ios/chrome/browser/signin/signin_manager_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_SIGNIN_MANAGER_FACTORY_H_
   6 #define IOS_CHROME_BROWSER_SIGNIN_SIGNIN_MANAGER_FACTORY_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/observer_list.h"
  11 #include "components/keyed_service/ios/browser_state_keyed_service_factory.h"
  12
  13 namespace base {
  14 template <typename T>
  15 struct DefaultSingletonTraits;
  16 }  // namespace base
  17
  18 class SigninManagerFactoryObserver;
  19 class SigninManager;
  20 class PrefRegistrySimple;
  21
  22 namespace ios {
  23
  24 class ChromeBrowserState;
  25
  26 // Singleton that owns all SigninManagers and associates them with browser
  27 // states.
  28 class SigninManagerFactory : public BrowserStateKeyedServiceFactory {
  29  public:
  30   static SigninManager* GetForBrowserState(
  31       ios::ChromeBrowserState* browser_state);
  32   static SigninManager* GetForBrowserStateIfExists(
  33       ios::ChromeBrowserState* browser_state);
  34
  35   // Returns an instance of the SigninManagerFactory singleton.
  36   static SigninManagerFactory* GetInstance();
  37
  38   // Implementation of BrowserStateKeyedServiceFactory (public so tests
  39   // can call it).
  40   void RegisterBrowserStatePrefs(
  41       user_prefs::PrefRegistrySyncable* registry) override;
  42
  43   // Registers the browser-global prefs used by SigninManager.
  44   static void RegisterPrefs(PrefRegistrySimple* registry);
  45
  46   // Methods to register or remove observers of SigninManager creation/shutdown.
  47   void AddObserver(SigninManagerFactoryObserver* observer);
  48   void RemoveObserver(SigninManagerFactoryObserver* observer);
  49
  50   // Notifies observers of |manager|'s creation. Should be called only by test
  51   // SigninManager subclasses whose construction does not occur in
  52   // |BuildServiceInstanceFor()|.
  53   void NotifyObserversOfSigninManagerCreationForTesting(SigninManager* manager);
  54
  55  private:
  56   friend struct base::DefaultSingletonTraits<SigninManagerFactory>;
  57
  58   SigninManagerFactory();
  59   ~SigninManagerFactory() override;
  60
  61   // List of observers. Checks that list is empty on destruction.
  62   mutable base::ObserverList<SigninManagerFactoryObserver, true> observer_list_;
  63
  64   // BrowserStateKeyedServiceFactory:
  65   scoped_ptr<KeyedService> BuildServiceInstanceFor(
  66       web::BrowserState* context) const override;
  67   void BrowserStateShutdown(web::BrowserState* context) override;
  68 };
  69 }
  70
  71 #endif  // IOS_CHROME_BROWSER_SIGNIN_SIGNIN_MANAGER_FACTORY_H_