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#!/usr/bin/env sh
islocked() {
pgrep -f sxmo_lock.sh > /dev/null
}
syncstate() {
islocked && STATE=locked || STATE=free
}
finish() {
kill $(jobs -p)
syncstate
[ free = "$STATE" ] && [ true = "$WASLOCKED" ] && sxmo_lock.sh &
exit 0
}
trap 'finish' TERM INT
proximity_raw_bus="$(find /sys/ -name 'in_proximity_raw')"
distance() {
cat "$proximity_raw_bus"
}
TARGET=30
mainloop() {
while true; do
distance="$(distance)"
# here we do not syncstate to allow user manual lock
if [ locked = "$STATE" ] && [ "$distance" -lt "$TARGET" ]; then
pkill -f sxmo_lock.sh
STATE=free
elif [ free = "$STATE" ] && [ "$distance" -gt "$TARGET" ]; then
islocked && pkill -f sxmo_lock.sh # we want screen-off on proximity
sxmo_lock.sh --screen-off &
STATE=locked
fi
sleep 0.5
done
}
syncstate
if [ locked = "$STATE" ]; then
WASLOCKED=true
# we dont want to loose the initial lock if the phone is forgotten somewhere
# without proximity as this will prevent going back to crust
sxmo_movement.sh waitmovement
fi
mainloop