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#pragma once
#include <AK/NonnullRefPtr.h>
#include <AK/Vector.h>
#include <LibDraw/Rect.h>
#include <LibHTML/CSS/StyleProperties.h>
#include <LibHTML/Layout/BoxModelMetrics.h>
#include <LibHTML/RenderingContext.h>
#include <LibHTML/TreeNode.h>
class Document;
class Element;
class LayoutBlock;
class LayoutNode;
class Node;
struct HitTestResult {
RefPtr<LayoutNode> layout_node;
};
class LayoutNode : public TreeNode<LayoutNode> {
public:
virtual ~LayoutNode();
const Rect& rect() const { return m_rect; }
Rect& rect() { return m_rect; }
void set_rect(const Rect& rect) { m_rect = rect; }
BoxModelMetrics& box_model() { return m_style; }
const BoxModelMetrics& box_model() const { return m_style; }
virtual HitTestResult hit_test(const Point&) const;
bool is_anonymous() const { return !m_node; }
const Node* node() const { return m_node; }
const Document& document() const;
template<typename Callback>
inline void for_each_child(Callback callback) const
{
for (auto* node = first_child(); node; node = node->next_sibling())
callback(*node);
}
template<typename Callback>
inline void for_each_child(Callback callback)
{
for (auto* node = first_child(); node; node = node->next_sibling())
callback(*node);
}
virtual const char* class_name() const { return "LayoutNode"; }
virtual bool is_text() const { return false; }
virtual bool is_block() const { return false; }
virtual bool is_inline() const { return false; }
virtual void layout();
virtual void render(RenderingContext&);
const LayoutBlock* containing_block() const;
virtual LayoutNode& inline_wrapper() { return *this; }
const StyleProperties& style_properties() const
{
if (m_style_properties)
return *m_style_properties;
return parent()->style_properties();
}
void inserted_into(LayoutNode&) {}
void removed_from(LayoutNode&) {}
protected:
explicit LayoutNode(const Node*, RefPtr<StyleProperties>);
private:
const Node* m_node { nullptr };
RefPtr<StyleProperties> m_style_properties;
BoxModelMetrics m_style;
Rect m_rect;
};
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