refactor: simplify events (#37099)

shell/common/gin_helper/event.cc

@@ -0,0 +1,31 @@
+// Copyright (c) 2023 Salesforce, Inc.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "shell/common/gin_helper/event.h"
+#include "gin/dictionary.h"
+#include "gin/object_template_builder.h"
+
+namespace gin_helper::internal {
+
+// static
+gin::Handle<Event> Event::New(v8::Isolate* isolate) {
+  return gin::CreateHandle(isolate, new Event());
+}
+// static
+v8::Local<v8::ObjectTemplate> Event::FillObjectTemplate(
+    v8::Isolate* isolate,
+    v8::Local<v8::ObjectTemplate> templ) {
+  return gin::ObjectTemplateBuilder(isolate, "Event", templ)
+      .SetMethod("preventDefault", &Event::PreventDefault)
+      .SetProperty("defaultPrevented", &Event::GetDefaultPrevented)
+      .Build();
+}
+
+Event::Event() = default;
+
+Event::~Event() = default;
+
+gin::WrapperInfo Event::kWrapperInfo = {gin::kEmbedderNativeGin};
+
+}  // namespace gin_helper::internal