Merge branch 'design' into alpha

lib/utils/proxy.dart

@@ -0,0 +1,28 @@
+import 'dart:io';
+import 'package:system_proxy/system_proxy.dart';
+
+class CustomProxy {
+  init() async {
+    Map<String, String>? proxy = await SystemProxy.getProxySettings();
+    if (proxy != null) {
+      HttpOverrides.global =
+          ProxiedHttpOverrides(proxy['host']!, proxy['port']!);
+    }
+  }
+}
+
+class ProxiedHttpOverrides extends HttpOverrides {
+  final String _port;
+  final String _host;
+
+  ProxiedHttpOverrides(this._host, this._port);
+
+  @override
+  HttpClient createHttpClient(SecurityContext? context) {
+    return super.createHttpClient(context)
+      // set proxy
+      ..findProxy = (uri) {
+        return "PROXY $_host:$_port;";
+      };
+  }
+}

lib/utils/storage.dart

@@ -126,6 +126,7 @@ class SettingBoxKey {
   static const String enableSearchWord = 'enableSearchWord';
   static const String enableRcmdDynamic = 'enableRcmdDynamic';
   static const String enableSaveLastData = 'enableSaveLastData';
+  static const String enableSystemProxy = 'enableSystemProxy';
 
   /// 外观
   static const String themeMode = 'themeMode';
@@ -155,6 +156,10 @@ class LocalCacheKey {
   static const String danmakuOpacity = 'danmakuOpacity';
   static const String danmakuFontScale = 'danmakuFontScale';
   static const String danmakuSpeed = 'danmakuSpeed';
+
+  // 代理host port
+  static const String systemProxyHost = 'systemProxyHost';
+  static const String systemProxyPort = 'systemProxyPort';
 }
 
 class VideoBoxKey {