chrome/browser/ui/webui/chromeos/login/terms_of_service_screen_handler.h

   1 // Copyright (c) 2013 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_TERMS_OF_SERVICE_SCREEN_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_TERMS_OF_SERVICE_SCREEN_HANDLER_H_
   7
   8 #include <string>
   9
  10 #include "base/basictypes.h"
  11 #include "base/compiler_specific.h"
  12 #include "chrome/browser/chromeos/login/screens/terms_of_service_screen_actor.h"
  13 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
  14
  15 namespace chromeos {
  16
  17 // The sole implementation of the TermsOfServiceScreenActor, using WebUI.
  18 class TermsOfServiceScreenHandler : public BaseScreenHandler,
  19                                     public TermsOfServiceScreenActor {
  20  public:
  21   TermsOfServiceScreenHandler();
  22   virtual ~TermsOfServiceScreenHandler();
  23
  24   // content::WebUIMessageHandler:
  25   virtual void RegisterMessages() OVERRIDE;
  26
  27   // BaseScreenHandler:
  28   virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
  29
  30   // TermsOfServiceScreenActor:
  31   virtual void SetDelegate(Delegate* screen) OVERRIDE;
  32   virtual void Show() OVERRIDE;
  33   virtual void Hide() OVERRIDE;
  34   virtual void SetDomain(const std::string& domain) OVERRIDE;
  35   virtual void OnLoadError() OVERRIDE;
  36   virtual void OnLoadSuccess(const std::string& terms_of_service) OVERRIDE;
  37
  38  private:
  39   // BaseScreenHandler:
  40   virtual void Initialize() OVERRIDE;
  41
  42   // Update the domain name shown in the UI.
  43   void UpdateDomainInUI();
  44
  45   // Update the UI to show an error message or the Terms of Service, depending
  46   // on whether the download of the Terms of Service was successful. Does
  47   // nothing if the download is still in progress.
  48   void UpdateTermsOfServiceInUI();
  49
  50   // Called when the user declines the Terms of Service by clicking the "back"
  51   // button.
  52   void HandleBack();
  53
  54   // Called when the user accepts the Terms of Service by clicking the "accept
  55   // and continue" button.
  56   void HandleAccept();
  57
  58   TermsOfServiceScreenHandler::Delegate* screen_;
  59
  60   // Whether the screen should be shown right after initialization.
  61   bool show_on_init_;
  62
  63   // The domain name whose Terms of Service are being shown.
  64   std::string domain_;
  65
  66   // Set to |true| when the download of the Terms of Service fails.
  67   bool load_error_;
  68
  69   // Set to the Terms of Service when the download is successful.
  70   std::string terms_of_service_;
  71
  72   DISALLOW_COPY_AND_ASSIGN(TermsOfServiceScreenHandler);
  73 };
  74
  75 }  // namespace chromeos
  76
  77 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_TERMS_OF_SERVICE_SCREEN_HANDLER_H_