From 769747914d284c3dd05f3eb60b1eccba78f31c01 Mon Sep 17 00:00:00 2001
From: Maurice Parrish <10687576+bparrishMines@users.noreply.github.com>
Date: Tue, 24 Oct 2023 15:43:54 -0400
Subject: [PATCH] [webview_flutter_wkwebview] Only set
 `limitsNavigationsToAppBoundDomains` when it is set to true (#5137)

This changes the flag to only flag to only call the method if it sets it to `true`.

Fixes https://github.com/flutter/flutter/issues/136449
---
 .../webview_flutter_wkwebview/CHANGELOG.md    |  5 +++++
 .../lib/src/webkit_webview_controller.dart    | 10 ++++++++--
 .../webview_flutter_wkwebview/pubspec.yaml    |  2 +-
 .../test/webkit_webview_controller_test.dart  | 19 +++++++++++++++++++
 4 files changed, 33 insertions(+), 3 deletions(-)

diff --git a/packages/webview_flutter/webview_flutter_wkwebview/CHANGELOG.md b/packages/webview_flutter/webview_flutter_wkwebview/CHANGELOG.md
index 4de08406bba1..197c5d70784f 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/CHANGELOG.md
+++ b/packages/webview_flutter/webview_flutter_wkwebview/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 3.9.2
+
+* Fixes error caused by calling `WKWebViewConfiguration.limitsNavigationsToAppBoundDomains` on
+  versions below 14.
+
 ## 3.9.1
 
 * Fixes bug where `WebkitWebViewController.getUserAgent` was incorrectly returning an empty String.
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/webkit_webview_controller.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/webkit_webview_controller.dart
index a02ed61069e7..d15b28251828 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/webkit_webview_controller.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/webkit_webview_controller.dart
@@ -70,8 +70,14 @@ class WebKitWebViewControllerCreationParams
       );
     }
     _configuration.setAllowsInlineMediaPlayback(allowsInlineMediaPlayback);
-    _configuration.setLimitsNavigationsToAppBoundDomains(
-        limitsNavigationsToAppBoundDomains);
+    // `WKWebViewConfiguration.limitsNavigationsToAppBoundDomains` is only
+    // supported on iOS versions 14+. So this only calls it if the value is set
+    // to true.
+    if (limitsNavigationsToAppBoundDomains) {
+      _configuration.setLimitsNavigationsToAppBoundDomains(
+        limitsNavigationsToAppBoundDomains,
+      );
+    }
   }
 
   /// Constructs a [WebKitWebViewControllerCreationParams] using a
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/pubspec.yaml b/packages/webview_flutter/webview_flutter_wkwebview/pubspec.yaml
index 63ed6e4db5f0..2d469bd83825 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/pubspec.yaml
+++ b/packages/webview_flutter/webview_flutter_wkwebview/pubspec.yaml
@@ -2,7 +2,7 @@ name: webview_flutter_wkwebview
 description: A Flutter plugin that provides a WebView widget based on Apple's WKWebView control.
 repository: https://github.com/flutter/packages/tree/main/packages/webview_flutter/webview_flutter_wkwebview
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+webview%22
-version: 3.9.1
+version: 3.9.2
 
 environment:
   sdk: ">=2.19.0 <4.0.0"
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/webkit_webview_controller_test.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/webkit_webview_controller_test.dart
index d1854df4bce0..46badc069058 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/webkit_webview_controller_test.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/webkit_webview_controller_test.dart
@@ -160,6 +160,25 @@ void main() {
         );
       });
 
+      test(
+          'limitsNavigationsToAppBoundDomains is not called if it uses default value (false)',
+          () {
+        final MockWKWebViewConfiguration mockConfiguration =
+            MockWKWebViewConfiguration();
+
+        WebKitWebViewControllerCreationParams(
+          webKitProxy: WebKitProxy(
+            createWebViewConfiguration: ({InstanceManager? instanceManager}) {
+              return mockConfiguration;
+            },
+          ),
+        );
+
+        verifyNever(
+          mockConfiguration.setLimitsNavigationsToAppBoundDomains(any),
+        );
+      });
+
       test('mediaTypesRequiringUserAction', () {
         final MockWKWebViewConfiguration mockConfiguration =
             MockWKWebViewConfiguration();