src/chrome/browser/media_galleries/fileapi/media_file_validator_factory.cc

   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 #include "chrome/browser/media_galleries/fileapi/media_file_validator_factory.h"
   6
   7 #include "base/files/file_path.h"
   8 #include "chrome/browser/media_galleries/fileapi/supported_audio_video_checker.h"
   9 #include "chrome/browser/media_galleries/fileapi/supported_image_type_validator.h"
  10 #include "storage/browser/fileapi/copy_or_move_file_validator.h"
  11 #include "storage/browser/fileapi/file_system_url.h"
  12
  13 namespace {
  14
  15 class InvalidFileValidator : public storage::CopyOrMoveFileValidator {
  16  public:
  17   ~InvalidFileValidator() override {}
  18   void StartPreWriteValidation(
  19       const storage::CopyOrMoveFileValidator::ResultCallback& result_callback)
  20       override {
  21     result_callback.Run(base::File::FILE_ERROR_SECURITY);
  22   }
  23
  24   void StartPostWriteValidation(
  25       const base::FilePath& dest_platform_path,
  26       const storage::CopyOrMoveFileValidator::ResultCallback& result_callback)
  27       override {
  28     result_callback.Run(base::File::FILE_ERROR_SECURITY);
  29   }
  30
  31  private:
  32   friend class ::MediaFileValidatorFactory;
  33
  34   InvalidFileValidator() {}
  35
  36   DISALLOW_COPY_AND_ASSIGN(InvalidFileValidator);
  37 };
  38
  39 }  // namespace
  40
  41 MediaFileValidatorFactory::MediaFileValidatorFactory() {}
  42 MediaFileValidatorFactory::~MediaFileValidatorFactory() {}
  43
  44 storage::CopyOrMoveFileValidator*
  45 MediaFileValidatorFactory::CreateCopyOrMoveFileValidator(
  46     const storage::FileSystemURL& src,
  47     const base::FilePath& platform_path) {
  48   base::FilePath src_path = src.virtual_path();
  49   if (SupportedImageTypeValidator::SupportsFileType(src_path))
  50     return new SupportedImageTypeValidator(platform_path);
  51   if (SupportedAudioVideoChecker::SupportsFileType(src_path))
  52     return new SupportedAudioVideoChecker(platform_path);
  53
  54   return new InvalidFileValidator();
  55 }