BASE changed interface

UI/ExtensionPopupWindow.xaml.cs

@@ -0,0 +1,39 @@
+using System.Windows;
+using Microsoft.Web.WebView2.Core;
+using Microsoft.Web.WebView2.Wpf;
+
+namespace FoxBrowser.UI;
+
+public partial class ExtensionPopupWindow : Window
+{
+    private readonly CoreWebView2Environment _environment;
+    private readonly string _extensionId;
+    private readonly string _popupPage;
+
+    public ExtensionPopupWindow(CoreWebView2Environment environment, string extensionId, string popupPage, System.Drawing.Point screenPosition)
+    {
+        InitializeComponent();
+        _environment = environment;
+        _extensionId = extensionId;
+        _popupPage = popupPage;
+        Left = screenPosition.X;
+        Top = screenPosition.Y;
+        Deactivated += (_, _) => Close();
+        Loaded += async (_, _) => await InitializeAsync();
+    }
+
+    private async Task InitializeAsync()
+    {
+        try
+        {
+            var view = new WebView2();
+            PopupHost.Children.Add(view);
+            await view.EnsureCoreWebView2Async(_environment);
+            view.CoreWebView2.Navigate($"chrome-extension://{_extensionId}/{_popupPage}");
+        }
+        catch
+        {
+            Close();
+        }
+    }
+}