wayland screen locker and security in general

Vinícius dos Santos Oliveira vini.ipsmaker at gmail.com
Tue Apr 5 10:48:42 PDT 2011

2011/4/5 Friar <friarzen at gmail.com>

> 2011/4/5 Kristian Høgsberg <krh at bitplanet.net>
>> On Tue, Apr 5, 2011 at 5:59 AM, Michal Suchanek <hramrach at centrum.cz>
>> wrote:
>> > Hello,
>> >
>> > what is the plan for screensave/screenlocker support in wayland?
>> >
>> > The support in X is a fail in several ways.
>> It sure is.  The plan for Wayland is that the lock screen is just part
>> of the compositor.  There are no problems with detecting idle or other
>> applications having grabs this way, and the compositor completely
>> controls what goes on the screen so you don't have other applications
>> raising their window over the screensaver.  There doesn't even have to
>> be a screensaver window, the compositor can just paint a black screen.
>> It is of course possible to define a plugin or an out-of-process (fork
>> a special Wayland client and give it a special surface to render to,
>> similar to your second option below) mechanism for rendering fun
>> screensavers.
>> Kristian
> How will apps like mplayer/vlc/browsers-playing-videos tell the compositor
> that they are "busy" drawing and that the lock should NOT be engaged even
> though there hasn't been any keyboard/mouse activity for long stretches?  As
> compared to "default" apps that just paint "im bored" over and over again,
> where the idle lock should get switched on...

Take a look at

> --friar
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Vinícius dos Santos Oliveira

Linux user #481186

Instituto da Computação at Universidade Federal de Alagoas
Maceió, Alagoas, Brazil

"*Who cares?*" -???
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