From: Christophe Rhodes <csr21@cantab.net>
Date: Mon, 24 Mar 2014 21:29:46 +0000 (+0000)
Subject: we might not always get a squeeze-playerid property
X-Git-Url: http://christophe.rhodes.io/gitweb/?p=squeeze-el.git;a=commitdiff_plain;h=ac46829f42f950bc74751e458646c708b3616d6c

we might not always get a squeeze-playerid property

Don't send a player request with nil as the mac address
---

diff --git a/squeeze.el b/squeeze.el
index 0b637ad..95bfdf1 100644
--- a/squeeze.el
+++ b/squeeze.el
@@ -169,27 +169,31 @@
   (interactive)
   (unless id
     (setq id (get-text-property (point) 'squeeze-playerid)))
-  (comint-send-string (get-buffer-process "*squeeze*") (format "%s power ?\n" id)))
+  (when id
+    (comint-send-string (get-buffer-process "*squeeze*") (format "%s power ?\n" id))))
 
 (defun squeeze-control-volume-up (&optional id inc)
   (interactive)
   (unless inc (setq inc 5))
   (unless id
     (setq id (get-text-property (point) 'squeeze-playerid)))
-  (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume %+d\n" id inc)))
+  (when id
+    (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume %+d\n" id inc))))
 
 (defun squeeze-control-volume-down (&optional id inc)
   (interactive)
   (unless inc (setq inc 5))
   (unless id
     (setq id (get-text-property (point) 'squeeze-playerid)))
-  (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume %+d\n" id (- inc))))
+  (when id
+    (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume %+d\n" id (- inc)))))
 
 (defun squeeze-control-query-mixer-volume (&optional id)
   (interactive)
   (unless id
     (setq id (get-text-property (point) 'squeeze-playerid)))
-  (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume ?\n" id)))
+  (when id
+    (comint-send-string (get-buffer-process "*squeeze*") (format "%s mixer volume ?\n" id))))
 
 (defun squeeze-control-player-face (player)
   (let ((power (squeeze-player-power player)))