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_CHROMEOS_LOGIN_SCREEN_MANAGER_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_MANAGER_H_ 7 8 #include <map> 9 #include <string> 10 11 #include "base/macros.h" 12 #include "base/memory/linked_ptr.h" 13 #include "chrome/browser/chromeos/login/screens/wizard_screen.h" 14 15 namespace chromeos { 16 17 // Class that manages creation and ownership of screens. 18 class ScreenManager { 19 public: 20 ScreenManager(); 21 virtual ~ScreenManager(); 22 23 // Getter for screen with lazy initialization. 24 WizardScreen* GetScreen(const std::string& screen_name); 25 26 // Factory for screen instances. 27 virtual WizardScreen* CreateScreen(const std::string& screen_name) = 0; 28 29 bool HasScreen(const std::string& screen_name); 30 31 private: 32 FRIEND_TEST_ALL_PREFIXES(EnrollmentScreenTest, TestCancel); 33 FRIEND_TEST_ALL_PREFIXES(WizardControllerFlowTest, Accelerators); 34 friend class WizardControllerFlowTest; 35 friend class WizardControllerOobeResumeTest; 36 friend class WizardInProcessBrowserTest; 37 friend class WizardControllerBrokenLocalStateTest; 38 39 // Screens. 40 typedef std::map<std::string, linked_ptr<WizardScreen> > ScreenMap; 41 ScreenMap screens_; 42 43 DISALLOW_COPY_AND_ASSIGN(ScreenManager); 44 }; 45 46 } // namespace chromeos 47 48 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_SCREEN_MANAGER_H_ 49
