chrome/browser/supervised_user/supervised_user_pref_store.h

   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
  13 namespace base {
  14 class DictionaryValue;
  15 class Value;
  16 }
  17
  18 class PrefValueMap;
  19 class SupervisedUserSettingsService;
  20
  21 // A PrefStore that gets its values from supervised user settings via the
  22 // SupervisedUserSettingsService passed in at construction.
  23 class 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_