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

   1 // Copyright 2014 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_HID_DETECTION_SCREEN_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_HID_DETECTION_SCREEN_HANDLER_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/prefs/pref_registry_simple.h"
  11 #include "base/values.h"
  12 #include "chrome/browser/chromeos/login/screens/hid_detection_view.h"
  13 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
  14 #include "content/public/browser/web_ui.h"
  15
  16 namespace base {
  17 class DictionaryValue;
  18 }
  19
  20 namespace chromeos {
  21
  22 class CoreOobeActor;
  23
  24 // WebUI implementation of HIDDetectionScreenView.
  25 class HIDDetectionScreenHandler
  26     : public HIDDetectionView,
  27       public BaseScreenHandler {
  28  public:
  29
  30   explicit HIDDetectionScreenHandler(CoreOobeActor* core_oobe_actor);
  31   ~HIDDetectionScreenHandler() override;
  32
  33   // HIDDetectionView implementation:
  34   void PrepareToShow() override;
  35   void Show() override;
  36   void Hide() override;
  37   void Bind(HIDDetectionModel& model) override;
  38   void Unbind() override;
  39   void CheckIsScreenRequired(
  40       const base::Callback<void(bool)>& on_check_done) override;
  41
  42   // BaseScreenHandler implementation:
  43   void DeclareLocalizedValues(
  44       ::login::LocalizedValuesBuilder* builder) override;
  45   void DeclareJSCallbacks() override;
  46   void Initialize() override;
  47
  48   // Registers the preference for derelict state.
  49   static void RegisterPrefs(PrefRegistrySimple* registry);
  50
  51  private:
  52   // JS messages handlers.
  53   void HandleOnContinue();
  54
  55   HIDDetectionModel* model_;
  56
  57   CoreOobeActor* core_oobe_actor_;
  58
  59   // Keeps whether screen should be shown right after initialization.
  60   bool show_on_init_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(HIDDetectionScreenHandler);
  63 };
  64
  65 }  // namespace chromeos
  66
  67 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_HID_DETECTION_SCREEN_HANDLER_H_
  68