LibWeb: Implement HTMLAreaElement.referrerPolicy

Tests/LibWeb/Text/expected/HTML/referrerPolicy-attribute.txt

@@ -12,6 +12,13 @@ a referrerPolicy value after setting to null: ''
 a referrerPolicy value after setting to "NO-REFERRER": 'no-referrer'
 a referrerPolicy value after setting to "": ''
 a referrerPolicy value after calling removeAttribute: ''
+area referrerPolicy initial value: ''
+area referrerPolicy value after setting to "invalid": ''
+area referrerPolicy value after setting to "no-referrer": 'no-referrer'
+area referrerPolicy value after setting to null: ''
+area referrerPolicy value after setting to "NO-REFERRER": 'no-referrer'
+area referrerPolicy value after setting to "": ''
+area referrerPolicy value after calling removeAttribute: ''
 img referrerPolicy initial value: ''
 img referrerPolicy value after setting to "invalid": ''
 img referrerPolicy value after setting to "no-referrer": 'no-referrer'

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", "iframe", "script"]) {
+        for (const elementName of ["link", "a", "area", "img", "iframe", "script"]) {
             const element = document.createElement(elementName);
             println(`${elementName} referrerPolicy initial value: '${element.referrerPolicy}'`);
             element.referrerPolicy = "invalid";

Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.cpp

@@ -61,6 +61,11 @@ WebIDL::ExceptionOr<void> HTMLAnchorElement::set_hyperlink_element_utils_href(St
     return set_attribute(HTML::AttributeNames::href, move(href));
 }
 
+Optional<String> HTMLAnchorElement::hyperlink_element_utils_referrerpolicy() const
+{
+    return attribute(HTML::AttributeNames::referrerpolicy);
+}
+
 bool HTMLAnchorElement::has_activation_behavior() const
 {
     return true;

Userland/Libraries/LibWeb/HTML/HTMLAnchorElement.h

@@ -52,6 +52,7 @@ private:
     virtual DOM::Document& hyperlink_element_utils_document() override { return document(); }
     virtual Optional<String> hyperlink_element_utils_href() const override;
     virtual WebIDL::ExceptionOr<void> set_hyperlink_element_utils_href(String) override;
+    virtual Optional<String> hyperlink_element_utils_referrerpolicy() const override;
     virtual bool hyperlink_element_utils_is_html_anchor_element() const final { return true; }
     virtual bool hyperlink_element_utils_is_connected() const final { return is_connected(); }
     virtual void hyperlink_element_utils_queue_an_element_task(HTML::Task::Source source, Function<void()> steps) override

Userland/Libraries/LibWeb/HTML/HTMLAreaElement.cpp

@@ -63,6 +63,11 @@ WebIDL::ExceptionOr<void> HTMLAreaElement::set_hyperlink_element_utils_href(Stri
     return set_attribute(HTML::AttributeNames::href, move(href));
 }
 
+Optional<String> HTMLAreaElement::hyperlink_element_utils_referrerpolicy() const
+{
+    return attribute(HTML::AttributeNames::referrerpolicy);
+}
+
 // https://html.spec.whatwg.org/multipage/interaction.html#dom-tabindex
 i32 HTMLAreaElement::default_tab_index_value() const
 {

Userland/Libraries/LibWeb/HTML/HTMLAreaElement.h

@@ -36,6 +36,7 @@ private:
     virtual DOM::Document& hyperlink_element_utils_document() override { return document(); }
     virtual Optional<String> hyperlink_element_utils_href() const override;
     virtual WebIDL::ExceptionOr<void> set_hyperlink_element_utils_href(String) override;
+    virtual Optional<String> hyperlink_element_utils_referrerpolicy() const override;
     virtual bool hyperlink_element_utils_is_html_anchor_element() const override { return false; }
     virtual bool hyperlink_element_utils_is_connected() const override { return is_connected(); }
     virtual void hyperlink_element_utils_queue_an_element_task(HTML::Task::Source source, Function<void()> steps) override

Userland/Libraries/LibWeb/HTML/HTMLAreaElement.idl

@@ -1,3 +1,4 @@
+#import <Fetch/Request.idl>
 #import <HTML/HTMLElement.idl>
 #import <HTML/HTMLHyperlinkElementUtils.idl>
 
@@ -15,7 +16,7 @@ interface HTMLAreaElement : HTMLElement {
     [CEReactions, Reflect] attribute USVString ping;
     [CEReactions, Reflect] attribute DOMString rel;
     [SameObject, PutForwards=value] readonly attribute DOMTokenList relList;
-    [FIXME, CEReactions] attribute DOMString referrerPolicy;
+    [CEReactions, Reflect=referrerpolicy, Enumerated=ReferrerPolicy] attribute DOMString referrerPolicy;
 
     // Obsolete
     [Reflect=nohref] attribute boolean noHref;

Userland/Libraries/LibWeb/HTML/HTMLHyperlinkElementUtils.cpp

@@ -515,9 +515,10 @@ void HTMLHyperlinkElementUtils::follow_the_hyperlink(Optional<String> hyperlink_
         url_string = MUST(url_builder.to_string());
     }
 
-    // FIXME: 11. Let referrerPolicy be the current state of subject's referrerpolicy content attribute.
+    // 11. Let referrerPolicy be the current state of subject's referrerpolicy content attribute.
+    auto referrer_policy = ReferrerPolicy::from_string(hyperlink_element_utils_referrerpolicy().value_or({})).value_or(ReferrerPolicy::ReferrerPolicy::EmptyString);
+
     // FIXME: 12. If subject's link types includes the noreferrer keyword, then set referrerPolicy to "no-referrer".
-    auto const referrer_policy = ReferrerPolicy::ReferrerPolicy::EmptyString;
 
     // 13. Navigate targetNavigable to urlString using subject's node document, with referrerPolicy set to referrerPolicy and userInvolvement set to userInvolvement.
     MUST(target_navigable->navigate({ .url = url_string, .source_document = hyperlink_element_utils_document(), .referrer_policy = referrer_policy, .user_involvement = user_involvement }));

Userland/Libraries/LibWeb/HTML/HTMLHyperlinkElementUtils.h

@@ -54,6 +54,7 @@ protected:
     virtual DOM::Document& hyperlink_element_utils_document() = 0;
     virtual Optional<String> hyperlink_element_utils_href() const = 0;
     virtual WebIDL::ExceptionOr<void> set_hyperlink_element_utils_href(String) = 0;
+    virtual Optional<String> hyperlink_element_utils_referrerpolicy() const = 0;
     virtual bool hyperlink_element_utils_is_html_anchor_element() const = 0;
     virtual bool hyperlink_element_utils_is_connected() const = 0;
     virtual String hyperlink_element_utils_get_an_elements_target() const = 0;