diff options
Diffstat (limited to 'components/script/dom/element.rs')
| -rw-r--r-- | components/script/dom/element.rs | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/components/script/dom/element.rs b/components/script/dom/element.rs index 00a2fee7513..547367e2f36 100644 --- a/components/script/dom/element.rs +++ b/components/script/dom/element.rs @@ -1680,6 +1680,43 @@ impl ElementMethods for Element { self.get_attribute(namespace, &LocalName::from(local_name)) } + // https://dom.spec.whatwg.org/#dom-element-toggleattribute + fn ToggleAttribute(&self, name: DOMString, force: Option<bool>) -> Fallible<bool> { + // Step 1. + if xml_name_type(&name) == InvalidXMLName { + return Err(Error::InvalidCharacter); + } + + // Step 3. + let attribute = self.GetAttribute(name.clone()); + + // Step 2. + let name = self.parsed_name(name); + match attribute { + // Step 4 + None => match force { + // Step 4.1. + None | Some(true) => { + self.set_first_matching_attribute( + name.clone(), AttrValue::String(String::new()), name.clone(), ns!(), None, + |attr| *attr.name() == name); + Ok(true) + }, + // Step 4.2. + Some(false) => Ok(false), + }, + Some(_index) => match force { + // Step 5. + None | Some(false) => { + self.remove_attribute_by_name(&name); + Ok(false) + }, + // Step 6. + Some(true) => Ok(true), + }, + } + } + // https://dom.spec.whatwg.org/#dom-element-setattribute fn SetAttribute(&self, name: DOMString, value: DOMString) -> ErrorResult { // Step 1. |