RFR: 8176813: Mac: Failure to exit full-screen programmatically in some cases [v4]

[Andy Goryachev]

On Wed, 30 Apr 2025 23:34:06 GMT, Martin Fox <mfox at openjdk.org> wrote:

>> On macOS the system animates the transition into and out of fullscreen and this animation runs asynchronously. JavaFX tries to make the setFullScreen call appear synchronous by running a nested event loop while the transition is going on. But this means that runLater runnables can fire during a call to setFullScreen.
>> 
>> This can also occur during a call to Window.hide() if the window is in fullscreen mode. During the setView call glass tries to take the window out of fullscreen mode which fires up a nested event loop and, again, runLater runnables (like pulses) start firing.
>> 
>> In this PR GlassRunnables that try to run during the fullscreen transition are instead placed in a deferral list. When the fullscreen event loop exits they are re-scheduled.
>
> Martin Fox has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Disabling testDemaximizedPosition (again). Seems to be failing on some test machines.

Marked as reviewed by angorya (Reviewer).

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PR Review: https://git.openjdk.org/jfx/pull/1797#pullrequestreview-2809927486