chrome/browser/chromeos/login/enrollment/auto_enrollment_check_screen.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_CHROMEOS_LOGIN_ENROLLMENT_AUTO_ENROLLMENT_CHECK_SCREEN_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_AUTO_ENROLLMENT_CHECK_SCREEN_H_
   7
   8 #include "base/compiler_specific.h"
   9 #include "base/macros.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/memory/weak_ptr.h"
  12 #include "chrome/browser/chromeos/login/enrollment/auto_enrollment_check_screen_actor.h"
  13 #include "chrome/browser/chromeos/login/enrollment/auto_enrollment_controller.h"
  14 #include "chrome/browser/chromeos/login/screens/base_screen.h"
  15 #include "chrome/browser/chromeos/login/screens/error_screen.h"
  16 #include "chrome/browser/chromeos/login/screens/network_error.h"
  17 #include "chromeos/network/portal_detector/network_portal_detector.h"
  18
  19 namespace chromeos {
  20
  21 class BaseScreenDelegate;
  22 class ErrorScreensHistogramHelper;
  23 class ScreenManager;
  24
  25 // Handles the control flow after OOBE auto-update completes to wait for the
  26 // enterprise auto-enrollment check that happens as part of OOBE. This includes
  27 // keeping track of current auto-enrollment state and displaying and updating
  28 // the error screen upon failures. Similar to a screen controller, but it
  29 // doesn't actually drive a dedicated screen.
  30 class AutoEnrollmentCheckScreen
  31     : public AutoEnrollmentCheckScreenActor::Delegate,
  32       public BaseScreen,
  33       public NetworkPortalDetector::Observer {
  34  public:
  35   AutoEnrollmentCheckScreen(BaseScreenDelegate* base_screen_delegate,
  36                             AutoEnrollmentCheckScreenActor* actor);
  37   ~AutoEnrollmentCheckScreen() override;
  38
  39   static AutoEnrollmentCheckScreen* Get(ScreenManager* manager);
  40
  41   // Clears the cached state causing the forced enrollment check to be retried.
  42   void ClearState();
  43
  44   void set_auto_enrollment_controller(
  45       AutoEnrollmentController* auto_enrollment_controller) {
  46     auto_enrollment_controller_ = auto_enrollment_controller;
  47   }
  48
  49   // BaseScreen implementation:
  50   void PrepareToShow() override;
  51   void Show() override;
  52   void Hide() override;
  53   std::string GetName() const override;
  54
  55   // AutoEnrollmentCheckScreenActor::Delegate implementation:
  56   void OnActorDestroyed(AutoEnrollmentCheckScreenActor* actor) override;
  57
  58   // NetworkPortalDetector::Observer implementation:
  59   void OnPortalDetectionCompleted(
  60       const NetworkState* network,
  61       const NetworkPortalDetector::CaptivePortalState& state) override;
  62
  63  private:
  64   // Handles update notifications regarding the auto-enrollment check.
  65   void OnAutoEnrollmentCheckProgressed(policy::AutoEnrollmentState state);
  66
  67   // Handles a state update, updating the UI and saving the state.
  68   void UpdateState();
  69
  70   // Configures the UI to reflect |new_captive_portal_status|. Returns true if
  71   // and only if a UI change has been made.
  72   bool UpdateCaptivePortalStatus(
  73       NetworkPortalDetector::CaptivePortalStatus new_captive_portal_status);
  74
  75   // Configures the UI to reflect |auto_enrollment_state|. Returns true if and
  76   // only if a UI change has been made.
  77   bool UpdateAutoEnrollmentState(
  78       policy::AutoEnrollmentState auto_enrollment_state);
  79
  80   // Configures the error screen.
  81   void ShowErrorScreen(NetworkError::ErrorState error_state);
  82
  83   // Asynchronously signals completion. The owner might destroy |this| in
  84   // response, so no code should be run after the completion of a message loop
  85   // task, in which this function was called.
  86   void SignalCompletion();
  87
  88   // Returns whether enrollment check was completed and decision was made.
  89   bool IsCompleted() const;
  90
  91   // The user requested a connection attempt to be performed.
  92   void OnConnectRequested();
  93
  94   AutoEnrollmentCheckScreenActor* actor_;
  95   AutoEnrollmentController* auto_enrollment_controller_;
  96
  97   scoped_ptr<AutoEnrollmentController::ProgressCallbackList::Subscription>
  98       auto_enrollment_progress_subscription_;
  99
 100   NetworkPortalDetector::CaptivePortalStatus captive_portal_status_;
 101   policy::AutoEnrollmentState auto_enrollment_state_;
 102
 103   scoped_ptr<ErrorScreensHistogramHelper> histogram_helper_;
 104
 105   ErrorScreen::ConnectRequestCallbackSubscription connect_request_subscription_;
 106
 107   base::WeakPtrFactory<AutoEnrollmentCheckScreen> weak_ptr_factory_;
 108
 109   DISALLOW_COPY_AND_ASSIGN(AutoEnrollmentCheckScreen);
 110 };
 111
 112 }  // namespace chromeos
 113
 114 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_AUTO_ENROLLMENT_CHECK_SCREEN_H_