No screen shield in login screen in F20

[drago01]

On Mon, Jan 13, 2014 at 9:22 PM, Adam Williamson <awilliam at redhat.com> wrote:
> On Mon, 2014-01-13 at 12:16 -0800, Adam Williamson wrote:
>> On Mon, 2014-01-13 at 01:52 -0500, Bastien Nocera wrote:
>> >
>> > ----- Original Message -----
>> > > The shield is something I have always considered to be pointless and
>> > > confusing to new users. I teach Linux at a local college and when we use
>> > > Fedora, I always have to explain the shield. For some reasons the shield is
>> > > confusing to them.
>> >
>> > You're not explaining it well then, because a lot of your students will
>> > already have seen similar screens on their mobile phones or tablets.
>>
>> ...where they have an actual point, which is to prevent accidental
>> interaction with a 'live' interface 'behind' them.
>>
>> If the 'live' interface behind the shield is a password entry dialog
>> which it's very unlikely you'll be able to do anything damaging to
>> accidentally, and the OS is running on a device where accidental
>> interaction with a UI is unlikely, it is unclear what benefit the shield
>> is providing to anyone.
>
> Further note that on Android this behaviour is configurable, and I've
> noticed that it's fairly common for people to configure it the way I do:
> if you enable some form of actual device locking (a PIN, pattern lock,
> whatever), you disable the 'shield' lock screen so you don't have to
> double-unlock. I have my phone encrypted and set to always lock on idle
> or power button press, so I have the 'drag across to unlock' shield-y
> screen disabled as it serves no purpose for me, and just have the actual
> unlock screen (PIN lock) do dual duty.
>
> What GNOME currently has looks a lot like mandatory double-unlocking, to
> no obvious purpose: yes, you can clear the shield by hitting any
> 'active' key, but most people do not appear to have got this message,
> seeing as how these threads keep happening and we keep having to tell
> people this fact directly (which is a method of information transmission
> that doesn't really scale terribly well).

https://bugzilla.gnome.org/show_bug.cgi?id=722113