LibWeb: Implement UserActivation

Author: https://github.com/jamierocks
Commit: 01bd179eef
Pull-request: https://github.com/SerenityOS/serenity/pull/24437
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/mattco98
Reviewed-by: https://github.com/tcl3

Userland/Libraries/LibWeb/HTML/UserActivation.cpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2024, Jamie Mansfield <jmansfield@cadixdev.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/Bindings/UserActivationPrototype.h>
+#include <LibWeb/HTML/UserActivation.h>
+#include <LibWeb/HTML/Window.h>
+
+namespace Web::HTML {
+
+JS_DEFINE_ALLOCATOR(UserActivation);
+
+WebIDL::ExceptionOr<JS::NonnullGCPtr<UserActivation>> UserActivation::construct_impl(JS::Realm& realm)
+{
+    return realm.heap().allocate<UserActivation>(realm, realm);
+}
+
+UserActivation::UserActivation(JS::Realm& realm)
+    : PlatformObject(realm)
+{
+}
+
+void UserActivation::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(UserActivation);
+}
+
+// https://html.spec.whatwg.org/multipage/interaction.html#dom-useractivation-hasbeenactive
+bool UserActivation::has_been_active() const
+{
+    // The hasBeenActive getter steps are to return true if this's relevant global object has sticky activation, and false otherwise.
+    return verify_cast<HTML::Window>(relevant_global_object(*this)).has_sticky_activation();
+}
+
+// https://html.spec.whatwg.org/multipage/interaction.html#dom-useractivation-isactive
+bool UserActivation::is_active() const
+{
+    // The isActive getter steps are to return true if this's relevant global object has transient activation, and false otherwise.
+    return verify_cast<HTML::Window>(relevant_global_object(*this)).has_transient_activation();
+}
+
+}