netwerk/protocol/file/nsFileChannel.h
author Wei-Cheng Pan <wpan@mozilla.com>
Mon, 03 Oct 2016 14:54:40 +0800
changeset 421007 ae2b82daf0187912641802c04b4bdfe3f8ace9d2
parent 252249 ac4464790ec4896a5188fa50cfc69ae0ffeddc08
child 489668 cbb8fdf1daf98a15f7d57f6b08d273bdf96aa1a0
child 583247 7f28c1084c47d771be342692f37a8b0d575d3264
permissions -rw-r--r--
Bug 1307364 - Use MOZ_MUST_USE in netwerk/protocol/file r?valentin MozReview-Commit-ID: 4EaTsMOpy0n

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cin: */
/* 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 nsFileChannel_h__
#define nsFileChannel_h__

#include "nsBaseChannel.h"
#include "nsIFileChannel.h"
#include "nsIUploadChannel.h"

class nsFileChannel : public nsBaseChannel
                    , public nsIFileChannel
                    , public nsIUploadChannel
{
public: 
  NS_DECL_ISUPPORTS_INHERITED
  NS_DECL_NSIFILECHANNEL
  NS_DECL_NSIUPLOADCHANNEL

  explicit nsFileChannel(nsIURI *uri);

protected:
  ~nsFileChannel();

  // Called to construct a blocking file input stream for the given file.  This
  // method also returns a best guess at the content-type for the data stream.
  // NOTE: If the channel has a type hint set, contentType will be left
  // untouched. The caller should not use it in that case.
  MOZ_MUST_USE nsresult MakeFileInputStream(nsIFile *file,
                                            nsCOMPtr<nsIInputStream> &stream,
                                            nsCString &contentType, bool async);

  virtual MOZ_MUST_USE nsresult OpenContentStream(bool async,
                                                  nsIInputStream **result,
                                                  nsIChannel** channel) override;

private:
  nsCOMPtr<nsIInputStream> mUploadStream;
  int64_t mUploadLength;
};

#endif // !nsFileChannel_h__