Return Option for Window's layout channel
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`Window::layout_chan()` now returns an `Option<Sender<Msg>>`, returning `None` if the window is dead.
FIX#26969FIX#26429FIX#21208FIX#19092FIX#22559FIX#22584FIX#22652
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- [X] These changes fix#23053
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This is my first contribution, I'm trying to figure things out!
This fix passes the test case shown in #23053, however I don't know what the behavior should be in `Document` and `ScriptThread` if `Window::is_alive()` is false : simply ignore it, don't do anything ? Or is this something that should not happen now that we return false in `Window::force_reflow()` ?
I'm not sure about the directory where the test case should go, any advice?
Mach test cargo target dir
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This change allows launching tests this way:
```sh
CARGO_TARGET_DIR=other-dir ./mach test-wpt ...
```
The build and check commands already check for the presence of the `CARGO_TARGET_DIR` variable, but that wasn't the case for wpt tests. This resulted in an error about the `servo` executable not being found in `target/debug/servo`.
Update referrer computation
The PR updates the request's referrer computation in consideration with the recent changes in [w3c/webappsec-referrer-policy#135](https://github.com/w3c/webappsec-referrer-policy/pull/135).
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- [x] These changes fix#27030 and fix#14505
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Implement MediaStreamAudioDestinationNode, MediaStreamAudioSourceNode, MediaStreamTrackAudioSourceNode
Progress in https://github.com/servo/servo/issues/26097
This is a draft since we need the data channels stuff to land first
(also I need to make sure we're passing WPT)
Implement HTMLFormElement.requestSubmit()
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This PR contains an implementation of [HTMLFormElement.requestSubmit()](https://html.spec.whatwg.org/multipage/forms.html#dom-form-requestsubmit)
This is literally my first hundred lines of Rust code, so if I crossed a few sacred lines here and there, please go easy on me :)
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There are two tests that still fail because we don't support `:invalid` CSS selector (see #10781). I verified that they pass if you change them to not use `:invalid`. Should be unlocked by #26729.
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animations: Finish support for fractional iteration counts
This change also improves support for creating animations with negative
delays, as that is necessary to test support for fractional iteration
lengths.
Fixes: #14858
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This change also improves support for creating animations with negative
delays, as that is necessary to test support for fractional iteration
lengths.
This change also adjusts existing Servo animation tests which assumed
that advancing to the exact moment of the end of the animation would be
considered "before the end." With this change, this moment is "after the
end."
Fixes: #14858
Fix nested modules while imported under more than 3 levels
This is kind of workaround to fix the issue but #26903 should provide much better solution to remove the checking.
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Cancel animations for nodes which are removed from the DOM
This includes nodes which are being reparented.
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Silently ignore failures to queue websocket tasks
- [x] `./mach build -d` does not report any errors
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- [x] These changes fix#26977
- [x] There are tests for these changes
Upgrade flake8/pyflakes for Py3 compatibility
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