This allows relying on a specific version of clang-format and no longer
use any version checks. In addition, we can use --dry-run -Werror in
order to avoid having to run against every file individually.
Fix#29847.
Fix#29846.
Update mozangle and cc.
This fixes the build in some Linux environments.
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Update mozjs to get new mach version
The mozjs repository now has a version of mach that works more consistently with newer versions of Python.
Fixes#29142.
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Layout 2020: Move all Fragment code to the `fragment_tree` directory
This is a simple code organization change with no behavior change with the idea of making Layout 2020 easier to understand by new folks to the project. The idea is that we will have a cleaner separation between the different parts of layout ie one directory for the fragment tree and one (currently multiple) directory for the box tree.
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This is a simple code organization change with no behavior change with
the idea of making Layout 2020 easier to understand by new folks to the
project. The idea is that we will have a cleaner separation between the
different parts of layout ie one directory for the fragment tree and one
(currently multiple) directory for the box tree.
layout_2020: Allow end margin to collapse with children if height is set to 0
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Previously, end margin was allowed to collapse only when block size is not set.
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Lay out floats and handle clearance in layout 2020, but don't flow text around them yet
This is a crude rebase of #27539
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layout_2020: Implement automatic minimum size of flex items
Implement the algorithm described in
https://drafts.csswg.org/css-flexbox/#min-size-auto.
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Instead of hoisting floated fragments to be siblings of the fragment
created by their containing block formatting context, keep them in
"normal" fragment tree position and adjust their positioning to be
relative to the containing block. This means that float fragments follow
the existing invariants of the fragment tree and properly handle hit
testing, painting order, and relative positioning.
The tradeoff here is more complexity tracking the containing block
offsets from the block formatting context (including handling collapsed
margins), but less complexity dealing with hoisting / shared ownership
in addition to the correctness benefits.
Some tests are failing now because this change revealed some additional
shortcomings with clearing block formatting context content size past
the end of their contained floats. This will be fixed in a followup
change.
Co-authored-by: Oriol Brufau <obrufau@igalia.com>
This commit puts floats behind the `layout.floats.enabled` pref, because of the
following issues and unimplemented features:
* Inline formatting contexts don't take floats into account, so text doesn't
flow around the floats yet.
* Non-floated block formatting contexts don't take floats into account, so BFCs
can overlap floats.
* Block formatting contexts that contain floats don't expand vertically to
contain all the floats. That is, floats can stick out the bottom of BFCs,
contra spec.
Clear PositioningContext for speculative layouts
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Developed in collaboration with @mrobinson
`try_layout` is used for laying out absolutely positioned descendants multiple times when min/max-{width, height} properties are set. When the same PositioningContext instance is used between successive attempts without clearing the accumulated descendants, we will generate multiple fragments which reference the same box, which then will lead to a double borrow error when layout is performed in parallel.
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layout_2020: Only count for content size for height of non-replaced inline elements
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Accorinding to https://drafts.csswg.org/css2/#inline-non-replaced, The vertical padding, border and margin of an inline, non-replaced box start at the top and bottom of the content area, and has nothing to do with the line-height. But only the line-height is used when calculating the height of the line box.
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Vendoring machanism for webgpu cts & update
- Add `update-webgpu` command to mach to vendor webgpu cts.
- Update webgpu cts (480edec387) & expectations (even though most are failing due to out of date impl)
- Ignore vendored path from tidy check
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`try_layout` is used for laying out absolutely positioned
descendants multiple times when min/max-{width, height}
properties are set. When the same PositioningContext instance
is used between successive attempts without clearing the accumulated
descendants, we will generate multiple fragments which reference
the same box, which then will lead to a double borrow error
when layout is performed in parallel.
Signed-off-by: Mukilan Thiyagarajan <me@mukilan.in>
layout_2020: Specify the used cross size when replaced item is stretched
According to spec, if the flex item has [align-self: stretch](https://drafts.csswg.org/css-flexbox/#propdef-align-self), redo layout for its contents, treating this used size as its definite cross size so that percentage-sized children can be resolved.
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Convert some comments into rustdoc
These were always meant to be rustdoc and converting them makes them show up in the IDE in a more helpful way.
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Support extending DOM classes in JS
Adds support for determining the correct prototype as part of a `new` call for non-HTML constructors. Support for HTML constructors [was added](https://github.com/servo/servo/blob/master/components/script/dom/bindings/htmlconstructor.rs#L116) as part of the custom element work, but that wasn't enough for extending other DOM objects like `EventTarget`.
This work is based on Gecko's code in https://searchfox.org/mozilla-central/rev/2d678a843ceab81e43f7ffb83212197dc10e944a/dom/bindings/BindingUtils.cpp#3667, and is split into two parts:
1) the actualy new implementation (demonstrating that extending `EventTarget` works as expected)
2) plumbing the new prototype through all of the rest of the DOM object construction code.
This ends up being more complex than the way it's done in Gecko because they have lazy DOM reflectors, so their native DOM objects can be constructed without any knowledge of a JS prototype. Servo's reflectors are eager, however, so we need to propagate prototype information into individual constructors. As a result, this was a tedious set of changes to make.
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inline elements
Accorinding to https://drafts.csswg.org/css2/#inline-non-replaced, The
vertical padding, border and margin of an inline, non-replaced box
start at the top and bottom of the content area, and has nothing to do
with the line-height. But only the line-height is used when
calculating the height of the line box.
Backport several style changes from Gecko (3)
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This continues https://github.com/servo/servo/pull/29772.
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layout_2020: Check blocks for whether they will establish a formatting context
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According to spec
https://drafts.csswg.org/css-overflow-3/#overflow-control, If the computed value of overflow on a block box is neither visible nor clip nor a combination thereof, it establishes an independent formatting context for its contents.
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De-dupe sha-1
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This should mitigate the code size impact. Also make get_resolved_value
non-generic to avoid monomorphizing it multiple times.
Differential Revision: https://phabricator.services.mozilla.com/D130354
These are only used for frameset painting and the non-e10s <select>
dropdown focus codepath. We have other more appropriate standard
colors for this.
Differential Revision: https://phabricator.services.mozilla.com/D129992
