Everywhere: Hoist the Libraries folder to the top-level

Libraries/LibWeb/Layout/Box.cpp

@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
+ * Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <LibWeb/DOM/Document.h>
+#include <LibWeb/HTML/HTMLHtmlElement.h>
+#include <LibWeb/Layout/BlockContainer.h>
+#include <LibWeb/Layout/Box.h>
+#include <LibWeb/Layout/FormattingContext.h>
+#include <LibWeb/Painting/PaintableBox.h>
+
+namespace Web::Layout {
+
+Box::Box(DOM::Document& document, DOM::Node* node, CSS::StyleProperties style)
+    : NodeWithStyleAndBoxModelMetrics(document, node, move(style))
+{
+}
+
+Box::Box(DOM::Document& document, DOM::Node* node, NonnullOwnPtr<CSS::ComputedValues> computed_values)
+    : NodeWithStyleAndBoxModelMetrics(document, node, move(computed_values))
+{
+}
+
+Box::~Box()
+{
+}
+
+void Box::visit_edges(Cell::Visitor& visitor)
+{
+    Base::visit_edges(visitor);
+    visitor.visit(m_contained_abspos_children);
+}
+
+JS::GCPtr<Painting::Paintable> Box::create_paintable() const
+{
+    return Painting::PaintableBox::create(*this);
+}
+
+Painting::PaintableBox* Box::paintable_box()
+{
+    return static_cast<Painting::PaintableBox*>(Node::first_paintable());
+}
+
+Painting::PaintableBox const* Box::paintable_box() const
+{
+    return static_cast<Painting::PaintableBox const*>(Node::first_paintable());
+}
+
+Optional<CSSPixelFraction> Box::preferred_aspect_ratio() const
+{
+    auto computed_aspect_ratio = computed_values().aspect_ratio();
+    if (computed_aspect_ratio.use_natural_aspect_ratio_if_available && natural_aspect_ratio().has_value())
+        return natural_aspect_ratio();
+
+    if (!computed_aspect_ratio.preferred_ratio.has_value())
+        return {};
+
+    auto ratio = computed_aspect_ratio.preferred_ratio.release_value();
+    if (ratio.is_degenerate())
+        return {};
+
+    return CSSPixelFraction(ratio.numerator(), ratio.denominator());
+}
+
+}