From 34b2a4f7caf8693ca38765e03dcada649cbe988b Mon Sep 17 00:00:00 2001
From: Jamie Mansfield <jmansfield@cadixdev.org>
Date: Sat, 25 May 2024 14:24:07 +0100
Subject: [PATCH] LibWeb: Add getter for history-action activation

---
 Userland/Libraries/LibWeb/HTML/Window.cpp | 7 +++++++
 Userland/Libraries/LibWeb/HTML/Window.h   | 3 +++
 2 files changed, 10 insertions(+)

diff --git a/Userland/Libraries/LibWeb/HTML/Window.cpp b/Userland/Libraries/LibWeb/HTML/Window.cpp
index 28667ca2be5..ac8baea3bc8 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.cpp
+++ b/Userland/Libraries/LibWeb/HTML/Window.cpp
@@ -631,6 +631,13 @@ bool Window::has_transient_activation() const
     return false;
 }
 
+// https://html.spec.whatwg.org/multipage/interaction.html#history-action-activation
+bool Window::has_history_action_activation() const
+{
+    // When the last history-action activation timestamp of W is not equal to the last activation timestamp of W, then W is said to have history-action activation.
+    return m_last_history_action_activation_timestamp != m_last_activation_timestamp;
+}
+
 // https://w3c.github.io/requestidlecallback/#start-an-idle-period-algorithm
 void Window::start_an_idle_period()
 {
diff --git a/Userland/Libraries/LibWeb/HTML/Window.h b/Userland/Libraries/LibWeb/HTML/Window.h
index 2ca57ef6061..2d8d1712cd5 100644
--- a/Userland/Libraries/LibWeb/HTML/Window.h
+++ b/Userland/Libraries/LibWeb/HTML/Window.h
@@ -122,6 +122,9 @@ public:
     // https://html.spec.whatwg.org/multipage/interaction.html#transient-activation
     bool has_transient_activation() const;
 
+    // https://html.spec.whatwg.org/multipage/interaction.html#history-action-activation
+    bool has_history_action_activation() const;
+
     WebIDL::ExceptionOr<void> initialize_web_interfaces(Badge<WindowEnvironmentSettingsObject>);
 
     Vector<JS::NonnullGCPtr<Plugin>> pdf_viewer_plugin_objects();