gecko-dev/docshell/base/nsDSURIContentListener.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Mozilla browser.
*
* The Initial Developer of the Original Code is
* Netscape Communications, Inc.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Travis Bogard <travis@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsDSURIContentListener_h__
#define nsDSURIContentListener_h__
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsIURIContentListener.h"
#include "nsWeakReference.h"
class nsDocShell;
class nsIWebNavigationInfo;
class nsDSURIContentListener :
public nsIURIContentListener,
public nsSupportsWeakReference
{
friend class nsDocShell;
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIURICONTENTLISTENER
nsresult Init();
protected:
nsDSURIContentListener(nsDocShell* aDocShell);
virtual ~nsDSURIContentListener();
void DropDocShellreference() {
mDocShell = nsnull;
}
// Determine if X-Frame-Options allows content to be framed
// as a subdocument
bool CheckFrameOptions(nsIRequest* request);
protected:
nsDocShell* mDocShell;
// Store the parent listener in either of these depending on
// if supports weak references or not. Proper weak refs are
// preferred and encouraged!
nsWeakPtr mWeakParentContentListener;
nsIURIContentListener* mParentContentListener;
nsCOMPtr<nsIWebNavigationInfo> mNavInfo;
};
#endif /* nsDSURIContentListener_h__ */