<Window xmlns="https://github.com/avaloniaui"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="using:Shares.Avalonia.CustomControls"
        x:Class="AvaloniaUI.WebBrowserTest"
        Title="WebBrowserTest"
        Height="800" Width="1068">
    
    <Grid Margin="10" ColumnDefinitions="*,8,*,8,*" RowDefinitions="auto,8,*">
        <StackPanel Grid.Row="0" Grid.Column="0" Orientation="Horizontal" Spacing="8">
            <Button Content="Back" Click="Back_Click"/>
            <Button Content="Forward" Click="Forward_Click"/>
            <Button Content="Refresh" Click="Refresh_Click"/>
            <Button Content="Stop" Click="Stop_Click"/>
        </StackPanel>

        <Border Grid.Row="2" Grid.Column="0" BorderThickness="1" Padding="4">
            <WebView x:Name="Browser"/>
        </Border>

        <Grid Grid.Row="2" Grid.Column="2" RowDefinitions="auto,4,*">
            <TextBlock Text="PanelA"/>
            <Border Grid.Row="2" BorderThickness="1" Padding="4">
                <WebView x:Name="PanelA"/>
            </Border>
        </Grid>

        <Grid Grid.Row="2" Grid.Column="4" RowDefinitions="auto,4,*">
            <TextBlock Text="PanelB"/>
            <Border Grid.Row="2" BorderThickness="1" Padding="4">
                <WebView x:Name="PanelB"/>
            </Border>
        </Grid>
    </Grid>
</Window>

using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Shares.Avalonia.CustomControls.WebView;
using System;


namespace AvaloniaUI;

public partial class WebBrowserTest : Window
{
    public WebBrowserTest()
    {
        InitializeComponent();

        Browser.Navigate("https://www.google.com");

        Browser.Requesting += Browser_Requesting;
        Browser.Requested += Browser_Requested;
        PanelA.Requested += Browser_Requested;

        Browser.NavigationCompleted += Browser_NavigationCompleted;

        PanelA.NavigationCompleted += PanelA_NavigationCompleted;
        PanelB.NavigationCompleted += PanelB_NavigationCompleted;

        Browser.AddScriptObject("app", new AppApi());
    }
    ~WebBrowserTest()
    {
        Browser.Dispose();
        PanelA.Dispose();
        PanelB.Dispose();
    }
    private void Browser_Requesting(object? sender, WebViewRequestingEventArgs e)
    {
        if (e.Kind == WebViewRequestKind.Resource &&
            e.Uri.AbsoluteUri.Contains("tracker", StringComparison.OrdinalIgnoreCase))
        {
            e.Cancel = true;
            Console.WriteLine($"Blocked resource: {e.Uri}");
            return;
        }
    }

    private void Browser_Requested(object? sender, WebViewRequestedEventArgs e)
    {
        if (sender is not WebView current)
            return;

        if (e.Kind == WebViewRequestKind.Navigation &&
            e.Uri.Host.Contains("yahoo", StringComparison.OrdinalIgnoreCase) &&
            !ReferenceEquals(current, PanelA))
        {
            Console.WriteLine($"Open in PanelA: {e.Uri}");
            e.OpenIn(PanelA);
            return;
        }

        if (e.Kind == WebViewRequestKind.Navigation &&
            e.Uri.Host.Contains("baidu", StringComparison.OrdinalIgnoreCase) &&
            !ReferenceEquals(current, PanelB))
        {
            Console.WriteLine($"Open in PanelB: {e.Uri}");
            e.OpenIn(PanelB);
            return;
        }
    }

    private void Browser_NavigationCompleted(object? sender, WebViewNavigationCompletedEventArgs e)
    {
        Console.WriteLine($"Main completed: {e.Uri} success={e.IsSuccess}");
    }

    private void PanelA_NavigationCompleted(object? sender, WebViewNavigationCompletedEventArgs e)
    {
        Console.WriteLine($"PanelA completed: {e.Uri} success={e.IsSuccess}");
    }

    private void PanelB_NavigationCompleted(object? sender, WebViewNavigationCompletedEventArgs e)
    {
        Console.WriteLine($"PanelB completed: {e.Uri} success={e.IsSuccess}");
    }

    private void Back_Click(object? sender, RoutedEventArgs e)
        => Browser.GoBack();

    private void Forward_Click(object? sender, RoutedEventArgs e)
        => Browser.GoForward();

    private void Refresh_Click(object? sender, RoutedEventArgs e)
        => Browser.Refresh();

    private void Stop_Click(object? sender, RoutedEventArgs e)
        => Browser.Stop();

    public sealed class AppApi
    {
        public static string GetVersion() => "1.0.0";
    }
}