add current_track, player_state

mislav · Feb 15, 2011 · c907f70 · c907f70
1 parent e5a9273
commit c907f70
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diff --git a/README.md b/README.md
@@ -4,15 +4,27 @@ Prerequisites: [MacRuby](http://www.macruby.org/)
 
 Example usage:
 
-    favorites = ITunesManager.find_or_create_playlist 'Favorites'
+    ITunesManager.app.run
+
+    # start playing at the beginning
+    ITunesManager.music.playOnce(false)
 
-    track = ITunesManager.music.fileTracks.first
+    ITunesManager.player_state  #=> :playing
+
+    ITunesManager.app.playpause
+    ITunesManager.player_state  #=> :paused
 
-    # see iTunes.h under "@interface iTunesTrack" for more properties
+    track = ITunesManager.current_track
+
+    # for more properties, see iTunes.h under "@interface iTunesTrack"
     track.name
     track.artist
     track.album
+
+    # playlist management
+    favorites = ITunesManager.find_or_create_playlist 'Favorites'
 
+    track = ITunesManager.music.fileTracks.first
     favorites << track
 
     favorites.add ITunesManager.music.search('daft punk')

diff --git a/itunes.rb b/itunes.rb
@@ -2,11 +2,89 @@
 framework 'Foundation'
 framework 'ScriptingBridge'
 
-SBApplication.applicationWithBundleIdentifier('com.apple.itunes')
+module ITunesManager
+  def self.app
+    @app ||= SBApplication.applicationWithBundleIdentifier('com.apple.itunes').tap do
+      # $ sdef /Applications/iTunes.app | sdp -fh --basename iTunes
+      # $ gen_bridge_metadata -c '-I.' iTunes.h > iTunes.bridgesupport
+      load_bridge_support_file 'iTunes.bridgesupport'
+    end
+  end
 
-# $ sdef /Applications/iTunes.app | sdp -fh --basename iTunes
+  # trigger loading bridge support file
-# $ gen_bridge_metadata -c '-I.' iTunes.h > iTunes.bridgesupport
+  self.app
-load_bridge_support_file 'iTunes.bridgesupport'
+
+  def self.library
+    @library ||= app.sources['Library']
+  end
+
+  def self.music
+    library.userPlaylists['Music']
+  end
+
+  PlayerStates = {
+    ITunesEPlSStopped => :stopped,
+  	ITunesEPlSPlaying => :playing,
+  	ITunesEPlSPaused => :paused,
+  	ITunesEPlSFastForwarding => :fast_forwarding,
+  	ITunesEPlSRewinding => :rewinding
+  }
+
+  def self.player_state
+    PlayerStates[app.playerState]
+  end
+
+  def self.current_track
+    ensure_found app.currentTrack
+  end
+
+  def self.find_folder(name)
+    ensure_found library.playlists[name]
+  end
+
+  def self.find_or_create_folder(name)
+    folder = find_folder name
+
+    if folder
+      raise %(iTunes item "#{folder.name}" exists but is not a folder) unless folder.folder?
+      folder
+    else
+      folder = ITunesFolderPlaylist.alloc.initWithProperties(name: name)
+      library.playlists.addObject(folder)
+      library.playlists[name]
+    end
+  end
+
+  def self.find_playlist(name)
+    ensure_found library.userPlaylists[name]
+  end
+
+  def self.find_or_create_playlist(name, folder = nil)
+    playlist = find_playlist name
+
+    unless playlist
+      playlist = ITunesUserPlaylist.alloc.initWithProperties(name: name)
+      library.userPlaylists.addObject(playlist)
+      playlist = library.userPlaylists[name]
+    end
+
+    if folder
+      folder = find_or_create_folder(folder) if String === folder
+      playlist.moveTo(folder) unless folder == playlist.parent
+    end
+
+    playlist
+  end
+
+  class << self
+    private
+    def ensure_found(item)
+      # work around the fact that iTunesItem lookups will often
+      # return an object regardless of whether it actually exists
+      item.id == 0 ? nil : item
+    end
+  end
+end
 
 class SBElementArray
   def [](value)
@@ -69,64 +147,3 @@ def inspect
     end
   end
 end
-
-module ITunesManager
-  def self.app
-    SBApplication.applicationWithBundleIdentifier('com.apple.itunes')
-  end
-
-  def self.library
-    @library ||= app.sources['Library']
-  end
-
-  def self.music
-    library.userPlaylists['Music']
-  end
-
-  def self.find_folder(name)
-    ensure_found library.playlists[name]
-  end
-
-  def self.find_or_create_folder(name)
-    folder = find_folder name
-
-    if folder
-      raise %(iTunes item "#{folder.name}" exists but is not a folder) unless folder.folder?
-      folder
-    else
-      folder = ITunesFolderPlaylist.alloc.initWithProperties(name: name)
-      library.playlists.addObject(folder)
-      library.playlists[name]
-    end
-  end
-
-  def self.find_playlist(name)
-    ensure_found library.userPlaylists[name]
-  end
-
-  def self.find_or_create_playlist(name, folder = nil)
-    playlist = find_playlist name
-
-    unless playlist
-      playlist = ITunesUserPlaylist.alloc.initWithProperties(name: name)
-      library.userPlaylists.addObject(playlist)
-      playlist = library.userPlaylists[name]
-    end
-
-    if folder
-      folder = find_or_create_folder(folder) if String === folder
-      playlist.moveTo(folder) unless folder == playlist.parent
-    end
-
-    playlist
-  end
-
-  class << self
-    private
-    def ensure_found(playlist)
-      # work around the fact that playlist lookup will return an object
-      # regardless of whether it actually exists
-      playlist.specialKind == 0 ? nil : playlist
-    end
-  end
-end