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#!/usr/bin/env zsh
function music itunes() {
local APP_NAME=Music sw_vers=$(sw_vers -productVersion 2>/dev/null)
autoload is-at-least
if [[ -z "$sw_vers" ]] || is-at-least 10.15 $sw_vers; then
if [[ $0 = itunes ]]; then
echo >&2 The itunes function name is deprecated. Use \'music\' instead.
return 1
fi
else
APP_NAME=iTunes
fi
local opt=$1 playlist=$2
(( $# > 0 )) && shift
case "$opt" in
launch|play|pause|stop|rewind|resume|quit)
;;
mute)
opt="set mute to true"
;;
unmute)
opt="set mute to false"
;;
next|previous)
opt="$opt track"
;;
vol)
local new_volume volume=$(osascript -e "tell application \"$APP_NAME\" to get sound volume")
if [[ $# -eq 0 ]]; then
echo "Current volume is ${volume}."
return 0
fi
case $1 in
up) new_volume=$((volume + 10 < 100 ? volume + 10 : 100)) ;;
down) new_volume=$((volume - 10 > 0 ? volume - 10 : 0)) ;;
<0-100>) new_volume=$1 ;;
*) echo "'$1' is not valid. Expected <0-100>, up or down."
return 1 ;;
esac
opt="set sound volume to ${new_volume}"
;;
playlist)
# Inspired by: https://gist.github.com/nakajijapan/ac8b45371064ae98ea7f
if [[ -n "$playlist" ]]; then
osascript 2>/dev/null <<EOF
tell application "$APP_NAME"
set new_playlist to "$playlist" as string
play playlist new_playlist
end tell
EOF
if [[ $? -eq 0 ]]; then
opt="play"
else
opt="stop"
fi
else
opt="set allPlaylists to (get name of every playlist)"
fi
;;
playing|status)
local currenttrack currentartist state=$(osascript -e "tell application \"$APP_NAME\" to player state as string")
if [[ "$state" = "playing" ]]; then
currenttrack=$(osascript -e "tell application \"$APP_NAME\" to name of current track as string")
currentartist=$(osascript -e "tell application \"$APP_NAME\" to artist of current track as string")
echo -E "Listening to ${fg[yellow]}${currenttrack}${reset_color} by ${fg[yellow]}${currentartist}${reset_color}"
else
echo "$APP_NAME is $state"
fi
return 0
;;
shuf|shuff|shuffle)
# The shuffle property of current playlist can't be changed in iTunes 12,
# so this workaround uses AppleScript to simulate user input instead.
# Defaults to toggling when no options are given.
# The toggle option depends on the shuffle button being visible in the Now playing area.
# On and off use the menu bar items.
local state=$1
if [[ -n "$state" && "$state" != (on|off|toggle) ]]; then
print "Usage: $0 shuffle [on|off|toggle]. Invalid option."
return 1
fi
case "$state" in
on|off)
# Inspired by: https://stackoverflow.com/a/14675583
osascript >/dev/null 2>&1 <<EOF
tell application "System Events" to perform action "AXPress" of (menu item "${state}" of menu "Shuffle" of menu item "Shuffle" of menu "Controls" of menu bar item "Controls" of menu bar 1 of application process "iTunes" )
EOF
return 0
;;
toggle|*)
osascript >/dev/null 2>&1 <<EOF
tell application "System Events" to perform action "AXPress" of (button 2 of process "iTunes"'s window "iTunes"'s scroll area 1)
EOF
return 0
;;
esac
;;
""|-h|--help)
echo "Usage: $0 <option>"
echo "option:"
echo "\t-h|--help\tShow this message and exit"
echo "\tlaunch|play|pause|stop|rewind|resume|quit"
echo "\tmute|unmute\tMute or unmute $APP_NAME"
echo "\tnext|previous\tPlay next or previous track"
echo "\tshuf|shuffle [on|off|toggle]\tSet shuffled playback. Default: toggle. Note: toggle doesn't support the MiniPlayer."
echo "\tvol [0-100|up|down]\tGet or set the volume. 0 to 100 sets the volume. 'up' / 'down' increases / decreases by 10 points. No argument displays current volume."
echo "\tplaying|status\tShow what song is currently playing in Music."
echo "\tplaylist [playlist name]\t Play specific playlist"
return 0
;;
*)
print "Unknown option: $opt"
return 1
;;
esac
osascript -e "tell application \"$APP_NAME\" to $opt"
}
function _music() {
local app_name
case "$words[1]" in
itunes) app_name="iTunes" ;;
music|*) app_name="Music" ;;
esac
local -a cmds subcmds
cmds=(
"launch:Launch the ${app_name} app"
"play:Play ${app_name}"
"pause:Pause ${app_name}"
"stop:Stop ${app_name}"
"rewind:Rewind ${app_name}"
"resume:Resume ${app_name}"
"quit:Quit ${app_name}"
"mute:Mute the ${app_name} app"
"unmute:Unmute the ${app_name} app"
"next:Skip to the next song"
"previous:Skip to the previous song"
"vol:Change the volume"
"playlist:Play a specific playlist"
{playing,status}":Show what song is currently playing"
{shuf,shuff,shuffle}":Set shuffle mode"
{-h,--help}":Show usage"
)
if (( CURRENT == 2 )); then
_describe 'command' cmds
elif (( CURRENT == 3 )); then
case "$words[2]" in
vol) subcmds=( 'up:Raise the volume' 'down:Lower the volume' )
_describe 'command' subcmds ;;
shuf|shuff|shuffle) subcmds=('on:Switch on shuffle mode' 'off:Switch off shuffle mode' 'toggle:Toggle shuffle mode (default)')
_describe 'command' subcmds ;;
esac
elif (( CURRENT == 4 )); then
case "$words[2]" in
playlist) subcmds=('play:Play the playlist (default)' 'stop:Stop the playlist')
_describe 'command' subcmds ;;
esac
fi
return 0
}
compdef _music music itunes
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