[webview_flutter] Add interface for showing javascript dialog message

packages/webview_flutter/webview_flutter/CHANGELOG.md

@@ -1,3 +1,10 @@
+## 4.6.0
+
+* Adds support for custom handling of JavaScript dialogs. See
+  `WebViewController.setOnJavaScriptAlertDialog`, `WebViewController.setOnJavaScriptConfirmDialog`
+  and `WebViewController.setOnJavaScriptTextInputDialog`.
+* Updates minimum Dart version to 3.2.3 and minimum Flutter version to 3.16.6.
+
 ## 4.5.0
 
 * Adds support for HTTP basic authentication. See `NavigationDelegate(onReceivedHttpAuthRequest)`.

packages/webview_flutter/webview_flutter/example/pubspec.yaml

@@ -3,8 +3,8 @@ description: Demonstrates how to use the webview_flutter plugin.
 publish_to: none
 
 environment:
-  sdk: ">=3.0.0 <4.0.0"
-  flutter: ">=3.10.0"
+  sdk: ^3.2.3
+  flutter: ">=3.16.6"
 
 dependencies:
   flutter:
@@ -17,8 +17,8 @@ dependencies:
     # The example app is bundled with the plugin so we use a path dependency on
     # the parent directory to use the current plugin's version.
     path: ../
-  webview_flutter_android: ^3.13.0
-  webview_flutter_wkwebview: ^3.10.0
+  webview_flutter_android: ^3.14.0
+  webview_flutter_wkwebview: ^3.11.0
 
 dev_dependencies:
   build_runner: ^2.1.5
@@ -27,7 +27,7 @@ dev_dependencies:
     sdk: flutter
   integration_test:
     sdk: flutter
-  webview_flutter_platform_interface: ^2.7.0
+  webview_flutter_platform_interface: ^2.10.0
 
 flutter:
   uses-material-design: true

packages/webview_flutter/webview_flutter/lib/src/webview_controller.dart

@@ -370,6 +370,30 @@ class WebViewController {
     return platform.setOnConsoleMessage(onConsoleMessage);
   }
 
+  /// Sets a callback that notifies the host application that the web page
+  /// wants to display a JavaScript alert() dialog.
+  Future<void> setOnJavaScriptAlertDialog(
+      Future<void> Function(JavaScriptAlertDialogRequest request)
+          onJavaScriptAlertDialog) async {
+    return platform.setOnJavaScriptAlertDialog(onJavaScriptAlertDialog);
+  }
+
+  /// Sets a callback that notifies the host application that the web page
+  /// wants to display a JavaScript confirm() dialog.
+  Future<void> setOnJavaScriptConfirmDialog(
+      Future<bool> Function(JavaScriptConfirmDialogRequest request)
+          onJavaScriptConfirmDialog) async {
+    return platform.setOnJavaScriptConfirmDialog(onJavaScriptConfirmDialog);
+  }
+
+  /// Sets a callback that notifies the host application that the web page
+  /// wants to display a JavaScript prompt() dialog.
+  Future<void> setOnJavaScriptTextInputDialog(
+      Future<String> Function(JavaScriptTextInputDialogRequest request)
+          onJavaScriptTextInputDialog) async {
+    return platform.setOnJavaScriptTextInputDialog(onJavaScriptTextInputDialog);
+  }
+
   /// Gets the value used for the HTTP `User-Agent:` request header.
   Future<String?> getUserAgent() {
     return platform.getUserAgent();

packages/webview_flutter/webview_flutter/lib/webview_flutter.dart

@@ -5,10 +5,13 @@
 export 'package:webview_flutter_platform_interface/webview_flutter_platform_interface.dart'
     show
         HttpAuthRequest,
+        JavaScriptAlertDialogRequest,
+        JavaScriptConfirmDialogRequest,
         JavaScriptConsoleMessage,
         JavaScriptLogLevel,
         JavaScriptMessage,
         JavaScriptMode,
+        JavaScriptTextInputDialogRequest,
         LoadRequestMethod,
         NavigationDecision,
         NavigationRequest,

packages/webview_flutter/webview_flutter/pubspec.yaml

@@ -2,11 +2,11 @@ name: webview_flutter
 description: A Flutter plugin that provides a WebView widget on Android and iOS.
 repository: https://github.com/flutter/packages/tree/main/packages/webview_flutter/webview_flutter
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+webview%22
-version: 4.5.0
+version: 4.6.0
 
 environment:
-  sdk: ">=3.0.0 <4.0.0"
-  flutter: ">=3.10.0"
+  sdk: ^3.2.3
+  flutter: ">=3.16.6"
 
 flutter:
   plugin:
@@ -19,9 +19,9 @@ flutter:
 dependencies:
   flutter:
     sdk: flutter
-  webview_flutter_android: ^3.13.0
-  webview_flutter_platform_interface: ^2.7.0
-  webview_flutter_wkwebview: ^3.10.0
+  webview_flutter_android: ^3.14.0
+  webview_flutter_platform_interface: ^2.10.0
+  webview_flutter_wkwebview: ^3.11.0
 
 dev_dependencies:
   build_runner: ^2.1.5

packages/webview_flutter/webview_flutter/test/legacy/webview_flutter_test.dart

@@ -1319,13 +1319,13 @@ class MatchesWebSettings extends Matcher {
   bool matches(
       covariant WebSettings webSettings, Map<dynamic, dynamic> matchState) {
     return _webSettings!.javascriptMode == webSettings.javascriptMode &&
-        _webSettings!.hasNavigationDelegate ==
+        _webSettings.hasNavigationDelegate ==
             webSettings.hasNavigationDelegate &&
-        _webSettings!.debuggingEnabled == webSettings.debuggingEnabled &&
-        _webSettings!.gestureNavigationEnabled ==
+        _webSettings.debuggingEnabled == webSettings.debuggingEnabled &&
+        _webSettings.gestureNavigationEnabled ==
             webSettings.gestureNavigationEnabled &&
-        _webSettings!.userAgent == webSettings.userAgent &&
-        _webSettings!.zoomEnabled == webSettings.zoomEnabled;
+        _webSettings.userAgent == webSettings.userAgent &&
+        _webSettings.zoomEnabled == webSettings.zoomEnabled;
   }
 }
 

packages/webview_flutter/webview_flutter/test/webview_controller_test.dart

@@ -403,6 +403,62 @@ void main() {
     verify(mockPlatformWebViewController.setOnConsoleMessage(onConsoleMessage));
   });
 
+  test('setOnJavaScriptAlertDialog', () async {
+    final MockPlatformWebViewController mockPlatformWebViewController =
+        MockPlatformWebViewController();
+
+    final WebViewController webViewController = WebViewController.fromPlatform(
+      mockPlatformWebViewController,
+    );
+
+    Future<void> onJavaScriptAlertDialog(
+        JavaScriptAlertDialogRequest request) async {
+      return;
+    }
+
+    await webViewController.setOnJavaScriptAlertDialog(onJavaScriptAlertDialog);
+    verify(mockPlatformWebViewController
+        .setOnJavaScriptAlertDialog(onJavaScriptAlertDialog));
+  });
+
+  test('setOnJavaScriptConfirmDialog', () async {
+    final MockPlatformWebViewController mockPlatformWebViewController =
+        MockPlatformWebViewController();
+
+    final WebViewController webViewController = WebViewController.fromPlatform(
+      mockPlatformWebViewController,
+    );
+
+    Future<bool> onJavaScriptConfirmDialog(
+        JavaScriptConfirmDialogRequest request) async {
+      return true;
+    }
+
+    await webViewController
+        .setOnJavaScriptConfirmDialog(onJavaScriptConfirmDialog);
+    verify(mockPlatformWebViewController
+        .setOnJavaScriptConfirmDialog(onJavaScriptConfirmDialog));
+  });
+
+  test('setOnJavaScriptTextInputDialog', () async {
+    final MockPlatformWebViewController mockPlatformWebViewController =
+        MockPlatformWebViewController();
+
+    final WebViewController webViewController = WebViewController.fromPlatform(
+      mockPlatformWebViewController,
+    );
+
+    Future<String> onJavaScriptTextInputDialog(
+        JavaScriptTextInputDialogRequest request) async {
+      return 'text';
+    }
+
+    await webViewController
+        .setOnJavaScriptTextInputDialog(onJavaScriptTextInputDialog);
+    verify(mockPlatformWebViewController
+        .setOnJavaScriptTextInputDialog(onJavaScriptTextInputDialog));
+  });
+
   test('getUserAgent', () async {
     final MockPlatformWebViewController mockPlatformWebViewController =
         MockPlatformWebViewController();