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Implement SetNamedItem, SetNamedItemNS, SetAttributeNode and SetAttributeNodeNS

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This commit is contained in:
Mathieu Hordesseaux 2015-12-23 17:21:45 +01:00
parent bc44ae679f
commit 322b120f8a
11 changed files with 105 additions and 67 deletions
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64
components/script/dom/element.rs
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@ -863,9 +863,7 @@ impl Element {
name: Atom,
namespace: Namespace,
prefix: Option<Atom>) {
self.will_mutate_attr();
let window = window_from_node(self);
let in_empty_ns = namespace == ns!();
let attr = Attr::new(&window,
local_name,
value,
@ -873,9 +871,15 @@ impl Element {
namespace,
prefix,
Some(self));
self.attrs.borrow_mut().push(JS::from_rooted(&attr));
if in_empty_ns {
vtable_for(self.upcast()).attribute_mutated(&attr, AttributeMutation::Set(None));
self.push_attribute(&attr);
}
pub fn push_attribute(&self, attr: &Attr) {
assert!(attr.GetOwnerElement().r() == Some(self));
self.will_mutate_attr();
self.attrs.borrow_mut().push(JS::from_ref(attr));
if attr.namespace() == &ns!() {
vtable_for(self.upcast()).attribute_mutated(attr, AttributeMutation::Set(None));
}
}
@ -1269,6 +1273,56 @@ impl ElementMethods for Element {
Ok(())
}
// https://dom.spec.whatwg.org/#dom-element-setattributenode
fn SetAttributeNode(&self, attr: &Attr) -> Fallible<Option<Root<Attr>>> {
// Step 1.
if let Some(owner) = attr.GetOwnerElement() {
if &*owner != self {
return Err(Error::InUseAttribute);
}
}
// Step 2.
let position = self.attrs.borrow().iter().position(|old_attr| {
attr.namespace() == old_attr.namespace() && attr.local_name() == old_attr.local_name()
});
if let Some(position) = position {
let old_attr = Root::from_ref(&*self.attrs.borrow()[position]);
// Step 3.
if old_attr.r() == attr {
return Ok(Some(Root::from_ref(attr)));
}
// Step 4.
self.will_mutate_attr();
attr.set_owner(Some(self));
self.attrs.borrow_mut()[position] = JS::from_ref(attr);
old_attr.set_owner(None);
if attr.namespace() == &ns!() {
vtable_for(self.upcast()).attribute_mutated(
&attr, AttributeMutation::Set(Some(&old_attr.value())));
}
// Step 6.
Ok(Some(old_attr))
} else {
// Step 5.
attr.set_owner(Some(self));
self.push_attribute(attr);
// Step 6.
Ok(None)
}
}
// https://dom.spec.whatwg.org/#dom-element-setattributenodens
fn SetAttributeNodeNS(&self, attr: &Attr) -> Fallible<Option<Root<Attr>>> {
self.SetAttributeNode(attr)
}
// https://dom.spec.whatwg.org/#dom-element-removeattribute
fn RemoveAttribute(&self, name: DOMString) {
let name = self.parsed_name(name);