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nsContentPolicy.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim: ft=cpp ts=8 sw=4 et tw=78
/* ***** 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 Mozilla code.
 *
 * The Initial Developer of the Original Code is
 * Zero-Knowledge Systems, Inc.
 * Portions created by the Initial Developer are Copyright (C) 2000
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Tim Watt <riceman+bmo@mail.rit.edu> 
 *
 * 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
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 * ***** END LICENSE BLOCK ***** */

#ifndef __nsContentPolicy_h__
#define __nsContentPolicy_h__

#include "nsIContentPolicy.h"
#include "nsCategoryCache.h"

/* 
 * Implementation of the "@mozilla.org/layout/content-policy;1" contract.
 */

class nsContentPolicy : public nsIContentPolicy
{
 public:
    NS_DECL_ISUPPORTS
    NS_DECL_NSICONTENTPOLICY

    nsContentPolicy();
    virtual ~nsContentPolicy();
 private:
    //Array of policies
    nsCategoryCache<nsIContentPolicy> mPolicies;

    //Helper type for CheckPolicy
    typedef
    NS_STDCALL_FUNCPROTO(nsresult, CPMethod, nsIContentPolicy,
                         ShouldProcess,
                         (PRUint32, nsIURI*, nsIURI*, nsISupports*,
                           const nsACString &, nsISupports*, PRInt16*));

    //Helper method that applies policyMethod across all policies in mPolicies
    // with the given parameters
    nsresult CheckPolicy(CPMethod policyMethod, PRUint32 contentType,
                         nsIURI *aURI, nsIURI *origURI,
                         nsISupports *requestingContext,
                         const nsACString &mimeGuess, nsISupports *extra,
                         PRInt16 *decision);
};

nsresult
NS_NewContentPolicy(nsIContentPolicy **aResult);

#endif /* __nsContentPolicy_h__ */

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