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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_UI_WEBUI_HELP_VERSION_UPDATER_CHROMEOS_H_
#define CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_CHROMEOS_H_
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/ui/webui/help/version_updater.h"
#include "chromeos/dbus/update_engine_client.h"
class VersionUpdaterCros : public VersionUpdater,
public chromeos::UpdateEngineClient::Observer {
public:
// VersionUpdater implementation.
virtual void CheckForUpdate(const StatusCallback& callback) OVERRIDE;
virtual void RelaunchBrowser() const OVERRIDE;
virtual void SetChannel(const std::string& channel,
bool is_powerwash_allowed) OVERRIDE;
virtual void GetChannel(bool get_current_channel,
const ChannelCallback& callback) OVERRIDE;
protected:
friend class VersionUpdater;
// Clients must use VersionUpdater::Create().
VersionUpdaterCros();
virtual ~VersionUpdaterCros();
private:
// UpdateEngineClient::Observer implementation.
virtual void UpdateStatusChanged(
const chromeos::UpdateEngineClient::Status& status) OVERRIDE;
// Callback from UpdateEngineClient::RequestUpdateCheck().
void OnUpdateCheck(chromeos::UpdateEngineClient::UpdateCheckResult result);
// Callback used to communicate update status to the client.
StatusCallback callback_;
// Last state received via UpdateStatusChanged().
chromeos::UpdateEngineClient::UpdateStatusOperation last_operation_;
base::WeakPtrFactory<VersionUpdaterCros> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(VersionUpdaterCros);
};
#endif // CHROME_BROWSER_UI_WEBUI_HELP_VERSION_UPDATER_CHROMEOS_H_
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