Update tracks with a specific function, and provide emms-track-updated-functions

darcs-hash:20050926012813-2189f-88b12a9350389bba0f12b3d3525b8eb14f066a37.gz

1 files changed, 11 insertions, 0 deletions

diff --git a/emms.el b/emms.el
index d720d36..76fc62e 100644
--- a/emms.el
+++ b/emms.el
@@ -171,6 +171,12 @@ This can be used to initialize tracks with various info."
   :group 'emms
   :type 'hook)
 
+(defcustom emms-track-updated-functions nil
+  "*List of functions to call when a track changes data.
+These functions are passed the track as an argument."
+  :group 'emms
+  :type 'hook)
+
 (defcustom emms-player-started-hook nil
   "*Hook run when an EMMS player starts playing."
   :group 'emms
@@ -394,6 +400,11 @@ If there is no value, return DEFAULT (or nil, if not given)."
 This function uses `emms-track-description-function'."
   (funcall emms-track-description-function track))
 
+(defun emms-track-updated (track)
+  "Information in TRACK got updated."
+  (emms-playlist-track-updated track)
+  (run-hook-with-args 'emms-track-updated-functions track))
+
 (defun emms-track-simple-description (track)
   "Simple function to give a user-readable description of a track.
 If it's a file track, just return the file name.