src/chrome/browser/chromeos/login/enrollment/auto_enrollment_controller.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_CONTROLLER_H_
   6 #define CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_AUTO_ENROLLMENT_CONTROLLER_H_
   7
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/callback_list.h"
  12 #include "base/macros.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/memory/weak_ptr.h"
  15 #include "chrome/browser/chromeos/policy/auto_enrollment_client.h"
  16 #include "chrome/browser/chromeos/settings/device_settings_service.h"
  17
  18 namespace policy {
  19 class ServerBackedStateKeysBroker;
  20 }
  21
  22 namespace chromeos {
  23
  24 // Drives the auto-enrollment check, running an AutoEnrollmentClient if
  25 // appropriate to make a decision.
  26 class AutoEnrollmentController {
  27  public:
  28   typedef base::CallbackList<void(policy::AutoEnrollmentState)>
  29       ProgressCallbackList;
  30
  31   // Parameter values for the kEnterpriseEnableForcedReEnrollment flag.
  32   static const char kForcedReEnrollmentAlways[];
  33   static const char kForcedReEnrollmentLegacy[];
  34   static const char kForcedReEnrollmentNever[];
  35   static const char kForcedReEnrollmentOfficialBuild[];
  36
  37   // Auto-enrollment modes.
  38   enum Mode {
  39     // No automatic enrollment.
  40     MODE_NONE,
  41     // Legacy auto-enrollment.
  42     MODE_LEGACY_AUTO_ENROLLMENT,
  43     // Forced re-enrollment.
  44     MODE_FORCED_RE_ENROLLMENT,
  45   };
  46
  47   // Gets the auto-enrollment mode based on command-line flags and official
  48   // build status.
  49   static Mode GetMode();
  50
  51   AutoEnrollmentController();
  52   ~AutoEnrollmentController();
  53
  54   // Starts the auto-enrollment check.
  55   void Start();
  56
  57   // Stops any pending auto-enrollment checking.
  58   void Cancel();
  59
  60   // Retry checking.
  61   void Retry();
  62
  63   // Registers a callback to invoke on state changes.
  64   scoped_ptr<ProgressCallbackList::Subscription> RegisterProgressCallback(
  65       const ProgressCallbackList::CallbackType& callback);
  66
  67   // Checks whether legacy auto-enrollment should be performed.
  68   bool ShouldEnrollSilently();
  69
  70   policy::AutoEnrollmentState state() const { return state_; }
  71
  72  private:
  73   // Callback for the ownership status check.
  74   void OnOwnershipStatusCheckDone(
  75       DeviceSettingsService::OwnershipStatus status);
  76
  77   // Starts the auto-enrollment client.
  78   void StartClient(const std::vector<std::string>& state_keys);
  79
  80   // Sets |state_| and notifies |progress_callbacks_|.
  81   void UpdateState(policy::AutoEnrollmentState state);
  82
  83   policy::AutoEnrollmentState state_;
  84   ProgressCallbackList progress_callbacks_;
  85
  86   base::WeakPtrFactory<AutoEnrollmentController> client_start_weak_factory_;
  87
  88   scoped_ptr<policy::AutoEnrollmentClient> client_;
  89
  90   DISALLOW_COPY_AND_ASSIGN(AutoEnrollmentController);
  91 };
  92
  93 }  // namespace chromeos
  94
  95 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_ENROLLMENT_AUTO_ENROLLMENT_CONTROLLER_H_