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implement Document#createAttribute

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This commit is contained in:
Rohan Prinja 2014-11-22 14:41:47 +05:30
parent b4c3aec383
commit 4b754bd457
8 changed files with 43 additions and 66 deletions
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32
components/script/dom/attr.rs
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@ -82,7 +82,7 @@ pub struct Attr {
prefix: Option<DOMString>,
/// the element that owns this attribute.
owner: JS<Element>,
owner: Option<JS<Element>>,
}
impl Reflectable for Attr {
@ -94,7 +94,7 @@ impl Reflectable for Attr {
impl Attr {
fn new_inherited(local_name: Atom, value: AttrValue,
name: Atom, namespace: Namespace,
prefix: Option<DOMString>, owner: JSRef<Element>) -> Attr {
prefix: Option<DOMString>, owner: Option<JSRef<Element>>) -> Attr {
Attr {
reflector_: Reflector::new(),
local_name: local_name,
@ -102,13 +102,13 @@ impl Attr {
name: name,
namespace: namespace,
prefix: prefix,
owner: JS::from_rooted(owner),
owner: owner.map(|o| JS::from_rooted(o)),
}
}
pub fn new(window: JSRef<Window>, local_name: Atom, value: AttrValue,
name: Atom, namespace: Namespace,
prefix: Option<DOMString>, owner: JSRef<Element>) -> Temporary<Attr> {
prefix: Option<DOMString>, owner: Option<JSRef<Element>>) -> Temporary<Attr> {
reflect_dom_object(box Attr::new_inherited(local_name, value, name, namespace, prefix, owner),
&global::Window(window), AttrBinding::Wrap)
}
@ -139,9 +139,16 @@ impl<'a> AttrMethods for JSRef<'a, Attr> {
}
fn SetValue(self, value: DOMString) {
let owner = self.owner.root();
let value = owner.parse_attribute(&self.namespace, self.local_name(), value);
self.set_value(ReplacedAttr, value);
match self.owner {
None => {
*self.value.borrow_mut() = StringAttrValue(value)
}
Some(o) => {
let owner = o.root();
let value = owner.parse_attribute(&self.namespace, self.local_name(), value);
self.set_value(ReplacedAttr, value, *owner);
}
}
}
fn TextContent(self) -> DOMString {
@ -177,7 +184,7 @@ impl<'a> AttrMethods for JSRef<'a, Attr> {
}
fn GetOwnerElement(self) -> Option<Temporary<Element>> {
Some(Temporary::new(self.owner))
self.owner.map(|o| Temporary::new(o))
}
fn Specified(self) -> bool {
@ -186,16 +193,17 @@ impl<'a> AttrMethods for JSRef<'a, Attr> {
}
pub trait AttrHelpers<'a> {
fn set_value(self, set_type: AttrSettingType, value: AttrValue);
fn set_value(self, set_type: AttrSettingType, value: AttrValue, owner: JSRef<Element>);
fn value(self) -> Ref<'a, AttrValue>;
fn local_name(self) -> &'a Atom;
fn summarize(self) -> AttrInfo;
}
impl<'a> AttrHelpers<'a> for JSRef<'a, Attr> {
fn set_value(self, set_type: AttrSettingType, value: AttrValue) {
let owner = self.owner.root();
let node: JSRef<Node> = NodeCast::from_ref(*owner);
fn set_value(self, set_type: AttrSettingType, value: AttrValue, owner: JSRef<Element>) {
assert!(Some(owner) == self.owner.map(|o| *o.root()));
let node: JSRef<Node> = NodeCast::from_ref(owner);
let namespace_is_null = self.namespace == ns!("");
match set_type {