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lightning-sunbird  0.9+nobinonly
nsEmbedStream.h
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
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00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is mozilla.org code.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Christopher Blizzard. Portions created by Christopher Blizzard are Copyright (C) Christopher Blizzard.  All Rights Reserved.
00018  * Portions created by the Initial Developer are Copyright (C) 2001
00019  * the Initial Developer. All Rights Reserved.
00020  *
00021  * Contributor(s):
00022  *   Christopher Blizzard <blizzard@mozilla.org>
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either the GNU General Public License Version 2 or later (the "GPL"), or
00026  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
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00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #include <nsISupports.h>
00039 #include <nsCOMPtr.h>
00040 #include <nsIOutputStream.h>
00041 #include <nsIInputStream.h>
00042 #include <nsILoadGroup.h>
00043 #include <nsIChannel.h>
00044 #include <nsIStreamListener.h>
00045 #include <nsIWebBrowser.h>
00046 
00047 class nsEmbedStream : public nsIInputStream 
00048 {
00049  public:
00050 
00051   nsEmbedStream();
00052   virtual ~nsEmbedStream();
00053 
00054   void      InitOwner      (nsIWebBrowser *aOwner);
00055   NS_METHOD Init           (void);
00056 
00057   NS_METHOD OpenStream     (nsIURI *aBaseURI, const nsACString& aContentType);
00058   NS_METHOD AppendToStream (const PRUint8 *aData, PRUint32 aLen);
00059   NS_METHOD CloseStream    (void);
00060 
00061   NS_METHOD Append         (const PRUint8 *aData, PRUint32 aLen);
00062 
00063   // nsISupports
00064   NS_DECL_ISUPPORTS
00065   // nsIInputStream
00066   NS_DECL_NSIINPUTSTREAM
00067 
00068  private:
00069   nsCOMPtr<nsIOutputStream>   mOutputStream;
00070   nsCOMPtr<nsIInputStream>    mInputStream;
00071 
00072   nsCOMPtr<nsILoadGroup>      mLoadGroup;
00073   nsCOMPtr<nsIChannel>        mChannel;
00074   nsCOMPtr<nsIStreamListener> mStreamListener;
00075 
00076   PRUint32                    mOffset;
00077   PRBool                      mDoingStream;
00078 
00079   nsIWebBrowser              *mOwner;
00080 
00081 };