chezmoi init

dot_oh-my-zsh/plugins/macos/music

@@ -0,0 +1,170 @@
+#!/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