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 namespace base {
  13 template <typename T>
  14 struct DefaultSingletonTraits;
  15 }
  16
  17 class AccountConsistencyService;
  18
  19 namespace ios {
  20
  21 class ChromeBrowserState;
  22
  23 // Singleton that owns the AccountConsistencyService(s) and associates them with
  24 // browser states.
  25 class AccountConsistencyServiceFactory
  26     : public BrowserStateKeyedServiceFactory {
  27  public:
  28   // Returns the instance of AccountConsistencyService associated with this
  29   // browser state (creating one if none exists). Returns null if this browser
  30   // state cannot have an AccountConsistencyService (for example, if it is
  31   // incognito or if WKWebView is not enabled).
  32   static AccountConsistencyService* GetForBrowserState(
  33       ios::ChromeBrowserState* browser_state);
  34
  35   // Returns an instance of the factory singleton.
  36   static AccountConsistencyServiceFactory* GetInstance();
  37
  38  private:
  39   friend struct base::DefaultSingletonTraits<AccountConsistencyServiceFactory>;
  40
  41   AccountConsistencyServiceFactory();
  42   ~AccountConsistencyServiceFactory() override;
  43
  44   // BrowserStateKeyedServiceFactory:
  45   void RegisterBrowserStatePrefs(
  46       user_prefs::PrefRegistrySyncable* registry) override;
  47   scoped_ptr<KeyedService> BuildServiceInstanceFor(
  48       web::BrowserState* context) const override;
  49   bool ServiceIsCreatedWithBrowserState() const override;
  50
  51   DISALLOW_COPY_AND_ASSIGN(AccountConsistencyServiceFactory);
  52 };
  53
  54 }  // namespace ios
  55
  56 #endif  // IOS_CHROME_BROWSER_SIGNIN_ACCOUNT_CONSISTENCY_SERVICE_FACTORY_H_