1// Copyright (c) 2010 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_PREFS_PREF_NOTIFIER_H_
6#define CHROME_BROWSER_PREFS_PREF_NOTIFIER_H_
7#pragma once
8
9#include <string>
10
11// Delegate interface used by PrefValueStore to notify its owner about changes
12// to the preference values.
13// TODO(mnissler, danno): Move this declaration to pref_value_store.h once we've
14// cleaned up all public uses of this interface.
15class PrefNotifier {
16 public:
17  virtual ~PrefNotifier() {}
18
19  // Sends out a change notification for the preference identified by
20  // |pref_name|.
21  virtual void OnPreferenceChanged(const std::string& pref_name) = 0;
22
23  // Broadcasts the intialization completed notification.
24  virtual void OnInitializationCompleted() = 0;
25};
26
27#endif  // CHROME_BROWSER_PREFS_PREF_NOTIFIER_H_
28