Udara/UdaraWindows/WebViewForm.cs

using Microsoft.Web.WebView2.WinForms;

namespace UdaraWindows;

public interface IWebView
{
    void LoadPage(Uri url);
    void Show();
}

public class WebViewLauncher
{
    private readonly IWebView _webView;
    private readonly string _defaultUrl;

    public WebViewLauncher(IWebView webView, string defaultUrl)
    {
        _webView = webView ?? throw new ArgumentNullException(nameof(webView));
        _defaultUrl = defaultUrl ?? throw new ArgumentNullException(nameof(defaultUrl));
    }

    public void Launch(string? url = null)
    {
        string targetUrl = string.IsNullOrWhiteSpace(url) ? _defaultUrl : url;

        if (!Uri.TryCreate(targetUrl, UriKind.Absolute, out var uri))
            throw new ArgumentException("Invalid URL provided.", nameof(url));

        _webView.LoadPage(uri);
        _webView.Show();
    }
}

public partial class WebViewForm : Form, IWebView
{
    private readonly WebView2 _webView;

    public WebViewForm()
    {
        Text = "PSTW Udara v2";
        ClientSize = new Size(1280, 800);
        MinimumSize = new Size(800, 450);
        MaximumSize = new Size(Screen.PrimaryScreen!.Bounds.Width, Screen.PrimaryScreen!.Bounds.Height);

        Icon = new Icon("UdaraWindows.ico");

        _webView = new WebView2 { Dock = DockStyle.Fill };
        Controls.Add(_webView);

        Load += async (_, _) =>
        {
            await _webView.EnsureCoreWebView2Async();
            _webView.CoreWebView2.Settings.IsStatusBarEnabled = false;
            _webView.CoreWebView2.ContextMenuRequested += (sender, e) =>
            {
                e.Handled = true;
            };
            _webView.NavigationCompleted += async (sender, e) =>
            {
                if (e.IsSuccess)
                {
                    string cssScript = @"
                        const style = document.createElement('style');
                        style.textContent = `
                            html, body, * {
                                -webkit-user-select: none;
                                -ms-user-select: none;
                                user-select: none;
                            }
                            html::-webkit-scrollbar {
                                display: none;
                                overflow-y: hidden;
                            }
                        `;
                        document.head.appendChild(style);
                    ";
                    await _webView.CoreWebView2.ExecuteScriptAsync(cssScript);

                    Text = _webView.CoreWebView2.DocumentTitle;

                }
            };
        };
    }

    public void LoadPage(Uri url)
    {
        _webView.Source = url;
    }

    public new void Show()
    {
        Application.Run(this);
    }
}