chrome/browser/ui/webui/chromeos/login/enable_debugging_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_ENABLE_DEBUGGING_SCREEN_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENABLE_DEBUGGING_SCREEN_HANDLER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/ref_counted.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "chrome/browser/chromeos/login/help_app_launcher.h"
  12 #include "chrome/browser/chromeos/login/screens/enable_debugging_screen_actor.h"
  13 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
  14
  15 class PrefRegistrySimple;
  16
  17 namespace chromeos {
  18
  19 // WebUI implementation of EnableDebuggingScreenActor.
  20 class EnableDebuggingScreenHandler : public EnableDebuggingScreenActor,
  21                                      public BaseScreenHandler {
  22  public:
  23   EnableDebuggingScreenHandler();
  24   ~EnableDebuggingScreenHandler() override;
  25
  26   // EnableDebuggingScreenActor implementation:
  27   void PrepareToShow() override;
  28   void Show() override;
  29   void Hide() override;
  30   void SetDelegate(Delegate* delegate) override;
  31
  32   // BaseScreenHandler implementation:
  33   void DeclareLocalizedValues(
  34       ::login::LocalizedValuesBuilder* builder) override;
  35   void Initialize() override;
  36
  37   // WebUIMessageHandler implementation:
  38   void RegisterMessages() override;
  39
  40   // Registers Local State preferences.
  41   static void RegisterPrefs(PrefRegistrySimple* registry);
  42
  43  private:
  44   enum UIState {
  45     UI_STATE_ERROR = -1,
  46     UI_STATE_REMOVE_PROTECTION = 1,
  47     UI_STATE_SETUP = 2,
  48     UI_STATE_WAIT = 3,
  49     UI_STATE_DONE = 4,
  50   };
  51
  52   // JS messages handlers.
  53   void HandleOnCancel();
  54   void HandleOnDone();
  55   void HandleOnLearnMore();
  56   void HandleOnRemoveRootFSProtection();
  57   void HandleOnSetup(const std::string& password);
  58
  59   void ShowWithParams();
  60
  61   // Callback for CryptohomeClient::WaitForServiceToBeAvailable
  62   void OnCryptohomeDaemonAvailabilityChecked(bool service_is_available);
  63
  64   // Callback for DebugDaemonClient::WaitForServiceToBeAvailable
  65   void OnDebugDaemonServiceAvailabilityChecked(bool service_is_available);
  66
  67   // Callback for DebugDaemonClient::EnableDebuggingFeatures().
  68   void OnEnableDebuggingFeatures(bool success);
  69
  70   // Callback for DebugDaemonClient::QueryDebuggingFeatures().
  71   void OnQueryDebuggingFeatures(bool success, int features_flag);
  72
  73   // Callback for DebugDaemonClient::RemoveRootfsVerification().
  74   void OnRemoveRootfsVerification(bool success);
  75
  76   // Updates UI state.
  77   void UpdateUIState(UIState state);
  78
  79   Delegate* delegate_;
  80
  81   // Keeps whether screen should be shown right after initialization.
  82   bool show_on_init_;
  83
  84   base::WeakPtrFactory<EnableDebuggingScreenHandler> weak_ptr_factory_;
  85
  86   DISALLOW_COPY_AND_ASSIGN(EnableDebuggingScreenHandler);
  87 };
  88
  89 }  // namespace chromeos
  90
  91 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_ENABLE_DEBUGGING_SCREEN_HANDLER_H_