chore: add webview example

Author: DjDeveloperr

examples/webview.js

@@ -0,0 +1,104 @@
+// @ts-check
+
+import "@nativescript/macos-node-api";
+
+objc.import("WebKit");
+
+export class ApplicationDelegate extends NSObject {
+  static ObjCProtocols = [NSApplicationDelegate, NSWindowDelegate];
+
+  static {
+    NativeClass(this);
+  }
+
+  /**
+   * @param {NSNotification} _notification
+   */
+  applicationDidFinishLaunching(_notification) {
+    const menu = NSMenu.new();
+    NSApp.mainMenu = menu;
+
+    const appMenuItem = NSMenuItem.new();
+    menu.addItem(appMenuItem);
+
+    const appMenu = NSMenu.new();
+    appMenuItem.submenu = appMenu;
+
+    appMenu.addItemWithTitleActionKeyEquivalent("Quit", "terminate:", "q");
+
+    const controller = ViewController.new();
+    const window = NSWindow.windowWithContentViewController(controller);
+
+    window.title = "NativeScript for macOS";
+    window.delegate = this;
+    window.styleMask = NSWindowStyleMask.Titled |
+      NSWindowStyleMask.Closable |
+      NSWindowStyleMask.Miniaturizable |
+      NSWindowStyleMask.Resizable;
+
+    window.makeKeyAndOrderFront(this);
+
+    NSApp.activateIgnoringOtherApps(false);
+  }
+
+  /**
+   * @param {NSNotification} _notification
+   */
+  windowWillClose(_notification) {
+    NSApp.terminate(this);
+  }
+}
+
+/**
+ * @implements {WKUIDelegate}
+ */
+export class ViewController extends NSViewController {
+  static ObjCProtocols = [WKUIDelegate];
+
+  static {
+    NativeClass(this);
+  }
+
+  /**
+   * @type {WKWebView | undefined}
+   */
+  webview;
+
+  /**
+   * @override
+   */
+  loadView() {
+    const config = WKWebViewConfiguration.new();
+    const view = WKWebView.alloc().initWithFrameConfiguration(
+      CGRectZero,
+      config,
+    );
+    view.UIDelegate = this;
+    this.view = view;
+    this.webview = view;
+  }
+
+  /**
+   * @override
+   */
+  viewDidLoad() {
+    super.viewDidLoad();
+
+    this.view.frame = {
+      origin: { x: 0, y: 0 },
+      size: { width: 800, height: 600 },
+    };
+
+    const url = NSURL.URLWithString("https://nativescript.org");
+    const request = NSURLRequest.requestWithURL(url);
+    if (this.webview) this.webview.loadRequest(request);
+  }
+}
+
+const NSApp = NSApplication.sharedApplication;
+
+NSApp.delegate = ApplicationDelegate.new();
+
+NSApp.setActivationPolicy(NSApplicationActivationPolicy.Regular);
+
+NSApplicationMain(0, null);