windows: completed CookieManager implementation, added WebViewEnvironment getAvailableVersion and compareBrowserVersions methods

flutter_inappwebview/example/lib/main.dart

@@ -24,6 +24,9 @@ Future main() async {
   // await Permission.storage.request();
 
   if (!kIsWeb && defaultTargetPlatform == TargetPlatform.windows) {
+    final availableVersion = await WebViewEnvironment.getAvailableVersion();
+    assert(availableVersion != null, 'Failed to find an installed WebView2 runtime or non-stable Microsoft Edge installation.');
+
     webViewEnvironment = await WebViewEnvironment.create(settings:
       WebViewEnvironmentSettings(
           userDataFolder: 'custom_path'

flutter_inappwebview/lib/src/webview_environment/webview_environment.dart

@@ -30,6 +30,14 @@ class WebViewEnvironment {
     return WebViewEnvironment.fromPlatform(platform: await PlatformWebViewEnvironment.static().create(settings: settings));
   }
 
+  ///{@macro flutter_inappwebview_platform_interface.PlatformWebViewEnvironment.getAvailableVersion}
+  static Future<String?> getAvailableVersion(
+      {String? browserExecutableFolder}) => PlatformWebViewEnvironment.static().getAvailableVersion(browserExecutableFolder: browserExecutableFolder);
+
+  ///{@macro flutter_inappwebview_platform_interface.PlatformWebViewEnvironment.getAvailableVersion}
+  static Future<int?> compareBrowserVersions(
+      {required String version1, required String version2}) => PlatformWebViewEnvironment.static().compareBrowserVersions(version1: version1, version2: version2);
+
   ///{@macro flutter_inappwebview_platform_interface.PlatformWebViewEnvironment.dispose}
   Future<void> dispose() => platform.dispose();
 }

flutter_inappwebview_android/lib/src/inappwebview_platform.dart

@@ -155,7 +155,7 @@ class AndroidInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [AndroidWebStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [AndroidWebStorage] in `flutter_inappwebview` instead.
+  /// Look at using [WebStorage] in `flutter_inappwebview` instead.
   @override
   AndroidWebStorage createPlatformWebStorage(
     PlatformWebStorageCreationParams params,
@@ -166,7 +166,7 @@ class AndroidInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [AndroidLocalStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [AndroidLocalStorage] in `flutter_inappwebview` instead.
+  /// Look at using [LocalStorage] in `flutter_inappwebview` instead.
   @override
   AndroidLocalStorage createPlatformLocalStorage(
     PlatformLocalStorageCreationParams params,
@@ -177,7 +177,7 @@ class AndroidInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [AndroidSessionStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [PlatformSessionStorage] in `flutter_inappwebview` instead.
+  /// Look at using [SessionStorage] in `flutter_inappwebview` instead.
   @override
   AndroidSessionStorage createPlatformSessionStorage(
     PlatformSessionStorageCreationParams params,

flutter_inappwebview_ios/lib/src/inappwebview_platform.dart

@@ -150,7 +150,7 @@ class IOSInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [IOSWebStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [IOSWebStorage] in `flutter_inappwebview` instead.
+  /// Look at using [WebStorage] in `flutter_inappwebview` instead.
   @override
   IOSWebStorage createPlatformWebStorage(
     PlatformWebStorageCreationParams params,
@@ -161,7 +161,7 @@ class IOSInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [IOSLocalStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [IOSLocalStorage] in `flutter_inappwebview` instead.
+  /// Look at using [LocalStorage] in `flutter_inappwebview` instead.
   @override
   IOSLocalStorage createPlatformLocalStorage(
     PlatformLocalStorageCreationParams params,
@@ -172,7 +172,7 @@ class IOSInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [IOSSessionStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [PlatformSessionStorage] in `flutter_inappwebview` instead.
+  /// Look at using [SessionStorage] in `flutter_inappwebview` instead.
   @override
   IOSSessionStorage createPlatformSessionStorage(
     PlatformSessionStorageCreationParams params,

flutter_inappwebview_macos/lib/src/inappwebview_platform.dart

@@ -138,7 +138,7 @@ class MacOSInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [MacOSWebStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [MacOSWebStorage] in `flutter_inappwebview` instead.
+  /// Look at using [WebStorage] in `flutter_inappwebview` instead.
   @override
   MacOSWebStorage createPlatformWebStorage(
     PlatformWebStorageCreationParams params,
@@ -149,7 +149,7 @@ class MacOSInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [MacOSLocalStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [MacOSLocalStorage] in `flutter_inappwebview` instead.
+  /// Look at using [LocalStorage] in `flutter_inappwebview` instead.
   @override
   MacOSLocalStorage createPlatformLocalStorage(
     PlatformLocalStorageCreationParams params,
@@ -160,7 +160,7 @@ class MacOSInAppWebViewPlatform extends InAppWebViewPlatform {
   /// Creates a new [MacOSSessionStorage].
   ///
   /// This function should only be called by the app-facing package.
-  /// Look at using [PlatformSessionStorage] in `flutter_inappwebview` instead.
+  /// Look at using [SessionStorage] in `flutter_inappwebview` instead.
   @override
   MacOSSessionStorage createPlatformSessionStorage(
     PlatformSessionStorageCreationParams params,

flutter_inappwebview_platform_interface/lib/src/platform_cookie_manager.dart

@@ -40,6 +40,7 @@ class PlatformCookieManagerCreationParams {
 ///- iOS
 ///- MacOS
 ///- Web
+///- Windows
 ///{@endtemplate}
 abstract class PlatformCookieManager extends PlatformInterface {
   /// Creates a new [PlatformCookieManager]
@@ -94,6 +95,7 @@ abstract class PlatformCookieManager extends PlatformInterface {
   ///- iOS ([Official API - WKHTTPCookieStore.setCookie](https://developer.apple.com/documentation/webkit/wkhttpcookiestore/2882007-setcookie))
   ///- MacOS ([Official API - WKHTTPCookieStore.setCookie](https://developer.apple.com/documentation/webkit/wkhttpcookiestore/2882007-setcookie))
   ///- Web
+  ///- Windows
   ///{@endtemplate}
   Future<bool> setCookie(
       {required WebUri url,
@@ -133,6 +135,7 @@ abstract class PlatformCookieManager extends PlatformInterface {
   ///- iOS ([Official API - WKHTTPCookieStore.getAllCookies](https://developer.apple.com/documentation/webkit/wkhttpcookiestore/2882005-getallcookies))
   ///- MacOS ([Official API - WKHTTPCookieStore.getAllCookies](https://developer.apple.com/documentation/webkit/wkhttpcookiestore/2882005-getallcookies))
   ///- Web
+  ///- Windows
   ///{@endtemplate}
   Future<List<Cookie>> getCookies(
       {required WebUri url,
@@ -163,6 +166,7 @@ abstract class PlatformCookieManager extends PlatformInterface {
   ///- iOS
   ///- MacOS
   ///- Web
+  ///- Windows
   ///{@endtemplate}
   Future<Cookie?> getCookie(
       {required WebUri url,
@@ -198,6 +202,7 @@ abstract class PlatformCookieManager extends PlatformInterface {
   ///- iOS ([Official API - WKHTTPCookieStore.delete](https://developer.apple.com/documentation/webkit/wkhttpcookiestore/2882009-delete)
   ///- MacOS ([Official API - WKHTTPCookieStore.delete](https://developer.apple.com/documentation/webkit/wkhttpcookiestore/2882009-delete)
   ///- Web
+  ///- Windows
   ///{@endtemplate}
   Future<bool> deleteCookie(
       {required WebUri url,
@@ -235,6 +240,7 @@ abstract class PlatformCookieManager extends PlatformInterface {
   ///- iOS
   ///- MacOS
   ///- Web
+  ///- Windows
   ///{@endtemplate}
   Future<bool> deleteCookies(
       {required WebUri url,
@@ -261,6 +267,7 @@ abstract class PlatformCookieManager extends PlatformInterface {
   ///- Android native WebView ([Official API - CookieManager.removeAllCookies](https://developer.android.com/reference/android/webkit/CookieManager#removeAllCookies(android.webkit.ValueCallback%3Cjava.lang.Boolean%3E)))
   ///- iOS ([Official API - WKWebsiteDataStore.removeData](https://developer.apple.com/documentation/webkit/wkwebsitedatastore/1532938-removedata))
   ///- MacOS ([Official API - WKWebsiteDataStore.removeData](https://developer.apple.com/documentation/webkit/wkwebsitedatastore/1532938-removedata))
+  ///- Windows
   ///{@endtemplate}
   Future<bool> deleteAllCookies() {
     throw UnimplementedError(

flutter_inappwebview_platform_interface/lib/src/types/cookie.dart

@@ -14,7 +14,8 @@ class Cookie_ {
     IOSPlatform(),
     MacOSPlatform(),
     AndroidPlatform(),
-    WebPlatform()
+    WebPlatform(),
+    WindowsPlatform()
   ])
   String name;
 
@@ -23,7 +24,8 @@ class Cookie_ {
     IOSPlatform(),
     MacOSPlatform(),
     AndroidPlatform(),
-    WebPlatform()
+    WebPlatform(),
+    WindowsPlatform()
   ])
   dynamic value;
 
@@ -33,12 +35,17 @@ class Cookie_ {
     MacOSPlatform(),
     AndroidPlatform(
         note:
-            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported.")
+            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported."),
+    WindowsPlatform()
   ])
   int? expiresDate;
 
   ///Indicates if the cookie is a session only cookie.
-  @SupportedPlatforms(platforms: [IOSPlatform(), MacOSPlatform()])
+  @SupportedPlatforms(platforms: [
+    IOSPlatform(),
+    MacOSPlatform(),
+    WindowsPlatform()
+  ])
   bool? isSessionOnly;
 
   ///The cookie domain.
@@ -47,7 +54,8 @@ class Cookie_ {
     MacOSPlatform(),
     AndroidPlatform(
         note:
-            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported.")
+            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported."),
+    WindowsPlatform()
   ])
   String? domain;
 
@@ -57,7 +65,8 @@ class Cookie_ {
     MacOSPlatform(),
     AndroidPlatform(
         note:
-            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported.")
+            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported."),
+    WindowsPlatform()
   ])
   HTTPCookieSameSitePolicy_? sameSite;
 
@@ -67,7 +76,8 @@ class Cookie_ {
     MacOSPlatform(),
     AndroidPlatform(
         note:
-            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported.")
+            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported."),
+    WindowsPlatform()
   ])
   bool? isSecure;
 
@@ -77,7 +87,8 @@ class Cookie_ {
     MacOSPlatform(),
     AndroidPlatform(
         note:
-            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported.")
+            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported."),
+    WindowsPlatform()
   ])
   bool? isHttpOnly;
 
@@ -87,7 +98,8 @@ class Cookie_ {
     MacOSPlatform(),
     AndroidPlatform(
         note:
-            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported.")
+            "available on Android only if [WebViewFeature.GET_COOKIE_INFO] feature is supported."),
+    WindowsPlatform()
   ])
   String? path;
 

flutter_inappwebview_platform_interface/lib/src/types/cookie.g.dart

@@ -16,6 +16,7 @@ class Cookie {
   ///- iOS
   ///- MacOS
   ///- Android native WebView
+  ///- Windows
   String? domain;
 
   ///The cookie expiration date in milliseconds.
@@ -26,6 +27,7 @@ class Cookie {
   ///- iOS
   ///- MacOS
   ///- Android native WebView
+  ///- Windows
   int? expiresDate;
 
   ///Indicates if the cookie is a http only cookie.
@@ -36,6 +38,7 @@ class Cookie {
   ///- iOS
   ///- MacOS
   ///- Android native WebView
+  ///- Windows
   bool? isHttpOnly;
 
   ///Indicates if the cookie is secure or not.
@@ -46,6 +49,7 @@ class Cookie {
   ///- iOS
   ///- MacOS
   ///- Android native WebView
+  ///- Windows
   bool? isSecure;
 
   ///Indicates if the cookie is a session only cookie.
@@ -53,6 +57,7 @@ class Cookie {
   ///**Officially Supported Platforms/Implementations**:
   ///- iOS
   ///- MacOS
+  ///- Windows
   bool? isSessionOnly;
 
   ///The cookie name.
@@ -62,6 +67,7 @@ class Cookie {
   ///- MacOS
   ///- Android native WebView
   ///- Web but iframe requires same origin
+  ///- Windows
   String name;
 
   ///The cookie path.
@@ -72,6 +78,7 @@ class Cookie {
   ///- iOS
   ///- MacOS
   ///- Android native WebView
+  ///- Windows
   String? path;
 
   ///The cookie same site policy.
@@ -82,6 +89,7 @@ class Cookie {
   ///- iOS
   ///- MacOS
   ///- Android native WebView
+  ///- Windows
   HTTPCookieSameSitePolicy? sameSite;
 
   ///The cookie value.
@@ -91,6 +99,7 @@ class Cookie {
   ///- MacOS
   ///- Android native WebView
   ///- Web but iframe requires same origin
+  ///- Windows
   dynamic value;
   Cookie(
       {this.domain,

flutter_inappwebview_platform_interface/lib/src/web_storage/platform_web_storage.dart

@@ -33,6 +33,7 @@ class PlatformWebStorageCreationParams {
 ///- iOS
 ///- MacOS
 ///- Web
+///- Windows
 ///{@endtemplate}
 abstract class PlatformWebStorage extends PlatformInterface
     implements Disposable {

flutter_inappwebview_platform_interface/lib/src/webview_environment/platform_webview_environment.dart

@@ -20,6 +20,7 @@ class PlatformWebViewEnvironmentCreationParams {
 }
 
 ///Controls a WebView Environment used by WebView instances.
+///Use [dispose] when not needed anymore to release references.
 ///
 ///**Officially Supported Platforms/Implementations**:
 ///- Windows
@@ -102,6 +103,40 @@ abstract class PlatformWebViewEnvironment extends PlatformInterface
         'create is not implemented on the current platform');
   }
 
+  ///{@template flutter_inappwebview_platform_interface.PlatformWebViewEnvironment.getAvailableVersion}
+  ///Get the browser version info including channel name if it is not the WebView2 Runtime.
+  ///
+  ///Channel names are Beta, Dev, and Canary.
+  ///If an override exists for the browserExecutableFolder or the channel preference, the override is used.
+  ///If an override is not specified, then the parameter value passed to [getAvailableVersion] is used.
+  ///Returns `null` if it fails to find an installed WebView2 runtime or non-stable Microsoft Edge installation.
+  ///
+  ///**Officially Supported Platforms/Implementations**:
+  ///- Windows ([Official API - GetAvailableCoreWebView2BrowserVersionString](https://learn.microsoft.com/en-us/microsoft-edge/webview2/reference/win32/webview2-idl?view=webview2-1.0.2210.55#comparebrowserversions))
+  ///{@endtemplate}
+  Future<String?> getAvailableVersion(
+      {String? browserExecutableFolder}) {
+    throw UnimplementedError(
+        'getAvailableVersion is not implemented on the current platform');
+  }
+
+  ///{@template flutter_inappwebview_platform_interface.PlatformWebViewEnvironment.compareBrowserVersions}
+  ///This method is for anyone want to compare version correctly to determine which version is newer, older or same.
+  ///
+  ///Use it to determine whether to use webview2 or certain feature based upon version.
+  ///Sets the value of result to `-1`, `0` or `1` if version1 is less than, equal or greater than version2 respectively.
+  ///Returns `null` if it fails to parse any of the version strings.
+  ///Directly use the version info obtained from [getAvailableVersion] with input, channel information is ignored.
+  ///
+  ///**Officially Supported Platforms/Implementations**:
+  ///- Windows ([Official API - CompareBrowserVersions](https://learn.microsoft.com/en-us/microsoft-edge/webview2/reference/win32/webview2-idl?view=webview2-1.0.2210.55#comparebrowserversions))
+  ///{@endtemplate}
+  Future<int?> compareBrowserVersions(
+      {required String version1, required String version2}) {
+    throw UnimplementedError(
+        'compareBrowserVersions is not implemented on the current platform');
+  }
+
   ///{@template flutter_inappwebview_platform_interface.PlatformWebViewEnvironment.dispose}
   ///Disposes the WebView Environment reference.
   ///{@endtemplate}

flutter_inappwebview_windows/lib/src/cookie_manager.dart

@@ -221,14 +221,6 @@ class WindowsCookieManager extends PlatformCookieManager
     return await channel?.invokeMethod<bool>('deleteAllCookies', args) ?? false;
   }
 
-  @override
-  Future<bool> removeSessionCookies() async {
-    Map<String, dynamic> args = <String, dynamic>{};
-    args.putIfAbsent('webViewEnvironmentId', () => params.webViewEnvironment?.id);
-    return await channel?.invokeMethod<bool>('removeSessionCookies', args) ??
-        false;
-  }
-
   @override
   void dispose() {
     // empty

flutter_inappwebview_windows/lib/src/find_interaction/find_interaction_controller.dart

@@ -8,18 +8,18 @@ import 'package:flutter_inappwebview_platform_interface/flutter_inappwebview_pla
 /// value to avoid breaking changes. See [PlatformFindInteractionControllerCreationParams] for
 /// more information.
 @immutable
-class MacOSFindInteractionControllerCreationParams
+class WindowsFindInteractionControllerCreationParams
     extends PlatformFindInteractionControllerCreationParams {
-  /// Creates a new [MacOSFindInteractionControllerCreationParams] instance.
+  /// Creates a new [WindowsFindInteractionControllerCreationParams] instance.
-  const MacOSFindInteractionControllerCreationParams(
+  const WindowsFindInteractionControllerCreationParams(
       {super.onFindResultReceived});
 
-  /// Creates a [MacOSFindInteractionControllerCreationParams] instance based on [PlatformFindInteractionControllerCreationParams].
+  /// Creates a [WindowsFindInteractionControllerCreationParams] instance based on [PlatformFindInteractionControllerCreationParams].
-  factory MacOSFindInteractionControllerCreationParams.fromPlatformFindInteractionControllerCreationParams(
+  factory WindowsFindInteractionControllerCreationParams.fromPlatformFindInteractionControllerCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformFindInteractionControllerCreationParams params) {
-    return MacOSFindInteractionControllerCreationParams(
+    return WindowsFindInteractionControllerCreationParams(
         onFindResultReceived: params.onFindResultReceived);
   }
 }
@@ -31,9 +31,9 @@ class WindowsFindInteractionController extends PlatformFindInteractionController
   WindowsFindInteractionController(
       PlatformFindInteractionControllerCreationParams params)
       : super.implementation(
-          params is MacOSFindInteractionControllerCreationParams
+          params is WindowsFindInteractionControllerCreationParams
               ? params
-              : MacOSFindInteractionControllerCreationParams
+              : WindowsFindInteractionControllerCreationParams
                   .fromPlatformFindInteractionControllerCreationParams(params),
         );
 

flutter_inappwebview_windows/lib/src/http_auth_credentials_database.dart

@@ -3,38 +3,38 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_inappwebview_platform_interface/flutter_inappwebview_platform_interface.dart';
 
-/// Object specifying creation parameters for creating a [MacOSHttpAuthCredentialDatabase].
+/// Object specifying creation parameters for creating a [WindowsHttpAuthCredentialDatabase].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformHttpAuthCredentialDatabaseCreationParams] for
 /// more information.
 @immutable
-class MacOSHttpAuthCredentialDatabaseCreationParams
+class WindowsHttpAuthCredentialDatabaseCreationParams
     extends PlatformHttpAuthCredentialDatabaseCreationParams {
-  /// Creates a new [MacOSHttpAuthCredentialDatabaseCreationParams] instance.
+  /// Creates a new [WindowsHttpAuthCredentialDatabaseCreationParams] instance.
-  const MacOSHttpAuthCredentialDatabaseCreationParams(
+  const WindowsHttpAuthCredentialDatabaseCreationParams(
     // This parameter prevents breaking changes later.
     // ignore: avoid_unused_constructor_parameters
     PlatformHttpAuthCredentialDatabaseCreationParams params,
   ) : super();
 
-  /// Creates a [MacOSHttpAuthCredentialDatabaseCreationParams] instance based on [PlatformHttpAuthCredentialDatabaseCreationParams].
+  /// Creates a [WindowsHttpAuthCredentialDatabaseCreationParams] instance based on [PlatformHttpAuthCredentialDatabaseCreationParams].
-  factory MacOSHttpAuthCredentialDatabaseCreationParams.fromPlatformHttpAuthCredentialDatabaseCreationParams(
+  factory WindowsHttpAuthCredentialDatabaseCreationParams.fromPlatformHttpAuthCredentialDatabaseCreationParams(
       PlatformHttpAuthCredentialDatabaseCreationParams params) {
-    return MacOSHttpAuthCredentialDatabaseCreationParams(params);
+    return WindowsHttpAuthCredentialDatabaseCreationParams(params);
   }
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformHttpAuthCredentialDatabase}
-class MacOSHttpAuthCredentialDatabase extends PlatformHttpAuthCredentialDatabase
+class WindowsHttpAuthCredentialDatabase extends PlatformHttpAuthCredentialDatabase
     with ChannelController {
-  /// Creates a new [MacOSHttpAuthCredentialDatabase].
+  /// Creates a new [WindowsHttpAuthCredentialDatabase].
-  MacOSHttpAuthCredentialDatabase(
+  WindowsHttpAuthCredentialDatabase(
       PlatformHttpAuthCredentialDatabaseCreationParams params)
       : super.implementation(
-          params is MacOSHttpAuthCredentialDatabaseCreationParams
+          params is WindowsHttpAuthCredentialDatabaseCreationParams
               ? params
-              : MacOSHttpAuthCredentialDatabaseCreationParams
+              : WindowsHttpAuthCredentialDatabaseCreationParams
                   .fromPlatformHttpAuthCredentialDatabaseCreationParams(params),
         ) {
     channel = const MethodChannel(
@@ -43,16 +43,16 @@ class MacOSHttpAuthCredentialDatabase extends PlatformHttpAuthCredentialDatabase
     initMethodCallHandler();
   }
 
-  static MacOSHttpAuthCredentialDatabase? _instance;
+  static WindowsHttpAuthCredentialDatabase? _instance;
 
   ///Gets the database shared instance.
-  static MacOSHttpAuthCredentialDatabase instance() {
+  static WindowsHttpAuthCredentialDatabase instance() {
     return (_instance != null) ? _instance! : _init();
   }
 
-  static MacOSHttpAuthCredentialDatabase _init() {
+  static WindowsHttpAuthCredentialDatabase _init() {
-    _instance = MacOSHttpAuthCredentialDatabase(
+    _instance = WindowsHttpAuthCredentialDatabase(
-        MacOSHttpAuthCredentialDatabaseCreationParams(
+        WindowsHttpAuthCredentialDatabaseCreationParams(
             const PlatformHttpAuthCredentialDatabaseCreationParams()));
     return _instance!;
   }
@@ -150,6 +150,6 @@ class MacOSHttpAuthCredentialDatabase extends PlatformHttpAuthCredentialDatabase
 }
 
 extension InternalHttpAuthCredentialDatabase
-    on MacOSHttpAuthCredentialDatabase {
+    on WindowsHttpAuthCredentialDatabase {
   get handleMethod => _handleMethod;
 }

flutter_inappwebview_windows/lib/src/in_app_webview/in_app_webview_controller.dart

@@ -75,7 +75,7 @@ class WindowsInAppWebViewController extends PlatformInAppWebViewController
   Set<String> _webMessageListenerObjNames = Set();
   Map<String, ScriptHtmlTagAttributes> _injectedScriptsFromURL = {};
   Set<WindowsWebMessageChannel> _webMessageChannels = Set();
-  Set<MacOSWebMessageListener> _webMessageListeners = Set();
+  Set<WindowsWebMessageListener> _webMessageListeners = Set();
 
   // static map that contains the properties to be saved and restored for keep alive feature
   static final Map<InAppWebViewKeepAlive, InAppWebViewControllerKeepAliveProps?>
@@ -89,7 +89,7 @@ class WindowsInAppWebViewController extends PlatformInAppWebViewController
   dynamic _controllerFromPlatform;
 
   @override
-  late MacOSWebStorage webStorage;
+  late WindowsWebStorage webStorage;
 
   WindowsInAppWebViewController(
       PlatformInAppWebViewControllerCreationParams params)
@@ -161,9 +161,9 @@ class WindowsInAppWebViewController extends PlatformInAppWebViewController
     _controllerFromPlatform =
         params.webviewParams?.controllerFromPlatform?.call(this) ?? this;
 
-    webStorage = MacOSWebStorage(MacOSWebStorageCreationParams(
+    webStorage = WindowsWebStorage(WindowsWebStorageCreationParams(
-        localStorage: MacOSLocalStorage.defaultStorage(controller: this),
+        localStorage: WindowsLocalStorage.defaultStorage(controller: this),
-        sessionStorage: MacOSSessionStorage.defaultStorage(controller: this)));
+        sessionStorage: WindowsSessionStorage.defaultStorage(controller: this)));
 
     if (params.webviewParams is PlatformInAppWebViewWidgetCreationParams) {
       final keepAlive =
@@ -189,7 +189,7 @@ class WindowsInAppWebViewController extends PlatformInAppWebViewController
           _webMessageChannels =
               props.webMessageChannels as Set<WindowsWebMessageChannel>;
           _webMessageListeners =
-              props.webMessageListeners as Set<MacOSWebMessageListener>;
+              props.webMessageListeners as Set<WindowsWebMessageListener>;
         }
       }
     }
@@ -1311,9 +1311,9 @@ class WindowsInAppWebViewController extends PlatformInAppWebViewController
           String? url = call.arguments["url"];
           String? printJobId = call.arguments["printJobId"];
           WebUri? uri = url != null ? WebUri(url) : null;
-          MacOSPrintJobController? printJob = printJobId != null
+          WindowsPrintJobController? printJob = printJobId != null
-              ? MacOSPrintJobController(
+              ? WindowsPrintJobController(
-                  MacOSPrintJobControllerCreationParams(id: printJobId))
+                  WindowsPrintJobControllerCreationParams(id: printJobId))
               : null;
 
           if (webviewParams != null) {
@@ -2139,14 +2139,14 @@ class WindowsInAppWebViewController extends PlatformInAppWebViewController
   }
 
   @override
-  Future<MacOSPrintJobController?> printCurrentPage(
+  Future<WindowsPrintJobController?> printCurrentPage(
       {PrintJobSettings? settings}) async {
     Map<String, dynamic> args = <String, dynamic>{};
     args.putIfAbsent("settings", () => settings?.toMap());
     String? jobId =
         await channel?.invokeMethod<String?>('printCurrentPage', args);
     if (jobId != null) {
-      return MacOSPrintJobController(
+      return WindowsPrintJobController(
           PlatformPrintJobControllerCreationParams(id: jobId));
     }
     return null;
@@ -2494,7 +2494,7 @@ class WindowsInAppWebViewController extends PlatformInAppWebViewController
         !_webMessageListenerObjNames
             .contains(webMessageListener.params.jsObjectName),
         "jsObjectName ${webMessageListener.params.jsObjectName} was already added.");
-    _webMessageListeners.add(webMessageListener as MacOSWebMessageListener);
+    _webMessageListeners.add(webMessageListener as WindowsWebMessageListener);
     _webMessageListenerObjNames.add(webMessageListener.params.jsObjectName);
 
     Map<String, dynamic> args = <String, dynamic>{};

flutter_inappwebview_windows/lib/src/inappwebview_platform.dart

@@ -6,6 +6,7 @@ import 'in_app_webview/in_app_webview.dart';
 import 'in_app_webview/in_app_webview_controller.dart';
 import 'in_app_webview/headless_in_app_webview.dart';
 import 'webview_environment/webview_environment.dart';
+import 'web_storage/web_storage.dart';
 
 /// Implementation of [InAppWebViewPlatform] using the WebKit API.
 class WindowsInAppWebViewPlatform extends InAppWebViewPlatform {
@@ -107,4 +108,37 @@ class WindowsInAppWebViewPlatform extends InAppWebViewPlatform {
   WindowsWebViewEnvironment createPlatformWebViewEnvironmentStatic() {
     return WindowsWebViewEnvironment.static();
   }
+
+  /// Creates a new [WindowsWebStorage].
+  ///
+  /// This function should only be called by the app-facing package.
+  /// Look at using [WebStorage] in `flutter_inappwebview` instead.
+  @override
+  WindowsWebStorage createPlatformWebStorage(
+      PlatformWebStorageCreationParams params,
+      ) {
+    return WindowsWebStorage(params);
+  }
+
+  /// Creates a new [WindowsLocalStorage].
+  ///
+  /// This function should only be called by the app-facing package.
+  /// Look at using [LocalStorage] in `flutter_inappwebview` instead.
+  @override
+  WindowsLocalStorage createPlatformLocalStorage(
+      PlatformLocalStorageCreationParams params,
+      ) {
+    return WindowsLocalStorage(params);
+  }
+
+  /// Creates a new [WindowsSessionStorage].
+  ///
+  /// This function should only be called by the app-facing package.
+  /// Look at using [SessionStorage] in `flutter_inappwebview` instead.
+  @override
+  WindowsSessionStorage createPlatformSessionStorage(
+      PlatformSessionStorageCreationParams params,
+      ) {
+    return WindowsSessionStorage(params);
+  }
 }

flutter_inappwebview_windows/lib/src/print_job/print_job_controller.dart

@@ -2,37 +2,37 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_inappwebview_platform_interface/flutter_inappwebview_platform_interface.dart';
 
-/// Object specifying creation parameters for creating a [MacOSPrintJobController].
+/// Object specifying creation parameters for creating a [WindowsPrintJobController].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformPrintJobControllerCreationParams] for
 /// more information.
 @immutable
-class MacOSPrintJobControllerCreationParams
+class WindowsPrintJobControllerCreationParams
     extends PlatformPrintJobControllerCreationParams {
-  /// Creates a new [MacOSPrintJobControllerCreationParams] instance.
+  /// Creates a new [WindowsPrintJobControllerCreationParams] instance.
-  const MacOSPrintJobControllerCreationParams(
+  const WindowsPrintJobControllerCreationParams(
       {required super.id, super.onComplete});
 
-  /// Creates a [MacOSPrintJobControllerCreationParams] instance based on [PlatformPrintJobControllerCreationParams].
+  /// Creates a [WindowsPrintJobControllerCreationParams] instance based on [PlatformPrintJobControllerCreationParams].
-  factory MacOSPrintJobControllerCreationParams.fromPlatformPrintJobControllerCreationParams(
+  factory WindowsPrintJobControllerCreationParams.fromPlatformPrintJobControllerCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformPrintJobControllerCreationParams params) {
-    return MacOSPrintJobControllerCreationParams(
+    return WindowsPrintJobControllerCreationParams(
         id: params.id, onComplete: params.onComplete);
   }
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformPrintJobController}
-class MacOSPrintJobController extends PlatformPrintJobController
+class WindowsPrintJobController extends PlatformPrintJobController
     with ChannelController {
-  /// Constructs a [MacOSPrintJobController].
+  /// Constructs a [WindowsPrintJobController].
-  MacOSPrintJobController(PlatformPrintJobControllerCreationParams params)
+  WindowsPrintJobController(PlatformPrintJobControllerCreationParams params)
       : super.implementation(
-          params is MacOSPrintJobControllerCreationParams
+          params is WindowsPrintJobControllerCreationParams
               ? params
-              : MacOSPrintJobControllerCreationParams
+              : WindowsPrintJobControllerCreationParams
                   .fromPlatformPrintJobControllerCreationParams(params),
         ) {
     onComplete = params.onComplete;

flutter_inappwebview_windows/lib/src/web_message/web_message_channel.dart

@@ -9,18 +9,18 @@ import 'web_message_port.dart';
 /// value to avoid breaking changes. See [PlatformWebMessageChannelCreationParams] for
 /// more information.
 @immutable
-class MacOSWebMessageChannelCreationParams
+class WindowsWebMessageChannelCreationParams
     extends PlatformWebMessageChannelCreationParams {
-  /// Creates a new [MacOSWebMessageChannelCreationParams] instance.
+  /// Creates a new [WindowsWebMessageChannelCreationParams] instance.
-  const MacOSWebMessageChannelCreationParams(
+  const WindowsWebMessageChannelCreationParams(
       {required super.id, required super.port1, required super.port2});
 
-  /// Creates a [MacOSWebMessageChannelCreationParams] instance based on [PlatformWebMessageChannelCreationParams].
+  /// Creates a [WindowsWebMessageChannelCreationParams] instance based on [PlatformWebMessageChannelCreationParams].
-  factory MacOSWebMessageChannelCreationParams.fromPlatformWebMessageChannelCreationParams(
+  factory WindowsWebMessageChannelCreationParams.fromPlatformWebMessageChannelCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformWebMessageChannelCreationParams params) {
-    return MacOSWebMessageChannelCreationParams(
+    return WindowsWebMessageChannelCreationParams(
         id: params.id, port1: params.port1, port2: params.port2);
   }
 
@@ -36,9 +36,9 @@ class WindowsWebMessageChannel extends PlatformWebMessageChannel
   /// Constructs a [WindowsWebMessageChannel].
   WindowsWebMessageChannel(PlatformWebMessageChannelCreationParams params)
       : super.implementation(
-          params is MacOSWebMessageChannelCreationParams
+          params is WindowsWebMessageChannelCreationParams
               ? params
-              : MacOSWebMessageChannelCreationParams
+              : WindowsWebMessageChannelCreationParams
                   .fromPlatformWebMessageChannelCreationParams(params),
         ) {
     channel = MethodChannel(
@@ -48,33 +48,33 @@ class WindowsWebMessageChannel extends PlatformWebMessageChannel
   }
 
   static final WindowsWebMessageChannel _staticValue = WindowsWebMessageChannel(
-      MacOSWebMessageChannelCreationParams(
+      WindowsWebMessageChannelCreationParams(
           id: '',
           port1:
-              MacOSWebMessagePort(MacOSWebMessagePortCreationParams(index: 0)),
+              WindowsWebMessagePort(WindowsWebMessagePortCreationParams(index: 0)),
-          port2: MacOSWebMessagePort(
+          port2: WindowsWebMessagePort(
-              MacOSWebMessagePortCreationParams(index: 1))));
+              WindowsWebMessagePortCreationParams(index: 1))));
 
   /// Provide static access.
   factory WindowsWebMessageChannel.static() {
     return _staticValue;
   }
 
-  MacOSWebMessagePort get _macosPort1 => port1 as MacOSWebMessagePort;
+  WindowsWebMessagePort get _macosPort1 => port1 as WindowsWebMessagePort;
 
-  MacOSWebMessagePort get _macosPort2 => port2 as MacOSWebMessagePort;
+  WindowsWebMessagePort get _macosPort2 => port2 as WindowsWebMessagePort;
 
   static WindowsWebMessageChannel? _fromMap(Map<String, dynamic>? map) {
     if (map == null) {
       return null;
     }
     var webMessageChannel = WindowsWebMessageChannel(
-        MacOSWebMessageChannelCreationParams(
+        WindowsWebMessageChannelCreationParams(
             id: map["id"],
-            port1: MacOSWebMessagePort(
+            port1: WindowsWebMessagePort(
-                MacOSWebMessagePortCreationParams(index: 0)),
+                WindowsWebMessagePortCreationParams(index: 0)),
-            port2: MacOSWebMessagePort(
+            port2: WindowsWebMessagePort(
-                MacOSWebMessagePortCreationParams(index: 1))));
+                WindowsWebMessagePortCreationParams(index: 1))));
     webMessageChannel._macosPort1.webMessageChannel = webMessageChannel;
     webMessageChannel._macosPort2.webMessageChannel = webMessageChannel;
     return webMessageChannel;

flutter_inappwebview_windows/lib/src/web_message/web_message_listener.dart

@@ -2,26 +2,26 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_inappwebview_platform_interface/flutter_inappwebview_platform_interface.dart';
 
-/// Object specifying creation parameters for creating a [MacOSWebMessageListener].
+/// Object specifying creation parameters for creating a [WindowsWebMessageListener].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformWebMessageListenerCreationParams] for
 /// more information.
 @immutable
-class MacOSWebMessageListenerCreationParams
+class WindowsWebMessageListenerCreationParams
     extends PlatformWebMessageListenerCreationParams {
-  /// Creates a new [MacOSWebMessageListenerCreationParams] instance.
+  /// Creates a new [WindowsWebMessageListenerCreationParams] instance.
-  const MacOSWebMessageListenerCreationParams(
+  const WindowsWebMessageListenerCreationParams(
       {required this.allowedOriginRules,
       required super.jsObjectName,
       super.onPostMessage});
 
-  /// Creates a [MacOSWebMessageListenerCreationParams] instance based on [PlatformWebMessageListenerCreationParams].
+  /// Creates a [WindowsWebMessageListenerCreationParams] instance based on [PlatformWebMessageListenerCreationParams].
-  factory MacOSWebMessageListenerCreationParams.fromPlatformWebMessageListenerCreationParams(
+  factory WindowsWebMessageListenerCreationParams.fromPlatformWebMessageListenerCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformWebMessageListenerCreationParams params) {
-    return MacOSWebMessageListenerCreationParams(
+    return WindowsWebMessageListenerCreationParams(
         allowedOriginRules: params.allowedOriginRules ?? Set.from(["*"]),
         jsObjectName: params.jsObjectName,
         onPostMessage: params.onPostMessage);
@@ -37,14 +37,14 @@ class MacOSWebMessageListenerCreationParams
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformWebMessageListener}
-class MacOSWebMessageListener extends PlatformWebMessageListener
+class WindowsWebMessageListener extends PlatformWebMessageListener
     with ChannelController {
-  /// Constructs a [MacOSWebMessageListener].
+  /// Constructs a [WindowsWebMessageListener].
-  MacOSWebMessageListener(PlatformWebMessageListenerCreationParams params)
+  WindowsWebMessageListener(PlatformWebMessageListenerCreationParams params)
       : super.implementation(
-          params is MacOSWebMessageListenerCreationParams
+          params is WindowsWebMessageListenerCreationParams
               ? params
-              : MacOSWebMessageListenerCreationParams
+              : WindowsWebMessageListenerCreationParams
                   .fromPlatformWebMessageListenerCreationParams(params),
         ) {
     assert(!this._macosParams.allowedOriginRules.contains(""),
@@ -60,8 +60,8 @@ class MacOSWebMessageListener extends PlatformWebMessageListener
 
   MacOSJavaScriptReplyProxy? _replyProxy;
 
-  MacOSWebMessageListenerCreationParams get _macosParams =>
+  WindowsWebMessageListenerCreationParams get _macosParams =>
-      params as MacOSWebMessageListenerCreationParams;
+      params as WindowsWebMessageListenerCreationParams;
 
   Future<dynamic> _handleMethod(MethodCall call) async {
     switch (call.method) {
@@ -138,7 +138,7 @@ class MacOSJavaScriptReplyProxyCreationParams
 
 ///{@macro flutter_inappwebview_platform_interface.JavaScriptReplyProxy}
 class MacOSJavaScriptReplyProxy extends PlatformJavaScriptReplyProxy {
-  /// Constructs a [MacOSWebMessageListener].
+  /// Constructs a [WindowsWebMessageListener].
   MacOSJavaScriptReplyProxy(PlatformJavaScriptReplyProxyCreationParams params)
       : super.implementation(
           params is MacOSJavaScriptReplyProxyCreationParams
@@ -147,8 +147,8 @@ class MacOSJavaScriptReplyProxy extends PlatformJavaScriptReplyProxy {
                   .fromPlatformJavaScriptReplyProxyCreationParams(params),
         );
 
-  MacOSWebMessageListener get _macosWebMessageListener =>
+  WindowsWebMessageListener get _macosWebMessageListener =>
-      params.webMessageListener as MacOSWebMessageListener;
+      params.webMessageListener as WindowsWebMessageListener;
 
   @override
   Future<void> postMessage(WebMessage message) async {

flutter_inappwebview_windows/lib/src/web_message/web_message_port.dart

@@ -3,23 +3,23 @@ import 'package:flutter_inappwebview_platform_interface/flutter_inappwebview_pla
 
 import 'web_message_channel.dart';
 
-/// Object specifying creation parameters for creating a [MacOSWebMessagePort].
+/// Object specifying creation parameters for creating a [WindowsWebMessagePort].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformWebMessagePortCreationParams] for
 /// more information.
 @immutable
-class MacOSWebMessagePortCreationParams
+class WindowsWebMessagePortCreationParams
     extends PlatformWebMessagePortCreationParams {
-  /// Creates a new [MacOSWebMessagePortCreationParams] instance.
+  /// Creates a new [WindowsWebMessagePortCreationParams] instance.
-  const MacOSWebMessagePortCreationParams({required super.index});
+  const WindowsWebMessagePortCreationParams({required super.index});
 
-  /// Creates a [MacOSWebMessagePortCreationParams] instance based on [PlatformWebMessagePortCreationParams].
+  /// Creates a [WindowsWebMessagePortCreationParams] instance based on [PlatformWebMessagePortCreationParams].
-  factory MacOSWebMessagePortCreationParams.fromPlatformWebMessagePortCreationParams(
+  factory WindowsWebMessagePortCreationParams.fromPlatformWebMessagePortCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformWebMessagePortCreationParams params) {
-    return MacOSWebMessagePortCreationParams(index: params.index);
+    return WindowsWebMessagePortCreationParams(index: params.index);
   }
 
   @override
@@ -29,16 +29,16 @@ class MacOSWebMessagePortCreationParams
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformWebMessagePort}
-class MacOSWebMessagePort extends PlatformWebMessagePort {
+class WindowsWebMessagePort extends PlatformWebMessagePort {
   WebMessageCallback? _onMessage;
   late WindowsWebMessageChannel _webMessageChannel;
 
-  /// Constructs a [MacOSWebMessagePort].
+  /// Constructs a [WindowsWebMessagePort].
-  MacOSWebMessagePort(PlatformWebMessagePortCreationParams params)
+  WindowsWebMessagePort(PlatformWebMessagePortCreationParams params)
       : super.implementation(
-          params is MacOSWebMessagePortCreationParams
+          params is WindowsWebMessagePortCreationParams
               ? params
-              : MacOSWebMessagePortCreationParams
+              : WindowsWebMessagePortCreationParams
                   .fromPlatformWebMessagePortCreationParams(params),
         );
 
@@ -85,7 +85,7 @@ class MacOSWebMessagePort extends PlatformWebMessagePort {
   }
 }
 
-extension InternalWebMessagePort on MacOSWebMessagePort {
+extension InternalWebMessagePort on WindowsWebMessagePort {
   WebMessageCallback? get onMessage => _onMessage;
   void set onMessage(WebMessageCallback? value) => _onMessage = value;
 

flutter_inappwebview_windows/lib/src/web_storage/web_storage.dart

@@ -4,35 +4,35 @@ import 'package:flutter_inappwebview_platform_interface/flutter_inappwebview_pla
 
 import '../in_app_webview/in_app_webview_controller.dart';
 
-/// Object specifying creation parameters for creating a [MacOSWebStorage].
+/// Object specifying creation parameters for creating a [WindowsWebStorage].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformWebStorageCreationParams] for
 /// more information.
-class MacOSWebStorageCreationParams extends PlatformWebStorageCreationParams {
+class WindowsWebStorageCreationParams extends PlatformWebStorageCreationParams {
-  /// Creates a new [MacOSWebStorageCreationParams] instance.
+  /// Creates a new [WindowsWebStorageCreationParams] instance.
-  MacOSWebStorageCreationParams(
+  WindowsWebStorageCreationParams(
       {required super.localStorage, required super.sessionStorage});
 
-  /// Creates a [MacOSWebStorageCreationParams] instance based on [PlatformWebStorageCreationParams].
+  /// Creates a [WindowsWebStorageCreationParams] instance based on [PlatformWebStorageCreationParams].
-  factory MacOSWebStorageCreationParams.fromPlatformWebStorageCreationParams(
+  factory WindowsWebStorageCreationParams.fromPlatformWebStorageCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformWebStorageCreationParams params) {
-    return MacOSWebStorageCreationParams(
+    return WindowsWebStorageCreationParams(
         localStorage: params.localStorage,
         sessionStorage: params.sessionStorage);
   }
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformWebStorage}
-class MacOSWebStorage extends PlatformWebStorage {
+class WindowsWebStorage extends PlatformWebStorage {
-  /// Constructs a [MacOSWebStorage].
+  /// Constructs a [WindowsWebStorage].
-  MacOSWebStorage(PlatformWebStorageCreationParams params)
+  WindowsWebStorage(PlatformWebStorageCreationParams params)
       : super.implementation(
-          params is MacOSWebStorageCreationParams
+          params is WindowsWebStorageCreationParams
               ? params
-              : MacOSWebStorageCreationParams
+              : WindowsWebStorageCreationParams
                   .fromPlatformWebStorageCreationParams(params),
         );
 
@@ -49,28 +49,28 @@ class MacOSWebStorage extends PlatformWebStorage {
   }
 }
 
-/// Object specifying creation parameters for creating a [MacOSStorage].
+/// Object specifying creation parameters for creating a [WindowsStorage].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformStorageCreationParams] for
 /// more information.
-class MacOSStorageCreationParams extends PlatformStorageCreationParams {
+class WindowsStorageCreationParams extends PlatformStorageCreationParams {
-  /// Creates a new [MacOSStorageCreationParams] instance.
+  /// Creates a new [WindowsStorageCreationParams] instance.
-  MacOSStorageCreationParams(
+  WindowsStorageCreationParams(
       {required super.controller, required super.webStorageType});
 
-  /// Creates a [MacOSStorageCreationParams] instance based on [PlatformStorageCreationParams].
+  /// Creates a [WindowsStorageCreationParams] instance based on [PlatformStorageCreationParams].
-  factory MacOSStorageCreationParams.fromPlatformStorageCreationParams(
+  factory WindowsStorageCreationParams.fromPlatformStorageCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformStorageCreationParams params) {
-    return MacOSStorageCreationParams(
+    return WindowsStorageCreationParams(
         controller: params.controller, webStorageType: params.webStorageType);
   }
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformStorage}
-abstract class MacOSStorage implements PlatformStorage {
+abstract class WindowsStorage implements PlatformStorage {
   @override
   WindowsInAppWebViewController? controller;
 
@@ -168,40 +168,40 @@ abstract class MacOSStorage implements PlatformStorage {
   }
 }
 
-/// Object specifying creation parameters for creating a [MacOSLocalStorage].
+/// Object specifying creation parameters for creating a [WindowsLocalStorage].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformLocalStorageCreationParams] for
 /// more information.
-class MacOSLocalStorageCreationParams
+class WindowsLocalStorageCreationParams
     extends PlatformLocalStorageCreationParams {
-  /// Creates a new [MacOSLocalStorageCreationParams] instance.
+  /// Creates a new [WindowsLocalStorageCreationParams] instance.
-  MacOSLocalStorageCreationParams(super.params);
+  WindowsLocalStorageCreationParams(super.params);
 
-  /// Creates a [MacOSLocalStorageCreationParams] instance based on [PlatformLocalStorageCreationParams].
+  /// Creates a [WindowsLocalStorageCreationParams] instance based on [PlatformLocalStorageCreationParams].
-  factory MacOSLocalStorageCreationParams.fromPlatformLocalStorageCreationParams(
+  factory WindowsLocalStorageCreationParams.fromPlatformLocalStorageCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformLocalStorageCreationParams params) {
-    return MacOSLocalStorageCreationParams(params);
+    return WindowsLocalStorageCreationParams(params);
   }
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformLocalStorage}
-class MacOSLocalStorage extends PlatformLocalStorage with MacOSStorage {
+class WindowsLocalStorage extends PlatformLocalStorage with WindowsStorage {
-  /// Constructs a [MacOSLocalStorage].
+  /// Constructs a [WindowsLocalStorage].
-  MacOSLocalStorage(PlatformLocalStorageCreationParams params)
+  WindowsLocalStorage(PlatformLocalStorageCreationParams params)
       : super.implementation(
-          params is MacOSLocalStorageCreationParams
+          params is WindowsLocalStorageCreationParams
               ? params
-              : MacOSLocalStorageCreationParams
+              : WindowsLocalStorageCreationParams
                   .fromPlatformLocalStorageCreationParams(params),
         );
 
   /// Default storage
-  factory MacOSLocalStorage.defaultStorage(
+  factory WindowsLocalStorage.defaultStorage(
       {required PlatformInAppWebViewController? controller}) {
-    return MacOSLocalStorage(MacOSLocalStorageCreationParams(
+    return WindowsLocalStorage(WindowsLocalStorageCreationParams(
         PlatformLocalStorageCreationParams(PlatformStorageCreationParams(
             controller: controller,
             webStorageType: WebStorageType.LOCAL_STORAGE))));
@@ -212,40 +212,40 @@ class MacOSLocalStorage extends PlatformLocalStorage with MacOSStorage {
       params.controller as WindowsInAppWebViewController?;
 }
 
-/// Object specifying creation parameters for creating a [MacOSSessionStorage].
+/// Object specifying creation parameters for creating a [WindowsSessionStorage].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformSessionStorageCreationParams] for
 /// more information.
-class MacOSSessionStorageCreationParams
+class WindowsSessionStorageCreationParams
     extends PlatformSessionStorageCreationParams {
-  /// Creates a new [MacOSSessionStorageCreationParams] instance.
+  /// Creates a new [WindowsSessionStorageCreationParams] instance.
-  MacOSSessionStorageCreationParams(super.params);
+  WindowsSessionStorageCreationParams(super.params);
 
-  /// Creates a [MacOSSessionStorageCreationParams] instance based on [PlatformSessionStorageCreationParams].
+  /// Creates a [WindowsSessionStorageCreationParams] instance based on [PlatformSessionStorageCreationParams].
-  factory MacOSSessionStorageCreationParams.fromPlatformSessionStorageCreationParams(
+  factory WindowsSessionStorageCreationParams.fromPlatformSessionStorageCreationParams(
       // Recommended placeholder to prevent being broken by platform interface.
       // ignore: avoid_unused_constructor_parameters
       PlatformSessionStorageCreationParams params) {
-    return MacOSSessionStorageCreationParams(params);
+    return WindowsSessionStorageCreationParams(params);
   }
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformSessionStorage}
-class MacOSSessionStorage extends PlatformSessionStorage with MacOSStorage {
+class WindowsSessionStorage extends PlatformSessionStorage with WindowsStorage {
-  /// Constructs a [MacOSSessionStorage].
+  /// Constructs a [WindowsSessionStorage].
-  MacOSSessionStorage(PlatformSessionStorageCreationParams params)
+  WindowsSessionStorage(PlatformSessionStorageCreationParams params)
       : super.implementation(
-          params is MacOSSessionStorageCreationParams
+          params is WindowsSessionStorageCreationParams
               ? params
-              : MacOSSessionStorageCreationParams
+              : WindowsSessionStorageCreationParams
                   .fromPlatformSessionStorageCreationParams(params),
         );
 
   /// Default storage
-  factory MacOSSessionStorage.defaultStorage(
+  factory WindowsSessionStorage.defaultStorage(
       {required PlatformInAppWebViewController? controller}) {
-    return MacOSSessionStorage(MacOSSessionStorageCreationParams(
+    return WindowsSessionStorage(WindowsSessionStorageCreationParams(
         PlatformSessionStorageCreationParams(PlatformStorageCreationParams(
             controller: controller,
             webStorageType: WebStorageType.SESSION_STORAGE))));

flutter_inappwebview_windows/lib/src/web_storage/web_storage_manager.dart

@@ -4,37 +4,37 @@ import 'package:flutter/foundation.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_inappwebview_platform_interface/flutter_inappwebview_platform_interface.dart';
 
-/// Object specifying creation parameters for creating a [MacOSWebStorageManager].
+/// Object specifying creation parameters for creating a [WindowsWebStorageManager].
 ///
 /// When adding additional fields make sure they can be null or have a default
 /// value to avoid breaking changes. See [PlatformWebStorageManagerCreationParams] for
 /// more information.
 @immutable
-class MacOSWebStorageManagerCreationParams
+class WindowsWebStorageManagerCreationParams
     extends PlatformWebStorageManagerCreationParams {
-  /// Creates a new [MacOSWebStorageManagerCreationParams] instance.
+  /// Creates a new [WindowsWebStorageManagerCreationParams] instance.
-  const MacOSWebStorageManagerCreationParams(
+  const WindowsWebStorageManagerCreationParams(
     // This parameter prevents breaking changes later.
     // ignore: avoid_unused_constructor_parameters
     PlatformWebStorageManagerCreationParams params,
   ) : super();
 
-  /// Creates a [MacOSWebStorageManagerCreationParams] instance based on [PlatformWebStorageManagerCreationParams].
+  /// Creates a [WindowsWebStorageManagerCreationParams] instance based on [PlatformWebStorageManagerCreationParams].
-  factory MacOSWebStorageManagerCreationParams.fromPlatformWebStorageManagerCreationParams(
+  factory WindowsWebStorageManagerCreationParams.fromPlatformWebStorageManagerCreationParams(
       PlatformWebStorageManagerCreationParams params) {
-    return MacOSWebStorageManagerCreationParams(params);
+    return WindowsWebStorageManagerCreationParams(params);
   }
 }
 
 ///{@macro flutter_inappwebview_platform_interface.PlatformWebStorageManager}
-class MacOSWebStorageManager extends PlatformWebStorageManager
+class WindowsWebStorageManager extends PlatformWebStorageManager
     with ChannelController {
-  /// Creates a new [MacOSWebStorageManager].
+  /// Creates a new [WindowsWebStorageManager].
-  MacOSWebStorageManager(PlatformWebStorageManagerCreationParams params)
+  WindowsWebStorageManager(PlatformWebStorageManagerCreationParams params)
       : super.implementation(
-          params is MacOSWebStorageManagerCreationParams
+          params is WindowsWebStorageManagerCreationParams
               ? params
-              : MacOSWebStorageManagerCreationParams
+              : WindowsWebStorageManagerCreationParams
                   .fromPlatformWebStorageManagerCreationParams(params),
         ) {
     channel = const MethodChannel(
@@ -43,15 +43,15 @@ class MacOSWebStorageManager extends PlatformWebStorageManager
     initMethodCallHandler();
   }
 
-  static MacOSWebStorageManager? _instance;
+  static WindowsWebStorageManager? _instance;
 
   ///Gets the WebStorage manager shared instance.
-  static MacOSWebStorageManager instance() {
+  static WindowsWebStorageManager instance() {
     return (_instance != null) ? _instance! : _init();
   }
 
-  static MacOSWebStorageManager _init() {
+  static WindowsWebStorageManager _init() {
-    _instance = MacOSWebStorageManager(MacOSWebStorageManagerCreationParams(
+    _instance = WindowsWebStorageManager(WindowsWebStorageManagerCreationParams(
         const PlatformWebStorageManagerCreationParams()));
     return _instance!;
   }
@@ -129,6 +129,6 @@ class MacOSWebStorageManager extends PlatformWebStorageManager
   }
 }
 
-extension InternalWebStorageManager on MacOSWebStorageManager {
+extension InternalWebStorageManager on WindowsWebStorageManager {
   get handleMethod => _handleMethod;
 }

flutter_inappwebview_windows/lib/src/webview_environment/webview_environment.dart

@@ -89,6 +89,25 @@ class WindowsWebViewEnvironment extends PlatformWebViewEnvironment
     return env;
   }
 
+  @override
+  Future<String?> getAvailableVersion(
+      {String? browserExecutableFolder}) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('browserExecutableFolder', () => browserExecutableFolder);
+    return await _staticChannel.invokeMethod<String>(
+        'getAvailableVersion', args);
+  }
+
+  @override
+  Future<int?> compareBrowserVersions(
+      {required String version1, required String version2}) async {
+    Map<String, dynamic> args = <String, dynamic>{};
+    args.putIfAbsent('version1', () => version1);
+    args.putIfAbsent('version2', () => version2);
+    return await _staticChannel.invokeMethod<int>(
+        'compareBrowserVersions', args);
+  }
+
   @override
   Future<void> dispose() async {
     Map<String, dynamic> args = <String, dynamic>{};

flutter_inappwebview_windows/windows/CMakeLists.txt

@@ -74,6 +74,7 @@ list(APPEND PLUGIN_SOURCES
   "types/size_2d.h"
   "types/rect.cpp"
   "types/rect.h"
+  "types/callbacks_complete.h"
   "types/screenshot_configuration.cpp"
   "types/screenshot_configuration.h"
   "custom_platform_view/custom_platform_view.cc"

flutter_inappwebview_windows/windows/cookie_manager.cpp

@@ -5,6 +5,7 @@
 #include <wrl/event.h>
 
 #include "cookie_manager.h"
+#include "types/callbacks_complete.h"
 #include "utils/flutter.h"
 #include "utils/log.h"
 
@@ -41,6 +42,46 @@ namespace flutter_inappwebview_plugin
               result_->Success(created);
             });
         }
+        else if (string_equals(methodName, "getCookie")) {
+          auto url = get_fl_map_value<std::string>(arguments, "url");
+          auto name = get_fl_map_value<std::string>(arguments, "name");
+          getCookie(webViewEnvironment, url, name, [result_](const flutter::EncodableValue& cookie)
+            {
+              result_->Success(cookie);
+            });
+        }
+        else if (string_equals(methodName, "getCookies")) {
+          auto url = get_fl_map_value<std::string>(arguments, "url");
+          getCookies(webViewEnvironment, url, [result_](const flutter::EncodableList& cookies)
+            {
+              result_->Success(cookies);
+            });
+        }
+        else if (string_equals(methodName, "deleteCookie")) {
+          auto url = get_fl_map_value<std::string>(arguments, "url");
+          auto name = get_fl_map_value<std::string>(arguments, "name");
+          auto path = get_fl_map_value<std::string>(arguments, "path");
+          auto domain = get_optional_fl_map_value<std::string>(arguments, "domain");
+          deleteCookie(webViewEnvironment, url, name, path, domain, [result_](const bool& deleted)
+            {
+              result_->Success(deleted);
+            });
+        }
+        else if (string_equals(methodName, "deleteCookies")) {
+          auto url = get_fl_map_value<std::string>(arguments, "url");
+          auto path = get_fl_map_value<std::string>(arguments, "path");
+          auto domain = get_optional_fl_map_value<std::string>(arguments, "domain");
+          deleteCookies(webViewEnvironment, url, path, domain, [result_](const bool& deleted)
+            {
+              result_->Success(deleted);
+            });
+        }
+        else if (string_equals(methodName, "deleteAllCookies")) {
+          deleteAllCookies(webViewEnvironment, [result_](const bool& deleted)
+            {
+              result_->Success(deleted);
+            });
+        }
         else {
           result_->NotImplemented();
         }
@@ -57,7 +98,7 @@ namespace flutter_inappwebview_plugin
     }
   }
 
-  void CookieManager::setCookie(WebViewEnvironment* webViewEnvironment, const flutter::EncodableMap& map, std::function<void(bool)> completionHandler) const
+  void CookieManager::setCookie(WebViewEnvironment* webViewEnvironment, const flutter::EncodableMap& map, std::function<void(const bool&)> completionHandler) const
   {
     if (!plugin || !plugin->webViewEnvironmentManager) {
       if (completionHandler) {
@@ -118,6 +159,188 @@ namespace flutter_inappwebview_plugin
     }
   }
 
+  void CookieManager::getCookie(WebViewEnvironment* webViewEnvironment, const std::string& url, const std::string& name, std::function<void(const flutter::EncodableValue&)> completionHandler) const
+  {
+    if (!plugin || !plugin->webViewEnvironmentManager) {
+      if (completionHandler) {
+        completionHandler(make_fl_value());
+      }
+      return;
+    }
+
+    nlohmann::json parameters = {
+      {"urls", std::vector<std::string>{url}}
+    };
+
+    auto hr = webViewEnvironment->getWebView()->CallDevToolsProtocolMethod(L"Network.getCookies", utf8_to_wide(parameters.dump()).c_str(), Callback<ICoreWebView2CallDevToolsProtocolMethodCompletedHandler>(
+      [completionHandler, name](HRESULT errorCode, LPCWSTR returnObjectAsJson)
+      {
+        if (succeededOrLog(errorCode)) {
+          nlohmann::json json = nlohmann::json::parse(wide_to_utf8(returnObjectAsJson));
+          auto jsonCookies = json["cookies"].get<std::vector<nlohmann::json>>();
+          for (auto& jsonCookie : jsonCookies) {
+            auto cookieName = jsonCookie["name"].get<std::string>();
+            if (string_equals(name, cookieName)) {
+              completionHandler(flutter::EncodableMap{
+                {"name", cookieName},
+                {"value", jsonCookie["value"].get<std::string>()},
+                {"domain", jsonCookie["domain"].get<std::string>()},
+                {"path", jsonCookie["path"].get<std::string>()},
+                {"expiresDate", jsonCookie["expires"].get<int64_t>()},
+                {"isHttpOnly", jsonCookie["httpOnly"].get<bool>()},
+                {"isSecure", jsonCookie["secure"].get<bool>()},
+                {"isSessionOnly", jsonCookie["session"].get<bool>()},
+                {"sameSite", jsonCookie.contains("sameSite") ? jsonCookie["sameSite"].get<std::string>() : make_fl_value()}
+                });
+              return S_OK;
+            }
+          }
+        }
+        if (completionHandler) {
+          completionHandler(make_fl_value());
+        }
+        return S_OK;
+      }
+    ).Get());
+
+    if (failedAndLog(hr) && completionHandler) {
+      completionHandler(make_fl_value());
+    }
+  }
+
+  void CookieManager::getCookies(WebViewEnvironment* webViewEnvironment, const std::string& url, std::function<void(const flutter::EncodableList&)> completionHandler) const
+  {
+    if (!plugin || !plugin->webViewEnvironmentManager) {
+      if (completionHandler) {
+        completionHandler({});
+      }
+      return;
+    }
+
+    nlohmann::json parameters = {
+      {"urls", std::vector<std::string>{url}}
+    };
+
+    auto hr = webViewEnvironment->getWebView()->CallDevToolsProtocolMethod(L"Network.getCookies", utf8_to_wide(parameters.dump()).c_str(), Callback<ICoreWebView2CallDevToolsProtocolMethodCompletedHandler>(
+      [completionHandler](HRESULT errorCode, LPCWSTR returnObjectAsJson)
+      {
+        std::vector<flutter::EncodableValue> cookies = {};
+        if (succeededOrLog(errorCode)) {
+          nlohmann::json json = nlohmann::json::parse(wide_to_utf8(returnObjectAsJson));
+          auto jsonCookies = json["cookies"].get<std::vector<nlohmann::json>>();
+          for (auto& jsonCookie : jsonCookies) {
+            cookies.push_back(flutter::EncodableMap{
+              {"name", jsonCookie["name"].get<std::string>()},
+              {"value", jsonCookie["value"].get<std::string>()},
+              {"domain", jsonCookie["domain"].get<std::string>()},
+              {"path", jsonCookie["path"].get<std::string>()},
+              {"expiresDate", jsonCookie["expires"].get<int64_t>()},
+              {"isHttpOnly", jsonCookie["httpOnly"].get<bool>()},
+              {"isSecure", jsonCookie["secure"].get<bool>()},
+              {"isSessionOnly", jsonCookie["session"].get<bool>()},
+              {"sameSite", jsonCookie.contains("sameSite") ? jsonCookie["sameSite"].get<std::string>() : make_fl_value()}
+              });
+          }
+        }
+        if (completionHandler) {
+          completionHandler(cookies);
+        }
+        return S_OK;
+      }
+    ).Get());
+
+    if (failedAndLog(hr) && completionHandler) {
+      completionHandler({});
+    }
+  }
+
+  void CookieManager::deleteCookie(WebViewEnvironment* webViewEnvironment, const std::string& url, const std::string& name, const std::string& path, const std::optional<std::string>& domain, std::function<void(const bool&)> completionHandler) const
+  {
+    if (!plugin || !plugin->webViewEnvironmentManager) {
+      if (completionHandler) {
+        completionHandler(false);
+      }
+      return;
+    }
+
+    nlohmann::json parameters = {
+      {"url", url},
+      {"name", name},
+      {"path", path}
+    };
+    if (domain.has_value()) {
+      parameters["domain"] = domain.value();
+    }
+
+    auto hr = webViewEnvironment->getWebView()->CallDevToolsProtocolMethod(L"Network.deleteCookies", utf8_to_wide(parameters.dump()).c_str(), Callback<ICoreWebView2CallDevToolsProtocolMethodCompletedHandler>(
+      [completionHandler](HRESULT errorCode, LPCWSTR returnObjectAsJson)
+      {
+        if (completionHandler) {
+          completionHandler(succeededOrLog(errorCode));
+        }
+        return S_OK;
+      }
+    ).Get());
+
+    if (failedAndLog(hr) && completionHandler) {
+      completionHandler(false);
+    }
+  }
+
+  void CookieManager::deleteCookies(WebViewEnvironment* webViewEnvironment, const std::string& url, const std::string& path, const std::optional<std::string>& domain, std::function<void(const bool&)> completionHandler) const
+  {
+    if (!plugin || !plugin->webViewEnvironmentManager) {
+      if (completionHandler) {
+        completionHandler(false);
+      }
+      return;
+    }
+
+    getCookies(webViewEnvironment, url, [this, webViewEnvironment, url, path, domain, completionHandler](const flutter::EncodableList& cookies)
+      {
+        auto callbacksComplete = std::make_shared<CallbacksComplete<bool>>(
+          [completionHandler](const std::vector<bool>& values)
+          {
+            if (completionHandler) {
+              completionHandler(true);
+            }
+          });
+
+        for (auto& cookie : cookies) {
+          auto cookieMap = std::get<flutter::EncodableMap>(cookie);
+          auto name = get_fl_map_value<std::string>(cookieMap, "name");
+          deleteCookie(webViewEnvironment, url, name, path, domain, [callbacksComplete](const bool& deleted)
+            {
+              callbacksComplete->addValue(deleted);
+            });
+        }
+      });
+  }
+
+  void CookieManager::deleteAllCookies(WebViewEnvironment* webViewEnvironment, std::function<void(const bool&)> completionHandler) const
+  {
+    if (!plugin || !plugin->webViewEnvironmentManager) {
+      if (completionHandler) {
+        completionHandler(false);
+      }
+      return;
+    }
+
+    auto hr = webViewEnvironment->getWebView()->CallDevToolsProtocolMethod(L"Network.clearBrowserCookies", L"{}", Callback<ICoreWebView2CallDevToolsProtocolMethodCompletedHandler>(
+      [completionHandler](HRESULT errorCode, LPCWSTR returnObjectAsJson)
+      {
+        if (completionHandler) {
+          completionHandler(succeededOrLog(errorCode));
+        }
+        return S_OK;
+      }
+    ).Get());
+
+    if (failedAndLog(hr) && completionHandler) {
+      completionHandler(false);
+    }
+  }
+
   CookieManager::~CookieManager()
   {
     debugLog("dealloc CookieManager");

flutter_inappwebview_windows/windows/cookie_manager.h

@@ -4,6 +4,7 @@
 #include <flutter/method_channel.h>
 #include <flutter/standard_message_codec.h>
 #include <functional>
+#include <optional>
 
 #include "flutter_inappwebview_windows_plugin.h"
 #include "types/channel_delegate.h"
@@ -25,7 +26,12 @@ namespace flutter_inappwebview_plugin
       const flutter::MethodCall<flutter::EncodableValue>& method_call,
       std::unique_ptr<flutter::MethodResult<flutter::EncodableValue>> result);
 
-    void setCookie(WebViewEnvironment* webViewEnvironment, const flutter::EncodableMap& map, std::function<void(bool)> completionHandler) const;
+    void setCookie(WebViewEnvironment* webViewEnvironment, const flutter::EncodableMap& map, std::function<void(const bool&)> completionHandler) const;
+    void getCookie(WebViewEnvironment* webViewEnvironment, const std::string& url, const std::string& name, std::function<void(const flutter::EncodableValue&)> completionHandler) const;
+    void getCookies(WebViewEnvironment* webViewEnvironment, const std::string& url, std::function<void(const flutter::EncodableList&)> completionHandler) const;
+    void deleteCookie(WebViewEnvironment* webViewEnvironment, const std::string& url, const std::string& name, const std::string& path, const std::optional<std::string>& domain, std::function<void(const bool&)> completionHandler) const;
+    void deleteCookies(WebViewEnvironment* webViewEnvironment, const std::string& url, const std::string& path, const std::optional<std::string>& domain, std::function<void(const bool&)> completionHandler) const;
+    void deleteAllCookies(WebViewEnvironment* webViewEnvironment, std::function<void(const bool&)> completionHandler) const;
   };
 }
 

flutter_inappwebview_windows/windows/types/callbacks_complete.h

@@ -0,0 +1,39 @@
+#ifndef FLUTTER_INAPPWEBVIEW_PLUGIN_CALLBACKS_COMPLETE_H_
+#define FLUTTER_INAPPWEBVIEW_PLUGIN_CALLBACKS_COMPLETE_H_
+
+#include <functional>
+#include <mutex>
+#include <vector>
+
+namespace flutter_inappwebview_plugin
+{
+  template<typename T>
+  class CallbacksComplete
+  {
+  public:
+    std::function<void(const std::vector<T>&)> onComplete;
+
+    CallbacksComplete(const std::function<void(const std::vector<T>&)> onComplete)
+      : onComplete(onComplete)
+    {}
+
+    ~CallbacksComplete()
+    {
+      if (onComplete) {
+        onComplete(values_);
+      }
+    }
+
+    void addValue(const T& value)
+    {
+      const std::lock_guard<std::mutex> lock(mutex_);
+      values_.push_back(value);
+    }
+
+  private:
+    std::vector<T> values_;
+    std::mutex mutex_;
+  };
+}
+
+#endif //FLUTTER_INAPPWEBVIEW_PLUGIN_CALLBACKS_COMPLETE_H_

flutter_inappwebview_windows/windows/webview_environment/webview_environment_manager.cpp

@@ -39,6 +39,15 @@ namespace flutter_inappwebview_plugin
       auto settings = settingsMap.has_value() ? std::make_unique<WebViewEnvironmentSettings>(settingsMap.value()) : nullptr;
       createWebViewEnvironment(id, std::move(settings), std::move(result));
     }
+    else if (string_equals(methodName, "getAvailableVersion")) {
+      auto browserExecutableFolder = get_optional_fl_map_value<std::string>(*arguments, "browserExecutableFolder");
+      result->Success(make_fl_value(getAvailableVersion(browserExecutableFolder)));
+    }
+    else if (string_equals(methodName, "compareBrowserVersions")) {
+      auto version1 = get_fl_map_value<std::string>(*arguments, "version1");
+      auto version2 = get_fl_map_value<std::string>(*arguments, "version2");
+      result->Success(make_fl_value(compareBrowserVersions(version1, version2)));
+    }
     else {
       result->NotImplemented();
     }
@@ -89,6 +98,24 @@ namespace flutter_inappwebview_plugin
       });
   }
 
+  std::optional<std::string> WebViewEnvironmentManager::getAvailableVersion(std::optional<std::string> browserExecutableFolder)
+  {
+    wil::unique_cotaskmem_string versionInfo;
+    if (succeededOrLog(GetAvailableCoreWebView2BrowserVersionString(browserExecutableFolder.has_value() ? utf8_to_wide(browserExecutableFolder.value()).c_str() : nullptr, &versionInfo))) {
+      return wide_to_utf8(versionInfo.get());
+    }
+    return std::nullopt;
+  }
+
+  std::optional<int> WebViewEnvironmentManager::compareBrowserVersions(std::string version1, std::string version2)
+  {
+    int result = 0;
+    if (succeededOrLog(CompareBrowserVersions(utf8_to_wide(version1).c_str(), utf8_to_wide(version2).c_str(), &result))) {
+      return result;
+    }
+    return std::nullopt;
+  }
+
   WebViewEnvironmentManager::~WebViewEnvironmentManager()
   {
     debugLog("dealloc WebViewEnvironmentManager");

flutter_inappwebview_windows/windows/webview_environment/webview_environment_manager.h

@@ -34,6 +34,9 @@ namespace flutter_inappwebview_plugin
     {
       return hwnd_;
     }
+
+    static std::optional<std::string> getAvailableVersion(std::optional<std::string> browserExecutableFolder);
+    static std::optional<int> compareBrowserVersions(std::string version1, std::string version2);
   private:
     std::unique_ptr<WebViewEnvironment> defaultEnvironment_;
     WNDCLASS windowClass_ = {};