/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/.
*
* The origin of this IDL file is
* http://dev.w3.org/csswg/css-font-loading/#fontface-interface
*
* Copyright © 2014 W3C® (MIT, ERCIM, Keio, Beihang), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
*/
typedef (ArrayBuffer or ArrayBufferView) BinaryData;
dictionary FontFaceDescriptors {
DOMString style = "normal";
DOMString weight = "normal";
DOMString stretch = "normal";
DOMString unicodeRange = "U+0-10FFFF";
DOMString variant = "normal";
DOMString featureSettings = "normal";
DOMString variationSettings = "normal";
DOMString display = "auto";
};
enum FontFaceLoadStatus { "unloaded", "loading", "loaded", "error" };
// Bug 1072107 is for exposing this in workers.
// [Exposed=(Window,Worker)]
[Constructor(DOMString family,
(DOMString or BinaryData) source,
optional FontFaceDescriptors descriptors),
Pref="layout.css.font-loading-api.enabled"]
interface FontFace {
[SetterThrows] attribute DOMString family;
[SetterThrows] attribute DOMString style;
[SetterThrows] attribute DOMString weight;
[SetterThrows] attribute DOMString stretch;
[SetterThrows] attribute DOMString unicodeRange;
[SetterThrows] attribute DOMString variant;
[SetterThrows] attribute DOMString featureSettings;
[SetterThrows, Pref="layout.css.font-variations.enabled"] attribute DOMString variationSettings;
[SetterThrows, Pref="layout.css.font-display.enabled"] attribute DOMString display;
readonly attribute FontFaceLoadStatus status;
[Throws]
Promise<FontFace> load();
[Throws]
readonly attribute Promise<FontFace> loaded;
};