// Copyright (c) 2010 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:

//

/**

 @file

 @internalComponent

*/

#include <mtp/mmtpdataproviderframework.h>

#include <mtp/mtpprotocolconstants.h>

#include <mtp/tmtptyperequest.h>

#include "cmtppbcgetdevicepropvalue.h"

#include "mtpplaybackcontroldpconst.h"

#include "cmtpplaybackcontroldp.h"

#include "cmtpplaybackproperty.h"

#include "cmtpplaybackcommand.h"

#include "mtpplaybackcontrolpanic.h"

/**

Two-phase constructor.

@param aPlugin  The data provider plugin

@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* CMTPPbcGetDevicePropValue::NewL(MMTPDataProviderFramework& aFramework, 

                                                   MMTPConnection& aConnection, 

                                                   CMTPPlaybackControlDataProvider& aDataProvider)

    {

    CMTPPbcGetDevicePropValue* self = new (ELeave) CMTPPbcGetDevicePropValue(aFramework, aConnection, aDataProvider);

    return self;

    }

/**

Destructor.

*/    

CMTPPbcGetDevicePropValue::~CMTPPbcGetDevicePropValue()

    {

    delete iPbCmd;

    }

/**

Constructor.

*/    

CMTPPbcGetDevicePropValue::CMTPPbcGetDevicePropValue(MMTPDataProviderFramework& aFramework, 

                                                MMTPConnection& aConnection,

                                                CMTPPlaybackControlDataProvider& aDataProvider):

    CMTPRequestProcessor(aFramework, aConnection, 0, NULL),

    iPlaybackControlDp(aDataProvider)

    {

    }

/**

CMTPPbcGetDevicePropValue request validator.

@return EMTPRespCodeOK if request is verified, otherwise one of the error response codes

*/

TMTPResponseCode CMTPPbcGetDevicePropValue::CheckRequestL()

    {

    TMTPResponseCode respCode = CMTPRequestProcessor::CheckRequestL();

    if(respCode == EMTPRespCodeOK)

        {

        respCode = EMTPRespCodeDevicePropNotSupported;

        TUint32 propCode = Request().Uint32(TMTPTypeRequest::ERequestParameter1);

        const TInt count = sizeof(KMTPPlaybackControlDpSupportedProperties) / 

                           sizeof(KMTPPlaybackControlDpSupportedProperties[0]);

        for (TUint i(0); (i < count); i++)

            {

            if (propCode == KMTPPlaybackControlDpSupportedProperties[i])

                {

                respCode = EMTPRespCodeOK;

                break;

                }

            }

        }

    return respCode;

    }

/**

CMTPPbcGetDevicePropValue request handler.

*/   

void CMTPPbcGetDevicePropValue::ServiceL()

    {

    //Destroy the previous playback command.

    delete iPbCmd;

    iPbCmd = NULL;

    //Get the device property code

    TMTPDevicePropertyCode propCode(static_cast<TMTPDevicePropertyCode>(Request().

                                    Uint32(TMTPTypeRequest::ERequestParameter1)));

    TMTPPbCtrlData data;

    data.iOptCode = EMTPOpCodeGetDevicePropValue;

    data.iDevPropCode = propCode;

    //Get a new playback command.

    CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap());

    TInt result = map.GetPlaybackControlCommand(data, &iPbCmd);

    if(KErrNone == result)

        {

        MMTPPlaybackControl& control(iPlaybackControlDp.GetPlaybackControlL());

        TRAPD(err, control.CommandL(*iPbCmd, this));

        __ASSERT_ALWAYS((err == KErrNone), SendResponseL(EMTPRespCodeParameterNotSupported));

        }

    else if(KErrNotSupported == result)

        {

        SendResponseL(EMTPRespCodeDevicePropNotSupported);

        }

    else

        {

        SendResponseL(EMTPRespCodeParameterNotSupported);

        }

    }

void CMTPPbcGetDevicePropValue::HandlePlaybackCommandCompleteL(CMTPPlaybackCommand* aCmd, TInt aErr)

    {

    //Handle the error

    TBool useDefault = EFalse;

    switch(aErr)

        {

        case KPlaybackErrNone:

            {

            __ASSERT_DEBUG((aCmd != NULL), Panic(EMTPPBDataNullErr));

            __ASSERT_DEBUG((aCmd->PlaybackCommand() == iPbCmd->PlaybackCommand()), Panic(EMTPPBArgumentErr));

            }

            break;

        case KPlaybackErrContextInvalid:

            {

            useDefault = ETrue;

            }

            break;

        case KPlaybackErrDeviceUnavailable:

            {

            iPlaybackControlDp.RequestToResetPbCtrl();

            SendResponseL(EMTPRespCodeDeviceBusy);

            }

            return;

        default:

            {

            SendResponseL(EMTPRespCodeDeviceBusy);

            }

            return;

        }

    CMTPPlaybackProperty& property(iPlaybackControlDp.GetPlaybackProperty());

    TMTPDevicePropertyCode propCode(static_cast<TMTPDevicePropertyCode>

                                   (Request().Uint32(TMTPTypeRequest::ERequestParameter1)));

    switch(propCode)

        {

    case EMTPDevicePropCodePlaybackRate:

        {

        CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap());

        TInt32 val;

        if(useDefault)

            {

            property.GetDefaultPropertyValueL(propCode, val);

            }

        else

            {

            TMTPPlaybackState state = static_cast<TMTPPlaybackState>(aCmd->ParamL().Uint32L());

            val = map.PlaybackRateL(state);

            }

        iInt32.Set(val);

        SendDataL(iInt32);

        }

        break;

    case EMTPDevicePropCodePlaybackObject:

        {

        CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap());

        TUint32 val;

        if(useDefault)

            {

            property.GetDefaultPropertyValueL(propCode, val);

            }

        else

            {

            val = map.ObjectHandleL(aCmd->ParamL().SuidSetL().Suid());

            }

        iUint32.Set(val);

        SendDataL(iUint32);

        }

        break;

    case EMTPDevicePropCodeVolume:

    case EMTPDevicePropCodePlaybackContainerIndex:

    case EMTPDevicePropCodePlaybackPosition:

        {

        TUint32 val;

        if(useDefault)

            {

            property.GetDefaultPropertyValueL(propCode, val);

            }

        else

            {

            val = aCmd->ParamL().Uint32L();

            }

        iUint32.Set(val);

        SendDataL(iUint32);

        }

        break;

    default:

        SendResponseL(EMTPRespCodeDevicePropNotSupported);

        break;             

        }

    }