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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://w3c.github.io/IntersectionObserver/
*/
[ProbablyShortLivingWrapper, Pref="dom.IntersectionObserver.enabled",
Exposed=Window]
interface IntersectionObserverEntry {
[Constant]
readonly attribute DOMHighResTimeStamp time;
[Constant]
readonly attribute DOMRectReadOnly? rootBounds;
[Constant]
readonly attribute DOMRectReadOnly boundingClientRect;
[Constant]
readonly attribute DOMRectReadOnly intersectionRect;
[Constant]
readonly attribute boolean isIntersecting;
[Constant]
readonly attribute double intersectionRatio;
[Constant]
readonly attribute Element target;
};
[Pref="dom.IntersectionObserver.enabled",
Exposed=Window]
interface IntersectionObserver {
[Throws]
constructor(IntersectionCallback intersectionCallback,
optional IntersectionObserverInit options = {});
[Constant]
readonly attribute Node? root;
[Constant]
readonly attribute UTF8String rootMargin;
[Constant,Cached]
readonly attribute sequence<double> thresholds;
void observe(Element target);
void unobserve(Element target);
void disconnect();
sequence<IntersectionObserverEntry> takeRecords();
};
callback IntersectionCallback =
void (sequence<IntersectionObserverEntry> entries, IntersectionObserver observer);
dictionary IntersectionObserverEntryInit {
required DOMHighResTimeStamp time;
required DOMRectInit rootBounds;
required DOMRectInit boundingClientRect;
required DOMRectInit intersectionRect;
required Element target;
};
dictionary IntersectionObserverInit {
(Element or Document)? root = null;
UTF8String rootMargin = "0px";
(double or sequence<double>) threshold = 0;
};
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