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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_LOGIN_VERSION_INFO_UPDATER_H_
#define CHROME_BROWSER_CHROMEOS_LOGIN_VERSION_INFO_UPDATER_H_
#pragma once
#include <string>
#include "chrome/browser/chromeos/boot_times_loader.h"
#include "chrome/browser/chromeos/version_loader.h"
#include "chrome/browser/policy/cloud_policy_subsystem.h"
#include "content/public/browser/notification_observer.h"
namespace chromeos {
class CrosSettings;
// Fetches all info we want to show on OOBE/Login screens about system
// version, boot times and cloud policy.
class VersionInfoUpdater : public policy::CloudPolicySubsystem::Observer,
public content::NotificationObserver {
public:
class Delegate {
public:
virtual ~Delegate() {}
// Called when OS version label should be updated.
virtual void OnOSVersionLabelTextUpdated(
const std::string& os_version_label_text) = 0;
// Called when boot times label should be updated.
virtual void OnBootTimesLabelTextUpdated(
const std::string& boot_times_label_text) = 0;
// Called when the enterprise info notice should be updated.
virtual void OnEnterpriseInfoUpdated(
const std::string& enterprise_info,
bool reporting_hint) = 0;
};
explicit VersionInfoUpdater(Delegate* delegate);
virtual ~VersionInfoUpdater();
// Sets delegate.
void set_delegate(Delegate* delegate) { delegate_ = delegate; }
// Starts fetching version info. The delegate will be notified when update
// is received.
void StartUpdate(bool is_official_build);
private:
// policy::CloudPolicySubsystem::Observer methods:
virtual void OnPolicyStateChanged(
policy::CloudPolicySubsystem::PolicySubsystemState state,
policy::CloudPolicySubsystem::ErrorDetails error_details) OVERRIDE;
// content::NotificationObserver interface.
virtual void Observe(
int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
// Update the version label.
void UpdateVersionLabel();
// Check and update enterprise domain.
void UpdateEnterpriseInfo();
// Set enterprise domain name.
void SetEnterpriseInfo(const std::string& domain_name,
const std::string& status_text,
bool reporting_hint);
// Callback from chromeos::VersionLoader giving the version.
void OnVersion(VersionLoader::Handle handle, std::string version);
// Callback from chromeos::InfoLoader giving the boot times.
void OnBootTimes(
BootTimesLoader::Handle handle, BootTimesLoader::BootTimes boot_times);
// Null callback from chromeos::InfoLoader.
void OnBootTimesNoop(
BootTimesLoader::Handle handle, BootTimesLoader::BootTimes boot_times);
// Handles asynchronously loading the version.
VersionLoader version_loader_;
// Used to request the version.
CancelableRequestConsumer version_consumer_;
// Handles asynchronously loading the boot times.
BootTimesLoader boot_times_loader_;
// Used to request the boot times.
CancelableRequestConsumer boot_times_consumer_;
// Information pieces for version label.
std::string version_text_;
std::string enterprise_domain_text_;
std::string enterprise_status_text_;
bool enterprise_reporting_hint_;
// Full text for the OS version label.
std::string os_version_label_text_;
// CloudPolicySubsysterm observer registrar
scoped_ptr<policy::CloudPolicySubsystem::ObserverRegistrar>
cloud_policy_registrar_;
chromeos::CrosSettings* cros_settings_;
Delegate* delegate_;
DISALLOW_COPY_AND_ASSIGN(VersionInfoUpdater);
};
} // namespace chromeos
#endif // CHROME_BROWSER_CHROMEOS_LOGIN_VERSION_INFO_UPDATER_H_
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