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Use or_init where appropriate.

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This commit is contained in:
Ms2ger 2014-12-05 15:20:37 +01:00
parent 6bd9bf979b
commit f0ef1f97ad
5 changed files with 20 additions and 46 deletions
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16
components/script/dom/element.rs
View file

@ -15,7 +15,7 @@ use dom::bindings::codegen::Bindings::NamedNodeMapBinding::NamedNodeMapMethods;
use dom::bindings::codegen::InheritTypes::{ElementDerived, HTMLInputElementDerived};
use dom::bindings::codegen::InheritTypes::{HTMLTableCellElementDerived, NodeCast};
use dom::bindings::js::{MutNullableJS, JS, JSRef, Temporary, TemporaryPushable};
use dom::bindings::js::{OptionalSettable, OptionalRootable, Root};
use dom::bindings::js::{OptionalRootable, Root};
use dom::bindings::utils::{Reflectable, Reflector};
use dom::bindings::error::{ErrorResult, Fallible, NamespaceError, InvalidCharacter, Syntax};
use dom::bindings::utils::{QName, Name, InvalidXMLName, xml_name_type};
@ -708,25 +708,19 @@ impl<'a> ElementMethods for JSRef<'a, Element> {
// http://dom.spec.whatwg.org/#dom-element-classlist
fn ClassList(self) -> Temporary<DOMTokenList> {
if self.class_list.get().is_none() {
let class_list = DOMTokenList::new(self, &atom!("class"));
self.class_list.assign(Some(class_list));
}
self.class_list.get().unwrap()
self.class_list.or_init(|| DOMTokenList::new(self, &atom!("class")))
}
// http://dom.spec.whatwg.org/#dom-element-attributes
fn Attributes(self) -> Temporary<NamedNodeMap> {
if self.attr_list.get().is_none() {
self.attr_list.or_init(|| {
let doc = {
let node: JSRef<Node> = NodeCast::from_ref(self);
node.owner_doc().root()
};
let window = doc.window().root();
let list = NamedNodeMap::new(*window, self);
self.attr_list.assign(Some(list));
}
self.attr_list.get().unwrap()
NamedNodeMap::new(*window, self)
})
}
// http://dom.spec.whatwg.org/#dom-element-getattribute

9
components/script/dom/htmlanchorelement.rs
View file

@ -117,11 +117,8 @@ impl<'a> HTMLAnchorElementMethods for JSRef<'a, HTMLAnchorElement> {
}
fn RelList(self) -> Temporary<DOMTokenList> {
if self.rel_list.get().is_none() {
let element: JSRef<Element> = ElementCast::from_ref(self);
let rel_list = DOMTokenList::new(element, &atom!("rel"));
self.rel_list.assign(Some(rel_list));
}
self.rel_list.get().unwrap()
self.rel_list.or_init(|| {
DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
})
}
}

10
components/script/dom/htmlareaelement.rs
View file

@ -11,7 +11,6 @@ use dom::bindings::js::{MutNullableJS, JSRef, Temporary};
use dom::bindings::utils::{Reflectable, Reflector};
use dom::document::Document;
use dom::domtokenlist::DOMTokenList;
use dom::element::Element;
use dom::element::HTMLAreaElementTypeId;
use dom::eventtarget::{EventTarget, NodeTargetTypeId};
use dom::htmlelement::HTMLElement;
@ -73,11 +72,8 @@ impl Reflectable for HTMLAreaElement {
impl<'a> HTMLAreaElementMethods for JSRef<'a, HTMLAreaElement> {
fn RelList(self) -> Temporary<DOMTokenList> {
if self.rel_list.get().is_none() {
let element: JSRef<Element> = ElementCast::from_ref(self);
let rel_list = DOMTokenList::new(element, &atom!("rel"));
self.rel_list.assign(Some(rel_list));
}
self.rel_list.get().unwrap()
self.rel_list.or_init(|| {
DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
})
}
}

9
components/script/dom/htmllinkelement.rs
View file

@ -146,11 +146,8 @@ impl Reflectable for HTMLLinkElement {
impl<'a> HTMLLinkElementMethods for JSRef<'a, HTMLLinkElement> {
fn RelList(self) -> Temporary<DOMTokenList> {
if self.rel_list.get().is_none() {
let element: JSRef<Element> = ElementCast::from_ref(self);
let rel_list = DOMTokenList::new(element, &atom!("rel"));
self.rel_list.assign(Some(rel_list));
}
self.rel_list.get().unwrap()
self.rel_list.or_init(|| {
DOMTokenList::new(ElementCast::from_ref(self), &atom!("rel"))
})
}
}

22
components/script/dom/workerglobalscope.rs
View file

@ -6,7 +6,7 @@ use dom::bindings::codegen::Bindings::WorkerGlobalScopeBinding::WorkerGlobalScop
use dom::bindings::codegen::Bindings::FunctionBinding::Function;
use dom::bindings::error::{ErrorResult, Fallible, Syntax, Network, FailureUnknown};
use dom::bindings::global;
use dom::bindings::js::{MutNullableJS, JSRef, Temporary, OptionalSettable};
use dom::bindings::js::{MutNullableJS, JSRef, Temporary};
use dom::bindings::utils::{Reflectable, Reflector};
use dom::console::Console;
use dom::eventtarget::{EventTarget, WorkerGlobalScopeTypeId};
@ -93,11 +93,9 @@ impl<'a> WorkerGlobalScopeMethods for JSRef<'a, WorkerGlobalScope> {
}
fn Location(self) -> Temporary<WorkerLocation> {
if self.location.get().is_none() {
let location = WorkerLocation::new(self, self.worker_url.clone());
self.location.assign(Some(location));
}
self.location.get().unwrap()
self.location.or_init(|| {
WorkerLocation::new(self, self.worker_url.clone())
})
}
fn ImportScripts(self, url_strings: Vec<DOMString>) -> ErrorResult {
@ -133,19 +131,11 @@ impl<'a> WorkerGlobalScopeMethods for JSRef<'a, WorkerGlobalScope> {
}
fn Navigator(self) -> Temporary<WorkerNavigator> {
if self.navigator.get().is_none() {
let navigator = WorkerNavigator::new(self);
self.navigator.assign(Some(navigator));
}
self.navigator.get().unwrap()
self.navigator.or_init(|| WorkerNavigator::new(self))
}
fn Console(self) -> Temporary<Console> {
if self.console.get().is_none() {
let console = Console::new(global::Worker(self));
self.console.assign(Some(console));
}
self.console.get().unwrap()
self.console.or_init(|| Console::new(global::Worker(self)))
}
fn Btoa(self, btoa: DOMString) -> Fallible<DOMString> {