src/chrome/browser/chromeos/policy/device_local_account_policy_provider.h

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