| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_USER_ADDING_SCREEN_H_ |
| #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_ADDING_SCREEN_H_ |
| |
| #include "base/basictypes.h" |
| |
| namespace chromeos { |
| |
| // An interface that defines screen for adding users into multi-profile session. |
| // Current implementation is a singleton. |
| // TODO(dzhioev): get rid of singleton. |
| class UserAddingScreen { |
| public: |
| struct Observer { |
| virtual void OnUserAddingStarted() {} |
| virtual void OnUserAddingFinished() {} |
| virtual ~Observer() {} |
| }; |
| |
| static UserAddingScreen* Get(); |
| |
| virtual void Start() = 0; |
| virtual void Cancel() = 0; |
| virtual bool IsRunning() = 0; |
| |
| virtual void AddObserver(Observer* observer) = 0; |
| virtual void RemoveObserver(Observer* observer) = 0; |
| |
| protected: |
| UserAddingScreen(); |
| virtual ~UserAddingScreen(); |
| |
| DISALLOW_COPY_AND_ASSIGN(UserAddingScreen); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_LOGIN_USER_ADDING_SCREEN_H_ |
| |