(In reply to alexhultman from comment #4)
> Adobe Flash player had a similar bug for years that made it exit fullscreen
> when changing volume because of the appearing notification. If I watch HTML5
> video in fullscreen in Firefox 10b3 and change volume, it too exits
> fullscreen.
In this case, though, Firefox exits because of the focus change, not the notification window. That focus change happens independently of the notification window.
(In reply to alexhultman from comment #4)
> Adobe Flash player had a similar bug for years that made it exit fullscreen
> when changing volume because of the appearing notification. If I watch HTML5
> video in fullscreen in Firefox 10b3 and change volume, it too exits
> fullscreen.
In this case, though, Firefox exits because of the focus change, not the notification window. That focus change happens independently of the notification window.