diff -r 453dfc402455 -r 0aa8cc770c8a mtpdataproviders/mtpplaybackcontroldp/mtpplaybackinterface/src/cmtpplaybackparam.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtpplaybackcontroldp/mtpplaybackinterface/src/cmtpplaybackparam.cpp	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,177 @@
+// 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 "cmtpplaybackparam.h"
+#include "mtpplaybackcontrolpanic.h"
+
+
+/*********************************************
+    class TMTPPbDataSuid
+**********************************************/
+TMTPPbCategory TMTPPbDataSuid::Category() const
+    {
+    return iPlayCategory;
+    }
+
+const TDesC& TMTPPbDataSuid::Suid() const
+    {
+    return iSuid;
+    }
+
+TMTPPbDataSuid::TMTPPbDataSuid(TMTPPbCategory aCategory, const TDesC& aSuid):
+    iPlayCategory(aCategory),
+    iSuid(aSuid)
+    {
+    
+    }
+
+/*********************************************
+    class CMTPPbParamBase
+**********************************************/
+
+CMTPPbParamBase::~CMTPPbParamBase()
+    {
+    delete iData;
+    }
+
+CMTPPbParamBase::CMTPPbParamBase():
+    iParamType(EMTPPbTypeNone)
+    {
+
+    }
+
+CMTPPbParamBase::CMTPPbParamBase(TMTPPbCategory /*aCategory*/, const TDesC& /*aSuid*/):
+    iParamType(EMTPPbSuidSet)
+    {
+
+    }
+
+CMTPPbParamBase::CMTPPbParamBase(TInt32 /*aValue*/):
+    iParamType(EMTPPbInt32)
+    {
+    
+    }
+
+CMTPPbParamBase::CMTPPbParamBase(TUint32 /*aValue*/):
+    iParamType(EMTPPbUint32)
+    {
+    
+    }
+
+void CMTPPbParamBase::ConstructL(TMTPPbCategory aCategory, const TDesC& aSuid)
+    {
+    TMTPPbDataSuid* val = new (ELeave) TMTPPbDataSuid(aCategory, aSuid);
+    iData = static_cast<TAny*>(val);
+    }
+
+void CMTPPbParamBase::ConstructL(TInt32 aValue)
+    {
+    TInt32* val = new (ELeave) TInt32();
+    *val = aValue;
+    iData = static_cast<TAny*>(val);
+    }
+
+void CMTPPbParamBase::ConstructL(TUint32 aValue)
+    {
+    TUint32* val = new (ELeave) TUint32();
+    *val = aValue;
+    iData = static_cast<TAny*>(val);
+    }
+
+void CMTPPbParamBase::ConstructL(const CMTPPbParamBase& aParam)
+    {
+    TMTPPbDataType type(aParam.Type());
+    __ASSERT_DEBUG((type > EMTPPbTypeNone && type < EMTPPbTypeEnd), Panic(EMTPPBArgumentErr));
+    __ASSERT_ALWAYS((type > EMTPPbTypeNone && type < EMTPPbTypeEnd), User::Leave(KErrArgument));
+    
+    switch(type)
+        {
+        case EMTPPbSuidSet:
+            {
+            ConstructL(aParam.SuidSetL().Category(), aParam.SuidSetL().Suid());
+            }
+            break;
+        case EMTPPbInt32:
+            {
+            ConstructL(aParam.Int32L());
+            }
+            break;
+        case EMTPPbUint32:
+            {
+            ConstructL(aParam.Uint32L());
+            }
+            break;
+        default:
+            User::Leave(KErrArgument);
+            break;
+        }
+
+    iParamType = type;
+    }
+
+TMTPPbDataType CMTPPbParamBase::Type() const
+    {
+    __ASSERT_DEBUG((iParamType > EMTPPbTypeNone && iParamType < EMTPPbTypeEnd), 
+                    Panic(EMTPPBDataTypeErr));
+    return iParamType;
+    }
+
+void CMTPPbParamBase::SetType(TMTPPbDataType aType)
+    {
+    __ASSERT_DEBUG((iParamType == EMTPPbTypeNone), Panic(EMTPPBDataTypeErr));
+    __ASSERT_DEBUG((aType > EMTPPbTypeNone && aType < EMTPPbTypeEnd), Panic(EMTPPBDataTypeErr));
+    iParamType = aType;
+    }
+
+TAny* CMTPPbParamBase::GetData() const
+    {
+    __ASSERT_DEBUG((iData != NULL), Panic(EMTPPBDataNullErr));
+    return iData;
+    }
+
+void CMTPPbParamBase::SetData(TAny* aData)
+    {
+    __ASSERT_DEBUG((aData != NULL), Panic(EMTPPBDataNullErr));
+    iData = aData;
+    }
+
+const TMTPPbDataSuid& CMTPPbParamBase::SuidSetL() const
+    {
+    __ASSERT_DEBUG((iParamType == EMTPPbSuidSet), Panic(EMTPPBDataTypeErr));
+    __ASSERT_ALWAYS((iParamType == EMTPPbSuidSet), User::Leave(KErrArgument));
+
+    return *static_cast<TMTPPbDataSuid*>(iData);
+    }
+
+TInt32 CMTPPbParamBase::Int32L() const
+    {
+    __ASSERT_DEBUG((iParamType == EMTPPbInt32), Panic(EMTPPBDataTypeErr));
+    __ASSERT_ALWAYS((iParamType == EMTPPbInt32), User::Leave(KErrArgument));
+
+    return *static_cast<TInt32*>(iData);
+    }
+
+TUint32 CMTPPbParamBase::Uint32L() const
+    {
+    __ASSERT_DEBUG((iParamType == EMTPPbUint32), Panic(EMTPPBDataTypeErr));
+    __ASSERT_ALWAYS((iParamType == EMTPPbUint32), User::Leave(KErrArgument));
+
+    return *static_cast<TUint32*>(iData);
+    }