camappengine/StillConverter/Src/CaeStillConverter.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:51:24 +0200
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/*
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* Copyright (c) 2002-2006 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:  Still Image Converter base class for Camera Application Engine
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*
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*/
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// INCLUDE FILES
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#include <eikenv.h>
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#include "CaeStillConverter.h"
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#ifdef CAE_TEST_VERSION
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#include "CaeStillConverterTestErrors.h"
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#endif
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// CONSTANTS
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const TInt KImageQueueGranularity = 6;
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// ================= MEMBER FUNCTIONS =======================
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// ---------------------------------------------------------
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// CCaeStillConverter::~CCaeStillConverter
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// Destructor.
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// ---------------------------------------------------------
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//
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CCaeStillConverter::~CCaeStillConverter()
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    {
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    if ( iImageQueue )
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        {
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        iImageQueue->ResetAndDestroy();
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        delete iImageQueue;
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        }
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    // For RTRT code coverage analysis.
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    // #pragma attol insert _ATCPQ_DUMP(0);
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    }
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// ---------------------------------------------------------
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// CCaeStillConverter::RunL
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// Handles an active object’s request completion event.
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// ---------------------------------------------------------
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//
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void CCaeStillConverter::RunL()
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    {
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    switch ( iState )
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        {
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        case EIdle:
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            break;
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        case EConvert:
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            {
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            ConversionComplete( iStatus.Int() );
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            // Start the next image conversion
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            if ( iImageQueue->Count() > 0 )
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                {
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                TRAPD( error, ConvertL() );
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                if ( error != KErrNone )
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                    {
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                    ConversionComplete( error );
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                    }
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                }
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            }
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            break;
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        default:
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            break;
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        }
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    }
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// ---------------------------------------------------------
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// CCaeStillConverter::RunError
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// From CActive, handles the leaving RunL().
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// ---------------------------------------------------------
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//
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TInt CCaeStillConverter::RunError( TInt aError )
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    {
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    ConversionComplete( aError );
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    return KErrNone;
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    }
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// ---------------------------------------------------------
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// CCaeStillConverter::CCaeStillConverter
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// Default constructor. 
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// This can NOT leave.
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// ---------------------------------------------------------
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//
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CCaeStillConverter::CCaeStillConverter() :
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CActive( EPriorityStandard ),
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iState( EIdle )
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    {
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    }
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// ---------------------------------------------------------
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// CCaeStillConverter::ConstructL
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// Symbian 2nd phase constructor that can leave.
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// ---------------------------------------------------------
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//
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void CCaeStillConverter::ConstructL()
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    {
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    iImageQueue = new( ELeave ) RPointerArray<CImageItem>( KImageQueueGranularity );
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    }
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// ---------------------------------------------------------
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// CCaeStillConverter::IsBusy
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// Returns ETrue if Still Converter is busy.
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// ---------------------------------------------------------
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//
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TBool CCaeStillConverter::IsBusy() const
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    {
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    return ( iState != EIdle );
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    }
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//  End of File