1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Window server side bitmap class

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

    16 // 

    17 //

    18 

    19 #include "ScrDev.H"

    20 

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

    22 	{

    23 	}

    24 

    25 DWsBitmap::~DWsBitmap()

    26 	{

    27 	delete iFbsBitmap;

    28 	}

    29 

    30 void DWsBitmap::ConstructL(const TWsClCmdCreateBitmap &aParams)

    31 	{

    32 	NewObjL();

    33 	iFbsBitmap=new(ELeave) CFbsBitmap();

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

    35 	if(ret == KErrNoMemory)

    36 		{

    37 		User::Leave(ret);

    38 		}

    39 	if (ret !=KErrNone)

    40 		OwnerPanic(EWservPanicBitmap);

    41 	IncRefCount();

    42 	}

    43 

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

    45 	{

    46 	switch(aOpcode)

    47 		{

    48 		case EWsBitmapOpFree:

    49 			iFlags |= EWsBitmapClientObjectFreed;

    50 			DecRefCount();

    51 			break;

    52 		default:

    53 			OwnerPanic(EWservPanicOpcode);

    54 			break;

    55 		}

    56 	}

    57 

    58 /*

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

    60 */

    61 void DWsBitmap::CloseObject()

    62 	{

    63 	RemoveFromIndex();

    64 	if (!(iFlags & EWsBitmapClientObjectFreed))

    65 		{

    66 		DecRefCount();

    67 		}

    68 	}

    69 

    70 void DWsBitmap::IncRefCount()

    71 	{

    72 	iRefCount++;

    73 	}

    74 

    75 void DWsBitmap::DecRefCount()

    76 	{

    77 	if (--iRefCount <= 0)

    78 		delete this;

    79 	}