chrome/browser/ui/webui/signin/login_ui_service_factory.h

   1 // Copyright (c) 2012 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_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_FACTORY_H_
   6 #define CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_FACTORY_H_
   7
   8 #include "base/memory/singleton.h"
   9 #include "components/keyed_service/content/browser_context_keyed_service_factory.h"
  10
  11 class LoginUIService;
  12 class Profile;
  13
  14 // Singleton that owns all LoginUIServices and associates them with
  15 // Profiles. Listens for the Profile's destruction notification and cleans up
  16 // the associated LoginUIService.
  17 class LoginUIServiceFactory : public BrowserContextKeyedServiceFactory {
  18  public:
  19   // Returns the instance of LoginUIService associated with this profile
  20   // (creating one if none exists). Returns NULL if this profile cannot have a
  21   // LoginUIService (for example, if |profile| is incognito).
  22   static LoginUIService* GetForProfile(Profile* profile);
  23
  24   // Returns an instance of the LoginUIServiceFactory singleton.
  25   static LoginUIServiceFactory* GetInstance();
  26
  27   // Helper method that returns a closure displaying the login popup for
  28   // |profile|.
  29   // This closure must not be called after the LoginUIService is destroyed.
  30   static base::Closure GetShowLoginPopupCallbackForProfile(Profile* profile);
  31
  32  private:
  33   friend struct base::DefaultSingletonTraits<LoginUIServiceFactory>;
  34
  35   LoginUIServiceFactory();
  36   ~LoginUIServiceFactory() override;
  37
  38   // BrowserContextKeyedServiceFactory:
  39   KeyedService* BuildServiceInstanceFor(
  40       content::BrowserContext* profile) const override;
  41
  42   DISALLOW_COPY_AND_ASSIGN(LoginUIServiceFactory);
  43 };
  44
  45 #endif  // CHROME_BROWSER_UI_WEBUI_SIGNIN_LOGIN_UI_SERVICE_FACTORY_H_