From 42e3ba409ecc4535138f632bf87ddf7a07bd5c68 Mon Sep 17 00:00:00 2001
From: Shannon Booth <shannon@serenityos.org>
Date: Sun, 12 May 2024 22:17:37 +1200
Subject: [PATCH] LibWeb: Add constructor for WheelEvent

This makes https://profiler.firefox.com/ progress much further in
loading :^)
---
 Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp | 5 +++++
 Userland/Libraries/LibWeb/UIEvents/WheelEvent.h   | 4 +++-
 Userland/Libraries/LibWeb/UIEvents/WheelEvent.idl | 2 ++
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp b/Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp
index 0681ec17ac7..64701f8832e 100644
--- a/Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp
+++ b/Userland/Libraries/LibWeb/UIEvents/WheelEvent.cpp
@@ -33,6 +33,11 @@ void WheelEvent::initialize(JS::Realm& realm)
     WEB_SET_PROTOTYPE_FOR_INTERFACE(WheelEvent);
 }
 
+JS::NonnullGCPtr<WheelEvent> WheelEvent::construct_impl(JS::Realm& realm, FlyString const& event_name, WheelEventInit const& wheel_event_init)
+{
+    return create(realm, event_name, wheel_event_init);
+}
+
 JS::NonnullGCPtr<WheelEvent> WheelEvent::create(JS::Realm& realm, FlyString const& event_name, WheelEventInit const& event_init, double page_x, double page_y, double offset_x, double offset_y)
 {
     return realm.heap().allocate<WheelEvent>(realm, realm, event_name, event_init, page_x, page_y, offset_x, offset_y);
diff --git a/Userland/Libraries/LibWeb/UIEvents/WheelEvent.h b/Userland/Libraries/LibWeb/UIEvents/WheelEvent.h
index ec8e37f282a..5c4ce895aaf 100644
--- a/Userland/Libraries/LibWeb/UIEvents/WheelEvent.h
+++ b/Userland/Libraries/LibWeb/UIEvents/WheelEvent.h
@@ -31,7 +31,9 @@ class WheelEvent final : public MouseEvent {
     JS_DECLARE_ALLOCATOR(WheelEvent);
 
 public:
-    [[nodiscard]] static JS::NonnullGCPtr<WheelEvent> create(JS::Realm&, FlyString const& event_name, WheelEventInit const& event_init = {}, double page_x = 0, double page_y = 0, double offset_x = 0, double offset_y = 0);
+    [[nodiscard]] static JS::NonnullGCPtr<WheelEvent> create(JS::Realm&, FlyString const& event_name, WheelEventInit const& = {}, double page_x = 0, double page_y = 0, double offset_x = 0, double offset_y = 0);
+    [[nodiscard]] static JS::NonnullGCPtr<WheelEvent> construct_impl(JS::Realm&, FlyString const& event_name, WheelEventInit const& = {});
+
     static WebIDL::ExceptionOr<JS::NonnullGCPtr<WheelEvent>> create_from_platform_event(JS::Realm&, FlyString const& event_name, CSSPixelPoint screen, CSSPixelPoint page, CSSPixelPoint client, CSSPixelPoint offset, double delta_x, double delta_y, unsigned button, unsigned buttons, unsigned modifiers);
 
     virtual ~WheelEvent() override;
diff --git a/Userland/Libraries/LibWeb/UIEvents/WheelEvent.idl b/Userland/Libraries/LibWeb/UIEvents/WheelEvent.idl
index 36f60c7f654..0f05a93dc00 100644
--- a/Userland/Libraries/LibWeb/UIEvents/WheelEvent.idl
+++ b/Userland/Libraries/LibWeb/UIEvents/WheelEvent.idl
@@ -3,6 +3,8 @@
 // https://www.w3.org/TR/uievents/#idl-wheelevent
 [Exposed=Window]
 interface WheelEvent : MouseEvent {
+    constructor(DOMString type, optional WheelEventInit eventInitDict = {});
+
     // DeltaModeCode
     const unsigned long DOM_DELTA_PIXEL = 0x00;
     const unsigned long DOM_DELTA_LINE  = 0x01;