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Fix #1548. #2563

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Merged
merged 4 commits into from
Apr 20, 2018
Merged

Fix #1548. #2563

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634893f
[cssom] Make elements outside of the flat tree or detached not expose…
emilio Apr 13, 2018
2516640
[cssom] Let elements in non-rendered iframes not expose styles.
emilio Apr 13, 2018
dfcc5e2
fixup! [cssom] Make elements outside of the flat tree or detached not…
emilio Apr 16, 2018
4e607b6
fixup! [cssom] Let elements in non-rendered iframes not expose styles.
emilio Apr 16, 2018
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25 changes: 18 additions & 7 deletions cssom-1/Overview.bs
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,9 @@ urlPrefix: https://html.spec.whatwg.org/multipage/
text: tree order
text: document base url
text: content-type metadata; url: #content-type
urlPrefix: rendering.html
type: dfn
text: being rendered
urlPrefix: browsers.html
type: interface; text: WindowProxy
type: dfn
Expand Down Expand Up @@ -2779,19 +2782,27 @@ steps:
versions. That is, both <code>:before</code> and <code>::before</code> should
match above.

<li>Let <var>decls</var> be an empty list of <a>CSS declarations</a>.
<li>If <var>elt</var> is <a>connected</a>, part of the <a>flat tree</a>,
and its <a>shadow-including root</a> has a <a>browsing context</a> which either
doesn't have a <a>browsing context container</a>, or whose
<a>browsing context container</a> is <a>being rendered</a>,
set <var>decls</var> to a list of all longhand properties that are
<a lt="supported CSS property">supported CSS properties</a>, in lexicographical order,
with the value being the <a>resolved value</a> computed for <var>obj</var>
using the style rules associated with <var>doc</var>.

Issue: There are UAs that handle shorthands, and all UAs handle shorthands
that used to be longhands like 'overflow', see
<a href="https://github.com/w3c/csswg-drafts/issues/2529">#2529</a>.

<li>
Return a live <a>CSS declaration block</a> with the following properties:
<dl>
<dt><a for="CSSStyleDeclaration">readonly flag</a>
<dd>Set.
<dt><a for="CSSStyleDeclaration">declarations</a>
<dd>All longhand properties that are <a lt="supported CSS property">supported CSS properties</a>, in lexicographical order, with the value being
the <a>resolved value</a> computed for <var>obj</var> using the style rules associated with <var>doc</var>.

Issue: There are UAs that handle shorthands, and all UAs handle shorthands
that used to be longhands like 'overflow', see
<a href="https://github.com/w3c/csswg-drafts/issues/2529">#2529</a>.

<dd><var>decls</var>.
<dt><a for="CSSStyleDeclaration">parent CSS rule</a>
<dd>Null.
<dt><a for="CSSStyleDeclaration">owner node</a>
Expand Down