acpi-support: Lock screen with dbus during resume

[Dennis Jansen]

Hi,

what do you think about using dbus to fix the screensaver locking in recent
versions of GNOME and KDE.
A slightly adapted version of /etc/acpi/resume.d/90-xscreensaver.sh.

#!/bin/sh

# lock the screen via dbus
if pidof dbus-daemon > /dev/null; then
  for x in /tmp/.X11-unix/*; do
  displaynum=`echo $x | sed s#/tmp/.X11-unix/X##`
  getXuser;
  if [ x"$XAUTHORITY" != x"" ]; then
  export DISPLAY=":$displaynum"
  su $user -c "dbus-send --session --dest=org.freedesktop.ScreenSaver \
  --type=method_call --print-reply /ScreenSaver \
  org.freedesktop.ScreenSaver.Lock"
  fi
  done
fi

Of course locking might be replaced with e.g. SimulateUserActivity. If you
would like any changes for integration let me know.

Cheers,

Dennis
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