ostp/ostp-flutter/lib/ui/app_routing_screen.dart

410 lines
18 KiB
Dart

import 'dart:async';
import 'dart:convert';
import 'dart:io';
import 'dart:ui';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:mobile_scanner/mobile_scanner.dart';
class AppRoutingScreen extends StatefulWidget {
final SharedPreferences prefs;
const AppRoutingScreen({super.key, required this.prefs});
@override
State<AppRoutingScreen> createState() => _AppRoutingScreenState();
}
class _AppRoutingScreenState extends State<AppRoutingScreen> {
static const platform = MethodChannel('com.ospab.ostp/vpn');
List<Map<String, dynamic>> _allApps = [];
List<Map<String, dynamic>> _filteredApps = [];
Set<String> _selectedPackages = {};
String _routingMode = 'bypass';
bool _hideSystemApps = true;
bool _isLoading = true;
String _searchQuery = '';
final TextEditingController _searchCtrl = TextEditingController();
@override
void initState() {
super.initState();
_loadSavedConfig();
_fetchInstalledApps();
}
void _loadSavedConfig() {
setState(() {
_routingMode = widget.prefs.getString('app_routing_mode') ?? 'bypass';
_selectedPackages = (widget.prefs.getStringList('app_routing_packages') ?? []).toSet();
});
}
Future<void> _fetchInstalledApps() async {
try {
final List<dynamic>? rawApps = await platform.invokeMethod('getInstalledApps');
if (rawApps != null) {
final List<Map<String, dynamic>> apps = rawApps.map((e) {
final Map<dynamic, dynamic> m = e as Map<dynamic, dynamic>;
return {
"name": m["name"] as String? ?? "Unknown",
"package": m["package"] as String? ?? "",
"isSystem": m["isSystem"] as bool? ?? false,
"icon": m["icon"] as String? ?? "",
};
}).toList();
apps.sort((a, b) => (a["name"] as String).toLowerCase().compareTo((b["name"] as String).toLowerCase()));
setState(() {
_allApps = apps;
_isLoading = false;
});
_filterApps();
}
} catch (e) {
debugPrint("Error fetching apps: $e");
setState(() => _isLoading = false);
}
}
void _filterApps() {
setState(() {
_filteredApps = _allApps.where((app) {
final name = (app["name"] as String).toLowerCase();
final package = (app["package"] as String).toLowerCase();
final query = _searchQuery.toLowerCase();
final matchesSearch = name.contains(query) || package.contains(query);
final matchesSystemFilter = !_hideSystemApps || !(app["isSystem"] as bool);
return matchesSearch && matchesSystemFilter;
}).toList();
});
}
void _saveConfig() {
widget.prefs.setString('app_routing_mode', _routingMode);
widget.prefs.setStringList('app_routing_packages', _selectedPackages.toList());
}
void _resetConfig() {
setState(() {
_selectedPackages.clear();
_routingMode = 'bypass';
_hideSystemApps = true;
_searchCtrl.clear();
_searchQuery = '';
});
_saveConfig();
_filterApps();
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('App routing rules reset successfully')),
);
}
@override
void dispose() {
_searchCtrl.dispose();
super.dispose();
}
@override
Widget build(BuildContext context) {
final theme = Theme.of(context);
return Scaffold(
appBar: AppBar(
title: const Text('App Routing Rules', style: TextStyle(fontWeight: FontWeight.bold, fontSize: 18)),
backgroundColor: theme.colorScheme.surface,
elevation: 0,
actions: [
IconButton(
icon: const Icon(Icons.refresh_rounded),
tooltip: 'Reset Rules',
onPressed: _resetConfig,
),
],
),
body: Column(
children: [
Container(
padding: const EdgeInsets.all(16),
color: theme.colorScheme.surface.withOpacity(0.5),
child: Column(
children: [
Row(
children: [
Expanded(
child: GestureDetector(
onTap: () {
setState(() {
_routingMode = 'bypass';
});
_saveConfig();
},
child: Container(
padding: const EdgeInsets.symmetric(vertical: 12),
decoration: BoxDecoration(
color: _routingMode == 'bypass' ? theme.colorScheme.primary : Colors.white.withOpacity(0.05),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: _routingMode == 'bypass' ? theme.colorScheme.primary : Colors.white.withOpacity(0.1),
),
),
child: const Center(
child: Text(
'Bypass Mode',
style: TextStyle(fontWeight: FontWeight.bold, color: Colors.white),
),
),
),
),
),
const SizedBox(width: 12),
Expanded(
child: GestureDetector(
onTap: () {
setState(() {
_routingMode = 'proxy';
});
_saveConfig();
},
child: Container(
padding: const EdgeInsets.symmetric(vertical: 12),
decoration: BoxDecoration(
color: _routingMode == 'proxy' ? theme.colorScheme.secondary : Colors.white.withOpacity(0.05),
borderRadius: BorderRadius.circular(12),
border: Border.all(
color: _routingMode == 'proxy' ? theme.colorScheme.secondary : Colors.white.withOpacity(0.1),
),
),
child: const Center(
child: Text(
'Proxy Mode',
style: TextStyle(fontWeight: FontWeight.bold, color: Colors.white),
),
),
),
),
),
],
),
const SizedBox(height: 8),
Text(
_routingMode == 'bypass'
? 'Selected apps bypass the VPN (direct connection).'
: 'Only selected apps are routed through the VPN.',
style: const TextStyle(fontSize: 13, color: Colors.white54),
textAlign: TextAlign.center,
),
],
),
),
Padding(
padding: const EdgeInsets.all(16.0),
child: Row(
children: [
Expanded(
child: TextField(
controller: _searchCtrl,
onChanged: (val) {
setState(() {
_searchQuery = val;
});
_filterApps();
},
decoration: InputDecoration(
hintText: 'Search apps...',
prefixIcon: const Icon(Icons.search_rounded, color: Colors.white54),
suffixIcon: _searchQuery.isNotEmpty ? IconButton(
icon: const Icon(Icons.clear_rounded, color: Colors.white54),
onPressed: () {
_searchCtrl.clear();
setState(() {
_searchQuery = '';
});
_filterApps();
},
) : null,
filled: true,
fillColor: Colors.white.withOpacity(0.05),
border: OutlineInputBorder(borderRadius: BorderRadius.circular(16), borderSide: BorderSide.none),
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
),
),
),
const SizedBox(width: 12),
InkWell(
onTap: () {
setState(() {
_hideSystemApps = !_hideSystemApps;
});
_filterApps();
},
child: Container(
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
color: _hideSystemApps ? theme.colorScheme.primary.withOpacity(0.15) : Colors.white.withOpacity(0.05),
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: _hideSystemApps ? theme.colorScheme.primary.withOpacity(0.4) : Colors.white.withOpacity(0.1),
),
),
child: Icon(
_hideSystemApps ? Icons.visibility_off_rounded : Icons.visibility_rounded,
color: _hideSystemApps ? theme.colorScheme.primary : Colors.white70,
),
),
),
],
),
),
Expanded(
child: _isLoading
? const Center(child: CircularProgressIndicator())
: _filteredApps.isEmpty
? const Center(child: Text('No applications found', style: TextStyle(color: Colors.white54)))
: ListView.builder(
padding: const EdgeInsets.symmetric(horizontal: 16),
itemCount: _filteredApps.length,
itemBuilder: (context, index) {
final app = _filteredApps[index];
final pkg = app["package"] as String;
final name = app["name"] as String;
final isSystem = app["isSystem"] as bool;
final isSelected = _selectedPackages.contains(pkg);
final String? iconBase64 = app["icon"] as String?;
final String initial = name.isNotEmpty ? name[0].toUpperCase() : '?';
final int colorHash = pkg.hashCode.abs();
final double hue = (colorHash % 360).toDouble();
return Container(
margin: const EdgeInsets.only(bottom: 8),
decoration: BoxDecoration(
color: isSelected
? (_routingMode == 'bypass'
? theme.colorScheme.primary.withOpacity(0.08)
: theme.colorScheme.secondary.withOpacity(0.08))
: Colors.white.withOpacity(0.02),
borderRadius: BorderRadius.circular(16),
border: Border.all(
color: isSelected
? (_routingMode == 'bypass'
? theme.colorScheme.primary.withOpacity(0.3)
: theme.colorScheme.secondary.withOpacity(0.3))
: Colors.white.withOpacity(0.05),
),
),
child: ListTile(
contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
leading: iconBase64 != null && iconBase64.isNotEmpty
? ClipRRect(
borderRadius: BorderRadius.circular(10),
child: Image.memory(
base64Decode(iconBase64),
width: 40, height: 40,
fit: BoxFit.cover,
errorBuilder: (context, error, stackTrace) => Container(
width: 40, height: 40,
decoration: BoxDecoration(
shape: BoxShape.circle,
gradient: LinearGradient(
colors: [
HSVColor.fromAHSV(1.0, hue, 0.7, 0.8).toColor(),
HSVColor.fromAHSV(1.0, (hue + 40) % 360, 0.8, 0.9).toColor(),
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
),
child: Center(
child: Text(
initial,
style: const TextStyle(fontWeight: FontWeight.bold, color: Colors.white, fontSize: 16),
),
),
),
),
)
: Container(
width: 40, height: 40,
decoration: BoxDecoration(
shape: BoxShape.circle,
gradient: LinearGradient(
colors: [
HSVColor.fromAHSV(1.0, hue, 0.7, 0.8).toColor(),
HSVColor.fromAHSV(1.0, (hue + 40) % 360, 0.8, 0.9).toColor(),
],
begin: Alignment.topLeft,
end: Alignment.bottomRight,
),
),
child: Center(
child: Text(
initial,
style: const TextStyle(fontWeight: FontWeight.bold, color: Colors.white, fontSize: 16),
),
),
),
title: Row(
children: [
Expanded(
child: Text(
name,
style: const TextStyle(fontWeight: FontWeight.bold, fontSize: 15),
maxLines: 1, overflow: TextOverflow.ellipsis,
),
),
if (isSystem) ...[
const SizedBox(width: 8),
Container(
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
decoration: BoxDecoration(
color: Colors.white.withOpacity(0.1),
borderRadius: BorderRadius.circular(4),
),
child: const Text(
'SYS',
style: TextStyle(fontSize: 9, color: Colors.white60, fontWeight: FontWeight.bold),
),
)
]
],
),
subtitle: Text(
pkg,
style: const TextStyle(fontFamily: 'monospace', fontSize: 11, color: Colors.white38),
maxLines: 1, overflow: TextOverflow.ellipsis,
),
trailing: Switch(
value: isSelected,
activeColor: _routingMode == 'bypass' ? theme.colorScheme.primary : theme.colorScheme.secondary,
onChanged: (val) {
setState(() {
if (val) {
_selectedPackages.add(pkg);
} else {
_selectedPackages.remove(pkg);
}
});
_saveConfig();
},
),
),
);
},
),
),
],
),
);
}
}