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In #16553 I did innocently add a support for @-moz-keyframes but as @SimonSapin pointed out, servo does not need to support -moz prefix one.
Whereas, I think servo should support @-webkit-keyframes since it is described in web
compatibility [1].
[1] https://compat.spec.whatwg.org/#css-at-rules
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Source-Revision: f51170a2a10691a1ad0b5da1b0c6e14e5186b8ba
These patches implement ComputeDistance trait, so we can use it for SMIL animation and for testing test_transitions_per_property.html, which uses nsDOMWindowUtils::ComputeAnimationDistance() to get the the distance between two AnimationValues.
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If there are multiple prefixed/non-prefixed @keyframes with the same name;
* non-prefixed rule overrides earlier rules.
* prefixed rule overrides earlier prefixed rules.
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This is PR of https://bugzilla.mozilla.org/show_bug.cgi?id=1356779
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Source-Revision: 85aba7ab14c64e16836c234158748d0cd7f435fd
add the moz_debug feature
debug_assertions is not a reliable guide to whether Gecko C++ code is
being compiled with debugging assertions, since we can now compile Gecko
with --enable-optimize --disable-debug --enable-rust-debug: Gecko will
be compiled without debugging assertions (and debugging struct layouts)
and Rust code will be compiled with debug_assertions. The struct
mismatches in the binding layer lead to startup crashes.
This feature is not presently used, but will be set by some Gecko-side
changes and then used by some Servo-side changes. These changes need to
be made first so that CI on both sides works correctly at all
intermediate stages along the way.
This is in service of https://bugzilla.mozilla.org/show_bug.cgi?id=1357556
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Just use WebRender's ClipId directly. This will allow us to create and
use ReferenceFrames in the future, if we need to do that. It will also
make it easier to have Servo responsible for creating the root
scrolling area, which will allow removing some old hacks in the future.
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Source-Revision: 6e05a903afe81af5a45067dde4f9af26a2ea4be2
Correctly implement following step of [Dom Document Spec](https://dom.spec.whatwg.org/#dom-document-createelement):
> Let namespace be the HTML namespace, if the context object is an HTML document or context object’s content type is "application/xhtml+xml", and null otherwise.
Note, this will make following test in `tests/wpt/web-platform-tests/dom/nodes/Document-constructor.html` to fail, so related .ini file added to mark it as such:
```
test(function() {
var doc = new Document();
var a = doc.createElement("a");
// In UTF-8: 0xC3 0xA4
a.href = "http://example.org/?\u00E4";
assert_equals(a.href, "http://example.org/?%C3%A4");
}, "new Document(): URL parsing")
```
I'm not very familiar with specs, but from quick look at it, I'm doubtfull that it is valid in the first place. This is an "application/xml" document, so I don't see why it should encode a.href. Firefox also fails that.
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Source-Revision: 2d732d829b3fc93938898118ee55ef985ebfc657
r=heycam https://bugzilla.mozilla.org/show_bug.cgi?id=1355427
(copying over the relevant commit message so that it doesn't get lost in the vcssync)
scriptlevel is a property that affects how font-size is inherited. If scriptlevel is
+1, for example, it will inherit as the script size multiplier times
the parent font. This does not affect cases where the font-size is
explicitly set.
However, this transformation is not allowed to reduce the size below
scriptminsize. If this inheritance will reduce it to below
scriptminsize, it will be set to scriptminsize or the parent size,
whichever is smaller (the parent size could be smaller than the min size
because it was explicitly specified).
Now, within a node that has inherited a font-size which was
crossing scriptminsize once the scriptlevel was applied, a negative
scriptlevel may be used to increase the size again.
This should work, however if we have already been capped by the
scriptminsize multiple times, this can lead to a jump in the size.
For example, if we have text of the form:
huge large medium small tiny reallytiny tiny small medium huge
which is represented by progressive nesting and scriptlevel values of
+1 till the center after which the scriptlevel is -1, the "tiny"s should
be the same size, as should be the "small"s and "medium"s, etc.
However, if scriptminsize kicked it at around "medium", then
medium/tiny/reallytiny will all be the same size (the min size).
A -1 scriptlevel change after this will increase the min size by the
multiplier, making the second tiny larger than medium.
Instead, we wish for the second "tiny" to still be capped by the script
level, and when we reach the second "large", it should be the same size
as the original one.
We do this by cascading two separate font sizes. The font size (mSize)
is the actual displayed font size. The unconstrained font size
(mScriptUnconstrainedSize) is the font size in the situation where
scriptminsize never applied.
We calculate the proposed inherited font size based on scriptlevel and
the parent unconstrained size, instead of using the parent font size.
This is stored in the node's unconstrained size and will also be stored
in the font size provided that it is above the min size.
All of this only applies when inheriting. When the font size is
manually set, scriptminsize does not apply, and both the real and
unconstrained size are set to the explicit value. However, if the font
size is manually set to an em or percent unit, the unconstrained size
will be set to the value of that unit computed against the parent
unconstrained size, whereas the font size will be set computing against
the parent font size.
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Source-Revision: 7919e591a46274c0d7f3a7c7c99d2643d55d60f1
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This issue is reported at https://bugzilla.mozilla.org/show_bug.cgi?id=1355005.
spec: https://developer.mozilla.org/en-US/docs/Web/CSS/box-orient
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According to PR #16494, column-count should be animatable, so we should change the animation_type to "normal".
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Source-Revision: ac92bddbf5e4a8e2f68fc57883244f9c4a35d466
-moz-transform property is an alias shorthand property. It has transform as sub-property but their parsing is different in some cases(matrix/matrix3d). -moz-transform also accepts LengthOrPercentage in the nondiagonal homogeneous components of matrix and matrix3d.
It looks like length and percentage values are getting computed to number directly. For example 120px converts into 120 and calc(120px + 20%) converts into 140. So I did like this. But we need to check this behavior again to be sure, I guess.
Also I spent half day investigating why matrices are not serializing after this change and found out their ToCss functions is not completely implemented yet 😄 I was going to implement them but there is an easy issue about it(#15194) so I left it that way. Probably all tests won't pass without it.
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WebRender currently makes a distinction between an external ClipId with
id equal to 0 and the root scroll ClipId. We need to detect this
situation and properly form the ClipId for the root.
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These patches add shorthand properties into TransitionProperty, so we can parse the shorthand properties properly and create transitions for them.
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Logical properties will be animatable (with discrete type), but for now, it is still non-animatable, so we assign "None" to the animation_type.
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This is needed for both bug 1357461 and bug 1273303, where I plan to add smarter
invalidations than what we have now.
Also, it's cleaner.
Ideally I'll move this onto stylist, though that may require extra work to make
it work fine for Servo, so for now let's just do the obvious thing.
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Source-Revision: 5274991545fedd9b7188c40abffb61b4067daa8a
…so with proper alignment.
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Improves bitbucket.
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This member is now unused since WebRender is the only display backend.
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Instead of passing down a complex clipping region to each item, used
shared clipping to handle overflow:hidden and CSS clips. In addition to
being more efficient, this should also fix quite a few issues related
to absolutely positioned elements.
One existing reftest is slightly modified to avoid tickling a quirk
with the way that WebRender rasterizes masks. We are working out how to
best express these combined masks with the API or need to. The change
does not affect the original subject of the reftest.
Fixes#13109.
Fixes#10151.
Fixes#7575.
Fixes#8074.
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Source-Revision: 86aa4e89c53fbf80f70fa3622cba2140b42a3b35
When dealing absolutely positioned items, we should use clip of our
containing block, even if our containing block doesn't itself establish
a new overflow clip. Additionally, we need to properly handle
assigning scroll root ids to fragments of inline elements.
We add a test for this behavior.
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Fix indentation of a `}` (see 8dfef0416f (r111661247))
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These are interdependent patches of Bug 1341372. We let animation-only restyle also work for RESTYLE_CSS_TRANSITIONS, and check if we need to update transitions by each transition property. If it is necessary to create/replace/cancel transitions, we create a SequentialTask for CSS_TRANSITIONS.
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This is a PR for https://bugzilla.mozilla.org/show_bug.cgi?id=1355732.
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Using a smallvec instead of recursively calling to_css for ComplexSelector to handle running out of stack.
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This is a PR for https://bugzilla.mozilla.org/show_bug.cgi?id=1355344
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The digits value was never implemented and was dropped from the spec. Old issues like #13769 still discussed if this value should be implemented.
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Allow proprer handling of unicode sequence in text input.
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I got a panic in Servo when I ran it with `RUST_LOG=debug`, which was due to `FT_Get_Postscript_Name` returning a null pointer.
I'm not sure how to add a test for this, so there is none right now.
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This version enables [struct field reordering][1] which brings the size of the types for specified values of some CSS properties under the threshold such that they shouldn’t be boxed anymore, making unit tests fail.
Simply unboxing them moves the test failure to Stylo’s unit tests, since the stable compiler used in that case does not do field re-ordering. Therefore, we manually reorder a couple fields to effectively bring this optimization to older compilers for a few specific types.
[1]: https://github.com/rust-lang/rust/pull/40377
Source-Repo: https://github.com/servo/servo
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Implemented a generic `impl<T> Either<Length, T>` which has a `parse_non_negative_length` method.
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Source-Revision: 91bd8f44f2bf373921a8453d4a9732f22d8ee344
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This is a PR for https://bugzilla.mozilla.org/show_bug.cgi?id=1324700
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Source-Revision: a9e917cf87a0a72c41cedfb67e053e08fdfa5ebe
This speeds up bloom-basic-ref.html by 4x on my machine.
Source-Repo: https://github.com/servo/servo
Source-Revision: b37f4952bd6f2c0177ad462e3445ac79dac19ecb
With this, almost all the grid properties will have been covered in Stylo. I now realize that we have only two more shorthands left to go - `grid` and `grid-template` (both require #16067)
Source-Repo: https://github.com/servo/servo
Source-Revision: f6f1d52fefa6289ee11fa93ee2afd12152ef3b63
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I don't think there is a way to avoid the clones, or is there one?
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Source-Revision: e918d4886885e29d07eb9ad29b8d3b16df44b931
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This issue is reported at https://bugzilla.mozilla.org/show_bug.cgi?id=1355017.
The following style
> background-position-x: 10%;
> background-position-y: top 3em;
generates
> background-position: 10% top 3em;
which is invalid. The correct form is
> background-position: left 10% top 3em;
The serialization of background-position should be implemented as a whole rather than just calling `to_css()` on its two longhand properties separately.
spec: https://drafts.csswg.org/css-backgrounds-4/#propdef-background-position
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These changes aim to solve #15169 correcting the `ToCss` implementation for `LonghandsToSerialize` for the `border-radius` shorthands. They also reduce redundant values like `1px 2px 1px 2px` to `1px 2px` to either sides of the slash.
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Source-Revision: f537fbd08f4523023f2428774a704fa4cd43aaa8
