Returning a zero-sized viewport in the case there's no shell / pres context.
For now, no other change yet. After this we can start tweaking the ShadowRoot
Stylist setup, and even try to return computed styles without a document \o/.
Bug: 1430608
MozReview-Commit-ID: 3cT2PKQISri
That way color pickers work even when this setting is on. We always know that
pseudo-element style attributes are trusted.
Bug: 1429248
Reviewed-by: heycam
MozReview-Commit-ID: 6IdmRaMzj6I
This is a partial revert of
ce1d8cd232
If you're in a shadow tree, you may not be slotted but you still need to look at
the slotted rules, since a <slot> could be a descendant of yours.
Just use the same invalidation map everywhere, and remove complexity.
This means that we can do some extra work while trying to gather invalidation
if there are slotted rules, but I don't think it's a problem.
The test is ported from https://cs.chromium.org/chromium/src/third_party/WebKit/LayoutTests/fast/css/invalidation/slotted.html?l=1&rcl=58d68fdf783d7edde1c82a642e037464861f2787
Curiously, Blink fails the test as written, presumably because they don't flush
styles from getComputedStyle correctly (in their test they do via
updateStyleAndReturnAffectedElementCount), due to <slot>s not being in the flat
tree in their implementation.
Bug: 1429846
Reviewed-by: heycam
MozReview-Commit-ID: 6b7BQ6bGMgd
Decouple metrics and gfx
Added gfx_traits::DisplayList so metrics doesn't depend on the gfx crate for gfx::display_list::DisplayList.
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Optimize selector matching for some common cases
This is the "better way" I mentioned in #19774, which seems to actually improve the score of dromaeo_css on talos.
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In total, this PR saves ~60k.
The conditional compilation on the _Debug FFI function eliminates one
of the ToCss variants, eliminating 54.4k, as well as a bunch of other
<1k functions. Removing the public trait implementation of Debug for the
font metrics provider eliminates the last Debug impl from stylo.
MozReview-Commit-ID: nIfQ3sy4OW
style: Move -moz-context-properties outside of mako.
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Sub-PR of #19015
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style: Remove -servo-text-decorations-in-effect
It is bogus, because it depends on the display property as it's cascaded, but
the display property can change afterwards, for example, if we get blockified
because we're the root element or a flex item.
Replace it with a normal field instead.
Also, it carries some weight, because it's the last property that uses this
concept of "derived" property, and "custom cascade". So we can remove some code
after this.
Compute it after the cascade process in StyleAdjuster.
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We only override it when there's no "open" attribute. But a display: none
pseudo-element is the same as no pseudo-element at all.
This should get the same behavior when iterating children in dom_wrapper.rs
It is bogus, because it depends on the display property as it's cascaded, but
the display property can change afterwards, for example, if we get blockified
because we're the root element or a flex item.
Replace it with a normal field instead.
Also, it carries some weight, because it's the last property that uses this
concept of "derived" property, and "custom cascade". So we can remove some code
after this.
Compute it after the cascade process in StyleAdjuster.
style: Remove -servo-display-for-hypothetical-box from longhand
This is a sub-PR of #19015
r? emilio
For the `fn set_original_display` inside `properties.mako.rs`, I removed `is_item_or_root` first to see how the tests result is. If it's needed, I'll add it back.
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