1 // Copyright (c) 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 /**

    17  @file

    18  @test

    19  @internalComponent - Internal Symbian test code 

    20 */

    21 

    22 #include "tflowwindow.h"

    23 #include "surfaceutility.h"

    24 

    25 

    26 CTWindow* CTFlowWindow::NewL(RWsSession &aWs, const RWindowTreeNode &aParent, const TPoint& aStartingPoint, const TSize& aWindowSize)

    27     {

    28     CTFlowWindow * self = new (ELeave) CTFlowWindow(aStartingPoint, aWindowSize);

    29     CleanupStack::PushL(self);

    30     self->ConstructL(aWs, aParent);

    31     CleanupStack::Pop(self);

    32     return self;

    33     }

    34 

    35 CTFlowWindow::CTFlowWindow(const TPoint& aStartingPoint, const TSize& aWindowSize) : CTWindow(aStartingPoint, aWindowSize)

    36     {

    37     iImageInfo.iSizeInPixels = aWindowSize;

    38     iImageInfo.iPixelFormat = EUidPixelFormatXRGB_8888; //todo: is this format okay (EUidPixelFormatARGB_8888)?

    39     iImageInfo.iCpuAccess = ESgCpuAccessNone;

    40     iImageInfo.iUsage = ESgUsageOpenGlesTarget| ESgUsageDirectGdiSource | ESgUsageDirectGdiTarget;

    41     iImageInfo.iShareable = ETrue;

    42     iImageInfo.iScreenId = KSgScreenIdMain;

    43     }

    44 

    45 void CTFlowWindow::ConstructL(RWsSession &aWs, const RWindowTreeNode &aParent)

    46 	{

    47 	CTWindow::ConstructL(aWs, aParent);

    48 	

    49 	User::LeaveIfError(iImageCollection.Create(iImageInfo, 1)); // creates an image collection with 1 image

    50 	User::LeaveIfError(iImageCollection.OpenImage(0, iImage)); // opens a handle to the image

    51 	// sets the image collection as background surface for the window

    52 	User::LeaveIfError(SetBackgroundSurface(iImageCollection.SurfaceId()));

    53 	// Connect to surface update session

    54 	User::LeaveIfError(iUpdateSession.Connect());

    55 	}

    56 

    57 CTFlowWindow::~CTFlowWindow()

    58     {

    59     iUpdateSession.Close();

    60     iImage.Close();

    61     iImageCollection.Close();

    62     }

    63 

    64 /**

    65  * Scales a bitmap from file to a surface.

    66  * 

    67  * @param aUtility Performs the loading of the bitmap and scaling to the surface.

    68  * @param aFileName Location of the bitmap.

    69  */

    70 void CTFlowWindow::LoadL(CSurfaceUtility* aUtility, TPtrC aFileName)

    71 	{

    72 	aUtility->ScaleBitmapFromFileToSurfaceL(aFileName, iImageCollection.SurfaceId());

    73 	}

    74 

    75 void CTFlowWindow::RenderL()

    76     {

    77     CTWindow::RenderL();

    78     TRequestStatus status;

    79     iUpdateSession.NotifyWhenAvailable(status);

    80     User::LeaveIfError(iUpdateSession.SubmitUpdate(KSgScreenIdMain, 

    81             iImageCollection.SurfaceId(), 0, &DirtyRegion()));

    82     User::WaitForRequest(status);

    83     }