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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_SERVICE_H_
#define CHROME_BROWSER_POLICY_CLOUD_POLICY_SERVICE_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/callback_forward.h"
#include "base/compiler_specific.h"
#include "chrome/browser/policy/cloud_policy_client.h"
#include "chrome/browser/policy/cloud_policy_constants.h"
#include "chrome/browser/policy/cloud_policy_store.h"
namespace policy {
// Coordinates cloud policy handling, moving downloaded policy from the client
// to the store, and setting up client registrations from cached data in the
// store. Also coordinates actions on policy refresh triggers.
class CloudPolicyService : public CloudPolicyClient::Observer,
public CloudPolicyStore::Observer {
public:
// |client| and |store| must remain valid for the object life time.
CloudPolicyService(CloudPolicyClient* client, CloudPolicyStore* store);
virtual ~CloudPolicyService();
// Returns the domain that manages this user/device, according to the current
// policy blob. Empty if not managed/not available.
std::string ManagedBy() const;
// Refreshes policy. |callback| will be invoked after the operation completes
// or aborts because of errors.
void RefreshPolicy(const base::Closure& callback);
// CloudPolicyClient::Observer:
virtual void OnPolicyFetched(CloudPolicyClient* client) OVERRIDE;
virtual void OnRegistrationStateChanged(CloudPolicyClient* client) OVERRIDE;
virtual void OnClientError(CloudPolicyClient* client) OVERRIDE;
// CloudPolicyStore::Observer:
virtual void OnStoreLoaded(CloudPolicyStore* store) OVERRIDE;
virtual void OnStoreError(CloudPolicyStore* store) OVERRIDE;
private:
// Invokes the refresh callbacks and clears refresh state.
void RefreshCompleted();
// The client used to talk to the cloud.
CloudPolicyClient* client_;
// Takes care of persisting and decoding cloud policy.
CloudPolicyStore* store_;
// Tracks the state of a pending refresh operation, if any.
enum {
// No refresh pending.
REFRESH_NONE,
// Policy fetch is pending.
REFRESH_POLICY_FETCH,
// Policy store is pending.
REFRESH_POLICY_STORE,
} refresh_state_;
// Callbacks to invoke upon policy refresh.
std::vector<base::Closure> refresh_callbacks_;
DISALLOW_COPY_AND_ASSIGN(CloudPolicyService);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_CLOUD_POLICY_SERVICE_H_
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