From 07cd441e956306c38c1bae0b4f53eed3cd00b54b Mon Sep 17 00:00:00 2001
From: Jamie Mansfield <jmansfield@cadixdev.org>
Date: Fri, 31 May 2024 21:24:43 +0100
Subject: [PATCH] LibWeb: Implement HTMLIFrameElement.referrerPolicy

---
 .../LibWeb/Text/expected/HTML/referrerPolicy-attribute.txt | 7 +++++++
 Tests/LibWeb/Text/input/HTML/referrerPolicy-attribute.html | 2 +-
 Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp       | 4 ++--
 Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl       | 2 +-
 4 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/Tests/LibWeb/Text/expected/HTML/referrerPolicy-attribute.txt b/Tests/LibWeb/Text/expected/HTML/referrerPolicy-attribute.txt
index 77419bfbef..01a817f5af 100644
--- a/Tests/LibWeb/Text/expected/HTML/referrerPolicy-attribute.txt
+++ b/Tests/LibWeb/Text/expected/HTML/referrerPolicy-attribute.txt
@@ -19,6 +19,13 @@ img referrerPolicy value after setting to null: ''
 img referrerPolicy value after setting to "NO-REFERRER": 'no-referrer'
 img referrerPolicy value after setting to "": ''
 img referrerPolicy value after calling removeAttribute: ''
+iframe referrerPolicy initial value: ''
+iframe referrerPolicy value after setting to "invalid": ''
+iframe referrerPolicy value after setting to "no-referrer": 'no-referrer'
+iframe referrerPolicy value after setting to null: ''
+iframe referrerPolicy value after setting to "NO-REFERRER": 'no-referrer'
+iframe referrerPolicy value after setting to "": ''
+iframe referrerPolicy value after calling removeAttribute: ''
 script referrerPolicy initial value: ''
 script referrerPolicy value after setting to "invalid": ''
 script referrerPolicy value after setting to "no-referrer": 'no-referrer'
diff --git a/Tests/LibWeb/Text/input/HTML/referrerPolicy-attribute.html b/Tests/LibWeb/Text/input/HTML/referrerPolicy-attribute.html
index 41dd0df3dc..57d06234ee 100644
--- a/Tests/LibWeb/Text/input/HTML/referrerPolicy-attribute.html
+++ b/Tests/LibWeb/Text/input/HTML/referrerPolicy-attribute.html
@@ -2,7 +2,7 @@
 <script src="../include.js"></script>
 <script>
     test(() => {
-        for (const elementName of ["link", "a", "img", "script"]) {
+        for (const elementName of ["link", "a", "img", "iframe", "script"]) {
             const element = document.createElement(elementName);
             println(`${elementName} referrerPolicy initial value: '${element.referrerPolicy}'`);
             element.referrerPolicy = "invalid";
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp b/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
index e515920ddc..1828a60b0b 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
+++ b/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.cpp
@@ -133,8 +133,8 @@ void HTMLIFrameElement::process_the_iframe_attributes(bool initial_insertion)
         return;
     }
 
-    // FIXME: 4. Let referrerPolicy be the current state of element's referrerpolicy content attribute.
-    auto referrer_policy = ReferrerPolicy::ReferrerPolicy::EmptyString;
+    // 4. Let referrerPolicy be the current state of element's referrerpolicy content attribute.
+    auto referrer_policy = ReferrerPolicy::from_string(get_attribute_value(HTML::AttributeNames::referrerpolicy)).value_or(ReferrerPolicy::ReferrerPolicy::EmptyString);
 
     // 5. Set element's current navigation was lazy loaded boolean to false.
     set_current_navigation_was_lazy_loaded(false);
diff --git a/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl b/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl
index 0e9485d2d0..59307b921c 100644
--- a/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl
+++ b/Userland/Libraries/LibWeb/HTML/HTMLIFrameElement.idl
@@ -16,7 +16,7 @@ interface HTMLIFrameElement : HTMLElement {
     [CEReactions, Reflect=allowfullscreen] attribute boolean allowFullscreen;
     [CEReactions, Reflect] attribute DOMString width;
     [CEReactions, Reflect] attribute DOMString height;
-    [FIXME, CEReactions] attribute DOMString referrerPolicy;
+    [CEReactions, Reflect=referrerpolicy, Enumerated=ReferrerPolicy] attribute DOMString referrerPolicy;
     [CEReactions, Enumerated=LazyLoadingAttribute, Reflect] attribute DOMString loading;
     readonly attribute Document? contentDocument;
     readonly attribute WindowProxy? contentWindow;