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servo/components/script_bindings/webidls/HTMLTableElement.webidl
Andrei Volykhin ef9f16027b html: Add missing 'width' and 'height' reflected IDL dimension attributes (#39606)
The HTML specification defines the 'width' and 'height' attributes as
dimension attributes for the embedded content and images (img, iframe,
embed, object, video, source, input with image type)
https://html.spec.whatwg.org/multipage/#dimension-attributes and for the
tables (table, col, colgroup, thead, tbody, tfoot, tr, td, th) even
these attributes are marked as obsolete.

And UA are expected to use these 'width' and 'height' attributes as
style presentational hints for the rendering.

The embedded content and images:
https://html.spec.whatwg.org/multipage/#dimRendering

The tables:
https://html.spec.whatwg.org/multipage/#tables-2:the-table-element-4

Added missing 'width' and/or 'height' reflected IDL attributes:
- conformant 'unsigned long' IDL attributes for the 'img, source, video'
(with new macro 'make_dimension_uint*)
- obsolete 'DOMString' IDL attributes for the 'td, th, col, colgroup'

Moved the `fn attribute_affects_presentational_hints()` from Element to
specific HTML and SVG elements with attributes which affects
presentational hints for rendering.

Testing: Improvements in the following tests
- html/dom/idlharness.https.html
- html/dom/reflection-embedded.html
- html/dom/reflection-tabular.html
-
html/rendering/replaced-elements/attributes-for-embedded-content-and-images/picture-aspect-ratio.html

Signed-off-by: Andrei Volykhin <andrei.volykhin@gmail.com>
2025-10-09 18:03:47 +00:00

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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://html.spec.whatwg.org/multipage/#htmltableelement
[Exposed=Window]
interface HTMLTableElement : HTMLElement {
[HTMLConstructor] constructor();
[CEReactions, SetterThrows]
attribute HTMLTableCaptionElement? caption;
HTMLTableCaptionElement createCaption();
[CEReactions]
undefined deleteCaption();
[CEReactions, SetterThrows]
attribute HTMLTableSectionElement? tHead;
HTMLTableSectionElement createTHead();
[CEReactions]
undefined deleteTHead();
[CEReactions, SetterThrows]
attribute HTMLTableSectionElement? tFoot;
HTMLTableSectionElement createTFoot();
[CEReactions]
undefined deleteTFoot();
readonly attribute HTMLCollection tBodies;
HTMLTableSectionElement createTBody();
readonly attribute HTMLCollection rows;
[Throws] HTMLTableRowElement insertRow(optional long index = -1);
[CEReactions, Throws] undefined deleteRow(long index);
// also has obsolete members
};
// https://html.spec.whatwg.org/multipage/#HTMLTableElement-partial
partial interface HTMLTableElement {
// [CEReactions]
// attribute DOMString align;
// [CEReactions]
// attribute DOMString border;
// [CEReactions]
// attribute DOMString frame;
// [CEReactions]
// attribute DOMString rules;
// [CEReactions]
// attribute DOMString summary;
[CEReactions] attribute DOMString width;
[CEReactions]
attribute [LegacyNullToEmptyString] DOMString bgColor;
// [CEReactions, LegacyNullToEmptyString]
// attribute DOMString cellPadding;
// [CEReactions, LegacyNullToEmptyString]
// attribute DOMString cellSpacing;
};