(In reply to electrovalent from comment #88)
> Hi, i can see this is marked as fixed but i can confirm that on latest
> xubuntu and latest debian testing, firefox 35.01 is not able to disable
> screensaver or screen power management.
Ditto. I just reinstalled Ubuntu Studio 14.04 and installed Unity, and in Firefox 35.0.1 it's not disabling the screensaver during playback.
(In reply to electrovalent from comment #88)
> Hi, i can see this is marked as fixed but i can confirm that on latest
> xubuntu and latest debian testing, firefox 35.01 is not able to disable
> screensaver or screen power management.
Ditto. I just reinstalled Ubuntu Studio 14.04 and installed Unity, and in Firefox 35.0.1 it's not disabling the screensaver during playback.