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