Don't require cl.

(gnus-audio): New custom group.
(gnus-audio-inline-sound): Change to work with Emacs.
(gnus-audio-directory, gnus-audio-directory)
(gnus-audio-au-player):  Customize.
(gnus-audio-play): Try external player if play-sound-file fails.
Use file-name-extension, not string-match.

1 files changed, 53 insertions, 35 deletions

diff --git a/lisp/gnus/gnus-audio.el b/lisp/gnus/gnus-audio.el
index e84c1dfd9df..b66339855ac 100644
--- a/lisp/gnus/gnus-audio.el
+++ b/lisp/gnus/gnus-audio.el
@@ -1,7 +1,8 @@
 ;;; gnus-audio.el --- Sound effects for Gnus
-;; Copyright (C) 1996 Free Software Foundation
+;; Copyright (C) 1996, 2000 Free Software Foundation
 
 ;; Author: Steven L. Baur <steve@miranova.com>
+;; Keywords: news, mail, multimedia
 
 ;; This file is part of GNU Emacs.
 
@@ -21,30 +22,40 @@
 ;; Boston, MA 02111-1307, USA.
 
 ;;; Commentary:
+
 ;; This file provides access to sound effects in Gnus.
-;; Prerelease:  This file is partially stripped to support earcons.el
-;; You can safely ignore most of it until Red Gnus.  **Evil Laugh**
-;;; Code:
+;; This file is partially stripped to support earcons.el.
 
-(when (null (boundp 'running-xemacs))
-  (defvar running-xemacs (string-match "XEmacs\\|Lucid" emacs-version)))
+;;; Code:
 
 (require 'nnheader)
-(eval-when-compile (require 'cl))
 
-(defvar gnus-audio-inline-sound
-  (and (fboundp 'device-sound-enabled-p)
-       (device-sound-enabled-p))
-  "When t, we will not spawn a subprocess to play sounds.")
+(defgroup gnus-audio nil
+  "Playing sound in Gnus."
+  :version "21.1"
+  :group 'gnus-visual
+  :group 'multimedia)
 
-(defvar gnus-audio-directory (nnheader-find-etc-directory "sounds")
-  "The directory containing the Sound Files.")
-
-(defvar gnus-audio-au-player "/usr/bin/showaudio"
-  "Executable program for playing sun AU format sound files.")
-
-(defvar gnus-audio-wav-player "/usr/local/bin/play"
-  "Executable program for playing WAV files.")
+(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 'directory
+  :group 'gnus-audio)
+
+(defcustom gnus-audio-au-player "/usr/bin/showaudio"
+  "Executable program for playing sun AU format sound files."
+  :group 'gnus-audio
+  :type 'string)
+
+(defcustom gnus-audio-wav-player "/usr/local/bin/play"
+  "Executable program for playing WAV files."
+  :group 'gnus-audio
+  :type 'string)
 
 ;;; The following isn't implemented yet.  Wait for Millennium Gnus.
 ;;(defvar gnus-audio-effects-enabled t
@@ -81,26 +92,33 @@
 
 ;;;###autoload
 (defun gnus-audio-play (file)
-  "Play a sound through the speaker."
+  "Play a sound FILE through the speaker."
   (interactive)
   (let ((sound-file (if (file-exists-p file)
 			file
-		      (concat gnus-audio-directory file))))
+		      (expand-file-name file gnus-audio-directory))))
     (when (file-exists-p sound-file)
-      (if gnus-audio-inline-sound
-	  (play-sound-file sound-file)
-	(cond ((string-match "\\.wav$" sound-file)
-	       (call-process gnus-audio-wav-player
-			     sound-file
-			     0
-			     nil
-			     sound-file))
-	      ((string-match "\\.au$" sound-file)
-	       (call-process gnus-audio-au-player
-			     sound-file
-			     0
-			     nil
-			     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