diff -r 453dfc402455 -r 0aa8cc770c8a mtpdataproviders/mtpplaybackcontroldp/src/cmtpplaybackproperty.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtpplaybackcontroldp/src/cmtpplaybackproperty.cpp	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,265 @@
+// 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 "cmtpplaybackmap.h"
+#include "cmtpplaybackproperty.h"
+#include "mtpplaybackcontrolpanic.h"
+
+// Class constants.
+__FLOG_STMT(_LIT8(KComponent,"MTPPlaybackProperty");)
+
+const TInt32 KMTPDefaultPlaybackRate = 0;
+
+const TUint32 KMTPMaxPlaybackVolume = 100;
+const TUint32 KMTPMinPlaybackVolume = 0;
+const TUint32 KMTPDefaultPlaybackVolume = 40;
+const TUint32 KMTPCurrentPlaybackVolume = 40;
+const TUint32 KMTPVolumeStep = 1;
+
+const TUint32 KMTPDefaultPlaybackObject = 0;
+const TUint32 KMTPDefaultPlaybackIndex = 0;
+const TUint32 KMTPDefaultPlaybackPosition = 0;
+
+/**
+Two-phase constructor.
+@param aPlugin The data provider plugin
+@return a pointer to the created playback checker object
+*/  
+CMTPPlaybackProperty* CMTPPlaybackProperty::NewL()
+    {
+    CMTPPlaybackProperty* self = new (ELeave) CMTPPlaybackProperty();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+/**
+Destructor.
+*/    
+CMTPPlaybackProperty::~CMTPPlaybackProperty()
+    {    
+    __FLOG(_L8("~CMTPPlaybackProperty - Entry"));
+    delete iPlaybackVolumeData;
+    __FLOG(_L8("~CMTPPlaybackProperty - Exit"));
+    __FLOG_CLOSE;
+    }
+
+/**
+Constructor.
+*/    
+CMTPPlaybackProperty::CMTPPlaybackProperty()
+    {    
+    }
+    
+/**
+Second-phase constructor.
+*/        
+void CMTPPlaybackProperty::ConstructL()
+    {
+    __FLOG_OPEN(KMTPSubsystem, KComponent);
+    __FLOG(_L8("ConstructL - Entry")); 
+    __FLOG(_L8("ConstructL - Exit")); 
+    }
+
+void CMTPPlaybackProperty::GetDefaultPropertyValueL(TMTPDevicePropertyCode aProp, TInt32& aValue)
+    {
+    __FLOG(_L8("GetDefaultPropertyValueL - Entry"));
+    
+    __ASSERT_ALWAYS((aProp == EMTPDevicePropCodePlaybackRate), User::Leave(KErrArgument));
+    aValue = KMTPDefaultPlaybackRate;
+
+    __FLOG(_L8("GetDefaultPropertyValueL - Exit")); 
+    }
+
+void CMTPPlaybackProperty::GetDefaultPropertyValueL(TMTPDevicePropertyCode aProp, TUint32& aValue)
+    {
+    __FLOG(_L8("GetDefaultPropertyValueL - Entry"));
+    switch(aProp)
+        {
+    case EMTPDevicePropCodeVolume:
+        {
+        if(iPlaybackVolumeData != NULL)
+            {
+            aValue = iPlaybackVolumeData->DefaultVolume();            
+            }
+        else
+            {
+            aValue = KMTPDefaultPlaybackVolume;
+            }
+        }
+        break;
+        
+    case EMTPDevicePropCodePlaybackObject:
+        {
+        aValue = KMTPDefaultPlaybackObject;
+        }
+        break;
+        
+    case EMTPDevicePropCodePlaybackContainerIndex:
+        {
+        aValue = KMTPDefaultPlaybackIndex;
+        }
+        break;
+        
+    case EMTPDevicePropCodePlaybackPosition:
+        {
+        aValue = KMTPDefaultPlaybackPosition;
+        }
+        break;
+        
+    default:
+        User::Leave(KErrArgument);   
+        }
+    __FLOG(_L8("GetDefaultPropertyValueL - Exit"));
+    }
+
+void CMTPPlaybackProperty::GetDefaultVolSet(TMTPPbDataVolume& aValue)
+    {
+    if(iPlaybackVolumeData == NULL)
+        {
+        aValue.SetVolume(KMTPMaxPlaybackVolume,
+                         KMTPMinPlaybackVolume,
+                         KMTPDefaultPlaybackVolume,
+                         KMTPCurrentPlaybackVolume,
+                         KMTPVolumeStep);
+        }
+    else
+        {
+        aValue = (*iPlaybackVolumeData);
+        }
+    }
+
+void CMTPPlaybackProperty::SetDefaultVolSetL(const TMTPPbDataVolume& aValue)
+    {
+    if(iPlaybackVolumeData == NULL)
+        {
+        iPlaybackVolumeData = new (ELeave) TMTPPbDataVolume(aValue);
+        }
+    else
+        {
+        (*iPlaybackVolumeData) = aValue;
+        }
+    }
+
+void CMTPPlaybackProperty::GetDefaultPropertyValueL(TMTPPbCtrlData& aValue)
+    {
+    __FLOG(_L8("GetDefaultPropertyValueL - Entry"));
+    __ASSERT_DEBUG((aValue.iOptCode == EMTPOpCodeResetDevicePropValue), Panic(EMTPPBArgumentErr));
+    
+    switch(aValue.iDevPropCode)
+        {
+    case EMTPDevicePropCodePlaybackRate:
+        {
+        TInt32 val;
+        GetDefaultPropertyValueL(aValue.iDevPropCode, val);
+        aValue.iPropValInt32.Set(val);
+        }
+        break;
+
+    case EMTPDevicePropCodeVolume:
+    case EMTPDevicePropCodePlaybackObject:
+    case EMTPDevicePropCodePlaybackContainerIndex:
+    case EMTPDevicePropCodePlaybackPosition:
+        {
+        TUint32 val;
+        GetDefaultPropertyValueL(aValue.iDevPropCode, val);
+        aValue.iPropValUint32.Set(val);
+        }
+        break;
+        
+    default:
+        User::Leave(KErrArgument);
+        }
+    __FLOG(_L8("GetDefaultPropertyValueL - Exit"));
+    }
+
+TBool CMTPPlaybackProperty::IsDefaultPropertyValueL(const TMTPPbCtrlData& aValue) const
+    {
+    __FLOG(_L8("EqualToDefaultPropertyValueL - Entry"));
+    
+    TInt result(EFalse);
+
+    switch(aValue.iDevPropCode)
+        {
+    case EMTPDevicePropCodePlaybackRate:
+        {
+        if(aValue.iPropValInt32.Value() == KMTPDefaultPlaybackRate)
+            {
+            result = ETrue;
+            }
+        }
+        break;
+            
+    case EMTPDevicePropCodeVolume:
+        {
+        if(iPlaybackVolumeData == NULL)
+            {
+            if(aValue.iPropValUint32.Value() == KMTPDefaultPlaybackVolume)
+                {
+                result = ETrue;
+                }
+            }
+        else
+            {
+            if(aValue.iPropValUint32.Value() == iPlaybackVolumeData->DefaultVolume())
+                {
+                result = ETrue;
+                }
+            }
+        }
+        break;
+
+    case EMTPDevicePropCodePlaybackObject:
+        {
+        if(aValue.iPropValUint32.Value() == KMTPDefaultPlaybackObject)
+            {
+            result = ETrue;
+            }
+        }
+        break;
+        
+    case EMTPDevicePropCodePlaybackContainerIndex:
+        {
+        if(aValue.iPropValUint32.Value() == KMTPDefaultPlaybackIndex)
+            {
+            result = ETrue;
+            }
+        }
+        break;
+        
+    case EMTPDevicePropCodePlaybackPosition:
+        {
+        if(aValue.iPropValUint32.Value() == KMTPDefaultPlaybackPosition)
+            {
+            result = ETrue;
+            }
+        }
+        break;
+        
+    default:
+        User::Leave(KErrArgument);
+        }
+
+    __FLOG(_L8("EqualToDefaultPropertyValueL - Exit"));
+    
+    return result;
+    }
+