https://bugs.kde.org/show_bug.cgi?id=383575
Bug ID: 383575
Summary: org.freedesktop.ScreenSaver.Inhibit is unusable from
dbus-send
Product: kscreenlocker
Version: unspecified
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: plasma-b...@kde.org
Reporter: alex_y...@yahoo.ca
CC: bhus...@gmail.com, mgraess...@kde.org
Target Milestone: ---
kscreenlocker automatically uninhibits powerdevil if the inhibitor service
unregisters itself. this is the case when using qdbus and dbus-send, causing
xdg-screensaver suspend to not work correctly, which causes git mpv to not
inhibit the screensaver. at least two previous bug reports have been opened on
this issue, since (IMO) it is highly unexpected and user-unfriendly behavior. I
think that kscreenlocker should be changed to not uninhibit when the caller is
unregistered. I see the argument for avoiding hanging inhibitions, but bad
applications can already call the powerdevil methods and forget to uninhibit.
If hanging inhibitions is a serious issue, then a button can be added to the
powerdevil widget to manually clear inhibitions. alternatively, the powerdevil
methods should be changed to also check for caller unregistration (since
presumably that would also be an issue), and some other way should be found for
xdg-screensaver to operate (since currently, as mentioned before,
xdg-screensaver suspend does nothing on KDE right now). as a potential use
case, mpv would like to use xdg-screensaver or some shell-based method for
inhibiting in order to avoid dbus dependencies in core code.
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