Slideshow

#!/bin/sh

# https://stackoverflow.com/questions/36379612/starting-a-custom-screensaver-on-boot-behaves-differently-than-manually-starting
# Requires:
#  - feh
#  - xprintidle
#  - xbindkeys
#  - cron

# sudo apt-get install feh
# sudo apt-get install xprintidle
# sudo apt-get install xbindkeys
# sudo apt-get install cron
# crontab -e:
#   @reboot ./home/volumio/screensaver/start.sh
# sudo mkdir screensaver
# cd screensaver
# sudo nano start.sh
# copy/paste -> ctrl+x -> y
# sudo chmod +x start.sh
# reboot

#Time in milliseconds
IDLE_TIME=$((30*1000))
#Path to photos
PHOTO_FOLDER=/mnt/NAS/Cloud-Fotos

# Sequence to execute when timeout triggers.
trigger_cmd() {
DISPLAY=:0 feh -ZXYrzFD 10 $PHOTO_FOLDER --zoom fill &
    echo '"pkill -n feh; pkill -n xbindkeys"'>/home/volumio/screensaver/xbindkeys.temp
    echo "b:1">>/home/volumio/screensaver/xbindkeys.temp #touch?
    DISPLAY=:0 xbindkeys -n -f /home/volumio/screensaver/xbindkeys.temp
    sudo rm /home/volumio/screensaver/xbindkeys.temp
}

# Wait for OS start
sleep_time=60000
while sleep $((sleep_time/1000)); do
    idle=$(DISPLAY=:0 xprintidle)
    if [ $idle -gt $IDLE_TIME ]; then
        trigger_cmd
        sleep_time=$IDLE_TIME
    else
        sleep_time=$((IDLE_TIME-idle))
    fi
done