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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Backport several style changes from Gecko
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Make `Location` operate on the correct objects
This PR updates the implementation of the "[`Location`-object navigate][1]" 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`][2] to match the specified behavior.
[1]: https://html.spec.whatwg.org/multipage/#location-object-navigate
[2]: https://html.spec.whatwg.org/multipage/#relevant-document
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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.
Use same-origin as default credential mode for RequestInit fix
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- Updated the default credential mode from omit to same-origin as per: https://github.com/whatwg/fetch/pull/1153
- Deleted instances of fallback credentials
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Fix 29741 by extending request builder
Extend RequestBuilder to include ResponseTainting and used said functionality to set response_tainting to `::CorsTainting` in `cors_preflight_fetch()`.
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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.
Remove this trait and replace it by two non-public functions on
ServoThreadSafeLayoutNode. This requires making the iterator not
generic, which simplifies things a little bit as well.
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).
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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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>
