embedding/browser/webBrowser/nsEmbedStream.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
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   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is mozilla.org code.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Christopher Blizzard.
  18  * Portions created by the Initial Developer are Copyright (C) 2001
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Christopher Blizzard <blizzard@mozilla.org>
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
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  33  * the provisions above, a recipient may use your version of this file under
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  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #include <nsISupports.h>
  39 #include <nsCOMPtr.h>
  40 #include <nsIOutputStream.h>
  41 #include <nsIInputStream.h>
  42 #include <nsILoadGroup.h>
  43 #include <nsIChannel.h>
  44 #include <nsIStreamListener.h>
  45 #include <nsIWebBrowser.h>
  46
  47 class nsEmbedStream : public nsIInputStream
  48 {
  49  public:
  50
  51   nsEmbedStream();
  52   virtual ~nsEmbedStream();
  53
  54   void      InitOwner      (nsIWebBrowser *aOwner);
  55   NS_METHOD Init           (void);
  56
  57   NS_METHOD OpenStream     (nsIURI *aBaseURI, const nsACString& aContentType);
  58   NS_METHOD AppendToStream (const PRUint8 *aData, PRUint32 aLen);
  59   NS_METHOD CloseStream    (void);
  60
  61   NS_METHOD Append         (const PRUint8 *aData, PRUint32 aLen);
  62
  63   // nsISupports
  64   NS_DECL_ISUPPORTS
  65   // nsIInputStream
  66   NS_DECL_NSIINPUTSTREAM
  67
  68  private:
  69   nsCOMPtr<nsIOutputStream>   mOutputStream;
  70   nsCOMPtr<nsIInputStream>    mInputStream;
  71
  72   nsCOMPtr<nsILoadGroup>      mLoadGroup;
  73   nsCOMPtr<nsIChannel>        mChannel;
  74   nsCOMPtr<nsIStreamListener> mStreamListener;
  75
  76   PRUint32                    mOffset;
  77   PRBool                      mDoingStream;
  78
  79   nsIWebBrowser              *mOwner;
  80
  81 };