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51 lines
1.7 KiB
Plaintext
51 lines
1.7 KiB
Plaintext
/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* The origin of this IDL file is
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* https://drafts.csswg.org/resize-observer/
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*/
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enum ResizeObserverBoxOptions {
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"border-box",
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"content-box",
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"device-pixel-content-box"
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};
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dictionary ResizeObserverOptions {
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ResizeObserverBoxOptions box = "content-box";
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};
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[Exposed=Window]
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interface ResizeObserver {
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[Throws]
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constructor(ResizeObserverCallback callback);
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undefined observe(Element target, optional ResizeObserverOptions options = {});
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undefined unobserve(Element target);
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undefined disconnect();
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};
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callback ResizeObserverCallback = undefined (sequence<ResizeObserverEntry> entries, ResizeObserver observer);
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[Exposed=Window]
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interface ResizeObserverEntry {
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readonly attribute Element target;
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readonly attribute DOMRectReadOnly contentRect;
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// We are using [Pure, Cached, Frozen] sequence until `FrozenArray` is implemented.
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// See https://bugzilla.mozilla.org/show_bug.cgi?id=1236777 for more details.
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[Frozen, Cached, Pure]
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readonly attribute sequence<ResizeObserverSize> borderBoxSize;
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[Frozen, Cached, Pure]
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readonly attribute sequence<ResizeObserverSize> contentBoxSize;
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[Frozen, Cached, Pure]
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readonly attribute sequence<ResizeObserverSize> devicePixelContentBoxSize;
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};
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[Exposed=Window]
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interface ResizeObserverSize {
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readonly attribute unrestricted double inlineSize;
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readonly attribute unrestricted double blockSize;
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};
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