Lock screen still gives the name of the user behind the screen lock. Mühevoll auf meinem Telefon getippt.
> On 21. Apr 2017, at 11:43, Stephane Sudre <[email protected]> wrote: > > SystemConfiguration.framework? > > You can: > > - retrieve the current uid,gid, user name with SCDynamicStoreCopyConsoleUser > - be notified via a C callback when the console user changes > (SCDynamicStoreCreate, SCDynamicStoreKeyCreateConsoleUser(), > SCDynamicStoreSetNotificationKeys, SCDynamicStoreSetDispatchQueue or a > more classic runloop source) and then then call > SCDynamicStoreCopyConsoleUser. > > Note that when the login window is displayed, the current user name is > "loginwindow". > > I've never checked which uid or user name was returned when the screen > is locked. > > > On Fri, Apr 21, 2017 at 9:57 AM, Uli Kusterer > <[email protected]> wrote: >> Hi, >> >> I have an application (think hardware driver) that runs as a particular >> (GUI) user. Now, if that user is switched out using Fast User Switching or >> the screen lock has engaged, I want to prevent the driver from working (as >> the user sitting in front of the computer with access to the hardware is >> obviously not them). >> >> The only documented API I've found is >> NSWorkspaceSessionDidResignActiveNotification etc., but this doesn't help me >> because it only notifies me when the state changes, it doesn't let me obtain >> an initial state (I suppose I could assume if I'm running as a user, my >> session is active, but would prefer actually knowing). >> >> I've also found that CGSessionCopyCurrentDictionary() contains an >> undocumented key that lets me know whether the screen lock is engaged, but >> that reports the screen as not locked when the user is still logged on, but >> switched out using fast user switching. >> >> Is there any official, supported way to determine whether the user my app is >> running as actually owns the screen and screen lock is not engaged that I >> could use for this purpose? Since I only need to know the current state when >> the user actually triggers my device, a polling API would be fine. >> >> Cheers, >> -- Uli Kusterer >> "The Witnesses of TeachText are everywhere..." >> >> >> >> _______________________________________________ >> >> Cocoa-dev mailing list ([email protected]) >> >> Please do not post admin requests or moderator comments to the list. >> Contact the moderators at cocoa-dev-admins(at)lists.apple.com >> >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/cocoa-dev/dev.iceberg%40gmail.com >> >> This email sent to [email protected] > > > > -- > Packaging Resources - http://s.sudre.free.fr/Packaging.html > _______________________________________________ > > Cocoa-dev mailing list ([email protected]) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/witness.of.teachtext%40gmx.net > > This email sent to [email protected] _______________________________________________ Cocoa-dev mailing list ([email protected]) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to [email protected]
