chrome/browser/ui/webui/chromeos/login/error_screen_handler.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_UI_WEBUI_CHROMEOS_LOGIN_ERROR_SCREEN_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ERROR_SCREEN_HANDLER_H_
   7
   8 #include "base/macros.h"
   9 #include "chrome/browser/chromeos/login/screens/network_error_view.h"
  10 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
  11 #include "chrome/browser/ui/webui/chromeos/login/network_dropdown_handler.h"
  12
  13 namespace chromeos {
  14
  15 class NetworkErrorModel;
  16
  17 // A class that handles the WebUI hooks in error screen.
  18 class ErrorScreenHandler : public BaseScreenHandler,
  19                            public NetworkErrorView,
  20                            public NetworkDropdownHandler::Observer {
  21  public:
  22   ErrorScreenHandler();
  23   ~ErrorScreenHandler() override;
  24
  25   // ErrorView:
  26   void PrepareToShow() override;
  27   void Show() override;
  28   void Hide() override;
  29   void Bind(NetworkErrorModel& model) override;
  30   void Unbind() override;
  31   void ShowScreen(OobeUI::Screen screen) override;
  32
  33  private:
  34   bool GetScreenName(OobeUI::Screen screen, std::string* name) const;
  35
  36   // WebUI message handlers.
  37   void HandleHideCaptivePortal();
  38
  39   // WebUIMessageHandler implementation:
  40   void RegisterMessages() override;
  41
  42   // BaseScreenHandler implementation:
  43   void DeclareLocalizedValues(
  44       ::login::LocalizedValuesBuilder* builder) override;
  45   void Initialize() override;
  46
  47   // NetworkDropdownHandler:
  48   void OnConnectToNetworkRequested() override;
  49
  50   // Non-owning ptr.
  51   NetworkErrorModel* model_;
  52
  53   // Keeps whether screen should be shown right after initialization.
  54   bool show_on_init_;
  55
  56   // Whether the error screen is currently shown.
  57   bool showing_;
  58
  59   base::WeakPtrFactory<ErrorScreenHandler> weak_ptr_factory_;
  60
  61   DISALLOW_COPY_AND_ASSIGN(ErrorScreenHandler);
  62 };
  63
  64 }  // namespace chromeos
  65
  66 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ERROR_SCREEN_HANDLER_H_