ios/chrome/browser/signin/account_tracker_service_factory.h

   1 // Copyright 2015 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 IOS_CHROME_BROWSER_SIGNIN_ACCOUNT_TRACKER_SERVICE_FACTORY_H_
   6 #define IOS_CHROME_BROWSER_SIGNIN_ACCOUNT_TRACKER_SERVICE_FACTORY_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "components/keyed_service/ios/browser_state_keyed_service_factory.h"
  11
  12 class AccountTrackerService;
  13 template <typename T>
  14 struct DefaultSingletonTraits;
  15
  16 namespace ios {
  17
  18 class ChromeBrowserState;
  19
  20 // Singleton that owns all AccountTrackerServices and associates them with
  21 // ios::ChromeBrowserState.
  22 class AccountTrackerServiceFactory : public BrowserStateKeyedServiceFactory {
  23  public:
  24   // Returns the instance of AccountTrackerService associated with this
  25   // browser state (creating one if none exists). Returns nullptr if this
  26   // browser state cannot have a AccountTrackerService (for example, if
  27   // |browser_state| is incognito).
  28   static AccountTrackerService* GetForBrowserState(
  29       ios::ChromeBrowserState* browser_state);
  30
  31   // Returns the instance of the AccountTrackerServiceFactory singleton.
  32   static AccountTrackerServiceFactory* GetInstance();
  33
  34  private:
  35   friend struct DefaultSingletonTraits<AccountTrackerServiceFactory>;
  36
  37   AccountTrackerServiceFactory();
  38   ~AccountTrackerServiceFactory() override;
  39
  40   // BrowserStateKeyedServiceFactory implementation.
  41   void RegisterBrowserStatePrefs(
  42       user_prefs::PrefRegistrySyncable* registry) override;
  43   scoped_ptr<KeyedService> BuildServiceInstanceFor(
  44       web::BrowserState* context) const override;
  45
  46   DISALLOW_COPY_AND_ASSIGN(AccountTrackerServiceFactory);
  47 };
  48
  49 }  // namespace ios
  50
  51 #endif  // IOS_CHROME_BROWSER_SIGNIN_ACCOUNT_TRACKER_SERVICE_FACTORY_H_