/* ***** 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 Zip Writer Component.
 *
 * The Initial Developer of the Original Code is
 * Dave Townsend <dtownsend@oxymoronical.com>.
 *
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *      Mook <mook.moz+random.code@gmail.com>
 *
 * 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 _nsZipDataStream_h_
#define _nsZipDataStream_h_

#include "nsZipWriter.h"
#include "nsIOutputStream.h"
#include "nsIStreamListener.h"
#include "nsAutoPtr.h"

class nsZipDataStream : public nsIStreamListener
{
public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSIREQUESTOBSERVER
    NS_DECL_NSISTREAMLISTENER

    nsZipDataStream()
    {
    }

    nsresult Init(nsZipWriter *aWriter, nsIOutputStream *aStream,
                  nsZipHeader *aHeader, PRInt32 aCompression);

    nsresult ReadStream(nsIInputStream *aStream);

private:

    nsCOMPtr<nsIStreamListener> mOutput;
    nsCOMPtr<nsIOutputStream> mStream;
    nsRefPtr<nsZipWriter> mWriter;
    nsRefPtr<nsZipHeader> mHeader;

    nsresult CompleteEntry();
    nsresult ProcessData(nsIRequest *aRequest, nsISupports *aContext,
                         char *aBuffer, PRUint32 aOffset, PRUint32 aCount);
};

#endif