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+1000 from me - Marco Martin On Ott. 14, 2014, 5:41 a.m., Martin Gräßlin wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://git.reviewboard.kde.org/r/120577/ > ----------------------------------------------------------- > > (Updated Ott. 14, 2014, 5:41 a.m.) > > > Review request for Plasma and Aleix Pol Gonzalez. > > > Repository: plasma-workspace > > > Description > ------- > > Logging out from the locked screen is impossible. Logging out means > interaction with the session due to the session manager. The session > manager asks all applications to quit and applications are allowed to > ask for example saving changes. The session manager stopps the > logout in this case and asks the window manager to focus this window > and the session manager will only continue the logout once the > application resolved the situation. At any time in this process the > user is still able to abort the logout! > > Switching to the application which needs interaction is impossible, > though as the screen is still locked. The result is a seemingly > frozen system as the logout cannot continue and there is no indication > what is going on. > > Of course the lock screen cannot unlock the session for the logout as > that would circumvent the security. If the lock screen would unlock > one would just have to click the button and abort the logout really > fast to have the system unlocked. So this is clearly not an option. > > The result is: we cannot implement this functionality in a working > and secure manner, so it's better to remove it. > > > Diffs > ----- > > lookandfeel/contents/lockscreen/LockScreen.qml > 7d730cf1ebd8241dfe1c00a2bef86ec4a3f0212d > > Diff: https://git.reviewboard.kde.org/r/120577/diff/ > > > Testing > ------- > > run kscreenlocker_greeter --testing and locked the screen - button is gone. > > > Thanks, > > Martin Gräßlin > >
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