chrome/browser/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 CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCE_VALIDATION_DELEGATE_H_
   6 #define CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCE_VALIDATION_DELEGATE_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "chrome/browser/prefs/pref_hash_store_transaction.h"
  12 #include "chrome/browser/prefs/tracked/tracked_preference_helper.h"
  13
  14 namespace base {
  15 class DictionaryValue;
  16 class Value;
  17 }
  18
  19 // A TrackedPreferenceValidationDelegate is notified of the results of each
  20 // tracked preference validation event.
  21 class TrackedPreferenceValidationDelegate {
  22  public:
  23   virtual ~TrackedPreferenceValidationDelegate() {}
  24
  25   // Notifies observes of the result (|value_state|) of checking the atomic
  26   // |value| at |pref_path|. |reset_action| indicates whether or not a reset
  27   // will occur based on |value_state| and the enforcement level in place.
  28   virtual void OnAtomicPreferenceValidation(
  29       const std::string& pref_path,
  30       const base::Value* value,
  31       PrefHashStoreTransaction::ValueState value_state,
  32       TrackedPreferenceHelper::ResetAction reset_action) = 0;
  33
  34   // Notifies observes of the result (|value_state|) of checking the split
  35   // |dict_value| at |pref_path|. |reset_action| indicates whether or not a
  36   // reset of |value_keys| will occur based on |value_state| and the enforcement
  37   // level in place.
  38   virtual void OnSplitPreferenceValidation(
  39       const std::string& pref_path,
  40       const base::DictionaryValue* dict_value,
  41       const std::vector<std::string>& invalid_keys,
  42       PrefHashStoreTransaction::ValueState value_state,
  43       TrackedPreferenceHelper::ResetAction reset_action) = 0;
  44 };
  45
  46 #endif  // CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCE_VALIDATION_DELEGATE_H_