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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, You can obtain one at https://mozilla.org/MPL/2.0/. */
// https://w3c.github.io/IntersectionObserver/#intersection-observer-interface
callback IntersectionObserverCallback =
undefined (sequence<IntersectionObserverEntry> entries, IntersectionObserver observer);
dictionary IntersectionObserverInit {
(Element or Document)? root = null;
DOMString rootMargin;
DOMString scrollMargin;
(double or sequence<double>) threshold;
long delay;
boolean trackVisibility = false;
};
[Pref="dom_intersection_observer_enabled", Exposed=(Window)]
interface IntersectionObserver {
[Throws] constructor(IntersectionObserverCallback callback, optional IntersectionObserverInit options = {});
readonly attribute (Element or Document)? root;
readonly attribute DOMString rootMargin;
readonly attribute DOMString scrollMargin;
readonly attribute /* FrozenArray<double> */ any thresholds;
readonly attribute long delay;
readonly attribute boolean trackVisibility;
undefined observe(Element target);
undefined unobserve(Element target);
undefined disconnect();
sequence<IntersectionObserverEntry> takeRecords();
};
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