// Copyright (c) 2006-2009 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:

//

#include <mtp/cmtpobjectmetadata.h>

#include <mtp/cmtptypeobjectinfo.h>

#include <mtp/cmtptypeobjectproplist.h>

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/mtpprotocolconstants.h>

#include <mtp/tmtptyperequest.h>

#include "cmtpdataprovider.h"

#include "cmtpdataprovidercontroller.h"

#include "cmtpobjectmgr.h"

#include "cmtpparserrouter.h"

#include "cmtpsetobjectproplist.h"

#include "mtpproxydppanic.h"

#include "rmtpframework.h"

/**

Two-phase construction method

@param aFramework    The data provider framework

@param aConnection    The connection from which the request comes

@return a pointer to the created request processor object

*/ 

MMTPRequestProcessor* CMTPSetObjectPropList::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection)

    {

    CMTPSetObjectPropList* self = new (ELeave) CMTPSetObjectPropList(aFramework, aConnection);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

/**

Destructor

*/    

CMTPSetObjectPropList::~CMTPSetObjectPropList()

    {

    delete iObjectPropList;

    iDpList.Close();

    iSingletons.Close();

    }

/**

Standard c++ constructor

*/    

CMTPSetObjectPropList::CMTPSetObjectPropList(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) :

    CMTPRequestProcessor(aFramework, aConnection, 0, NULL)

    {

    }

/**

Second phase constructor.

*/

void CMTPSetObjectPropList::ConstructL()

    {

    iSingletons.OpenL();

    }

/**

SetObjectPropList request handler

*/    

void CMTPSetObjectPropList::ServiceL()

    {

    delete iObjectPropList;

    iObjectPropList = NULL;

    iObjectPropList = CMTPTypeObjectPropList::NewL();

    ReceiveDataL(*iObjectPropList);    

    }

/**

Override to handle the response phase of SetObjectPropList requests

@return EFalse

*/

TBool CMTPSetObjectPropList::DoHandleResponsePhaseL()

    {

    iDpIdx = 0;

    iPropertyIdx = 0;

    iDpListCreated = EFalse;

    iPropertyIdx = 0;

    iDpList.Reset();

    iObjectPropList->ResetCursor();             

    Reschedule(KErrNone);

    return EFalse;

    }

#ifdef _DEBUG

void CMTPSetObjectPropList::ProxyReceiveDataL(MMTPType& aData, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection, TRequestStatus& aStatus)

#else

void CMTPSetObjectPropList::ProxyReceiveDataL(MMTPType& aData, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& aStatus)

#endif

    {

    __ASSERT_DEBUG(iRequest == &aRequest && &iConnection == &aConnection, Panic(EMTPNotSameRequestProxy));

    __ASSERT_DEBUG(aData.Type() == EMTPTypeObjectPropListDataset, Panic(EMTPInvalidDataType));

	CMTPTypeObjectPropList* targetObjectPropList = static_cast<CMTPTypeObjectPropList*>(&aData); 

	targetObjectPropList->AppendObjectPropListL(*iObjectPropList);

    TRequestStatus* status = &aStatus;

    User::RequestComplete(status, KErrNone);

    }

void CMTPSetObjectPropList::ProxySendDataL(const MMTPType& /*aData*/, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& /*aStatus*/)

    {

    Panic(EMTPWrongRequestPhase);

    }

#ifdef _DEBUG    

void CMTPSetObjectPropList::ProxySendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection, TRequestStatus& aStatus)

#else

void CMTPSetObjectPropList::ProxySendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& aStatus)

#endif

    {

    __ASSERT_DEBUG(iRequest == &aRequest && &iConnection == &aConnection, Panic(EMTPNotSameRequestProxy));

    iResponseCode = static_cast<TMTPResponseCode>(aResponse.Uint16(TMTPTypeResponse::EResponseCode));

    iPropertyIdx = aResponse.Uint32(TMTPTypeResponse::EResponseParameter1);

    TRequestStatus* status = &aStatus;

    User::RequestComplete(status, KErrNone);

    }

#ifdef _DEBUG    

void CMTPSetObjectPropList::ProxyTransactionCompleteL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection)

#else

void CMTPSetObjectPropList::ProxyTransactionCompleteL(const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/)

#endif

    {

    __ASSERT_DEBUG(iRequest == &aRequest && &iConnection == &aConnection, Panic(EMTPNotSameRequestProxy));

    const TInt KErr(iResponseCode == EMTPRespCodeOK ? KErrNone : KErrGeneral);    

    if (KErr == KErrNone)

        {

        ++iDpIdx;

        }

    Reschedule(KErr);

    }

void CMTPSetObjectPropList::RunL()

    {    

    if (iStatus == KErrNone) // send request to the next dp

        {

        if (!iDpListCreated)

            {    

            // Data provider list under construction.

            iResponseCode = EMTPRespCodeOK;

            const TUint KElementCount(iObjectPropList->NumberOfElements());

            const TUint KRunLength(32);

            for (TUint i(0); ((i < KRunLength) && (iPropertyIdx < KElementCount) && (iResponseCode == EMTPRespCodeOK)); ++i)

                {

				iPropertyIdx++;

				CMTPTypeObjectPropListElement& element=iObjectPropList->GetNextElementL();			

                const TUint32 KHandle(element.Uint32L(CMTPTypeObjectPropListElement::EObjectHandle));

                const TUint16 KPropCode(element.Uint16L(CMTPTypeObjectPropListElement::EPropertyCode));

                CMTPParserRouter::TRoutingParameters params(*iRequest, iConnection);

                params.SetParam(CMTPParserRouter::TRoutingParameters::EParamObjectHandle, KHandle);

                params.SetParam(CMTPParserRouter::TRoutingParameters::EParamObjectPropCode, KPropCode);

                CMTPObjectMetaData* meta(CMTPObjectMetaData::NewLC());

                if (!iSingletons.ObjectMgr().ObjectL(KHandle, *meta))

                    {

                    // Invalid object handle.

                    iResponseCode = EMTPRespCodeInvalidObjectHandle;

                    }

                else

                    {

                    RArray<TUint> targets;

                    CleanupClosePushL(targets);

                    iSingletons.Router().RouteOperationRequestL(params, targets);

                    __ASSERT_DEBUG((targets.Count() <= 1), User::Invariant());

                    if (targets.Count() == 1)

                        {

                        iDpList.InsertInOrder(targets[0]);

                        }

                    else

                        {

                        // Unsupported object propertycode.

                        iResponseCode = EMTPRespCodeObjectPropNotSupported;

                        }

                    CleanupStack::PopAndDestroy(&targets);

                    }

                CleanupStack::PopAndDestroy(meta);

                if (iResponseCode != EMTPRespCodeOK)

                    {

                    // If an error occurs at this point then no properties have been updated.

                    iPropertyIdx = 0;

                    iDpList.Reset();

                    }

                }	                

            if ((iPropertyIdx < KElementCount) && (iResponseCode == EMTPRespCodeOK))

                {

                Reschedule(KErrNone);

                }

            else

                {

                iDpListCreated = ETrue;

                }

            }

        if (iDpListCreated)

            {

            if (iDpIdx < iDpList.Count())

                {

                iSingletons.DpController().DataProviderL(iDpList[iDpIdx]).ExecuteProxyRequestL(Request(), Connection(), *this);

                }

            else

                {

                SendResponseL(iResponseCode, 1, &iPropertyIdx);                

                }

            }

        }

    else

        {

        if (!iDpListCreated)

            {

            /* 

            If an error occurs prior to starting the proxy transaction cycles 

            then no properties have been updated.

            */

            iPropertyIdx = 0;

            }

        if (iResponseCode == EMTPRespCodeOK)

            {

            iResponseCode = EMTPRespCodeGeneralError;

            }

        SendResponseL(iResponseCode, 1, &iPropertyIdx);

        }    

    }

/**

Reschedules the active object with the specified completion code.

@param aError The asynchronous request completion code.

*/

void CMTPSetObjectPropList::Reschedule(TInt aError)

    {

    SetActive();

    TRequestStatus* status = &iStatus;

    User::RequestComplete(status, aError);

    }