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Cleanup Document::handle_mouse_move_event a bit.

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This commit is contained in:
Ms2ger 2015-10-31 13:25:32 +01:00
parent 521a87180a
commit e05d9d0646
1 changed files with 7 additions and 8 deletions
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15
components/script/dom/document.rs
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@ -672,14 +672,13 @@ impl Document {
prev_mouse_over_targets: &mut RootedVec<JS<Element>>) {
// Build a list of elements that are currently under the mouse.
let mouse_over_addresses = self.get_nodes_under_mouse(&point);
let mut mouse_over_targets: RootedVec<JS<Element>> = RootedVec::new();
for node_address in &mouse_over_addresses {
let node = node::from_untrusted_node_address(js_runtime, *node_address);
mouse_over_targets.push(node.r().inclusive_ancestors()
.find(|node| node.is::<Element>())
.map(|node| JS::from_ref(node.downcast::<Element>().unwrap()))
.unwrap());
};
let mut mouse_over_targets = mouse_over_addresses.iter().map(|node_address| {
node::from_untrusted_node_address(js_runtime, *node_address)
.inclusive_ancestors()
.filter_map(Root::downcast::<Element>)
.next()
.unwrap()
}).collect::<RootedVec<JS<Element>>>();
// Remove hover from any elements in the previous list that are no longer
// under the mouse.