/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

#ifndef CAM_RARRAY_H

#define CAM_RARRAY_H

class CCamRArray : public CBase

  {

  public:

    CCamRArray( TUint32* aArray, TInt aSize )

      : iReferenced    ( NULL  ),

        iReferenceCount( 0     ),

        iArray( aArray ),

        iSize ( aSize  )

      {};

    CCamRArray( CCamRArray& aOther )

      {

      CCamRArray::MakeCopy( aOther, *this );

      };

  public:

    void Attach() 

      { 

      ++iReferenceCount; 

      };

    void Detach()

      {

      if( --iReferenceCount <= 0 )

        delete this;

      }

    inline TUint32& operator[]( TInt aIndex )

      {

      return iArray[aIndex];

      };

    inline const TUint32& operator[]( TInt aIndex ) const

      {

      return iArray[aIndex];

      };

    inline TInt Size() const 

      { 

      return iSize;

      };

  private:

    static void MakeCopy( CCamRArray& aFrom, CCamRArray& aTo )

      {

      aTo.iArray = aFrom.iArray;

      aTo.iSize  = aFrom.iSize;

      for( TInt i = 1; i < aTo.Size(); i++)

        {

        TInt tempp  = aTo[i];

        TInt tempp2 = aFrom[i];

        }

      aFrom.Attach();         // aTo is one reference more.

      aTo.iReferenced = &aFrom; // Used to detach aTo from aFrom

      }

    ~CCamRArray() 

      {

      if( iReferenced )

        iReferenced->Detach();

      else

        delete [] iArray; 

      iArray = NULL;

      iSize  = 0; 

     };

  private:

    TInt        iReferenceCount;

    CCamRArray* iReferenced;

    TUint32* iArray;

    TInt     iSize;

  };

#endif