diff -r 000000000000 -r 6474c204b198 addon-sdk/source/examples/reddit-panel/lib/main.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/examples/reddit-panel/lib/main.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,49 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+var { data } = require("sdk/self");
+var { ToggleButton } = require("sdk/ui");
+
+var base64png = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYA" +
+                "AABzenr0AAAASUlEQVRYhe3O0QkAIAwD0eyqe3Q993AQ3cBSUKpygfsNTy" +
+                "N5ugbQpK0BAADgP0BRDWXWlwEAAAAAgPsA3rzDaAAAAHgPcGrpgAnzQ2FG" +
+                "bWRR9AAAAABJRU5ErkJggg%3D%3D";
+
+var reddit_panel = require("sdk/panel").Panel({
+  width: 240,
+  height: 320,
+  contentURL: "http://www.reddit.com/.mobile?keep_extension=True",
+  contentScriptFile: [data.url("jquery-1.4.4.min.js"),
+                      data.url("panel.js")],
+  onHide: handleHide
+});
+
+reddit_panel.port.on("click", function(url) {
+  require("sdk/tabs").open(url);
+});
+
+let button = ToggleButton({
+  id: "open-reddit-btn",
+  label: "Reddit",
+  icon: base64png,
+  onChange: handleChange
+});
+
+exports.main = function(options, callbacks) {
+  // If you run cfx with --static-args='{"quitWhenDone":true}' this program
+  // will automatically quit Firefox when it's done.
+  if (options.staticArgs.quitWhenDone)
+    callbacks.quit();
+};
+
+function handleChange(state) {
+  if (state.checked) {
+    reddit_panel.show({ position: button });
+  }
+}
+
+function handleHide() {
+  button.state('window', { checked: false });
+}