Before this patch we were only optimizing the case of a single selector, which
is fine, but not enough to catch ones like .foo .bar or so.
This patch allows us to optimize classes and tags in the rightmost compound,
while keeping the current optimization for #id selectors.
Need to profile this, but code-wise should be ready for review.
Differential Revision: https://phabricator.services.mozilla.com/D9351
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extra : moz-landing-system : lando
Also remove specified-value-only keywords, since those are handled
only in Rust code and C++ doesn't need to know about them.
Differential Revision: https://phabricator.services.mozilla.com/D9634
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extra : moz-landing-system : lando
The selectors that crash seem just corrupted data structures, none of the
selectors from crash dumps make sense, and the ones for which I could trace the
source found no issue.
1. Add a new preference, layout.css.step-position-jump.enabled, for
step(_, jump-*) timing functions.
2. We still keep JumpEnd and End tags, even though there is no difference
between them. Therefore, we could disable the preference if needed.
3. Update the calculation of StepTiming to match the algorithm in the spec.
4. For servo, we implement the correct step function algorithm except
for the handling of before_flag. This could be fixed later.
Depends on D9313
Differential Revision: https://phabricator.services.mozilla.com/D9314
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extra : moz-landing-system : lando
First, we generate StyleComputedTimingFunction by cbindgen from Rust, and use
it in nsTimingFunction, so we could copy it directly without handling
the different memory layout. However, we have to rewrite the
nsTimingFunction and mozilla::ComputedTimingFunction for this.
Second, the rust-bindgen seems cannot generate the correct generic members
from complex C++ templates, especially for the nested template struct,
(https://github.com/rust-lang-nursery/rust-bindgen/issues/1429)
So we have to hide StyleTimingFunction to avoid the compilation errors.
Depends on D9312
Differential Revision: https://phabricator.services.mozilla.com/D9313
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extra : moz-landing-system : lando
We make sure the step number is always positive, so using
computed::Integer is safe and can derive ToComputedValue.
Depends on D9311
Differential Revision: https://phabricator.services.mozilla.com/D9845
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extra : moz-landing-system : lando
TimingFunction is defined in a separate spec (i.e. css-easing), instead
of transform, so we move it into a different file.
Depends on D9310
Differential Revision: https://phabricator.services.mozilla.com/D9311
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extra : moz-landing-system : lando
frames() timing function was removed from the spec, so we drop it.
Besides, some devtool tests are removed because they use frame(). I will
add them back by using new step function later.
Differential Revision: https://phabricator.services.mozilla.com/D9309
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extra : moz-landing-system : lando
See the extended commit message for the following spec change:
6b36d41ebc
Basically, by failing to take the absolute value, for certain content we can end
up doing division by zero which will mean that the test included in this patch
will cause an assertion to fail in debug builds and return
"matrix(NaN, NaN....)" in release builds.
Differential Revision: https://phabricator.services.mozilla.com/D9618
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extra : moz-landing-system : lando
This change removes directives NS_STYLE_ANIMATION_PLAY_STATE_* and replaces the values with those from a scoped enum called StyleAnimationPlayState.
Differential Revision: https://phabricator.services.mozilla.com/D9382
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extra : moz-landing-system : lando
This pulls a new nom version, which is slightly unfortunate, but I do want some
of the fixes upstream, and it's build-only, so I think it's not a huge deal.
Differential Revision: https://phabricator.services.mozilla.com/D9362
Have embedders send DOM keys to servo and use a strongly typed KeyboardEvent
from the W3C UI Events spec. All keyboard handling now uses the new types.
Introduce a ShortcutMatcher to recognize key bindings. Shortcuts are now
recognized in a uniform way.
Updated the winit port.
Updated webdriver integration.
part of #20331
This cherry-picks part of servo/servo#21881.
Transitions are still broken, but I found these messages more helpful than the
previous ones when diagnosing problems.
This cherry-picks part of servo/servo#20757.
The last caller who used was #14418, which did fix a problem but introduced
multiple. In particular, now transitions don't get expired ever, until they
finish running of course.
That is not ok, given you can have something that the user can trigger to change
the style (hi, :hover, for example), and right now that triggers new
transitions, getting this into a really funny state.
I should give fixing this a shot, but it's non-trivial at all.
This cherry-picks part of servo/servo#20757.
This was done that way just because Servo didn't support the `all` property at
the time.
We should do it this way and optimize it if it's slow. Though I suspect that
most of stuff doesn't actually need to be inherited, my patch at bug 1498943
should make it much faster than what it would otherwise be.
This cherry-picks servo/servo#21946.
This implements the selector(<complex-selector>) syntax for @supports.
See https://github.com/w3c/csswg-drafts/issues/3207 for explainer and
discussion.
Probably would should wait for that to be sorted out to land this, or maybe we
should put it behind a pref to get the code landed and change our
implementation if the discussion there leads to a change.
Differential Revision: https://phabricator.services.mozilla.com/D8864
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extra : moz-landing-system : lando
This fixes the issue that we should no longer be looking for control characters.
MozReview-Commit-ID: 8k89Aheq3NY
Differential Revision: https://phabricator.services.mozilla.com/D8876
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extra : moz-landing-system : lando
Move MozLength and MaxLength into generics, and drop the manual implementation
of ToComputedValue.
Depends on D8290
Differential Revision: https://phabricator.services.mozilla.com/D8291
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extra : moz-landing-system : lando
In order to get the correct computed value of these keywords, we have to
make sure we store the correct computed values in sizing properties in
both inline axis and block axis.
-moz-max-content and -moz-min-content should behave as the property's
initial value in block axis. -moz-fit-content and -moz-available are not
supported in block axis, so we also treat them as initial values.
Differential Revision: https://phabricator.services.mozilla.com/D8290
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extra : moz-landing-system : lando
I plan to change servo to use all: inherit on its UA sheet.
I hope the patch below should make it good enough performance-wise. And also,
it's probably broken so I don't think it's worth supporting it specially.
Differential Revision: https://phabricator.services.mozilla.com/D8686
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extra : moz-landing-system : lando
This makes us not allocate useless style structs when you're doing something
like resetting an already-reset property, or inheriting an already-inherited
property.
Seemed simple enough that I think we should do it. In practice we don't even
should pay an extra branch because I expect the compiler to be smart enough and
merge it with the one in the mutate() call.
Differential Revision: https://phabricator.services.mozilla.com/D8685
--HG--
extra : moz-landing-system : lando