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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,
*
* The origin of this IDL file is
*
* Copyright © 2015 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C
* liability, trademark and document use rules apply.
*/
dictionary ViewTimelineOptions {
required Element subject;
ScrollAxis axis = "block";
// The spec expects to use CSSKeywordValue. However, per the spec issue, Blink
// and WebKit would like to support the string in the sequence as well, so we
// follow the proposal in the spec issue to use CSSKeywordish instead of
// CSSKeywordValue. Also, we use CSSOMString instead of DOMString to avoid the
// extra conversion from UTF-16 to UTF-8.
(UTF8String or sequence<(CSSKeywordish or CSSNumericValue)>) inset = "auto";
};
[Exposed=Window, Pref="layout.css.scroll-driven-animations.enabled"]
interface ViewTimeline : ScrollTimeline {
[Throws]
constructor(ViewTimelineOptions options);
// FIXME: The spec expects that this is not nullable, but ViewTimelineOptions
// may not provide a subject, and both Blink and WebKit make this attribute
// nullable, so we follow others for now.
readonly attribute Element subject;
[GetterThrows]
readonly attribute CSSNumericValue? startOffset;
[GetterThrows]
readonly attribute CSSNumericValue? endOffset;
};