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LibHTML: Add a convenient way to get from any layout node to the root

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This commit is contained in:
Andreas Kling 2019-11-04 19:37:52 +01:00
parent 2946b0e2d4
commit 715d7a8532
4 changed files with 31 additions and 0 deletions
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20
Libraries/LibHTML/Layout/LayoutNode.cpp
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@ -63,6 +63,26 @@ const Document& LayoutNode::document() const
return node()->document();
}
Document& LayoutNode::document()
{
if (is_anonymous())
return parent()->document();
// FIXME: Remove this const_cast once we give up on the idea of a const link from layout tree to DOM tree.
return const_cast<Node*>(node())->document();
}
const LayoutDocument& LayoutNode::root() const
{
ASSERT(document().layout_node());
return *document().layout_node();
}
LayoutDocument& LayoutNode::root()
{
ASSERT(document().layout_node());
return *document().layout_node();
}
void LayoutNode::split_into_lines(LayoutBlock& container)
{
for_each_child([&](auto& child) {