os/graphics/windowing/windowserver/nga/SERVER/drawresource.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/drawresource.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,134 @@
     1.4 +// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +#include "drawresource.h"
    1.20 +#include "wstop.h"
    1.21 +#include <graphics/sgimage.h>
    1.22 +
    1.23 +
    1.24 +CWsDrawableSource::CWsDrawableSource(CWsClient *aOwner)
    1.25 +	: CWsObject(aOwner, WS_HANDLE_DRAWABLE_SOURCE)
    1.26 +	{
    1.27 +	}
    1.28 +
    1.29 +CWsDrawableSource::~CWsDrawableSource()
    1.30 +	{
    1.31 +	if (iDrawableSource && iDrawResource)
    1.32 +		{
    1.33 +		iDrawResource->CloseDrawableSource(iDrawableSource);
    1.34 +		}
    1.35 +	}
    1.36 +
    1.37 +void CWsDrawableSource::ConstructL(const TWsClCmdCreateDrawableSource &aParams)
    1.38 +	{
    1.39 +	NewObjL();
    1.40 +
    1.41 +	CScreen* screen = NULL;
    1.42 +	if (Rng(0, aParams.iScreenNumber, CWsTop::NumberOfScreens() - 1))
    1.43 +		{
    1.44 +		screen = CWsTop::Screen(aParams.iScreenNumber);
    1.45 +		}
    1.46 +	else
    1.47 +		{
    1.48 +		User::Leave(KErrArgument);
    1.49 +		}
    1.50 +	MWsScreen* pOI=screen;
    1.51 +	CWsDrawableSource::iDrawResource = pOI->ObjectInterface<MWsDrawableSourceProvider>();
    1.52 +	if (!iDrawResource)
    1.53 +		{
    1.54 +		User::Leave(KErrNotSupported);
    1.55 +		}
    1.56 +	User::LeaveIfError(iDrawResource->CreateDrawableSource(aParams.iDrawableId, iDrawableSource));
    1.57 +	IncRefCount();
    1.58 +	}
    1.59 +
    1.60 +void CWsDrawableSource::CommandL(TInt aOpcode, const TAny *)
    1.61 +	{
    1.62 +	switch(aOpcode)
    1.63 +		{
    1.64 +		case EWsDrawableSourceOpFree:
    1.65 +			iFlags |= EWsClientHandleClosed;
    1.66 +			DecRefCount();
    1.67 +			break;
    1.68 +		default:
    1.69 +			OwnerPanic(EWservPanicOpcode);
    1.70 +			break;
    1.71 +		}
    1.72 +	}
    1.73 +
    1.74 +/*
    1.75 +CWsDrawableSource is a reference counted object so we cannot simply close the object as somebody else may have a reference to it
    1.76 +*/
    1.77 +void CWsDrawableSource::CloseObject()
    1.78 +	{
    1.79 +	RemoveFromIndex();
    1.80 +	if (!(iFlags & EWsClientHandleClosed))
    1.81 +		{
    1.82 +		DecRefCount();
    1.83 +		}
    1.84 +	}
    1.85 +
    1.86 +void CWsDrawableSource::IncRefCount()
    1.87 +	{
    1.88 +	iRefCount++;
    1.89 +	}
    1.90 +
    1.91 +void CWsDrawableSource::DecRefCount()
    1.92 +	{
    1.93 +	if (--iRefCount <= 0)
    1.94 +		{
    1.95 +		delete this;
    1.96 +		}
    1.97 +	}
    1.98 +
    1.99 +void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TPoint& aPos, CWindowGc::TGraphicsRotation aRotation) const
   1.100 +	{
   1.101 +	ASSERT(iDrawResource);
   1.102 +	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
   1.103 +	if (drawResource == iDrawResource)
   1.104 +		{
   1.105 +		drawResource->DrawResource(iDrawableSource, aPos, aRotation);
   1.106 +		}
   1.107 +	}
   1.108 +
   1.109 +void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, CWindowGc::TGraphicsRotation aRotation) const
   1.110 +	{
   1.111 +	ASSERT(iDrawResource);
   1.112 +	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
   1.113 +	if (drawResource == iDrawResource)
   1.114 +		{
   1.115 +		drawResource->DrawResource(iDrawableSource, aRect, aRotation);
   1.116 +		}
   1.117 +	}
   1.118 +
   1.119 +void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRectDest, const TRect& aRectSrc, CWindowGc::TGraphicsRotation aRotation) const
   1.120 +	{
   1.121 +	ASSERT(iDrawResource);
   1.122 +	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
   1.123 +	if (drawResource == iDrawResource)
   1.124 +		{
   1.125 +		drawResource->DrawResource(iDrawableSource, aRectDest, aRectSrc, aRotation);
   1.126 +		}
   1.127 +	}
   1.128 +
   1.129 +void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, const TDesC8& aDes) const
   1.130 +	{
   1.131 +	ASSERT(iDrawResource);
   1.132 +	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();
   1.133 +	if (drawResource == iDrawResource)
   1.134 +		{
   1.135 +		drawResource->DrawResource(iDrawableSource, aRect, aDes);
   1.136 +		}
   1.137 +	}