From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/webidl/IntersectionObserver.webidl | 60 ++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 dom/webidl/IntersectionObserver.webidl (limited to 'dom/webidl/IntersectionObserver.webidl') diff --git a/dom/webidl/IntersectionObserver.webidl b/dom/webidl/IntersectionObserver.webidl new file mode 100644 index 000000000..dbe8f428d --- /dev/null +++ b/dom/webidl/IntersectionObserver.webidl @@ -0,0 +1,60 @@ +/* -*- 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://wicg.github.io/IntersectionObserver/ + */ + +[ProbablyShortLivingObject, Pref="dom.IntersectionObserver.enabled"] +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 double intersectionRatio; + [Constant] + readonly attribute Element target; +}; + +[Constructor(IntersectionCallback intersectionCallback, + optional IntersectionObserverInit options), + Pref="dom.IntersectionObserver.enabled"] +interface IntersectionObserver { + [Constant] + readonly attribute Element? root; + [Constant] + readonly attribute DOMString rootMargin; + [Constant,Cached] + readonly attribute sequence thresholds; + void observe(Element target); + void unobserve(Element target); + void disconnect(); + sequence takeRecords(); + + [ChromeOnly] + readonly attribute IntersectionCallback intersectionCallback; +}; + +callback IntersectionCallback = + void (sequence entries, IntersectionObserver observer); + +dictionary IntersectionObserverEntryInit { + required DOMHighResTimeStamp time; + required DOMRectInit rootBounds; + required DOMRectInit boundingClientRect; + required DOMRectInit intersectionRect; + required Element target; +}; + +dictionary IntersectionObserverInit { + Element? root = null; + DOMString rootMargin = "0px"; + (double or sequence) threshold = 0; +}; -- cgit v1.2.3