ReferenceCountable.h

00001 /*
00002  * This source file is part of libRocket, the HTML/CSS Interface Middleware
00003  *
00004  * For the latest information, see http://www.librocket.com
00005  *
00006  * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
00007  *
00008  * Permission is hereby granted, free of charge, to any person obtaining a copy
00009  * of this software and associated documentation files (the "Software"), to deal
00010  * in the Software without restriction, including without limitation the rights
00011  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00012  * copies of the Software, and to permit persons to whom the Software is
00013  * furnished to do so, subject to the following conditions:
00014  *
00015  * The above copyright notice and this permission notice shall be included in
00016  * all copies or substantial portions of the Software.
00017  * 
00018  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00019  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00020  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00021  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00022  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00023  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00024  * THE SOFTWARE.
00025  *
00026  */
00027 
00028 #ifndef ROCKETCOREREFERENCECOUNTABLE_H
00029 #define ROCKETCOREREFERENCECOUNTABLE_H
00030 
00031 #include <Rocket/Core/Header.h>
00032 
00033 namespace Rocket {
00034 namespace Core {
00035 
00041 class ROCKETCORE_API ReferenceCountable
00042 {
00043 public:
00046         ReferenceCountable(int initial_count = 1);
00048         virtual ~ReferenceCountable();
00049 
00051         virtual int GetReferenceCount();
00053         virtual void AddReference();
00055         virtual void RemoveReference();
00056 
00058         ReferenceCountable& operator=(const ReferenceCountable& copy);
00059 
00061         static void DumpLeakReport();
00062 
00063 protected:              
00065         virtual void OnReferenceActivate();
00067         virtual void OnReferenceDeactivate();
00068 
00069 private:
00070         // The number of references against this object.
00071         int reference_count;
00072 };
00073 
00074 }
00075 }
00076 
00077 #endif