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 EXTENSIONS_BROWSER_EXTENSION_PREF_STORE_H_
6#define EXTENSIONS_BROWSER_EXTENSION_PREF_STORE_H_
7
8#include <string>
9
10#include "base/prefs/value_map_pref_store.h"
11#include "extensions/browser/extension_pref_value_map.h"
12
13// A (non-persistent) PrefStore implementation that holds effective preferences
14// set by extensions. These preferences are managed by and fetched from an
15// ExtensionPrefValueMap.
16class ExtensionPrefStore : public ValueMapPrefStore,
17                           public ExtensionPrefValueMap::Observer {
18 public:
19  // Constructs an ExtensionPrefStore for a regular or an incognito profile.
20  ExtensionPrefStore(ExtensionPrefValueMap* extension_pref_value_map,
21                     bool incognito_pref_store);
22
23  // Overrides for ExtensionPrefValueMap::Observer:
24  virtual void OnInitializationCompleted() OVERRIDE;
25  virtual void OnPrefValueChanged(const std::string& key) OVERRIDE;
26  virtual void OnExtensionPrefValueMapDestruction() OVERRIDE;
27
28 protected:
29  virtual ~ExtensionPrefStore();
30
31 private:
32  ExtensionPrefValueMap* extension_pref_value_map_;  // Weak pointer.
33  bool incognito_pref_store_;
34
35  DISALLOW_COPY_AND_ASSIGN(ExtensionPrefStore);
36};
37
38#endif  // EXTENSIONS_BROWSER_EXTENSION_PREF_STORE_H_
39