CSS animations used to erroneously indicate that 'animation-play-state'
is permitted in @keyframes. It is not and is non-sensical to allow it
there. This mistake was faithfully transferred into Servo code (although
we also make 'animation-timing-function' which is what the spec text
meant to say).
The spec has been updated[1] and so we should update the Servo code
accordingly.
[1] adeb3434c5
selectors: Don't track class and id ancestor hashes in quirks mode.
It's incorrect to track classes and id selectors in a quirks-mode document,
since they should match case-insensitively.
Bug: 1382812
Reviewed-by: bholley
MozReview-Commit-ID: 4uvrfYsWb1v
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It's incorrect to track classes and id selectors in a quirks-mode document,
since they should match case-insensitively.
Bug: 1382812
Reviewed-by: bholley
MozReview-Commit-ID: 4uvrfYsWb1v
More grid serialization and parsing fixes
These are the bugs I discovered while I was re-enabling the disabled grid mochitests. Now all grid mochitests are passing! Additionally I converted `Vec<CustomIdent>`'s into `Box<[CustomIdent]>`. We are storing so many line names in vectors. These should help a bit.
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Extra space check
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Add tidy check for keywords with more than one space afterwards.
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Replace all uses of the style::stylearc alias with servo_arc.
The `stylearc` alias is left there temporarilly and will be removed completely in a later commit/PR where also `components/style/gecko/generated/structs_{debug|release}.rs` are re-generated (they still use the old alias).
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Simplify <an+b> in selector args when serializing.
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The alias is left there temporarilly and will be removed completely in a later commit where
also components/style/gecko/generated/structs_{debug|release}.rs are re-generated (they still
use the old alias).
Add [CEReactions] to webidls
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Relies on #17614
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Placed worklets implementation behind a pref
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At the moment, worklets are always exposed, even though their spec is still a draft. This PR hides them behind a pref.
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Implement custom element reactions
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Initial work for implementing custom element reactions: https://html.spec.whatwg.org/multipage/custom-elements.html#custom-element-reactions
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Some fixes to selector serialization re: namespaces and universal selector
- Fix eliding default namespace when serializing
- Fix shortest serialization property when namespace prefix is `*|` and there is no default namespace
- Omit universal selector when serializing to match `cssom/serialize-namespaced-type-selectors` (again so we get the shortest serialization)
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If omitting the universal selector in the serialization is possible, we
should do it so we obtain a shorter serialization (to match the behavior
asserted in cssom/serialize-namespaced-type-selectors.html).
For example, if someone writes *|*::before and there is no default
namespace, we should serialize to ::before; however, if there is a
default namespace, we should serialize to *|*::before.
(This is the test case "Universal selector in any namespace followed by
pseudo element).
This matches the behavior implemented by WebKit; that one case in
particular isn't implemented by Gecko, but other cases where the
universal selector should be elided are implemented by Gecko but were not
previously by Servo.
Once again it seems we don't need to preserve the original prefix name,
and this lets to_css serialize to the shortest form when there is no
default namespace and the *| prefix is used.
Selectors § 6.1.1 says:
Element type selectors that have no namespace component (no namespace
separator) represent elements without regard to the element's namespace
(equivalent to "*|") unless a default namespace has been declared for
namespaced selectors (e.g. in CSS, in the style sheet). If a default
namespace has been declared, such selectors will represent only elements
in the default namespace.
Then if there is no default namespace, *| (which we write as
QNamePrefix::ExplicitAnyNamespace) is equivalent to what we write as
QNamePrefix::ImplicitAnyNamespace; the latter has a shorter
serialization, so we should use that.
Properly set origin of fetch requests
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These changes aim to fix#15247
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These changes require changes in tests, but I need help with that (see comments below).
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Suppress CSS parser errors for vendor-prefixed properties.
This matches the behaviour of Gecko's CSS parser.
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- [X] These changes fix#17736
- [X] There are tests for these changes
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This allows us to have ensure_data() and clear_data() functions on the TElement
trait, instead of hacking around it adding methods in random traits.
This also allows us to do some further cleanup, which I'd rather do in a
followup.
Improve font layout in Linux / Freetype platforms.
This patch contains two small changes:
* Fix the font size calculation that is passed to Freetype. This
now matches exactly how Webrender and Gecko calculate font size
to pass to layout.
* Enable light hinting by default for fonts when using Freetype.
We should make this configurable in the future, but this is a
better default than no hinting (and matches what most Linux
distros default to).
These two changes (along with the pending WR update) fix a lot
of the font layout issues on Linux. There is still at least one
remaining issue with hidpi displays on Linux that will be fixed
in a follow up patch.
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This patch contains two small changes:
* Fix the font size calculation that is passed to Freetype. This
now matches exactly how Webrender and Gecko calculate font size
to pass to layout.
* Enable light hinting by default for fonts when using Freetype.
We should make this configurable in the future, but this is a
better default than no hinting (and matches what most Linux
distros default to).
These two changes (along with the pending WR update) fix a lot
of the font layout issues on Linux. There is still at least one
remaining issue with hidpi displays on Linux that will be fixed
in a follow up patch.
Have CharacterData call children_changed on its parent when data is set.
**Can't run WPT on my computer, so pushing here to run tests 😢**
Have CharacterData.SetData call children_changed on its parent when
data is set (if it is a Text node) so that HTMLStyleElement parents can
re-parse. Add variant ChildrenMutation::Text for it to use as the
mutation.
This fixes an issue where an empty <style> element's data is set but the
style is not updated. An HTMLStyleElement parent re-parses in its
children_changed implementation.
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Have CharacterData.SetData call children_changed on its parent when
data is set (if it is a Text node) so that HTMLStyleElement parents can
re-parse. Add variant ChildrenMutation::Text for it to use as the
mutation.
This fixes an issue where an empty <style> element's data is set but the
style is not updated. An HTMLStyleElement parent re-parses in its
children_changed implementation.
