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// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include "drawresource.h"
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#include "wstop.h"
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#include <graphics/sgimage.h>
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CWsDrawableSource::CWsDrawableSource(CWsClient *aOwner)
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: CWsObject(aOwner, WS_HANDLE_DRAWABLE_SOURCE)
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{
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}
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CWsDrawableSource::~CWsDrawableSource()
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{
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if (iDrawableSource && iDrawResource)
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{
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iDrawResource->CloseDrawableSource(iDrawableSource);
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}
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}
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void CWsDrawableSource::ConstructL(const TWsClCmdCreateDrawableSource &aParams)
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{
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NewObjL();
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CScreen* screen = NULL;
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if (Rng(0, aParams.iScreenNumber, CWsTop::NumberOfScreens() - 1))
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{
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screen = CWsTop::Screen(aParams.iScreenNumber);
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}
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else
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{
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User::Leave(KErrArgument);
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}
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MWsScreen* pOI=screen;
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CWsDrawableSource::iDrawResource = pOI->ObjectInterface<MWsDrawableSourceProvider>();
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if (!iDrawResource)
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{
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User::Leave(KErrNotSupported);
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}
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User::LeaveIfError(iDrawResource->CreateDrawableSource(aParams.iDrawableId, iDrawableSource));
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IncRefCount();
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}
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void CWsDrawableSource::CommandL(TInt aOpcode, const TAny *)
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{
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switch(aOpcode)
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{
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case EWsDrawableSourceOpFree:
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iFlags |= EWsClientHandleClosed;
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DecRefCount();
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break;
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default:
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OwnerPanic(EWservPanicOpcode);
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break;
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}
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}
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/*
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CWsDrawableSource is a reference counted object so we cannot simply close the object as somebody else may have a reference to it
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*/
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void CWsDrawableSource::CloseObject()
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{
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RemoveFromIndex();
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if (!(iFlags & EWsClientHandleClosed))
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{
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DecRefCount();
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}
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}
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void CWsDrawableSource::IncRefCount()
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{
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iRefCount++;
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}
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void CWsDrawableSource::DecRefCount()
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{
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if (--iRefCount <= 0)
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{
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delete this;
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}
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}
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void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TPoint& aPos, CWindowGc::TGraphicsRotation aRotation) const
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{
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ASSERT(iDrawResource);
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MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
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if (drawResource == iDrawResource)
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{
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drawResource->DrawResource(iDrawableSource, aPos, aRotation);
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}
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}
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void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, CWindowGc::TGraphicsRotation aRotation) const
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{
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ASSERT(iDrawResource);
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MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
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if (drawResource == iDrawResource)
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{
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drawResource->DrawResource(iDrawableSource, aRect, aRotation);
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}
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}
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void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRectDest, const TRect& aRectSrc, CWindowGc::TGraphicsRotation aRotation) const
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{
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ASSERT(iDrawResource);
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MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
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if (drawResource == iDrawResource)
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{
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drawResource->DrawResource(iDrawableSource, aRectDest, aRectSrc, aRotation);
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}
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}
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void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, const TDesC8& aDes) const
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{
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ASSERT(iDrawResource);
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MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
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if (drawResource == iDrawResource)
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{
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drawResource->DrawResource(iDrawableSource, aRect, aDes);
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}
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}
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