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.
5 #ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_
6 #define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_
8 #include "base/basictypes.h"
9 #include "base/files/file_path.h"
10 #include "base/memory/ref_counted.h"
11 #include "base/memory/weak_ptr.h"
12 #include "base/platform_file.h"
13 #include "chrome/browser/media_galleries/fileapi/av_scanning_file_validator.h"
15 class MediaFileValidatorFactory;
16 class SafeAudioVideoChecker;
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.
22 class SupportedAudioVideoChecker : public AVScanningFileValidator {
24 virtual ~SupportedAudioVideoChecker();
26 static bool SupportsFileType(const base::FilePath& path);
28 virtual void StartPreWriteValidation(
29 const ResultCallback& result_callback) OVERRIDE;
32 friend class MediaFileValidatorFactory;
34 explicit SupportedAudioVideoChecker(const base::FilePath& file);
36 void OnFileOpen(const base::PlatformFile& file);
39 fileapi::CopyOrMoveFileValidator::ResultCallback callback_;
40 scoped_refptr<SafeAudioVideoChecker> safe_checker_;
41 base::WeakPtrFactory<SupportedAudioVideoChecker> weak_factory_;
43 DISALLOW_COPY_AND_ASSIGN(SupportedAudioVideoChecker);
46 #endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_