Re: [g-a-devel] gnome-mag and LoginHelper interface

[Bill Haneman <gnome billhaneman ie>]

Carlos Eduardo Rodrigues Diógenes wrote:
> Hi all!
>
> Hi Bill! Some time ago you told me that removing the LoginHelper
> interface from gnome-mag would broken it. Could you provide me use cases
> where I can see the importance of this interface and how it's act?
>   
Hi Carlos;

The primary use for LoginHelper (which should probably have been called 
AuthenticationHelper instead) is to allow assistive technologies and 
services to continue to operate during screen blanking and various kinds 
of authentication processes. 

For instance, when the screensaver lock is active, the magnifier window 
cannot normally be seen.  The LoginHelper interface allows the 
screensaver dialog to query whether any assistive technologies or 
services need access to desktop services during authentication.  In the 
magnifier+screensaver use case, LoginHelper tells the screensaver that 
access to the Xserver display is required, and that a particular window 
(the magnifier's toplevel window) needs to be raised.

Best regards,

Bill
> Best regards,
> Carlos.
>
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