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LibHTML: Add is<T> and to<T> helpers for LayoutNode class family

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This commit is contained in:
Andreas Kling 2019-10-15 14:19:52 +02:00
parent bbee1c5b98
commit d14b60533f
6 changed files with 75 additions and 5 deletions
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4
Libraries/LibHTML/Layout/LayoutNode.cpp
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@ -31,8 +31,8 @@ void LayoutNode::layout()
const LayoutBlock* LayoutNode::containing_block() const
{
for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
if (ancestor->is_block())
return static_cast<const LayoutBlock*>(ancestor);
if (is<LayoutBlock>(*ancestor))
return to<LayoutBlock>(ancestor);
}
return nullptr;
}