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#pragma once
#include <AK/String.h>
#include <AK/HashMap.h>
#include <AK/NonnullRefPtr.h>
#include <AK/Optional.h>
#include <LibHTML/CSS/StyleValue.h>
#include <LibHTML/TreeNode.h>
class Node;
enum class Display {
None,
Block,
Inline,
};
class StyledNode : public TreeNode<StyledNode> {
public:
static NonnullRefPtr<StyledNode> create(const Node& node)
{
return adopt(*new StyledNode(&node));
}
~StyledNode();
const Node* node() const { return m_node; }
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);
}
template<typename Callback>
inline void for_each_property(Callback callback) const
{
for (auto& it : m_property_values)
callback(it.key, *it.value);
}
void set_property(const String& name, NonnullRefPtr<StyleValue> value)
{
m_property_values.set(name, move(value));
}
Optional<NonnullRefPtr<StyleValue>> property(const String& name) const
{
auto it = m_property_values.find(name);
if (it == m_property_values.end())
return {};
return it->value;
}
Display display() const;
Length length_or_fallback(const StringView& property_name, const Length& fallback)
{
auto value = property(property_name);
if (!value.has_value())
return fallback;
return value.value()->to_length();
}
protected:
explicit StyledNode(const Node*);
private:
const Node* m_node { nullptr };
HashMap<String, NonnullRefPtr<StyleValue>> m_property_values;
};
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