Add conkys and wallpapers

.conky/music/launcher.sh

@@ -0,0 +1,58 @@
+#!/bin/bash
+fetch_art(){
+    first_cover=""
+    if [ -e ~/.conky/music/meta ]
+    then
+        new_cover=$(cat ~/.conky/music/meta | awk -F \' '{for(i=1;i<=NF;i++) if ($i=="mpris:artUrl") print $(i+2)}')
+        if [ "$new_cover" != "$first_cover" ]
+        then
+            first_cover="$new_cover"
+            wget -O ~/.conky/music/last_album_pic.png $new_cover
+        fi
+    fi
+}
+
+fetch_meta(){
+    old_meta=""
+    if [ "$(playerctl status)" = "Playing" ]
+    then
+        new_meta=$(playerctl metadata)
+        if [ "$new_meta" != "$old_meta" ]
+        then
+            echo $new_meta > ~/.conky/music/meta
+            old_meta=$new_meta
+        fi
+    else
+        new_meta=''
+        if [ -e ~/.conky/music/meta ]
+        then
+            rm ~/.conky/music/meta
+        fi
+    fi
+}
+
+running=false
+
+while :
+do
+    if [ $running = false ]; then
+        spotify_process_id=$(pidof spotify)
+        if [[ ! -z $spotify_process_id ]]; then
+            ~/.conky/music/fetch_meta.sh & meta_PID=$!
+            ~/.conky/music/fetch_art.sh & art_PID=$!
+            running=true
+        fi
+    else
+        spotify_process_id=$(pidof spotify)
+        if [[ -z $spotify_process_id ]]; then
+            if [[ ! -z $meta_PID ]]; then
+                kill $meta_PID
+            fi
+            if [[ ! -z $art_PID ]]; then
+                kill $art_PID
+            fi
+            running=false
+        fi
+    fi
+    sleep 10
+done