chrome/browser/chromeos/login/signin/auth_sync_observer_factory.h

   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_CHROMEOS_LOGIN_SIGNIN_AUTH_SYNC_OBSERVER_FACTORY_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_AUTH_SYNC_OBSERVER_FACTORY_H_
   7
   8 #include "base/memory/singleton.h"
   9 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  10
  11 class Profile;
  12
  13 namespace chromeos {
  14
  15 class AuthSyncObserver;
  16
  17 // Singleton that owns all AuthSyncObserver and associates them with
  18 // Profiles. Listens for the Profile's destruction notification and cleans up
  19 // the associated AuthSyncObserver.
  20 class AuthSyncObserverFactory
  21     : public BrowserContextKeyedServiceFactory {
  22  public:
  23   // Returns the instance of AuthSyncObserver associated with this
  24   // |profile| (creates one if none exists).
  25   static AuthSyncObserver* GetForProfile(Profile* profile);
  26
  27   // Returns an instance of the AuthSyncObserverFactory singleton.
  28   static AuthSyncObserverFactory* GetInstance();
  29
  30  private:
  31   friend struct DefaultSingletonTraits<AuthSyncObserverFactory>;
  32
  33   AuthSyncObserverFactory();
  34   ~AuthSyncObserverFactory() override;
  35
  36   // BrowserContextKeyedServiceFactory implementation.
  37   KeyedService* BuildServiceInstanceFor(
  38       content::BrowserContext* context) const override;
  39
  40   DISALLOW_COPY_AND_ASSIGN(AuthSyncObserverFactory);
  41 };
  42
  43 }  // namespace chromeos
  44
  45 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SIGNIN_AUTH_SYNC_OBSERVER_FACTORY_H_