ios/chrome/browser/signin/account_consistency_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_CONSISTENCY_SERVICE_FACTORY_H_
   6 #define IOS_CHROME_BROWSER_SIGNIN_ACCOUNT_CONSISTENCY_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 template <typename T>
  13 struct DefaultSingletonTraits;
  14 class AccountConsistencyService;
  15
  16 namespace ios {
  17
  18 class ChromeBrowserState;
  19
  20 // Singleton that owns the AccountConsistencyService(s) and associates them with
  21 // browser states.
  22 class AccountConsistencyServiceFactory
  23     : public BrowserStateKeyedServiceFactory {
  24  public:
  25   // Returns the instance of AccountConsistencyService associated with this
  26   // browser state (creating one if none exists). Returns null if this browser
  27   // state cannot have an AccountConsistencyService (for example, if it is
  28   // incognito or if WKWebView is not enabled).
  29   static AccountConsistencyService* GetForBrowserState(
  30       ios::ChromeBrowserState* browser_state);
  31
  32   // Returns an instance of the factory singleton.
  33   static AccountConsistencyServiceFactory* GetInstance();
  34
  35  private:
  36   friend struct DefaultSingletonTraits<AccountConsistencyServiceFactory>;
  37
  38   AccountConsistencyServiceFactory();
  39   ~AccountConsistencyServiceFactory() override;
  40
  41   // BrowserStateKeyedServiceFactory:
  42   void RegisterBrowserStatePrefs(
  43       user_prefs::PrefRegistrySyncable* registry) override;
  44   scoped_ptr<KeyedService> BuildServiceInstanceFor(
  45       web::BrowserState* context) const override;
  46   bool ServiceIsCreatedWithBrowserState() const override;
  47
  48   DISALLOW_COPY_AND_ASSIGN(AccountConsistencyServiceFactory);
  49 };
  50
  51 }  // namespace ios
  52
  53 #endif  // IOS_CHROME_BROWSER_SIGNIN_ACCOUNT_CONSISTENCY_SERVICE_FACTORY_H_