f150134de9
Instead of branching on the Node type, let subclasses decide how their layout nodes get constructed. This will allow elements to create custom layout nodes if they want.
82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
#include <LibHTML/CSS/StyleResolver.h>
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#include <LibHTML/DOM/Element.h>
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#include <LibHTML/Layout/LayoutBlock.h>
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#include <LibHTML/Layout/LayoutInline.h>
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Element::Element(Document& document, const String& tag_name)
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: ParentNode(document, NodeType::ELEMENT_NODE)
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, m_tag_name(tag_name)
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{
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}
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Element::~Element()
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{
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}
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Attribute* Element::find_attribute(const String& name)
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{
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for (auto& attribute : m_attributes) {
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if (attribute.name() == name)
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return &attribute;
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}
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return nullptr;
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}
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const Attribute* Element::find_attribute(const String& name) const
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{
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for (auto& attribute : m_attributes) {
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if (attribute.name() == name)
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return &attribute;
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}
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return nullptr;
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}
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String Element::attribute(const String& name) const
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{
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if (auto* attribute = find_attribute(name))
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return attribute->value();
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return {};
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}
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void Element::set_attribute(const String& name, const String& value)
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{
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if (auto* attribute = find_attribute(name))
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attribute->set_value(value);
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else
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m_attributes.empend(name, value);
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}
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void Element::set_attributes(Vector<Attribute>&& attributes)
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{
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m_attributes = move(attributes);
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}
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bool Element::has_class(const StringView& class_name) const
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{
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auto value = attribute("class");
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if (value.is_empty())
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return false;
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auto parts = value.split_view(' ');
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for (auto& part : parts) {
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if (part == class_name)
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return true;
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}
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return false;
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}
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RefPtr<LayoutNode> Element::create_layout_node(const StyleResolver& resolver, const StyleProperties* parent_properties) const
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{
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auto style_properties = resolver.resolve_style(*this, parent_properties);
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auto display_property = style_properties->property("display");
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String display = display_property.has_value() ? display_property.release_value()->to_string() : "inline";
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if (display == "none")
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return nullptr;
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if (display == "block" || display == "list-item")
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return adopt(*new LayoutBlock(this, move(style_properties)));
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if (display == "inline")
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return adopt(*new LayoutInline(*this, move(style_properties)));
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ASSERT_NOT_REACHED();
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}
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