| #ifndef _H_Preferences | 
 | #define _H_Preferences | 
 | /* | 
 |  * Copyright 2009 Google Inc. | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT | 
 |  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the | 
 |  * License for the specific language governing permissions and limitations under | 
 |  * the License. | 
 |  */ | 
 |  | 
 | #include <string> | 
 |  | 
 | #include "mozincludes.h" | 
 |  | 
 | #include "nsCOMPtr.h" | 
 | #include "nsISupports.h" | 
 | #include "nsIObserver.h" | 
 | #include "nsIPrefBranch2.h" | 
 |  | 
 | class HostChannel; | 
 | class Value; | 
 |  | 
 | class Preferences : public nsIObserver { | 
 |   NS_DECL_ISUPPORTS | 
 |   NS_DECL_NSIOBSERVER | 
 | public: | 
 |   Preferences(); | 
 |   virtual ~Preferences(); | 
 |  | 
 |   /** | 
 |    * Add a new rule to the access list preference. | 
 |    * | 
 |    * @param pattern pattern to add (currently only an exact-match literal) | 
 |    * @param exclude true if the pattern should be excluded from matches, | 
 |    *     otherwise included | 
 |    */ | 
 |   void addNewRule(const std::string& pattern, bool exclude); | 
 |  | 
 | private: | 
 |   static void loadAccessList(const char*); | 
 |  | 
 |   nsCOMPtr<nsIPrefBranch2> prefs; | 
 | }; | 
 |  | 
 | #endif |