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_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
6#define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
7
8#include "base/memory/scoped_ptr.h"
9#include "base/observer_list.h"
10#include "base/prefs/pref_store.h"
11#include "chrome/browser/supervised_user/supervised_users.h"
12
13namespace base {
14class DictionaryValue;
15class Value;
16}
17
18class PrefValueMap;
19class SupervisedUserSettingsService;
20
21// A PrefStore that gets its values from supervised user settings via the
22// SupervisedUserSettingsService passed in at construction.
23class SupervisedUserPrefStore : public PrefStore {
24 public:
25  SupervisedUserPrefStore(
26      SupervisedUserSettingsService* supervised_user_settings_service);
27
28  // PrefStore overrides:
29  virtual bool GetValue(const std::string& key,
30                        const base::Value** value) const OVERRIDE;
31  virtual void AddObserver(PrefStore::Observer* observer) OVERRIDE;
32  virtual void RemoveObserver(PrefStore::Observer* observer) OVERRIDE;
33  virtual bool HasObservers() const OVERRIDE;
34  virtual bool IsInitializationComplete() const OVERRIDE;
35
36 private:
37  virtual ~SupervisedUserPrefStore();
38
39  void OnNewSettingsAvailable(const base::DictionaryValue* settings);
40
41  scoped_ptr<PrefValueMap> prefs_;
42
43  ObserverList<PrefStore::Observer, true> observers_;
44
45  base::WeakPtrFactory<SupervisedUserPrefStore> weak_ptr_factory_;
46};
47
48#endif  // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
49