sl@0: // Copyright (c) 2008-2009 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: //
sl@0: 
sl@0: #include "drawresource.h"
sl@0: #include "wstop.h"
sl@0: #include <graphics/sgimage.h>
sl@0: 
sl@0: 
sl@0: CWsDrawableSource::CWsDrawableSource(CWsClient *aOwner)
sl@0: 	: CWsObject(aOwner, WS_HANDLE_DRAWABLE_SOURCE)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: CWsDrawableSource::~CWsDrawableSource()
sl@0: 	{
sl@0: 	if (iDrawableSource && iDrawResource)
sl@0: 		{
sl@0: 		iDrawResource->CloseDrawableSource(iDrawableSource);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CWsDrawableSource::ConstructL(const TWsClCmdCreateDrawableSource &aParams)
sl@0: 	{
sl@0: 	NewObjL();
sl@0: 
sl@0: 	CScreen* screen = NULL;
sl@0: 	if (Rng(0, aParams.iScreenNumber, CWsTop::NumberOfScreens() - 1))
sl@0: 		{
sl@0: 		screen = CWsTop::Screen(aParams.iScreenNumber);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		User::Leave(KErrArgument);
sl@0: 		}
sl@0: 	MWsScreen* pOI=screen;
sl@0: 	CWsDrawableSource::iDrawResource = pOI->ObjectInterface<MWsDrawableSourceProvider>();
sl@0: 	if (!iDrawResource)
sl@0: 		{
sl@0: 		User::Leave(KErrNotSupported);
sl@0: 		}
sl@0: 	User::LeaveIfError(iDrawResource->CreateDrawableSource(aParams.iDrawableId, iDrawableSource));
sl@0: 	IncRefCount();
sl@0: 	}
sl@0: 
sl@0: void CWsDrawableSource::CommandL(TInt aOpcode, const TAny *)
sl@0: 	{
sl@0: 	switch(aOpcode)
sl@0: 		{
sl@0: 		case EWsDrawableSourceOpFree:
sl@0: 			iFlags |= EWsClientHandleClosed;
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: CWsDrawableSource is a reference counted object so we cannot simply close the object as somebody else may have a reference to it
sl@0: */
sl@0: void CWsDrawableSource::CloseObject()
sl@0: 	{
sl@0: 	RemoveFromIndex();
sl@0: 	if (!(iFlags & EWsClientHandleClosed))
sl@0: 		{
sl@0: 		DecRefCount();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CWsDrawableSource::IncRefCount()
sl@0: 	{
sl@0: 	iRefCount++;
sl@0: 	}
sl@0: 
sl@0: void CWsDrawableSource::DecRefCount()
sl@0: 	{
sl@0: 	if (--iRefCount <= 0)
sl@0: 		{
sl@0: 		delete this;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TPoint& aPos, CWindowGc::TGraphicsRotation aRotation) const
sl@0: 	{
sl@0: 	ASSERT(iDrawResource);
sl@0: 	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
sl@0: 	if (drawResource == iDrawResource)
sl@0: 		{
sl@0: 		drawResource->DrawResource(iDrawableSource, aPos, aRotation);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, CWindowGc::TGraphicsRotation aRotation) const
sl@0: 	{
sl@0: 	ASSERT(iDrawResource);
sl@0: 	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
sl@0: 	if (drawResource == iDrawResource)
sl@0: 		{
sl@0: 		drawResource->DrawResource(iDrawableSource, aRect, aRotation);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRectDest, const TRect& aRectSrc, CWindowGc::TGraphicsRotation aRotation) const
sl@0: 	{
sl@0: 	ASSERT(iDrawResource);
sl@0: 	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
sl@0: 	if (drawResource == iDrawResource)
sl@0: 		{
sl@0: 		drawResource->DrawResource(iDrawableSource, aRectDest, aRectSrc, aRotation);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, const TDesC8& aDes) const
sl@0: 	{
sl@0: 	ASSERT(iDrawResource);
sl@0: 	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
sl@0: 	if (drawResource == iDrawResource)
sl@0: 		{
sl@0: 		drawResource->DrawResource(iDrawableSource, aRect, aDes);
sl@0: 		}
sl@0: 	}