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 CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_ 6#define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_ 7 8#include "base/basictypes.h" 9#include "base/files/file.h" 10#include "base/files/file_path.h" 11#include "base/memory/ref_counted.h" 12#include "base/memory/weak_ptr.h" 13#include "chrome/browser/media_galleries/fileapi/av_scanning_file_validator.h" 14 15class MediaFileValidatorFactory; 16class SafeAudioVideoChecker; 17 18// Uses SafeAudioVideoChecker to validate supported audio and video files in 19// the utility process and then uses AVScanningFileValidator to ask the OS to 20// virus scan them. The entire file is not decoded so a positive result from 21// this class does not make the file safe to use in the browser process. 22class SupportedAudioVideoChecker : public AVScanningFileValidator { 23 public: 24 virtual ~SupportedAudioVideoChecker(); 25 26 static bool SupportsFileType(const base::FilePath& path); 27 28 virtual void StartPreWriteValidation( 29 const ResultCallback& result_callback) OVERRIDE; 30 31 private: 32 friend class MediaFileValidatorFactory; 33 34 explicit SupportedAudioVideoChecker(const base::FilePath& file); 35 36 void OnFileOpen(base::File file); 37 38 base::FilePath path_; 39 storage::CopyOrMoveFileValidator::ResultCallback callback_; 40 scoped_refptr<SafeAudioVideoChecker> safe_checker_; 41 base::WeakPtrFactory<SupportedAudioVideoChecker> weak_factory_; 42 43 DISALLOW_COPY_AND_ASSIGN(SupportedAudioVideoChecker); 44}; 45 46#endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_ 47