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lightning-sunbird  0.9+nobinonly
EmbedStream.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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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>
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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
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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 
00046 class EmbedPrivate;
00047   
00048 class EmbedStream : public nsIInputStream 
00049 {
00050  public:
00051 
00052   EmbedStream();
00053   virtual ~EmbedStream();
00054 
00055   void      InitOwner      (EmbedPrivate *aOwner);
00056   NS_METHOD Init           (void);
00057 
00058   NS_METHOD OpenStream     (const char *aBaseURI, const char *aContentType);
00059   NS_METHOD AppendToStream (const char *aData, PRInt32 aLen);
00060   NS_METHOD CloseStream    (void);
00061 
00062   NS_METHOD Append         (const char *aData, PRUint32 aLen);
00063 
00064   // nsISupports
00065   NS_DECL_ISUPPORTS
00066   // nsIInputStream
00067   NS_DECL_NSIINPUTSTREAM
00068 
00069  private:
00070   nsCOMPtr<nsIOutputStream>   mOutputStream;
00071   nsCOMPtr<nsIInputStream>    mInputStream;
00072 
00073   nsCOMPtr<nsILoadGroup>      mLoadGroup;
00074   nsCOMPtr<nsIChannel>        mChannel;
00075   nsCOMPtr<nsIStreamListener> mStreamListener;
00076 
00077   PRUint32                    mOffset;
00078   PRBool                      mDoingStream;
00079 
00080   EmbedPrivate *mOwner;
00081 
00082 };