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      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_CHROMEOS_LOGIN_ENROLLMENT_ENROLLMENT_SCREEN_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENROLLMENT_SCREEN_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/compiler_specific.h"
     12 #include "base/memory/weak_ptr.h"
     13 #include "chrome/browser/chromeos/login/enrollment/enrollment_screen_actor.h"
     14 #include "chrome/browser/chromeos/login/screens/wizard_screen.h"
     15 #include "chrome/browser/policy/cloud/cloud_policy_constants.h"
     16 
     17 namespace chromeos {
     18 
     19 class ScreenObserver;
     20 
     21 // The screen implementation that links the enterprise enrollment UI into the
     22 // OOBE wizard.
     23 class EnrollmentScreen
     24     : public WizardScreen,
     25       public EnrollmentScreenActor::Controller {
     26  public:
     27   EnrollmentScreen(ScreenObserver* observer,
     28                    EnrollmentScreenActor* actor);
     29   virtual ~EnrollmentScreen();
     30 
     31   void SetParameters(bool is_auto_enrollment,
     32                      bool can_exit_enrollment,
     33                      const std::string& enrollment_user);
     34 
     35   // WizardScreen implementation:
     36   virtual void PrepareToShow() OVERRIDE;
     37   virtual void Show() OVERRIDE;
     38   virtual void Hide() OVERRIDE;
     39   virtual std::string GetName() const OVERRIDE;
     40 
     41   // EnrollmentScreenActor::Controller implementation:
     42   virtual void OnLoginDone(const std::string& user) OVERRIDE;
     43   virtual void OnAuthError(const GoogleServiceAuthError& error) OVERRIDE;
     44   virtual void OnOAuthTokenAvailable(const std::string& oauth_token) OVERRIDE;
     45   virtual void OnRetry() OVERRIDE;
     46   virtual void OnCancel() OVERRIDE;
     47   virtual void OnConfirmationClosed() OVERRIDE;
     48 
     49   // Used for testing.
     50   EnrollmentScreenActor* GetActor() {
     51     return actor_;
     52   }
     53 
     54  private:
     55   // Starts the Lockbox storage process.
     56   void WriteInstallAttributesData();
     57 
     58   // Kicks off the policy infrastructure to register with the service.
     59   void RegisterForDevicePolicy(const std::string& token);
     60 
     61   // Handles enrollment completion. Logs a UMA sample and requests the actor to
     62   // show the specified enrollment status.
     63   void ReportEnrollmentStatus(policy::EnrollmentStatus status);
     64 
     65   // Logs a UMA event in the kMetricEnrollment histogram. If auto-enrollment is
     66   // on |sample| is ignored and a kMetricEnrollmentAutoFailed sample is logged
     67   // instead.
     68   void UMAFailure(int sample);
     69 
     70   // Shows the signin screen. Used as a callback to run after auth reset.
     71   void ShowSigninScreen();
     72 
     73   EnrollmentScreenActor* actor_;
     74   bool is_auto_enrollment_;
     75   bool can_exit_enrollment_;
     76   bool enrollment_failed_once_;
     77   std::string user_;
     78   int lockbox_init_duration_;
     79   base::WeakPtrFactory<EnrollmentScreen> weak_ptr_factory_;
     80 
     81   DISALLOW_COPY_AND_ASSIGN(EnrollmentScreen);
     82 };
     83 
     84 }  // namespace chromeos
     85 
     86 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_ENROLLMENT_SCREEN_H_
     87