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Simplify code for directionality

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This commit is contained in:
Dmitry Kolupaev 2020-02-16 22:53:03 +03:00
parent edb940e613
commit 35d340daba
2 changed files with 9 additions and 14 deletions
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13
components/script/dom/element.rs
View file

@ -543,15 +543,12 @@ impl Element {
// https://html.spec.whatwg.org/multipage/#the-directionality
pub fn directionality(&self) -> String {
if let Some(directionality) = self
.downcast::<HTMLElement>()
self.downcast::<HTMLElement>()
.and_then(|html_element| html_element.directionality())
{
directionality
} else {
let node = self.upcast::<Node>();
node.parent_directionality()
}
.unwrap_or_else(|| {
let node = self.upcast::<Node>();
node.parent_directionality()
})
}
}

10
components/script/dom/node.rs
View file

@ -438,21 +438,19 @@ impl Node {
loop {
match current {
Some(parent) => {
if let Some(directionality) = parent
Some(node) => {
if let Some(directionality) = node
.downcast::<HTMLElement>()
.and_then(|html_element| html_element.directionality())
{
return directionality;
} else {
current = parent.GetParentNode();
current = node.GetParentNode();
}
},
None => break,
None => return "ltr".to_owned(),
}
}
"ltr".to_owned()
}
}