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Diffstat (limited to 'emms-playing-time.el')
| -rw-r--r-- | emms-playing-time.el | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/emms-playing-time.el b/emms-playing-time.el new file mode 100644 index 0000000..6dd6eb6 --- /dev/null +++ b/emms-playing-time.el @@ -0,0 +1,137 @@ +;;; emms-playing-time.el --- Display emms playing time on mode line + +;; Copyright (C) 2005 William XWL + +;; Author: William XWL <william.xwl@gmail.com> + +;; This program is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 2, or (at your option) +;; any later version. +;; +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. +;; +;; You should have received a copy of the GNU General Public License +;; along with this program; if not, write to the Free Software +;; Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +;; 02110-1301 USA + +;;; Commentary: + +;; Display playing time on mode line, it looks like: 01:32/04:09. + +;; Put this file into your load-path and the following into your +;; ~/.emacs: +;; (require 'emms-playing-time) + +;;; Code: + +(defvar emms-playing-time-version "0.1 $Revision: 1.7 $" + "EMMS playing time version string.") +;; $Id: emms-playing-time.el,v 1.7 2005/09/08 16:07:20 xwl Exp $ + +(eval-when-compile (require 'cl)) +(require 'emms-info) +(require 'emms-info-mp3info) +(require 'emms-player-simple) +(require 'emms-player-extensions) + +;;; Customizations +(defvar emms-playing-time-display-p t + "Whether to display playing time on mode line or not.") + +(defvar emms-playing-time-display-short-p nil + "Only display elapsed time, don't display total playing time, +e.g., display 02:37 instead of 02:37/05:49.") + +(defvar emms-playing-time-display-format " %s " + "String used for displaying playing time on mode-line.") + +;;; Variables +(defvar emms-playing-time 0 + "How long has EMMS run up to now.") + +(defvar emms-playing-time-string "") + +;;; Functions +(defun emms-playing-time-start () + "Get ready for display playing time." + (when emms-playing-time-display-p + (setq emms-playing-time 0) + (emms-playing-time-mode-line) + (run-at-time t 1 'emms-playing-time-display))) + +(add-hook 'emms-player-started-hook 'emms-playing-time-start) + +(defun emms-playing-time-stop () + "Remove playing time on the mode line." + (when emms-playing-time-display-p + (if (or (not emms-player-paused-p) + emms-player-stopped-p) + (progn + (setq emms-playing-time-string "") + (force-mode-line-update))) + (cancel-function-timers 'emms-playing-time-display))) + +(add-hook 'emms-player-stopped-hook 'emms-playing-time-stop) +(add-hook 'emms-player-finished-hook 'emms-playing-time-stop) + +(defun emms-playing-time-pause () + "Pause playing time." + (when emms-playing-time-display-p + (if emms-player-paused-p + (emms-playing-time-stop) + (run-at-time t 1 'emms-playing-time-display)))) + +(add-hook 'emms-player-paused-hook 'emms-playing-time-pause) + +(defun emms-playing-time-seek (sec) + "Seek forward or backward SEC playing time." + (when emms-playing-time-display-p + (setq emms-playing-time (+ emms-playing-time sec)) + (when (< emms-playing-time 0) ; back to start point + (setq emms-playing-time 0)))) + +(add-hook 'emms-player-seeked-hook 'emms-playing-time-seek) + +(defun emms-playing-time-display () + "Display playing time on the mode line." + (setq emms-playing-time (1+ emms-playing-time)) + (let* ((min (/ emms-playing-time 60)) + (sec (% emms-playing-time 60)) + ;; How to adapt `emms-info-format-info' here? + (struct + (emms-info-get (emms-playlist-current-track))) + (total-min-only + (when struct (emms-info-playing-time-min struct))) + (total-sec-only + (when struct (emms-info-playing-time-sec struct)))) + (setq emms-playing-time-string + (format + emms-playing-time-display-format + (replace-regexp-in-string + " " "0" + (if (or emms-playing-time-display-short-p + ;; unable to get total time info + (not total-min-only) + (not total-sec-only)) + (format "%2d:%2d" min sec) + (format "%2d:%2d/%2s:%2s" + min sec total-min-only total-sec-only))))) + (force-mode-line-update))) + +(defun emms-playing-time-mode-line () + "Add playing time to the mode line." + (unless (member 'emms-playing-time-string + global-mode-string) + (setq global-mode-string + (append global-mode-string + '(emms-playing-time-string))))) + + +(provide 'emms-playing-time) + +;;; emms-playing-time.el ends here |