first commit

lib/widgets/iframe_view.dart

@@ -0,0 +1,52 @@
+import 'package:flutter/material.dart';
+import 'dart:html';
+import 'dart:ui' as ui;
+
+class IframeView extends StatefulWidget {
+  final String source;
+  final void Function(int)? onCreated;
+  const IframeView({
+    super.key,
+    required this.source,
+    this.onCreated,
+  });
+
+  @override
+  _IframeViewState createState() => _IframeViewState();
+}
+
+class _IframeViewState extends State<IframeView> {
+  // Widget _iframeWidget;
+  final IFrameElement _iframeElement = IFrameElement();
+
+  @override
+  void initState() {
+    super.initState();
+    _iframeElement.style.border = 'none';
+    _iframeElement.onLoad.listen((event) {
+      if (widget.onCreated != null && event.type == "load") {
+        widget.onCreated!(0);
+      }
+    });
+    _iframeElement.src = widget.source;
+    //ignore: undefined_prefixed_name
+    ui.platformViewRegistry.registerViewFactory(
+      widget.source, //use source as registered key to ensure uniqueness
+      (int viewId) => _iframeElement,
+    );
+  }
+
+  @override
+  void dispose() {
+    // TODO: implement dispose
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return HtmlElementView(
+      key: UniqueKey(),
+      viewType: widget.source,
+    );
+  }
+}