LibWeb: Add window.status property

Author: https://github.com/ReimarPB 🔰
Commit: 4299fb604b
Pull-request: https://github.com/SerenityOS/serenity/pull/22164
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/shannonbooth ✅

Userland/Libraries/LibWeb/HTML/Window.cpp

@@ -863,6 +863,20 @@ void Window::set_name(String const& name)
     navigable()->active_session_history_entry()->document_state->set_navigable_target_name(name);
 }
 
+// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-window-status
+String Window::status() const
+{
+    // the status attribute on the Window object must, on getting, return the last string it was set to
+    return m_status;
+}
+
+// https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-window-status
+void Window::set_status(String const& status)
+{
+    // on setting, must set itself to the new value.
+    m_status = status;
+}
+
 // https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-location
 JS::NonnullGCPtr<Location> Window::location()
 {

Userland/Libraries/LibWeb/HTML/Window.h

@@ -134,6 +134,8 @@ public:
     JS::NonnullGCPtr<DOM::Document const> document() const;
     String name() const;
     void set_name(String const&);
+    String status() const;
+    void set_status(String const&);
     [[nodiscard]] JS::NonnullGCPtr<Location> location();
     JS::NonnullGCPtr<History> history() const;
     JS::NonnullGCPtr<Navigation> navigation();
@@ -275,6 +277,10 @@ private:
 
     // https://streams.spec.whatwg.org/#byte-length-queuing-strategy-size-function
     JS::GCPtr<WebIDL::CallbackType> m_byte_length_queuing_strategy_size_function;
+
+    // https://html.spec.whatwg.org/multipage/nav-history-apis.html#dom-window-status
+    // When the Window object is created, the attribute must be set to the empty string. It does not do anything else.
+    String m_status;
 };
 
 void run_animation_frame_callbacks(DOM::Document&, double now);

Userland/Libraries/LibWeb/HTML/Window.idl

@@ -24,6 +24,7 @@ interface Window : EventTarget {
     [Replaceable] readonly attribute WindowProxy self;
     [LegacyUnforgeable] readonly attribute Document document;
     attribute DOMString name;
+    attribute DOMString status;
     [PutForwards=href, LegacyUnforgeable] readonly attribute Location location;
     readonly attribute History history;
     readonly attribute Navigation navigation;