecutionEnabled) {
try {
FlutterBackground.disableBackgroundExecution();
} on Exception {
// ignore
}
}
await Wakelock.disable();
isPatching = false;
}
void installResult(BuildContext context, bool installAsRoot) async {
_app.isRooted = installAsRoot;
bool hasMicroG = _patches.any((p) => p.name.endsWith('microg-support'));
bool rootMicroG = installAsRoot && hasMicroG;
bool rootFromStorage = installAsRoot && _app.isFromStorage;
bool ytWithoutRootMicroG =
!installAsRoot && !hasMicroG && _app.packageName.contains('youtube');
if (rootMicroG || rootFromStorage || ytWithoutRootMicroG) {
return showDialog(
context: context,
builder: (context) => AlertDialog(
title: I18nText('installerView.installErrorDialogTitle'),
backgroundColor: Theme.of(context).colorScheme.secondaryContainer,
content: I18nText(
rootMicroG
? 'installerView.installErrorDialogText1'
: rootFromStorage
? 'installerView.installErrorDialogText3'
: 'installerView.installErrorDialogText2',
),
actions: <Widget>[
CustomMaterialButton(
label: I18nText('okButton'),
onPressed: () => Navigator.of(context).pop(),
)
],
),
);
} else {
update(
1.0,
'Installing...',
_app.isRooted
? 'Installing patched file using root method'
: 'Installing patched file using nonroot method',
);
isInstalled = await _patcherAPI.installPatchedFile(_app);
if (isInstalled) {
update(1.0, 'Installed!', 'Installed!');
_app.isFromStorage = false;
_app.patchDate = DateTime.now();
_app.appliedPatches = _patches.map((p) => p.name).toList();
if (hasMicroG) {
_app.packageName = _app.packageName.replaceFirst(
'com.google.',
'app.revanced.',
);
}
await _managerAPI.savePatchedApp(_app);
}
}
}
void shareResult() {
_patcherAPI.sharePatchedFile(_app.name, _app.version);
}
void shareLog() {
_patcherAPI.sharePatcherLog(logs);
}
Future<void> cleanPatcher() async {
_patcherAPI.cleanPatcher();
locator<PatcherViewModel>().selectedApp = null;
locator<PatcherViewModel>().selectedPatches.clear();
locator<PatcherViewModel>().notifyListeners();
}
void openApp() {
DeviceApps.openApp(_app.packageName);
}
void onMenuSelection(int value) {
switch (value) {
case 0:
shareResult();
break;
case 1:
shareLog();
break;
}
}
}