// 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;

 	}