From 94cf1f08ec2414c755baade8b53a725402b3c7d7 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Sat, 20 Jun 2020 22:26:54 +0200
Subject: [PATCH] LibWeb: Add Node.parentNode and Node.parentElement to DOM API
 :^)

---
 Libraries/LibWeb/DOM/Node.cpp | 14 ++++++++++++++
 Libraries/LibWeb/DOM/Node.h   |  6 ++++++
 Libraries/LibWeb/DOM/Node.idl |  2 ++
 3 files changed, 22 insertions(+)

diff --git a/Libraries/LibWeb/DOM/Node.cpp b/Libraries/LibWeb/DOM/Node.cpp
index 2e6eababc7..835cd68d65 100644
--- a/Libraries/LibWeb/DOM/Node.cpp
+++ b/Libraries/LibWeb/DOM/Node.cpp
@@ -179,4 +179,18 @@ bool Node::is_connected() const
     return root() && root()->is_document();
 }
 
+Element* Node::parent_element()
+{
+    if (!parent() || !is<Element>(parent()))
+        return nullptr;
+    return to<Element>(parent());
+}
+
+const Element* Node::parent_element() const
+{
+    if (!parent() || !is<Element>(parent()))
+        return nullptr;
+    return to<Element>(parent());
+}
+
 }
diff --git a/Libraries/LibWeb/DOM/Node.h b/Libraries/LibWeb/DOM/Node.h
index cc58ba2533..b0065f39b6 100644
--- a/Libraries/LibWeb/DOM/Node.h
+++ b/Libraries/LibWeb/DOM/Node.h
@@ -101,6 +101,12 @@ public:
     const Node* root() const;
     bool is_connected() const;
 
+    Node* parent_node() { return parent(); }
+    const Node* parent_node() const { return parent(); }
+
+    Element* parent_element();
+    const Element* parent_element() const;
+
     template<typename T>
     const T* first_child_of_type() const;
 
diff --git a/Libraries/LibWeb/DOM/Node.idl b/Libraries/LibWeb/DOM/Node.idl
index 97e036d721..2fca1a6d8e 100644
--- a/Libraries/LibWeb/DOM/Node.idl
+++ b/Libraries/LibWeb/DOM/Node.idl
@@ -5,6 +5,8 @@ interface Node : EventTarget {
     readonly attribute Node? lastChild;
     readonly attribute Node? previousSibling;
     readonly attribute Node? nextSibling;
+    readonly attribute Node? parentNode;
+    readonly attribute Element? parentElement;
 
 }