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Clean up HTMLImageElement::areas

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This commit is contained in:
ak1t0 2017-03-09 20:10:24 +09:00
parent dc3b32c853
commit ad1e4475af
1 changed files with 10 additions and 17 deletions
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27
components/script/dom/htmlimageelement.rs
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@ -413,25 +413,18 @@ impl HTMLImageElement {
} }
pub fn areas(&self) -> Option<Vec<Root<HTMLAreaElement>>> { pub fn areas(&self) -> Option<Vec<Root<HTMLAreaElement>>> {
let elem = self.upcast::<Element>(); let elem = self.upcast::<Element>();
let usemap_attr; let usemap_attr = match elem.get_attribute(&ns!(), &local_name!("usemap")) {
if elem.has_attribute(&LocalName::from("usemap")) { Some(attr) => attr,
usemap_attr = elem.get_string_attribute(&local_name!("usemap")); None => return None,
} else { };
return None;
let value = usemap_attr.value();
let (first, last) = value.split_at(1);
if first != "#" || last.len() == 0 {
return None
} }
let (first, last) = usemap_attr.split_at(1);
match first {
"#" => {},
_ => return None,
};
match last.len() {
0 => return None,
_ => {},
};
let map = self.upcast::<Node>() let map = self.upcast::<Node>()
.following_siblings() .following_siblings()
.filter_map(Root::downcast::<HTMLMapElement>) .filter_map(Root::downcast::<HTMLMapElement>)