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4 commits

Author SHA1 Message Date
Sam Atkins
9cce791424 LibWeb/CSS: Only attempt to load valid @font-face fonts
These must have a `font-family` and `src` set to be included in
font-matching. Otherwise they should be ignored, but still exist in the
CSSOM.
2025-04-04 10:40:32 +01:00
Sam Atkins
f87b454fa9 LibWeb/CSS: Parse @font-face descriptors as style values
CSSFontFaceRule now stores its values as a CSSFontFaceDescriptors, with
a ParsedFontFace produced on request. This is exposed via the `style`
attribute, so we pass a lot of tests that try to read values from
that.

We have one test regression, which we passed by mistake before: The test
wanted to ensure we don't allow `@font-face` nested inside other rules.
We passed it just because we discarded any `@font-face` without a
`font-family`. What we're supposed to do is 1) keep at-rules with
missing required descriptors and just not use them, and 2) reject
certain ones when nested.

We may want to cache the ParsedFontFace in the future, but I didn't here
because 1) it's called rarely, and 2) that would mean knowing to
invalidate it when the CSSFontFaceDescriptors changes, which isn't
obvious to me right now.
2025-04-04 10:40:32 +01:00
Shannon Booth
f87041bf3a LibGC+Everywhere: Factor out a LibGC from LibJS
Resulting in a massive rename across almost everywhere! Alongside the
namespace change, we now have the following names:

 * JS::NonnullGCPtr -> GC::Ref
 * JS::GCPtr -> GC::Ptr
 * JS::HeapFunction -> GC::Function
 * JS::CellImpl -> GC::Cell
 * JS::Handle -> GC::Root
2024-11-15 14:49:20 +01:00
Timothy Flynn
93712b24bf Everywhere: Hoist the Libraries folder to the top-level 2024-11-10 12:50:45 +01:00
Renamed from Userland/Libraries/LibWeb/CSS/CSSFontFaceRule.h (Browse further)