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os/graphics/windowing/windowserver/nga/SERVER/drawresource.cpp
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 2008-2009 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 //

    15 

    16 #include "drawresource.h"

    17 #include "wstop.h"

    18 #include <graphics/sgimage.h>

    19 

    20 

    21 CWsDrawableSource::CWsDrawableSource(CWsClient *aOwner)

    22 	: CWsObject(aOwner, WS_HANDLE_DRAWABLE_SOURCE)

    23 	{

    24 	}

    25 

    26 CWsDrawableSource::~CWsDrawableSource()

    27 	{

    28 	if (iDrawableSource && iDrawResource)

    29 		{

    30 		iDrawResource->CloseDrawableSource(iDrawableSource);

    31 		}

    32 	}

    33 

    34 void CWsDrawableSource::ConstructL(const TWsClCmdCreateDrawableSource &aParams)

    35 	{

    36 	NewObjL();

    37 

    38 	CScreen* screen = NULL;

    39 	if (Rng(0, aParams.iScreenNumber, CWsTop::NumberOfScreens() - 1))

    40 		{

    41 		screen = CWsTop::Screen(aParams.iScreenNumber);

    42 		}

    43 	else

    44 		{

    45 		User::Leave(KErrArgument);

    46 		}

    47 	MWsScreen* pOI=screen;

    48 	CWsDrawableSource::iDrawResource = pOI->ObjectInterface<MWsDrawableSourceProvider>();

    49 	if (!iDrawResource)

    50 		{

    51 		User::Leave(KErrNotSupported);

    52 		}

    53 	User::LeaveIfError(iDrawResource->CreateDrawableSource(aParams.iDrawableId, iDrawableSource));

    54 	IncRefCount();

    55 	}

    56 

    57 void CWsDrawableSource::CommandL(TInt aOpcode, const TAny *)

    58 	{

    59 	switch(aOpcode)

    60 		{

    61 		case EWsDrawableSourceOpFree:

    62 			iFlags |= EWsClientHandleClosed;

    63 			DecRefCount();

    64 			break;

    65 		default:

    66 			OwnerPanic(EWservPanicOpcode);

    67 			break;

    68 		}

    69 	}

    70 

    71 /*

    72 CWsDrawableSource is a reference counted object so we cannot simply close the object as somebody else may have a reference to it

    73 */

    74 void CWsDrawableSource::CloseObject()

    75 	{

    76 	RemoveFromIndex();

    77 	if (!(iFlags & EWsClientHandleClosed))

    78 		{

    79 		DecRefCount();

    80 		}

    81 	}

    82 

    83 void CWsDrawableSource::IncRefCount()

    84 	{

    85 	iRefCount++;

    86 	}

    87 

    88 void CWsDrawableSource::DecRefCount()

    89 	{

    90 	if (--iRefCount <= 0)

    91 		{

    92 		delete this;

    93 		}

    94 	}

    95 

    96 void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TPoint& aPos, CWindowGc::TGraphicsRotation aRotation) const

    97 	{

    98 	ASSERT(iDrawResource);

    99 	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();

   100 	if (drawResource == iDrawResource)

   101 		{

   102 		drawResource->DrawResource(iDrawableSource, aPos, aRotation);

   103 		}

   104 	}

   105 

   106 void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, CWindowGc::TGraphicsRotation aRotation) const

   107 	{

   108 	ASSERT(iDrawResource);

   109 	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();

   110 	if (drawResource == iDrawResource)

   111 		{

   112 		drawResource->DrawResource(iDrawableSource, aRect, aRotation);

   113 		}

   114 	}

   115 

   116 void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRectDest, const TRect& aRectSrc, CWindowGc::TGraphicsRotation aRotation) const

   117 	{

   118 	ASSERT(iDrawResource);

   119 	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();

   120 	if (drawResource == iDrawResource)

   121 		{

   122 		drawResource->DrawResource(iDrawableSource, aRectDest, aRectSrc, aRotation);

   123 		}

   124 	}

   125 

   126 void CWsDrawableSource::DrawResource(MWsGraphicsContext *aGc, const TRect& aRect, const TDesC8& aDes) const

   127 	{

   128 	ASSERT(iDrawResource);

   129 	MWsDrawableSourceProvider* drawResource = aGc->ObjectInterface<MWsDrawableSourceProvider>();

   130 	if (drawResource == iDrawResource)

   131 		{

   132 		drawResource->DrawResource(iDrawableSource, aRect, aDes);

   133 		}

   134 	}
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