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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
// vim: ft=cpp ts=8 sw=4 et tw=78
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#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();

 protected:
  virtual ~nsContentPolicy();

 private:
  // Array of policies
  nsCategoryCache<nsIContentPolicy> mPolicies;

  nsCOMPtr<nsIContentPolicy> mMixedContentBlocker;
  nsCOMPtr<nsIContentPolicy> mCSPService;

  // Helper type for CheckPolicy
  typedef decltype(&nsIContentPolicy::ShouldProcess) CPMethod;

  // Helper method that applies policyMethod across all policies in mPolicies
  // with the given parameters
  nsresult CheckPolicy(CPMethod policyMethod, nsContentPolicyType contentType,
                       nsIURI *aURI, nsIURI *origURI,
                       nsISupports *requestingContext,
                       const nsACString &mimeGuess, nsISupports *extra,
                       nsIPrincipal *requestPrincipal, int16_t *decision);
};

nsresult NS_NewContentPolicy(nsIContentPolicy **aResult);

#endif /* __nsContentPolicy_h__ */