1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_
6#define CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_
7
8#include "base/compiler_specific.h"
9#include "base/macros.h"
10#include "content/public/browser/notification_observer.h"
11#include "content/public/browser/notification_registrar.h"
12
13namespace extensions {
14class StateStore;
15
16// Initializes the StateStore when session restore is complete, for example when
17// page load notifications are not sent ("Continue where I left off").
18// http://crbug.com/230481
19class StateStoreNotificationObserver : public content::NotificationObserver {
20 public:
21  explicit StateStoreNotificationObserver(StateStore* state_store);
22  virtual ~StateStoreNotificationObserver();
23
24  // content::NotificationObserver overrides:
25  virtual void Observe(int type,
26                       const content::NotificationSource& source,
27                       const content::NotificationDetails& details) OVERRIDE;
28
29 private:
30  StateStore* state_store_;  // Not owned.
31  content::NotificationRegistrar registrar_;
32
33  DISALLOW_COPY_AND_ASSIGN(StateStoreNotificationObserver);
34};
35
36}  // namespace extensions
37
38#endif  // CHROME_BROWSER_EXTENSIONS_STATE_STORE_NOTIFICATION_OBSERVER_H_
39