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.
Improve the name the NodeGeometryQuery
This query is used to get the clientTop, clientWidth, clientHeight,
clientLeft properties of DOM objects. "NodeGeometry" doesn't really
capture what these properties do as they often are returning the width
of an element's border.
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Added WebIDL bindings for `GPUCommandEncoder`, `GPUCommandBuffer`, `GPUComputePassEncoder`, `GPUProgrammablePassEncoder`.
Implemented the `beginComputePass`, `copyBufferToBuffer` and `finish` functions of `GPUCommandEncoder`.
Implemented the `createCommandEncoder` function of `GPUDevice`.
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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Revert ANGLE upgrade.
This reverts commit ce6204b904, reversing
changes made to 904fcb4317.
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fix zip extraction for python 3
Fix#25618
Confirmed that this worked in Python 3.6 and Python 2.7.
Ref: https://stackoverflow.com/questions/805066/call-a-parent-classs-method-from-child-class
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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.
Mechanism to allow Servo to prompt the user
This blocks the embedder thread (compositor thread). Not ideal. I don't think it's too much work to only block script, I'll do that in a follow up bug.
Fix#23376
@Manishearth we have a few new APIs. Hopefully this will cover your needs. A thing I haven't implemented yet is a way to ask the user to pick from a list. Let me know if it's something you'll need.
Remove dependency of constellation on canvas
move `ConstellationCanvasMsg` to canvas_traits and start canvas paint thread
to components/servo. This, however, does not remove dependency for conditional
compilation options.
5f55cd5d71/components/constellation/Cargo.toml (L13-L15)
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Remove outdated comment about #4105
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Just taking out a comment for an issue that had already been resolved.
move `ConstellationCanvasMsg` to canvas_traits and start canvas paint thread
to components/servo. This, however, does not remove dependency for conditional
compilation options.
This query is used to get the clientTop, clientWidth, clientHeight,
clientLeft properties of DOM objects. "NodeGeometry" doesn't really
capture what these properties do as they often are returning the width
of element border.
Update user agent info
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GitHub is again giving warnings in Servo due to using an outdated Firefox version in the user agent string. This updates the version numbers as well as the OS versions to the latest supported releases.
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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
