mtpdataproviders/mtpplaybackcontroldp/mtpplaybackinterface/src/cmtpplaybackparam.cpp
author hgs
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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 "cmtpplaybackparam.h"
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#include "mtpplaybackcontrolpanic.h"
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/*********************************************
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    class TMTPPbDataSuid
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**********************************************/
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TMTPPbCategory TMTPPbDataSuid::Category() const
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    {
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    return iPlayCategory;
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    }
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const TDesC& TMTPPbDataSuid::Suid() const
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    {
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    return iSuid;
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    }
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TMTPPbDataSuid::TMTPPbDataSuid(TMTPPbCategory aCategory, const TDesC& aSuid):
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    iPlayCategory(aCategory),
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    iSuid(aSuid)
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    {
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    }
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/*********************************************
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    class CMTPPbParamBase
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**********************************************/
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CMTPPbParamBase::~CMTPPbParamBase()
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    {
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    delete iData;
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    }
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CMTPPbParamBase::CMTPPbParamBase():
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    iParamType(EMTPPbTypeNone)
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    {
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    }
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CMTPPbParamBase::CMTPPbParamBase(TMTPPbCategory /*aCategory*/, const TDesC& /*aSuid*/):
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    iParamType(EMTPPbSuidSet)
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    {
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    }
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CMTPPbParamBase::CMTPPbParamBase(TInt32 /*aValue*/):
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    iParamType(EMTPPbInt32)
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    {
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    }
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CMTPPbParamBase::CMTPPbParamBase(TUint32 /*aValue*/):
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    iParamType(EMTPPbUint32)
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    {
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    }
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void CMTPPbParamBase::ConstructL(TMTPPbCategory aCategory, const TDesC& aSuid)
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    {
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    TMTPPbDataSuid* val = new (ELeave) TMTPPbDataSuid(aCategory, aSuid);
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    iData = static_cast<TAny*>(val);
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    }
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void CMTPPbParamBase::ConstructL(TInt32 aValue)
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    {
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    TInt32* val = new (ELeave) TInt32();
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    *val = aValue;
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    iData = static_cast<TAny*>(val);
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    }
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void CMTPPbParamBase::ConstructL(TUint32 aValue)
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    {
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    TUint32* val = new (ELeave) TUint32();
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    *val = aValue;
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    iData = static_cast<TAny*>(val);
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    }
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void CMTPPbParamBase::ConstructL(const CMTPPbParamBase& aParam)
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    {
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    TMTPPbDataType type(aParam.Type());
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    __ASSERT_DEBUG((type > EMTPPbTypeNone && type < EMTPPbTypeEnd), Panic(EMTPPBArgumentErr));
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    __ASSERT_ALWAYS((type > EMTPPbTypeNone && type < EMTPPbTypeEnd), User::Leave(KErrArgument));
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    switch(type)
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        {
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        case EMTPPbSuidSet:
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            {
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            ConstructL(aParam.SuidSetL().Category(), aParam.SuidSetL().Suid());
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            }
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            break;
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        case EMTPPbInt32:
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            {
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            ConstructL(aParam.Int32L());
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            }
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            break;
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        case EMTPPbUint32:
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            {
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            ConstructL(aParam.Uint32L());
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            }
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            break;
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        default:
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            User::Leave(KErrArgument);
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            break;
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        }
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    iParamType = type;
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    }
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TMTPPbDataType CMTPPbParamBase::Type() const
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    {
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    __ASSERT_DEBUG((iParamType > EMTPPbTypeNone && iParamType < EMTPPbTypeEnd), 
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                    Panic(EMTPPBDataTypeErr));
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    return iParamType;
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    }
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void CMTPPbParamBase::SetType(TMTPPbDataType aType)
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    {
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    __ASSERT_DEBUG((iParamType == EMTPPbTypeNone), Panic(EMTPPBDataTypeErr));
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    __ASSERT_DEBUG((aType > EMTPPbTypeNone && aType < EMTPPbTypeEnd), Panic(EMTPPBDataTypeErr));
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    iParamType = aType;
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    }
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TAny* CMTPPbParamBase::GetData() const
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    {
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    __ASSERT_DEBUG((iData != NULL), Panic(EMTPPBDataNullErr));
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    return iData;
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    }
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void CMTPPbParamBase::SetData(TAny* aData)
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    {
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    __ASSERT_DEBUG((aData != NULL), Panic(EMTPPBDataNullErr));
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    iData = aData;
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    }
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const TMTPPbDataSuid& CMTPPbParamBase::SuidSetL() const
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    {
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    __ASSERT_DEBUG((iParamType == EMTPPbSuidSet), Panic(EMTPPBDataTypeErr));
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    __ASSERT_ALWAYS((iParamType == EMTPPbSuidSet), User::Leave(KErrArgument));
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    return *static_cast<TMTPPbDataSuid*>(iData);
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    }
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TInt32 CMTPPbParamBase::Int32L() const
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    {
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    __ASSERT_DEBUG((iParamType == EMTPPbInt32), Panic(EMTPPBDataTypeErr));
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    __ASSERT_ALWAYS((iParamType == EMTPPbInt32), User::Leave(KErrArgument));
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    return *static_cast<TInt32*>(iData);
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    }
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TUint32 CMTPPbParamBase::Uint32L() const
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    {
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    __ASSERT_DEBUG((iParamType == EMTPPbUint32), Panic(EMTPPBDataTypeErr));
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    __ASSERT_ALWAYS((iParamType == EMTPPbUint32), User::Leave(KErrArgument));
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    return *static_cast<TUint32*>(iData);
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    }