Implement "translate" attribute
This attribute is almost a straightforward enumerated one, but the getter value inherits from parents when the content attribute is absent, even when the parents are non-HTML elements. This initial commit is using LocalName::from on a static string; once html5ever has a release with "translate" in the built-in local name list, a small change will be needed.
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Give attribute-change callbacks a realm so they can to_jsval
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The new failing case is #25746, which is about the connected callback rather than the attribute-change one and not directly related to this code change.
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Changed error type on qname, per spec
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As specified in https://dom.spec.whatwg.org/#validate invalid QNames when creating a namespaced document/element/attribute get an invalid character exception, not a namespace exception.
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Give error and resize special getter/setters for body/frameset reflection
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Most of the event handlers that needed to be reflected between body and window were doing so via special getter/setters in htmlelement.rs, but error and resize were missing; they are now included, passing the tests for whether these are reflected.
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Make sure input value=12:30:01 doesn't turn into 12:30:1
Fixed convert_valid_normalized_local_date_and_time_string to add the mandatory leading 0 before seconds values that needed it, added tests to see that various-length strings with zeroes in them would roundtrip properly.
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Make performance observers take "type" and "buffered" options without panicking.
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I updated the observe() method to align with spec, and fixed the borrow duration bug @jdm pointed out in #25589 so it wouldn't cause a hard crash. Some tests go from failing to passing, but others go from early failing to later timeout; performance observers still aren't doing the right thing in all cases.
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Add support for some basic queries to layout_2020
These queries will make it easier to track progressions in the layout_2020 code.
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Filter file: and about: responses opaquely
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file: and about: schemes were being treated like data: for cors purposes, when in fact they should have been subject to opaque response filtering. A comment indicated that this was necessary for some CSS tests, but I think the comment was out of date; the only tests depending on the unfiltered responses are unit tests that do not test any CSS functionality. I've updated those tests to now test for the opaque-filtering itself.
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Make CanvasRenderingContext2D.createPattern() return null for incomplete images
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`createPattern()` should return `null` if the passed `image` argument is not usable.
References:
- https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-createpattern
- https://html.spec.whatwg.org/multipage/canvas.html#check-the-usability-of-the-image-argument
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Improve position:fixed support in layout_2020
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This makes it so that position:fixed elements do not scroll with the
rest of the contents, but does not tackle the rest of the issues with
their positioning.
Make HTMLFormControlsCollection rooted at the form's root, not rooted at the form itself
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We'd been misreading the first line of https://html.spec.whatwg.org/#dom-form-elements. The collection needs to be rooted higher than the form itself, so it can contain form controls elsewhere in the document with a form= content attribute. It is, as far as I can tell, unspecified whether "rooted at the form's root" is meant to live-update to a new root if the form is moved to another tree, and I'm assuming it doesn't have to.
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Add usability checks to CanvasRenderingContext2D.drawImage()
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These changes add the usability checks performed on an image to be drawn to the canvas.
References:
- https://html.spec.whatwg.org/multipage/canvas.html#drawing-images
- https://html.spec.whatwg.org/multipage/canvas.html#check-the-usability-of-the-image-argument
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Let EventSource fail fast on bad schemes
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EventSource went into an infinite reconnect loop in some cases where tests wanted it to go into a hard error state; this addresses the cases where that happens because the url isn't even http(s) and will thus definitely never result in an event stream.
https://github.com/web-platform-tests/wpt/issues/4311 suggests the tests might just be too picky here; the spec does use the word "may" on relevant behavior.
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Expose DOMHighResTimeStamps at lower res
As explained in https://www.w3.org/TR/hr-time-2/#clock-resolution and tested in a few WPT tests, we're not supposed to show Javascript the full resolution of OS timestamps. This fixes that on all the DOMHighResTimeStamp interfaces that weren't already limiting themselves to integer milliseconds.
The specific choice of how to coarsen the resolution is extremely bikesheddable; I commented the reasoning for my arbitrary choice but I admit it's arbitrary.
A couple tests of timing resolution still fail, but because they're seeing undefined and NaN values due to unimplemented attributes (#25658).
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Fix timeout vs. task-queue race conditions in promise rejection tests
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These two tests were assuming that timeouts and promise rejection events would have a temporal relationship not actually guaranteed by spec, leading to test timeouts if the DOM manipulation task queue was running slower than anticipated.
fix#22207, fix#22295
Of course, the upstream WPT results need looking at to be sure this hasn't done something weird to another browser.
Add support for overflow:scroll and overflow:hidden to layout_2020
This adds clipping and interactive scrolling support, but scrolling from
script is still not functional.
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Do not include request progress/total values on XHR timeout
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Do not include request progress/total values on XHR timeout as [the specification]( https://xhr.spec.whatwg.org/#request-error-steps) states that upload events when errors occur should always pass 0 for both values.
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Kill off hanging crashtests.
The reason that complex-glsl-does-not-crash.html kept leaving zombie processes is the following:
* WPT introduced the notion of crash tests (ie. tests that verify that they do not crash)
* if a timeout expires while running a crash test and the test has not finished running, it is reported as a failure and potential hang
* there is no code that causes a hanging test to stop running
* any test filename that ends in `-crash` is automatically treated as a crashtest
Implement SubmitEvent
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FormSubmitter was already being passed into submit, so there wasn't much work to do here other than making the new event interface itself.
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fix DOMTokenList
I fixed the bug described in 25128, and also the other cases in the same test (order of elements after replace).
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