From 2a40d20cb8c92dde17ade378a07436fe91944ebc Mon Sep 17 00:00:00 2001
From: Maurice Parrish <10687576+bparrishMines@users.noreply.github.com>
Date: Mon, 21 Apr 2025 19:27:20 -0400
Subject: [PATCH] interface impl

---
 .../CHANGELOG.md                              |  7 ++++
 .../lib/src/platform_webview_controller.dart  | 20 +++++++++++
 .../pubspec.yaml                              |  2 +-
 .../platform_webview_controller_test.dart     | 35 +++++++++++++++++++
 4 files changed, 63 insertions(+), 1 deletion(-)

diff --git a/packages/webview_flutter/webview_flutter_platform_interface/CHANGELOG.md b/packages/webview_flutter/webview_flutter_platform_interface/CHANGELOG.md
index 6f452d22a1bb..1607f5de6ff6 100644
--- a/packages/webview_flutter/webview_flutter_platform_interface/CHANGELOG.md
+++ b/packages/webview_flutter/webview_flutter_platform_interface/CHANGELOG.md
@@ -1,3 +1,10 @@
+## 2.12.0
+
+* Adds support to set whether to draw the scrollbar. See
+  `PlatformWebViewController.setVerticalScrollBarEnabled`,
+  `PlatformWebViewController.setHorizontalScrollBarEnabled`,
+  `PlatformWebViewController.supportsSetScrollBarsEnabled`.
+
 ## 2.11.0
 
 * Adds support to set the over-scroll mode for the WebView. See `PlatformWebViewController.setOverScrollMode`.
diff --git a/packages/webview_flutter/webview_flutter_platform_interface/lib/src/platform_webview_controller.dart b/packages/webview_flutter/webview_flutter_platform_interface/lib/src/platform_webview_controller.dart
index 34b68a02dfc8..97645c93cd37 100644
--- a/packages/webview_flutter/webview_flutter_platform_interface/lib/src/platform_webview_controller.dart
+++ b/packages/webview_flutter/webview_flutter_platform_interface/lib/src/platform_webview_controller.dart
@@ -229,6 +229,26 @@ abstract class PlatformWebViewController extends PlatformInterface {
         'scrollBy is not implemented on the current platform');
   }
 
+  /// Whether the vertical scrollbar should be drawn or not.
+  Future<void> setVerticalScrollBarEnabled(bool enabled) {
+    throw UnimplementedError(
+        'setVerticalScrollBarEnabled is not implemented on the current platform');
+  }
+
+  /// Whether the horizontal scrollbar should be drawn or not.
+  Future<void> setHorizontalScrollBarEnabled(bool enabled) {
+    throw UnimplementedError(
+        'setHorizontalScrollBarEnabled is not implemented on the current platform');
+  }
+
+  /// Returns true if the current platform supports setting whether scrollbars
+  /// should be drawn or not.
+  ///
+  /// See [setVerticalScrollBarEnabled] and [setHorizontalScrollBarEnabled].
+  bool supportsSetScrollBarsEnabled() {
+    return false;
+  }
+
   /// Return the current scroll position of this view.
   ///
   /// Scroll position is measured from the top left.
diff --git a/packages/webview_flutter/webview_flutter_platform_interface/pubspec.yaml b/packages/webview_flutter/webview_flutter_platform_interface/pubspec.yaml
index cdac767ba8ea..13a8d0dc5561 100644
--- a/packages/webview_flutter/webview_flutter_platform_interface/pubspec.yaml
+++ b/packages/webview_flutter/webview_flutter_platform_interface/pubspec.yaml
@@ -4,7 +4,7 @@ repository: https://github.com/flutter/packages/tree/main/packages/webview_flutt
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+webview_flutter%22
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 2.11.0
+version: 2.12.0
 
 environment:
   sdk: ^3.4.0
diff --git a/packages/webview_flutter/webview_flutter_platform_interface/test/platform_webview_controller_test.dart b/packages/webview_flutter/webview_flutter_platform_interface/test/platform_webview_controller_test.dart
index 7ef8343b0d44..a0ac50026194 100644
--- a/packages/webview_flutter/webview_flutter_platform_interface/test/platform_webview_controller_test.dart
+++ b/packages/webview_flutter/webview_flutter_platform_interface/test/platform_webview_controller_test.dart
@@ -311,6 +311,41 @@ void main() {
     );
   });
 
+  test(
+      'Default implementation of setVerticalScrollBarEnabled should throw unimplemented error',
+      () {
+    final PlatformWebViewController controller =
+        ExtendsPlatformWebViewController(
+            const PlatformWebViewControllerCreationParams());
+
+    expect(
+      () => controller.setVerticalScrollBarEnabled(false),
+      throwsUnimplementedError,
+    );
+  });
+
+  test(
+      'Default implementation of setHorizontalScrollBarEnabled should throw unimplemented error',
+      () {
+    final PlatformWebViewController controller =
+        ExtendsPlatformWebViewController(
+            const PlatformWebViewControllerCreationParams());
+
+    expect(
+      () => controller.setHorizontalScrollBarEnabled(false),
+      throwsUnimplementedError,
+    );
+  });
+
+  test('Default implementation of supportsSetScrollBarsEnabled returns false',
+      () {
+    final PlatformWebViewController controller =
+        ExtendsPlatformWebViewController(
+            const PlatformWebViewControllerCreationParams());
+
+    expect(controller.supportsSetScrollBarsEnabled(), isFalse);
+  });
+
   test(
       'Default implementation of getScrollPosition should throw unimplemented error',
       () {