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lightning-sunbird  0.9+nobinonly
nsContentBlocker.h
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00001 /* ***** BEGIN LICENSE BLOCK *****
00002  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
00003  *
00004  * The contents of this file are subject to the Mozilla Public License Version
00005  * 1.1 (the "License"); you may not use this file except in compliance with
00006  * the License. You may obtain a copy of the License at
00007  * http://www.mozilla.org/MPL/
00008  *
00009  * Software distributed under the License is distributed on an "AS IS" basis,
00010  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00011  * for the specific language governing rights and limitations under the
00012  * License.
00013  *
00014  * The Original Code is content blocker code.
00015  *
00016  * The Initial Developer of the Original Code is
00017  * Michiel van Leeuwen <mvl@exedo.nl>.
00018  * Portions created by the Initial Developer are Copyright (C) 2004
00019  * the Initial Developer. All Rights Reserved.
00020  *
00021  * Contributor(s):
00022  *
00023  * Alternatively, the contents of this file may be used under the terms of
00024  * either the GNU General Public License Version 2 or later (the "GPL"), or
00025  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00026  * in which case the provisions of the GPL or the LGPL are applicable instead
00027  * of those above. If you wish to allow use of your version of this file only
00028  * under the terms of either the GPL or the LGPL, and not to allow others to
00029  * use your version of this file under the terms of the MPL, indicate your
00030  * decision by deleting the provisions above and replace them with the notice
00031  * and other provisions required by the GPL or the LGPL. If you do not delete
00032  * the provisions above, a recipient may use your version of this file under
00033  * the terms of any one of the MPL, the GPL or the LGPL.
00034  *
00035  * ***** END LICENSE BLOCK ***** */
00036 #ifndef nsContentBlocker_h__
00037 #define nsContentBlocker_h__
00038 
00039 #include "nsIContentPolicy.h"
00040 #include "nsIObserver.h"
00041 #include "nsWeakReference.h"
00042 #include "nsIPermissionManager.h"
00043 #include "nsIPrefBranch2.h"
00044 
00045 class nsIPrefBranch;
00046 
00048 
00049 // number of permission types in nsIContentPolicy
00050 #define NUMBER_OF_TYPES 8
00051 
00052 class nsContentBlocker : public nsIContentPolicy,
00053                          public nsIObserver,
00054                          public nsSupportsWeakReference
00055 {
00056 public:
00057 
00058   // nsISupports
00059   NS_DECL_ISUPPORTS
00060   NS_DECL_NSICONTENTPOLICY
00061   NS_DECL_NSIOBSERVER
00062 
00063   nsContentBlocker();
00064   nsresult Init();
00065 
00066 private:
00067   ~nsContentBlocker() {}
00068 
00069   void PrefChanged(nsIPrefBranch *, const char *);
00070   nsresult TestPermission(nsIURI *aCurrentURI,
00071                           nsIURI *aFirstURI,
00072                           PRInt32 aContentType,
00073                           PRBool *aPermission,
00074                           PRBool *aFromPrefs);
00075 
00076   nsCOMPtr<nsIPermissionManager> mPermissionManager;
00077   nsCOMPtr<nsIPrefBranch2> mPrefBranchInternal;
00078   PRUint8 mBehaviorPref[NUMBER_OF_TYPES];
00079 };
00080 
00081 #define NS_CONTENTBLOCKER_CID \
00082 { 0x4ca6b67b, 0x5cc7, 0x4e71, \
00083   { 0xa9, 0x8a, 0x97, 0xaf, 0x1c, 0x13, 0x48, 0x62 } }
00084 
00085 #define NS_CONTENTBLOCKER_CONTRACTID "@mozilla.org/permissions/contentblocker;1"
00086 
00087 #endif /* nsContentBlocker_h__ */