1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
4 * You can obtain one at http://mozilla.org/MPL/2.0/.
6 * The origin of this IDL file is
7 * http://dev.w3.org/csswg/css-font-loading/#fontface-interface
9 * Copyright © 2014 W3C® (MIT, ERCIM, Keio, Beihang), All Rights Reserved. W3C
10 * liability, trademark and document use rules apply.
13 typedef (ArrayBuffer or ArrayBufferView) BinaryData;
15 dictionary FontFaceDescriptors {
16 DOMString style = "normal";
17 DOMString weight = "normal";
18 DOMString stretch = "normal";
19 DOMString unicodeRange = "U+0-10FFFF";
20 DOMString variant = "normal";
21 DOMString featureSettings = "normal";
22 DOMString variationSettings = "normal";
23 DOMString display = "auto";
26 enum FontFaceLoadStatus { "unloaded", "loading", "loaded", "error" };
28 // Bug 1072107 is for exposing this in workers.
29 // [Exposed=(Window,Worker)]
30 [Constructor(DOMString family,
31 (DOMString or BinaryData) source,
32 optional FontFaceDescriptors descriptors),
33 Pref="layout.css.font-loading-api.enabled"]
35 [SetterThrows] attribute DOMString family;
36 [SetterThrows] attribute DOMString style;
37 [SetterThrows] attribute DOMString weight;
38 [SetterThrows] attribute DOMString stretch;
39 [SetterThrows] attribute DOMString unicodeRange;
40 [SetterThrows] attribute DOMString variant;
41 [SetterThrows] attribute DOMString featureSettings;
42 [SetterThrows, Pref="layout.css.font-variations.enabled"] attribute DOMString variationSettings;
43 [SetterThrows, Pref="layout.css.font-display.enabled"] attribute DOMString display;
45 readonly attribute FontFaceLoadStatus status;
48 Promise<FontFace> load();
51 readonly attribute Promise<FontFace> loaded;