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73416ba
(Get the code!)
By "no way of discerning" you mean it's a matter of taste, right? For example, you would choose to pause video for the high-volume warning dialog, whereas I would not. And even if that was a good reason to pause video, it would be much less of a good reason to pause music, which might have caused the same dialog to appear.
Earlier this year, for reasons too comical to explain here, I had to collect examples of dialogs that don't belong to a particular app. (Some of these are currently jury-rigged as snap decisions, others not implemented in Ubuntu Touch at all yet.) It's not necessarily a good idea to let dialogs choose whether to pause video behind them or not. But *if* they could do that, this is what I'd choose for the examples I collected:
- high volume warning -- don't pause
- Wi-Fi authentication -- pause
- "Connect to Hidden Network" -- pause
- "Wi-Fi Available" -- pause
- proxy re-authentication -- pause
- choosing what to do with inserted media -- don't pause
- critically low battery -- pause
- disk space/health warning -- pause
- error reporting -- don't pause
- incoming call -- pause
So if it's better overall to have a single behavior for every dialog, I guess that behavior should be pausing. But the larger the screen size, the less sense that will make. And regardless of those answers for video, my answer would be "don't pause" for all of them with audio.
All that aside, if you say the dialog should pause video, well, it's already doing that, so the problem remains unsolved. We need to make sure the dialog stays visible *despite* the video pausing. Given that there will always be more than one audio role, role switching will always be a possibility, so we seem to have two options. The first is to switch the role as usual, but persist the alert referring to a role that the volume buttons are no longer controlling; but that would be incoherent. The other is to delay any role change for as long as the dialog is up. Specification updated. <https:/