| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_PREFS_TRACKED_TRACKED_SPLIT_PREFERENCE_H_ |
| #define CHROME_BROWSER_PREFS_TRACKED_TRACKED_SPLIT_PREFERENCE_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "chrome/browser/prefs/tracked/pref_hash_filter.h" |
| #include "chrome/browser/prefs/tracked/tracked_preference.h" |
| #include "chrome/browser/prefs/tracked/tracked_preference_helper.h" |
| |
| class TrackedPreferenceValidationDelegate; |
| |
| // A TrackedSplitPreference must be tracking a dictionary pref. Each top-level |
| // entry in its dictionary is tracked and enforced independently. An optional |
| // delegate is notified of the status of the preference during enforcement. |
| // Note: preferences using this strategy must be kept in sync with |
| // TrackedSplitPreferences in histograms.xml. |
| class TrackedSplitPreference : public TrackedPreference { |
| public: |
| // Constructs a TrackedSplitPreference. |pref_path| must be a dictionary pref. |
| TrackedSplitPreference(const std::string& pref_path, |
| size_t reporting_id, |
| size_t reporting_ids_count, |
| PrefHashFilter::EnforcementLevel enforcement_level, |
| TrackedPreferenceValidationDelegate* delegate); |
| |
| // TrackedPreference implementation. |
| void OnNewValue(const base::Value* value, |
| PrefHashStoreTransaction* transaction) const override; |
| bool EnforceAndReport(base::DictionaryValue* pref_store_contents, |
| PrefHashStoreTransaction* transaction) const override; |
| |
| private: |
| const std::string pref_path_; |
| const TrackedPreferenceHelper helper_; |
| TrackedPreferenceValidationDelegate* delegate_; |
| |
| DISALLOW_COPY_AND_ASSIGN(TrackedSplitPreference); |
| }; |
| |
| #endif // CHROME_BROWSER_PREFS_TRACKED_TRACKED_SPLIT_PREFERENCE_H_ |