RFR: 8252936: Optimize removal of listeners from ExpressionHelper.Generic

Fri Mar 5 16:08:13 UTC 2021

On Wed, 26 Aug 2020 15:40:57 GMT, Jose Pereda <jpereda at openjdk.org> wrote:

> So I'd like to propose this third alternative, which would affect only VirtualFlow and the controls that use it, but wouldn't have any impact in the rest of controls as the other two options (as ExpressionHelper or Node listeners wouldn't be modified).

Given PR #185, which was mentioned above, (it isn't out for review yet, but I want to evaluate it), this would be a 4th approach.

As long as this really doesn't introduce a leak, it seems promising.

I note that these are not mutually exclusive.

We should discuss this on the list and not just in one or more of of the 3 (soon to be 4) open pull requests.

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PR: https://git.openjdk.java.net/jfx/pull/108