LibHTML: Reorganize layout tree build so that parents add their children.

This will allow us to insert anonymous blocks with ease.
This commit is contained in:
Andreas Kling 2019-07-08 07:33:58 +02:00
parent 0ccad4208f
commit 8812b35c5e
Notes: sideshowbarker 2024-07-19 13:22:58 +09:00

View File

@ -69,21 +69,23 @@ RefPtr<LayoutNode> Frame::generate_layout_tree(const StyledNode& styled_root)
}
};
Function<RefPtr<LayoutNode>(const StyledNode&, LayoutNode*)> resolve_layout = [&](const StyledNode& styled_node, LayoutNode* parent_layout_node) -> RefPtr<LayoutNode> {
Function<RefPtr<LayoutNode>(const StyledNode&, LayoutNode*)> build_layout_tree;
build_layout_tree = [&](const StyledNode& styled_node, LayoutNode* parent_layout_node) -> RefPtr<LayoutNode> {
auto layout_node = create_layout_node(styled_node);
if (!layout_node)
return nullptr;
if (parent_layout_node)
parent_layout_node->append_child(*layout_node);
if (styled_node.has_children()) {
for (auto* child = styled_node.first_child(); child; child = child->next_sibling()) {
resolve_layout(*child, layout_node.ptr());
for (auto* styled_child = styled_node.first_child(); styled_child; styled_child = styled_child->next_sibling()) {
auto layout_child = build_layout_tree(*styled_child, layout_node.ptr());
if (!layout_child)
continue;
layout_node->append_child(*layout_child);
}
}
return layout_node;
};
return resolve_layout(styled_root, nullptr);
return build_layout_tree(styled_root, nullptr);
}
void Frame::layout()