65 lines
2.4 KiB
Plaintext
65 lines
2.4 KiB
Plaintext
/* -*- 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/#FontFaceSet-interface
|
|
*
|
|
* Copyright © 2014 W3C® (MIT, ERCIM, Keio, Beihang), All Rights Reserved. W3C
|
|
* liability, trademark and document use rules apply.
|
|
*/
|
|
|
|
// To implement FontFaceSet's iterator until we can use setlike.
|
|
dictionary FontFaceSetIteratorResult
|
|
{
|
|
required any value;
|
|
required boolean done;
|
|
};
|
|
|
|
// To implement FontFaceSet's iterator until we can use setlike.
|
|
[NoInterfaceObject]
|
|
interface FontFaceSetIterator {
|
|
[Throws] FontFaceSetIteratorResult next();
|
|
};
|
|
|
|
callback FontFaceSetForEachCallback = void (FontFace value, FontFace key, FontFaceSet set);
|
|
|
|
enum FontFaceSetLoadStatus { "loading", "loaded" };
|
|
|
|
// Bug 1072762 is for the FontFaceSet constructor.
|
|
// [Constructor(sequence<FontFace> initialFaces)]
|
|
[Pref="layout.css.font-loading-api.enabled"]
|
|
interface FontFaceSet : EventTarget {
|
|
|
|
// Emulate setlike behavior until we can use that directly.
|
|
readonly attribute unsigned long size;
|
|
[Throws] void add(FontFace font);
|
|
boolean has(FontFace font);
|
|
boolean delete(FontFace font);
|
|
void clear();
|
|
[NewObject] FontFaceSetIterator entries();
|
|
// Iterator keys();
|
|
[NewObject, Alias=keys, Alias="@@iterator"] FontFaceSetIterator values();
|
|
[Throws] void forEach(FontFaceSetForEachCallback cb, optional any thisArg);
|
|
|
|
// -- events for when loading state changes
|
|
attribute EventHandler onloading;
|
|
attribute EventHandler onloadingdone;
|
|
attribute EventHandler onloadingerror;
|
|
|
|
// check and start loads if appropriate
|
|
// and fulfill promise when all loads complete
|
|
[NewObject] Promise<sequence<FontFace>> load(DOMString font, optional DOMString text = " ");
|
|
|
|
// return whether all fonts in the fontlist are loaded
|
|
// (does not initiate load if not available)
|
|
[Throws] boolean check(DOMString font, optional DOMString text = " ");
|
|
|
|
// async notification that font loading and layout operations are done
|
|
[Throws] readonly attribute Promise<void> ready;
|
|
|
|
// loading state, "loading" while one or more fonts loading, "loaded" otherwise
|
|
readonly attribute FontFaceSetLoadStatus status;
|
|
};
|