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Remove unneeded clones and add some comments.

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This commit is contained in:
Glenn Watson 2014-09-26 19:26:55 +10:00
parent 26cf00ef4e
commit 71758643dc
4 changed files with 10 additions and 3 deletions
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4
components/layout/css/matching.rs
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@ -619,6 +619,10 @@ impl<'ln> MatchMethods for LayoutNode<'ln> {
&Some(ref mut layout_data) => {
match self.type_id() {
Some(TextNodeTypeId) => {
// Text nodes get a copy of the parent style. This ensures
// that during fragment construction any non-inherited
// CSS properties (such as vertical-align) are correctly
// set on the fragment(s).
let cloned_parent_style = parent_style.unwrap().clone();
layout_data.shared_data.style = Some(cloned_parent_style);
}