1// Copyright (c) 2011 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_DEFAULT_PREF_STORE_H_
6#define CHROME_BROWSER_PREFS_DEFAULT_PREF_STORE_H_
7#pragma once
8
9#include <string>
10
11#include "base/values.h"
12#include "chrome/browser/prefs/value_map_pref_store.h"
13
14// This PrefStore keeps track of default preference values set when a
15// preference is registered with the PrefService.
16class DefaultPrefStore : public ValueMapPrefStore {
17 public:
18  DefaultPrefStore();
19  virtual ~DefaultPrefStore();
20
21  // Stores a new |value| for |key|. Assumes ownership of |value|.
22  void SetDefaultValue(const std::string& key, Value* value);
23
24  // Returns the registered type for |key| or Value::TYPE_NULL if the |key|
25  // has not been registered.
26  Value::ValueType GetType(const std::string& key) const;
27
28 private:
29  DISALLOW_COPY_AND_ASSIGN(DefaultPrefStore);
30};
31
32#endif  // CHROME_BROWSER_PREFS_DEFAULT_PREF_STORE_H_
33