This change adds support for canceling CSS transitions when a property
is no longer transitionable or when an element becomes styled with
display:none. Support for canceling and replacing CSS transitions when
the end value changes is still pending. This change also takes advantage
of updating the constellation message to fix a bug where transition
events could be sent for closed pipelines.
Cherry-picked from https://github.com/servo/servo/pull/26244
(though this is not part of the Gecko build).
Now that rustfmt is getting close to stable, and work on the style system has died down a bit, it seemed like an opportune time to auto-format the style crates.
The first commit disables import reordering, since tidy and rustfmt don't currently agree on the correct ordering. The second commit does a bunch of manual fixups such that the output of rustfmt passes tidy. The third commit runs rustfmt on the three aforementioned crate.
There are a few dozen warnings in the style crate about lines longer than 100 characters. It would be good to fix these, but I don't have time for that now.
Source-Repo: https://github.com/servo/servo
Source-Revision: 9a900ef019cd643bff961d7b20db6da69f3edb29
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This is the Servo side changes of [bug 1444296](https://bugzilla.mozilla.org/show_bug.cgi?id=1444296).
Source-Repo: https://github.com/servo/servo
Source-Revision: 8e6cfbca47a259f20ba1c0d09e599169372d4930
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https://bugzilla.mozilla.org/show_bug.cgi?id=1439269
Source-Repo: https://github.com/servo/servo
Source-Revision: 638b44e0d7c651a256630617fc29bb177f677635
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This makes an element available in StyleAdjuster, and uses it to replace some of our CascadeFlags (the ones that don't represent restrictions on what's actually cascaded, actually).
That fixes handwaviness in the handling of those flags from style reparenting,
and code duplication to handle tricky stuff like :visited.
There are a number of other changes that are worth noticing:
* skip_root_and_item_based_display_fixup is renamed to skip_item_display_fixup:
TElement::is_root() already implies being the document element, which by
definition is not native anonymous and not a pseudo-element.
Thus, you never get fixed-up if your NAC or a pseudo, which is what the code
tried to avoid, so the only fixup with a point is the item one, which is
necessary.
* The pseudo-element probing code was refactored to return early a
Option::<CascadeInputs>::None, which is nicer than what it was doing.
* The visited_links_enabled check has moved to selector-matching time. The rest
of the checks aren't based on whether the element is a link, or are properly
guarded by parent_style.visited_style().is_some() or visited_rules.is_some().
Thus you can transitively infer that no element will end up with a :visited
style, not even from style reparenting.
Anyway, the underlying reason why I want the element in StyleAdjuster is because
we're going to implement an adjustment in there depending on the tag of the
element (converting display: contents to display: none depending on the tag), so
computing that information eagerly, including a hash lookup, wouldn't be nice.
See each commit for details.
Source-Repo: https://github.com/servo/servo
Source-Revision: 02331617b9bd7a379b05f7daa7ad09a44c27504c
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Servo side of https://bugzilla.mozilla.org/show_bug.cgi?id=1421195
r=emilio
Source-Repo: https://github.com/servo/servo
Source-Revision: 80341b291b3c1f0d423d8b8ab4eb8b1e78e03f2a
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Some defensive programming:
* Make `SelectorFlagsMap::apply_flags` private so it's easier to ensure it is called from the correct thread.
* Clear the cache and the map at the same time; otherwise `apply_flags` leaves `SelectorFlagsMap` in an inconsistent state.
---
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- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because they do not change behavior
Source-Repo: https://github.com/servo/servo
Source-Revision: 254bbf50a7676b00bb4c5f515c45f2cd3e8e283a
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This code used to insert duplicate entries to avoid expensive shuffling of the LRU cache. With uluru this is no longer necessary, because reordering the cache is cheap.
Now it uses the `LRUCache::find` method from uluru 0.2 to update entries in-place. This should increase cache hits by eliminating unnecessary evictions.
This PR also updates `arrayvec` because `uluru` depends on it, and `immeta` because it depends on `arrayvec`.
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 0c13f14aaa151764e1b3dd2d4503cb6fc3c9595b
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One less crate pointlessly in components/.
Source-Repo: https://github.com/servo/servo
Source-Revision: 6938b4f3ebcb7bea6c44081796b254a31e0df5cb
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This is cleanup that allows me to fix https://bugzilla.mozilla.org/show_bug.cgi?id=1415013 in a more straight-forward way.
Source-Repo: https://github.com/servo/servo
Source-Revision: d117694eccc8d8f89d14213e88a9931d3adee572
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See #18809
Still haven't had time to test it but it should fix the tests failures that appeared in m-c
Source-Repo: https://github.com/servo/servo
Source-Revision: fe4139b779b3af749ec1426ddf4e1393c7b85442
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We don't need them anymore
Source-Repo: https://github.com/servo/servo
Source-Revision: 69b9c221f65243562a5dc54cba45a083d1d046cc
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It still needs dependencies update to remove all the other bitflags
versions.
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes do not require tests because it's a dependency update
Source-Repo: https://github.com/servo/servo
Source-Revision: fe16c1d5c3c9084da0ccb85af599d6ec0f8ab20b
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This simplifies the logic in the layout_thread and makes it clearer
which types of reflows generate display lists and cause display updates.
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Rule cache
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This adds a TLS-based cache reset styles structs keyed off rule nodes. Reviewed in https://bugzilla.mozilla.org/show_bug.cgi?id=1367635 by me and Emilio.
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This is the first set of patches from https://bugzilla.mozilla.org/show_bug.cgi?id=1398658
Source-Repo: https://github.com/servo/servo
Source-Revision: def983c29566133ab02ed40b9ab8c5e99da8e53e
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