Stop skipping css-variables tests in layout-2020
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layout_2020: fix target main size not get clamped in flexbox
When Resolving flexible lengths, the clamp result of item's target main size is not actually saved when it should.
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Backport several style changes from Gecko
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This PR updates the implementation of the "Location-object navigate"
algorithm to use the correct browsing context as the source browsing
context for navigation. This affects the determination of a referrer and
referrer policy and the treatment of javascript: URLs.
This PR also fixes the derivation of a Location object's relevant
Document to match the specified behavior.
This will ultimately make it simpler to update crate dependencies and
reduce duplicate when specifying requirements. Generally, this change
does not touch dependencies that are only used by a single crate. We
could consider moving them to workspace dependencies in the future.
layout 2020: Implement justify-content in flexbox
Align the items along the main-axis per justify-content.
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Add value argument to URLSearchParams's has() and delete()
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My first attempt at contributing Rust code!
Add the value argument to `has()` and `done()` as in [the spec](https://url.spec.whatwg.org/#dom-urlsearchparams-delete).
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Better implement getComputedStyle() for positioned insets
The specification dictates quite quite idiosyncratic return values when
querying insets of positioned elements via `getComputedStyle()`. These
depend on whether or not the element's size was overconstrained. This
change adds a better implementation of that in preparation for returning
proper values for `position: sticky`.
There are two changes here:
- The containing block used in `FragmentTree::find` is properly computed using the `ContainingBlockManager` data structure. This data structure is now updated during traversal through the fragment tree in `Fragment::find`.
- We now take into account whether or not a absolute elements are overconstrained when calculating their resolved insets. For absolutely positioned elements, this happens during absolute positioning. For relatively positioned elements, we can determine this when a `BoxFragment` is constructed.
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The specification dictates quite quite idiosyncratic return values when
querying insets of positioned elements via getComputedStyle(). These
depend on whether or not the elements size was overconstrained. This
change adds a better implementation of that in preparation for returning
proper values for position: sticky.
Implemented special cases for Element.clientWidth() and clientHeight()
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Implemented the special cases for Element.clientWidth() and Element.clientHeight() as outlined in issue #29704.
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[Specification text](https://w3c.github.io/csswg-drafts/cssom-view/#dom-element-clientwidth):
> If the element is the [root element](https://w3c.github.io/csswg-drafts/css-display-4/#root-element) and the element’s [node document](https://dom.spec.whatwg.org/#concept-node-document) is not in [quirks mode](https://dom.spec.whatwg.org/#concept-document-quirks), or if the element is [the body element](https://html.spec.whatwg.org/multipage/dom.html#the-body-element-2) and the element’s node document is in quirks mode, return the [viewport](https://www.w3.org/TR/CSS21/visuren.html#x1) width excluding the size of a rendered scroll bar (if any).
Fix scrolling on root element
eca0acf459 uncovered a bug in the way that the scrolling area of `window` was calculated and broke scrolling on the root element. This change does two things in order to fix that:
1. Does a partial revert of eca0acf459 in order to get scrolling from script working again on the window object.
2. Has the compositor always generate a frame for scrolls starting from script and waits for them. This is speculative fix for flakiness in root scrolling tests on CI.
The changes to the compositor expose some hidden failures, which is why some tests are marked as failing now.
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Don't skip css-borders and css-outline tests
This enables a total of 8 tests.
I have a patch that fixes 5 out of the 7 failures.
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Improve serialization of the outline shorthand
This is a backport of https://phabricator.services.mozilla.com/D155569, by Connor Pearson.
Test: /css/css-ui/parsing/outline-valid-mandatory.html
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eca0acf459 uncovered a bug in the way that
the scrolling area of `window` was calculated and broke scrolling on the
root element. This change does two things in order to fix that:
1. Does a partial revert of eca0acf459 in
order to get scrolling from script working again on the window
object.
2. Has the compositor always generate a frame for scrolls starting from
script and waits for them. This is speculative fix for flakiness in
root scrolling tests on CI.
The recent changes to containing blocks, exposed an issue in the
StyleExt trait:
- When deciding whether an element creates a reference frame, whether
or not it is a non-replaced inline is taken into account when
determining if it has a transform.
- When deciding whether an element creates a stacking context for all
descendants, whether or not it is a non-replaced inline is *not*
taken into account when determining if it has a transform.
In both cases, elements that are inline should not be considered to have
transforms. This commit fixes that issue as well as making it so that
inlines cannot be transformed. Note that is also breaks transforms on
replaced elements, but that functionality was fairly half-baked due to
the inconsistent determination of transforms.
Implement outline-offset in layout-2020
Tests that are now passing:
- /_mozilla/css/outline_offset_a.htm
- /css/css-ui/outline-010.html
- /css/css-ui/outline-012.html
- /css/css-ui/outline-013.html
- /css/css-ui/outline-017.html
- /css/css-ui/outline-negative-offset-composited-scroll.html
- /css/css-ui/outline-offset-001.html
- /css/css-ui/outline-offset-table-001.html
- /css/css-ui/outline-offset.html
- /css/css-ui/parsing/outline-offset-computed.html
- /css/css-ui/parsing/outline-offset-valid.html
Also improvements in:
- /_mozilla/mozilla/calc.html
- /css/css-ui/animation/outline-offset-interpolation.html
- /css/css-ui/inheritance.html
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Manage containing blocks and WebRender SpaceAndClip during stacking
context tree constuction using the ContainingBlockInfo data structure.
This will allow us to reuse this data structure whenever we traverse the
fragment tree. In addition, StackingContextBuilder is no longer
necessary at all. This change also fixes some bugs where fixed position
fragments were not placed in the correct spatial node. Unfortunately,
these fixes are difficult to test because of #29659.
Implement outlines in layout-2020
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This only covers the CSS2 properties: 'outline-width', 'outline-style',
'outline-color', and the shorthand 'outline'.
CSS UI 3 introduced 'outline-offset', which is left for a follow-up.
'outline-color: invert' isn't included either, but note CSS UI says that
conformant UAs may ignore the 'invert' value on platforms that do not
support color inversion of the pixels on the screen.
Tests that are now passing:
- /_mozilla/css/input_insertion_point_empty_a.html
- /_mozilla/css/outlines_simple_a.html
- /_mozilla/css/stacking_context_overflow_relative_outline_a.html
- /_mozilla/mozilla/getPropertyPriority.html
- /css/CSS2/ui/outline-color-001.xht
- /css/CSS2/ui/outline-color-002.xht
- /css/CSS2/ui/outline-color-007.xht
- /css/CSS2/ui/outline-color-008.xht
- /css/CSS2/ui/outline-color-013.xht
- /css/CSS2/ui/outline-color-018.xht
- /css/CSS2/ui/outline-color-023.xht
- /css/CSS2/ui/outline-color-024.xht
- /css/CSS2/ui/outline-color-025.xht
- /css/CSS2/ui/outline-color-031.xht
- /css/CSS2/ui/outline-color-036.xht
- /css/CSS2/ui/outline-color-041.xht
- /css/CSS2/ui/outline-color-046.xht
- /css/CSS2/ui/outline-color-047.xht
- /css/CSS2/ui/outline-color-048.xht
- /css/CSS2/ui/outline-color-049.xht
- /css/CSS2/ui/outline-color-050.xht
- /css/CSS2/ui/outline-color-051.xht
- /css/CSS2/ui/outline-color-052.xht
- /css/CSS2/ui/outline-color-053.xht
- /css/CSS2/ui/outline-color-054.xht
- /css/CSS2/ui/outline-color-058.xht
- /css/CSS2/ui/outline-color-059.xht
- /css/CSS2/ui/outline-color-061.xht
- /css/CSS2/ui/outline-color-062.xht
- /css/CSS2/ui/outline-color-069.xht
- /css/CSS2/ui/outline-color-070.xht
- /css/CSS2/ui/outline-color-071.xht
- /css/CSS2/ui/outline-color-072.xht
- /css/CSS2/ui/outline-color-073.xht
- /css/CSS2/ui/outline-color-074.xht
- /css/CSS2/ui/outline-color-075.xht
- /css/CSS2/ui/outline-color-079.xht
- /css/CSS2/ui/outline-color-081.xht
- /css/CSS2/ui/outline-color-082.xht
- /css/CSS2/ui/outline-color-089.xht
- /css/CSS2/ui/outline-color-090.xht
- /css/CSS2/ui/outline-color-091.xht
- /css/CSS2/ui/outline-color-092.xht
- /css/CSS2/ui/outline-color-093.xht
- /css/CSS2/ui/outline-color-094.xht
- /css/CSS2/ui/outline-color-095.xht
- /css/CSS2/ui/outline-color-099.xht
- /css/CSS2/ui/outline-color-101.xht
- /css/CSS2/ui/outline-color-102.xht
- /css/CSS2/ui/outline-color-109.xht
- /css/CSS2/ui/outline-color-110.xht
- /css/CSS2/ui/outline-color-111.xht
- /css/CSS2/ui/outline-color-112.xht
- /css/CSS2/ui/outline-color-113.xht
- /css/CSS2/ui/outline-color-114.xht
- /css/CSS2/ui/outline-color-115.xht
- /css/CSS2/ui/outline-color-119.xht
- /css/CSS2/ui/outline-color-121.xht
- /css/CSS2/ui/outline-color-122.xht
- /css/CSS2/ui/outline-color-130.xht
- /css/css-ui/outline-001.html
- /css/css-ui/outline-002.html
- /css/css-ui/outline-004.html
- /css/css-ui/outline-007.html
- /css/css-ui/outline-008.html
- /css/css-ui/outline-016.html
- /css/css-ui/outline-018.html
- /css/css-ui/outline-021.html
- /css/css-ui/outline-022.html
- /css/css-ui/outline-color-001.html
- /css/css-ui/outline-style-011.html
- /css/css-ui/outline-style-012.html
- /css/css-ui/outline-style-013.html
- /css/css-ui/outline-style-014.html
- /css/css-ui/parsing/outline-color-computed.html
- /css/css-ui/parsing/outline-color-valid-mandatory.html
- /css/css-ui/parsing/outline-shorthand.html
- /css/css-ui/parsing/outline-style-computed.html
- /css/css-ui/parsing/outline-style-valid.html
- /css/css-ui/parsing/outline-width-valid.html
- /css/css-ui/translucent-outline.html
Also improvements in:
- /_mozilla/mozilla/calc.html
- /css/css-ui/animation/outline-color-interpolation.html
- /css/css-ui/animation/outline-width-interpolation.html
- /css/css-ui/inheritance.html
- /css/css-ui/outline-017.html
- /css/css-ui/parsing/outline-valid-mandatory.html
- /css/css-ui/parsing/outline-width-computed.html
- /css/cssom/cssom-setProperty-shorthand.html
- /css/cssom/getComputedStyle-resolved-colors.html
- /css/cssom/serialize-values.html
- /css/cssom/shorthand-values.html
New failures:
- /css/CSS2/ui/outline-applies-to-005.xht
- /css/CSS2/ui/outline-applies-to-006.xht
- /css/CSS2/ui/outline-color-applies-to-005.xht
- /css/CSS2/ui/outline-color-applies-to-006.xht
- /css/CSS2/ui/outline-style-applies-to-005.xht
- /css/CSS2/ui/outline-style-applies-to-006.xht
- /css/CSS2/ui/outline-width-applies-to-005.xht
- /css/CSS2/ui/outline-width-applies-to-006.xht
Al of these fail because tables are not implemented yet.
- /css/css-ui/outline-offset.html
Fails because outline-offset is not implemented yet.
- /css/css-ui/outline-with-padding-001.html
Fails because the outline doesn't include overflowing contents.
I don't think this is required by the spec, Firefox fails too.
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1. When updating the animation timeline, ensure that nodes that are
animating are marked dirty, if necessary, so any style queries will
force an layout flush.
2. Disable the problematic transition test suites, as they are in Gecko.
These suites often fail when Servo is so overloaded that it cannot
deliver frames fast enough to get more than two samples during the
animation lifecycle.
Fixes#28334.
Fixes#26435.
Fixes#21486.
Normalize corner radii that add up to > 100%
WebRender already seems to be doing this normalization, but this is needed by inner_radii in order to properly compute the reduced radii when background-clip is content-box or padding-box.
This will also be needed for expanding the radii for box-shadow or outline.
Test: css/css-backgrounds/background-rounded-image-clip-002.html
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WebRender already seems to be doing this normalization, but this is
needed by inner_radii in order to properly compute the reduced radii
when background-clip is content-box or padding-box.
This will also be needed for expanding the radii for box-shadow or
outline.
Test: css/css-backgrounds/background-rounded-image-clip-002.html
Fix corner clipping typos in layout-2020
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inner_radii() had a minus sign that shouldn't be there.
And padding_edge_clip() and content_edge_clip() clearly need to to use
the padding_rect() and content_rect() instead of border_rect.
Tests:
- css/css-backgrounds/background-clip-padding-box-with-border-radius.html
- css/css-backgrounds/background-rounded-image-clip.html
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inner_radii() had a minus sign that shouldn't be there.
And padding_edge_clip() and content_edge_clip() clearly need to to use
the padding_rect() and content_rect() instead of border_rect.
Tests:
- css/css-backgrounds/background-clip-padding-box-with-border-radius.html
- css/css-backgrounds/background-rounded-image-clip.html
Reset to in-memory stream with empty byte sequence for None init body
Because the response body stream is initialized with FetchResponse, it cannot be processed with in-memory empty sequence. Thus, instead of using the FetchResponse stream, we'll reset it to Memory body stream with empty byte sequence if there's no init body.
With this PR, we can fix the TIMEOUT in `/fetch/content-type/response.window.html` so I think it should fix#22304.
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- [x] These changes fix#22304
- [x] There are tests for these changes
Round text decoration thickness to >= 1 device pixels
Previously the thickness coming from font metrics could be something like 0.7px, so with 1dppx it would be painted as either 1 or 0 device pixels.
Enforcing at least 1 device pixel ensures that the decoration will be visible, and rounding to an integral amount of device pixels ensures that the thickness won't vary depending on the position.
The specification requires this behavior when text-decoration-thickness is set to a length or percentage. It's not clear if it should also happen by default, but this seems to match other browsers (except for WebKit rounding up instead of to the nearest integer).
The test text-decoration-thickness-from-zero-sized-font.html is now failing because of #29675.
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Previously the thickness coming from font metrics could be something
like 0.7px, so with 1dppx it would be painted as either 1 or 0 device
pixels.
Enforcing at least 1 device pixel ensures that the decoration will be
visible, and rounding to an integral amount of device pixels ensures
that the thickness won't vary depending on the position.
The specification requires this behavior when text-decoration-thickness
is set to a length or percentage. It's not clear if it should also
happen by default, but this seems to match other browsers (except for
WebKit rounding up instead of to the nearest integer).
The test text-decoration-thickness-from-zero-sized-font.html is now
failing because of #29675.
Because the response body stream is initialized with FetchResponse, it
cannot be processed with in-memory empty sequence. Thus, instead of
using the FetchResponse stream, we'll reset it to Memory body stream
with empty byte sequence if there's no init body.
Update layout-2020 test expectations
Some tests are now passing thanks to #29661.
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- [ ] These changes fix #___ (GitHub issue number if applicable)
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