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Re: Sharing dynamic informations between the user session and the greeter

 

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On 03/10/2014 07:51 AM, Matthew Paul Thomas wrote:
> Michael Terry wrote on 07/03/14 14:39:
> 
>> On Fri, Mar 7, 2014 at 5:39 AM, Matthew Paul Thomas <mpt@xxxxxxxxxxxxx <mailto:mpt@xxxxxxxxxxxxx>> wrote:
>>> 
>>> But they behave very differently: music should keep playing at the lock screen but not the greeter, the camera
>>> and mic should keep recording at the lock screen but not the greeter, Touch apps may allow limited access at
>>> the lock screen but not the greeter, your preferred keyboard layout should persist at the lock screen but not
>>> the greeter, screen magnification should persist at the lock screen but not the greeter, and so on.
> 
>> Well, keyboard layouts should work correctly per-user on the greeter too.
> 
> Sorry, I was using "greeter" too loosely as a synonym for "login screen", i.e. the screen that lets you choose
> between multiple accounts.
> 
> Ubuntu on a phone currently does not use a login screen, because there are never multiple user accounts to choose
> from. Instead, when starting the phone, you go directly to the lock screen (a.k.a. "welcome screen") for the only
> account.
> 
> On multi-user devices, the login screen and lock screen might end up being implemented by the same code, but
> whether they should be is part of the question in the first place.

It has been our experience when trying to converge the display manager/session manager authentication screen
("greeter") with the screen lock authentication screen ("lockscreen") that they are entirely different beasts with
quite different requirements.  Oh, yes, both authenticate identically, but really that's where it ends.  I would
really strongly suggest that the two should be designed to have a different appearance so that they can be easily
distinguished at a glance (different things should look different) and provide the different functionality.

This may not really be relevant to the phone form factor, but keep in mind unified experience across all form factors
is the ultimate goal.

- -- 
Stephen M. Webb  <stephen.webb@xxxxxxxxxxxxx>
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