sl@0: // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Window server side bitmap class
sl@0: // All this class does is actually give the window server ownership of the bitmap
sl@0: // 
sl@0: //
sl@0: 
sl@0: #include "ScrDev.H"
sl@0: 
sl@0: DWsBitmap::DWsBitmap(CWsClient *aOwner) : CWsObject(aOwner, WS_HANDLE_BITMAP)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: DWsBitmap::~DWsBitmap()
sl@0: 	{
sl@0: 	delete iFbsBitmap;
sl@0: 	}
sl@0: 
sl@0: void DWsBitmap::ConstructL(const TWsClCmdCreateBitmap &aParams)
sl@0: 	{
sl@0: 	NewObjL();
sl@0: 	iFbsBitmap=new(ELeave) CFbsBitmap();
sl@0: 	TInt ret = iFbsBitmap->Duplicate(aParams.handle);
sl@0: 	if(ret == KErrNoMemory)
sl@0: 		{
sl@0: 		User::Leave(ret);
sl@0: 		}
sl@0: 	if (ret !=KErrNone)
sl@0: 		OwnerPanic(EWservPanicBitmap);
sl@0: 	IncRefCount();
sl@0: 	}
sl@0: 
sl@0: void DWsBitmap::CommandL(TInt aOpcode, const TAny *)
sl@0: 	{
sl@0: 	switch(aOpcode)
sl@0: 		{
sl@0: 		case EWsBitmapOpFree:
sl@0: 			iFlags |= EWsBitmapClientObjectFreed;
sl@0: 			DecRefCount();
sl@0: 			break;
sl@0: 		default:
sl@0: 			OwnerPanic(EWservPanicOpcode);
sl@0: 			break;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /*
sl@0: DWsBitmap is a reference couting object so we cannot simply close the object as somebody else may have a reference to it
sl@0: */
sl@0: void DWsBitmap::CloseObject()
sl@0: 	{
sl@0: 	RemoveFromIndex();
sl@0: 	if (!(iFlags & EWsBitmapClientObjectFreed))
sl@0: 		{
sl@0: 		DecRefCount();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void DWsBitmap::IncRefCount()
sl@0: 	{
sl@0: 	iRefCount++;
sl@0: 	}
sl@0: 
sl@0: void DWsBitmap::DecRefCount()
sl@0: 	{
sl@0: 	if (--iRefCount <= 0)
sl@0: 		delete this;
sl@0: 	}