15d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Copyright 2014 The Chromium Authors. All rights reserved. 25d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// found in the LICENSE file. 45d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 55d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#ifndef CHROME_BROWSER_PREFS_TRACKED_TRACKED_ATOMIC_PREFERENCE_H_ 65d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#define CHROME_BROWSER_PREFS_TRACKED_TRACKED_ATOMIC_PREFERENCE_H_ 75d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 85d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include <string> 95d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 105d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/compiler_specific.h" 115d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "base/macros.h" 125d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/browser/prefs/pref_hash_filter.h" 135d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/browser/prefs/tracked/tracked_preference.h" 145d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#include "chrome/browser/prefs/tracked/tracked_preference_helper.h" 155d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 16cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)class TrackedPreferenceValidationDelegate; 17cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) 185d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)// A TrackedAtomicPreference is tracked as a whole. A hash is stored for its 19cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// entire value and it is entirely reset on mismatch. An optional delegate is 20cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles)// notified of the status of the preference during enforcement. 215d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)class TrackedAtomicPreference : public TrackedPreference { 225d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) public: 23cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) TrackedAtomicPreference(const std::string& pref_path, 24cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) size_t reporting_id, 25cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) size_t reporting_ids_count, 26cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) PrefHashFilter::EnforcementLevel enforcement_level, 27cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) TrackedPreferenceValidationDelegate* delegate); 285d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 295d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) // TrackedPreference implementation. 305d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual void OnNewValue(const base::Value* value, 315d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PrefHashStoreTransaction* transaction) const OVERRIDE; 325d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) virtual bool EnforceAndReport( 335d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) base::DictionaryValue* pref_store_contents, 345d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) PrefHashStoreTransaction* transaction) const OVERRIDE; 355d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 365d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) private: 375d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const std::string pref_path_; 385d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) const TrackedPreferenceHelper helper_; 39cedac228d2dd51db4b79ea1e72c7f249408ee061Torne (Richard Coles) TrackedPreferenceValidationDelegate* delegate_; 405d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 415d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) DISALLOW_COPY_AND_ASSIGN(TrackedAtomicPreference); 425d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)}; 435d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles) 445d1f7b1de12d16ceb2c938c56701a3e8bfa558f7Torne (Richard Coles)#endif // CHROME_BROWSER_PREFS_TRACKED_TRACKED_ATOMIC_PREFERENCE_H_ 45