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layout: Mark correctly parents of dirty elements.

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This commit is contained in:
Emilio Cobos Álvarez 2016-08-12 14:35:03 -07:00
parent 700bb911fc
commit b1fca78cba
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1 changed files with 8 additions and 0 deletions
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8
components/layout_thread/lib.rs
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@ -1114,6 +1114,14 @@ impl LayoutThread {
if node.needs_dirty_on_viewport_size_changed() {
// NB: The dirty bit is propagated down the tree.
unsafe { node.set_dirty(true); }
let mut current = node.parent_node();
while let Some(node) = current {
if node.has_dirty_descendants() { break; }
unsafe { node.set_dirty_descendants(true); }
current = node.parent_node();
}
next = iter.next_skipping_children();
} else {
next = iter.next();