gecko/netwerk/protocol/file/nsFileChannel.h

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cin: */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Darin Fisher <darin@meer.net>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#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

  nsFileChannel(nsIURI *uri) {
    SetURI(uri);
  }

protected:
  // 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.
  nsresult MakeFileInputStream(nsIFile *file, nsCOMPtr<nsIInputStream> &stream,
                               nsCString &contentType);

  virtual nsresult OpenContentStream(PRBool async, nsIInputStream **result,
                                     nsIChannel** channel);

private:
  nsCOMPtr<nsIInputStream> mUploadStream;
  PRInt64 mUploadLength;
};

#endif // !nsFileChannel_h__