RFR: 8350917: Allow parent nodes to provide CSS styleable properties for child nodes

[John Hendrikx]

On Sun, 16 Mar 2025 17:08:31 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> 8350917: Allow parent nodes to provide CSS styleable properties for child nodes
>
> modules/javafx.graphics/src/main/java/javafx/scene/CssStyleHelper.java line 465:
> 
>> 463:     }
>> 464: 
>> 465:     private record StylingContext(Node node, CalculatedValue font, StyleMap styleMap, Set<PseudoClass> pseudoClasses) {}
> 
> It might not be a good trade-off to create lots of transient objects on a hot path just to save a few arguments in the calling convention. This would be a nice improvement once we have value types in Java.

I checked this before hand, there is quite a bit more going on in creating the cache keys (see `getTransitionStates`), and I think this extra object will therefore be lost in the noise.

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PR Review Comment: https://git.openjdk.org/jfx/pull/1714#discussion_r1997717173