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-rw-r--r--media/jao-lyrics.el152
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+;; jao-lyrics.el -- simple show lyrics using glyrc
+
+;; Copyright (C) 2009, 2010, 2017, 2019, 2020 Jose Antonio Ortega Ruiz
+
+;; Author: Jose Antonio Ortega Ruiz <jao@gnu.org>
+;; Start date: Sat Jul 04, 2009 13:41
+
+;; This file 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 3 of the License, or
+;; (at your option) any later version.
+
+;; This file 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, see <http://www.gnu.org/licenses/>.
+
+;;; Code:
+
+(defgroup jao-lyrics-faces nil "Faces"
+ :group 'faces)
+
+(defface jao-lyrics-font-lock-album '((t (:foreground "lightgoldenrod2")))
+ "Album name in lyrics."
+ :group 'jao-lyrics-faces)
+
+(defface jao-lyrics-font-lock-title '((t (:foreground "dodgerblue2")))
+ "Track title in lyrics."
+ :group 'jao-lyrics-faces)
+
+(defface jao-lyrics-font-lock-artist '((t (:foreground "dodgerblue3")))
+ "Artist name in lyrics."
+ :group 'jao-lyrics-faces)
+
+(defvar jao-lyrics-cache-dir "~/.lyrics")
+
+(defun jao-lyrics--filename (artist title)
+ (expand-file-name (format "%s - %s.txt" artist title)
+ jao-lyrics-cache-dir))
+
+(defun jao-lyrics--get-cached (artist title)
+ (let ((candidate (jao-lyrics--filename artist title)))
+ (and (file-exists-p candidate)
+ (with-current-buffer (find-file-noselect candidate)
+ (prog1
+ (buffer-string)
+ (kill-buffer))))))
+
+(defun jao-lyrics--cache (artist title lyrics)
+ (with-current-buffer
+ (find-file-noselect (jao-lyrics--filename artist title))
+ (delete-region (point-min) (point-max))
+ (insert lyrics)
+ (save-buffer)
+ (kill-buffer)))
+
+(make-variable-buffer-local
+ (defvar jao-lyrics--path nil))
+
+(defvar jao-lyrics-mode-map)
+(setq jao-lyrics-mode-map
+ (let ((map (make-keymap)))
+ (suppress-keymap map)
+ (define-key map [?q] 'bury-buffer)
+ (define-key map [?g] 'jao-show-lyrics)
+ (define-key map [?G] (lambda () (interactive) (jao-show-lyrics t)))
+ (define-key map [?e] 'jao-edit-lyrics)
+ map))
+
+(defun jao-lyrics-mode ()
+ (interactive)
+ (kill-all-local-variables)
+ (use-local-map jao-lyrics-mode-map)
+ (setq major-mode 'jao-lyrics-mode)
+ (setq mode-name "lyrics")
+ (toggle-read-only 1))
+
+(defun jao-lyrics-buffer ()
+ (or (get-buffer "*Lyrics*")
+ (with-current-buffer (get-buffer-create "*Lyrics*")
+ (jao-lyrics-mode)
+ (current-buffer))))
+
+(defun jao-edit-lyrics ()
+ (interactive)
+ (unless jao-lyrics--path
+ (error "No track data available."))
+ (find-file-other-window jao-lyrics--path))
+
+
+
+(defun jao-lyrics--clean-download (fn)
+ (with-current-buffer (find-file-noselect fn)
+ (goto-char (point-min))
+ (when (re-search-forward
+ "^\\(CreditsWritten by:\\|External linksNominate\\)" nil t)
+ (beginning-of-line)
+ (kill-region (point) (point-max)))
+ (replace-string " " "" nil (point-min) (point-max))
+ (replace-string "\\'" "'" nil (point-min) (point-max))
+ (save-buffer)))
+
+(defun jao-lyrics--download (artist title &optional noartist)
+ (message "Retrieving lyrics...")
+ (or (executable-find "glyrc")
+ (error "glyrc not installed"))
+ (let ((fn (jao-lyrics--filename (or noartist artist) title)))
+ (shell-command-to-string (format "glyrc lyrics -n 1-8 -Y -a %s -t %s -w %s"
+ (shell-quote-argument artist)
+ (shell-quote-argument title)
+ (shell-quote-argument fn)))
+ (jao-lyrics--clean-download fn)
+ (prog1 (jao-lyrics--get-cached artist title) (message nil))))
+
+(defvar jao-lyrics-info-function)
+(defvar-local jao-lyrics--info-function nil)
+
+;;;###autoload
+(defun jao-show-lyrics (&optional force info-function)
+ (interactive "P")
+ (let* ((a/t (funcall (or info-function
+ jao-lyrics--info-function
+ jao-lyrics-info-function)))
+ (artist (car a/t))
+ (title (cdr a/t))
+ (artist (if force (read-string "Artist: " artist) artist))
+ (title (if force (read-string "Title: " title) title))
+ (buffer (jao-lyrics-buffer))
+ (cached (and (not force) (jao-lyrics--get-cached artist title)))
+ (cached (and (not (zerop (length cached))) cached))
+ (lyrics (or cached
+ (jao-lyrics--download artist title)
+ (jao-lyrics--download "" title artist)))
+ (inhibit-read-only t))
+ (with-current-buffer buffer
+ (when info-function
+ (setq-local jao-lyrics--info-function info-function))
+ (delete-region (point-min) (point-max))
+ (insert (format "♪ %s - %s\n\n"
+ (propertize artist 'face 'jao-lyrics-font-lock-artist)
+ (propertize title 'face 'jao-lyrics-font-lock-title)))
+ (when lyrics (insert lyrics))
+ (goto-char (point-min))
+ (setq jao-lyrics--path (jao-lyrics--filename artist title)))
+ (pop-to-buffer buffer)))
+
+
+(provide 'jao-lyrics)
+;;; jao-lyrics.el ends here