50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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//
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// Copyright (c) 2010-2011 Matthew Jack and Doug Binks
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would be
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// appreciated but is not required.
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// 2. Altered source versions must be plainly marked as such, and must not be
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// misrepresented as being the original software.
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// 3. This notice may not be removed or altered from any source distribution.
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#pragma once
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#ifndef REFERENCECOUNTABLE_INCLUDED
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#define REFERENCECOUNTABLE_INCLUDED
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// Based on libRocket ReferenceCountable class
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class ReferenceCountable
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{
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public:
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ReferenceCountable(int initial_count = 1);
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virtual ~ReferenceCountable();
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virtual int GetReferenceCount();
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virtual void AddReference();
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virtual void RemoveReference();
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// Catches incorrect copy attempts
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ReferenceCountable& operator=(const ReferenceCountable& copy);
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protected:
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// Hook method for when reference count climbs above zero
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virtual void OnReferenceActivate();
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// Hook method for when reference count hits zero
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virtual void OnReferenceDeactivate();
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private:
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int m_refCount;
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};
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#endif // REFERENCECOUNTABLE_INCLUDED
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