Simplify our setup for font metric queries from style
This is a backport of https://phabricator.services.mozilla.com/D157589,
by Emilio Cobos Álvarez, plus some additions so that Servo compiles,
and some parts from https://phabricator.services.mozilla.com/D144455.
Should have no change in behavior.
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Add support for the 'cap' font-relative unit
This is a backport of https://phabricator.services.mozilla.com/D133101, by Jonathan Kew.
Note that Servo isn't using font metrics yet, so the unit still won't really work.
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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).
Make names of Sender<> and Receiver<> variables more coherent
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Sometimes these variables are called port, sometimes ipc, sometimes they have the name of the thread on the other end and sometimes not. This PR tries to standardize on an obvious name for all of them:
Common pattern to note in this PR:
- If it is a `IpcSender`, then naming is followed by `ipc_sender`, such as: `bluetooth_ipc_sender`, `canvas_ipc_sender` etc..
- If variable is `crossbeam_channel` sender/receiver then naming is followed by `sender`/`receiver` such as: `devtools_sender`, `canvas_sender` etc...
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Update step numbers in URL constructor
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Two commits have been made ahead of the current implementation of
Servo's URL constructor:
- Align with a more modern IDL definition style [1]
- Add URL.canParse() [2]
Since these commits don't alter the actual behavior, this commit only
updates the step numbers and adds brief descriptions for each step.
No behavior change is expected with this commit.
[1]: ea3b75d333
[2]: ae3c28b84e
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Eliminate duplicate Layout DOM wrappers
There are duplicate sets of Layout DOM wrappers: one for Layout 2013 and one for Layout 2020. As part of cleaning up and simplifying the wrappers, this change parameterizes them on the specific layout data they contain. This allows them to be shared again. In addition, various small cleanups are included.
Fixes#29691.
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- [x] These changes fix#29691
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Don't go through app-units-ratio to convert absolute lengths
This is a backport of https://phabricator.services.mozilla.com/D143942, by Emilio Cobos Álvarez.
This doesn't change behavior on its own, but the current code introduces some minor floating point error which we can avoid, and which would cause failures with the patch for #29696.
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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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Use resolver 2
Latest [wgpu crates requires resolver 2](https://sotrh.github.io/learn-wgpu/beginner/tutorial1-window/#using-rust-s-new-resolver). There are also some rust 2021 edition fixes from cargo-fix.
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Two commits have been made ahead of the current implementation of
Servo's URL constructor:
- Align with a more modern IDL definition style [1]
- Add URL.canParse() [2]
Since these commits don't alter the actual behavior, this commit only
updates the step numbers and adds brief descriptions for each step.
No behavior change is expected with this commit.
[1]: ea3b75d333
[2]: ae3c28b84e
Signed-off-by: Yutaro Ohno <yutaro.ono.418@gmail.com>
This is a backport of https://phabricator.services.mozilla.com/D143942,
by Emilio Cobos Álvarez.
This doesn't change behavior on its own, but the current code introduces
some minor floating point error which we can avoid, and which would
cause failures with the patch for #29696.
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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There are duplicate sets of Layout DOM wrappers: one for Layout 2013 and
one for Layout 2020. As part of cleaning up and simplifying the
wrappers, this change parameterizes them on the specific layout data
they contain. This allows them to be shared again. In addition, various
small cleanups are included.
Fixes#29691.
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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Upgrade boto3 python module.
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The current version seem to be broken due to API change in one of the transitive dependency (urllib3) causing nightly builds to fail during package upload step with error:
```
ImportError: cannot import name 'DEFAULT_CIPHERS' from 'urllib3.util.ssl_' (C:\a\servo\servo\python\_virtualenv3.7\Lib\site-packages\urllib3\util\ssl_.py)
```
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- [x] These changes fix#29714
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- [x] These changes do not require tests because it is only used by CI workflow which has been tested in a [manual run](https://github.com/servo/servo/actions/runs/4892112991).
Don't report test results for closed PRs
When doing a try run, bors will often push the last closed merge onto the branch before pushing the change to try. This means that test results get reported on closed PRs. There are two issues with this:
1. Doing too much work on the bots.
2. Extra results on closed PRs.
This changes fixes the second issue.
Fixes#29583.
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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 current version seem to be broken due to API change in one of the transitive dependency (urllib3) causing nightly builds to fail during package upload step with error:
```
ImportError: cannot import name 'DEFAULT_CIPHERS' from 'urllib3.util.ssl_' (C:\a\servo\servo\python\_virtualenv3.7\Lib\site-packages\urllib3\util\ssl_.py)
```
When doing a try run, bors will often push the last closed merge onto
the branch before pushing the change to try. This means that test
results get reported on closed PRs. There are two issues with this:
1. Doing too much work on the bots.
2. Extra results on closed PRs.
This changes fixes the second issue.
Fixes#29583.
Fix an assertion failure in Layout 2020
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.
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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.
Detect body elements during layout
During layout it is often useful, for various specification reasons, to know if an element is the `<body>` element of an `<html>` element root. There are a couple places where a brittle heuristic is used to detect `<body>` elements. This information is going to be even more important to properly handle `<html>` elements that inherit their overflow property from their `<body>` children.
Implementing this properly requires updating the DOM wrapper interface. This check does reach up to the parent of thread-safe nodes, but this is essentially the same kind of operation that `parent_style()` does, so is ostensibly safe.
This change should not change any behavior and is just a preparation step for properly handle `<body>` overflow.
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During layout it is often useful, for various specification reasons, to
know if an element is the `<body>` element of an `<html>` element root. There
are a couple places where a brittle heuristic is used to detect `<body>`
elements. This information is going to be even more important to
properly handle `<html>` elements that inherit their overflow property from
their `<body>` children.
Implementing this properly requires updating the DOM wrapper interface.
This check does reach up to the parent of thread-safe nodes, but this is
essentially the same kind of operation that `parent_style()` does, so is
ostensibly safe.
This change should not change any behavior and is just a preparation
step for properly handle `<body>` overflow.
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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Move `FromScriptLogger` and `FromCompositorLogger` to seperate file
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This PR is an attempt to refactor the `constellation.rs` file in order to make it more readable. Starting the initiative with moving `FromScriptLogger` and `FromCompositorLogger` to a separate`logger.rs` file as they don't have any major dependency to be in the `constellation.rs` file itself.
Also noticed a broken link in `docs/HACKING_QUICKSTART.md` file. Adding the correct url.
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Rework CB management during stacking context tree construction
Manage containing blocks and WebRender `SpaceAndClip` during stacking context tree construction 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.
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Clean up how command-line options are passed around
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- [x] `./mach build -d` does not report any errors
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- [x] These changes fix#29678
- [x] These changes do not require tests because they do not change behavior.
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.
Constellation seems to have lots of code that could be moved into
seperate files. `FromScriptLogger` and `FromCompositorLogger` seem
to qualify for that.
Moved FromScriptLogger and FromScriptLogger to logger file.
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.
---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [X] `./mach build -d` does not report any errors
- [X] `./mach test-tidy` does not report any errors
- [X] These changes fix#29694 (GitHub issue number if applicable)
<!-- Either: -->
- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because ___
<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->
<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->
Fix flakiness in animation tests
1. When updating the animation timeline, ensure that nodes that are
animating are marked dirty, if necessary, so any style queries will
force a 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.
---
<!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `___` with appropriate data: -->
- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix#28334, #26435, #21486.
<!-- Either: -->
- [x] There are tests for these changes
<!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.-->
<!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. -->
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.
