LibWeb: Move window.scroll{X,Y} from wrapper into DOM::Window

The less we do in WindowObject, the easier it will be to eventually
auto-generate the entire thing.

2 files changed, 19 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/DOM/Window.cpp b/Userland/Libraries/LibWeb/DOM/Window.cpp
index c20df10444..3e2532e9b5 100644
--- a/Userland/Libraries/LibWeb/DOM/Window.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Window.cpp
@@ -260,4 +260,20 @@ NonnullRefPtr<CSS::MediaQueryList> Window::match_media(String media)
     return CSS::MediaQueryList::create(associated_document(), move(media));
 }
 
+// https://www.w3.org/TR/cssom-view/#dom-window-scrollx
+float Window::scroll_x() const
+{
+    if (auto* page = this->page())
+        return page->top_level_browsing_context().viewport_scroll_offset().x();
+    return 0;
+}
+
+// https://www.w3.org/TR/cssom-view/#dom-window-scrolly
+float Window::scroll_y() const
+{
+    if (auto* page = this->page())
+        return page->top_level_browsing_context().viewport_scroll_offset().y();
+    return 0;
+}
+
 }
diff --git a/Userland/Libraries/LibWeb/DOM/Window.h b/Userland/Libraries/LibWeb/DOM/Window.h
index 7381962577..f17873cf49 100644
--- a/Userland/Libraries/LibWeb/DOM/Window.h
+++ b/Userland/Libraries/LibWeb/DOM/Window.h
@@ -80,6 +80,9 @@ public:
     NonnullRefPtr<CSS::CSSStyleDeclaration> get_computed_style(DOM::Element&) const;
     NonnullRefPtr<CSS::MediaQueryList> match_media(String);
 
+    float scroll_x() const;
+    float scroll_y() const;
+
 private:
     explicit Window(Document&);