diff -r 000000000000 -r 6474c204b198 toolkit/components/alerts/nsXULAlerts.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/components/alerts/nsXULAlerts.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,61 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode:nil; c-basic-offset: 2 -*- */
+/* 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/. */
+
+#ifndef nsXULAlerts_h__
+#define nsXULAlerts_h__
+
+#include "nsHashKeys.h"
+#include "nsInterfaceHashtable.h"
+
+#include "nsIDOMWindow.h"
+#include "nsIObserver.h"
+
+class nsXULAlerts {
+  friend class nsXULAlertObserver;
+public:
+  nsXULAlerts()
+  {
+  }
+
+  virtual ~nsXULAlerts() {}
+
+  nsresult ShowAlertNotification(const nsAString& aImageUrl, const nsAString& aAlertTitle,
+                                 const nsAString& aAlertText, bool aAlertTextClickable,
+                                 const nsAString& aAlertCookie, nsIObserver* aAlertListener,
+                                 const nsAString& aAlertName, const nsAString& aBidi,
+                                 const nsAString& aLang);
+
+  nsresult CloseAlert(const nsAString& aAlertName);
+protected:
+  nsInterfaceHashtable<nsStringHashKey, nsIDOMWindow> mNamedWindows;
+};
+
+/**
+ * This class wraps observers for alerts and watches
+ * for the "alertfinished" event in order to release
+ * the reference on the nsIDOMWindow of the XUL alert.
+ */
+class nsXULAlertObserver : public nsIObserver {
+public:
+  NS_DECL_ISUPPORTS
+  NS_DECL_NSIOBSERVER
+
+  nsXULAlertObserver(nsXULAlerts* aXULAlerts, const nsAString& aAlertName,
+                     nsIObserver* aObserver)
+    : mXULAlerts(aXULAlerts), mAlertName(aAlertName),
+      mObserver(aObserver) {}
+
+  void SetAlertWindow(nsIDOMWindow* aWindow) { mAlertWindow = aWindow; }
+
+  virtual ~nsXULAlertObserver() {}
+protected:
+  nsXULAlerts* mXULAlerts;
+  nsString mAlertName;
+  nsCOMPtr<nsIDOMWindow> mAlertWindow;
+  nsCOMPtr<nsIObserver> mObserver;
+};
+
+#endif /* nsXULAlerts_h__ */
+