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_PREFS_TRACKED_DICTIONARY_HASH_STORE_CONTENTS_H_
6#define CHROME_BROWSER_PREFS_TRACKED_DICTIONARY_HASH_STORE_CONTENTS_H_
7
8#include "base/compiler_specific.h"
9#include "base/macros.h"
10#include "chrome/browser/prefs/tracked/hash_store_contents.h"
11
12namespace base {
13class DictionaryValue;
14}  // namespace base
15
16namespace user_prefs {
17class PrefRegistrySyncable;
18}  // namespace user_prefs
19
20// Implements HashStoreContents by storing MACs in a DictionaryValue. The
21// DictionaryValue is presumed to be the contents of a PrefStore.
22// RegisterProfilePrefs() may be used to register all of the preferences used by
23// this object.
24class DictionaryHashStoreContents : public HashStoreContents {
25 public:
26  // Constructs a DictionaryHashStoreContents that reads from and writes to
27  // |storage|.
28  explicit DictionaryHashStoreContents(base::DictionaryValue* storage);
29
30  // Registers required preferences.
31  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
32
33  // HashStoreContents implementation
34  virtual std::string hash_store_id() const OVERRIDE;
35  virtual void Reset() OVERRIDE;
36  virtual bool IsInitialized() const OVERRIDE;
37  virtual const base::DictionaryValue* GetContents() const OVERRIDE;
38  virtual scoped_ptr<MutableDictionary> GetMutableContents() OVERRIDE;
39  virtual std::string GetSuperMac() const OVERRIDE;
40  virtual void SetSuperMac(const std::string& super_mac) OVERRIDE;
41
42 private:
43  base::DictionaryValue* storage_;
44
45  DISALLOW_COPY_AND_ASSIGN(DictionaryHashStoreContents);
46};
47
48#endif  // CHROME_BROWSER_PREFS_TRACKED_DICTIONARY_HASH_STORE_CONTENTS_H_
49