1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
2 : *
3 : * ***** BEGIN LICENSE BLOCK *****
4 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 : *
6 : * The contents of this file are subject to the Mozilla Public License Version
7 : * 1.1 (the "License"); you may not use this file except in compliance with
8 : * the License. You may obtain a copy of the License at
9 : * http://www.mozilla.org/MPL/
10 : *
11 : * Software distributed under the License is distributed on an "AS IS" basis,
12 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13 : * for the specific language governing rights and limitations under the
14 : * License.
15 : *
16 : * The Original Code is the Mozilla browser.
17 : *
18 : * The Initial Developer of the Original Code is
19 : * Netscape Communications, Inc.
20 : * Portions created by the Initial Developer are Copyright (C) 1999
21 : * the Initial Developer. All Rights Reserved.
22 : *
23 : * Contributor(s):
24 : * Travis Bogard <travis@netscape.com>
25 : *
26 : * Alternatively, the contents of this file may be used under the terms of
27 : * either of the GNU General Public License Version 2 or later (the "GPL"),
28 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
29 : * in which case the provisions of the GPL or the LGPL are applicable instead
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35 : * the provisions above, a recipient may use your version of this file under
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37 : *
38 : * ***** END LICENSE BLOCK ***** */
39 :
40 : #ifndef nsDSURIContentListener_h__
41 : #define nsDSURIContentListener_h__
42 :
43 : #include "nsCOMPtr.h"
44 : #include "nsString.h"
45 : #include "nsIURIContentListener.h"
46 : #include "nsWeakReference.h"
47 :
48 : class nsDocShell;
49 : class nsIWebNavigationInfo;
50 :
51 : class nsDSURIContentListener :
52 : public nsIURIContentListener,
53 : public nsSupportsWeakReference
54 :
55 : {
56 : friend class nsDocShell;
57 : public:
58 : NS_DECL_ISUPPORTS
59 : NS_DECL_NSIURICONTENTLISTENER
60 :
61 : nsresult Init();
62 :
63 : protected:
64 : nsDSURIContentListener(nsDocShell* aDocShell);
65 : virtual ~nsDSURIContentListener();
66 :
67 0 : void DropDocShellreference() {
68 0 : mDocShell = nsnull;
69 0 : }
70 :
71 : // Determine if X-Frame-Options allows content to be framed
72 : // as a subdocument
73 : bool CheckFrameOptions(nsIRequest* request);
74 :
75 : protected:
76 : nsDocShell* mDocShell;
77 :
78 : // Store the parent listener in either of these depending on
79 : // if supports weak references or not. Proper weak refs are
80 : // preferred and encouraged!
81 : nsWeakPtr mWeakParentContentListener;
82 : nsIURIContentListener* mParentContentListener;
83 :
84 : nsCOMPtr<nsIWebNavigationInfo> mNavInfo;
85 : };
86 :
87 : #endif /* nsDSURIContentListener_h__ */
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