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      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 WEBKIT_BROWSER_FILEAPI_COPY_OR_MOVE_FILE_VALIDATOR_H_
      6 #define WEBKIT_BROWSER_FILEAPI_COPY_OR_MOVE_FILE_VALIDATOR_H_
      7 
      8 #include "base/callback.h"
      9 #include "base/platform_file.h"
     10 #include "webkit/browser/webkit_storage_browser_export.h"
     11 
     12 namespace base {
     13 class FilePath;
     14 }
     15 
     16 namespace fileapi {
     17 
     18 class FileSystemURL;
     19 
     20 class WEBKIT_STORAGE_BROWSER_EXPORT CopyOrMoveFileValidator {
     21  public:
     22   // Callback that is invoked when validation completes. A result of
     23   // base::PLATFORM_FILE_OK means the file validated.
     24   typedef base::Callback<void(base::PlatformFileError 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 fileapi
     53 
     54 #endif  // WEBKIT_BROWSER_FILEAPI_COPY_OR_MOVE_FILE_VALIDATOR_H_
     55