scrollbars.css is the only sheet which is parsed as author level, but later
added as agent level in [1]. Add a new enum value so that it can be parsed
as author level in gecko (nsCSSParser::AgentRulesEnabled() will exclude it),
but servo can recognize it as agent level sheet when the sheet is created.
Delete UserRulesEnabled() because no one uses it.
[1] http://searchfox.org/mozilla-central/rev/7419b368156a6efa24777b21b0e5706be89a9c2f/layout/base/nsDocumentViewer.cpp#2326
MozReview-Commit-ID: 2lrV4ogfnHM
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This is the Servo side change of [bug 1351957](https://bugzilla.mozilla.org/show_bug.cgi?id=1351957) which has been reviewed on Bugzilla.
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AnimationValue::mGecko and AnimationValue::mServo are mutually
exclusive, so we have to make sure mGecko.IsNull() returns reasonable
value, or we will got assertions. Hence, we should initialize it during
constructing StyleAnimationValue from Servo side.
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This is the Servo part of [bug 1345696](https://bugzilla.mozilla.org/show_bug.cgi?id=1345696) which has been reviewed on Bugzilla.
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The current code can leave the tree in an inconsistent state, with the dirty
descendants bit not fully propagated.
Reviewed in https://bugzilla.mozilla.org/show_bug.cgi?id=1350441
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This is the Servo-side part of https://bugzilla.mozilla.org/show_bug.cgi?id=1350671.
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This is a PR of https://bugzilla.mozilla.org/show_bug.cgi?id=1344966
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These patches fix [Bug 1343153](https://bugzilla.mozilla.org/show_bug.cgi?id=1343153).
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In Gecko, these keywords compute to different values depending on the
font.
See https://bugzilla.mozilla.org/show_bug.cgi?id=1341775
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Before this PR, every object reflected in CSSOM is in `Arc<RwLock<_>>` to enable safe (synchronized) mutable aliasing. Acquiring all these locks has significant cost during selector matching:
* https://bugzilla.mozilla.org/show_bug.cgi?id=1311469
* https://bugzilla.mozilla.org/show_bug.cgi?id=1335941
* https://bugzilla.mozilla.org/show_bug.cgi?id=1339703
This PR introduce a mechanism to protect many objects with the same `RwLock` that only needs to be acquired once.
In Stylo, there is one such lock per process (in a `lazy_static`), used for everything.
I non-Stylo Servo, I originally intended to have one such lock per document (for author-origin stylesheets, and one per process for user-agent and user sytlesheets since they’re shared across documents, and never mutated anyway). However I failed to have the same document-specific (or pipeline-specific) `Arc` reachable from both `Document` nodes and `LayoutThread`. Recursively following callers lead me to include this `Arc` in `UnprivilegedPipelineContent`, but that needs to be serializable. So there is a second process-wide lock.
This was previously #15998, closed accidentally.
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I think these properties are generally rare enough that they're not worth adding 8 bytes of memmove overhead on every PropertyDeclaration. There are a _lot_ of 24-byte properties though, so I think that's probably a good sustainable level.
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This is a PR for https://bugzilla.mozilla.org/show_bug.cgi?id=1340958
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From https://bugzilla.mozilla.org/show_bug.cgi?id=1347719
This effectively combines the discriminants of the two enums and reduces the
size of PropertyDeclaration by one word.
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Right now they don't, which means that we have four properties making PropertyDeclaration 16 bytes bigger than it should be.
I'm not sure if there's a better way to get these tests to run against stylo than to hoist them into the properties file, but I couldn't figure it out. This seems good enough.
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This is the Servo side changes of [bug 1345698](https://bugzilla.mozilla.org/show_bug.cgi?id=1345698).
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This is on top of https://github.com/servo/servo/pull/15928.
Now that cascade() gets a Device ref, we can use the default computed values
from there to avoid propagating that state all over the place.
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This is needed for https://bugzilla.mozilla.org/show_bug.cgi?id=1346481
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I added the check, modified the tests and removed all instances of "-> ()" that were already there.
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This is the Servo part of [bug 1315601](https://bugzilla.mozilla.org/show_bug.cgi?id=1315601).
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This is a PR for https://bugzilla.mozilla.org/show_bug.cgi?id=1341985 .
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This is [bug 1344135](https://bugzilla.mozilla.org/show_bug.cgi?id=1344135).
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https://github.com/servo/rust-cssparser/pull/123
In particular, `match_ignore_ascii_case` now supports the full `match` syntax.
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This is PR of https://bugzilla.mozilla.org/show_bug.cgi?id=1342323 , reviewed by @emilio. Thank you Emilio!
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I think we have test cases for this in gecko tree.
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<s>Depends on https://github.com/servo/rust-cssparser/pull/122.</s>
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Reviewed upstream by @heycam
cc @bholley, didn't end up renaming the `layout_parent` thing, because it made the cascade way more verbose (and difficult to understand IMO) unnecessarily, and you said you were ok-ish with it.
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Use servo's computed values to generater keyframes
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This is the servo side changes for https://bugzilla.mozilla.org/show_bug.cgi?id=1338927 reviewed by @Manishearth.
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This is the servo side patch for [Bug 1337229](https://bugzilla.mozilla.org/show_bug.cgi?id=1337229)
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We can make these look nicer with the FFIArcHelpers trait.
I think there are tests for these changes? Not sure.
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By having a single thread pool, rather than one per document, we use less memory. This addresses https://bugzilla.mozilla.org/show_bug.cgi?id=1324250.
This may be obvious to an experienced Rust programmer, but I went with raw pointers because trying to use `Option` global variables resulted in complaints about turning on feature flags in nightly Rust. Since this is for stylo, nightly features are not appropriate here.
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r? @Manishearth
I don't have a good sense for creating syntax... so if you have any suggestion for the syntax of `impl_arc_ffi` macro, it would be appreciated.
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This is a PR of https://bugzilla.mozilla.org/show_bug.cgi?id=1340961
All patches has been reviewed by @emilio.
Thanks!
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