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Add a style property to HTMLElement.

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This commit is contained in:
Josh Matthews 2014-09-18 15:34:55 -04:00
parent 2cfa8e85a6
commit 2e14b653bf
5 changed files with 62 additions and 9 deletions
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24
components/script/dom/htmlelement.rs
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@ -10,10 +10,12 @@ use dom::bindings::codegen::Bindings::HTMLElementBinding::HTMLElementMethods;
use dom::bindings::codegen::Bindings::HTMLInputElementBinding::HTMLInputElementMethods;
use dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLFrameSetElementDerived};
use dom::bindings::codegen::InheritTypes::{EventTargetCast, HTMLInputElementCast};
use dom::bindings::codegen::InheritTypes::{EventTargetCast, HTMLInputElementCast, CSSStyleDeclarationCast};
use dom::bindings::codegen::InheritTypes::{HTMLElementDerived, HTMLBodyElementDerived};
use dom::bindings::js::{JSRef, Temporary};
use dom::bindings::js::{JSRef, Temporary, MutNullableJS};
use dom::bindings::utils::{Reflectable, Reflector};
use dom::cssstyledeclaration::CSSStyleDeclaration;
use dom::css2properties::CSS2Properties;
use dom::document::Document;
use dom::element::{Element, ElementTypeId, ActivationElementHelpers};
use dom::eventtarget::{EventTarget, EventTargetHelpers, EventTargetTypeId};
@ -24,9 +26,12 @@ use servo_util::str::DOMString;
use string_cache::Atom;
use std::default::Default;
#[dom_struct]
pub struct HTMLElement {
element: Element
element: Element,
style_decl: MutNullableJS<CSSStyleDeclaration>,
}
impl HTMLElementDerived for EventTarget {
@ -42,7 +47,8 @@ impl HTMLElementDerived for EventTarget {
impl HTMLElement {
pub fn new_inherited(type_id: ElementTypeId, tag_name: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> HTMLElement {
HTMLElement {
element: Element::new_inherited(type_id, tag_name, ns!(HTML), prefix, document)
element: Element::new_inherited(type_id, tag_name, ns!(HTML), prefix, document),
style_decl: Default::default(),
}
}
@ -65,6 +71,16 @@ impl<'a> PrivateHTMLElementHelpers for JSRef<'a, HTMLElement> {
}
impl<'a> HTMLElementMethods for JSRef<'a, HTMLElement> {
fn Style(self) -> Temporary<CSSStyleDeclaration> {
if self.style_decl.get().is_none() {
let global = window_from_node(self);
let style_props = CSS2Properties::new(&*global.root()).root();
let style_decl: JSRef<CSSStyleDeclaration> = CSSStyleDeclarationCast::from_ref(*style_props);
self.style_decl.assign(Some(style_decl));
}
self.style_decl.get().unwrap()
}
make_getter!(Title)
make_setter!(SetTitle, "title")