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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_POLICY_CLOUD_POLICY_MANAGER_H_
#define CHROME_BROWSER_POLICY_CLOUD_POLICY_MANAGER_H_
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/policy/cloud_policy_store.h"
#include "chrome/browser/policy/configuration_policy_provider.h"
class PrefService;
namespace policy {
class CloudPolicyClient;
class CloudPolicyRefreshScheduler;
class CloudPolicyService;
// CloudPolicyManager is the main switching central between cloud policy and the
// upper layers of the policy stack. It owns CloudPolicyStore,
// CloudPolicyClient, and CloudPolicyService, is responsible for receiving and
// keeping policy from the cloud and exposes the decoded policy via the
// ConfigurationPolicyProvider interface.
//
// This class contains the base functionality, there are subclasses that add
// functionality specific to user-level and device-level cloud policy, such as
// blocking on initial user policy fetch or device enrollment.
class CloudPolicyManager : public ConfigurationPolicyProvider,
public CloudPolicyStore::Observer {
public:
explicit CloudPolicyManager(scoped_ptr<CloudPolicyStore> store);
virtual ~CloudPolicyManager();
CloudPolicyClient* cloud_policy_client() { return client_.get(); }
const CloudPolicyClient* cloud_policy_client() const { return client_.get(); }
CloudPolicyStore* cloud_policy_store() { return store_.get(); }
const CloudPolicyStore* cloud_policy_store() const { return store_.get(); }
CloudPolicyService* cloud_policy_service() { return service_.get(); }
const CloudPolicyService* cloud_policy_service() const {
return service_.get();
}
// ConfigurationPolicyProvider:
virtual bool IsInitializationComplete() const OVERRIDE;
virtual void RefreshPolicies() OVERRIDE;
// CloudPolicyStore::Observer:
virtual void OnStoreLoaded(CloudPolicyStore* store) OVERRIDE;
virtual void OnStoreError(CloudPolicyStore* store) OVERRIDE;
protected:
// Initializes the cloud connection.
void InitializeService(scoped_ptr<CloudPolicyClient> client);
// Shuts down the cloud connection.
void ShutdownService();
// Starts a refresh scheduler in case none is running yet. |local_state| must
// stay valid until ShutdownService() gets called.
void StartRefreshScheduler(PrefService* local_state,
const std::string& refresh_rate_pref);
// Check whether fully initialized and if so, publish policy by calling
// ConfigurationPolicyStore::UpdatePolicy().
void CheckAndPublishPolicy();
private:
// Completion handler for policy refresh operations.
void OnRefreshComplete();
scoped_ptr<CloudPolicyStore> store_;
scoped_ptr<CloudPolicyClient> client_;
scoped_ptr<CloudPolicyService> service_;
scoped_ptr<CloudPolicyRefreshScheduler> refresh_scheduler_;
// Whether there's a policy refresh operation pending, in which case all
// policy update notifications are deferred until after it completes.
bool waiting_for_policy_refresh_;
DISALLOW_COPY_AND_ASSIGN(CloudPolicyManager);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_CLOUD_POLICY_MANAGER_H_
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