Handle errors possibly thrown from .showAlertNotification().

johnjbarton · Nov 16, 2010 · 4f0f4cb · 4f0f4cb
1 parent ebd2518
commit 4f0f4cb
Showing 1 changed file with 10 additions and 8 deletions.
diff --git a/modules/GM_notification.js b/modules/GM_notification.js
@@ -1,16 +1,18 @@
-
 // JSM exported symbols
 var EXPORTED_SYMBOLS = ["GM_notification"];
 
 const alertsServ = Components.classes["@mozilla.org/alerts-service;1"]
     .getService(Components.interfaces.nsIAlertsService);
 
 function GM_notification(aMsg, aTitle) {
-  alertsServ.showAlertNotification(
-    "chrome://greasemonkey/skin/icon_medium.png",
-    aTitle || "Greasemonkey",
-    aMsg+"",
-    false,
-    "",
-    null);
+  var title = aTitle ? "" + aTitle : "Greasemonkey";
+  var message = aMsg ? "" + aMsg : "";
+  try {
+    alertsServ.showAlertNotification(
+        "chrome://greasemonkey/skin/icon_medium.png",
+        title, message, false, "", null);
+  } catch (e) {
+    // In case e.g. Growl is not installed on a Mac.
+    alert(title + "\n" + message);
+  }
 };