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style: Sync changes from mozilla-central. #21357

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merged 23 commits into from Aug 8, 2018
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emilio commented Aug 7, 2018

See each individual commit.


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Hiroyuki Ikezoe and others added 23 commits Jul 24, 2018
The values in the boolean context depend on its feature.  For examples, in the
case of prefers-reduced-motion 'no-preference' means false and 'reduced' mean
true in the boolean context, whereas in the case of prefers-contrast
'no-preference' means false and other two values, 'high' and 'low' means true
in the boolean context.  To support it we introduce a child struct of
nsCSSKTableEntry that has an additional field representing the value in the
boolean context and use it when we have no specified value in the media feature
(i.e. in the boolean context).

Bug: 1365045
Reviewed-by: heycam
MozReview-Commit-ID: 79HiW8l5ous
We use the same setup WR uses, which is checking-in the files.

But I think it's much better than keeping the two things in sync manually :)

When you add a new value, you need to add it to the rust source, then run the
command, but since it doesn't need to build the style crate (it uses the Rust
AST, doesn't build) there's no problem.

Differential Revision: https://phabricator.services.mozilla.com/D2354
This builds on bug 1428676 and introduces StyleAppearance, which replaces the
NS_THEME_* constants.

Really sorry for the size of the patch.

There's a non-trivial change in the gtk theme, which I submitted separately as
bug 1478385.

Differential Revision: https://phabricator.services.mozilla.com/D2361
Bug: 1477628
Reviewed-by: heycam
The patch at bug 1478391 comment 6 changed the way the math in Scrollbarbutton*
worked, which pretty surely caused this.

Restore the original order and math to be the same as before bug 1478391.

Bug: 1479216
Reviewed-by: xidorn
MozReview-Commit-ID: CK3iOqeX2NW
We have a different order in nsCSSPropertyId for no good reason. The only
invariant there is that longhands come before shorthands, and shorthands before
aliases.

Luckily that's also an invariant that NonCustomPropertyId has, so we can reuse
them.

Differential Revision: https://phabricator.services.mozilla.com/D2463

MozReview-Commit-ID: 1hsQu6hmqiN
:root can't change without getting unbound from the tree so no fancy stuff other
than that needed.

This removes a lot of revalidation and attribute invalidation matching from the
Chrome, and looks like it should be a good idea in general.

Differential Revision: https://phabricator.services.mozilla.com/D2462
And general Element logging. We now print all the attributes for comparison.

If this turns out to be too verbose we can change it to diff them or something.

Differential Revision: https://phabricator.services.mozilla.com/D2471
Always assume allowed-for-all-content. There are a couple callers which weren't
doing that:

 * A unit test -> removed.

 * ComputeAnimationDistance: Used for testing (in transitions_per_property), and
   for the animation inspector. The animation inspector shouldn't show
   non-enabled properties. The transitions_per_property test already relies on
   getComputedStyle stuff which only uses eForAllContent.

 * GetCSSImageURLs: I added this API for the context menu page and such. It
   doesn't rely on non-enabled-everywhere properties, it was only using
   eInChrome because it was a ChromeOnly API, but it doesn't really need this.

Differential Revision: https://phabricator.services.mozilla.com/D2514
And remove gPropertyTable / kCSSRawProperties while at it.

Differential Revision: https://phabricator.services.mozilla.com/D2516
…mmon case.

We can discard the common case of an element having another element or document
fragment parent, which is the common case.

Then we can discard detached subtrees looking at is_in_document().

The only case where we have a non-content parent is the document case:

  https://searchfox.org/mozilla-central/rev/033d45ca70ff32acf04286244644d19308c359d5/dom/base/Element.cpp#1683

Differential Revision: https://phabricator.services.mozilla.com/D2505
The '-moz-menulist-button' value currently behavies identically to the
'menulist-button' value.  This is not implemented as an alias because later
patches in this patch series will change the behavior of our pre-existing
'menulist-button' value to more closely match what Chrome does.

Bug: 1428676
Reviewed-by: emilio
This saves about 37 KiB of memory across the UA style sheets.

Bug: 1475197
Reviewed-by: emilio
We only have this so that ::-moz-placeholder keeps serializing as
::-moz-placeholder, but I don't think anybody really cares.

Edge aliases ::-webkit-input-placeholder to ::-ms-input-placeholder at parse
time as well, as can be seen in:

```
let s = document.createElement('style');
s.innerHTML = `input::-webkit-input-placeholder { color: red };`;
document.body.appendChild(s);
document.body.innerHTML = s.sheet.cssRules[0].cssText;
```

And I think this is more consistent with what we do for CSS properties that are
aliases.

Differential Revision: https://phabricator.services.mozilla.com/D2595
…s succeeded.

Otherwise they may clobber useful output.

Differential Revision: https://phabricator.services.mozilla.com/D2783
It used to be this way because of lifetime issues (plus the shadow
datas were in RwLocks at some point IIRC). Now we guarantee that as long as the
element is away the cascade data is as well, so we don't need to thread it
around.

Differential Revision: https://phabricator.services.mozilla.com/D2768
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highfive commented Aug 7, 2018

Heads up! This PR modifies the following files:

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highfive commented Aug 7, 2018

warning Warning warning

  • These commits modify unsafe code. Please review it carefully!
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emilio commented Aug 7, 2018

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bors-servo commented Aug 7, 2018

📌 Commit 689293e has been approved by emilio

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bors-servo commented Aug 7, 2018

Testing commit 689293e with merge c7e5948...

bors-servo added a commit that referenced this pull request Aug 7, 2018
style: Sync changes from mozilla-central.

See each individual commit.

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/21357)
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bors-servo commented Aug 8, 2018

💔 Test failed - linux-rel-css

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jdm commented Aug 8, 2018

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bors-servo commented Aug 8, 2018

Testing commit 689293e with merge ea86eb6...

bors-servo added a commit that referenced this pull request Aug 8, 2018
style: Sync changes from mozilla-central.

See each individual commit.

<!-- Reviewable:start -->
---
This change is [<img src="https://reviewable.io/review_button.svg" height="34" align="absmiddle" alt="Reviewable"/>](https://reviewable.io/reviews/servo/servo/21357)
<!-- Reviewable:end -->
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bors-servo commented Aug 8, 2018

@bors-servo bors-servo merged commit 689293e into servo:master Aug 8, 2018
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