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Implement MutNullableJS for mutable, nullable member pointers to DOM objects.

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This commit is contained in:
Josh Matthews 2014-09-30 16:39:31 +02:00 • committed by Ms2ger
parent f73e508821
commit 54fcab61d6
11 changed files with 171 additions and 109 deletions
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12
components/script/dom/document.rs
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@ -21,7 +21,7 @@ use dom::bindings::error::{ErrorResult, Fallible, NotSupported, InvalidCharacter
use dom::bindings::error::{HierarchyRequest, NamespaceError};
use dom::bindings::global::GlobalRef;
use dom::bindings::global;
use dom::bindings::js::{JS, JSRef, Temporary, OptionalSettable, TemporaryPushable};
use dom::bindings::js::{MutNullableJS, JS, JSRef, Temporary, OptionalSettable, TemporaryPushable};
use dom::bindings::js::OptionalRootable;
use dom::bindings::trace::{Traceable, Untraceable};
use dom::bindings::utils::{Reflectable, Reflector, reflect_dom_object};
@ -57,12 +57,14 @@ use hubbub::hubbub::{QuirksMode, NoQuirks, LimitedQuirks, FullQuirks};
use layout_interface::{DocumentDamageLevel, ContentChangedDocumentDamage};
use servo_util::namespace;
use servo_util::str::{DOMString, split_html_space_chars};
use string_cache::Atom;
use url::Url;
use std::collections::hashmap::HashMap;
use std::ascii::StrAsciiExt;
use std::cell::{Cell, RefCell};
use url::Url;
use std::default::Default;
use time;
#[deriving(PartialEq)]
@ -79,7 +81,7 @@ pub struct Document {
reflector_: Reflector,
pub window: JS<Window>,
idmap: Traceable<RefCell<HashMap<Atom, Vec<JS<Element>>>>>,
implementation: Cell<Option<JS<DOMImplementation>>>,
implementation: MutNullableJS<DOMImplementation>,
content_type: DOMString,
last_modified: Traceable<RefCell<Option<DOMString>>>,
pub encoding_name: Traceable<RefCell<DOMString>>,
@ -288,7 +290,7 @@ impl Document {
reflector_: Reflector::new(),
window: JS::from_rooted(window),
idmap: Traceable::new(RefCell::new(HashMap::new())),
implementation: Cell::new(None),
implementation: Default::default(),
content_type: match content_type {
Some(string) => string.clone(),
None => match is_html_document {
@ -382,7 +384,7 @@ impl<'a> DocumentMethods for JSRef<'a, Document> {
if self.implementation.get().is_none() {
self.implementation.assign(Some(DOMImplementation::new(self)));
}
Temporary::new(self.implementation.get().as_ref().unwrap().clone())
self.implementation.get().unwrap()
}
// http://dom.spec.whatwg.org/#dom-document-url