I'm playing with this, and attaching the diff.

The problem is that I want to get things to pulse while the menu is open, but the pulsing code is using -[NSObject performSelector:withObject:afterDelay:], which doesn't work during the runloop that runs while the contextual menu is tracking.

Is this worth getting working or should I just rip out the glow code?

Deleted: pulse.diff 8.3 KB

pulse.diff 8.3 KB Download

So...

Achieving this is pretty simple: https://chromium-review.googlesource.com/c/chromium/src/+/729547

The problem is that all the pulsing is done on a tab-by-tab basis, so while the pulsing starts in sync, it doesn't stay in sync.

For now, I'm ripping out the pulsing code. Perhaps in the future, when it's rewritten in Core Animation, it'll return.

This issue has been Available for over a year. If it's no longer important or seems unlikely to be fixed, please consider closing it out. If it is important, please re-triage the issue.

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Archiving due to inactivity. If we're still interested in pursuing this, feel free to reopen. Thanks!