Add chapter 10 sample project

2026-06-20 12:23:09 +00:00 · 2023-08-13 13:40:04 -04:00
parent f9e4d407b9
commit 90f935f4b2
91 changed files with 4110 additions and 0 deletions
@@ -0,0 +1,50 @@
+using System.Diagnostics.CodeAnalysis;
+
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.Web.WebView2.Core;
+
+using TemplateStudioSampleApp.Contracts.Services;
+
+namespace TemplateStudioSampleApp.Services;
+
+public class WebViewService : IWebViewService
+{
+    private WebView2? _webView;
+
+    public Uri? Source => _webView?.Source;
+
+    [MemberNotNullWhen(true, nameof(_webView))]
+    public bool CanGoBack => _webView != null && _webView.CanGoBack;
+
+    [MemberNotNullWhen(true, nameof(_webView))]
+    public bool CanGoForward => _webView != null && _webView.CanGoForward;
+
+    public event EventHandler<CoreWebView2WebErrorStatus>? NavigationCompleted;
+
+    public WebViewService()
+    {
+    }
+
+    [MemberNotNull(nameof(_webView))]
+    public void Initialize(WebView2 webView)
+    {
+        _webView = webView;
+        _webView.NavigationCompleted += OnWebViewNavigationCompleted;
+    }
+
+    public void GoBack() => _webView?.GoBack();
+
+    public void GoForward() => _webView?.GoForward();
+
+    public void Reload() => _webView?.Reload();
+
+    public void UnregisterEvents()
+    {
+        if (_webView != null)
+        {
+            _webView.NavigationCompleted -= OnWebViewNavigationCompleted;
+        }
+    }
+
+    private void OnWebViewNavigationCompleted(WebView2 sender, CoreWebView2NavigationCompletedEventArgs args) => NavigationCompleted?.Invoke(this, args.WebErrorStatus);
+}