From e22d9dc360d123b5b3c847a9ec882da220dc8e66 Mon Sep 17 00:00:00 2001
From: Idan Horowitz <idan.horowitz@gmail.com>
Date: Wed, 29 Sep 2021 01:43:24 +0300
Subject: [PATCH] LibWeb: Add the missing EventInit property to Event
 constructor

---
 Userland/Libraries/LibWeb/DOM/Event.h   | 24 +++++++++++++++++++-----
 Userland/Libraries/LibWeb/DOM/Event.idl |  9 +++++++--
 2 files changed, 26 insertions(+), 7 deletions(-)

diff --git a/Userland/Libraries/LibWeb/DOM/Event.h b/Userland/Libraries/LibWeb/DOM/Event.h
index 1da8eadc4e..85c1e9aa58 100644
--- a/Userland/Libraries/LibWeb/DOM/Event.h
+++ b/Userland/Libraries/LibWeb/DOM/Event.h
@@ -13,6 +13,12 @@
 
 namespace Web::DOM {
 
+struct EventInit {
+    bool bubbles { false };
+    bool cancelable { false };
+    bool composed { false };
+};
+
 class Event
     : public RefCounted<Event>
     , public Bindings::Wrappable {
@@ -41,13 +47,13 @@ public:
 
     using Path = Vector<PathEntry>;
 
-    static NonnullRefPtr<Event> create(const FlyString& event_name)
+    static NonnullRefPtr<Event> create(const FlyString& event_name, EventInit const& event_init = {})
     {
-        return adopt_ref(*new Event(event_name));
+        return adopt_ref(*new Event(event_name, event_init));
     }
-    static NonnullRefPtr<Event> create_with_global_object(Bindings::WindowObject&, const FlyString& event_name)
+    static NonnullRefPtr<Event> create_with_global_object(Bindings::WindowObject&, const FlyString& event_name, EventInit const& event_init)
     {
-        return Event::create(event_name);
+        return Event::create(event_name, event_init);
     }
 
     virtual ~Event() { }
@@ -137,11 +143,19 @@ public:
     void init_event(const String&, bool, bool);
 
 protected:
-    explicit Event(const FlyString& type)
+    explicit Event(FlyString const& type)
         : m_type(type)
         , m_initialized(true)
     {
     }
+    Event(FlyString const& type, EventInit const& event_init)
+        : m_type(type)
+        , m_bubbles(event_init.bubbles)
+        , m_cancelable(event_init.cancelable)
+        , m_composed(event_init.composed)
+        , m_initialized(true)
+    {
+    }
 
     void initialize(const String&, bool, bool);
 
diff --git a/Userland/Libraries/LibWeb/DOM/Event.idl b/Userland/Libraries/LibWeb/DOM/Event.idl
index 1b998c6e11..18d45c0d49 100644
--- a/Userland/Libraries/LibWeb/DOM/Event.idl
+++ b/Userland/Libraries/LibWeb/DOM/Event.idl
@@ -1,7 +1,6 @@
 interface Event {
 
-    // FIXME: second parameter: 'optional EventInit eventInitDict = {}'
-    constructor(DOMString type);
+    constructor(DOMString type, optional EventInit eventInitDict = {});
 
     readonly attribute DOMString type;
     readonly attribute EventTarget? target;
@@ -26,3 +25,9 @@ interface Event {
     undefined initEvent(DOMString type, optional boolean bubbles = false, optional boolean cancelable = false);
 
 };
+
+dictionary EventInit {
+    boolean bubbles = false;
+    boolean cancelable = false;
+    boolean composed = false;
+};