Use Box<CalcLengthOrPercentage> in specified values to avoid bloating inline sizes
For #15061
CalcLOP is a large struct, and gets used quite often. While #15063 reduces its size a bit,
it will still be much larger than any of the other variants in the `specified::Length*` types,
so it will still bloat sizes, especially for specified values that contain many lengths.
This change boxes it in the length types, so that it just takes one word.
r? @heycam
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Only create scrolling overflow regions when necessary
Only create scroll roots for overflow regions when the overflow region
is actually larger than the container size. This prevents creating
scrolling roots for elements that do not have overflow scroll as a
side-effect of the way their height and width is defined. For example,
tables should never respect overflow:scroll since their height and
width should always be large enough to prevent overflow. This also
decreases the size and complexity of the display list in many other
circumstances.
As part of this change, transformed overflow calculation is moved from
display list construction to layout. This should mean that overflow is
handled more accurately earlier.
Fixes#14574.
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Only create scroll roots for overflow regions when the overflow region
is actually larger than the container size. This prevents creating
scrolling roots for elements that do not have overflow scroll as a
side-effect of the way their height and width is defined. For example,
tables should never respect overflow:scroll since their height and
width should always be large enough to prevent overflow. This also
decreases the size and complexity of the display list in many other
circumstances.
As part of this change, transformed overflow calculation is moved from
display list construction to layout. This should mean that overflow is
handled more accurately earlier.
Fixes#14574.
Cleaning up CalcLengthOrPercentage
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We don't really need enum variants in `CalcLengthOrPercentage`. Given that we already have the information (whether it's `vw`, `ch`, etc.) in the struct fields, we could just store `Option<CSSFloat>` there, and modify our `ToCss` implementation a bit.
cc #15061
r? @Manishearth or anyone interested
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gfx: Don't mutate the same point multiple times while translating it …
…to other stacking context space.
I don't know how neither review or a test caught this.
r? @pcwalton or @notriddle
Fixes#15015
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Do not use the script element's line number for external scripts.
This was yielding incorrect line numbers when looking at JS backtraces in gdb.
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The spec says that a script must be immediately prepared whenever "the script element
is connected and a node or document fragment is inserted into the script element,
after any script elements inserted at that time."
Fix the incrmental reflow behavior of text-overflow
This patch allows Servo to incrementally reflow truncated fragments correctly.
* The untruncated version of a fragment is preserved, and when incrementally reflowing, the untruncated version is what gets reflowed. If it needs truncated, it will get truncated again.
* The ellipsis fragments are skipped when incrementally reflowing a line. If it is still needed, it will be recreated.
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Report meaningful line numbers for inline script errors
Rebased from #14661.
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Use the newly stored line as the starting line number when
evaluating JS. This ensures that inline scripts will report
errors with meaningful line numbers.
Webgl blend func tests
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Add a function that validates the conditions for [Constant Color Blend](https://www.khronos.org/registry/webgl/specs/latest/1.0/#CONSTANT_COLOR_BLEND) in the WebGL specs. ./mach run -r tests/wpt/web-platform-tests/webgl/conformance-1.0.3/conformance/misc/webgl-specific.html
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ImageMaps: Implemented support for parsing coord attribute to a shape…
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Image Maps: (Part 1) Implemented support for parsing coord attribute to a shape object.
Implemented a hit_test method to see if a point is within the area. Tests for constructors and hit_test included
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… object in HTMLAreaElement
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Handle properly alternate stylesheet
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Alternate stylesheet are now fetched and then desactivated instead of ignoring them.
I don't know if tests are required to check if the stylesheet is correctly loaded and disabled ?
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Correctly handle unserializable shorthand
get_shorthand_appendable_value doesn't always return a serializable value. This change makes it handle that case correctly.
This change also updates step number in property_value_to_css to reflect the latest spec.
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Fix loss of response type information in Fetch API
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Avoids mapping response types that are distinct according to [the spec](https://fetch.spec.whatwg.org/#concept-response-type) to fewer response types. Also updates test expectations to match that we now pass tests that check the response type.
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