RFR: 8361379: [macos] Refactor accessibility code to retrieve attribute by name [v3]

[Andy Goryachev]

On Wed, 9 Jul 2025 15:43:01 GMT, Alexander Zuev <kizune at openjdk.org> wrote:

>> but it will save a couple of nanoseconds!
>> 
>> the code is ok.  one question though: what are the circumstances when these calls would return NULL?
>
> 1. Custom component that has no role assigned at all
> 2. Exception happens on Java side processing the request
> That was just two popped out - probably there are more scenarios.

right, thank you for clarification!

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PR Review Comment: https://git.openjdk.org/jfx/pull/1840#discussion_r2195358693