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      1 // Copyright (c) 2013 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_PREDICTORS_LOGGED_IN_PREDICTOR_TABLE_H_
      6 #define CHROME_BROWSER_PREDICTORS_LOGGED_IN_PREDICTOR_TABLE_H_
      7 
      8 #include <string>
      9 
     10 #include "base/containers/hash_tables.h"
     11 #include "base/time/time.h"
     12 #include "chrome/browser/predictors/predictor_table_base.h"
     13 #include "url/gurl.h"
     14 
     15 namespace sql {
     16 class Statement;
     17 }
     18 
     19 namespace predictors {
     20 
     21 // Interface for database table to keep track of what sites a user is logged
     22 // in to.
     23 // All methods except the constructor and destructor need to be called on the DB
     24 // thread.
     25 // Manages one table { domain (primary key), added_timestamp }.
     26 class LoggedInPredictorTable : public PredictorTableBase {
     27  public:
     28   typedef base::hash_map<std::string, int64> LoggedInStateMap;
     29 
     30   // Adds the relevant part of the domain of the URL provided to the database
     31   // as the user having performed a login action.
     32   void AddDomainFromURL(const GURL& url);
     33   // Deletes a record for the domain corresponding to the URL provided.
     34   void DeleteDomainFromURL(const GURL& url);
     35   // Deletes a record for the domain provided.
     36   void DeleteDomain(const std::string& domain);
     37   // Checks whether for the relevant part of the domain of the URL provided,
     38   // the user has performed a login action in the past.
     39   void HasUserLoggedIn(const GURL& url, bool* is_present,
     40                        bool* lookup_succeeded);
     41   void DeleteAllCreatedBetween(const base::Time& delete_begin,
     42                                const base::Time& delete_end);
     43   void GetAllData(LoggedInStateMap* state_map);
     44 
     45   static std::string GetKey(const GURL& url);
     46   static std::string GetKeyFromDomain(const std::string& domain);
     47 
     48  private:
     49   friend class PredictorDatabaseInternal;
     50 
     51   LoggedInPredictorTable();
     52   virtual ~LoggedInPredictorTable();
     53 
     54   // PredictorTableBase methods.
     55   virtual void CreateTableIfNonExistent() OVERRIDE;
     56   virtual void LogDatabaseStats() OVERRIDE;
     57 
     58   DISALLOW_COPY_AND_ASSIGN(LoggedInPredictorTable);
     59 };
     60 
     61 }  // namespace predictors
     62 
     63 #endif  // CHROME_BROWSER_PREDICTORS_LOGGED_IN_PREDICTOR_TABLE_H_
     64