script: Implement the color attribute of the <font> element.

Improves Hacker News.
This commit is contained in:
Patrick Walton 2015-05-08 12:55:32 -07:00
parent c981e9b2e3
commit 7d9eda916b
9 changed files with 105 additions and 143 deletions

View file

@ -2,19 +2,26 @@
* 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::attr::{Attr, AttrHelpers};
use dom::bindings::codegen::Bindings::HTMLFontElementBinding;
use dom::bindings::codegen::InheritTypes::HTMLFontElementDerived;
use dom::bindings::codegen::Bindings::HTMLFontElementBinding::HTMLFontElementMethods;
use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLFontElementDerived};
use dom::bindings::js::{JSRef, Temporary};
use dom::document::Document;
use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::element::ElementTypeId;
use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
use dom::node::{Node, NodeTypeId};
use util::str::DOMString;
use dom::virtualmethods::VirtualMethods;
use util::str::{self, DOMString};
use cssparser::RGBA;
use std::cell::Cell;
#[dom_struct]
pub struct HTMLFontElement {
htmlelement: HTMLElement
htmlelement: HTMLElement,
color: Cell<Option<RGBA>>,
}
impl HTMLFontElementDerived for EventTarget {
@ -26,7 +33,8 @@ impl HTMLFontElementDerived for EventTarget {
impl HTMLFontElement {
fn new_inherited(localName: DOMString, prefix: Option<DOMString>, document: JSRef<Document>) -> HTMLFontElement {
HTMLFontElement {
htmlelement: HTMLElement::new_inherited(HTMLElementTypeId::HTMLFontElement, localName, prefix, document)
htmlelement: HTMLElement::new_inherited(HTMLElementTypeId::HTMLFontElement, localName, prefix, document),
color: Cell::new(None),
}
}
@ -37,3 +45,49 @@ impl HTMLFontElement {
}
}
impl<'a> HTMLFontElementMethods for JSRef<'a, HTMLFontElement> {
make_getter!(Color, "color");
make_setter!(SetColor, "color");
}
impl<'a> VirtualMethods for JSRef<'a,HTMLFontElement> {
fn super_type<'b>(&'b self) -> Option<&'b VirtualMethods> {
let htmlelement: &JSRef<HTMLElement> = HTMLElementCast::from_borrowed_ref(self);
Some(htmlelement as &VirtualMethods)
}
fn after_set_attr(&self, attr: JSRef<Attr>) {
if let Some(ref s) = self.super_type() {
s.after_set_attr(attr);
}
match attr.local_name() {
&atom!("color") => {
self.color.set(str::parse_legacy_color(&attr.value()).ok())
}
_ => {}
}
}
fn before_remove_attr(&self, attr: JSRef<Attr>) {
if let Some(ref s) = self.super_type() {
s.before_remove_attr(attr);
}
match attr.local_name() {
&atom!("color") => self.color.set(None),
_ => ()
}
}
}
pub trait HTMLFontElementHelpers {
fn get_color(&self) -> Option<RGBA>;
}
impl HTMLFontElementHelpers for HTMLFontElement {
fn get_color(&self) -> Option<RGBA> {
self.color.get()
}
}