Handle specialized serialization of <position> in basic shapes
Fixes#13083
We temporarily broke basic-shape serialization in #13042 when 4-value positions were implemented, since I didn't want to increase the scope of that PR too much.
This fixes it.
r? @SimonSapin
cc @canaltinova
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style: Properly track whether negative values of calc() are allowed
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r? @SimonSapin
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In order to clamp them at computed value time.
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Implemented Navigator.cookieEnabled
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Update WR + shaders (switch to untyped UBO for CI).
This makes WR startup time significantly faster on Linux, by working around a slow path in the shader compiler.
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Fix incremental restyling under some circumstances due to our bogus use of ElementFlags.
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Depends on https://github.com/servo/rust-selectors/pull/98
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Add lots of Arc’s in style, and prepare for using DOMRefCell
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`DOMRefCell` usage is not there year because of thread-safety questions, but I have this much already that I’d like to land before it bitrots.
r? @emilio
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Handle row borders in border collapsing logic.
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Handle table row border when collapsing borders for a table row. The row border is combined with the cell's border using the already implemented conflict resolution logic.
This is a screenshot of the following test:
```html
<!doctype html>
<html><body>
<style>
table {
border-collapse: collapse;
}
tr {
border: 1px solid black;
}
</style>
<table>
<tr><td>Lorem</td><td>Ipsum</td><td>Sit</td><td>Dolor</td></tr>
<tr><td>Lorem</td><td>Ipsum</td><td>Sit</td><td>Dolor</td></tr>
<tr><td>Lorem</td><td>Ipsum</td><td>Sit</td><td>Dolor</td></tr>
<tr><td>Lorem</td><td>Ipsum</td><td>Sit</td><td>Dolor</td></tr>
</table>
</body>
</html>
```
<img src="https://dl.dropboxusercontent.com/u/10962672/Screenshots%20Servo/servo_tr_border_collapse.png"/>
The top border is missing, but I think that's a different bug, since it also does not show up when the border is in the cells, and not the rows. Also, when debugging the border collapsing structures, they seem ok (the top border seems to be there). I can look at that bug in a separate issue (or in this one too if you prefer).
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Fixes#11527.
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`Stylist` contains separate hashmaps for important and normal declarations,
but typically a given block only contains declarations of one importance.
Before this commit, there is an optimization where
a `PropertyDeclarationBlock` is only inserted in the corresponding map
if it has a non-zero number of declaration of a given importance.
With CSSOM, `PropertyDeclarationBlock` is gonna have interior mutability:
the importance (priority) of a declaration could change.
This optimization would become incorrect when the block is missing
in a hashmap where it should be.
This commits removes the original optimization, and replaces it with
a slightly weaker one: if a block doesn’t have any declaration
with the importance we’re cascading for, skip selector matching.
a script query.
This will, rather unfortunately, mean that we might repaint two times if we've
deferred a paint, then get an out-of-band reflow. Still seemed better than not
suppressing paints at all.
Fixes#13131
style: Allow calc in media queries.
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Fixes https://bugzilla.mozilla.org/show_bug.cgi?id=1290228
No tests have been added yet, I expect wpt to catch something, otherwise I'll write/import others.
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Html option element.form#13111
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Add HTMLOptionElement form attribute support
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Fix debug assertion introduced in #13108 by me.
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I'm stupid, and when I did the last moving-the-code-around, I failed miserably
to double-check it in a debug build.
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Fix canvas image tests when using webrender.
When webrender is enabled, image decoding doesn't pre-multiply by
alpha, but the canvas code expects the image data to be
pre-multiplied form.
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