ladybird/Userland/Libraries/LibWeb/Layout/InitialContainingBlockBox.h
Andreas Kling a401a0f8fe LibWeb: Add fast_is<Layout::InitialContainingBlockBox>
This is used by Layout::Node::containing_block() which is fairly hot.
2021-08-18 11:45:39 +02:00

42 lines
1.1 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Layout/BlockBox.h>
namespace Web::Layout {
class InitialContainingBlockBox final : public BlockBox {
public:
explicit InitialContainingBlockBox(DOM::Document&, NonnullRefPtr<CSS::StyleProperties>);
virtual ~InitialContainingBlockBox() override;
const DOM::Document& dom_node() const { return static_cast<const DOM::Document&>(*Node::dom_node()); }
void paint_all_phases(PaintContext&);
virtual HitTestResult hit_test(const Gfx::IntPoint&, HitTestType) const override;
const LayoutRange& selection() const { return m_selection; }
void set_selection(const LayoutRange&);
void set_selection_end(const LayoutPosition&);
void build_stacking_context_tree();
void recompute_selection_states();
private:
virtual bool is_initial_containing_block_box() const override { return true; }
LayoutRange m_selection;
};
template<>
inline bool Node::fast_is<InitialContainingBlockBox>() const { return is_initial_containing_block_box(); }
}