// Copyright (c) 1996-2009 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:

// Window server side bitmap class

// All this class does is actually give the window server ownership of the bitmap

// 

//

#include "ScrDev.H"

DWsBitmap::DWsBitmap(CWsClient *aOwner) : CWsObject(aOwner, WS_HANDLE_BITMAP)

	{

	}

DWsBitmap::~DWsBitmap()

	{

	delete iFbsBitmap;

	}

void DWsBitmap::ConstructL(const TWsClCmdCreateBitmap &aParams)

	{

	NewObjL();

	iFbsBitmap=new(ELeave) CFbsBitmap();

	TInt ret = iFbsBitmap->Duplicate(aParams.handle);

	if(ret == KErrNoMemory)

		{

		User::Leave(ret);

		}

	if (ret !=KErrNone)

		OwnerPanic(EWservPanicBitmap);

	IncRefCount();

	}

void DWsBitmap::CommandL(TInt aOpcode, const TAny *)

	{

	switch(aOpcode)

		{

		case EWsBitmapOpFree:

			iFlags |= EWsBitmapClientObjectFreed;

			DecRefCount();

			break;

		default:

			OwnerPanic(EWservPanicOpcode);

			break;

		}

	}

/*

DWsBitmap is a reference couting object so we cannot simply close the object as somebody else may have a reference to it

*/

void DWsBitmap::CloseObject()

	{

	RemoveFromIndex();

	if (!(iFlags & EWsBitmapClientObjectFreed))

		{

		DecRefCount();

		}

	}

void DWsBitmap::IncRefCount()

	{

	iRefCount++;

	}

void DWsBitmap::DecRefCount()

	{

	if (--iRefCount <= 0)

		delete this;

	}