CSSUnparsedValue.webidl

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/* -*- 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

 * https://drafts.css-houdini.org/css-typed-om-1/#unparsedvalue-objects

*/

// https://drafts.css-houdini.org/css-typed-om-1/#cssunparsedvalue

// TODO: Expose to LayoutWorklet

[Exposed=(Window, Worker, PaintWorklet), Pref="layout.css.typed-om.enabled"]

interface CSSUnparsedValue : CSSStyleValue {

  constructor(sequence<CSSUnparsedSegment> members);

  iterable<CSSUnparsedSegment>;

  readonly attribute unsigned long length;

  getter CSSUnparsedSegment (unsigned long index);

  // TODO: The spec should be updated to use `undefined` as the return type too

  // https://github.com/w3c/css-houdini-drafts/issues/1142

  [Throws] setter undefined (unsigned long index, CSSUnparsedSegment val);

};

// https://drafts.css-houdini.org/css-typed-om-1/#typedefdef-cssunparsedsegment

typedef (UTF8String or CSSVariableReferenceValue) CSSUnparsedSegment;