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_view.h"
  11 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
  12 #include "chromeos/tpm/tpm_password_fetcher.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 EulaView,
  27                           public BaseScreenHandler,
  28                           public TpmPasswordFetcherDelegate {
  29  public:
  30   explicit EulaScreenHandler(CoreOobeActor* core_oobe_actor);
  31   ~EulaScreenHandler() override;
  32
  33   // EulaView implementation:
  34   void PrepareToShow() override;
  35   void Show() override;
  36   void Hide() override;
  37   void Bind(EulaModel& model) override;
  38   void Unbind() override;
  39   void OnPasswordFetched(const std::string& tpm_password) override;
  40
  41   // BaseScreenHandler implementation:
  42   void DeclareLocalizedValues(
  43       ::login::LocalizedValuesBuilder* builder) override;
  44   void DeclareJSCallbacks() override;
  45   void GetAdditionalParameters(base::DictionaryValue* dict) override;
  46   void Initialize() override;
  47
  48  private:
  49   // JS messages handlers.
  50   void HandleOnLearnMore();
  51   void HandleOnChromeCredits();
  52   void HandleOnChromeOSCredits();
  53   void HandleOnInstallationSettingsPopupOpened();
  54
  55   EulaModel* model_;
  56   CoreOobeActor* core_oobe_actor_;
  57
  58   // Help application used for help dialogs.
  59   scoped_refptr<HelpAppLauncher> help_app_;
  60
  61   // Keeps whether screen should be shown right after initialization.
  62   bool show_on_init_;
  63
  64   DISALLOW_COPY_AND_ASSIGN(EulaScreenHandler);
  65 };
  66
  67 }  // namespace chromeos
  68
  69 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_EULA_SCREEN_HANDLER_H_