Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibWeb/HTML/HTMLHtmlElement.cpp

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/Bindings/HTMLHtmlElementPrototype.h>
+#include <LibWeb/Bindings/Intrinsics.h>
+#include <LibWeb/HTML/HTMLHtmlElement.h>
+#include <LibWeb/Layout/Node.h>
+
+namespace Web::HTML {
+
+JS_DEFINE_ALLOCATOR(HTMLHtmlElement);
+
+HTMLHtmlElement::HTMLHtmlElement(DOM::Document& document, DOM::QualifiedName qualified_name)
+    : HTMLElement(document, move(qualified_name))
+{
+}
+
+HTMLHtmlElement::~HTMLHtmlElement() = default;
+
+void HTMLHtmlElement::initialize(JS::Realm& realm)
+{
+    Base::initialize(realm);
+    WEB_SET_PROTOTYPE_FOR_INTERFACE(HTMLHtmlElement);
+}
+
+bool HTMLHtmlElement::should_use_body_background_properties() const
+{
+    auto background_color = layout_node()->computed_values().background_color();
+    auto const& background_layers = layout_node()->background_layers();
+
+    for (auto& layer : background_layers) {
+        if (layer.background_image)
+            return false;
+    }
+
+    return (background_color == Color::Transparent);
+}
+
+}