Add support for keyword values for min-width and max-width
This is a follow-up to #14432 which got closed and can no longer be re-opened.
This PR aims to add support for keyword-values max-content, min-content, fit-content, and fill-available to the properties that use them, namely min-width, min-height, max-width, and max-height.
It's still untested because I still haven't figured out how to do that. I guess I should write or find some web page that uses these properties.
Refs #13821.
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Fix parsing of ClipRect
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Fix parsing of ClipRect for clip property.
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Implement gecko glue for clip property
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Implemented gecko glue for clip property.
Clip property looks slightly different in gecko. `auto` top and left values are preserved as auto in [gecko](http://searchfox.org/mozilla-central/rev/39e4b25a076c59d2e7820297d62319f167871449/layout/style/nsRuleNode.cpp#10294,10316) but converted to 0 in [servo](https://dxr.mozilla.org/servo/rev/65624dbfc28442b58145215f524eb13aeb2cadf6/components/style/values/specified/mod.rs#942). Gecko is setting `NS_STYLE_CLIP_TOP_AUTO` and `NS_STYLE_CLIP_LEFT_AUTO` flags with that information. But I tried this property in stylo build and it is working correctly like this. It looks like it doesn't change the outcome of the property.
~Do we really need to set these flags?~
Manishearth and bz said that auto and 0 values are same.
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Stylo: add `content: -moz-alt-content`
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Part of https://bugzilla.mozilla.org/show_bug.cgi?id=1341642
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Use servo's computed values to generater keyframes
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This is the servo side changes for https://bugzilla.mozilla.org/show_bug.cgi?id=1338927 reviewed by @Manishearth.
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Added deep equal operator for animation value
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This is the servo side patch for [Bug 1337229](https://bugzilla.mozilla.org/show_bug.cgi?id=1337229)
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Fix animation serialization 15398 pt2
Fixes animation serialization so that an animation shorthand is serialized only when the value lists have the same length (part of #15398)
There are two commits here - the first is a refactoring to update PropertyDeclarationBlock::to_css to match the spec (please see the full commit message for perhaps too many details).
The second commit utilizes the changes in the first, and updates the animation serialization itself to write an empty serialization if the longhand value lists have different lengths, as per the original issue.
Interestingly, the refactoring of the first commit simplified quite a lot more than the fix for this bug, in particular, the special case of 'overflow' shorthand serialization is handled by default, without the extra special case code (now removed).
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Make Request throw less often (fixes#13457)
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Fixes#15398
The previous commit did most of the work here of updating the algorithm
to skip shorthands if a shorthand value was an empty string. This commit
just updates animations LonghandToSerialize's implementation of
to_css_declared to write an empty string value if the list lengths
differ (and updates the test to match).
Add support for most of the border-image properties, pass to WR.
This adds support for:
* border-image (images, not gradients yet)
* border-image-source
* border-image-slice
* border-image-repeat (stretch + repeat only for now)
Remaining work:
* Connect border-image-outset (WR supports this).
* border-image-width
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Implement an ExtremumLength type which contains all the enumerated
keyword values for min-width, min-height, max-width, and
max-height. Then, implement a MinLength which can be used for min-width
and min-height. So far this just maps to Gecko values.
Refs #13821.
Stylo: Add constructors for @font-face descriptors
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Part of https://bugzilla.mozilla.org/show_bug.cgi?id=1340728
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geckolib: remove std::mem::transmute usages
We can make these look nicer with the FFIArcHelpers trait.
I think there are tests for these changes? Not sure.
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geckolib: use a global thread pool for styling
By having a single thread pool, rather than one per document, we use less memory. This addresses https://bugzilla.mozilla.org/show_bug.cgi?id=1324250.
This may be obvious to an experienced Rust programmer, but I went with raw pointers because trying to use `Option` global variables resulted in complaints about turning on feature flags in nightly Rust. Since this is for stylo, nightly features are not appropriate here.
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Do not pool HTTP connections.
HTTP connection pooling triggers consistent failures in #14620. Let's disable it until there's more time to solve the underlying problem in #15694.
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Stylo: add :-moz-table-border-nonzero pseudo-class.
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https://bugzilla.mozilla.org/show_bug.cgi?id=1340696
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possible shorthands matches the linked spec.
Previously substep 5 attempted to serialize the complete shorthand
declaration and substep 6 skipped to the next shorthand only if the
current shorthand was not serialized, but this did not catch empty
serializations. The spec on the other hand specifically says that the
*value* should be evaluated first and if the value is empty substep 6
should skip to the next shorthand - which is what happens now.
To do this required some refactoring which mostly simplifies the code.
Specifically:
- append_declaration_value was refactored so that importance is not
required as a arg (by moving it to the end of append_serialization)
and is_overflow_with_name was removed as an arg also (initially I
refactored it elsewhere, but it turns out it's no longer required at
all - more below). With these changes, append_declaration_value can
be used within the algorithm for to_css to obtain just the value for
substep 5.
- Substeps 7 and 8 of the algorithm become explicit (they were implicit
before) by passing the value, shorthand and importance to
append_serialization.
- serialize_shorthand_to_buffer is no longer required (as the algorithm
serializes the value first instead, as per the spec.
A surprising result of this was that I could also remove a lot of code
handling the special case of the overflow properties serialization. This
is because the overflow's LonghandToCss implementation of
to_css_declared already does the right thing according to the spec - it
writes the single value if both overflow-x and -y are equal, and
writes nothing otherwise - so that the algorithm now skips that shorthand
instead rendering the longhands.
Add 'use statements with extraneous spaces' tidy check
Add 'use statements with extraneous spaces' tidy check
I added simple check routine for 'use statements with extraneous
spaces' and codes that breaks the check routine in rust_tidy.rs.
* Added a code that using 'use statements with extraneous spaces' code
in rust_tidy.rs
* Added assertion code in test_tidy.py.
* check_rust function in tidy.py now recognizes the simple case in
the 'use statements with extraneous spaces'.
* Ran tidy check on rust code and modified a
code(tests/unit/style/parsing/inherited_text.rs) that is not passing
on this new tidy check.
TODO: this code has to be refactored to support more general cases, such as tab or newline.
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Remove network requests from image cache thread
The design of initiating network requests from the image cache thread was simple, but it makes it difficult to implement image loading that conforms to the HTML specification. These changes make the implementation of HTMLImageElement responsible for network requests for `<img>` elements, and CSS-based images (background-image, bullets, etc.) are requested by the script thread to ensure that the layout thread does not attempt to retain unsafe pointers to DOM nodes during asynchronous operations.
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Simplify defining arc ffi types
r? @Manishearth
I don't have a good sense for creating syntax... so if you have any suggestion for the syntax of `impl_arc_ffi` macro, it would be appreciated.
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