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;;; jao-mpc-random-album.el --- random mpc albums -*- lexical-binding: t; -*-
;; Copyright (C) 2021 jao
;; Author: jao <mail@jao.io>
;; Keywords: convenience
;; 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 3 of the License, 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, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; Simple mpd control using mpc commands.
;;; Code:
(require 'elmpd)
(require 'jao-minibuffer)
(require 'jao-lyrics)
(defvar jao-mpc--connection nil)
(defvar jao-mpc-host "localhost")
(defvar jao-mpc-port 6600)
(defun jao-mpc-disconnect ()
(interactive)
(when jao-mpc--connection
(delete-process (elmpd-connection--fd jao-mpc--connection))
(setq jao-mpc--connection nil)))
(defun jao-mpc-connect (&optional force)
(interactive)
(when force (jao-mpc-disconnect))
(unless jao-mpc--connection
(setq jao-mpc--connection
(elmpd-connect :name "jao-mpc"
:host jao-mpc-host
:port jao-mpc-port
:subsystems '((player) . jao-mpc--watcher)))
(jao-mpc--watcher jao-mpc--connection 'player))
jao-mpc--connection)
(defun jao-mpc--send (cmd cb)
(elmpd-send jao-mpc--connection cmd cb ))
(defvar jao-mpc--play-status '())
(defvar jao-mpc--current '())
(defvar jao-mpc-minibuffer-str "")
(defun jao-mpc--update-status (next)
(let ((cb (lambda (_c ok txt)
(when ok
(setq jao-mpc--play-status '())
(dolist (e (split-string txt "\n" t " "))
(let ((e (split-string e ": " t " ")))
(when (and (car e) (cadr e))
(push (cons (car e) (cadr e)) jao-mpc--play-status))))
(when next (funcall next))))))
(jao-mpc--send "status" cb)))
(defun jao-mpc--current-get (x &optional def)
(alist-get x jao-mpc--current def nil #'string=))
(defun jao-mpc--status-get (x &optional def)
(alist-get x jao-mpc--play-status def nil #'string=))
(defun jao-mpc--playing-p ()
(string= (jao-mpc--status-get "state" "") "play"))
(defun jao-mpc--current-str ()
(let ((title (jao-mpc--current-get "Title"))
(album (jao-mpc--current-get "Album"))
(no (string-to-number (jao-mpc--current-get "Track" "0")))
(len (string-to-number (jao-mpc--status-get "playlistlength" "1")))
(artist (jao-mpc--current-get "Artist"))
(composer (jao-mpc--current-get "Composer")))
(format " %s%s %s%s%s"
(jao--put-face (if (zerop no) "" (format "%02d/%s " no len))
'jao-themes-f02)
(jao--put-face title 'jao-themes-f00)
(jao--put-face artist 'jao-themes-f01)
(jao--put-face (if composer (format " [%s]" composer) "")
'jao-themes-f01)
(jao--put-face (if album (format " (%s)" album) "") 'jao-themes-f11))))
(defun jao-mpc--update-minibuffer ()
(setq jao-mpc-minibuffer-str
(if (jao-mpc--playing-p) (jao-mpc--current-str) ""))
(jao-minibuffer-refresh))
(defun jao-mpc--update-current ()
(let ((cb (lambda (_c ok txt)
(when ok
(setq jao-mpc--current '())
(dolist (e (split-string txt "\n" t " "))
(let ((e (split-string e ": " t " ")))
(when (and (car e) (cadr e))
(push (cons (car e) (cadr e)) jao-mpc--current))))
(jao-mpc--update-minibuffer)))))
(jao-mpc--send "currentsong" cb)))
(defun jao-mpc--watcher (_conn _subsys)
(jao-mpc--update-status #'jao-mpc--update-current))
(defconst jao-mpc--albums "*MPC Albums*")
(defconst jao-mpc--playlist "*MPC Playlist*")
(define-derived-mode jao-mpc-albums-mode fundamental-mode "MPC Albums"
"Mode to display the list of albums known by mpd."
(read-only-mode -1)
(delete-region (point-min) (point-max))
(insert (shell-command-to-string "mpc list album"))
(goto-char (point-min))
(read-only-mode 1))
(define-key jao-mpc-albums-mode-map (kbd "n") #'next-line)
(define-key jao-mpc-albums-mode-map (kbd "p") #'previous-line)
(define-key jao-mpc-albums-mode-map (kbd "RET") #'jao-mpc-add-and-play)
(define-key jao-mpc-albums-mode-map (kbd "q") #'bury-buffer)
(defun jao-mpc--album-buffer ()
(if-let (b (get-buffer jao-mpc--albums))
b
(with-current-buffer (get-buffer-create jao-mpc--albums)
(jao-mpc-albums-mode)
(current-buffer))))
(defun jao-mpc--add-and-play (&optional album)
(interactive)
(let* ((album (or album (string-trim (thing-at-point 'line))))
(cmd (format "mpc findadd album \"%s\" && mpc play" album)))
(shell-command-to-string "mpc clear")
(shell-command-to-string cmd)))
(define-derived-mode jao-mpc-playlist-mode fundamental-mode "MPC Playlist"
"Mode to display the list of playlist known by mpd."
(read-only-mode -1)
(delete-region (point-min) (point-max))
(insert (shell-command-to-string "mpc playlist"))
(goto-char (point-min))
(read-only-mode 1))
(define-key jao-mpc-playlist-mode-map (kbd "n") #'next-line)
(define-key jao-mpc-playlist-mode-map (kbd "p") #'previous-line)
(define-key jao-mpc-playlist-mode-map (kbd "q") #'bury-buffer)
(defun jao-mpc--playlist-buffer ()
(if-let (b (get-buffer jao-mpc--playlist))
b
(with-current-buffer (get-buffer-create jao-mpc--playlist)
(jao-mpc-playlist-mode)
(current-buffer))))
;;;###autoload
(defun jao-mpc-stop ()
(interactive)
(shell-command-to-string "mpc stop"))
;;;###autoload
(defun jao-mpc-toggle ()
(interactive)
(jao-mpc--send "pause" nil))
;;;###autoload
(defun jao-mpc-play ()
(interactive)
(jao-mpc--send "play" nil))
;;;###autoload
(defun jao-mpc-next ()
(interactive)
(jao-mpc--send "next" nil))
;;;###autoload
(defun jao-mpc-previous ()
(interactive)
(jao-mpc--send "previous" nil))
;;;###autoload
(defun jao-mpc-echo-current ()
(interactive)
(jao-notify (jao-mpc--current-str)))
;;;###autoload
(defun jao-mpc-show-albums ()
"Show album list."
(interactive)
(pop-to-buffer (jao-mpc--album-buffer)))
;;;###autoload
(defun jao-mpc-show-playlist ()
"Show current playlist."
(interactive)
(pop-to-buffer (jao-mpc--playlist-buffer)))
;;;###autoload
(defun jao-mpc-lyrics-track-data ()
(when-let* ((title (jao-mpc--current-get "Title"))
(artist (jao-mpc--current-get "Artist")))
(cons (substring-no-properties title) (substring-no-properties artist))))
;;;###autoload
(defun jao-mpc-setup ()
(setq jao-lyrics-info-function #'jao-mpc-lyrics-track-data)
(jao-random-album-setup #'jao-mpc--album-buffer
#'jao-mpc--add-and-play
#'jao-mpc-stop)
(jao-mpc-connect)
(jao-minibuffer-add-msg-variable 'jao-mpc-minibuffer-str 1))
(provide 'jao-mpc)
;;; jao-mpc.el ends here
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