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.
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- Update webgpu cts (480edec387) & expectations (even though most are failing due to out of date impl)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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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
The code introduced in the preceding patch deals with currentColor correctly,
so we should be able to do this now.
This uncovers a bug in the existing serialization code when a non-auto
text-decoration-thickness was used, caught by
css/css-text-decor/parsing/text-decoration-computed.html.
Differential Revision: https://phabricator.services.mozilla.com/D130018
This removes the various assumptions that the animation code does.
Code size might be a concern, we can optimize if it is a problem,
but let's do the obvious thing for now.
Differential Revision: https://phabricator.services.mozilla.com/D130017
And remove the autofill.background pref for 95 (or 96, depending on
when this lands) assuming nothing terrible causes us to turn it off on
94.
Differential Revision: https://phabricator.services.mozilla.com/D129988
This doesn't change behavior but will allow us to deduplicate some
logic given we compute the effective color-scheme in C++.
Differential Revision: https://phabricator.services.mozilla.com/D129744
The bitfield approach worked when the layer order was in pre-order, but
the spec was changed to make it work like post-order and I don't think
there's a way to keep it working like that, so keep the layer order in a
separate data structure that we look up when going from Rule to
ApplicableDeclarationBlock.
This is just a vector index operation so hopefully shouldn't be too bad.
This patch intentionally regresses @keyframe handling to some extent,
since we need a bit more complicated approach and it seemed worth
implementing in a separate patch.
Depends on D129380
Differential Revision: https://phabricator.services.mozilla.com/D129381
To more properly support Linux having a different default at runtime.
Expose the resolved value in appinfo for convenience, and use it in the
front-end as needed.
Differential Revision: https://phabricator.services.mozilla.com/D129004