Upstream version 11.40.277.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / media_galleries / fileapi / supported_audio_video_checker.h
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
15 class MediaFileValidatorFactory;
16 class 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.
22 class SupportedAudioVideoChecker : public AVScanningFileValidator {
23  public:
24   ~SupportedAudioVideoChecker() override;
25
26   static bool SupportsFileType(const base::FilePath& path);
27
28   void StartPreWriteValidation(const ResultCallback& result_callback) override;
29
30  private:
31   friend class MediaFileValidatorFactory;
32
33   explicit SupportedAudioVideoChecker(const base::FilePath& file);
34
35   void OnFileOpen(base::File file);
36
37   base::FilePath path_;
38   storage::CopyOrMoveFileValidator::ResultCallback callback_;
39   scoped_refptr<SafeAudioVideoChecker> safe_checker_;
40   base::WeakPtrFactory<SupportedAudioVideoChecker> weak_factory_;
41
42   DISALLOW_COPY_AND_ASSIGN(SupportedAudioVideoChecker);
43 };
44
45 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_