extensions/permissions/nsContentBlocker.h

   1 /* ***** BEGIN LICENSE BLOCK *****
   2  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   3  *
   4  * The contents of this file are subject to the Mozilla Public License Version
   5  * 1.1 (the "License"); you may not use this file except in compliance with
   6  * the License. You may obtain a copy of the License at
   7  * http://www.mozilla.org/MPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS IS" basis,
  10  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  11  * for the specific language governing rights and limitations under the
  12  * License.
  13  *
  14  * The Original Code is content blocker code.
  15  *
  16  * The Initial Developer of the Original Code is
  17  * Michiel van Leeuwen <mvl@exedo.nl>.
  18  * Portions created by the Initial Developer are Copyright (C) 2004
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *
  23  * Alternatively, the contents of this file may be used under the terms of
  24  * either the GNU General Public License Version 2 or later (the "GPL"), or
  25  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  26  * in which case the provisions of the GPL or the LGPL are applicable instead
  27  * of those above. If you wish to allow use of your version of this file only
  28  * under the terms of either the GPL or the LGPL, and not to allow others to
  29  * use your version of this file under the terms of the MPL, indicate your
  30  * decision by deleting the provisions above and replace them with the notice
  31  * and other provisions required by the GPL or the LGPL. If you do not delete
  32  * the provisions above, a recipient may use your version of this file under
  33  * the terms of any one of the MPL, the GPL or the LGPL.
  34  *
  35  * ***** END LICENSE BLOCK ***** */
  36 #ifndef nsContentBlocker_h__
  37 #define nsContentBlocker_h__
  38
  39 #include "nsIContentPolicy.h"
  40 #include "nsIObserver.h"
  41 #include "nsWeakReference.h"
  42 #include "nsIPermissionManager.h"
  43 #include "nsIPrefBranch2.h"
  44
  45 class nsIPrefBranch;
  46
  47 ////////////////////////////////////////////////////////////////////////////////
  48
  49 // number of permission types in nsIContentPolicy
  50 #define NUMBER_OF_TYPES 13
  51
  52 class nsContentBlocker : public nsIContentPolicy,
  53                          public nsIObserver,
  54                          public nsSupportsWeakReference
  55 {
  56 public:
  57
  58   // nsISupports
  59   NS_DECL_ISUPPORTS
  60   NS_DECL_NSICONTENTPOLICY
  61   NS_DECL_NSIOBSERVER
  62
  63   nsContentBlocker();
  64   nsresult Init();
  65
  66 private:
  67   ~nsContentBlocker() {}
  68
  69   void PrefChanged(nsIPrefBranch *, const char *);
  70   nsresult TestPermission(nsIURI *aCurrentURI,
  71                           nsIURI *aFirstURI,
  72                           PRInt32 aContentType,
  73                           PRBool *aPermission,
  74                           PRBool *aFromPrefs);
  75
  76   nsCOMPtr<nsIPermissionManager> mPermissionManager;
  77   nsCOMPtr<nsIPrefBranch2> mPrefBranchInternal;
  78   PRUint8 mBehaviorPref[NUMBER_OF_TYPES];
  79 };
  80
  81 #define NS_CONTENTBLOCKER_CID \
  82 { 0x4ca6b67b, 0x5cc7, 0x4e71, \
  83   { 0xa9, 0x8a, 0x97, 0xaf, 0x1c, 0x13, 0x48, 0x62 } }
  84
  85 #define NS_CONTENTBLOCKER_CONTRACTID "@mozilla.org/permissions/contentblocker;1"
  86
  87 #endif /* nsContentBlocker_h__ */