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_SEARCH_SUGGESTIONS_SUGGESTIONS_STORE_H_ 6 #define CHROME_BROWSER_SEARCH_SUGGESTIONS_SUGGESTIONS_STORE_H_ 7 8 #include "base/macros.h" 9 #include "chrome/browser/search/suggestions/proto/suggestions.pb.h" 10 11 class PrefService; 12 13 namespace user_prefs { 14 class PrefRegistrySyncable; 15 } // namespace user_prefs 16 17 namespace suggestions { 18 19 // A helper class for reading and writing the suggestions to the profile's 20 // preference file. 21 class SuggestionsStore { 22 public: 23 explicit SuggestionsStore(PrefService* profile_prefs); 24 virtual ~SuggestionsStore(); 25 26 // Loads the suggestion data from the profile's preferences into 27 // |suggestions|. If there is a problem with loading, the pref value is 28 // cleared, false is returned and |suggestions| is cleared. If successful, 29 // |suggestions| will contain the loaded data and true is returned. 30 virtual bool LoadSuggestions(SuggestionsProfile* suggestions); 31 32 // Stores the provided |suggestions| to the profile's preferences, using 33 // a base64 encoding of its protobuf serialization. 34 virtual bool StoreSuggestions(const SuggestionsProfile& suggestions); 35 36 // Clears any suggestion data from the profile's preferences. 37 virtual void ClearSuggestions(); 38 39 // Register SuggestionsStore related prefs in the Profile prefs. 40 static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry); 41 42 protected: 43 // Test seam. For simplicity of mock creation. 44 SuggestionsStore() {} 45 46 private: 47 // The pref service used to persist the suggestions data. 48 PrefService* pref_service_; 49 50 DISALLOW_COPY_AND_ASSIGN(SuggestionsStore); 51 }; 52 53 } // namespace suggestions 54 55 #endif // CHROME_BROWSER_SEARCH_SUGGESTIONS_SUGGESTIONS_STORE_H_ 56
