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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
#define CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
#include <string>
#include "base/callback_list.h"
#include "base/memory/scoped_ptr.h"
#include "base/observer_list.h"
#include "base/prefs/pref_store.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/supervised_user/supervised_users.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace base {
class DictionaryValue;
class Value;
}
class PrefValueMap;
class SupervisedUserSettingsService;
// A PrefStore that gets its values from supervised user settings via the
// SupervisedUserSettingsService passed in at construction.
class SupervisedUserPrefStore : public PrefStore,
public content::NotificationObserver {
public:
SupervisedUserPrefStore(
SupervisedUserSettingsService* supervised_user_settings_service);
// PrefStore overrides:
bool GetValue(const std::string& key,
const base::Value** value) const override;
void AddObserver(PrefStore::Observer* observer) override;
void RemoveObserver(PrefStore::Observer* observer) override;
bool HasObservers() const override;
bool IsInitializationComplete() const override;
// NotificationObserver implementation.
void Observe(int type,
const content::NotificationSource& src,
const content::NotificationDetails& details) override;
private:
~SupervisedUserPrefStore() override;
void OnNewSettingsAvailable(const base::DictionaryValue* settings);
scoped_ptr<base::CallbackList<void(
const base::DictionaryValue*)>::Subscription> user_settings_subscription_;
content::NotificationRegistrar unsubscriber_registrar_;
scoped_ptr<PrefValueMap> prefs_;
base::ObserverList<PrefStore::Observer, true> observers_;
};
#endif // CHROME_BROWSER_SUPERVISED_USER_SUPERVISED_USER_PREF_STORE_H_
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