ios/chrome/browser/signin/about_signin_internals_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_ABOUT_SIGNIN_INTERNALS_FACTORY_H_
   6 #define IOS_CHROME_BROWSER_SIGNIN_ABOUT_SIGNIN_INTERNALS_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 AboutSigninInternals;
  15
  16 namespace ios {
  17
  18 class ChromeBrowserState;
  19
  20 // Singleton that owns all AboutSigninInternals and associates them with browser
  21 // states.
  22 class AboutSigninInternalsFactory : public BrowserStateKeyedServiceFactory {
  23  public:
  24   // Returns the instance of AboutSigninInternals associated with this browser
  25   // state, creating one if none exists.
  26   static AboutSigninInternals* GetForBrowserState(
  27       ios::ChromeBrowserState* browser_state);
  28
  29   // Returns an instance of the AboutSigninInternalsFactory singleton.
  30   static AboutSigninInternalsFactory* GetInstance();
  31
  32  private:
  33   friend struct DefaultSingletonTraits<AboutSigninInternalsFactory>;
  34
  35   AboutSigninInternalsFactory();
  36   ~AboutSigninInternalsFactory() override;
  37
  38   // BrowserStateKeyedServiceFactory:
  39   scoped_ptr<KeyedService> BuildServiceInstanceFor(
  40       web::BrowserState* context) const override;
  41   void RegisterBrowserStatePrefs(
  42       user_prefs::PrefRegistrySyncable* registry) override;
  43
  44   DISALLOW_COPY_AND_ASSIGN(AboutSigninInternalsFactory);
  45 };
  46
  47 }  // namespace ios
  48
  49 #endif  // IOS_CHROME_BROWSER_SIGNIN_ABOUT_SIGNIN_INTERNALS_FACTORY_H_