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_SCREENS_ERROR_SCREEN_H_ 6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_ERROR_SCREEN_H_ 7 8 #include "base/basictypes.h" 9 #include "base/compiler_specific.h" 10 #include "base/memory/scoped_ptr.h" 11 #include "base/memory/weak_ptr.h" 12 #include "chrome/browser/chromeos/login/auth/login_performer.h" 13 #include "chrome/browser/chromeos/login/screens/error_screen_actor_delegate.h" 14 #include "chrome/browser/chromeos/login/screens/wizard_screen.h" 15 #include "chrome/browser/chromeos/login/ui/oobe_display.h" 16 #include "chrome/browser/chromeos/settings/device_settings_service.h" 17 18 namespace chromeos { 19 20 class ScreenObserver; 21 22 // Controller for the error screen. 23 class ErrorScreen : public WizardScreen, 24 public ErrorScreenActorDelegate, 25 public LoginPerformer::Delegate { 26 public: 27 enum UIState { 28 UI_STATE_UNKNOWN = 0, 29 UI_STATE_UPDATE, 30 UI_STATE_SIGNIN, 31 UI_STATE_SUPERVISED, 32 UI_STATE_KIOSK_MODE, 33 UI_STATE_LOCAL_STATE_ERROR, 34 UI_STATE_AUTO_ENROLLMENT_ERROR, 35 UI_STATE_ROLLBACK_ERROR, 36 }; 37 38 enum ErrorState { 39 ERROR_STATE_UNKNOWN = 0, 40 ERROR_STATE_PORTAL, 41 ERROR_STATE_OFFLINE, 42 ERROR_STATE_PROXY, 43 ERROR_STATE_AUTH_EXT_TIMEOUT, 44 ERROR_STATE_KIOSK_ONLINE 45 }; 46 47 ErrorScreen(ScreenObserver* screen_observer, ErrorScreenActor* actor); 48 virtual ~ErrorScreen(); 49 50 // WizardScreen implementation. 51 virtual void PrepareToShow() OVERRIDE; 52 virtual void Show() OVERRIDE; 53 virtual void Hide() OVERRIDE; 54 virtual std::string GetName() const OVERRIDE; 55 56 // ErrorScreenActorDelegate implementation: 57 virtual void OnErrorShow() OVERRIDE; 58 virtual void OnErrorHide() OVERRIDE; 59 virtual void OnLaunchOobeGuestSession() OVERRIDE; 60 61 // LoginPerformer::Delegate implementation: 62 virtual void OnAuthFailure(const AuthFailure& error) OVERRIDE; 63 virtual void OnAuthSuccess(const UserContext& user_context) OVERRIDE; 64 virtual void OnOffTheRecordAuthSuccess() OVERRIDE; 65 virtual void OnPasswordChangeDetected() OVERRIDE; 66 virtual void WhiteListCheckFailed(const std::string& email) OVERRIDE; 67 virtual void PolicyLoadFailed() OVERRIDE; 68 virtual void OnOnlineChecked(const std::string& username, 69 bool success) OVERRIDE; 70 71 // Initializes captive portal dialog and shows that if needed. 72 void FixCaptivePortal(); 73 74 // Shows captive portal dialog. 75 void ShowCaptivePortal(); 76 77 // Hides captive portal dialog. 78 void HideCaptivePortal(); 79 80 // Sets current UI state. 81 void SetUIState(UIState ui_state); 82 83 UIState GetUIState() const; 84 85 // Sets current error screen content according to current UI state, 86 // |error_state|, and |network|. 87 void SetErrorState(ErrorState error_state, const std::string& network); 88 89 // Toggles the guest sign-in prompt. 90 void AllowGuestSignin(bool allow); 91 92 // Toggles the connection pending indicator. 93 void ShowConnectingIndicator(bool show); 94 set_parent_screen(OobeDisplay::Screen parent_screen)95 void set_parent_screen(OobeDisplay::Screen parent_screen) { 96 parent_screen_ = parent_screen; 97 } parent_screen()98 OobeDisplay::Screen parent_screen() const { return parent_screen_; } 99 100 private: 101 // Handles the response of an ownership check and starts the guest session if 102 // applicable. 103 void StartGuestSessionAfterOwnershipCheck( 104 DeviceSettingsService::OwnershipStatus ownership_status); 105 106 void* volatile canary_1_; // For debugging of https://crbug.com/396557. 107 ErrorScreenActor* actor_; 108 void* volatile canary_2_; 109 110 OobeDisplay::Screen parent_screen_; 111 112 scoped_ptr<LoginPerformer> guest_login_performer_; 113 114 base::WeakPtrFactory<ErrorScreen> weak_factory_; 115 116 DISALLOW_COPY_AND_ASSIGN(ErrorScreen); 117 }; 118 119 } // namespace chromeos 120 121 #endif // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_ERROR_SCREEN_H_ 122