/*

* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   CIAUpdateDownloadOperation 

*

*/

#include <ncdquery.h>

#include <ncdprogress.h>

#include <ncdoperation.h>

#include <ncdnodedownload.h>

#include <ncddownloadoperation.h>

#include <ncdnode.h>

#include "iaupdatedownloadoperation.h"

#include "iaupdatenodeimpl.h"

#include "iaupdatedebug.h"

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::NewL

// 

// ---------------------------------------------------------------------------

//

CIAUpdateDownloadOperation* CIAUpdateDownloadOperation::NewL(

    CIAUpdateNode& aNode,

    MIAUpdateContentOperationObserver& aObserver )

    {

    CIAUpdateDownloadOperation* self = 

        CIAUpdateDownloadOperation::NewLC( aNode, aObserver );

    CleanupStack::Pop( self );

    return self;

    }

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::NewLC

// 

// ---------------------------------------------------------------------------

//

CIAUpdateDownloadOperation* CIAUpdateDownloadOperation::NewLC(

    CIAUpdateNode& aNode,

    MIAUpdateContentOperationObserver& aObserver )

    {

    CIAUpdateDownloadOperation* self =

        new( ELeave ) CIAUpdateDownloadOperation( aNode, aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::CIAUpdateDownloadOperation

// 

// ---------------------------------------------------------------------------

//

CIAUpdateDownloadOperation::CIAUpdateDownloadOperation(

    CIAUpdateNode& aNode,

    MIAUpdateContentOperationObserver& aObserver )

: CIAUpdateNormalContentOperation( aNode, aObserver )

    {

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::CIAUpdateDownloadOperation");

    }

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::ConstructL

// 

// ---------------------------------------------------------------------------

//

void CIAUpdateDownloadOperation::ConstructL()

    {

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::ConstructL begin");

    CIAUpdateNormalContentOperation::ConstructL();

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::ConstructL end");

    }

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation

// 

// ---------------------------------------------------------------------------

//

CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation()

    {

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation begin");

    // This will also reset and delete all the necessary data if needed.

    CancelOperation();

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::~CIAUpdateDownloadOperation end");

    }

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::DownloadProgress

// Content download functions

// ---------------------------------------------------------------------------

//

void CIAUpdateDownloadOperation::DownloadProgress( MNcdDownloadOperation& /*aOperation*/, 

                                                   TNcdProgress aProgress )

    {

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadProgress() begin");

    OperationProgress( aProgress.iProgress, aProgress.iMaxProgress );

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadProgress() end");

    }

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::QueryReceived

// 

// ---------------------------------------------------------------------------

//

void CIAUpdateDownloadOperation::QueryReceived( MNcdDownloadOperation& aOperation, 

                                                MNcdQuery* aQuery )

    {

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::QueryReceived() begin");

    ContentQueryReceived( aOperation, aQuery );

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::QueryReceived() end");

    }

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::OperationComplete

// 

// ---------------------------------------------------------------------------

//

void CIAUpdateDownloadOperation::OperationComplete( MNcdDownloadOperation& aOperation, 

                                                    TInt aError )

    {

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateInstallOperation::OperationComplete() begin");

    ContentOperationComplete( aOperation, aError );

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateInstallOperation::OperationComplete() end");

    }        

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::HandleContentL

// 

// ---------------------------------------------------------------------------

//

MNcdOperation* CIAUpdateDownloadOperation::HandleContentL()

    {

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::HandleContentL begin");

    MNcdOperation* operation( NULL );

    // If node is already installed, then do not download it again.

    // Notice, that casting is safe here, because NewLC function uses

    // CIAUpdateNode which is given to the constructor and for parent class. 

    // So, the node is CIAUpdateNode even if the parent operation class uses

    // pointer to node's parent. 

    CIAUpdateNode& node( static_cast< CIAUpdateNode& >( Node() ) );

    if ( !node.IsInstalled() )

        {

        IAUPDATE_TRACE("[IAUPDATE] Create download operation.");

        operation = DownloadL();

        }

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::HandleContentL end");

    return operation;

    }

// ---------------------------------------------------------------------------

// CIAUpdateDownloadOperation::DownloadL

// 

// ---------------------------------------------------------------------------

//    

MNcdOperation* CIAUpdateDownloadOperation::DownloadL()

    {

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateDownloadOperation::DownloadL() begin");

    MNcdOperation* operation( NULL );

    MNcdNodeDownload* download = 

        Node().Node().QueryInterfaceLC< MNcdNodeDownload >();

    if ( download )

        {

        // Download interface exists. So, we can do downloading.

        if( !download->IsDownloadedL() )

            {

            // Only do download operation if we have not already downloaded.

            operation = download->DownloadContentL( *this );

            if( !operation )

                {

                // Could not create the operation for some reason.

                IAUPDATE_TRACE("[IAUPDATE] ERROR Could not create the operation.");

                User::Leave( KErrGeneral );

                }

            }

        CleanupStack::PopAndDestroy( download );

        }

    else

        {

        IAUPDATE_TRACE("[IAUPDATE] Download interface was not found.");

        User::Leave( KErrNotFound );

        }

    IAUPDATE_TRACE("[IAUPDATE] CIAUpdateNode::DownloadL() end");

    return operation;

    }