storage/browser/fileapi/copy_or_move_file_validator.h

   1 // Copyright 2013 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 STORAGE_BROWSER_FILEAPI_COPY_OR_MOVE_FILE_VALIDATOR_H_
   6 #define STORAGE_BROWSER_FILEAPI_COPY_OR_MOVE_FILE_VALIDATOR_H_
   7
   8 #include "base/callback.h"
   9 #include "base/files/file.h"
  10 #include "storage/browser/storage_browser_export.h"
  11
  12 namespace base {
  13 class FilePath;
  14 }
  15
  16 namespace storage {
  17
  18 class FileSystemURL;
  19
  20 class STORAGE_EXPORT CopyOrMoveFileValidator {
  21  public:
  22   // Callback that is invoked when validation completes. A result of
  23   // base::File::FILE_OK means the file validated.
  24   typedef base::Callback<void(base::File::Error result)> ResultCallback;
  25
  26   virtual ~CopyOrMoveFileValidator() {}
  27
  28   // Called on a source file before copying or moving to the final
  29   // destination.
  30   virtual void StartPreWriteValidation(
  31       const ResultCallback& result_callback) = 0;
  32
  33   // Called on a destination file after copying or moving to the final
  34   // destination. Suitable for running Anti-Virus checks.
  35   virtual void StartPostWriteValidation(
  36       const base::FilePath& dest_platform_path,
  37       const ResultCallback& result_callback) = 0;
  38 };
  39
  40 class CopyOrMoveFileValidatorFactory {
  41  public:
  42   virtual ~CopyOrMoveFileValidatorFactory() {}
  43
  44   // This method must always return a non-NULL validator. |src_url| is needed
  45   // in addition to |platform_path| because in the obfuscated file system
  46   // case, |platform_path| will be an obfuscated filename and extension.
  47   virtual CopyOrMoveFileValidator* CreateCopyOrMoveFileValidator(
  48       const FileSystemURL& src_url,
  49       const base::FilePath& platform_path) = 0;
  50 };
  51
  52 }  // namespace storage
  53
  54 #endif  // STORAGE_BROWSER_FILEAPI_COPY_OR_MOVE_FILE_VALIDATOR_H_