device_local_account_policy_provider.h revision f2477e01787aa58f445919b809d89e252beef54f 
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_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_PROVIDER_H_
6#define CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_PROVIDER_H_
7
8#include <string>
9
10#include "base/basictypes.h"
11#include "base/compiler_specific.h"
12#include "base/memory/ref_counted.h"
13#include "base/memory/weak_ptr.h"
14#include "chrome/browser/chromeos/policy/device_local_account_external_data_manager.h"
15#include "chrome/browser/chromeos/policy/device_local_account_policy_service.h"
16#include "chrome/browser/policy/configuration_policy_provider.h"
17
18namespace policy {
19
20// Policy provider for a device-local account. Pulls policy from
21// DeviceLocalAccountPolicyService. Note that this implementation keeps
22// functioning when the device-local account disappears from
23// DeviceLocalAccountPolicyService. The current policy will be kept in that case
24// and RefreshPolicies becomes a no-op.
25class DeviceLocalAccountPolicyProvider
26    : public ConfigurationPolicyProvider,
27      public DeviceLocalAccountPolicyService::Observer {
28 public:
29  DeviceLocalAccountPolicyProvider(const std::string& user_id,
30                                   DeviceLocalAccountPolicyService* service);
31  virtual ~DeviceLocalAccountPolicyProvider();
32
33  // ConfigurationPolicyProvider:
34  virtual bool IsInitializationComplete(PolicyDomain domain) const OVERRIDE;
35  virtual void RefreshPolicies() OVERRIDE;
36
37  // DeviceLocalAccountPolicyService::Observer:
38  virtual void OnPolicyUpdated(const std::string& user_id) OVERRIDE;
39  virtual void OnDeviceLocalAccountsChanged() OVERRIDE;
40
41 private:
42  // Returns the broker for |user_id_| or NULL if not available.
43  DeviceLocalAccountPolicyBroker* GetBroker();
44
45  // Handles completion of policy refreshes and triggers the update callback.
46  // |success| is true if the policy refresh was successful.
47  void ReportPolicyRefresh(bool success);
48
49  // Unless |waiting_for_policy_refresh_|, calls UpdatePolicy(), using the
50  // policy from the broker if available or keeping the current policy.
51  void UpdateFromBroker();
52
53  const std::string user_id_;
54  scoped_refptr<DeviceLocalAccountExternalDataManager> external_data_manager_;
55
56  DeviceLocalAccountPolicyService* service_;
57
58  bool store_initialized_;
59  bool waiting_for_policy_refresh_;
60
61  base::WeakPtrFactory<DeviceLocalAccountPolicyProvider> weak_factory_;
62
63  DISALLOW_COPY_AND_ASSIGN(DeviceLocalAccountPolicyProvider);
64};
65
66}  // namespace policy
67
68#endif  // CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_PROVIDER_H_
69