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nsWebNavigationInfo.h
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla.org code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Boris Zbarsky <bzbarsky@mit.edu>.
00019  * Portions created by the Initial Developer are Copyright (C) 2005
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
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
00028  * of those above. If you wish to allow use of your version of this file only
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00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 
00038 #ifndef nsWebNavigationInfo_h__
00039 #define nsWebNavigationInfo_h__
00040 
00041 #include "nsIWebNavigationInfo.h"
00042 #include "nsCOMPtr.h"
00043 #include "nsICategoryManager.h"
00044 #include "imgILoader.h"
00045 #include "nsStringFwd.h"
00046 
00047 // Class ID for webnavigationinfo
00048 #define NS_WEBNAVIGATION_INFO_CID \
00049  { 0xf30bc0a2, 0x958b, 0x4287,{0xbf, 0x62, 0xce, 0x38, 0xba, 0x0c, 0x81, 0x1e}}
00050 
00051 class nsWebNavigationInfo : public nsIWebNavigationInfo
00052 {
00053 public:
00054   nsWebNavigationInfo() {}
00055   
00056   NS_DECL_ISUPPORTS
00057 
00058   NS_DECL_NSIWEBNAVIGATIONINFO
00059 
00060   nsresult Init();
00061 
00062 private:
00063   ~nsWebNavigationInfo() {}
00064   
00065   // Check whether aType is supported.  If this method throws, the
00066   // value of aIsSupported is not changed.
00067   nsresult IsTypeSupportedInternal(const nsCString& aType,
00068                                    PRUint32* aIsSupported);
00069   
00070   nsCOMPtr<nsICategoryManager> mCategoryManager;
00071   // XXXbz we only need this because images register for the same
00072   // contractid as documents, so we can't tell them apart based on
00073   // contractid.
00074   nsCOMPtr<imgILoader> mImgLoader;
00075 };
00076 
00077 #endif  // nsWebNavigationInfo_h__