fune/servo/components/script/dom/webidls/CSSFontFaceRule.webidl
Simon Sapin c0c0f9ba4b servo: Merge #16224 - Make the parser accept @font-face rules without font-family or src (from servo:valid-fontface); r=upsuper
Fix #16165.

Also, it turns out that the CSSFontFaceRule IDL specified in the css-fonts spec is not web-compatible. Instead browsers implement a .style attribute like in CSSStyleRule: https://github.com/w3c/csswg-drafts/issues/825

This in turn requires preserving data about which descriptors were set or not (distinguishing unset from set to a value that happens to be the initial value), so this commit also makes every field `Option<_>`.

Source-Repo: https://github.com/servo/servo
Source-Revision: fac0d17fd6edf996876d6e6379e48ef4f9cb43d6

--HG--
extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear
extra : subtree_revision : 53db8dcde3e41e82100219b37ef20b2bc76b9f6b
2017-04-03 03:53:09 -05:00

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/* This Source Code Form is subject to the terms of the Mozilla Public
* 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/. */
// https://drafts.csswg.org/css-fonts/#cssfontfacerule is unfortunately not web-compatible:
// https://github.com/w3c/csswg-drafts/issues/825
// https://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113/css.html#CSS-CSSFontFaceRule ,
// plus extended attributes matching CSSStyleRule
[Exposed=Window]
interface CSSFontFaceRule : CSSRule {
// [SameObject, PutForwards=cssText] readonly attribute CSSStyleDeclaration style;
};