added getCurrentUrl function & url in onClose Callback

example/lib/main.dart

@@ -1,3 +1,5 @@
+import 'dart:async';
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter_macos_webview/flutter_macos_webview.dart';
 
@@ -7,26 +9,24 @@ class App extends StatelessWidget {
   Future<void> _onOpenPressed(PresentationStyle presentationStyle) async {
     final webview = FlutterMacOSWebView(
       onOpen: () => print('Opened'),
-      onClose: () => print('Closed'),
+      onClose: (url) => print('Closed $url'),
+      onSetUrl: (url) => print('Set url $url'),
+      onTapSpecial: (url) => print("Special $url"),
       onPageStarted: (url) => print('Page started: $url'),
       onPageFinished: (url) => print('Page finished: $url'),
-      onWebResourceError: (err) {
-        print(
-          'Error: ${err.errorCode}, ${err.errorType}, ${err.domain}, ${err.description}',
-        );
-      },
+      onWebResourceError: (err) => print(
+        'Error: ${err.errorCode}, ${err.errorType}, ${err.domain}, ${err.description}',
+      ),
     );
-
     await webview.open(
       url: 'https://google.com',
       presentationStyle: presentationStyle,
-      size: Size(400.0, 400.0),
+      size: Size(800, 600),
       userAgent:
           'Mozilla/5.0 (iPhone; CPU iPhone OS 14_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.0 Mobile/15E148 Safari/604.1',
+      showSpecialButton: true,
+      specialButtonText: "Link is broken",
     );
-
-    // await Future.delayed(Duration(seconds: 5));
-    // await webview.close();
   }
 
   @override

example/macos/Podfile.lock

@@ -15,8 +15,8 @@ EXTERNAL SOURCES:
 
 SPEC CHECKSUMS:
   flutter_macos_webview: a17978522d9014b5ebc0279d76a332b9531c4a95
-  FlutterMacOS: 57701585bf7de1b3fc2bb61f6378d73bbdea8424
+  FlutterMacOS: ae6af50a8ea7d6103d888583d46bd8328a7e9811
 
 PODFILE CHECKSUM: 6eac6b3292e5142cfc23bdeb71848a40ec51c14c
 
-COCOAPODS: 1.10.0
+COCOAPODS: 1.11.3

example/pubspec.lock

@@ -7,7 +7,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.1"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -21,28 +21,21 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
+    version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -56,7 +49,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -80,21 +73,28 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.10"
+    version: "0.12.12"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.5"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -106,7 +106,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
@@ -127,35 +127,28 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.2"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.12"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.13.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"
   flutter: ">=1.20.0"

lib/flutter_macos_webview.dart

@@ -29,6 +29,8 @@ class FlutterMacOSWebView {
   FlutterMacOSWebView({
     this.onOpen,
     this.onClose,
+    this.onSetUrl,
+    this.onTapSpecial,
     this.onPageStarted,
     this.onPageFinished,
     this.onWebResourceError,
@@ -39,7 +41,9 @@ class FlutterMacOSWebView {
   final MethodChannel _channel;
 
   final void Function()? onOpen;
-  final void Function()? onClose;
+  final void Function(String? url)? onClose;
+  final void Function(String? url)? onSetUrl;
+  final void Function(String? url)? onTapSpecial;
   final void Function(String? url)? onPageStarted;
   final void Function(String? url)? onPageFinished;
   final void Function(WebResourceError error)? onWebResourceError;
@@ -63,6 +67,8 @@ class FlutterMacOSWebView {
   /// [modalTitle] - title for window when using `modal` presentation style
   ///
   /// [sheetCloseButtonTitle] - title for close button when using `sheet` presentation style
+  ///
+  /// [specialButtonText] - title for special button when using `sheet` presentation style
   Future<void> open({
     required String url,
     bool javascriptEnabled = true,
@@ -72,6 +78,8 @@ class FlutterMacOSWebView {
     String? userAgent,
     String modalTitle = '',
     String sheetCloseButtonTitle = 'Close',
+    String specialButtonText = 'Special',
+    bool showSpecialButton = false,
   }) async {
     assert(url.trim().isNotEmpty);
 
@@ -85,6 +93,9 @@ class FlutterMacOSWebView {
       'userAgent': userAgent,
       'modalTitle': modalTitle,
       'sheetCloseButtonTitle': sheetCloseButtonTitle,
+      'showSetUrlButton': onSetUrl != null,
+      'specialButtonText': specialButtonText,
+      'showSpecialButton': showSpecialButton,
       // 'customOrigin': origin != null,
       // 'x': origin?.dx,
       // 'y': origin?.dy,
@@ -96,20 +107,31 @@ class FlutterMacOSWebView {
     await _channel.invokeMethod('close');
   }
 
+  /// Gets current URL of WebView
+  Future<String?> getCurrentUrl() async {
+    return await _channel.invokeMethod('getCurrentUrl');
+  }
+
   Future<void> _onMethodCall(MethodCall call) async {
     switch (call.method) {
       case 'onOpen':
         onOpen?.call();
         return;
       case 'onClose':
-        onClose?.call();
+        onClose?.call(call.arguments['url']);
+        return;
+      case 'onSetUrl':
+        onSetUrl?.call(call.arguments['url']);
         return;
       case 'onPageStarted':
         onPageStarted?.call(call.arguments['url']);
         return;
       case 'onPageFinished':
         onPageFinished?.call(call.arguments['url']);
         return;
+      case 'onTapSpecial':
+        onTapSpecial?.call(call.arguments['url']);
+        return;
       case 'onWebResourceError':
         onWebResourceError?.call(
           WebResourceError(