base/prefs/pref_notifier.h

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