layout: Introduce support for legacy presentational attributes to selector

matching, and use it for `<input size>` and `<td width>`.

This implements a general framework for legacy presentational attributes
to the DOM and style calculation, so that adding more of them later will
be straightforward.
This commit is contained in:
Patrick Walton 2014-10-14 11:25:29 -07:00
parent 8077edc062
commit 5f8d3f72d8
31 changed files with 570 additions and 214 deletions

View file

@ -5,7 +5,9 @@
//! Traits that nodes must implement. Breaks the otherwise-cyclic dependency between layout and
//! style.
use legacy::{IntegerAttribute, LengthAttribute};
use selectors::AttrSelector;
use servo_util::str::LengthOrPercentageOrAuto;
use string_cache::{Atom, Namespace};
pub trait TNode<'a, E: TElement<'a>> : Clone + Copy {
@ -45,4 +47,8 @@ pub trait TElement<'a> : Copy {
fn each_class(self, callback: |&Atom|);
}
pub trait TElementAttributes : Copy {
fn get_length_attribute(self, attribute: LengthAttribute) -> LengthOrPercentageOrAuto;
fn get_integer_attribute(self, attribute: IntegerAttribute) -> Option<i32>;
}