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Implement size attribute for <font> element

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This commit is contained in:
Corey Farwell 2015-09-19 15:04:11 -04:00
parent 520c907742
commit 74e4c4fdc7
12 changed files with 201 additions and 181 deletions
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27
components/script/dom/htmlfontelement.rs
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@ -7,17 +7,18 @@ use dom::attr::{Attr, AttrValue};
use dom::bindings::cell::DOMRefCell;
use dom::bindings::codegen::Bindings::HTMLFontElementBinding;
use dom::bindings::codegen::Bindings::HTMLFontElementBinding::HTMLFontElementMethods;
use dom::bindings::codegen::InheritTypes::{HTMLElementCast, HTMLFontElementDerived};
use dom::bindings::codegen::InheritTypes::{ElementCast, HTMLElementCast, HTMLFontElementDerived};
use dom::bindings::js::Root;
use dom::document::Document;
use dom::element::{AttributeMutation, ElementTypeId};
use dom::element::{AttributeMutation, ElementTypeId, RawLayoutElementHelpers};
use dom::eventtarget::{EventTarget, EventTargetTypeId};
use dom::htmlelement::{HTMLElement, HTMLElementTypeId};
use dom::node::{Node, NodeTypeId};
use dom::virtualmethods::VirtualMethods;
use std::cell::Cell;
use string_cache::Atom;
use util::str::{self, DOMString};
use style::values::specified;
use util::str::{self, DOMString, parse_legacy_font_size};
#[dom_struct]
pub struct HTMLFontElement {
@ -64,6 +65,12 @@ impl HTMLFontElementMethods for HTMLFontElement {
// https://html.spec.whatwg.org/multipage/#dom-font-face
make_atomic_setter!(SetFace, "face");
// https://html.spec.whatwg.org/multipage/#dom-font-size
make_getter!(Size);
// https://html.spec.whatwg.org/multipage/#dom-font-size
make_setter!(SetSize, "size");
}
impl VirtualMethods for HTMLFontElement {
@ -92,6 +99,10 @@ impl VirtualMethods for HTMLFontElement {
fn parse_plain_attribute(&self, name: &Atom, value: DOMString) -> AttrValue {
match name {
&atom!("face") => AttrValue::from_atomic(value),
&atom!("size") => {
let length = parse_legacy_font_size(&value).and_then(|parsed| specified::Length::from_str(&parsed));
AttrValue::Length(value, length)
},
_ => self.super_type().unwrap().parse_plain_attribute(name, value),
}
}
@ -111,4 +122,14 @@ impl HTMLFontElement {
None => None,
}
}
#[allow(unsafe_code)]
pub fn get_size(&self) -> Option<specified::Length> {
unsafe {
ElementCast::from_ref(self)
.get_attr_for_layout(&ns!(""), &atom!("size"))
.and_then(AttrValue::as_length)
.cloned()
}
}
}