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// Copyright (c) 2010 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_INSTALLER_UTIL_DELETE_REG_KEY_WORK_ITEM_H_
#define CHROME_INSTALLER_UTIL_DELETE_REG_KEY_WORK_ITEM_H_
#pragma once
#include <windows.h>
#include <string>
#include "base/basictypes.h"
#include "base/scoped_ptr.h"
#include "chrome/installer/util/work_item.h"
// A WorkItem subclass that deletes a registry key at the given path. Be aware
// that in the event of rollback the key's values and subkeys are restored but
// the key and its subkeys take on their default security descriptors.
class DeleteRegKeyWorkItem : public WorkItem {
public:
virtual ~DeleteRegKeyWorkItem();
virtual bool Do();
virtual void Rollback();
private:
class RegKeyBackup;
friend class WorkItem;
DeleteRegKeyWorkItem(HKEY predefined_root, const std::wstring& path);
// Root key from which we delete the key. The root key can only be
// one of the predefined keys on Windows.
HKEY predefined_root_;
// Path of the key to be deleted.
std::wstring path_;
// Backup of the deleted key.
scoped_ptr<RegKeyBackup> backup_;
DISALLOW_COPY_AND_ASSIGN(DeleteRegKeyWorkItem);
};
#endif // CHROME_INSTALLER_UTIL_DELETE_REG_KEY_WORK_ITEM_H_
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