chrome/browser/ui/webui/chromeos/login/eula_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_EULA_SCREEN_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_EULA_SCREEN_HANDLER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "chrome/browser/chromeos/login/screens/eula_screen_actor.h"
  11 #include "chrome/browser/chromeos/login/tpm_password_fetcher.h"
  12 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
  13 #include "content/public/browser/web_ui.h"
  14
  15 namespace base {
  16 class DictionaryValue;
  17 }
  18
  19 namespace chromeos {
  20
  21 class CoreOobeActor;
  22 class HelpAppLauncher;
  23
  24 // WebUI implementation of EulaScreenActor. It is used to interact
  25 // with the eula part of the JS page.
  26 class EulaScreenHandler : public EulaScreenActor,
  27                           public BaseScreenHandler,
  28                           public TpmPasswordFetcherDelegate {
  29  public:
  30   explicit EulaScreenHandler(CoreOobeActor* core_oobe_actor);
  31   virtual ~EulaScreenHandler();
  32
  33   // EulaScreenActor implementation:
  34   virtual void PrepareToShow() OVERRIDE;
  35   virtual void Show() OVERRIDE;
  36   virtual void Hide() OVERRIDE;
  37   virtual void SetDelegate(Delegate* delegate) OVERRIDE;
  38   virtual void OnPasswordFetched(const std::string& tpm_password) OVERRIDE;
  39
  40   // BaseScreenHandler implementation:
  41   virtual void DeclareLocalizedValues(LocalizedValuesBuilder* builder) OVERRIDE;
  42   virtual void GetAdditionalParameters(base::DictionaryValue* dict) OVERRIDE;
  43   virtual void Initialize() OVERRIDE;
  44
  45   // WebUIMessageHandler implementation:
  46   virtual void RegisterMessages() OVERRIDE;
  47
  48  private:
  49   // JS messages handlers.
  50   void HandleOnExit(bool accepted, bool usager_stats_enabled);
  51   void HandleOnLearnMore();
  52   void HandleOnInstallationSettingsPopupOpened();
  53
  54   EulaScreenActor::Delegate* delegate_;
  55   CoreOobeActor* core_oobe_actor_;
  56
  57   // Help application used for help dialogs.
  58   scoped_refptr<HelpAppLauncher> help_app_;
  59
  60   // Keeps whether screen should be shown right after initialization.
  61   bool show_on_init_;
  62
  63   DISALLOW_COPY_AND_ASSIGN(EulaScreenHandler);
  64 };
  65
  66 }  // namespace chromeos
  67
  68 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_EULA_SCREEN_HANDLER_H_