/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef STREAM_H_

#define STREAM_H_

#include "DecoderDoctorLogger.h"

#include "nsISupportsImpl.h"

namespace mozilla {

DDLoggedTypeDeclName(ByteStream);

class ByteStream : public DecoderDoctorLifeLogger<ByteStream>

{

public:

  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ByteStream);

  virtual bool ReadAt(int64_t offset, void* data, size_t size,

                      size_t* bytes_read) = 0;

  virtual bool CachedReadAt(int64_t offset, void* data, size_t size,

                            size_t* bytes_read) = 0;

  virtual bool Length(int64_t* size) = 0;

  virtual void DiscardBefore(int64_t offset) {}

protected:

  virtual ~ByteStream() {}

};

}

#endif