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LibHTML: Make Node::create_layout_node() virtual

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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.
This commit is contained in:
Andreas Kling 2019-10-05 22:27:52 +02:00
parent 09dccb3224
commit f150134de9
8 changed files with 36 additions and 27 deletions
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25
Libraries/LibHTML/DOM/Node.cpp
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@ -19,31 +19,6 @@ Node::~Node()
{
}
RefPtr<LayoutNode> Node::create_layout_node(const StyleResolver& resolver, const StyleProperties* parent_properties) const
{
if (is_document())
return adopt(*new LayoutDocument(static_cast<const Document&>(*this), StyleProperties::create()));
if (is_text())
return adopt(*new LayoutText(static_cast<const Text&>(*this)));
ASSERT(is_element());
auto style_properties = resolver.resolve_style(static_cast<const Element&>(*this), parent_properties);
auto display_property = style_properties->property("display");
String display = display_property.has_value() ? display_property.release_value()->to_string() : "inline";
if (display == "none")
return nullptr;
if (display == "block" || display == "list-item")
return adopt(*new LayoutBlock(this, move(style_properties)));
if (display == "inline")
return adopt(*new LayoutInline(*this, move(style_properties)));
ASSERT_NOT_REACHED();
}
RefPtr<LayoutNode> Node::create_layout_tree(const StyleResolver& resolver, const StyleProperties* parent_properties) const
{
auto layout_node = create_layout_node(resolver, parent_properties);