mtpdataproviders/mtpplaybackcontroldp/src/cmtppbcresetdevicepropvalue.cpp
author hgs
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permissions -rw-r--r--
201044_04
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// Copyright (c) 2010 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:
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//
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/**
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 @file
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 @internalComponent
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*/
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#include "cmtppbcresetdevicepropvalue.h"
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#include "mtpplaybackcontroldpconst.h"
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#include "cmtpplaybackcontroldp.h"
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#include "cmtpplaybackproperty.h"
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#include "cmtpplaybackcommand.h"
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#include "mtpplaybackcontrolpanic.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "cmtppbcresetdevicepropvalueTraces.h"
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#endif
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/**
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Two-phase constructor.
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@param aPlugin  The data provider plugin
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@param aFramework The data provider framework
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@param aConnection The connection from which the request comes
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@return a pointer to the created request processor object.
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*/  
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MMTPRequestProcessor* CMTPPbcResetDevicePropValue::NewL(MMTPDataProviderFramework& aFramework, 
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                                                    MMTPConnection& aConnection, 
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                                                    CMTPPlaybackControlDataProvider& aDataProvider)
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    {
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    OstTraceFunctionEntry0( CMTPPBCRESETDEVICEPROPVALUE_NEWL_ENTRY );
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    CMTPPbcResetDevicePropValue* self = new (ELeave) CMTPPbcResetDevicePropValue(aFramework, aConnection, aDataProvider);
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    OstTraceFunctionExit0( CMTPPBCRESETDEVICEPROPVALUE_NEWL_EXIT );
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    return self;
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    }
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/**
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Destructor
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*/    
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CMTPPbcResetDevicePropValue::~CMTPPbcResetDevicePropValue()
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    {    
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    OstTraceFunctionEntry0( CMTPPBCRESETDEVICEPROPVALUE_CMTPPBCRESETDEVICEPROPVALUE_ENTRY );
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    delete iPbCmd;
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    OstTraceFunctionExit0( CMTPPBCRESETDEVICEPROPVALUE_CMTPPBCRESETDEVICEPROPVALUE_EXIT );
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    }
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/**
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Standard c++ constructor
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*/    
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CMTPPbcResetDevicePropValue::CMTPPbcResetDevicePropValue(MMTPDataProviderFramework& aFramework, 
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                                                    MMTPConnection& aConnection,
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                                                    CMTPPlaybackControlDataProvider& aDataProvider):
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                                                    CMTPRequestProcessor(aFramework, aConnection, 0, NULL),
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                                                    iPlaybackControlDp(aDataProvider)
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    {
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    OstTraceFunctionEntry0( DUP1_CMTPPBCRESETDEVICEPROPVALUE_CMTPPBCRESETDEVICEPROPVALUE_ENTRY );
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    OstTraceFunctionExit0( DUP1_CMTPPBCRESETDEVICEPROPVALUE_CMTPPBCRESETDEVICEPROPVALUE_EXIT );
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    }
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/**
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SetDevicePropValue request validator.
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@return EMTPRespCodeOK if request is verified, otherwise one of the error response codes
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*/
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TMTPResponseCode CMTPPbcResetDevicePropValue::CheckRequestL()
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    {
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    OstTraceFunctionEntry0( CMTPPBCRESETDEVICEPROPVALUE_CHECKREQUESTL_ENTRY );
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    TMTPResponseCode respCode = CMTPRequestProcessor::CheckRequestL();
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    if(respCode == EMTPRespCodeOK)
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        {
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        respCode = EMTPRespCodeDevicePropNotSupported;
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        TUint32 propCode = Request().Uint32(TMTPTypeRequest::ERequestParameter1);
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        const TInt count = sizeof(KMTPPlaybackControlDpSupportedProperties) / sizeof(KMTPPlaybackControlDpSupportedProperties[0]);
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        for (TUint i(0); (i < count); i++)
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            {
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            if (propCode == KMTPPlaybackControlDpSupportedProperties[i])
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                {
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                respCode = EMTPRespCodeOK;
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                break;
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                }
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            }
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        }
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    OstTraceFunctionExit0( CMTPPBCRESETDEVICEPROPVALUE_CHECKREQUESTL_EXIT );
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    return respCode;
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    }
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/**
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ResetDevicePropValue request handler.
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*/ 	
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void CMTPPbcResetDevicePropValue::ServiceL()
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    {
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    OstTraceFunctionEntry0( CMTPPBCRESETDEVICEPROPVALUE_SERVICEL_ENTRY );
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    CMTPPlaybackMap& map(iPlaybackControlDp.GetPlaybackMap());
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    //Destroy the previous playback command.
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    delete iPbCmd;
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    iPbCmd = NULL;
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    //Get a new playback command.
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    iData.iOptCode = EMTPOpCodeResetDevicePropValue;
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    TMTPDevicePropertyCode propCode(static_cast<TMTPDevicePropertyCode>(Request().
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                                    Uint32(TMTPTypeRequest::ERequestParameter1)));
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    iData.iDevPropCode = propCode;
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    CMTPPlaybackProperty& property(iPlaybackControlDp.GetPlaybackProperty());
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    property.GetDefaultPropertyValueL(iData);
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    TInt result = map.GetPlaybackControlCommand(iData, &iPbCmd);
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    if(KErrNone == result)
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        {
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        MMTPPlaybackControl& control(iPlaybackControlDp.GetPlaybackControlL());
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        TRAPD(err, control.CommandL(*iPbCmd, this));
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        __ASSERT_ALWAYS((err == KErrNone), SendResponseL(EMTPRespCodeParameterNotSupported));
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        }
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    else if(KErrNotSupported == result)
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        {
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        SendResponseL(EMTPRespCodeDevicePropNotSupported);
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        }
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    else
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        {
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        SendResponseL(EMTPRespCodeParameterNotSupported);
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        }
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    OstTraceFunctionExit0( CMTPPBCRESETDEVICEPROPVALUE_SERVICEL_EXIT );
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    }
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void CMTPPbcResetDevicePropValue::HandlePlaybackCommandCompleteL(CMTPPlaybackCommand* aCmd, TInt aErr)
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    {
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    OstTraceFunctionEntry0( CMTPPBCRESETDEVICEPROPVALUE_HANDLEPLAYBACKCOMMANDCOMPLETEL_ENTRY );
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    OstTrace1( TRACE_NORMAL, CMTPPBCRESETDEVICEPROPVALUE_HANDLEPLAYBACKCOMMANDCOMPLETEL, "aErr %d", aErr );
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    //Handle error response.
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    TMTPResponseCode response;
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    switch(aErr)
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        {
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        case KPlaybackErrNone:
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            {
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            response = EMTPRespCodeOK;
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            }
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            break;
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        case KPlaybackErrDeviceUnavailable:
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            {
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            response = EMTPRespCodeDeviceBusy;
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            iPlaybackControlDp.RequestToResetPbCtrl();
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            }
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            break;
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        case KPlaybackErrContextInvalid:
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            {
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            response = EMTPRespCodeAccessDenied;
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            }
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            break;
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        default:
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            {
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            response = EMTPRespCodeDeviceBusy;
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            }
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            break;
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        }
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    SendResponseL(response);
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    if(aCmd != NULL)
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        {
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        __ASSERT_DEBUG((aCmd->PlaybackCommand() == iPbCmd->PlaybackCommand()), Panic(EMTPPBArgumentErr));
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        OstTrace1( TRACE_NORMAL, DUP1_CMTPPBCRESETDEVICEPROPVALUE_HANDLEPLAYBACKCOMMANDCOMPLETEL, "aCmd %d", aCmd->PlaybackCommand() );
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        }
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    OstTraceFunctionExit0( CMTPPBCRESETDEVICEPROPVALUE_HANDLEPLAYBACKCOMMANDCOMPLETEL_EXIT );
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    }