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 17 class 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. 22 class 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, 34 const std::wstring& path, 35 REGSAM wow64_access); 36 37 // Root key from which we delete the key. The root key can only be 38 // one of the predefined keys on Windows. 39 HKEY predefined_root_; 40 41 // Path of the key to be deleted. 42 std::wstring path_; 43 44 // Whether to force 32-bit or 64-bit view of the target key. 45 REGSAM wow64_access_; 46 47 // Backup of the deleted key. 48 RegistryKeyBackup backup_; 49 50 DISALLOW_COPY_AND_ASSIGN(DeleteRegKeyWorkItem); 51 }; 52 53 #endif // CHROME_INSTALLER_UTIL_DELETE_REG_KEY_WORK_ITEM_H_ 54