src/chrome/browser/chromeos/login/screens/error_screen.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_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/screens/base_screen.h"
  13 #include "chrome/browser/chromeos/login/screens/error_screen_actor_delegate.h"
  14 #include "chrome/browser/chromeos/login/ui/oobe_display.h"
  15 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  16 #include "chromeos/login/auth/login_performer.h"
  17
  18 namespace chromeos {
  19
  20 class BaseScreenDelegate;
  21
  22 // Controller for the error screen.
  23 class ErrorScreen : public BaseScreen,
  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_NONE,
  45     // States above are being logged to histograms.
  46     // Please keep ERROR_STATE_NONE as the last one of the histogram values.
  47     ERROR_STATE_KIOSK_ONLINE,
  48   };
  49
  50   ErrorScreen(BaseScreenDelegate* base_screen_delegate,
  51               ErrorScreenActor* actor);
  52   virtual ~ErrorScreen();
  53
  54   // BaseScreen implementation.
  55   virtual void PrepareToShow() override;
  56   virtual void Show() override;
  57   virtual void Hide() override;
  58   virtual std::string GetName() const override;
  59
  60   // ErrorScreenActorDelegate implementation:
  61   virtual void OnErrorShow() override;
  62   virtual void OnErrorHide() override;
  63   virtual void OnLaunchOobeGuestSession() override;
  64   virtual void OnActorDestroyed() override;
  65
  66   // LoginPerformer::Delegate implementation:
  67   virtual void OnAuthFailure(const AuthFailure& error) override;
  68   virtual void OnAuthSuccess(const UserContext& user_context) override;
  69   virtual void OnOffTheRecordAuthSuccess() override;
  70   virtual void OnPasswordChangeDetected() override;
  71   virtual void WhiteListCheckFailed(const std::string& email) override;
  72   virtual void PolicyLoadFailed() override;
  73   virtual void OnOnlineChecked(const std::string& username,
  74                                bool success) override;
  75
  76   // Initializes captive portal dialog and shows that if needed.
  77   void FixCaptivePortal();
  78
  79   // Shows captive portal dialog.
  80   void ShowCaptivePortal();
  81
  82   // Hides captive portal dialog.
  83   void HideCaptivePortal();
  84
  85   // Sets current UI state.
  86   void SetUIState(UIState ui_state);
  87
  88   UIState GetUIState() const;
  89
  90   // Sets current error screen content according to current UI state,
  91   // |error_state|, and |network|.
  92   void SetErrorState(ErrorState error_state, const std::string& network);
  93
  94   ErrorState GetErrorState() const;
  95
  96   // Toggles the guest sign-in prompt.
  97   void AllowGuestSignin(bool allow);
  98
  99   // Toggles the connection pending indicator.
 100   void ShowConnectingIndicator(bool show);
 101
 102   void set_parent_screen(OobeDisplay::Screen parent_screen) {
 103     parent_screen_ = parent_screen;
 104   }
 105   OobeDisplay::Screen parent_screen() const { return parent_screen_; }
 106
 107  private:
 108   // Handles the response of an ownership check and starts the guest session if
 109   // applicable.
 110   void StartGuestSessionAfterOwnershipCheck(
 111       DeviceSettingsService::OwnershipStatus ownership_status);
 112
 113   ErrorScreenActor* actor_;
 114
 115   OobeDisplay::Screen parent_screen_;
 116
 117   scoped_ptr<LoginPerformer> guest_login_performer_;
 118
 119   base::WeakPtrFactory<ErrorScreen> weak_factory_;
 120
 121   DISALLOW_COPY_AND_ASSIGN(ErrorScreen);
 122 };
 123
 124 }  // namespace chromeos
 125
 126 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_ERROR_SCREEN_H_