camerauis/cameraapp/generic/src/CamStandbyContainer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 16:18:56 +0200
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permissions -rw-r--r--
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/*
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* Copyright (c) 2007 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:  Container for standby mode*
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*/
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// INCLUDE FILES
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#include <aknview.h>
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#include <eiklabel.h>
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#include <StringLoader.h>
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#include <AknsFrameBackgroundControlContext.h>
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#include <AknsDrawUtils.h>
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#include <AknBidiTextUtils.h>
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#include <textresolver.h>
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#include "CamStandbyContainer.h"
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#include "CamTimer.h"
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#include "Cam.hrh"
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#include "CamUtility.h"
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#include "CamAppUi.h"
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#include "CamViewBase.h"
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#include <cameraapp.rsg>
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#include <vgacamsettings.rsg>
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#include <ctsydomainpskeys.h>
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// CONSTANTS
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const TInt KForegroundDelayTimeout = 500;
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// ================= MEMBER FUNCTIONS =======================
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// ---------------------------------------------------------------------------
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// CCamStandbyContainer::NewL
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// Symbian OS two-phased constructor
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// ---------------------------------------------------------------------------
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//
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CCamStandbyContainer* CCamStandbyContainer::NewL( const TRect& aRect, CAknView& aView,
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                                                  CCamAppController& aController,
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                                                  TInt aError )
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    {
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    CCamStandbyContainer* self = 
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                  new( ELeave ) CCamStandbyContainer( aController, aView, aError );
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    CleanupStack::PushL( self );
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    self->ConstructL( aRect, aError );
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    CleanupStack::Pop( self );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// CCamStandbyContainer::~CCamStandbyContainer
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// Destructor
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// ---------------------------------------------------------------------------
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//
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CCamStandbyContainer::~CCamStandbyContainer()
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  {
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  PRINT( _L("Camera => ~CCamStandbyContainer"))
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  if( iForegroundTimer )
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    {
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    iForegroundTimer->Cancel();
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    delete iForegroundTimer;
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    }
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  delete iText;
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  delete iWrappedLabelText;    
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  PRINT( _L("Camera => ~CCamStandbyContainer") );
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  }
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// ---------------------------------------------------------
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// CCamStandbyContainer::ConstructL
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// Symbian OS 2nd phase constructor
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// ---------------------------------------------------------
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//
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void CCamStandbyContainer::ConstructL( const TRect& aRect, TInt aError )
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    {
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    PRINT( _L("Camera => CCamStandbyContainer::ConstructL"))
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    CCamContainerBase::BaseConstructL( aRect );
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    iText = new ( ELeave ) CEikLabel;
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    iText->SetContainerWindowL( *this );
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    iText->SetAlignment( EHCenterVCenter );
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    iText->SetExtent( TPoint( 0, 0 ), aRect.Size() );
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    // tell the CEikLabel that it should not do the visual 
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    // conversion (Arabic right to left) because the app 
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    // will do it via 
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    // AknBidiTextUtils::ConvertToVisualAndWrapToStringL
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    iText->UseLogicalToVisualConversion( EFalse );
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    // Get label text from resource
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    HBufC* labelText;
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    if ( static_cast<CCamAppUi*>( iEikonEnv->AppUi() )->IsConstructionComplete() )
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        {
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	    switch( aError )
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	        {
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	        case KErrNone:
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	            labelText = StringLoader::LoadLC( R_CAM_STANDBY_TEXT );
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	            break;
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	        case KErrInUse:
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	            labelText = StringLoader::LoadLC( R_CAM_STANDBY_CAMERA_IN_USE_TEXT );
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	            break;
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	        case KErrNoMemory:
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	        	labelText = StringLoader::LoadLC( R_CAM_MEMLO_NOT_ENOUGH_MEMORY );
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	            break;
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	        case KErrPermissionDenied:
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	            labelText = StringLoader::LoadLC( R_CAM_STANDBY_CAMERA_DISABLED_TEXT );
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                break;
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	        default: // any other error
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	            labelText = StringLoader::LoadLC( R_CAM_STANDBY_CAMERA_UNAVAILABLE_TEXT );
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	            break;
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	        }
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        }
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	 else
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        {
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        labelText = StringLoader::LoadLC( R_CAM_STANDBY_EMPTY_TEXT );
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        }        
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   128
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    iText->SetTextL( *labelText );
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    // Wrap the text, where it doesn't fit.
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    // ...Create the line width array necessary for ConvertToVisual..()
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    const TInt KLabelMaxLines = 5;
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    CArrayFix<TInt>* lineWidths = 
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        new ( ELeave ) CArrayFixFlat<TInt> ( KLabelMaxLines );
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    CleanupStack::PushL( lineWidths );
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    for (TInt i = 0; i < KLabelMaxLines; ++i )
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        {
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        lineWidths->AppendL( aRect.Width() );            
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        }
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    // ...Create the text buffer that will receive the wrapped text.
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    iWrappedLabelText = HBufC::NewL(
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        labelText->Length() + KLabelMaxLines * ( KAknBidiExtraSpacePerLine + 1 ) );
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    TPtr ptr = iWrappedLabelText->Des();
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    // ...Get the wrapped text conversion.
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    AknBidiTextUtils::ConvertToVisualAndWrapToStringL(
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        labelText->Des(),
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        *lineWidths,
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        *AknLayoutUtils::FontFromId( EAknLogicalFontPrimaryFont ),
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        ptr,
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        ETrue
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        );
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    // ...Cleanup
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    CleanupStack::PopAndDestroy( lineWidths );  
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    CleanupStack::PopAndDestroy( labelText );
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   155
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    // Set the wrapped text to the label.
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    iText->SetTextL( *iWrappedLabelText );
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   158
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   159
    // Initialise foreground timer - used to delay the exit
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    // from standby when foreground is gained
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    iForegroundTimer = CCamTimer::NewL( KForegroundDelayTimeout,
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                  TCallBack( CCamStandbyContainer::ForegroundTimeout, this ) );
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   163
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    // Make sure fixed toolbar is on top of this window
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    DrawableWindow()->SetOrdinalPosition( KCamPreCaptureWindowOrdinalPos );
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   166
    }
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   167
    
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// ---------------------------------------------------------------------------
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// CCamStandbyContainer::CCamStandbyContainer
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// C++ constructor
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// ---------------------------------------------------------------------------
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//
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CCamStandbyContainer::CCamStandbyContainer( CCamAppController& aController,
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                                                        CAknView& aView, TInt aError )
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: CCamContainerBase( aController, aView ), iStandbyError( aError )
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    {
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    }
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   178
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// ---------------------------------------------------------
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// CCamStandbyContainer::CountComponentControls
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// Returns the number of controls owned
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// ---------------------------------------------------------
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//
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TInt CCamStandbyContainer::CountComponentControls() const
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    {
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    TInt count = 1;
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    return count; // Return the number of controls inside this container
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    }
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// ---------------------------------------------------------
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// CCamStandbyContainer::ComponentControl
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// Return pointer to a contained control
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// ---------------------------------------------------------
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//
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CCoeControl* CCamStandbyContainer::ComponentControl( TInt aIndex ) const
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    {
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    switch ( aIndex )
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        {
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   199
        case 0:
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            {
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            return iText;
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            }
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        default:
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            {
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            return NULL;
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            }
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        }
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    }
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// ---------------------------------------------------------
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// CCamStandbyContainer::Draw
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// Draw control
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// ---------------------------------------------------------
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//
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void CCamStandbyContainer::Draw( const TRect& /*aRect*/ ) const
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    {
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    PRINT( _L("Camera => CCamStandbyContainer::Draw"))
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    CWindowGc& gc = SystemGc();
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    MAknsSkinInstance* skin = AknsUtils::SkinInstance();
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    AknsDrawUtils::Background( skin, iBgContext, gc, Rect() );
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   221
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    // override the label color
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    TRgb color;
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    AknsUtils::GetCachedColor( skin, color, KAknsIIDQsnTextColors,
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                                            EAknsCIQsnTextColorsCG6 );
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    TRAPD( ignore, AknLayoutUtils::OverrideControlColorL( *iText, 
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        EColorLabelText, color ) );
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   228
    if ( ignore )
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        { 
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        // Do nothing ( removes build warning )
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parents:
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   231
        }     
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    }
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// ----------------------------------------------------------------
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// CCamStandbyContainer::OfferKeyEventL
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// Handles this application view's command keys
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// ----------------------------------------------------------------
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//
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TKeyResponse CCamStandbyContainer::OfferKeyEventL( 
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    const TKeyEvent& aKeyEvent,
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    TEventCode aType )
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    {
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    if ( iStandbyError != KErrNone )
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        {
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        return EKeyWasConsumed;
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        }
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    // if the select (OK) key is pressed
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    if ( ( aType == EEventKey && aKeyEvent.iCode == EKeyOK )
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        // if shutter key is pressed in main camera
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        || ( aType == EEventKey && 
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           ( aKeyEvent.iScanCode == iPrimaryCameraCaptureKeys[0] ||
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               CCamContainerBase::IsShutterKeyL(aKeyEvent, aType) ) &&
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               !static_cast<CCamAppUi*>( iEikonEnv->AppUi() )->IsSecondCameraEnabled() )
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        || ( IsCaptureKeyL(aKeyEvent, aType)) )
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        {
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        // in case we receive an enter key or MSK key event in standby mode
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        // we should not call HandleCommandL function with ECamCmdExitStandby
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        // because by default application will get a left softkey command id
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        // when MSK is pressed. In standby mode left softkey command id is
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        // ECamCmdExitStandby
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        if ( !( ( aType == EEventKey || 
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                  aType == EEventKeyDown || 
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                  aType == EEventKeyUp ) && 
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                ( aKeyEvent.iScanCode == EStdKeyDevice3 ||
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                  aKeyEvent.iScanCode == EStdKeyEnter ) ) )
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             {
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             iView.HandleCommandL( ECamCmdExitStandby );
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             }
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        return EKeyWasConsumed;
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        }
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    // handle navi-key up/down, left/right
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    else if ( aType == EEventKey &&
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        ( aKeyEvent.iScanCode == EStdKeyDownArrow ||
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          aKeyEvent.iScanCode == EStdKeyUpArrow ||
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          aKeyEvent.iScanCode == EStdKeyLeftArrow ||
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          aKeyEvent.iScanCode == EStdKeyRightArrow ) )
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        {
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        iView.HandleCommandL( ECamCmdExitStandby );
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        return EKeyWasConsumed;
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        }
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    else if ( ( aType == EEventKeyDown || aType == EEventKeyUp ) && 
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    	      ( aKeyEvent.iScanCode != EStdKeyYes ) )
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        {
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        if ( aType == EEventKeyDown )
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            {
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            if( IsZoomKeyL(aKeyEvent, aType ) )
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            	{
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            	iView.HandleCommandL( ECamCmdExitStandby );
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            	}
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            }           
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        // consume key up/down presses
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        return EKeyWasConsumed;
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        }
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    else
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        {
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        return CCamContainerBase::OfferKeyEventL( aKeyEvent, aType );
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        }
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    }
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// ----------------------------------------------------------------
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// CCamStandbyContainer::HandleForegroundEvent
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// Handle foreground event
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// ----------------------------------------------------------------
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//
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void CCamStandbyContainer::HandleForegroundEventL( TBool aForeground )
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    {
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    if ( aForeground )
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        {
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        // start timer to delay exit from standby
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        if ( !iForegroundTimer->IsActive() )
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            {
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            iForegroundTimer->StartTimer();
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            }
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        }
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    else
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        {
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        // set text label as blank
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        TRAP_IGNORE( iText->SetTextL( KNullDesC ) );
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        // cancel timer if active
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        if ( iForegroundTimer->IsActive() )
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            {
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            iForegroundTimer->Cancel();
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            }
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        }
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    }
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// ----------------------------------------------------------------
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// CCamStandbyContainer::GetStandbyError
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// Returns the current error
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// ----------------------------------------------------------------
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//
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TInt CCamStandbyContainer::GetStandbyError() const
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    {
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    return iStandbyError;
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    }    
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// ----------------------------------------------------------------
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// CCamStandbyContainer::ForegroundTimeout
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// static callback function for foreground gain timeout
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// ----------------------------------------------------------------
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//
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TInt CCamStandbyContainer::ForegroundTimeout( TAny *aPtr )
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    {
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    return static_cast<CCamStandbyContainer*>( aPtr )->DoForegroundTimeout();
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    }
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// ----------------------------------------------------------------
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// CCamStandbyContainer::DoForegroundTimeout
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// Implementation function for foreground gain timeout
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// ----------------------------------------------------------------
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//
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TInt CCamStandbyContainer::DoForegroundTimeout()
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    {
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    TRAPD( ignore, iView.HandleCommandL( ECamCmdExitStandby ) );
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    if ( ignore )
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        { 
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        // Do nothing ( removes build warning )
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        }             
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    return EFalse;
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    }
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// ----------------------------------------------------------------
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// CCamStandbyContainer::HandlePointerEventL
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// ----------------------------------------------------------------
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//
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void CCamStandbyContainer::HandlePointerEventL( const TPointerEvent& aPointerEvent )
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    {
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    RDebug::Print(_L("CCamStandbyContainer::HandlePointerEventL iType=%d iPosition=(%d, %d)"),
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        aPointerEvent.iType,
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        aPointerEvent.iPosition.iX,
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        aPointerEvent.iPosition.iY );
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      TInt callType( EPSCTsyCallTypeUninitialized );
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      RProperty::Get( KPSUidCtsyCallInformation, KCTsyCallType, callType );
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       if ( callType != EPSCTsyCallTypeH324Multimedia)
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         {
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    static_cast<CCamViewBase&>( iView ).HandleCommandAoL( ECamCmdExitStandby );
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         }
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         else
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         {
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         }
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    }
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// -----------------------------------------------------------------------------
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// CCamStandbyContainer::CreateBackgroundContextL
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// -----------------------------------------------------------------------------
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//     
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void CCamStandbyContainer::CreateBackgroundContextL()
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    {
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    iBgContext = CAknsBasicBackgroundControlContext::NewL( 
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        KAknsIIDQsnBgAreaMain, Rect(), EFalse );
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    }
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// End of File