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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 #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   virtual ~InvalidFileValidator() {}
     18   virtual void StartPreWriteValidation(
     19       const storage::CopyOrMoveFileValidator::ResultCallback& result_callback)
     20       OVERRIDE {
     21     result_callback.Run(base::File::FILE_ERROR_SECURITY);
     22   }
     23 
     24   virtual 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 }
     56