add wkwebview method dart impl

packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart

@@ -10,7 +10,8 @@ import '../foundation/foundation.dart';
 import '../ui_kit/ui_kit.dart';
 import 'web_kit_api_impls.dart';
 
-export 'web_kit_api_impls.dart' show WKNavigationType;
+export 'web_kit_api_impls.dart'
+    show WKNavigationType, WKPermissionDecision, WKMediaCaptureType;
 
 /// Times at which to inject script content into a webpage.
 ///
@@ -712,6 +713,7 @@ class WKUIDelegate extends NSObject {
   /// Constructs a [WKUIDelegate].
   WKUIDelegate({
     this.onCreateWebView,
+    this.requestMediaCapturePermission,
     super.observeValue,
     super.binaryMessenger,
     super.instanceManager,
@@ -732,6 +734,7 @@ class WKUIDelegate extends NSObject {
   /// create copies.
   WKUIDelegate.detached({
     this.onCreateWebView,
+    this.requestMediaCapturePermission,
     super.observeValue,
     super.binaryMessenger,
     super.instanceManager,
@@ -752,17 +755,50 @@ class WKUIDelegate extends NSObject {
     WKNavigationAction navigationAction,
   )? onCreateWebView;
 
+  /// Determines whether a web resource, which the security origin object
+  /// describes, can access to the device’s microphone audio and camera video.
+  final Future<WKPermissionDecision> Function(
+    WKUIDelegate instance,
+    WKWebView webView,
+    WKSecurityOrigin origin,
+    WKFrameInfo frame,
+    WKMediaCaptureType type,
+  )? requestMediaCapturePermission;
+
   @override
   WKUIDelegate copy() {
     return WKUIDelegate.detached(
       onCreateWebView: onCreateWebView,
+      requestMediaCapturePermission: requestMediaCapturePermission,
       observeValue: observeValue,
       binaryMessenger: _uiDelegateApi.binaryMessenger,
       instanceManager: _uiDelegateApi.instanceManager,
     );
   }
 }
 
+/// An object that identifies the origin of a particular resource.
+///
+/// Wraps https://developer.apple.com/documentation/webkit/wksecurityorigin?language=objc.
+@immutable
+class WKSecurityOrigin {
+  /// Constructs an [WKSecurityOrigin].
+  const WKSecurityOrigin({
+    required this.host,
+    required this.port,
+    required this.protocol,
+  });
+
+  /// The security origin’s host.
+  final String host;
+
+  /// The security origin's port.
+  final int port;
+
+  /// The security origin's protocol.
+  final String protocol;
+}
+
 /// Methods for handling navigation changes and tracking navigation requests.
 ///
 /// Set the methods of the [WKNavigationDelegate] in the object you use to

packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart

@@ -10,7 +10,8 @@ import '../common/web_kit.g.dart';
 import '../foundation/foundation.dart';
 import 'web_kit.dart';
 
-export '../common/web_kit.g.dart' show WKNavigationType;
+export '../common/web_kit.g.dart'
+    show WKNavigationType, WKPermissionDecision, WKMediaCaptureType;
 
 Iterable<WKWebsiteDataTypeEnumData> _toWKWebsiteDataTypeEnumData(
     Iterable<WKWebsiteDataType> types) {
@@ -230,6 +231,12 @@ extension _NSUrlRequestConverter on NSUrlRequest {
   }
 }
 
+extension _WKSecurityOriginConverter on WKSecurityOriginData {
+  WKSecurityOrigin toWKSecurityOrigin() {
+    return WKSecurityOrigin(host: host, port: port, protocol: protocol);
+  }
+}
+
 /// Handles initialization of Flutter APIs for WebKit.
 class WebKitFlutterApis {
   /// Constructs a [WebKitFlutterApis].
@@ -719,6 +726,34 @@ class WKUIDelegateFlutterApiImpl extends WKUIDelegateFlutterApi {
       navigationAction.toNavigationAction(),
     );
   }
+
+  @override
+  Future<WKPermissionDecisionData> requestMediaCapturePermission(
+    int identifier,
+    int webViewIdentifier,
+    WKSecurityOriginData origin,
+    WKFrameInfoData frame,
+    WKMediaCaptureTypeData type,
+  ) async {
+    final WKUIDelegate instance =
+        instanceManager.getInstanceWithWeakReference(identifier)!;
+
+    late final WKPermissionDecision decision;
+    if (instance.requestMediaCapturePermission != null) {
+      decision = await instance.requestMediaCapturePermission!(
+        instance,
+        instanceManager.getInstanceWithWeakReference(webViewIdentifier)!
+            as WKWebView,
+        origin.toWKSecurityOrigin(),
+        frame.toWKFrameInfo(),
+        type.value,
+      );
+    } else {
+      decision = WKPermissionDecision.deny;
+    }
+
+    return WKPermissionDecisionData(value: decision);
+  }
 }
 
 /// Host api implementation for [WKNavigationDelegate].

packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart

@@ -193,6 +193,58 @@ enum WKNavigationType {
   other,
 }
 
+/// Possible permission decisions for device resource access.
+///
+/// See https://developer.apple.com/documentation/webkit/wkpermissiondecision?language=objc.
+enum WKPermissionDecision {
+  /// Deny permission for the requested resource.
+  ///
+  /// See https://developer.apple.com/documentation/webkit/wkpermissiondecision/wkpermissiondecisiondeny?language=objc.
+  deny,
+
+  /// Deny permission for the requested resource.
+  ///
+  /// See https://developer.apple.com/documentation/webkit/wkpermissiondecision/wkpermissiondecisiongrant?language=objc.
+  grant,
+
+  /// Prompt the user for permission for the requested resource.
+  ///
+  /// See https://developer.apple.com/documentation/webkit/wkpermissiondecision/wkpermissiondecisionprompt?language=objc.
+  prompt,
+}
+
+// TODO(bparrishMines): Enums need be wrapped in a data class because thay can't
+// be used as primitive arguments. See https://github.com/flutter/flutter/issues/87307
+class WKPermissionDecisionData {
+  late WKPermissionDecision value;
+}
+
+/// List of the types of media devices that can capture audio, video, or both.
+///
+/// See https://developer.apple.com/documentation/webkit/wkmediacapturetype?language=objc.
+enum WKMediaCaptureType {
+  /// A media device that can capture video.
+  ///
+  /// See https://developer.apple.com/documentation/webkit/wkmediacapturetype/wkmediacapturetypecamera?language=objc.
+  camera,
+
+  /// A media device or devices that can capture audio and video.
+  ///
+  /// See https://developer.apple.com/documentation/webkit/wkmediacapturetype/wkmediacapturetypecameraandmicrophone?language=objc.
+  cameraAndMicrophone,
+
+  /// A media device that can capture audio.
+  ///
+  /// See https://developer.apple.com/documentation/webkit/wkmediacapturetype/wkmediacapturetypemicrophone?language=objc.
+  microphone,
+}
+
+// TODO(bparrishMines): Enums need be wrapped in a data class because thay can't
+// be used as primitive arguments. See https://github.com/flutter/flutter/issues/87307
+class WKMediaCaptureTypeData {
+  late WKMediaCaptureType value;
+}
+
 /// Mirror of NSURLRequest.
 ///
 /// See https://developer.apple.com/documentation/foundation/nsurlrequest?language=objc.
@@ -245,6 +297,15 @@ class WKScriptMessageData {
   late Object? body;
 }
 
+/// Mirror of WKSecurityOrigin.
+///
+/// See https://developer.apple.com/documentation/webkit/wksecurityorigin?language=objc.
+class WKSecurityOriginData {
+  late String host;
+  late int port;
+  late String protocol;
+}
+
 /// Mirror of NSHttpCookieData.
 ///
 /// See https://developer.apple.com/documentation/foundation/nshttpcookie?language=objc.
@@ -629,6 +690,19 @@ abstract class WKUIDelegateFlutterApi {
     int configurationIdentifier,
     WKNavigationActionData navigationAction,
   );
+
+  /// Callback to Dart function `WKUIDelegate.requestMediaCapturePermission`.
+  @ObjCSelector(
+    'requestMediaCapturePermissionForDelegateWithIdentifier:webViewIdentifier:origin:frame:type:',
+  )
+  @async
+  WKPermissionDecisionData requestMediaCapturePermission(
+    int identifier,
+    int webViewIdentifier,
+    WKSecurityOriginData origin,
+    WKFrameInfoData frame,
+    WKMediaCaptureTypeData type,
+  );
 }
 
 /// Mirror of WKHttpCookieStore.

packages/webview_flutter/webview_flutter_wkwebview/pubspec.yaml

@@ -19,11 +19,27 @@ flutter:
 dependencies:
   flutter:
     sdk: flutter
+  simple_ast:
+    git:
+      url: [email protected]:bparrishMines/penguin.git
+      path: packages/simple_ast
   path: ^1.8.0
   webview_flutter_platform_interface: ^2.0.0
 
 dev_dependencies:
   build_runner: ^2.1.5
+  code_template_processor:
+    git:
+      url: [email protected]:bparrishMines/penguin.git
+      path: packages/code_template_processor
+  gen_api_impls:
+    git:
+      url: [email protected]:bparrishMines/penguin.git
+      path: packages/gen_api_impls
+  simple_ast_generator:
+    git:
+      url: [email protected]:bparrishMines/penguin.git
+      path: packages/simple_ast_generator
   flutter_driver:
     sdk: flutter
   flutter_test: