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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.
#include "chrome/browser/policy/user_cloud_policy_manager.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "chrome/browser/policy/cloud_policy_service.h"
#include "chrome/browser/policy/policy_types.h"
#include "chrome/common/pref_names.h"
namespace policy {
UserCloudPolicyManager::UserCloudPolicyManager(
scoped_ptr<CloudPolicyStore> store,
bool wait_for_policy_fetch)
: CloudPolicyManager(store.Pass()),
wait_for_policy_fetch_(wait_for_policy_fetch) {}
UserCloudPolicyManager::~UserCloudPolicyManager() {
if (cloud_policy_client())
cloud_policy_client()->RemoveObserver(this);
}
// static
scoped_ptr<UserCloudPolicyManager> UserCloudPolicyManager::Create(
Profile* profile,
bool wait_for_policy_fetch) {
scoped_ptr<CloudPolicyStore> store =
CloudPolicyStore::CreateUserPolicyStore(profile);
return scoped_ptr<UserCloudPolicyManager>(
new UserCloudPolicyManager(store.Pass(), wait_for_policy_fetch));
}
void UserCloudPolicyManager::Initialize(
PrefService* local_state,
DeviceManagementService* device_management_service,
UserAffiliation user_affiliation) {
DCHECK(device_management_service);
DCHECK(local_state);
local_state_ = local_state;
scoped_ptr<CloudPolicyClient> client(
new CloudPolicyClient(std::string(), std::string(), user_affiliation,
POLICY_SCOPE_USER, NULL,
device_management_service));
InitializeService(client.Pass());
cloud_policy_client()->AddObserver(this);
if (wait_for_policy_fetch_) {
// If we are supposed to wait for a policy fetch, we trigger an explicit
// policy refresh at startup that allows us to unblock initialization once
// done. The refresh scheduler only gets started once that refresh
// completes. Note that we might have to wait for registration to happen,
// see OnRegistrationStateChanged() below.
if (cloud_policy_client()->is_registered()) {
cloud_policy_service()->RefreshPolicy(
base::Bind(&UserCloudPolicyManager::OnInitialPolicyFetchComplete,
base::Unretained(this)));
}
} else {
CancelWaitForPolicyFetch();
}
}
void UserCloudPolicyManager::ShutdownAndRemovePolicy() {
if (cloud_policy_client())
cloud_policy_client()->RemoveObserver(this);
ShutdownService();
local_state_ = NULL;
cloud_policy_store()->Clear();
}
void UserCloudPolicyManager::CancelWaitForPolicyFetch() {
wait_for_policy_fetch_ = false;
CheckAndPublishPolicy();
// Now that |wait_for_policy_fetch_| is guaranteed to be false, the scheduler
// can be started.
if (cloud_policy_service() && local_state_)
StartRefreshScheduler(local_state_, prefs::kUserPolicyRefreshRate);
}
bool UserCloudPolicyManager::IsClientRegistered() const {
return cloud_policy_client() && cloud_policy_client()->is_registered();
}
void UserCloudPolicyManager::RegisterClient(const std::string& access_token) {
DCHECK(cloud_policy_client()) << "Callers must invoke Initialize() first";
if (!cloud_policy_client()->is_registered()) {
DVLOG(1) << "Registering client with access token: " << access_token;
cloud_policy_client()->Register(access_token);
}
}
bool UserCloudPolicyManager::IsInitializationComplete() const {
return CloudPolicyManager::IsInitializationComplete() &&
!wait_for_policy_fetch_;
}
void UserCloudPolicyManager::OnPolicyFetched(CloudPolicyClient* client) {
// No action required. If we're blocked on a policy fetch, we'll learn about
// completion of it through OnInitialPolicyFetchComplete().
}
void UserCloudPolicyManager::OnRegistrationStateChanged(
CloudPolicyClient* client) {
DCHECK_EQ(cloud_policy_client(), client);
if (wait_for_policy_fetch_) {
// If we're blocked on the policy fetch, now is a good time to issue it.
if (cloud_policy_client()->is_registered()) {
cloud_policy_service()->RefreshPolicy(
base::Bind(&UserCloudPolicyManager::OnInitialPolicyFetchComplete,
base::Unretained(this)));
} else {
// If the client has switched to not registered, we bail out as this
// indicates the cloud policy setup flow has been aborted.
CancelWaitForPolicyFetch();
}
}
}
void UserCloudPolicyManager::OnClientError(CloudPolicyClient* client) {
DCHECK_EQ(cloud_policy_client(), client);
CancelWaitForPolicyFetch();
}
void UserCloudPolicyManager::OnInitialPolicyFetchComplete() {
CancelWaitForPolicyFetch();
}
} // namespace policy
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