eaf-music-player.el

;;; eaf-music-player.el --- Music player

;; Filename: eaf-music-player.el
;; Description: Music player
;; Author: Andy Stewart <lazycat.manatee@gmail.com>
;; Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
;; Copyright (C) 2021, Andy Stewart, all rights reserved.
;; Created: 2021-07-31 17:23:55
;; Version: 0.1
;; Last-Updated: 2021-07-31 17:23:55
;;           By: Andy Stewart
;; URL: http://www.emacswiki.org/emacs/download/eaf-music-player.el
;; Keywords:
;; Compatibility: GNU Emacs 28.0.50
;;
;; Features that might be required by this library:
;;
;;
;;

;;; This file is NOT part of GNU Emacs

;;; License
;;
;; 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, 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; see the file COPYING.  If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
;; Floor, Boston, MA 02110-1301, USA.

;;; Commentary:
;;
;; Music player
;;

;;; Installation:
;;
;; Put eaf-music-player.el to your load-path.
;; The load-path is usually ~/elisp/.
;; It's set in your ~/.emacs like this:
;; (add-to-list 'load-path (expand-file-name "~/elisp"))
;;
;; And the following to your ~/.emacs startup file.
;;
;; (require 'eaf-music-player)
;;
;; No need more.

;;; Customize:
;;
;;
;;
;; All of the above can customize by:
;;      M-x customize-group RET eaf-music-player RET
;;

;;; Change log:
;;
;; 2021/07/31
;;      * First released.
;;

;;; Acknowledgements:
;;
;;
;;

;;; TODO
;;
;;
;;

;;; Require


;;; Code:

(defcustom eaf-music-play-order "list"
  ""
  :type 'string)

(defcustom eaf-music-player-keybinding
  '(("<f12>" . "open_devtools")
    ("j" . "js_play_next")
    ("k" . "js_play_prev")
    ("h" . "js_play_random")
    ("," . "js_backward")
    ("." . "js_forward")
    ("SPC" . "js_toggle_play_status")
    ("C-n" . "js_scroll_up")
    ("C-p" . "js_scroll_down")
    ("C-v" . "js_scroll_up_page")
    ("M-v" . "js_scroll_down_page")
    ("M-<" . "js_scroll_to_begin")
    ("M->" . "js_scroll_to_bottom")
    ("g" . "js_jump_to_file")
    ("t" . "js_toggle_play_order")
    ("C-e" . "js_sort_by_title")
    ("C-t" . "js_sort_by_artist")
    ("C-m" . "js_sort_by_album")
    ("C-l" . "js_change_panel")
    ("C-u" . "js_toggle_play_source")
    ("C-s" . "search_text_forward")
    ("C-r" . "search_text_backward")
    ("F" . "open_link")
    ("e" . "edit_tag_info")
    ("s" . "show_tag_info")
    ("T" . "convert_tag_coding")
    ("r" . "refresh_cloud_tracks")
    ("p" . "js_playlist_prev")
    ("n" . "js_playlist_next")
    ("C-S-n" . "js_scroll_playlist_up")
    ("C-S-p" . "js_scroll_playlist_down")
    )
  "The keybinding of EAF Music Player."
  :type 'cons)

(defcustom eaf-music-player-buffer "EAF Music Player"
  "The buffer name of music player."
  :type 'string)

(defcustom eaf-music-extension-list
  '("mp3")
  "The extension list of music application."
  :type 'cons)

(defcustom eaf-music-default-file nil
  "The default music file or directory."
  :type 'file)

(defcustom eaf-music-cache-dir ""
  "The directory to cache netease music file, default save to music-player/src/cloud_cache/music."
  :type 'string)

;;;###autoload
(defun eaf-open-music-player (&optional music-file)
  "Open EAF music player."
  (interactive)
  (eaf-open
   (read-file-name "Open music: " (or music-file
                                      eaf-music-default-file)
                   eaf-music-default-file)
   "music-player"
   ))

(defun eaf-open-cloud-music ()
  (interactive)
  (eaf-open "cloud" "music-player"))

(cl-defmacro with-eaf-music-player (&rest body)
  "Eval code in EAF music player buffer."
  (declare (indent 0))
  `(cl-dolist (buffer (buffer-list))
     (with-current-buffer buffer
       (when (string-equal eaf--buffer-app-name "music-player")
         ,@body
         (cl-return)))))

(defun eaf-music-player-play-next ()
  "Play next song at everywhere."
  (interactive)
  (with-eaf-music-player
    (eaf-call-async "eval_js_function" eaf--buffer-id "play_random" "")))

(defun eaf-music-player-play-toggle ()
  "Toggle play song at everywhere."
  (interactive)
  (with-eaf-music-player
    (eaf-call-async "eval_js_function" eaf--buffer-id "toggle_play_status" "")))

(defun eaf-music-player-pop ()
  (interactive)
  (if (get-buffer eaf-music-player-buffer)
      (switch-to-buffer eaf-music-player-buffer)
    (message "EAF music player not start.")))

(defun eaf-music-player-edit-tag-info (buffer-id name artist album)
  "EAF Browser: edit FOCUS-TEXT with Emacs's BUFFER-ID."
  (eaf-edit-buffer-popup buffer-id "eaf-%s-edit-tag-info" "edit-tag-info" (format "%s\n%s\n%s\n" name artist album)))

(defun eaf-music-player-confirm-tag-info ()
  (eaf-call-async "execute_function_with_args"
                  eaf--buffer-id
                  "update_tag_info"
                  (buffer-substring-no-properties (point-min) (point-max))))
(add-to-list 'eaf-edit-confirm-function-alist '("edit-tag-info" . eaf-music-player-confirm-tag-info))

(add-to-list 'eaf-app-extensions-alist '("music-player" . eaf-music-extension-list))
(add-to-list 'eaf-app-binding-alist '("music-player" . eaf-music-player-keybinding))

(setq eaf-music-player-module-path (concat (file-name-directory load-file-name) "buffer.py"))
(add-to-list 'eaf-app-module-path-alist '("music-player" . eaf-music-player-module-path))

(provide 'eaf-music-player)
;;; eaf-music-player.el ends here