components/user_prefs/tracked/tracked_preference_validation_delegate.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 COMPONENTS_USER_PREFS_TRACKED_TRACKED_PREFERENCE_VALIDATION_DELEGATE_H_
   6 #define COMPONENTS_USER_PREFS_TRACKED_TRACKED_PREFERENCE_VALIDATION_DELEGATE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "components/user_prefs/tracked/pref_hash_store_transaction.h"
  12
  13 namespace base {
  14 class DictionaryValue;
  15 class Value;
  16 }
  17
  18 // A TrackedPreferenceValidationDelegate is notified of the results of each
  19 // tracked preference validation event.
  20 class TrackedPreferenceValidationDelegate {
  21  public:
  22   virtual ~TrackedPreferenceValidationDelegate() {}
  23
  24   // Notifies observes of the result (|value_state|) of checking the atomic
  25   // |value| (which may be NULL) at |pref_path|. |is_personal| indicates whether
  26   // or not the value may contain personal information.
  27   virtual void OnAtomicPreferenceValidation(
  28       const std::string& pref_path,
  29       const base::Value* value,
  30       PrefHashStoreTransaction::ValueState value_state,
  31       bool is_personal) = 0;
  32
  33   // Notifies observes of the result (|value_state|) of checking the split
  34   // |dict_value| (which may be NULL) at |pref_path|. |is_personal| indicates
  35   // whether or not the value may contain personal information.
  36   virtual void OnSplitPreferenceValidation(
  37       const std::string& pref_path,
  38       const base::DictionaryValue* dict_value,
  39       const std::vector<std::string>& invalid_keys,
  40       PrefHashStoreTransaction::ValueState value_state,
  41       bool is_personal) = 0;
  42 };
  43
  44 #endif  // COMPONENTS_USER_PREFS_TRACKED_TRACKED_PREFERENCE_VALIDATION_DELEGATE_H_