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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_
#define CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_
#include "base/basictypes.h"
#include "base/files/file.h"
#include "base/files/file_path.h"
#include "base/memory/ref_counted.h"
#include "base/memory/weak_ptr.h"
#include "chrome/browser/media_galleries/fileapi/av_scanning_file_validator.h"
class MediaFileValidatorFactory;
class SafeAudioVideoChecker;
// Uses SafeAudioVideoChecker to validate supported audio and video files in
// the utility process and then uses AVScanningFileValidator to ask the OS to
// virus scan them. The entire file is not decoded so a positive result from
// this class does not make the file safe to use in the browser process.
class SupportedAudioVideoChecker : public AVScanningFileValidator {
public:
~SupportedAudioVideoChecker() override;
static bool SupportsFileType(const base::FilePath& path);
void StartPreWriteValidation(const ResultCallback& result_callback) override;
private:
friend class MediaFileValidatorFactory;
explicit SupportedAudioVideoChecker(const base::FilePath& file);
void OnFileOpen(base::File file);
base::FilePath path_;
storage::CopyOrMoveFileValidator::ResultCallback callback_;
scoped_refptr<SafeAudioVideoChecker> safe_checker_;
base::WeakPtrFactory<SupportedAudioVideoChecker> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(SupportedAudioVideoChecker);
};
#endif // CHROME_BROWSER_MEDIA_GALLERIES_FILEAPI_SUPPORTED_AUDIO_VIDEO_CHECKER_H_
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