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Implement DOMTokenList.toggle

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This commit is contained in:
Bruno de Oliveira Abinader 2014-12-12 12:56:48 -04:00
parent 2cfb4648ce
commit 5afcf3ef65
2 changed files with 27 additions and 1 deletions
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25
components/script/dom/domtokenlist.rs
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@ -128,4 +128,29 @@ impl<'a> DOMTokenListMethods for JSRef<'a, DOMTokenList> {
element.set_atomic_tokenlist_attribute(&self.local_name, atoms);
Ok(())
}
// https://dom.spec.whatwg.org/#dom-domtokenlist-toggle
fn Toggle(self, token: DOMString, force: Option<bool>) -> Fallible<bool> {
let element = self.element.root();
let mut atoms = element.get_tokenlist_attribute(&self.local_name);
let token = try!(self.check_token_exceptions(token.as_slice()));
match atoms.iter().position(|atom| *atom == token) {
Some(index) => match force {
Some(true) => Ok(true),
_ => {
atoms.remove(index);
element.set_atomic_tokenlist_attribute(&self.local_name, atoms);
Ok(false)
}
},
None => match force {
Some(false) => Ok(false),
_ => {
atoms.push(token);
element.set_atomic_tokenlist_attribute(&self.local_name, atoms);
Ok(true)
}
}
}
}
}