diff -r 000000000000 -r 6474c204b198 dom/src/notification/DesktopNotification.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/src/notification/DesktopNotification.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,181 @@
+/* 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 mozilla_dom_DesktopNotification_h
+#define mozilla_dom_DesktopNotification_h
+
+#include "nsIPrincipal.h"
+#include "nsIAlertsService.h"
+#include "nsIContentPermissionPrompt.h"
+
+#include "nsIObserver.h"
+#include "nsString.h"
+#include "nsWeakPtr.h"
+#include "nsCycleCollectionParticipant.h"
+#include "nsIDOMWindow.h"
+#include "nsIScriptObjectPrincipal.h"
+
+#include "nsIDOMEvent.h"
+#include "nsIDocument.h"
+
+#include "mozilla/Attributes.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/ErrorResult.h"
+#include "nsWrapperCache.h"
+
+
+namespace mozilla {
+namespace dom {
+
+class AlertServiceObserver;
+class DesktopNotification;
+
+/*
+ * DesktopNotificationCenter
+ * Object hangs off of the navigator object and hands out DesktopNotification objects
+ */
+class DesktopNotificationCenter MOZ_FINAL : public nsISupports,
+                                            public nsWrapperCache
+{
+public:
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DesktopNotificationCenter)
+
+  DesktopNotificationCenter(nsPIDOMWindow *aWindow)
+  {
+    MOZ_ASSERT(aWindow);
+    mOwner = aWindow;
+
+    nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(aWindow);
+    MOZ_ASSERT(sop);
+
+    mPrincipal = sop->GetPrincipal();
+    MOZ_ASSERT(mPrincipal);
+
+    SetIsDOMBinding();
+  }
+
+  virtual ~DesktopNotificationCenter()
+  {
+  }
+
+  void Shutdown() {
+    mOwner = nullptr;
+  }
+
+  nsPIDOMWindow* GetParentObject() const
+  {
+    return mOwner;
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  already_AddRefed<DesktopNotification>
+  CreateNotification(const nsAString& title,
+                     const nsAString& description,
+                     const nsAString& iconURL);
+
+private:
+  nsCOMPtr<nsPIDOMWindow> mOwner;
+  nsCOMPtr<nsIPrincipal> mPrincipal;
+};
+
+class DesktopNotificationRequest;
+
+class DesktopNotification MOZ_FINAL : public DOMEventTargetHelper
+{
+  friend class DesktopNotificationRequest;
+
+public:
+
+  DesktopNotification(const nsAString& aTitle,
+                      const nsAString& aDescription,
+                      const nsAString& aIconURL,
+                      nsPIDOMWindow *aWindow,
+                      nsIPrincipal* principal);
+
+  virtual ~DesktopNotification();
+
+  void Init();
+
+  /*
+   * PostDesktopNotification
+   * Uses alert service to display a notification
+   */
+  nsresult PostDesktopNotification();
+
+  nsresult SetAllow(bool aAllow);
+
+  /*
+   * Creates and dispatches a dom event of type aName
+   */
+  void DispatchNotificationEvent(const nsString& aName);
+
+  void HandleAlertServiceNotification(const char *aTopic);
+
+  // WebIDL
+
+  nsPIDOMWindow* GetParentObject() const
+  {
+    return GetOwner();
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
+
+  void Show(ErrorResult& aRv);
+
+  IMPL_EVENT_HANDLER(click)
+  IMPL_EVENT_HANDLER(close)
+
+protected:
+
+  nsString mTitle;
+  nsString mDescription;
+  nsString mIconURL;
+
+  nsRefPtr<AlertServiceObserver> mObserver;
+  nsCOMPtr<nsIPrincipal> mPrincipal;
+  bool mAllow;
+  bool mShowHasBeenCalled;
+
+  static uint32_t sCount;
+};
+
+class AlertServiceObserver: public nsIObserver
+{
+ public:
+  NS_DECL_ISUPPORTS
+
+    AlertServiceObserver(DesktopNotification* notification)
+    : mNotification(notification) {}
+
+  virtual ~AlertServiceObserver() {}
+
+  void Disconnect() { mNotification = nullptr; }
+
+  NS_IMETHODIMP
+  Observe(nsISupports *aSubject,
+          const char *aTopic,
+          const char16_t *aData)
+  {
+
+    // forward to parent
+    if (mNotification) {
+#ifdef MOZ_B2G
+    if (NS_FAILED(mNotification->CheckInnerWindowCorrectness()))
+      return NS_ERROR_NOT_AVAILABLE;
+#endif
+      mNotification->HandleAlertServiceNotification(aTopic);
+    }
+    return NS_OK;
+  };
+
+ private:
+  DesktopNotification* mNotification;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif /* mozilla_dom_DesktopNotification_h */