Create VisualElementsManifest.xml from template -- install VisualElements in the version directory

chrome/installer/util/work_item.h

 // Copyright (c) 2011 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.
 //
 // Base class for managing an action of a sequence of actions to be carried
 // out during install/update/uninstall. Supports rollback of actions if this
 // process fails.
 
 #ifndef CHROME_INSTALLER_UTIL_WORK_ITEM_H_
 #define CHROME_INSTALLER_UTIL_WORK_ITEM_H_
 #pragma once
 
 #include <windows.h>
 
-#include <string>
+#include <map>
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/string16.h"
 
 class CopyRegKeyWorkItem;
 class CopyTreeWorkItem;
 class CreateDirWorkItem;
 class CreateRegKeyWorkItem;
 class DeleteTreeWorkItem;
 class DeleteRegKeyWorkItem;
 class DeleteRegValueWorkItem;
+class FileFromTemplateWorkItem;
 class FilePath;
 class MoveTreeWorkItem;
 class SelfRegWorkItem;
 class SetRegValueWorkItem;
 class WorkItemList;
 
 // A base class that defines APIs to perform/rollback an action or a
 // sequence of actions during install/update/uninstall.
 class WorkItem {
  public:
@@ skipping 18 matching lines @@
    public:
     virtual ~Condition() {}
     virtual bool ShouldRun() const = 0;
   };
 
   virtual ~WorkItem();
 
   // Create a CopyRegKeyWorkItem that recursively copies a given registry key.
   static CopyRegKeyWorkItem* CreateCopyRegKeyWorkItem(
       HKEY predefined_root,
-      const std::wstring& source_key_path,
-      const std::wstring& dest_key_path,
+      const string16& source_key_path,
+      const string16& dest_key_path,
       CopyOverWriteOption overwrite_option);
 
   // Create a CopyTreeWorkItem that recursively copies a file system hierarchy
   // from source path to destination path.
   // * If overwrite_option is ALWAYS, the created CopyTreeWorkItem always
   //   overwrites files.
   // * If overwrite_option is NEW_NAME_IF_IN_USE, file is copied with an
   //   alternate name specified by alternative_path.
   static CopyTreeWorkItem* CreateCopyTreeWorkItem(
       const FilePath& source_path,
       const FilePath& dest_path,
       const FilePath& temp_dir,
       CopyOverWriteOption overwrite_option,
       const FilePath& alternative_path);
 
   // Create a CreateDirWorkItem that creates a directory at the given path.
   static CreateDirWorkItem* CreateCreateDirWorkItem(const FilePath& path);
 
   // Create a CreateRegKeyWorkItem that creates a registry key at the given
   // path.
   static CreateRegKeyWorkItem* CreateCreateRegKeyWorkItem(
-      HKEY predefined_root, const std::wstring& path);
+      HKEY predefined_root, const string16& path);
 
   // Create a DeleteRegKeyWorkItem that deletes a registry key at the given
   // path.
   static DeleteRegKeyWorkItem* CreateDeleteRegKeyWorkItem(
-      HKEY predefined_root, const std::wstring& path);
+      HKEY predefined_root, const string16& path);
 
   // Create a DeleteRegValueWorkItem that deletes a registry value
   static DeleteRegValueWorkItem* CreateDeleteRegValueWorkItem(
       HKEY predefined_root,
-      const std::wstring& key_path,
-      const std::wstring& value_name);
+      const string16& key_path,
+      const string16& value_name);
 
   // Create a DeleteTreeWorkItem that recursively deletes a file system
   // hierarchy at the given root path. A key file can be optionally specified
   // by key_path.
   static DeleteTreeWorkItem* CreateDeleteTreeWorkItem(
       const FilePath& root_path,
       const FilePath& temp_path,
       const std::vector<FilePath>& key_paths);
 
+  // Create a FileFromTemplateWorkItem that extracts a template from
+  // |source_path| and writes the resulting file to |dest_path|.
+  static FileFromTemplateWorkItem* CreateFileFromTemplateWorkItem(
+      const FilePath& source_path,
+      const FilePath& dest_path,
+      const FilePath& temp_dir,
+      const std::map<string16, string16>& mappings);
+
   // Create a MoveTreeWorkItem that recursively moves a file system hierarchy
   // from source path to destination path.
   static MoveTreeWorkItem* CreateMoveTreeWorkItem(
       const FilePath& source_path,
       const FilePath& dest_path,
       const FilePath& temp_dir,
       MoveTreeOption duplicate_option);
 
   // Create a SetRegValueWorkItem that sets a registry value with REG_SZ type
   // at the key with specified path.
   static SetRegValueWorkItem* CreateSetRegValueWorkItem(
       HKEY predefined_root,
-      const std::wstring& key_path,
-      const std::wstring& value_name,
-      const std::wstring& value_data,
+      const string16& key_path,
+      const string16& value_name,
+      const string16& value_data,
       bool overwrite);
 
   // Create a SetRegValueWorkItem that sets a registry value with REG_DWORD type
   // at the key with specified path.
   static SetRegValueWorkItem* CreateSetRegValueWorkItem(
       HKEY predefined_root,
-      const std::wstring& key_path,
-      const std::wstring& value_name,
+      const string16& key_path,
+      const string16& value_name,
       DWORD value_data, bool overwrite);
 
   // Create a SetRegValueWorkItem that sets a registry value with REG_QWORD type
   // at the key with specified path.
   static SetRegValueWorkItem* CreateSetRegValueWorkItem(
       HKEY predefined_root,
-      const std::wstring& key_path,
-      const std::wstring& value_name,
+      const string16& key_path,
+      const string16& value_name,
       int64 value_data, bool overwrite);
 
   // Add a SelfRegWorkItem that registers or unregisters a DLL at the
   // specified path.
-  static SelfRegWorkItem* CreateSelfRegWorkItem(const std::wstring& dll_path,
+  static SelfRegWorkItem* CreateSelfRegWorkItem(const string16& dll_path,
                                                 bool do_register,
                                                 bool user_level_registration);
 
   // Create an empty WorkItemList. A WorkItemList can recursively contains
   // a list of WorkItems.
   static WorkItemList* CreateWorkItemList();
 
   // Create an empty WorkItemList that cannot be rolled back.
   // Such a work item list executes all items on a best effort basis and does
   // not abort execution if an item in the list fails.
@@ skipping 35 matching lines @@
   WorkItem();
 
   // Specifies whether this work item my fail to complete and yet still
   // return true from Do().
   bool ignore_failure_;
 
   std::string log_message_;
 };
 
 #endif  // CHROME_INSTALLER_UTIL_WORK_ITEM_H_