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/network_error.h"
  13 #include "chrome/browser/chromeos/login/screens/network_error_model.h"
  14 #include "chrome/browser/chromeos/login/ui/oobe_display.h"
  15 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  16 #include "chrome/browser/ui/webui/chromeos/login/network_state_informer.h"
  17 #include "chromeos/login/auth/login_performer.h"
  18
  19 namespace chromeos {
  20
  21 class BaseScreenDelegate;
  22 class CaptivePortalWindowProxy;
  23 class NetworkErrorView;
  24
  25 // Controller for the error screen.
  26 class ErrorScreen : public NetworkErrorModel, public LoginPerformer::Delegate {
  27  public:
  28   typedef scoped_ptr<base::CallbackList<void()>::Subscription>
  29       ConnectRequestCallbackSubscription;
  30
  31   ErrorScreen(BaseScreenDelegate* base_screen_delegate, NetworkErrorView* view);
  32   ~ErrorScreen() override;
  33
  34   // NetworkErrorModel:
  35   void PrepareToShow() override;
  36   void Show() override;
  37   void Hide() override;
  38   void OnShow() override;
  39   void OnHide() override;
  40   void OnUserAction(const std::string& action_id) override;
  41   void OnContextKeyUpdated(const ::login::ScreenContext::KeyType& key) override;
  42   void AllowGuestSignin(bool allowed) override;
  43   void AllowOfflineLogin(bool allowed) override;
  44   void FixCaptivePortal() override;
  45   NetworkError::UIState GetUIState() const override;
  46   NetworkError::ErrorState GetErrorState() const override;
  47   OobeUI::Screen GetParentScreen() const override;
  48   void HideCaptivePortal() override;
  49   void OnViewDestroyed(NetworkErrorView* view) override;
  50   void SetUIState(NetworkError::UIState ui_state) override;
  51   void SetErrorState(NetworkError::ErrorState error_state,
  52                      const std::string& network) override;
  53   void SetParentScreen(OobeUI::Screen parent_screen) override;
  54   void SetHideCallback(const base::Closure& on_hide) override;
  55   void ShowCaptivePortal() override;
  56   void ShowConnectingIndicator(bool show) override;
  57
  58   // LoginPerformer::Delegate implementation:
  59   void OnAuthFailure(const AuthFailure& error) override;
  60   void OnAuthSuccess(const UserContext& user_context) override;
  61   void OnOffTheRecordAuthSuccess() override;
  62   void OnPasswordChangeDetected() override;
  63   void WhiteListCheckFailed(const std::string& email) override;
  64   void PolicyLoadFailed() override;
  65   void OnOnlineChecked(const std::string& username, bool success) override;
  66
  67   // Register a callback to be invoked when the user indicates that an attempt
  68   // to connect to the network should be made.
  69   ConnectRequestCallbackSubscription RegisterConnectRequestCallback(
  70       const base::Closure& callback);
  71
  72  private:
  73   // Default hide_closure for Hide().
  74   void DefaultHideCallback();
  75
  76   // Handle user action to configure certificates.
  77   void OnConfigureCerts();
  78
  79   // Handle user action to diagnose network configuration.
  80   void OnDiagnoseButtonClicked();
  81
  82   // Handle user action to launch guest session from out-of-box.
  83   void OnLaunchOobeGuestSession();
  84
  85   // Handle user action to launch Powerwash in case of
  86   // Local State critical error.
  87   void OnLocalStateErrorPowerwashButtonClicked();
  88
  89   // Handle uses action to reboot device.
  90   void OnRebootButtonClicked();
  91
  92   // The user indicated to make an attempt to connect to the network.
  93   void OnConnectRequested();
  94
  95   // Handles the response of an ownership check and starts the guest session if
  96   // applicable.
  97   void StartGuestSessionAfterOwnershipCheck(
  98       DeviceSettingsService::OwnershipStatus ownership_status);
  99
 100   NetworkErrorView* view_;
 101
 102   scoped_ptr<LoginPerformer> guest_login_performer_;
 103
 104   // Proxy which manages showing of the window for captive portal entering.
 105   scoped_ptr<CaptivePortalWindowProxy> captive_portal_window_proxy_;
 106
 107   // Network state informer used to keep error screen up.
 108   scoped_refptr<NetworkStateInformer> network_state_informer_;
 109
 110   NetworkError::UIState ui_state_;
 111   NetworkError::ErrorState error_state_;
 112
 113   OobeUI::Screen parent_screen_;
 114
 115   // Optional callback that is called when NetworkError screen is hidden.
 116   scoped_ptr<base::Closure> on_hide_callback_;
 117
 118   // Callbacks to be invoked when a connection attempt is requested.
 119   base::CallbackList<void()> connect_request_callbacks_;
 120
 121   base::WeakPtrFactory<ErrorScreen> weak_factory_;
 122
 123   DISALLOW_COPY_AND_ASSIGN(ErrorScreen);
 124 };
 125
 126 }  // namespace chromeos
 127
 128 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_ERROR_SCREEN_H_