/* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and /or associated documentation files

 * (the "Materials "), to deal in the Materials without restriction,

 * including without limitation the rights to use, copy, modify, merge,

 * publish, distribute, sublicense, and/or sell copies of the Materials,

 * and to permit persons to whom the Materials are 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 Materials.

 *

 * THE MATERIALS ARE 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 MATERIALS OR

 * THE USE OR OTHER DEALINGS IN THE MATERIALS.

 *

 * Initial Contributors:

 * Nokia Corporation - initial contribution.

 *

 * Contributors:

 *

 * Description:

 *

 */

#ifndef _EGLUTILS_H_

#define _EGLUTILS_H_

#include <vector>

#include <EGL/egl.h>

#include "eglDefinitions.h"

class RefCountingObject

    {

public:

    RefCountingObject() : m_refCount( 0 ), m_terminated( false ) {}

    virtual ~RefCountingObject() { EGLI_ASSERT( m_refCount == 0); }

public:

    virtual void AddRef() { m_refCount++; }

    virtual int RefCount() const { return m_refCount; }

    //returns true if object should be destroyed

    virtual bool RemoveRef() { m_refCount--; EGLI_ASSERT(m_refCount >= 0); return (m_refCount == 0); }

    virtual void Terminate() { m_terminated = true; }

    virtual bool IsTerminated() const { return m_terminated; }

protected:

    int     m_refCount;

    bool    m_terminated;

    };

template<class T> 

extern void AddObject( std::vector<T*>& vector, T*& object );

template<class T>

extern T* FindObjectByPointer( const std::vector<T*>& vector, void* id, int* index );

template<class T>

extern  T* FindObjectById( const std::vector<T*>& vector, EGLint id, int* index );

template<class T>

extern  void DeleteObjectByPointer( std::vector<T*>& vector, void* item );

template<class T>

extern  void DeleteObjectById( std::vector<T*>& vector, EGLint id );

template<class T>

extern  void DestroyPointerVector( std::vector<T*>& vector );

#endif //_EGLUTILS_H_