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 "base/platform_file.h"
   9 #include "chrome/browser/media_galleries/fileapi/supported_audio_video_checker.h"
  10 #include "chrome/browser/media_galleries/fileapi/supported_image_type_validator.h"
  11 #include "webkit/browser/fileapi/copy_or_move_file_validator.h"
  12 #include "webkit/browser/fileapi/file_system_url.h"
  13
  14 namespace {
  15
  16 class InvalidFileValidator : public fileapi::CopyOrMoveFileValidator {
  17  public:
  18   virtual ~InvalidFileValidator() {}
  19   virtual void StartPreWriteValidation(
  20       const fileapi::CopyOrMoveFileValidator::ResultCallback&
  21           result_callback) OVERRIDE {
  22     result_callback.Run(base::PLATFORM_FILE_ERROR_SECURITY);
  23   }
  24
  25   virtual void StartPostWriteValidation(
  26       const base::FilePath& dest_platform_path,
  27       const fileapi::CopyOrMoveFileValidator::ResultCallback&
  28           result_callback) OVERRIDE {
  29     result_callback.Run(base::PLATFORM_FILE_ERROR_SECURITY);
  30   }
  31
  32  private:
  33   friend class ::MediaFileValidatorFactory;
  34
  35   InvalidFileValidator() {}
  36
  37   DISALLOW_COPY_AND_ASSIGN(InvalidFileValidator);
  38 };
  39
  40 }  // namespace
  41
  42 MediaFileValidatorFactory::MediaFileValidatorFactory() {}
  43 MediaFileValidatorFactory::~MediaFileValidatorFactory() {}
  44
  45 fileapi::CopyOrMoveFileValidator*
  46 MediaFileValidatorFactory::CreateCopyOrMoveFileValidator(
  47     const fileapi::FileSystemURL& src,
  48     const base::FilePath& platform_path) {
  49   base::FilePath src_path = src.virtual_path();
  50   if (SupportedImageTypeValidator::SupportsFileType(src_path))
  51     return new SupportedImageTypeValidator(platform_path);
  52   if (SupportedAudioVideoChecker::SupportsFileType(src_path))
  53     return new SupportedAudioVideoChecker(platform_path);
  54
  55   return new InvalidFileValidator();
  56 }