chrome/browser/chromeos/login/screens/error_screen_actor.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_ACTOR_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_ERROR_SCREEN_ACTOR_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "chrome/browser/chromeos/login/screens/error_screen.h"
  12 #include "chrome/browser/chromeos/login/screens/error_screen_actor_delegate.h"
  13 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
  14
  15 namespace base {
  16 class DictionaryValue;
  17 }
  18
  19 namespace chromeos {
  20
  21 class ErrorScreenActor {
  22  public:
  23   // Possible network error reasons.
  24   enum ErrorReason {
  25     ERROR_REASON_PROXY_AUTH_CANCELLED = 0,
  26     ERROR_REASON_PROXY_AUTH_SUPPLIED,
  27     ERROR_REASON_PROXY_CONNECTION_FAILED,
  28     ERROR_REASON_PROXY_CONFIG_CHANGED,
  29     ERROR_REASON_LOADING_TIMEOUT,
  30     ERROR_REASON_PORTAL_DETECTED,
  31     // Reason for a case when default network has changed.
  32     ERROR_REASON_NETWORK_STATE_CHANGED,
  33     // Reason for a case when JS side requires error screen update.
  34     ERROR_REASON_UPDATE,
  35     ERROR_REASON_FRAME_ERROR
  36   };
  37
  38   ErrorScreenActor();
  39   virtual ~ErrorScreenActor();
  40
  41   ErrorScreen::UIState ui_state() const { return ui_state_; }
  42   ErrorScreen::ErrorState error_state() const { return error_state_; }
  43
  44   // Returns id of the screen behind error screen ("caller" screen).
  45   // Returns OobeUI::SCREEN_UNKNOWN if error screen isn't the current
  46   // screen.
  47   OobeUI::Screen parent_screen() const { return parent_screen_; }
  48
  49   // Sets screen this actor belongs to.
  50   virtual void SetDelegate(ErrorScreenActorDelegate* delegate) = 0;
  51
  52   // Shows the screen.
  53   virtual void Show(OobeDisplay::Screen parent_screen,
  54                     base::DictionaryValue* params) = 0;
  55
  56   // Hides the screen.
  57   virtual void Hide() = 0;
  58
  59   // Initializes captive portal dialog and shows that if needed.
  60   virtual void FixCaptivePortal() = 0;
  61
  62   // Shows captive portal dialog.
  63   virtual void ShowCaptivePortal() = 0;
  64
  65   // Hides captive portal dialog.
  66   virtual void HideCaptivePortal() = 0;
  67
  68   virtual void SetUIState(ErrorScreen::UIState ui_state) = 0;
  69   virtual void SetErrorState(ErrorScreen::ErrorState error_state,
  70                              const std::string& network) = 0;
  71
  72   virtual void AllowGuestSignin(bool allowed) = 0;
  73   virtual void AllowOfflineLogin(bool allowed) = 0;
  74
  75   virtual void ShowConnectingIndicator(bool show) = 0;
  76
  77   static const char* ErrorReasonString(ErrorReason reason);
  78
  79  protected:
  80   ErrorScreen::UIState ui_state_;
  81   ErrorScreen::ErrorState error_state_;
  82   std::string network_;
  83   bool guest_signin_allowed_;
  84   bool offline_login_allowed_;
  85   bool show_connecting_indicator_;
  86
  87   OobeUI::Screen parent_screen_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(ErrorScreenActor);
  90 };
  91
  92 }  // namespace chromeos
  93
  94 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_SCREENS_ERROR_SCREEN_ACTOR_H_