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LibWeb: Allow building partial layout trees

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We can now build partial layout trees (this happens for example when an
element's "display" property is programmatically toggled from "none" to
something else.)
This commit is contained in:
Andreas Kling 2020-11-29 16:11:54 +01:00
parent 127274fd42
commit 4ebb57298b
1 changed files with 4 additions and 3 deletions
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7
Libraries/LibWeb/Layout/TreeBuilder.cpp
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@ -140,9 +140,10 @@ void TreeBuilder::create_layout_tree(DOM::Node& dom_node)
RefPtr<Node> TreeBuilder::build(DOM::Node& dom_node)
{
if (!is<DOM::Document>(dom_node) && dom_node.has_children()) {
dbg() << "FIXME: Support building partial layout trees.";
return nullptr;
if (dom_node.parent()) {
// We're building a partial layout tree, so start by building up the stack of parent layout nodes.
for (auto* ancestor = dom_node.parent()->layout_node(); ancestor; ancestor = ancestor->parent())
m_parent_stack.prepend(ancestor);
}
create_layout_tree(dom_node);