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diff --git a/data/extensions/jid1-KtlZuoiikVfFew@jetpack/lib/ui/notification.js b/data/extensions/jid1-KtlZuoiikVfFew@jetpack/lib/ui/notification.js
new file mode 100644
index 0000000..c49b083
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+++ b/data/extensions/jid1-KtlZuoiikVfFew@jetpack/lib/ui/notification.js
@@ -0,0 +1,78 @@
+/**
+ * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
+ * *
+ * Copyright (C) 2011, 2012, 2013, 2014 Loic J. Duros
+ * Copyright (C) 2014, 2015 Nik Nyby
+ *
+ * This file is part of GNU LibreJS.
+ *
+ * GNU LibreJS 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 LibreJS 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 LibreJS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+// this module is used to display a notification when LibreJS 
+// is running to inform the user it is indeed busy working.
+const timer = require("sdk/timers");
+const self = require("sdk/self");
+const isDisplayNotifications = require("../addon_management/prefchange")
+      .isDisplayNotifications;
+
+exports.createCriticalNotification = function (text) {
+    if (text === undefined) {
+        text = "";
+    }
+    var self = require('sdk/self');
+    var notif = require("notification-box").NotificationBox({
+        'value': 'librejs-critical-notification-js-web-labels',
+        'label': text,
+        'priority': 'CRITICAL_LOW',
+        'image': self.data.url("assets/images/torchy2.png"),
+    });
+    return notif;
+};
+
+var fakeNotification = {
+    'close': function () {
+        return;
+    }
+};
+
+exports.createNotification = function (jsValue) {
+    if (!isDisplayNotifications()) {
+        return fakeNotification;
+    }
+    if (jsValue === undefined) {
+        jsValue = "";
+    }
+    var self = require('sdk/self');
+    var notif = require("notification-box").NotificationBox({
+        'value': 'librejs-message',
+        'label': 'LibreJS is analyzing: ' + jsValue + " ...",
+        'priority': 'INFO_LOW',
+        'image': self.data.url("assets/images/torchy2.png"),
+        /*'buttons': [{'label': "Fine",
+          'onClick': function () { }}]*/
+    });
+    timer.setTimeout(function () { 
+        // ensure notifications are ALWAYS removed at some point.
+        console.debug("removing after 2 seconds"); 
+        try {
+            var n = notif.notificationbox
+                .getNotificationWithValue('librejs-message');
+            n.close();
+        } catch(x) {
+            // do nothing
+        }
+    }, 2000);
+    return notif;
+};