Add notification icons to volume and battery

battery

@@ -8,12 +8,22 @@
 #
 # Copyright (C) 2023 Arkaprabha Chakraborty
 
-last_capacity="NONE"
+PROG=dunstify
-last_status="None"
 
+# icon paths
+BATTERY_FULL=/usr/share/icons/Papirus/48x48/status/battery-full.svg
+BATTERY_LOW=/usr/share/icons/Papirus/48x48/status/battery-low.svg
+BATTERY_CAUTION=/usr/share/icons/Papirus/48x48/status/battery-caution.svg
+AC_ADAPTER=/usr/share/icons/Papirus/48x48/status/ac-adapter.svg
+
+# capacity checkpoints
 LOW=20
 CRITICAL=10
 
+# status flags
+last_capacity=NONE
+last_status=None
+
 while true; do
   BATTERY="/sys/class/power_supply/CMB0"
   if [ -d $BATTERY ]; then
@@ -23,22 +33,22 @@ while true; do
     if [ $last_status = "None" ]; then
       last_status=$status
     elif [ $last_status != "Discharging" ] && [ $status = "Discharging" ]; then
-      notify-send "Power Unplugged" --replace-id 667
+      $PROG "Power Unplugged" --replace 667 --icon $AC_ADAPTER --timeout 2000
       last_status=$status
     elif [ $last_status != "Charging" ] && [ $status = "Charging" ]; then
-      notify-send "Power Plugged" --replace-id 667
+      $PROG "Power Plugged" --replace 667 --icon $AC_ADAPTER --timeout 2000
       last_status=$status
     fi
 
     if [ $last_capacity != "FULL" ] && [ $status = "Full" ]; then
-      notify-send "Battery Full" --replace-id 666
+      $PROG "Battery Full" --replace 666 --icon $BATTERY_FULL
       last_capacity="FULL"
     elif [ $last_capacity != "LOW" ] && [ $status = "Discharging" ] &&
       [ $capacity -le $LOW ] && [ $capacity -gt $CRITICAL ]; then
-      notify-send "Battery Low: $capacity%" --replace-id 666
+      $PROG "Battery Low: $capacity%" --replace 666 --icon $BATTERY_LOW
       last_capacity=LOW
     elif [ $status = "Discharging" ] && [ $capacity -le $CRITICAL ]; then
-      notify-send --urgency critical "Battery Critical: $capacity%" --replace-id 666
+      $PROG --urgency critical "Battery Critical: $capacity%" --replace 666 --icon $BATTERY_CAUTION
       last_capacity=CRITICAL
     fi
   fi

volume

@@ -8,17 +8,22 @@
 #
 # Copyright (C) 2023 Arkaprabha Chakraborty
 
-# semicolon separated volume rules for multiple sinks
+# icon paths
-rules="<sink> <volume>;<sink> <volume>;<sink> <volume>"
+VOLUME_MUTED=/usr/share/icons/Papirus/48x48/status/notification-audio-volume-muted.svg
+VOLUME_UNMUTED=/usr/share/icons/Papirus/48x48/status/notification-audio-volume-high.svg
+AUDIO_SPEAKER=/usr/share/icons/Papirus/48x48/devices/audio-speakers.svg
 
-max=80 # default max volume
+# semicolon separated volume rule for multiple sinks
-step=5 # volume change step
+RULE="<sink> <volume>;<sink> <volume>;<sink> <volume>"
+
+MAX=80 # default max volume
+STEP=5 # volume change step
 
 shopt -s lastpipe # run last pipe-element in the shell process
 # set max volume for default sink
-echo -e $rules | tr ';' '\n' | while read rule; do
+echo -e $RULE | tr ';' '\n' | while read rule; do
   if [ $(pactl get-default-sink) = $(echo $rule | awk '{ print $1 }') ]; then
-    max=$(echo $rule | awk '{ print $2 }')
+    MAX=$(echo $rule | awk '{ print $2 }')
   fi
 done
 
@@ -27,37 +32,37 @@ case $1 in # pattern match option
   pamixer -u # unmute if muted
 
   # set max volume if intended increase step exceeds max volume
-  if [ $(pamixer --get-volume) -ge $max ]; then
+  if [ $(pamixer --get-volume) -ge $MAX ]; then
-    pamixer --allow-boost --set-volume $max
+    pamixer --allow-boost --set-volume $MAX
-  elif [ $(pamixer --get-volume) -le $max ] && [ $(pamixer --get-volume) -ge $((max - step)) ]; then
+  elif [ $(pamixer --get-volume) -le $MAX ] && [ $(pamixer --get-volume) -ge $((MAX - STEP)) ]; then
-    pamixer --allow-boost --set-volume $max
+    pamixer --allow-boost --set-volume $MAX
   else
-    pamixer -i $step --allow-boost # increase volume
+    pamixer -i $STEP --allow-boost # increase volume
   fi
   volume=$(pamixer --get-volume) # get current volume
 
   # send notification with current volume
-  dunstify -a "volume" -u low -r "9993" -h int:value:"$volume" -i "volume-$1" "Volume: ${volume}%" -t 2000
+  dunstify -a "volume" -u low -r "9993" -h int:value:"$volume" "Volume: ${volume}%" -t 2000 -i $AUDIO_SPEAKER
   ;;
 -d)
   pamixer -u                     # unmute if muted
-  pamixer -d $step --allow-boost # decrease volume
+  pamixer -d $STEP --allow-boost # decrease volume
 
-  if [ $(pamixer --get-volume) -ge $max ]; then
+  if [ $(pamixer --get-volume) -ge $MAX ]; then
-    pamixer --allow-boost --set-volume $max
+    pamixer --allow-boost --set-volume $MAX
   fi
 
   volume=$(pamixer --get-volume) # get current volume
 
   # send notification with current volume
-  dunstify -a "volume" -u low -r "9993" -h int:value:"$volume" -i "volume-$1" "Volume: ${volume}%" -t 2000
+  dunstify -a "volume" -u low -r "9993" -h int:value:"$volume" "Volume: ${volume}%" -t 2000 -i $AUDIO_SPEAKER
   ;;
 -m)
   pamixer -t                     # toggle mute
   if $(pamixer --get-mute); then # send notification with mute status
-    dunstify -i volume-mute -a "volume" -t 2000 -r 9993 -u low "Muted"
+    dunstify -a "volume" -t 2000 -r 9993 -u low "Muted" -i $VOLUME_MUTED
   else
-    dunstify -i volume-mute -a "volume" -t 2000 -r 9993 -u low "Unmuted"
+    dunstify -a "volume" -t 2000 -r 9993 -u low "Unmuted" -i $VOLUME_UNMUTED
   fi
   ;;
 esac