Merge pull request #2293 from p-mazhnik/web-iframe-role

[web] support iframe role and aria-hidden attributes

Author: pichillilorenzo

flutter_inappwebview_platform_interface/lib/src/in_app_webview/in_app_webview_settings.dart

@@ -1656,6 +1656,25 @@ as it can cause framerate drops on animations in Android 9 and lower (see [Hybri
   ])
   String? iframeCsp;
 
+  ///A string that reflects the `role` HTML attribute, containing a WAI-ARIA role for the element.
+  @SupportedPlatforms(platforms: [
+    WebPlatform(
+        requiresSameOrigin: false,
+        apiName: "iframe.role",
+        apiUrl:
+            "https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Roles")
+  ])
+  String? iframeRole;
+
+  @SupportedPlatforms(platforms: [
+    WebPlatform(
+        requiresSameOrigin: false,
+        apiName: "iframe.ariaHidden",
+        apiUrl:
+        "https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-hidden")
+  ])
+  String? iframeAriaHidden;
+
   @ExchangeableObjectConstructor()
   InAppWebViewSettings_({
     this.useShouldOverrideUrlLoading,
@@ -1798,6 +1817,8 @@ as it can cause framerate drops on animations in Android 9 and lower (see [Hybri
     this.iframeReferrerPolicy,
     this.iframeName,
     this.iframeCsp,
+    this.iframeRole,
+    this.iframeAriaHidden,
   }) {
     if (this.minimumFontSize == null)
       this.minimumFontSize = Util.isAndroid ? 8 : 0;

flutter_inappwebview_platform_interface/lib/src/in_app_webview/in_app_webview_settings.g.dart

@@ -230,6 +230,8 @@ class InAppWebViewWebElement implements Disposable {
           iframe.referrerPolicy;
       iframe.name = settings!.iframeName ?? iframe.name;
       iframe.csp = settings!.iframeCsp ?? iframe.csp;
+      iframe.role = settings!.iframeRole ?? iframe.role;
+      iframe.ariaHidden = settings!.iframeAriaHidden ?? iframe.ariaHidden;
 
       if (settings!.iframeSandbox != null &&
           settings!.iframeSandbox != Sandbox.ALLOW_ALL) {
@@ -470,6 +472,12 @@ class InAppWebViewWebElement implements Disposable {
     if (settings!.iframeCsp != newSettings.iframeCsp) {
       iframe.csp = newSettings.iframeCsp;
     }
+    if (settings!.iframeRole != newSettings.iframeRole) {
+      iframe.role = newSettings.iframeRole;
+    }
+    if (settings!.iframeAriaHidden != newSettings.iframeAriaHidden) {
+      iframe.ariaHidden = newSettings.iframeAriaHidden;
+    }
 
     if (settings!.iframeSandbox != newSettings.iframeSandbox) {
       var sandbox = newSettings.iframeSandbox;