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Implement HTMLElement.dataset

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Make DOMStringMap use related Element's custom attributes values.
This commit is contained in:
Bruno de Oliveira Abinader 2014-11-19 11:57:39 -04:00
parent e1a7d99df7
commit 628ee92d73
4 changed files with 79 additions and 18 deletions
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37
components/script/dom/domstringmap.rs
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@ -2,51 +2,56 @@
* 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/. */
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::DOMStringMapBinding;
use dom::bindings::codegen::Bindings::DOMStringMapBinding::DOMStringMapMethods;
use dom::bindings::error::ErrorResult;
use dom::bindings::global::GlobalRef;
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::js::{JS, JSRef, Temporary};
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
use dom::node::window_from_node;
use dom::htmlelement::{HTMLElement, HTMLElementCustomAttributeHelpers};
use servo_util::str::DOMString;
use std::collections::HashMap;
#[dom_struct]
pub struct DOMStringMap {
map: DOMRefCell<HashMap<DOMString, DOMString>>,
reflector_: Reflector,
element: JS<HTMLElement>,
}
impl DOMStringMap {
fn new_inherited() -> DOMStringMap {
fn new_inherited(element: JSRef<HTMLElement>) -> DOMStringMap {
DOMStringMap {
map: DOMRefCell::new(HashMap::new()),
reflector_: Reflector::new(),
element: JS::from_rooted(element),
}
}
pub fn new(global: GlobalRef) -> Temporary<DOMStringMap> {
reflect_dom_object(box DOMStringMap::new_inherited(),
global, DOMStringMapBinding::Wrap)
pub fn new(element: JSRef<HTMLElement>) -> Temporary<DOMStringMap> {
let window = window_from_node(element).root();
reflect_dom_object(box DOMStringMap::new_inherited(element),
GlobalRef::Window(window.root_ref()), DOMStringMapBinding::Wrap)
}
}
// https://html.spec.whatwg.org/#domstringmap
impl<'a> DOMStringMapMethods for JSRef<'a, DOMStringMap> {
fn NamedCreator(self, name: DOMString, value: DOMString) {
self.map.borrow_mut().insert(name, value);
fn NamedCreator(self, name: DOMString, value: DOMString) -> ErrorResult {
self.NamedSetter(name, value)
}
fn NamedDeleter(self, name: DOMString) {
self.map.borrow_mut().remove(&name);
let element = self.element.root();
element.delete_custom_attr(name)
}
fn NamedSetter(self, name: DOMString, value: DOMString) {
self.map.borrow_mut().insert(name, value);
fn NamedSetter(self, name: DOMString, value: DOMString) -> ErrorResult {
let element = self.element.root();
element.set_custom_attr(name, value)
}
fn NamedGetter(self, name: DOMString, found: &mut bool) -> DOMString {
match self.map.borrow().get(&name) {
let element = self.element.root();
match element.get_custom_attr(name) {
Some(value) => {
*found = true;
value.clone()