content/base/src/nsContentPolicy.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 // vim: ft=cpp ts=8 sw=4 et tw=78
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef __nsContentPolicy_h__
   8 #define __nsContentPolicy_h__
   9
  10 #include "nsIContentPolicy.h"
  11 #include "nsCategoryCache.h"
  12
  13 /*
  14  * Implementation of the "@mozilla.org/layout/content-policy;1" contract.
  15  */
  16
  17 class nsContentPolicy : public nsIContentPolicy
  18 {
  19  public:
  20     NS_DECL_ISUPPORTS
  21     NS_DECL_NSICONTENTPOLICY
  22
  23     nsContentPolicy();
  24
  25  protected:
  26     virtual ~nsContentPolicy();
  27
  28  private:
  29     //Array of policies
  30     nsCategoryCache<nsIContentPolicy> mPolicies;
  31
  32     //Helper type for CheckPolicy
  33     typedef
  34     NS_STDCALL_FUNCPROTO(nsresult, CPMethod, nsIContentPolicy,
  35                          ShouldProcess,
  36                          (uint32_t, nsIURI*, nsIURI*, nsISupports*,
  37                            const nsACString &, nsISupports*, nsIPrincipal*,
  38                            int16_t*));
  39
  40     //Helper method that applies policyMethod across all policies in mPolicies
  41     // with the given parameters
  42     nsresult CheckPolicy(CPMethod policyMethod, uint32_t contentType,
  43                          nsIURI *aURI, nsIURI *origURI,
  44                          nsISupports *requestingContext,
  45                          const nsACString &mimeGuess, nsISupports *extra,
  46                          nsIPrincipal *requestPrincipal,
  47                          int16_t *decision);
  48 };
  49
  50 nsresult
  51 NS_NewContentPolicy(nsIContentPolicy **aResult);
  52
  53 #endif /* __nsContentPolicy_h__ */