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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_PROVIDER_H_
#define CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_PROVIDER_H_
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/chromeos/policy/device_local_account_external_data_manager.h"
#include "chrome/browser/chromeos/policy/device_local_account_policy_service.h"
#include "components/policy/core/common/configuration_policy_provider.h"
namespace policy {
class PolicyMap;
// Policy provider for a device-local account. Pulls policy from
// DeviceLocalAccountPolicyService. Note that this implementation keeps
// functioning when the device-local account disappears from
// DeviceLocalAccountPolicyService. The current policy will be kept in that case
// and RefreshPolicies becomes a no-op.
class DeviceLocalAccountPolicyProvider
: public ConfigurationPolicyProvider,
public DeviceLocalAccountPolicyService::Observer {
public:
DeviceLocalAccountPolicyProvider(
const std::string& user_id,
DeviceLocalAccountPolicyService* service,
scoped_ptr<PolicyMap> chrome_policy_overrides);
virtual ~DeviceLocalAccountPolicyProvider();
// Factory function to create and initialize a provider for |user_id|. Returns
// NULL if |user_id| is not a device-local account or user policy isn't
// applicable for user_id's user type.
static scoped_ptr<DeviceLocalAccountPolicyProvider> Create(
const std::string& user_id,
DeviceLocalAccountPolicyService* service);
// ConfigurationPolicyProvider:
virtual bool IsInitializationComplete(PolicyDomain domain) const OVERRIDE;
virtual void RefreshPolicies() OVERRIDE;
// DeviceLocalAccountPolicyService::Observer:
virtual void OnPolicyUpdated(const std::string& user_id) OVERRIDE;
virtual void OnDeviceLocalAccountsChanged() OVERRIDE;
private:
// Returns the broker for |user_id_| or NULL if not available.
DeviceLocalAccountPolicyBroker* GetBroker();
// Handles completion of policy refreshes and triggers the update callback.
// |success| is true if the policy refresh was successful.
void ReportPolicyRefresh(bool success);
// Unless |waiting_for_policy_refresh_|, calls UpdatePolicy(), using the
// policy from the broker if available or keeping the current policy.
void UpdateFromBroker();
const std::string user_id_;
scoped_refptr<DeviceLocalAccountExternalDataManager> external_data_manager_;
DeviceLocalAccountPolicyService* service_;
// A policy map providing overrides to apply on top of the Chrome policy
// received from |service_|. This is used to fix certain policies for public
// sessions regardless of what's actually specified in policy.
scoped_ptr<PolicyMap> chrome_policy_overrides_;
bool store_initialized_;
bool waiting_for_policy_refresh_;
base::WeakPtrFactory<DeviceLocalAccountPolicyProvider> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(DeviceLocalAccountPolicyProvider);
};
} // namespace policy
#endif // CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_LOCAL_ACCOUNT_POLICY_PROVIDER_H_
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