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Move storage of bgcolor attribute on <body>.

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This commit is contained in:
Eli Friedman 2015-11-07 23:27:07 -08:00
parent 3780fb7fe0
commit 0901e5bc97
3 changed files with 31 additions and 19 deletions
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4
components/script/dom/document.rs
View file

@ -968,7 +968,9 @@ impl Document {
pub fn set_body_attribute(&self, local_name: &Atom, value: DOMString) {
if let Some(ref body) = self.GetBody().and_then(Root::downcast::<HTMLBodyElement>) {
body.upcast::<Element>().set_string_attribute(local_name, value);
let body = body.upcast::<Element>();
let value = body.parse_attribute(&ns!(""), &local_name, value);
body.set_attribute(local_name, value);
}
}

31
components/script/dom/htmlbodyelement.rs
View file

@ -20,12 +20,11 @@ use dom::virtualmethods::VirtualMethods;
use msg::constellation_msg::ConstellationChan;
use msg::constellation_msg::Msg as ConstellationMsg;
use std::borrow::ToOwned;
use std::cell::Cell;
use std::rc::Rc;
use string_cache::Atom;
use time;
use url::{Url, UrlParser};
use util::str::{self, DOMString};
use util::str::DOMString;
/// How long we should wait before performing the initial reflow after `<body>` is parsed, in
/// nanoseconds.
@ -34,7 +33,6 @@ const INITIAL_REFLOW_DELAY: u64 = 200_000_000;
#[dom_struct]
pub struct HTMLBodyElement {
htmlelement: HTMLElement,
background_color: Cell<Option<RGBA>>,
background: DOMRefCell<Option<Url>>
}
@ -43,7 +41,6 @@ impl HTMLBodyElement {
-> HTMLBodyElement {
HTMLBodyElement {
htmlelement: HTMLElement::new_inherited(localName, prefix, document),
background_color: Cell::new(None),
background: DOMRefCell::new(None)
}
}
@ -61,17 +58,13 @@ impl HTMLBodyElementMethods for HTMLBodyElement {
make_getter!(BgColor, "bgcolor");
// https://html.spec.whatwg.org/multipage/#dom-body-bgcolor
make_setter!(SetBgColor, "bgcolor");
make_legacy_color_setter!(SetBgColor, "bgcolor");
// https://html.spec.whatwg.org/multipage/#dom-body-text
make_getter!(Text);
// https://html.spec.whatwg.org/multipage/#dom-body-text
fn SetText(&self, value: DOMString) {
let element = self.upcast::<Element>();
let color = str::parse_legacy_color(&value).ok();
element.set_attribute(&atom!("text"), AttrValue::Color(value, color));
}
make_legacy_color_setter!(SetText, "text");
// https://html.spec.whatwg.org/multipage/#the-body-element
fn GetOnunload(&self) -> Option<Rc<EventHandlerNonNull>> {
@ -96,8 +89,14 @@ impl HTMLBodyElementMethods for HTMLBodyElement {
impl HTMLBodyElement {
#[allow(unsafe_code)]
pub fn get_background_color(&self) -> Option<RGBA> {
self.background_color.get()
unsafe {
self.upcast::<Element>()
.get_attr_for_layout(&ns!(""), &atom!("bgcolor"))
.and_then(AttrValue::as_color)
.cloned()
}
}
#[allow(unsafe_code)]
@ -141,8 +140,9 @@ impl VirtualMethods for HTMLBodyElement {
}
fn parse_plain_attribute(&self, name: &Atom, value: DOMString) -> AttrValue {
match name {
&atom!("text") => AttrValue::from_legacy_color(value),
match *name {
atom!("bgcolor") |
atom!("text") => AttrValue::from_legacy_color(value),
_ => self.super_type().unwrap().parse_plain_attribute(name, value),
}
}
@ -150,11 +150,6 @@ impl VirtualMethods for HTMLBodyElement {
fn attribute_mutated(&self, attr: &Attr, mutation: AttributeMutation) {
self.super_type().unwrap().attribute_mutated(attr, mutation);
match (attr.local_name(), mutation) {
(&atom!(bgcolor), _) => {
self.background_color.set(mutation.new_value(attr).and_then(|value| {
str::parse_legacy_color(&value).ok()
}));
},
(&atom!(background), _) => {
*self.background.borrow_mut() = mutation.new_value(attr).and_then(|value| {
let document = document_from_node(self);

15
components/script/dom/macros.rs
View file

@ -215,6 +215,21 @@ macro_rules! make_atomic_setter(
);
);
#[macro_export]
macro_rules! make_legacy_color_setter(
( $attr:ident, $htmlname:expr ) => (
fn $attr(&self, value: DOMString) {
use dom::bindings::inheritance::Castable;
use dom::element::Element;
use string_cache::Atom;
let element = self.upcast::<Element>();
let value = AttrValue::from_legacy_color(value);
// FIXME(pcwalton): Do this at compile time, not at runtime.
element.set_attribute(&Atom::from_slice($htmlname), value)
}
);
);
/// For use on non-jsmanaged types
/// Use #[derive(JSTraceable)] on JS managed types
macro_rules! no_jsmanaged_fields(