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;;; gnus-audio.el --- Sound effects for Gnus
;; Copyright (C) 1996, 2000, 2001, 2002, 2003, 2004,
;; 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
;; Author: Steven L. Baur <steve@miranova.com>
;; Keywords: news, mail, multimedia
;; This file is part of GNU Emacs.
;; GNU Emacs 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.
;; GNU Emacs 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 GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file provides access to sound effects in Gnus.
;; This file is partially stripped to support earcons.el.
;;; Code:
(require 'nnheader)
(defgroup gnus-audio nil
"Playing sound in Gnus."
:version "21.1"
:group 'gnus-visual
:group 'multimedia)
(defvar gnus-audio-inline-sound
(or (if (fboundp 'device-sound-enabled-p)
(device-sound-enabled-p)) ; XEmacs
(fboundp 'play-sound)) ; Emacs 21
"Non-nil means try to play sounds without using an external program.")
(defcustom gnus-audio-directory (nnheader-find-etc-directory "sounds")
"The directory containing the Sound Files."
:type '(choice directory (const nil))
:group 'gnus-audio)
(defcustom gnus-audio-au-player (executable-find "play")
"Executable program for playing sun AU format sound files."
:group 'gnus-audio
:type '(choice file (const nil)))
(defcustom gnus-audio-wav-player (executable-find "play")
"Executable program for playing WAV files."
:group 'gnus-audio
:type '(choice file (const nil)))
;;; The following isn't implemented yet. Wait for Millennium Gnus.
;;(defvar gnus-audio-effects-enabled t
;; "When t, Gnus will use sound effects.")
;;(defvar gnus-audio-enable-hooks nil
;; "Functions run when enabling sound effects.")
;;(defvar gnus-audio-disable-hooks nil
;; "Functions run when disabling sound effects.")
;;(defvar gnus-audio-theme-song nil
;; "Theme song for Gnus.")
;;(defvar gnus-audio-enter-group nil
;; "Sound effect played when selecting a group.")
;;(defvar gnus-audio-exit-group nil
;; "Sound effect played when exiting a group.")
;;(defvar gnus-audio-score-group nil
;; "Sound effect played when scoring a group.")
;;(defvar gnus-audio-busy-sound nil
;; "Sound effect played when going into a ... sequence.")
;;;###autoload
;;(defun gnus-audio-enable-sound ()
;; "Enable Sound Effects for Gnus."
;; (interactive)
;; (setq gnus-audio-effects-enabled t)
;; (gnus-run-hooks gnus-audio-enable-hooks))
;;;###autoload
;(defun gnus-audio-disable-sound ()
;; "Disable Sound Effects for Gnus."
;; (interactive)
;; (setq gnus-audio-effects-enabled nil)
;; (gnus-run-hooks gnus-audio-disable-hooks))
;;;###autoload
(defun gnus-audio-play (file)
"Play a sound FILE through the speaker."
(interactive "fSound file name: ")
(let ((sound-file (if (file-exists-p file)
file
(expand-file-name file gnus-audio-directory))))
(when (file-exists-p sound-file)
(cond ((and gnus-audio-inline-sound
(condition-case nil
;; Even if we have audio, we may fail with the
;; wrong sort of sound file.
(progn (play-sound-file sound-file)
t)
(error nil))))
;; If we don't have built-in sound, or playing it failed,
;; try with external program.
((equal "wav" (file-name-extension sound-file))
(call-process gnus-audio-wav-player
sound-file
0
nil
sound-file))
((equal "au" (file-name-extension sound-file))
(call-process gnus-audio-au-player
sound-file
0
nil
sound-file))))))
;;; The following isn't implemented yet, wait for Red Gnus
;;(defun gnus-audio-startrek-sounds ()
;; "Enable sounds from Star Trek the original series."
;; (interactive)
;; (setq gnus-audio-busy-sound "working.au")
;; (setq gnus-audio-enter-group "bulkhead_door.au")
;; (setq gnus-audio-exit-group "bulkhead_door.au")
;; (setq gnus-audio-score-group "ST_laser.au")
;; (setq gnus-audio-theme-song "startrek.au")
;; (add-hook 'gnus-select-group-hook 'gnus-audio-startrek-select-group)
;; (add-hook 'gnus-exit-group-hook 'gnus-audio-startrek-exit-group))
;;;***
(defvar gnus-startup-jingle "Tuxedomoon.Jingle4.au"
"Name of the Gnus startup jingle file.")
(defun gnus-play-jingle ()
"Play the Gnus startup jingle, unless that's inhibited."
(interactive)
(gnus-audio-play gnus-startup-jingle))
(provide 'gnus-audio)
(run-hooks 'gnus-audio-load-hook)
;; arch-tag: 6f129e78-3416-4fc9-973f-6cf5ac8d654b
;;; gnus-audio.el ends here
|
