/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** 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
 *  Zack Rusin <zack@kde.org>.
 * Portions created by the Initial Developer are Copyright (C) 2004
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Lars Knoll <knoll@kde.org>
 *   Zack Rusin <zack@kde.org>
 *
 * 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 ***** */
#include <nsISupports.h>
#include <nsCOMPtr.h>
#include <nsIOutputStream.h>
#include <nsIInputStream.h>
#include <nsILoadGroup.h>
#include <nsIChannel.h>
#include <nsIStreamListener.h>

class QGeckoEmbed;

class EmbedStream : public nsIInputStream
{
public:

    EmbedStream();
    ~EmbedStream();

    void      InitOwner      (QGeckoEmbed *aOwner);
    NS_METHOD Init           (void);

    NS_METHOD OpenStream     (const char *aBaseURI, const char *aContentType);
    NS_METHOD AppendToStream (const char *aData, PRInt32 aLen);
    NS_METHOD CloseStream    (void);

    NS_METHOD Append         (const char *aData, PRUint32 aLen);

    // nsISupports
    NS_DECL_ISUPPORTS
    // nsIInputStream
    NS_DECL_NSIINPUTSTREAM

private:
    nsCOMPtr<nsIOutputStream>   mOutputStream;
    nsCOMPtr<nsIInputStream>    mInputStream;

    nsCOMPtr<nsILoadGroup>      mLoadGroup;
    nsCOMPtr<nsIChannel>        mChannel;
    nsCOMPtr<nsIStreamListener> mStreamListener;

    PRUint32                    mOffset;
    PRBool                      mDoingStream;

    QGeckoEmbed *mOwner;

};
