blob: c00925694c4015cc03a9c4c7b235c897ae9edd2d [file] [log] [blame]
/*
* Copyright (C) 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
// https://wicg.github.io/IntersectionObserver/
[
EnabledBySetting=IntersectionObserverEnabled,
Exposed=Window,
JSCustomMarkFunction,
CustomIsReachable,
] interface IntersectionObserver {
[CallWith=Document] constructor(IntersectionObserverCallback callback, optional IntersectionObserverInit options);
readonly attribute Node? root;
readonly attribute DOMString rootMargin;
readonly attribute sequence<double> thresholds;
undefined observe(Element target);
undefined unobserve(Element target);
undefined disconnect();
[ResultField=records] sequence<IntersectionObserverEntry> takeRecords();
};
[
EnabledBySetting=IntersectionObserverEnabled
]
dictionary IntersectionObserverInit {
(Element or Document)? root = null;
DOMString rootMargin = "0px";
(double or sequence<double>) threshold = 0.0;
};