diff -r 0aa8cc770c8a -r 4a793f564d72 mtpdataproviders/mtpplaybackcontroldp/mtpplaybackmpximplementation/src/cmtpplaybackcommandchecker.cpp
--- a/mtpdataproviders/mtpplaybackcontroldp/mtpplaybackmpximplementation/src/cmtpplaybackcommandchecker.cpp	Tue Aug 31 16:03:15 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,209 +0,0 @@
-// 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 "cmtpplaybackcommandchecker.h"
-#include "cmtpplaybackcontrolimpl.h"
-
-// Constants
-__FLOG_STMT(_LIT8(KComponent,"PlaybackCommandChecker");)
-
-// ======== MEMBER FUNCTIONS ========
-
-// ---------------------------------------------------------------------------
-// CMTPPlaybackCommandChecker::NewL
-// ---------------------------------------------------------------------------
-//
-CMTPPlaybackCommandChecker* CMTPPlaybackCommandChecker::NewL(
-            CMTPPlaybackControlImpl& aControlImpl )
-    {
-    CMTPPlaybackCommandChecker* self = new ( ELeave ) 
-                        CMTPPlaybackCommandChecker( aControlImpl );
-    return self;
-    }
-
-// ---------------------------------------------------------------------------
-// CMTPPlaybackCommandChecker::~CMTPPlaybackCommandChecker
-// ---------------------------------------------------------------------------
-//
-CMTPPlaybackCommandChecker::~CMTPPlaybackCommandChecker()
-    {
-    __FLOG(_L8("+CMTPPlaybackCommandChecker::~CMTPPlaybackCommandChecker"));
-    __FLOG(_L8("-CMTPPlaybackCommandChecker::~CMTPPlaybackCommandChecker"));
-    __FLOG_CLOSE;
-    }
-
-// ---------------------------------------------------------------------------
-// CMTPPlaybackCommandChecker::CheckPlaybackCommandContextL
-// ---------------------------------------------------------------------------
-//
-void CMTPPlaybackCommandChecker::CheckPlaybackCommandContextL( TMTPPlaybackCommand aMTPPBCommand )
-    {
-    __FLOG(_L8("+CMTPPlaybackCommandChecker::CheckPlaybackCommandContextL"));
-    
-    MTPPlaybackControlImpl().SetMTPPBCmd( aMTPPBCommand );
-    
-    switch ( aMTPPBCommand )
-        {
-        case EPlaybackCmdInitObject:
-        case EPlaybackCmdGetVolumeSet:
-        case EPlaybackCmdGetVolume:
-        case EPlaybackCmdGetState:
-        case EPlaybackCmdSetVolume:
-            {
-            __FLOG(_L8("no context check for init object command"));
-            }
-            break;
-        case EPlaybackCmdInitIndex:
-        case EPlaybackCmdSkip:
-        case EPlaybackCmdGetIndex:
-            {
-            if ( MTPPlaybackControlImpl().SongCount() < 0 )
-                {
-                User::Leave( KPlaybackErrContextInvalid );
-                }
-            }
-            break;
-        case EPlaybackCmdPlay:
-        case EPlaybackCmdPause:
-        case EPlaybackCmdStop:
-        case EPlaybackCmdSeekForward:
-        case EPlaybackCmdSeekBackward:
-        case EPlaybackCmdGetObject:
-        case EPlaybackCmdSetPosition:
-        case EPlaybackCmdGetPosition:
-            {
-            switch ( MTPPlaybackControlImpl().CurrentState())
-                {
-                case EPbStateNotInitialised:
-                    {
-                    User::Leave( KPlaybackErrContextInvalid );
-                    }
-                default:
-                    break;
-                }
-            }
-            break;
-        default:
-            {
-            __FLOG(_L8("Not support command!"));
-            User::Leave( KPlaybackErrParamInvalid );
-            }
-            break;
-        }
-    
-    __FLOG(_L8("-CMTPPlaybackCommandChecker::CheckPlaybackCommandContextL"));
-    }
-
-// ---------------------------------------------------------------------------
-// CMTPPlaybackCommandChecker::CheckAndUpdatePlaybackParamL
-// ---------------------------------------------------------------------------
-//
-void CMTPPlaybackCommandChecker::CheckAndUpdatePlaybackParamL( CMTPPlaybackCommand& aMTPPPBSourceCmd, 
-                CMTPPbCmdParam** aMTPPPBTargetParam )
-    {
-    __FLOG(_L8("+CMTPPlaybackCommandChecker::CheckAndUpdatePlaybackParamL"));
-    
-    delete *aMTPPPBTargetParam;
-    *aMTPPPBTargetParam = NULL;
-    
-    switch ( aMTPPPBSourceCmd.PlaybackCommand())
-        {
-        case EPlaybackCmdInitObject:
-            {
-            const TMTPPbCategory category = aMTPPPBSourceCmd.ParamL().SuidSetL().Category();
-            TFileName suid = aMTPPPBSourceCmd.ParamL().SuidSetL().Suid();
-            *aMTPPPBTargetParam = CMTPPbCmdParam::NewL( category, suid );
-            }
-            break;
-        case EPlaybackCmdInitIndex:
-            {
-            TUint32 songIndex = aMTPPPBSourceCmd.ParamL().Uint32L();
-            if ( songIndex > ( MTPPlaybackControlImpl().SongCount()-1 ))
-                {
-                User::Leave( KPlaybackErrParamInvalid );
-                }
-            *aMTPPPBTargetParam = CMTPPbCmdParam::NewL( songIndex );
-            }
-            break;
-        case EPlaybackCmdSkip:
-            {
-            TInt32 songIndex = MTPPlaybackControlImpl().SongIndex() + aMTPPPBSourceCmd.ParamL().Int32L();
-            TUint32 songCount = MTPPlaybackControlImpl().SongCount();
-            
-            if ( songIndex < 0 )
-                {
-                songIndex = ( - songIndex ) % songCount;
-                songIndex = ( songCount - songIndex ) % songCount;
-                }
-            else
-                {
-                songIndex = songIndex % songCount;
-                }
-            
-            *aMTPPPBTargetParam = CMTPPbCmdParam::NewL( songIndex);
-            }
-            break;
-        case EPlaybackCmdSetVolume:
-            {
-            TUint32 volume = aMTPPPBSourceCmd.ParamL().Uint32L();
-            if( volume > KPbPlaybackVolumeLevelMax )
-                {
-                User::Leave( KPlaybackErrParamInvalid );
-                }
-            *aMTPPPBTargetParam = CMTPPbCmdParam::NewL( volume );
-            }
-            break;
-        case EPlaybackCmdSetPosition:
-            {
-            TUint32 position= aMTPPPBSourceCmd.ParamL().Uint32L();
-            *aMTPPPBTargetParam = CMTPPbCmdParam::NewL( position );
-            }
-            break;
-        default:
-            {
-            __FLOG(_L8("No param, just cache command"));
-            }
-            break;
-        }
-    
-    __FLOG(_L8("-CMTPPlaybackCommandChecker::CheckAndUpdatePlaybackParamL"));
-    }
-
-// ---------------------------------------------------------------------------
-// CMTPPlaybackCommandChecker::CMTPPlaybackCommandChecker
-// ---------------------------------------------------------------------------
-//
-CMTPPlaybackCommandChecker::CMTPPlaybackCommandChecker( 
-        CMTPPlaybackControlImpl& aControlImpl )
-                : iMTPPlaybackControl( aControlImpl )
-    {
-    __FLOG_OPEN(KMTPSubsystem, KComponent);
-    }
-
-// ---------------------------------------------------------------------------
-// CMTPPlaybackCommandChecker::MTPPlaybackControlImpl
-// ---------------------------------------------------------------------------
-//
-CMTPPlaybackControlImpl& CMTPPlaybackCommandChecker::MTPPlaybackControlImpl()
-    {
-    return iMTPPlaybackControl;
-    }
-
-