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