servo/src/components/script/dom/element.rs

779 lines
27 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
//! Element nodes.
use dom::attr::{Attr, ReplacedAttr, FirstSetAttr, AttrMethods};
use dom::attrlist::AttrList;
use dom::bindings::codegen::BindingDeclarations::ElementBinding;
use dom::bindings::codegen::InheritTypes::{ElementDerived, NodeCast};
use dom::bindings::js::{JS, JSRef, Temporary, TemporaryPushable};
use dom::bindings::js::{OptionalSettable, OptionalRootable, Root};
use dom::bindings::utils::{Reflectable, Reflector};
use dom::bindings::error::{ErrorResult, Fallible, NamespaceError, InvalidCharacter};
use dom::bindings::utils::{QName, Name, InvalidXMLName, xml_name_type};
use dom::clientrect::ClientRect;
use dom::clientrectlist::ClientRectList;
use dom::document::{Document, DocumentHelpers};
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::htmlcollection::HTMLCollection;
use dom::htmlserializer::serialize;
use dom::node::{ElementNodeTypeId, Node, NodeHelpers, NodeIterator, document_from_node};
use dom::node::{window_from_node, LayoutNodeHelpers};
use dom::virtualmethods::{VirtualMethods, vtable_for};
use layout_interface::ContentChangedDocumentDamage;
use layout_interface::MatchSelectorsDocumentDamage;
use style;
use servo_util::namespace;
use servo_util::namespace::{Namespace, Null};
use servo_util::str::{DOMString, null_str_as_empty_ref, split_html_space_chars};
use std::ascii::StrAsciiExt;
use std::cast;
#[deriving(Encodable)]
pub struct Element {
pub node: Node,
pub local_name: DOMString, // TODO: This should be an atom, not a DOMString.
pub namespace: Namespace,
pub prefix: Option<DOMString>,
pub attrs: Vec<JS<Attr>>,
pub style_attribute: Option<style::PropertyDeclarationBlock>,
pub attr_list: Option<JS<AttrList>>
}
impl ElementDerived for EventTarget {
fn is_element(&self) -> bool {
match self.type_id {
NodeTargetTypeId(ElementNodeTypeId(_)) => true,
_ => false
}
}
}
impl Reflectable for Element {
fn reflector<'a>(&'a self) -> &'a Reflector {
self.node.reflector()
}
fn mut_reflector<'a>(&'a mut self) -> &'a mut Reflector {
self.node.mut_reflector()
}
}
#[deriving(Eq,Encodable)]
pub enum ElementTypeId {
HTMLElementTypeId,
HTMLAnchorElementTypeId,
HTMLAppletElementTypeId,
HTMLAreaElementTypeId,
HTMLAudioElementTypeId,
HTMLBaseElementTypeId,
HTMLBRElementTypeId,
HTMLBodyElementTypeId,
HTMLButtonElementTypeId,
HTMLCanvasElementTypeId,
HTMLDataElementTypeId,
HTMLDataListElementTypeId,
HTMLDirectoryElementTypeId,
HTMLDListElementTypeId,
HTMLDivElementTypeId,
HTMLEmbedElementTypeId,
HTMLFieldSetElementTypeId,
HTMLFontElementTypeId,
HTMLFormElementTypeId,
HTMLFrameElementTypeId,
HTMLFrameSetElementTypeId,
HTMLHRElementTypeId,
HTMLHeadElementTypeId,
HTMLHeadingElementTypeId,
HTMLHtmlElementTypeId,
HTMLIFrameElementTypeId,
HTMLImageElementTypeId,
HTMLInputElementTypeId,
HTMLLabelElementTypeId,
HTMLLegendElementTypeId,
HTMLLinkElementTypeId,
HTMLLIElementTypeId,
HTMLMainElementTypeId,
HTMLMapElementTypeId,
HTMLMediaElementTypeId,
HTMLMetaElementTypeId,
HTMLMeterElementTypeId,
HTMLModElementTypeId,
HTMLObjectElementTypeId,
HTMLOListElementTypeId,
HTMLOptGroupElementTypeId,
HTMLOptionElementTypeId,
HTMLOutputElementTypeId,
HTMLParagraphElementTypeId,
HTMLParamElementTypeId,
HTMLPreElementTypeId,
HTMLProgressElementTypeId,
HTMLQuoteElementTypeId,
HTMLScriptElementTypeId,
HTMLSelectElementTypeId,
HTMLSourceElementTypeId,
HTMLSpanElementTypeId,
HTMLStyleElementTypeId,
HTMLTableElementTypeId,
HTMLTableCaptionElementTypeId,
HTMLTableDataCellElementTypeId,
HTMLTableHeaderCellElementTypeId,
HTMLTableColElementTypeId,
HTMLTableRowElementTypeId,
HTMLTableSectionElementTypeId,
HTMLTemplateElementTypeId,
HTMLTextAreaElementTypeId,
HTMLTimeElementTypeId,
HTMLTitleElementTypeId,
HTMLTrackElementTypeId,
HTMLUListElementTypeId,
HTMLVideoElementTypeId,
HTMLUnknownElementTypeId,
ElementTypeId,
}
//
// Element methods
//
impl Element {
pub fn new_inherited(type_id: ElementTypeId, local_name: DOMString, namespace: Namespace, prefix: Option<DOMString>, document: &JSRef<Document>) -> Element {
Element {
node: Node::new_inherited(ElementNodeTypeId(type_id), document),
local_name: local_name,
namespace: namespace,
prefix: prefix,
attrs: vec!(),
attr_list: None,
style_attribute: None,
}
}
pub fn new(local_name: DOMString, namespace: Namespace, prefix: Option<DOMString>, document: &JSRef<Document>) -> Temporary<Element> {
let element = Element::new_inherited(ElementTypeId, local_name, namespace, prefix, document);
Node::reflect_node(~element, document, ElementBinding::Wrap)
}
}
pub trait RawLayoutElementHelpers {
unsafe fn get_attr_val_for_layout(&self, namespace: &Namespace, name: &str) -> Option<&'static str>;
}
impl RawLayoutElementHelpers for Element {
#[inline]
unsafe fn get_attr_val_for_layout(&self, namespace: &Namespace, name: &str)
-> Option<&'static str> {
self.attrs.iter().find(|attr: & &JS<Attr>| {
let attr = attr.unsafe_get();
name == (*attr).local_name && (*attr).namespace == *namespace
}).map(|attr| {
let attr = attr.unsafe_get();
cast::transmute((*attr).value.as_slice())
})
}
}
pub trait LayoutElementHelpers {
unsafe fn html_element_in_html_document_for_layout(&self) -> bool;
}
impl LayoutElementHelpers for JS<Element> {
unsafe fn html_element_in_html_document_for_layout(&self) -> bool {
if (*self.unsafe_get()).namespace != namespace::HTML {
return false
}
let node: JS<Node> = self.transmute_copy();
let owner_doc = node.owner_doc_for_layout().unsafe_get();
(*owner_doc).is_html_document
}
}
pub trait ElementHelpers {
fn html_element_in_html_document(&self) -> bool;
}
impl<'a> ElementHelpers for JSRef<'a, Element> {
fn html_element_in_html_document(&self) -> bool {
let is_html = self.namespace == namespace::HTML;
let node: &JSRef<Node> = NodeCast::from_ref(self);
is_html && node.owner_doc().root().is_html_document
}
}
pub trait AttributeHandlers {
fn get_attribute(&self, namespace: Namespace, name: &str) -> Option<Temporary<Attr>>;
fn set_attr(&mut self, name: DOMString, value: DOMString) -> ErrorResult;
fn set_attribute(&mut self, namespace: Namespace, name: DOMString,
value: DOMString) -> ErrorResult;
fn do_set_attribute(&mut self, local_name: DOMString, value: DOMString,
name: DOMString, namespace: Namespace,
prefix: Option<DOMString>, cb: |&JSRef<Attr>| -> bool);
fn remove_attribute(&mut self, namespace: Namespace, name: DOMString) -> ErrorResult;
fn notify_attribute_changed(&self, local_name: DOMString);
fn has_class(&self, name: &str) -> bool;
// http://www.whatwg.org/html/#reflecting-content-attributes-in-idl-attributes
fn get_url_attribute(&self, name: &str) -> DOMString;
fn set_url_attribute(&mut self, name: &str, value: DOMString);
fn get_string_attribute(&self, name: &str) -> DOMString;
fn set_string_attribute(&mut self, name: &str, value: DOMString);
fn set_uint_attribute(&mut self, name: &str, value: u32);
}
impl<'a> AttributeHandlers for JSRef<'a, Element> {
fn get_attribute(&self, namespace: Namespace, name: &str) -> Option<Temporary<Attr>> {
if self.html_element_in_html_document() {
self.deref().attrs.iter().map(|attr| attr.root()).find(|attr| {
name.to_ascii_lower() == attr.local_name && attr.namespace == namespace
}).map(|x| Temporary::from_rooted(&*x))
} else {
self.deref().attrs.iter().map(|attr| attr.root()).find(|attr| {
name == attr.local_name && attr.namespace == namespace
}).map(|x| Temporary::from_rooted(&*x))
}
}
fn set_attr(&mut self, name: DOMString, value: DOMString) -> ErrorResult {
self.set_attribute(namespace::Null, name, value)
}
fn set_attribute(&mut self, namespace: Namespace, name: DOMString,
value: DOMString) -> ErrorResult {
let (prefix, local_name) = get_attribute_parts(name.clone());
match prefix {
Some(ref prefix_str) => {
if namespace == namespace::Null ||
("xml" == prefix_str.as_slice() && namespace != namespace::XML) ||
("xmlns" == prefix_str.as_slice() && namespace != namespace::XMLNS) {
return Err(NamespaceError);
}
},
None => {}
}
let self_alias = self.clone();
let node: &JSRef<Node> = NodeCast::from_ref(&self_alias);
node.wait_until_safe_to_modify_dom();
let position: |&JSRef<Attr>| -> bool =
if self.html_element_in_html_document() {
|attr| attr.deref().local_name.eq_ignore_ascii_case(local_name)
} else {
|attr| attr.deref().local_name == local_name
};
self.do_set_attribute(name.clone(), value, name.clone(), namespace::Null, None, position);
Ok(())
}
fn do_set_attribute(&mut self, local_name: DOMString, value: DOMString,
name: DOMString, namespace: Namespace,
prefix: Option<DOMString>, cb: |&JSRef<Attr>| -> bool) {
let idx = self.deref().attrs.iter()
.map(|attr| attr.root())
.position(|attr| cb(&*attr));
let (idx, set_type) = match idx {
Some(idx) => (idx, ReplacedAttr),
None => {
let window = window_from_node(self).root();
let attr = Attr::new(&*window, local_name.clone(), value.clone(),
name, namespace.clone(), prefix, self);
self.deref_mut().attrs.push_unrooted(&attr);
(self.deref().attrs.len() - 1, FirstSetAttr)
}
};
self.deref_mut().attrs.get(idx).root().set_value(set_type, value);
}
fn remove_attribute(&mut self, namespace: Namespace, name: DOMString) -> ErrorResult {
let (_, local_name) = get_attribute_parts(name.clone());
let idx = self.deref().attrs.iter().map(|attr| attr.root()).position(|attr| {
attr.local_name == local_name
});
match idx {
None => (),
Some(idx) => {
{
let node: &mut JSRef<Node> = NodeCast::from_mut_ref(self);
node.wait_until_safe_to_modify_dom();
}
if namespace == namespace::Null {
let removed_raw_value = self.deref().attrs.get(idx).root().Value();
vtable_for(NodeCast::from_mut_ref(self))
.before_remove_attr(local_name.clone(), removed_raw_value);
}
self.deref_mut().attrs.remove(idx);
}
};
Ok(())
}
fn notify_attribute_changed(&self, local_name: DOMString) {
let node: &JSRef<Node> = NodeCast::from_ref(self);
if node.is_in_doc() {
let damage = match local_name.as_slice() {
"style" | "id" | "class" => MatchSelectorsDocumentDamage,
_ => ContentChangedDocumentDamage
};
let document = node.owner_doc().root();
document.deref().damage_and_reflow(damage);
}
}
fn has_class(&self, name: &str) -> bool {
let class_names = self.get_string_attribute("class");
let mut classes = split_html_space_chars(class_names);
classes.any(|class| name == class)
}
fn get_url_attribute(&self, name: &str) -> DOMString {
// XXX Resolve URL.
self.get_string_attribute(name)
}
fn set_url_attribute(&mut self, name: &str, value: DOMString) {
self.set_string_attribute(name, value);
}
fn get_string_attribute(&self, name: &str) -> DOMString {
match self.get_attribute(Null, name) {
Some(x) => {
let x = x.root();
x.deref().Value()
}
None => "".to_owned()
}
}
fn set_string_attribute(&mut self, name: &str, value: DOMString) {
assert!(name == name.to_ascii_lower());
assert!(self.set_attribute(Null, name.to_owned(), value).is_ok());
}
fn set_uint_attribute(&mut self, name: &str, value: u32) {
assert!(name == name.to_ascii_lower());
assert!(self.set_attribute(Null, name.to_owned(), value.to_str()).is_ok());
}
}
impl Element {
pub fn is_void(&self) -> bool {
if self.namespace != namespace::HTML {
return false
}
match self.local_name.as_slice() {
/* List of void elements from
http://www.whatwg.org/specs/web-apps/current-work/multipage/the-end.html#html-fragment-serialization-algorithm */
"area" | "base" | "basefont" | "bgsound" | "br" | "col" | "embed" |
"frame" | "hr" | "img" | "input" | "keygen" | "link" | "menuitem" |
"meta" | "param" | "source" | "track" | "wbr" => true,
_ => false
}
}
}
pub trait ElementMethods {
fn NamespaceURI(&self) -> DOMString;
fn LocalName(&self) -> DOMString;
fn GetPrefix(&self) -> Option<DOMString>;
fn TagName(&self) -> DOMString;
fn Id(&self) -> DOMString;
fn SetId(&mut self, id: DOMString);
fn ClassName(&self) -> DOMString;
fn SetClassName(&mut self, class: DOMString);
fn Attributes(&mut self) -> Temporary<AttrList>;
fn GetAttribute(&self, name: DOMString) -> Option<DOMString>;
fn GetAttributeNS(&self, namespace: Option<DOMString>, local_name: DOMString) -> Option<DOMString>;
fn SetAttribute(&mut self, name: DOMString, value: DOMString) -> ErrorResult;
fn SetAttributeNS(&mut self, namespace_url: Option<DOMString>, name: DOMString, value: DOMString) -> ErrorResult;
fn RemoveAttribute(&mut self, name: DOMString) -> ErrorResult;
fn RemoveAttributeNS(&mut self, namespace: Option<DOMString>, localname: DOMString) -> ErrorResult;
fn HasAttribute(&self, name: DOMString) -> bool;
fn HasAttributeNS(&self, namespace: Option<DOMString>, local_name: DOMString) -> bool;
fn GetElementsByTagName(&self, localname: DOMString) -> Temporary<HTMLCollection>;
fn GetElementsByTagNameNS(&self, maybe_ns: Option<DOMString>, localname: DOMString) -> Temporary<HTMLCollection>;
fn GetElementsByClassName(&self, classes: DOMString) -> Temporary<HTMLCollection>;
fn GetClientRects(&self) -> Temporary<ClientRectList>;
fn GetBoundingClientRect(&self) -> Temporary<ClientRect>;
fn GetInnerHTML(&self) -> Fallible<DOMString>;
fn GetOuterHTML(&self) -> Fallible<DOMString>;
fn Children(&self) -> Temporary<HTMLCollection>;
}
impl<'a> ElementMethods for JSRef<'a, Element> {
// http://dom.spec.whatwg.org/#dom-element-namespaceuri
fn NamespaceURI(&self) -> DOMString {
self.namespace.to_str().to_owned()
}
fn LocalName(&self) -> DOMString {
self.local_name.clone()
}
// http://dom.spec.whatwg.org/#dom-element-prefix
fn GetPrefix(&self) -> Option<DOMString> {
self.prefix.clone()
}
// http://dom.spec.whatwg.org/#dom-element-tagname
fn TagName(&self) -> DOMString {
match self.prefix {
None => {
self.local_name.to_ascii_upper()
}
Some(ref prefix_str) => {
(*prefix_str + ":" + self.local_name).to_ascii_upper()
}
}
}
// http://dom.spec.whatwg.org/#dom-element-id
fn Id(&self) -> DOMString {
self.get_string_attribute("id")
}
// http://dom.spec.whatwg.org/#dom-element-id
fn SetId(&mut self, id: DOMString) {
self.set_string_attribute("id", id);
}
// http://dom.spec.whatwg.org/#dom-element-classname
fn ClassName(&self) -> DOMString {
self.get_string_attribute("class")
}
// http://dom.spec.whatwg.org/#dom-element-classname
fn SetClassName(&mut self, class: DOMString) {
self.set_string_attribute("class", class);
}
// http://dom.spec.whatwg.org/#dom-element-attributes
fn Attributes(&mut self) -> Temporary<AttrList> {
match self.attr_list {
None => (),
Some(ref list) => return Temporary::new(list.clone()),
}
let doc = {
let node: &JSRef<Node> = NodeCast::from_ref(self);
node.owner_doc().root()
};
let window = doc.deref().window.root();
let list = AttrList::new(&*window, self);
self.attr_list.assign(Some(list));
Temporary::new(self.attr_list.get_ref().clone())
}
// http://dom.spec.whatwg.org/#dom-element-getattribute
fn GetAttribute(&self, name: DOMString) -> Option<DOMString> {
let name = if self.html_element_in_html_document() {
name.to_ascii_lower()
} else {
name
};
self.get_attribute(Null, name).root()
.map(|s| s.deref().Value())
}
// http://dom.spec.whatwg.org/#dom-element-getattributens
fn GetAttributeNS(&self,
namespace: Option<DOMString>,
local_name: DOMString) -> Option<DOMString> {
let namespace = Namespace::from_str(null_str_as_empty_ref(&namespace));
self.get_attribute(namespace, local_name).root()
.map(|attr| attr.deref().Value())
}
// http://dom.spec.whatwg.org/#dom-element-setattribute
fn SetAttribute(&mut self,
name: DOMString,
value: DOMString) -> ErrorResult {
{
let node: &JSRef<Node> = NodeCast::from_ref(self);
node.wait_until_safe_to_modify_dom();
}
// Step 1.
match xml_name_type(name) {
InvalidXMLName => return Err(InvalidCharacter),
_ => {}
}
// Step 2.
let name = if self.html_element_in_html_document() {
name.to_ascii_lower()
} else {
name
};
// Step 3-5.
self.do_set_attribute(name.clone(), value, name.clone(), namespace::Null, None, |attr| {
attr.deref().name == name
});
Ok(())
}
// http://dom.spec.whatwg.org/#dom-element-setattributens
fn SetAttributeNS(&mut self,
namespace_url: Option<DOMString>,
name: DOMString,
value: DOMString) -> ErrorResult {
{
let node: &JSRef<Node> = NodeCast::from_ref(self);
node.wait_until_safe_to_modify_dom();
}
// Step 1.
let namespace = Namespace::from_str(null_str_as_empty_ref(&namespace_url));
let name_type = xml_name_type(name);
match name_type {
// Step 2.
InvalidXMLName => return Err(InvalidCharacter),
// Step 3.
Name => return Err(NamespaceError),
QName => {}
}
// Step 4.
let (prefix, local_name) = get_attribute_parts(name.clone());
match prefix {
Some(ref prefix_str) => {
// Step 5.
if namespace == namespace::Null {
return Err(NamespaceError);
}
// Step 6.
if "xml" == prefix_str.as_slice() && namespace != namespace::XML {
return Err(NamespaceError);
}
// Step 7b.
if "xmlns" == prefix_str.as_slice() && namespace != namespace::XMLNS {
return Err(NamespaceError);
}
},
None => {}
}
// Step 7a.
if "xmlns" == name && namespace != namespace::XMLNS {
return Err(NamespaceError);
}
// Step 8.
if namespace == namespace::XMLNS && "xmlns" != name && Some("xmlns".to_owned()) != prefix {
return Err(NamespaceError);
}
// Step 9.
self.do_set_attribute(local_name.clone(), value, name, namespace.clone(), prefix, |attr| {
attr.deref().local_name == local_name &&
attr.deref().namespace == namespace
});
Ok(())
}
// http://dom.spec.whatwg.org/#dom-element-removeattribute
fn RemoveAttribute(&mut self,
name: DOMString) -> ErrorResult {
let name = if self.html_element_in_html_document() {
name.to_ascii_lower()
} else {
name
};
self.remove_attribute(namespace::Null, name)
}
// http://dom.spec.whatwg.org/#dom-element-removeattributens
fn RemoveAttributeNS(&mut self,
namespace: Option<DOMString>,
localname: DOMString) -> ErrorResult {
let namespace = Namespace::from_str(null_str_as_empty_ref(&namespace));
self.remove_attribute(namespace, localname)
}
// http://dom.spec.whatwg.org/#dom-element-hasattribute
fn HasAttribute(&self,
name: DOMString) -> bool {
self.GetAttribute(name).is_some()
}
// http://dom.spec.whatwg.org/#dom-element-hasattributens
fn HasAttributeNS(&self,
namespace: Option<DOMString>,
local_name: DOMString) -> bool {
self.GetAttributeNS(namespace, local_name).is_some()
}
fn GetElementsByTagName(&self, localname: DOMString) -> Temporary<HTMLCollection> {
let window = window_from_node(self).root();
HTMLCollection::by_tag_name(&*window, NodeCast::from_ref(self), localname)
}
fn GetElementsByTagNameNS(&self, maybe_ns: Option<DOMString>,
localname: DOMString) -> Temporary<HTMLCollection> {
let namespace = match maybe_ns {
Some(namespace) => Namespace::from_str(namespace),
None => Null
};
let window = window_from_node(self).root();
HTMLCollection::by_tag_name_ns(&*window, NodeCast::from_ref(self), localname, namespace)
}
fn GetElementsByClassName(&self, classes: DOMString) -> Temporary<HTMLCollection> {
let window = window_from_node(self).root();
HTMLCollection::by_class_name(&*window, NodeCast::from_ref(self), classes)
}
// http://dev.w3.org/csswg/cssom-view/#dom-element-getclientrects
fn GetClientRects(&self) -> Temporary<ClientRectList> {
let win = window_from_node(self).root();
let node: &JSRef<Node> = NodeCast::from_ref(self);
let rects = node.get_content_boxes();
let rects: ~[Root<ClientRect>] = rects.iter().map(|r| {
ClientRect::new(
&*win,
r.origin.y,
r.origin.y + r.size.height,
r.origin.x,
r.origin.x + r.size.width).root()
}).collect();
ClientRectList::new(&*win, rects.iter().map(|rect| rect.deref().clone()).collect())
}
// http://dev.w3.org/csswg/cssom-view/#dom-element-getboundingclientrect
fn GetBoundingClientRect(&self) -> Temporary<ClientRect> {
let win = window_from_node(self).root();
let node: &JSRef<Node> = NodeCast::from_ref(self);
let rect = node.get_bounding_content_box();
ClientRect::new(
&*win,
rect.origin.y,
rect.origin.y + rect.size.height,
rect.origin.x,
rect.origin.x + rect.size.width)
}
fn GetInnerHTML(&self) -> Fallible<DOMString> {
//XXX TODO: XML case
Ok(serialize(&mut NodeIterator::new(NodeCast::from_ref(self), false, false)))
}
fn GetOuterHTML(&self) -> Fallible<DOMString> {
Ok(serialize(&mut NodeIterator::new(NodeCast::from_ref(self), true, false)))
}
fn Children(&self) -> Temporary<HTMLCollection> {
let window = window_from_node(self).root();
HTMLCollection::children(&*window, NodeCast::from_ref(self))
}
}
pub fn get_attribute_parts(name: DOMString) -> (Option<~str>, ~str) {
//FIXME: Throw for XML-invalid names
//FIXME: Throw for XMLNS-invalid names
let (prefix, local_name) = if name.contains(":") {
let mut parts = name.splitn(':', 1);
(Some(parts.next().unwrap().to_owned()), parts.next().unwrap().to_owned())
} else {
(None, name)
};
(prefix, local_name)
}
impl<'a> VirtualMethods for JSRef<'a, Element> {
fn super_type<'a>(&'a mut self) -> Option<&'a mut VirtualMethods:> {
let node: &mut JSRef<Node> = NodeCast::from_mut_ref(self);
Some(node as &mut VirtualMethods:)
}
fn after_set_attr(&mut self, name: DOMString, value: DOMString) {
match self.super_type() {
Some(ref mut s) => s.after_set_attr(name.clone(), value.clone()),
_ => (),
}
match name.as_slice() {
"style" => {
let doc = document_from_node(self).root();
let base_url = doc.deref().url().clone();
self.deref_mut().style_attribute = Some(style::parse_style_attribute(value, &base_url))
}
"id" => {
let node: &JSRef<Node> = NodeCast::from_ref(self);
if node.is_in_doc() {
let mut doc = document_from_node(self).root();
doc.register_named_element(self, value.clone());
}
}
_ => ()
}
self.notify_attribute_changed(name);
}
fn before_remove_attr(&mut self, name: DOMString, value: DOMString) {
match self.super_type() {
Some(ref mut s) => s.before_remove_attr(name.clone(), value.clone()),
_ => (),
}
match name.as_slice() {
"style" => {
self.deref_mut().style_attribute = None
}
"id" => {
let node: &JSRef<Node> = NodeCast::from_ref(self);
if node.is_in_doc() {
let mut doc = document_from_node(self).root();
doc.unregister_named_element(self, value);
}
}
_ => ()
}
self.notify_attribute_changed(name);
}
fn bind_to_tree(&mut self) {
match self.super_type() {
Some(ref mut s) => s.bind_to_tree(),
_ => (),
}
match self.get_attribute(Null, "id").root() {
Some(attr) => {
let mut doc = document_from_node(self).root();
doc.register_named_element(self, attr.deref().Value());
}
_ => ()
}
}
fn unbind_from_tree(&mut self) {
match self.super_type() {
Some(ref mut s) => s.unbind_from_tree(),
_ => (),
}
match self.get_attribute(Null, "id").root() {
Some(attr) => {
let mut doc = document_from_node(self).root();
doc.unregister_named_element(self, attr.deref().Value());
}
_ => ()
}
}
}