Update XRWebGLLayer to match specification.
This unbreaks most of the webxr WPT tests.
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- [x] These changes fix#27312
- [x] There are tests for these changes
2020, not yet wired to the rest of layout.
This commit implements an object that handles the 10 rules in CSS 2.1:
https://www.w3.org/TR/CSS2/visuren.html#float-position
The implementation strategy is that of a persistent balanced binary search tree
of float bands. Binary search trees are commonly used for implementing float
positioning; e.g. by WebKit. Persistence enables each object that interacts
with floats to efficiently contain a snapshot of the float list at the time
that object was laid out. That way, incremental layout can invalidate and start
reflow at any point in a containing block.
This commit features extensive use of
[QuickCheck](https://github.com/BurntSushi/quickcheck) to ensure that the rules
of the CSS specification are followed.
Because this is not yet connected to layout, floats will not actually be laid
out in Web pages yet.
Note that unit tests as set up in Servo currently require types that they
access to be public. Therefore, some internal layout 2020 types that were
previously private have been made public. This is somewhat unfortunate.
Part of #25167.
Introduce dynamic module
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Implemented HTMLFormElement.relList
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Updated the tests to reflect addition of rel and relList for HTMLFormElement, as well as porting those code snippets from HTMLAnchorElement.
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Updated tests to reflect rel and relList in HTMLFormElement
Added AttrValue as style
Added attr
Updated outstanding test cases
Fixed formatting. Hopefully this time works
Implemented HTMLFormElement.relList
Add a sessionavailable event that allows content to enter an XR session without a user gesture
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This allows servo to implement immersive web apps. https://immersive-web.github.io/webxr/#application-launch
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- [x] `./mach build -d` does not report any errors
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- [x] These changes do not require tests because I'm not sure we should have a WPT for something this non-standard.
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Add stub isContextLost API.
We don't support losing contexts yet, so it's not lying to say that the context is never lost.
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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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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`.
