RefObject.h

// Copyright (c) 2016-2018 Kiwano - Nomango
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
 
#pragma once
#include <atomic>
#include <kiwano/core/Common.h>
 
namespace kiwano
{
 
class KGE_API RefObject : protected Noncopyable
{
public:
    void Retain();
 
    void Release();
 
    uint32_t GetRefCount() const;
 
    static void* operator new(size_t size);
 
    static void operator delete(void* ptr);
 
    static void* operator new(size_t size, std::nothrow_t const&) noexcept;
 
    static void operator delete(void* ptr, std::nothrow_t const&) noexcept;
 
    static void* operator new(size_t size, void* ptr) noexcept;
 
    static void operator delete(void* ptr, void* place) noexcept;
 
    virtual ~RefObject();
 
protected:
    RefObject();
 
private:
    std::atomic<uint32_t> ref_count_;
};
 
}  // namespace kiwano