delete_reg_key_work_item.h revision 5821806d5e7f356e8fa4b058a389a808ea183019
1// Copyright (c) 2011 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef CHROME_INSTALLER_UTIL_DELETE_REG_KEY_WORK_ITEM_H_ 6#define CHROME_INSTALLER_UTIL_DELETE_REG_KEY_WORK_ITEM_H_ 7 8#include <windows.h> 9 10#include <string> 11 12#include "base/basictypes.h" 13#include "base/compiler_specific.h" 14#include "chrome/installer/util/registry_key_backup.h" 15#include "chrome/installer/util/work_item.h" 16 17class RegistryKeyBackup; 18 19// A WorkItem subclass that deletes a registry key at the given path. Be aware 20// that in the event of rollback the key's values and subkeys are restored but 21// the key and its subkeys take on their default security descriptors. 22class DeleteRegKeyWorkItem : public WorkItem { 23 public: 24 virtual ~DeleteRegKeyWorkItem(); 25 26 virtual bool Do() OVERRIDE; 27 28 virtual void Rollback() OVERRIDE; 29 30 private: 31 friend class WorkItem; 32 33 DeleteRegKeyWorkItem(HKEY predefined_root, const std::wstring& path); 34 35 // Root key from which we delete the key. The root key can only be 36 // one of the predefined keys on Windows. 37 HKEY predefined_root_; 38 39 // Path of the key to be deleted. 40 std::wstring path_; 41 42 // Backup of the deleted key. 43 RegistryKeyBackup backup_; 44 45 DISALLOW_COPY_AND_ASSIGN(DeleteRegKeyWorkItem); 46}; 47 48#endif // CHROME_INSTALLER_UTIL_DELETE_REG_KEY_WORK_ITEM_H_ 49