guix-dotfiles/home-config/hypr/wallpaper-daemon.sh

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2023-11-08 01:42:30 +00:00
#!/usr/bin/env bash
# Script initialization
rm /tmp/$USER-desktop-anim
# Check if animated wallpapers exist, set env var if so
# Sleep for swww init to finish
sleep 3
script_init() {
if [ `find ~/.config/hypr/Wallpapers/animated/ -name '*.gif' | wc -l` -gt 0 ]; then
echo "true" > /tmp/$USER-desktop-anim
ANIM_READY=true
else
# Download or bail here?
echo "no animations found, static only!"
fi
}
# check if on ac or battery
check_if_ac() {
ON_AC=`cat /sys/class/power_supply/AC/online`
if [ $ON_AC -eq 1 ] && [ "$ANIM_READY" = true ]; then
echo "Anim"
init_anim
else
echo "Static"
init_static
fi
}
init_static() {
# On battery or missing wallpapers, just load a random image
IMG=`find ~/.config/hypr/Wallpapers/static/ -type f | sort -R | tail -n1`
echo $IMG >> /tmp/$USER-desktop-anim
swww img $IMG
# This is hacky but sometimes we get into a race condition where the
# animated background will load anyways, so this will ensure we stay static
# until we definitely control swww and its state is known
sleep 60
swww img $IMG
}
init_anim() {
# Preload a static image until the animated one is ready
swww img --transition-step 255 `find ~/.config/hypr/Wallpapers/static/ -type f | sort -R | tail -n1`
sleep 2
IMG=`find ~/.config/hypr/Wallpapers/animated/ -name '*.gif' | sort -R | tail -n1`
echo $IMG >> /tmp/$USER-desktop-anim
swww img $IMG
}
begin_randomizer() {
while :; do
echo "Invoke selector"
sleep 3600
if [ `cat /sys/class/power_supply/AC/online` -eq 1 ] && [ `cat /tmp/$USER-desktop-anim | head -n1` == "true" ]; then
switch_check `find ~/.config/hypr/Wallpapers/animated/ -name '*.gif' | sort -R | tail -n1`
else
switch_check `find ~/.config/hypr/Wallpapers/static/ -type f | sort -R | tail -n1`
fi
done
}
switch_check() {
# Simply query what image is displayed and make sure we do not overwrite
# it. This is more for animated wallpapers since it causes corruption
CURRENT_FILE=`swww query | awk -F'/' '{print $NF}'`
SELECTION=`echo $1 | awk -F'/' '{print $NF}'`
if ! [ "$CURRENT_FILE" == "$SELECTION" ]; then
# Update the file
sed -i '2c'"$1" /tmp/$USER-desktop-anim
# Set the background!
swww img $1
fi
}
script_init
check_if_ac
begin_randomizer &
dbus-monitor --system "interface='org.freedesktop.DBus.Properties',member='PropertiesChanged',sender=':1.2',path='/org/freedesktop/UPower/devices/line_power_AC'" 2>/dev/null | stdbuf -o0 awk -F' ' '/variant boolean/ {print $(NF)}' |
while read -r line; do
if [ "$line" == "true" ]; then
echo "switching to ac"
switch_check `find ~/.config/hypr/Wallpapers/animated/ -name '*.gif' | sort -R | tail -n1`
elif [ "$line" == "false" ]; then
echo "switching to bat"
switch_check `find ~/.config/hypr/Wallpapers/static/ -type f | sort -R | tail -n1`
fi
done