Merge branch 'master' of https://github.com/MoonchildProductions/UXP into pm_url_1

24 files changed, 286 insertions, 6 deletions

diff --git a/toolkit/jetpack/modules/system/Startup.js b/toolkit/jetpack/modules/system/Startup.js
index b9e5d88b3..89eeac3bc 100644
--- a/toolkit/jetpack/modules/system/Startup.js
+++ b/toolkit/jetpack/modules/system/Startup.js
@@ -15,6 +15,7 @@ const appStartupSrv = Cc["@mozilla.org/toolkit/app-startup;1"]
                        .getService(Ci.nsIAppStartup);
 
 const NAME2TOPIC = {
+  'Palemoon': 'sessionstore-windows-restored',
   'Firefox': 'sessionstore-windows-restored',
   'Fennec': 'sessionstore-windows-restored',
   'SeaMonkey': 'sessionstore-windows-restored',
diff --git a/toolkit/jetpack/moz.build b/toolkit/jetpack/moz.build
index 2024e6a7c..2e5dbe5e8 100644
--- a/toolkit/jetpack/moz.build
+++ b/toolkit/jetpack/moz.build
@@ -85,10 +85,18 @@ if CONFIG['MOZ_WIDGET_TOOLKIT'] != "gonk":
         'sdk/ui/toolbar.js',
     ]
 
+    if CONFIG['MC_PALEMOON']:
+        EXTRA_JS_MODULES.commonjs.sdk.ui += [
+            'sdk/ui/buttons.js',
+        ]
+
     EXTRA_JS_MODULES.commonjs.sdk.ui.button += [
         'sdk/ui/button/action.js',
         'sdk/ui/button/contract.js',
         'sdk/ui/button/toggle.js',
+    ]
+
+    EXTRA_PP_JS_MODULES.commonjs.sdk.ui.button += [
         'sdk/ui/button/view.js',
     ]
 
@@ -120,9 +128,10 @@ EXTRA_JS_MODULES.commonjs += [
     'test.js',
 ]
 
-EXTRA_JS_MODULES.commonjs.sdk += [
-    'sdk/webextension.js',
-]
+if CONFIG['MOZ_WEBEXTENSIONS']:
+    EXTRA_JS_MODULES.commonjs.sdk += [
+        'sdk/webextension.js',
+    ]
 
 EXTRA_JS_MODULES.commonjs.dev += [
     'dev/debuggee.js',
@@ -211,13 +220,15 @@ EXTRA_JS_MODULES.commonjs.sdk += [
     'sdk/tabs.js',
     'sdk/test.js',
     'sdk/timers.js',
-    'sdk/ui.js',
     'sdk/url.js',
     'sdk/windows.js',
 ]
 
+EXTRA_PP_JS_MODULES.commonjs.sdk += [
+    'sdk/ui.js',
+]
+
 EXTRA_JS_MODULES.commonjs.sdk.addon += [
-    'sdk/addon/bootstrap.js',
     'sdk/addon/events.js',
     'sdk/addon/host.js',
     'sdk/addon/installer.js',
@@ -226,6 +237,10 @@ EXTRA_JS_MODULES.commonjs.sdk.addon += [
     'sdk/addon/window.js',
 ]
 
+EXTRA_PP_JS_MODULES.commonjs.sdk.addon += [
+    'sdk/addon/bootstrap.js',
+]
+
 EXTRA_JS_MODULES.commonjs.sdk.browser += [
     'sdk/browser/events.js',
 ]
diff --git a/toolkit/jetpack/sdk/addon/bootstrap.js b/toolkit/jetpack/sdk/addon/bootstrap.js
index 0397d91e5..6c5827f1e 100644
--- a/toolkit/jetpack/sdk/addon/bootstrap.js
+++ b/toolkit/jetpack/sdk/addon/bootstrap.js
@@ -134,8 +134,10 @@ Bootstrap.prototype = {
       const main = command === "test" ? "sdk/test/runner" : null;
       const prefsURI = `${baseURI}defaults/preferences/prefs.js`;
 
+#ifdef MOZ_WEBEXTENSIONS
       // Init the 'sdk/webextension' module from the bootstrap addon parameter.
       require("sdk/webextension").initFromBootstrapAddonParam(addon);
+#endif
 
       const { startup } = require("sdk/addon/runner");
       startup(reason, {loader, main, prefsURI});
diff --git a/toolkit/jetpack/sdk/clipboard.js b/toolkit/jetpack/sdk/clipboard.js
index 048d5f2f1..c6b3c46fe 100644
--- a/toolkit/jetpack/sdk/clipboard.js
+++ b/toolkit/jetpack/sdk/clipboard.js
@@ -8,6 +8,7 @@ module.metadata = {
   "stability": "stable",
   "engines": {
     // TODO Fennec Support 789757
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*",
     "Thunderbird": "*"
diff --git a/toolkit/jetpack/sdk/context-menu.js b/toolkit/jetpack/sdk/context-menu.js
index 004c642d4..e00f41d79 100644
--- a/toolkit/jetpack/sdk/context-menu.js
+++ b/toolkit/jetpack/sdk/context-menu.js
@@ -7,6 +7,7 @@ module.metadata = {
   "stability": "stable",
   "engines": {
     // TODO Fennec support Bug 788334
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/panel.js b/toolkit/jetpack/sdk/panel.js
index 4b625799d..34cde2edd 100644
--- a/toolkit/jetpack/sdk/panel.js
+++ b/toolkit/jetpack/sdk/panel.js
@@ -8,6 +8,7 @@
 module.metadata = {
   "stability": "stable",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/places/bookmarks.js b/toolkit/jetpack/sdk/places/bookmarks.js
index c4f9528f1..e8fdae4f4 100644
--- a/toolkit/jetpack/sdk/places/bookmarks.js
+++ b/toolkit/jetpack/sdk/places/bookmarks.js
@@ -7,6 +7,7 @@
 module.metadata = {
   "stability": "unstable",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/places/events.js b/toolkit/jetpack/sdk/places/events.js
index a3f95ee03..c5e728039 100644
--- a/toolkit/jetpack/sdk/places/events.js
+++ b/toolkit/jetpack/sdk/places/events.js
@@ -7,6 +7,7 @@
 module.metadata = {
   'stability': 'experimental',
   'engines': {
+    'Palemoon': '*',
     'Firefox': '*',
     "SeaMonkey": '*'
   }
diff --git a/toolkit/jetpack/sdk/places/favicon.js b/toolkit/jetpack/sdk/places/favicon.js
index 05b057db1..7a74aa517 100644
--- a/toolkit/jetpack/sdk/places/favicon.js
+++ b/toolkit/jetpack/sdk/places/favicon.js
@@ -7,6 +7,7 @@
 module.metadata = {
   "stability": "unstable",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/places/history.js b/toolkit/jetpack/sdk/places/history.js
index b243b024c..f7fc3ed57 100644
--- a/toolkit/jetpack/sdk/places/history.js
+++ b/toolkit/jetpack/sdk/places/history.js
@@ -7,6 +7,7 @@
 module.metadata = {
   "stability": "unstable",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/places/host/host-bookmarks.js b/toolkit/jetpack/sdk/places/host/host-bookmarks.js
index 3245c4070..f6dec4069 100644
--- a/toolkit/jetpack/sdk/places/host/host-bookmarks.js
+++ b/toolkit/jetpack/sdk/places/host/host-bookmarks.js
@@ -7,6 +7,7 @@
 module.metadata = {
   "stability": "experimental",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/places/host/host-query.js b/toolkit/jetpack/sdk/places/host/host-query.js
index f2dbd6550..a2cd4cd35 100644
--- a/toolkit/jetpack/sdk/places/host/host-query.js
+++ b/toolkit/jetpack/sdk/places/host/host-query.js
@@ -6,6 +6,7 @@
 module.metadata = {
   "stability": "experimental",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/places/host/host-tags.js b/toolkit/jetpack/sdk/places/host/host-tags.js
index 929a5d5af..b94342549 100644
--- a/toolkit/jetpack/sdk/places/host/host-tags.js
+++ b/toolkit/jetpack/sdk/places/host/host-tags.js
@@ -7,6 +7,7 @@
 module.metadata = {
   "stability": "experimental",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/places/utils.js b/toolkit/jetpack/sdk/places/utils.js
index 44366d2aa..fe928c4ea 100644
--- a/toolkit/jetpack/sdk/places/utils.js
+++ b/toolkit/jetpack/sdk/places/utils.js
@@ -7,6 +7,7 @@
 module.metadata = {
   "stability": "experimental",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/selection.js b/toolkit/jetpack/sdk/selection.js
index 8682e8c6d..e393aae06 100644
--- a/toolkit/jetpack/sdk/selection.js
+++ b/toolkit/jetpack/sdk/selection.js
@@ -7,6 +7,7 @@
 module.metadata = {
   "stability": "stable",
   "engines": {
+    "Palemoon": "*",
     "Firefox": "*",
     "SeaMonkey": "*"
   }
diff --git a/toolkit/jetpack/sdk/system/xul-app.jsm b/toolkit/jetpack/sdk/system/xul-app.jsm
index 90681bb1b..ed760c3a4 100644
--- a/toolkit/jetpack/sdk/system/xul-app.jsm
+++ b/toolkit/jetpack/sdk/system/xul-app.jsm
@@ -41,6 +41,7 @@ var platformVersion = exports.platformVersion = appInfo.platformVersion;
 // GUID.
 
 var ids = exports.ids = {
+  Palemoon: "{8de7fcbb-c55c-4fbe-bfc5-fc555c87dbc4}",
   Firefox: "{ec8030f7-c20a-464f-9b0e-13a3a9e97384}",
   Mozilla: "{86c18b42-e466-45a9-ae7a-9b95ba6f5640}",
   SeaMonkey: "{92650c4d-4b8e-4d2a-b7eb-24ecf4f6b63a}",
diff --git a/toolkit/jetpack/sdk/ui.js b/toolkit/jetpack/sdk/ui.js
index 7f9110b26..d1ff7ceb8 100644
--- a/toolkit/jetpack/sdk/ui.js
+++ b/toolkit/jetpack/sdk/ui.js
@@ -6,12 +6,15 @@
 module.metadata = {
   'stability': 'experimental',
   'engines': {
+    'Palemoon': '> 27',
     'Firefox': '> 28'
   }
 };
 
 exports.ActionButton = require('./ui/button/action').ActionButton;
 exports.ToggleButton = require('./ui/button/toggle').ToggleButton;
+#ifndef MC_PALEMOON
 exports.Sidebar = require('./ui/sidebar').Sidebar;
 exports.Frame = require('./ui/frame').Frame;
 exports.Toolbar = require('./ui/toolbar').Toolbar;
+#endif
diff --git a/toolkit/jetpack/sdk/ui/button/action.js b/toolkit/jetpack/sdk/ui/button/action.js
index dfb092d0c..5355705be 100644
--- a/toolkit/jetpack/sdk/ui/button/action.js
+++ b/toolkit/jetpack/sdk/ui/button/action.js
@@ -6,6 +6,7 @@
 module.metadata = {
   'stability': 'experimental',
   'engines': {
+    'Palemoon': '> 27',
     'Firefox': '> 28'
   }
 };
diff --git a/toolkit/jetpack/sdk/ui/button/toggle.js b/toolkit/jetpack/sdk/ui/button/toggle.js
index a226b3212..d8a3d1758 100644
--- a/toolkit/jetpack/sdk/ui/button/toggle.js
+++ b/toolkit/jetpack/sdk/ui/button/toggle.js
@@ -6,6 +6,7 @@
 module.metadata = {
   'stability': 'experimental',
   'engines': {
+    'Palemoon': '> 27',
     'Firefox': '> 28'
   }
 };
diff --git a/toolkit/jetpack/sdk/ui/button/view.js b/toolkit/jetpack/sdk/ui/button/view.js
index 63b7aea31..dcc3be59d 100644
--- a/toolkit/jetpack/sdk/ui/button/view.js
+++ b/toolkit/jetpack/sdk/ui/button/view.js
@@ -6,6 +6,7 @@
 module.metadata = {
   'stability': 'experimental',
   'engines': {
+    'Palemoon': '> 27',
     'Firefox': '> 28'
   }
 };
@@ -19,14 +20,19 @@ const { isObject, isNil } = require('../../lang/type');
 
 const { getMostRecentBrowserWindow } = require('../../window/utils');
 const { ignoreWindow } = require('../../private-browsing/utils');
+#ifdef MC_PALEMOON
+const { buttons } = require('../buttons');
+#else
 const { CustomizableUI } = Cu.import('resource:///modules/CustomizableUI.jsm', {});
 const { AREA_PANEL, AREA_NAVBAR } = CustomizableUI;
+#endif
 
 const { events: viewEvents } = require('./view/events');
 
 const XUL_NS = 'http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul';
 
 const views = new Map();
+#ifndef MC_PALEMOON
 const customizedWindows = new WeakMap();
 
 const buttonListener = {
@@ -64,19 +70,25 @@ CustomizableUI.addListener(buttonListener);
 require('../../system/unload').when( _ =>
   CustomizableUI.removeListener(buttonListener)
 );
+#endif
 
 function getNode(id, window) {
   return !views.has(id) || ignoreWindow(window)
     ? null
+#ifdef MC_PALEMOON
+    : buttons.getNode(id, window);
+#else
     : CustomizableUI.getWidget(id).forWindow(window).node
+#endif
 };
 
+#ifndef MC_PALEMOON
 function isInToolbar(id) {
   let placement = CustomizableUI.getPlacementOfWidget(id);
 
   return placement && CustomizableUI.getAreaType(placement.area) === 'toolbar';
 }
-
+#endif
 
 function getImage(icon, isInToolbar, pixelRatio) {
   let targetSize = (isInToolbar ? 18 : 32) * pixelRatio;
@@ -109,7 +121,11 @@ function getImage(icon, isInToolbar, pixelRatio) {
 }
 
 function nodeFor(id, window=getMostRecentBrowserWindow()) {
+#ifdef MC_PALEMOON
+  return getNode(id, window);
+#else
   return customizedWindows.has(window) ? null : getNode(id, window);
+#endif
 };
 exports.nodeFor = nodeFor;
 
@@ -119,14 +135,23 @@ function create(options) {
   if (views.has(id))
     throw new Error('The ID "' + id + '" seems already used.');
 
+#ifdef MC_PALEMOON
+  buttons.createButton({
+#else
   CustomizableUI.createWidget({
+#endif
     id: id,
     type: 'custom',
+#ifdef MC_PALEMOON
+
+    onBuild: function(document, _id) {
+#else
     removable: true,
     defaultArea: AREA_NAVBAR,
     allowedAreas: [ AREA_PANEL, AREA_NAVBAR ],
 
     onBuild: function(document) {
+#endif
       let window = document.defaultView;
 
       let node = document.createElementNS(XUL_NS, 'toolbarbutton');
@@ -136,16 +161,26 @@ function create(options) {
       if (ignoreWindow(window))
         node.style.display = 'none';
 
+#ifdef MC_PALEMOON
+      node.setAttribute('id', _id);
+#else
       node.setAttribute('id', this.id);
+#endif
       node.setAttribute('class', 'toolbarbutton-1 chromeclass-toolbar-additional badged-button');
       node.setAttribute('type', type);
       node.setAttribute('label', label);
       node.setAttribute('tooltiptext', label);
       node.setAttribute('image', image);
+#ifdef MC_PALEMOON
+      node.setAttribute('pmkit-button', 'true');
+#else
       node.setAttribute('constrain-size', 'true');
+#endif
 
       views.set(id, {
+#ifndef MC_PALEMOON
         area: this.currentArea,
+#endif
         icon: icon,
         label: label
       });
@@ -171,7 +206,11 @@ function dispose(id) {
   if (!views.has(id)) return;
 
   views.delete(id);
+#ifdef MC_PALEMOON
+  buttons.destroyButton(id);
+#else
   CustomizableUI.destroyWidget(id);
+#endif
 }
 exports.dispose = dispose;
 
@@ -179,8 +218,12 @@ function setIcon(id, window, icon) {
   let node = getNode(id, window);
 
   if (node) {
+#ifdef MC_PALEMOON
+    let image = getImage(icon, true, window.devicePixelRatio);
+#else
     icon = customizedWindows.has(window) ? views.get(id).icon : icon;
     let image = getImage(icon, isInToolbar(id), window.devicePixelRatio);
+#endif
 
     node.setAttribute('image', image);
   }
diff --git a/toolkit/jetpack/sdk/ui/button/view/events.js b/toolkit/jetpack/sdk/ui/button/view/events.js
index 98909656a..34d14be3a 100644
--- a/toolkit/jetpack/sdk/ui/button/view/events.js
+++ b/toolkit/jetpack/sdk/ui/button/view/events.js
@@ -7,6 +7,7 @@
 module.metadata = {
   'stability': 'experimental',
   'engines': {
+    'Palemoon': '*',
     'Firefox': '*',
     'SeaMonkey': '*',
     'Thunderbird': '*'
diff --git a/toolkit/jetpack/sdk/ui/buttons.js b/toolkit/jetpack/sdk/ui/buttons.js
new file mode 100644
index 000000000..66e0fd742
--- /dev/null
+++ b/toolkit/jetpack/sdk/ui/buttons.js
@@ -0,0 +1,198 @@
+/* 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/.
+ * PMkit shim for 'sdk/ui/button', (c) JustOff, 2017 */
+"use strict";
+
+module.metadata = {
+  "stability": "experimental",
+  "engines": {
+    "Palemoon": "> 27"
+  }
+};
+
+const { Ci, Cc } = require('chrome');
+const prefs = require('../preferences/service');
+
+const buttonsList = new Map();
+const LOCATION_PREF_ROOT = "extensions.sdk-button-location.";
+
+let gWindowListener;
+
+function getLocation(id) {
+  let toolbarId = "nav-bar", nextItemId = "";
+  let location = prefs.get(LOCATION_PREF_ROOT + id);
+  if (location && location.indexOf(",") !== -1) {
+    [toolbarId, nextItemId] = location.split(",");
+  }
+  return [toolbarId, nextItemId];
+}
+
+function saveLocation(id, toolbarId, nextItemId) {
+  let _toolbarId = toolbarId || "";
+  let _nextItemId = nextItemId || "";
+  prefs.set(LOCATION_PREF_ROOT + id, [_toolbarId, _nextItemId].join(","));
+}
+
+// Insert button into window
+function insertButton(aWindow, id, onBuild) {
+  // Build button and save reference to it
+  let doc = aWindow.document;
+  let b = onBuild(doc, id);
+  aWindow[id] = b;
+
+  // Add to the customization palette
+  let toolbox = doc.getElementById("navigator-toolbox");
+  toolbox.palette.appendChild(b);
+
+  // Retrieve button location from preferences
+  let [toolbarId, nextItemId] = getLocation(id);
+  let toolbar = toolbarId != "" && doc.getElementById(toolbarId);
+
+  if (toolbar) {
+    let nextItem = doc.getElementById(nextItemId);
+    // If nextItem not in toolbar then retrieve it by reading currentset attribute
+    if (!(nextItem && nextItem.parentNode && nextItem.parentNode.id == toolbarId)) {
+      nextItem = null;
+      let currentSet = toolbar.getAttribute("currentset");
+      let ids = (currentSet == "__empty") ? [] : currentSet.split(",");
+      let idx = ids.indexOf(id);
+      if (idx != -1) {
+        for (let i = idx; i < ids.length; i++) {
+          nextItem = doc.getElementById(ids[i]);
+          if (nextItem)
+            break;
+        }
+      }
+    }
+    // Finally insert button in the right toolbar and in the right position
+    toolbar.insertItem(id, nextItem, null, false);
+  }
+}
+
+// Remove button from window
+function removeButton(aWindow, id) {
+  let b = aWindow[id];
+  b.parentNode.removeChild(b);
+  delete aWindow[id];
+}
+
+// Save locations of buttons after customization
+function afterCustomize(e) {
+  for (let [id] of buttonsList) {
+    let toolbox = e.target;
+    let b = toolbox.parentNode.querySelector("#" + id);
+    let toolbarId = null, nextItemId = null;
+    if (b) {
+      let parent = b.parentNode;
+      let nextItem = b.nextSibling;
+      if (parent && parent.localName == "toolbar") {
+        toolbarId = parent.id;
+        nextItemId = nextItem && nextItem.id;
+      }
+    }
+    saveLocation(id, toolbarId, nextItemId);
+  }
+}
+
+// Global window observer
+function browserWindowObserver(handlers) {
+  this.handlers = handlers;
+}
+
+browserWindowObserver.prototype = {
+  observe: function(aSubject, aTopic, aData) {
+    if (aTopic == "domwindowopened") {
+      aSubject.QueryInterface(Ci.nsIDOMWindow).addEventListener("load", this, false);
+    } else if (aTopic == "domwindowclosed") {
+      if (aSubject.document.documentElement.getAttribute("windowtype") == "navigator:browser") {
+        this.handlers.onShutdown(aSubject);
+      }
+    }
+  },
+
+  handleEvent: function(aEvent) {
+    let aWindow = aEvent.currentTarget;
+    aWindow.removeEventListener(aEvent.type, this, false);
+
+    if (aWindow.document.documentElement.getAttribute("windowtype") == "navigator:browser") {
+      this.handlers.onStartup(aWindow);
+    }
+  }
+};
+
+// Run on every window startup
+function browserWindowStartup(aWindow) {
+  for (let [id, onBuild] of buttonsList) {
+    insertButton(aWindow, id, onBuild);
+  }
+  aWindow.addEventListener("aftercustomization", afterCustomize, false);
+};
+
+// Run on every window shutdown
+function browserWindowShutdown(aWindow) {
+  for (let [id, onBuild] of buttonsList) {
+    removeButton(aWindow, id);
+  }
+  aWindow.removeEventListener("aftercustomization", afterCustomize, false);
+}
+
+// Main object
+const buttons = {
+  createButton: function(aProperties) {
+    // If no buttons were inserted yet, setup global window observer
+    if (buttonsList.size == 0) {
+      let ww = Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(Ci.nsIWindowWatcher);
+      gWindowListener = new browserWindowObserver({
+        onStartup: browserWindowStartup,
+        onShutdown: browserWindowShutdown
+      });
+      ww.registerNotification(gWindowListener);
+    }
+
+    // Add button to list
+    buttonsList.set(aProperties.id, aProperties.onBuild);
+
+    // Inster button to all open windows
+    let wm = Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci.nsIWindowMediator);
+    let winenu = wm.getEnumerator("navigator:browser");
+    while (winenu.hasMoreElements()) {
+      let win = winenu.getNext();
+      insertButton(win, aProperties.id, aProperties.onBuild);
+      // When first button inserted, add afterCustomize listener
+      if (buttonsList.size == 1) {
+        win.addEventListener("aftercustomization", afterCustomize, false);
+      }
+    }
+  },
+
+  destroyButton: function(id) {
+    // Remove button from list
+    buttonsList.delete(id);
+
+    // If no more buttons exist, remove global window observer
+    if (buttonsList.size == 0) {
+      let ww = Cc["@mozilla.org/embedcomp/window-watcher;1"].getService(Ci.nsIWindowWatcher);
+      ww.unregisterNotification(gWindowListener);
+      gWindowListener = null;
+    }
+
+    // Remove button from all open windows
+    let wm = Cc["@mozilla.org/appshell/window-mediator;1"].getService(Ci.nsIWindowMediator);
+    let winenu = wm.getEnumerator("navigator:browser");
+    while (winenu.hasMoreElements()) {
+      let win = winenu.getNext();
+      removeButton(win, id);
+      // If no more buttons exist, remove afterCustomize listener
+      if (buttonsList.size == 0) {
+        win.removeEventListener("aftercustomization", afterCustomize, false);
+      }
+    }
+  },
+
+  getNode: function(id, window) {
+    return window[id];
+  }
+};
+
+exports.buttons = buttons;
diff --git a/toolkit/jetpack/sdk/ui/state.js b/toolkit/jetpack/sdk/ui/state.js
index 152ce696d..c90d4283d 100644
--- a/toolkit/jetpack/sdk/ui/state.js
+++ b/toolkit/jetpack/sdk/ui/state.js
@@ -8,6 +8,7 @@
 module.metadata = {
   'stability': 'experimental',
   'engines': {
+    'Palemoon': '*',
     'Firefox': '*',
     'SeaMonkey': '*',
     'Thunderbird': '*'
diff --git a/toolkit/jetpack/sdk/ui/state/events.js b/toolkit/jetpack/sdk/ui/state/events.js
index 98909656a..34d14be3a 100644
--- a/toolkit/jetpack/sdk/ui/state/events.js
+++ b/toolkit/jetpack/sdk/ui/state/events.js
@@ -7,6 +7,7 @@
 module.metadata = {
   'stability': 'experimental',
   'engines': {
+    'Palemoon': '*',
     'Firefox': '*',
     'SeaMonkey': '*',
     'Thunderbird': '*'