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This should fix the following two "expected to fail" tests described in https://github.com/servo/servo/issues/18015:
- getComputedStyle(elem) for url() listStyleImage uses the resolved URL
and elem.style uses the original URL
- getComputedStyle(elem) for url() listStyle uses the resolved URL
and elem.style uses the original URL
I updated the test failure expectations by removing the corresponding `.ini` file.
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r? emilio
---
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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
--HG--
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It's kind of a mess. See individual commits for details.
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--HG--
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This is a sub-PR of #19015
r? emilio
For the `fn set_original_display` inside `properties.mako.rs`, I removed `is_item_or_root` first to see how the tests result is. If it's needed, I'll add it back.
---
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Replace them instead by a computed value flag, the same way as the
IS_IN_DISPLAY_NONE_SUBTREE flag works.
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This feels more idiomatic in modern Rust, and replaces code like this:
`flow::base(&**root_flow).restyle_damage`
with this:
`root_flow.base().restyle_damage`.
---
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style: Make all keywords CamelCase for consistency.
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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
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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
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- [x] These changes do not require tests because it's a dependency update
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These are the inter-dependent patches of bug 1392161. We want to handle
extreme small lengths carefully for some properties, such as transform, so we
shouldn't use |Au| as the computed value of specified::Length. Now, we introduce
a new type, CSSPixelLength, which is a wrapper of CSSFloat, and it is the
computed value of specified::Length, so we can keep the fractional part
of computed::Length.
---
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- [X] These changes fix [Bug 1392161](https://bugzilla.mozilla.org/show_bug.cgi?id=1392161).
- [X] These changes do not require tests because there is a wpt test for this, and I also add some others in Gecko.
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This is a better approach than relying on
contains_positioned_fragments, because in the future other properties
will create absolute containing blocks.
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--HG--
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Some properties only accept non-negative values, or values greater than or equal to one. It is possible to produce an negative interpolated values while using negative timing functions, so we have to apply a restriction to these values to avoid getting invalid values.
For example, line-height must be non-negative, but the output progress of some timing functions (e,g. cubic-bezier(0.25, -2, 0.75, 1)) may be a negative value, so the interpolated result of line-height is also negative.
---
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- [X] These changes fix Bug 1374233.
- [X] These changes do not require tests because we have tests in Gecko side already.
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--HG--
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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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This commit splits the style and layout data in two separate refcells.
These transmutes have been a source of trouble (for example on Android), and
they feel like a hack anyway.
Fixes#16982
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stylo: Pass Cached ImageValue from stylo back to gecko
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This is part 6 ~ part 9 patch in bug 1310885
gecko bug link:
https://bugzilla.mozilla.org/show_bug.cgi?id=1310885
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Use some fake pseudo elements to style servo-specific boxes in servo. Also, Since for nested inline elements non-inheritable properties are properly stored in the inline context of an inline fragment, so get
rid of them on the style using empty pseudo to do cascading.
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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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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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--HG--
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Part of #14442.
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The design of initiating network requests from the image cache thread was simple, but it makes it difficult to implement image loading that conforms to the HTML specification. These changes make the implementation of HTMLImageElement responsible for network requests for `<img>` elements, and CSS-based images (background-image, bullets, etc.) are requested by the script thread to ensure that the layout thread does not attempt to retain unsafe pointers to DOM nodes during asynchronous operations.
---
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According to https://github.com/servo/servo/pull/3069 the cached thread local context is introduced for green threads. Now green threads has gone, and the existence of cache force us to create a `LayoutContext`, an `AssignISizes` and an `AssignBSizes` for each flow during parallel layout, so the pull request tries to remove it. And it also switch `assign_inline_sizes()` to accept a `LayoutContext` parameter, as according to my current design we need to do full layout to some flex items for column flexbox during assign isize traversal.
Part of #14123.
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---
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I've added a new tidy rule (no = in the beginning of line) + tests for it. Also cleaned up a few rust source files to accord with the new rule.
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The structures have changed, as has the syntax of the Rust language.
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This PR removes the `util` crate.
* Replaced the `spawn_named` and `clamp` functions by appropriate uses of `std:🧵:Builder::spawn`, `std::cmp::min` and `std::cmp::max`.
* Moved `opts`, `prefs` and `resource_files` into a new `config` crate.
* Moved `remutex` and `geometry` into their own crates.
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--HG--
rename : servo/components/util/Cargo.toml => servo/components/config/Cargo.toml
rename : servo/components/util/basedir.rs => servo/components/config/basedir.rs
rename : servo/components/util/lib.rs => servo/components/config/lib.rs
rename : servo/components/util/opts.rs => servo/components/config/opts.rs
rename : servo/components/util/prefs.rs => servo/components/config/prefs.rs
rename : servo/components/util/resource_files.rs => servo/components/config/resource_files.rs
rename : servo/components/util/geometry.rs => servo/components/geometry/lib.rs
rename : servo/components/util/remutex.rs => servo/components/remutex/lib.rs
rename : servo/tests/unit/util/lib.rs => servo/tests/unit/servo_config/lib.rs
rename : servo/tests/unit/util/opts.rs => servo/tests/unit/servo_config/opts.rs
rename : servo/tests/unit/util/prefs.rs => servo/tests/unit/servo_config/prefs.rs
rename : servo/tests/unit/util/remutex.rs => servo/tests/unit/servo_remutex/lib.rs
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Use the Either type for UrlOrNone
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Source-Revision: 290ff5c80138c77d65eaada3183dec35c059e38e
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Source-Repo: https://github.com/servo/servo
Source-Revision: 68b1d1d2860ac6c6e8c1c0dfe46af6790ca01dc8
--HG--
rename : servo/components/style/gecko/selector_impl.rs => servo/components/style/gecko/selector_parser.rs
rename : servo/components/style/selector_impl.rs => servo/components/style/selector_parser.rs
rename : servo/components/style/servo/selector_impl.rs => servo/components/style/servo/selector_parser.rs
rename : servo/components/style/selector_matching.rs => servo/components/style/stylist.rs
rename : servo/tests/unit/style/selector_matching.rs => servo/tests/unit/style/stylist.rs
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Still needs a bunch of code in net to be converted in order to get more
advantage of this for images and stuff, but meanwhile this should help quite a
bit with #13778.
Still wanted to get this in.
r? @SimonSapin
Source-Repo: https://github.com/servo/servo
Source-Revision: 22aebdf5d41a3509cd6515ccf5edcdf33715a76d
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Add a `LogicalMargin::start_end()` method that receives a `Direction' parameter. This is useful for some layout that is symmetric in inline and block directions, like flexbox.
Part of #14123.
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r? @SimonSapin
Source-Repo: https://github.com/servo/servo
Source-Revision: d16f3124640be647b4ed67cc4a68cebd55cdb7cc
This reduces a decent amount of overhead in #13778.
r? @SimonSapin
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This change allows inline margins, borders, and padding to interact correctly with {ib} splits.
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Source-Revision: 959dfe4a4f3dc2cd284411ba7abbe4947888d3e4
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Set the flag of the fragment of children in a flex container according
to the direction of the container. The mark is done on the fragment
because flex item enstablish a stacking context when its z-index is
non-zero ,despite its `position' property.
Part of #14123.
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r? @pcwalton
Source-Repo: https://github.com/servo/servo
Source-Revision: 333c397f03bc2d143e0d8c112138d5758d37f6f5
We need to hang both snapshots and restyle damage off of ElementData, and so we need them to be concrete to avoid infecting ElementData with the trait hierarchy.
Source-Repo: https://github.com/servo/servo
Source-Revision: d8ac5100e81ccbad4b5131688b96bedb9b5e279d
--HG--
rename : servo/resources/shaders/debug_color.fs.glsl => servo/components/style/servo/mod.rs
rename : servo/components/script_layout_interface/restyle_damage.rs => servo/components/style/servo/restyle_damage.rs
rename : servo/components/style/servo_selector_impl.rs => servo/components/style/servo/selector_impl.rs
This creates a sharp distinction between `Arc<Flow>`s, which may be
owned by anyone, and `FlowRef`s, which may only be owned by the
traversal code. By checking the reference count, we ensure that a `Flow`
cannot be pointed to by `Arc`s and `FlowRef`s simultaneously.
This is not a complete fix for #6503, though it is a necessary start
(enforcing the no-aliasing rule of `FlowRef::deref_mut` will require far
more work).
---
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Source-Repo: https://github.com/servo/servo
Source-Revision: 2b4a7b0b7ad9dd568dfde15ab47dc634ec561d70
Previously, `string-cache` defined:
* An string-like `Atom` type,
* An `atom!("foo")` macro that expands to a value of that type, for a set of strings known at compile-time,
* A `struct Namespace(Atom);` type
* A `ns!(html)` macro that maps known prefixed to `Namespace` values with the corresponding namespace URL.
Adding a string to the static set required making a change to the `string-cache` crate.
With 0.3, the `Atom` type is now generic, with a type parameter that provides a set of static strings. We can have multiple such sets, defined in different crates. The `string_cache_codegen` crate, to be used in build scripts, generates code that defines such a set, a new atom type (a type alias for `Atom<_>` with the type parameter set), and an `atom!`-like macro.
The html5ever repository has a new `html5ever_atoms` crate that defines three such types: `Prefix`, `Namespace`, and `LocalName` (with respective `namespace_prefix!`, `namespace_url!`, and `local_name!` macros). It also defines the `ns!` macro like before.
This repository has a new `servo_atoms` crate in `components/atoms` that, for now, defines a single `Atom` type (and `atom!`) macro. (`servo_atoms::Atom` is defined as something like `type Atom = string_cache::Atom<ServoStaticStringSet>;`, so overall there’s now two types named `Atom`.)
In this PR, `servo_atoms::Atom` is used for everything else that was `string_cache::Atom` before. But more atom types can be defined as needed. Two reasons to do this are to auto-generate the set of static strings (I’m planning to do this for CSS property names, which is the motivation for this change), or to have the type system help us avoid mix up unrelated things (this is why we had a `Namespace` type ever before this change).
Introducing new types helped me find a bug: when creating a new attribute `dom::Element::set_style_attr`, would pass `Some(atom!("style"))` instead of `None` (now `Option<html5ever_atoms::Prefix>` instead of `Option<string_cache::Atom>`) to the `prefix` argument of `Attr::new`. I suppose the author of that code confused it with the `local_name` argument.
---
Note that Stylo is not affected by any of this. The `gecko_string_cache` module is unchanged, with a single `Atom` type. The `style` crate conditionally compiles `Prefix` and `LocalName` re-exports for that are both `gecko_string_cache::Atom` on stylo.
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Source-Revision: 5b4cc9568dbd5c15e5d2fbc62719172f11566ffa
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Disallow an extraneous space in a function call between
the function name and the opening parenthesis in Rust
code, while ignoring macro declarations.
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Source-Repo: https://github.com/servo/servo
Source-Revision: ccefef5be43b6d174933196fd7552cbbfbdf53d6
The patch here hoists pseudo-element handling onto ThreadSafeLayoutElement. I have another patch which hoists stuff from TNode to TElement, but want to make sure this patch passes try first.
Source-Repo: https://github.com/servo/servo
Source-Revision: e7b5891d9ccdb551a536937391c019e20b3911a4
This is part of the new incremental restyle architecture work. I have patches to element-ify things more, but want to get this in the tree first.
Source-Repo: https://github.com/servo/servo
Source-Revision: 87ef5487179a5b4c556361ad0c77c798b1edd4e1
