Read view link handling

Reader/Screens/Read/ReadViewController.swift

@@ -8,6 +8,7 @@
 import UIKit
 import WebKit
 import HTMLEntities
+import SafariServices
 
 class ReadViewController: UIViewController {
     
@@ -50,6 +51,7 @@ class ReadViewController: UIViewController {
         let webView = WKWebView()
         webView.translatesAutoresizingMaskIntoConstraints = false
         webView.navigationDelegate = self
+        webView.uiDelegate = self
         if let content = itemContentHTML() {
             // todo: using the bundle url is the only way to get the stylesheet to load, but feels wrong
             // will break, e.g., images with relative urls
@@ -119,7 +121,40 @@ extension ReadViewController: WKNavigationDelegate {
         let url = navigationAction.request.url!
         if url == Bundle.main.bundleURL {
             return .allow
-        }
+        } else {
+            present(SFSafariViewController(url: url), animated: true)
             return .cancel
         }
+    }
+}
+
+extension ReadViewController: WKUIDelegate {
+    func webView(_ webView: WKWebView, contextMenuConfigurationFor elementInfo: WKContextMenuElementInfo) async -> UIContextMenuConfiguration? {
+        guard let url = elementInfo.linkURL,
+              ["http", "https"].contains(url.scheme?.lowercased()) else {
+            return nil
+        }
+        return UIContextMenuConfiguration(identifier: nil) {
+            SFSafariViewController(url: url)
+        } actionProvider: { _ in
+            return UIMenu(children: [
+                UIAction(title: "Open in Safari", image: UIImage(systemName: "safari"), handler: { [weak self] _ in
+                    self?.present(SFSafariViewController(url: url), animated: true)
+                }),
+                UIAction(title: "Share", image: UIImage(systemName: "square.and.arrow.up"), handler: { [weak self] _ in
+                    self?.present(UIActivityViewController(activityItems: [url], applicationActivities: nil), animated: true)
+                }),
+            ])
+        }
+
+    }
+    
+    func webView(_ webView: WKWebView, contextMenuForElement elementInfo: WKContextMenuElementInfo, willCommitWithAnimator animator: UIContextMenuInteractionCommitAnimating) {
+        if let vc = animator.previewViewController as? SFSafariViewController {
+            animator.preferredCommitStyle = .pop
+            animator.addCompletion {
+                self.present(vc, animated: true)
+            }
+        }
+    }
 }