chrome/browser/chromeos/policy/affiliated_cloud_policy_invalidator.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_POLICY_AFFILIATED_CLOUD_POLICY_INVALIDATOR_H_
   6 #define CHROME_BROWSER_CHROMEOS_POLICY_AFFILIATED_CLOUD_POLICY_INVALIDATOR_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/macros.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chrome/browser/chromeos/policy/affiliated_invalidation_service_provider.h"
  12 #include "policy/proto/device_management_backend.pb.h"
  13
  14 namespace invalidation {
  15 class InvalidationService;
  16 }
  17
  18 namespace policy {
  19
  20 class CloudPolicyCore;
  21 class CloudPolicyInvalidator;
  22
  23 // This class provides policy invalidations for a |CloudPolicyCore| that wishes
  24 // to use a shared |InvalidationService| affiliated with the device's enrollment
  25 // domain. This is the case e.g. for device policy and device-local account
  26 // policy.
  27 // It relies on an |AffiliatedInvalidationServiceProvider| to provide it with
  28 // access to a shared |InvalidationService| to back the
  29 // |CloudPolicyInvalidator|. Whenever the shared |InvalidationService| changes,
  30 // the |CloudPolicyInvalidator| is destroyed and re-created.
  31 class AffiliatedCloudPolicyInvalidator
  32     : public AffiliatedInvalidationServiceProvider::Consumer {
  33  public:
  34   AffiliatedCloudPolicyInvalidator(
  35       enterprise_management::DeviceRegisterRequest::Type type,
  36       CloudPolicyCore* core,
  37       AffiliatedInvalidationServiceProvider* invalidation_service_provider);
  38   ~AffiliatedCloudPolicyInvalidator() override;
  39
  40   // AffiliatedInvalidationServiceProvider::Consumer:
  41   void OnInvalidationServiceSet(
  42       invalidation::InvalidationService* invalidation_service) override;
  43
  44   CloudPolicyInvalidator* GetInvalidatorForTest() const;
  45
  46  private:
  47   // Create a |CloudPolicyInvalidator| backed by the |invalidation_service|.
  48   void CreateInvalidator(
  49       invalidation::InvalidationService* invalidation_service);
  50
  51   // Destroy the current |CloudPolicyInvalidator|, if any.
  52   void DestroyInvalidator();
  53
  54   const enterprise_management::DeviceRegisterRequest::Type type_;
  55   CloudPolicyCore* const core_;
  56
  57   AffiliatedInvalidationServiceProvider* const invalidation_service_provider_;
  58
  59   // The highest invalidation version that was handled already.
  60   int64 highest_handled_invalidation_version_;
  61
  62   // The current |CloudPolicyInvalidator|. nullptr if no connected invalidation
  63   // service is available.
  64   scoped_ptr<CloudPolicyInvalidator> invalidator_;
  65
  66   DISALLOW_COPY_AND_ASSIGN(AffiliatedCloudPolicyInvalidator);
  67 };
  68
  69 }  // namespace policy
  70
  71 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_AFFILIATED_CLOUD_POLICY_INVALIDATOR_H_