We will introduce various new animation_value_type in subsequent patches,
so we should just check 'discrete' type for properties that we can't compute
distance.
* Add to_computed method to calculate `calc()` value with parent size,
if parent container size is `None`, the result will be `None`.
* Add from_option method for `MaybeAuto`, to construct from
`Option<Au>`.
* Update some test case.
We need to store color values that each components exceeds its normal range
(i.e. [0, 1]) during animation operations (e.g. interpolation). We clamp it
right before we insert animated values into the cascade.
Make clip property animatable.
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All elements end up with AFFECTED_BY_STATE right now, presumably due to the UA
sheet, and some non-TS pseudo-classes we've added, which means that we currently
never insert anything into the cache.
MozReview-Commit-ID: 5IU4qrjeJFy
style: Refactor overflow fixup to account for overflow: clip.
This is the missing piece to make the remaining contain tests not assert on
Gecko.
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Reset longhands of border-image to their initial value while parsing border shorthand
To do so, we need to declare the border-image longhands as part of border
shorthand and always reset them.
Spec link: https://drafts.csswg.org/css-backgrounds-3/#the-border-shorthands
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switch gecko_bindings over to the gecko_debug feature [DO NOT MERGE]
...so that they use the correct Gecko structs regardless of whether Rust
code is being compiled with debug assertions or not.
This is the second part of the Servo-side changes for https://bugzilla.mozilla.org/show_bug.cgi?id=1357556
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stylo: Add glue for contain property
In gecko, `size` and `content` values aren't implemented yet. So I had to disable these parts with mako. We will need to update the property and the glue once these are implemented in gecko.
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To do so, we need to declare the border-image longhands as part of border
shorthand and always reset them. This could fix couple stylo test failures.
See Gecko Bug 1357350 for the test update patches.
Spec link: https://drafts.csswg.org/css-backgrounds-3/#the-border-shorthands
Note that two unit tests have been fixed as well:
1. border_should_serialize_correctly
To verify the correctness of serialization of 'border' shorthand, we need
to reset 'border-image' as well.
2. same_longhands_should_serialize_correctly
Due to the same reason as above, since the 'border-image' is not reset,
the test expectation should be fixed.
stylo: Bug 1332633 - Implement ComputeDistance trait.
These patches implement ComputeDistance trait, so we can use it for SMIL animation and for testing test_transitions_per_property.html, which uses nsDOMWindowUtils::ComputeAnimationDistance() to get the the distance between two AnimationValues.
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Introduce ComputeDistance trait, which implement compute_distance and
compute_squared_distance.
For vector, compute_squared_distance is necessary because we use Euclidean
distance as the distance between two values. The easier way to implement
compute_squared_distance is to square the result from compute_distance, but
for some property values, they may have many components, e.g. (v1, v2, v3).
If we just square the result from compute_distance, the computation is
(sqrt(v1^2 + v2^2 + v3^2))^2. There are two redundant operators:
"square-root" and then "square". In order to avoid this, we should
implement compute_squared_distance separately for these types.
MozReview-Commit-ID: LmmrUXYlDb6
If there are multiple prefixed/non-prefixed @keyframes with the same name;
* non-prefixed rule overrides earlier rules.
* prefixed rule overrides earlier prefixed rules.
