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lightning-sunbird  0.9+nobinonly
CHeaderSniffer.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
00006  * the License. You may obtain a copy of the License at
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 Chimera code.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Netscape Communications Corporation.
00018  * Portions created by the Initial Developer are Copyright (C) 2002
00019  * the Initial Developer. All Rights Reserved.
00020  *
00021  * Contributor(s):
00022  *   David Hyatt  <hyatt@netscape.com>
00023  *   Simon Fraser <sfraser@netscape.com>
00024  *
00025  * Alternatively, the contents of this file may be used under the terms of
00026  * either the GNU General Public License Version 2 or later (the "GPL"), or
00027  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00028  * in which case the provisions of the GPL or the LGPL are applicable instead
00029  * of those above. If you wish to allow use of your version of this file only
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00031  * use your version of this file under the terms of the MPL, indicate your
00032  * decision by deleting the provisions above and replace them with the notice
00033  * and other provisions required by the GPL or the LGPL. If you do not delete
00034  * the provisions above, a recipient may use your version of this file under
00035  * the terms of any one of the MPL, the GPL or the LGPL.
00036  *
00037  * ***** END LICENSE BLOCK ***** */
00038 
00039  #pragma once
00040 
00041 #include "nsString.h"
00042 #include "nsIWebProgressListener.h"
00043 #include "nsIWebBrowserPersist.h"
00044 #include "nsIURI.h"
00045 #include "nsILocalFile.h"
00046 #include "nsIInputStream.h"
00047 #include "nsIDOMDocument.h"
00048 
00049 
00050 typedef enum
00051 {
00052   eSaveFormatUnspecified = 0,
00053   eSaveFormatPlainText,       // items should match the MENU in resources
00054   eSaveFormatHTML,
00055   eSaveFormatHTMLComplete
00056 } ESaveFormat;
00057 
00058 // Implementation of a header sniffer class that is used when saving Web pages and images.
00059 class CHeaderSniffer : public nsIWebProgressListener
00060 {
00061 public:
00062     CHeaderSniffer(nsIWebBrowserPersist* aPersist, nsIFile* aFile, nsIURI* aURL,
00063                     nsIDOMDocument* aDocument, nsIInputStream* aPostData,
00064                     const nsAString& aSuggestedFilename, PRBool aBypassCache,
00065                     ESaveFormat aSaveFormat = eSaveFormatUnspecified);
00066     virtual ~CHeaderSniffer();
00067 
00068     NS_DECL_ISUPPORTS
00069     NS_DECL_NSIWEBPROGRESSLISTENER
00070   
00071 protected:
00072 
00073     nsresult  PerformSave(nsIURI* inOriginalURI, const ESaveFormat inSaveFormat);
00074     nsresult  InitiateDownload(nsISupports* inSourceData, nsILocalFile* inDestFile, nsIURI* inOriginalURI);
00075 
00076 private:
00077 
00078     nsIWebBrowserPersist*     mPersist; // Weak. It owns us as a listener.
00079     nsCOMPtr<nsIFile>         mTmpFile;
00080     nsCOMPtr<nsIURI>          mURL;
00081     nsCOMPtr<nsIDOMDocument>  mDocument;
00082     nsCOMPtr<nsIInputStream>  mPostData;
00083     nsString                  mDefaultFilename;
00084     PRBool                    mBypassCache;
00085     ESaveFormat               mSaveFormat;
00086     nsCString                 mContentType;
00087     nsCString                 mContentDisposition;
00088 };
00089