extensions/browser/extension_pref_store.h

   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.
  16 class 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   void OnInitializationCompleted() override;
  25   void OnPrefValueChanged(const std::string& key) override;
  26   void OnExtensionPrefValueMapDestruction() override;
  27
  28  protected:
  29   ~ExtensionPrefStore() override;
  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_