--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mtpdataproviders/mtpplaybackcontroldp/mtpplaybackmpximplementation/src/cmtpplaybackresumehelper.cpp	Tue Aug 31 16:03:15 2010 +0300
@@ -0,0 +1,402 @@
+// 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 "cmtpplaybackresumehelper.h"
+#include "cmtpplaybackcommand.h"
+#include "cmtpplaybackcontrolimpl.h"
+
+// Constants
+__FLOG_STMT(_LIT8(KComponent,"PlaybackResumeHelper");)
+
+// ======== MEMBER FUNCTIONS ========
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::NewL
+// ---------------------------------------------------------------------------
+//
+CMTPPlaybackResumeHelper* CMTPPlaybackResumeHelper::NewL(
+            CMTPPlaybackControlImpl& aControlImpl )
+    {
+    CMTPPlaybackResumeHelper* self = new ( ELeave ) 
+                        CMTPPlaybackResumeHelper( aControlImpl );
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::~CMTPPlaybackResumeHelper
+// ---------------------------------------------------------------------------
+//
+CMTPPlaybackResumeHelper::~CMTPPlaybackResumeHelper()
+    {
+    __FLOG(_L8("+CMTPPlaybackResumeHelper::~CMTPPlaybackResumeHelper"));
+    __FLOG(_L8("-CMTPPlaybackResumeHelper::~CMTPPlaybackResumeHelper"));
+    __FLOG_CLOSE;
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::UpdatePrepareCmdArrayL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::UpdatePrepareCmdArray( TMTPPlaybackCommand aMTPPPBCmd, 
+        RResumeCmdArray& aMTPPBMPXCmd )
+    {
+    __FLOG(_L8("+CMTPPlaybackResumeHelper::UpdatePrepareCmdArrayL"));
+    
+    aMTPPBMPXCmd.Reset();
+    iIfParepareArray = ETrue;
+    
+    switch ( aMTPPPBCmd )
+        {
+        case EPlaybackCmdSetPosition:
+            {
+            HandlePlaybackCmdSetPosition( aMTPPBMPXCmd );
+            }
+            break;
+        default:
+            break;
+        }
+    
+    __FLOG(_L8("-CMTPPlaybackResumeHelper::UpdatePrepareCmdArrayL"));
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::UpdateResumeCmdArrayL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::UpdateResumeCmdArray( TMTPPlaybackCommand aMTPPPBCmd, 
+        RResumeCmdArray& aMTPPBMPXCmd)
+    {
+    __FLOG(_L8("+CMTPPlaybackResumeHelper::MapMTPPBCommandToMPXCommandL"));
+    
+    aMTPPBMPXCmd.Reset();
+    iIfParepareArray = EFalse;
+    
+    switch ( aMTPPPBCmd )
+        {
+        case EPlaybackCmdInitObject:
+            {
+            HandlePlaybackCmdInitObject( aMTPPBMPXCmd );
+            }
+            break;
+        case EPlaybackCmdInitIndex:
+            {
+            HandlePlaybackCmdInitIndex( aMTPPBMPXCmd );
+            }
+            break;
+        case EPlaybackCmdPlay:
+            {
+            HandlePlaybackCmdPlay( aMTPPBMPXCmd );
+            }
+            break;
+        case EPlaybackCmdPause:
+            {
+            HandlePlaybackCmdPause( aMTPPBMPXCmd );
+            }
+            break;
+        case EPlaybackCmdSkip:
+            {
+            HandlePlaybackCmdSkip( aMTPPBMPXCmd );
+            }
+            break;
+        case EPlaybackCmdSeekForward:
+            {
+            HandlePlaybackCmdSeekForward( aMTPPBMPXCmd );
+            }
+            break;
+        case EPlaybackCmdSeekBackward:
+            {
+            HandlePlaybackCmdSeekBackward( aMTPPBMPXCmd );
+            }
+            break;
+        case EPlaybackCmdSetPosition:
+            {
+            HandlePlaybackCmdSetPosition( aMTPPBMPXCmd );
+            }
+            break;
+        default:
+            break;
+        }
+    
+    __FLOG(_L8("-CMTPPlaybackResumeHelper::MapPlaybackControlCommandL"));
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::CMTPPlaybackResumeHelper
+// ---------------------------------------------------------------------------
+//
+CMTPPlaybackResumeHelper::CMTPPlaybackResumeHelper( 
+        CMTPPlaybackControlImpl& aControlImpl )
+                : iMTPPlaybackControl( aControlImpl )
+    {
+    __FLOG_OPEN(KMTPSubsystem, KComponent);
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::HandlePlaybackCmdInitObjectL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::HandlePlaybackCmdInitObject( RResumeCmdArray& aMTPPBMPXCmdArray )
+    {
+    switch ( MTPPlaybackControlImpl().CurrentState() )
+        {
+        case EPbStatePlaying:
+            {
+            TMPXComandElement command = { EPbCmdPlay, EPbStatePlaying };
+            aMTPPBMPXCmdArray.Append( command );
+            }
+            break;
+        default:
+            break;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::HandlePlaybackCmdInitObjectL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::HandlePlaybackCmdInitIndex( RResumeCmdArray& aMTPPBMPXCmdArray )
+    {
+    switch ( MTPPlaybackControlImpl().CurrentState() )
+        {
+        case EPbStatePlaying:
+            {
+            TMPXComandElement command = { EPbCmdPlay, EPbStatePlaying };
+            aMTPPBMPXCmdArray.Append( command );
+            }
+            break;
+        default:
+            break;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::HandlePlaybackCmdPlayL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::HandlePlaybackCmdPlay(RResumeCmdArray& aMTPPBMPXCmdArray )
+    {
+    switch ( MTPPlaybackControlImpl().CurrentState() )
+        {
+        case EPbStatePaused:
+        case EPbStateStopped:
+        case EPbStateInitialised:
+            {
+            TMPXComandElement command = { EPbCmdPlay, EPbStatePlaying };
+            aMTPPBMPXCmdArray.Append( command );
+            }
+            break;
+        case EPbStateSeekingBackward:
+        case EPbStateSeekingForward:
+            {
+            if ( MTPPlaybackControlImpl().PreviousState() == EPbStatePlaying )
+                {
+                TMPXComandElement tmp = { EPbCmdStopSeeking, EPbStatePlaying };
+                aMTPPBMPXCmdArray.Append( tmp );
+                }
+            else if ( MTPPlaybackControlImpl().PreviousState() == EPbStatePaused )
+                {
+                TMPXComandElement command = { EPbCmdStopSeeking, EPbStatePaused };
+                aMTPPBMPXCmdArray.Append( command );
+                TMPXComandElement command1 = { EPbCmdPlay, EPbStatePlaying };
+                aMTPPBMPXCmdArray.Append( command1 );
+                }
+            }
+            break;
+         default:
+            break;
+         }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::HandlePlaybackCmdPauseL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::HandlePlaybackCmdPause( RResumeCmdArray& aMTPPBMPXCmdArray )
+    {
+    switch ( MTPPlaybackControlImpl().CurrentState() )
+        {
+        case EPbStatePlaying:
+            {
+            TMPXComandElement command = { EPbCmdPlayPause, EPbStatePaused };
+            aMTPPBMPXCmdArray.Append( command );
+            }
+            break;
+        case EPbStateSeekingBackward:
+        case EPbStateSeekingForward:
+            {
+            if ( MTPPlaybackControlImpl().PreviousState() == EPbStatePaused )
+                {
+                TMPXComandElement command = { EPbCmdStopSeeking, EPbStatePaused };
+                aMTPPBMPXCmdArray.Append( command );
+                }
+            else if ( MTPPlaybackControlImpl().PreviousState() == EPbStatePlaying )
+                {
+                TMPXComandElement command = { EPbCmdStopSeeking, EPbStatePlaying };
+                aMTPPBMPXCmdArray.Append( command );
+                TMPXComandElement command1 = { EPbCmdPlayPause, EPbStatePaused };
+                aMTPPBMPXCmdArray.Append( command1 );
+                }
+            }
+           break;
+        default:
+           break;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::HandlePlaybackCmdSeekForwardL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::HandlePlaybackCmdSeekForward( RResumeCmdArray& aMTPPBMPXCmd )
+    {
+    switch ( MTPPlaybackControlImpl().CurrentState() )
+        {
+        case EPbStatePlaying:
+        case EPbStatePaused:
+            {
+            TMPXComandElement command = { EPbCmdStartSeekForward, EPbStateSeekingForward };
+            aMTPPBMPXCmd.Append( command );
+            }
+            break;
+        case EPbStateInitialised:
+            {
+            TMPXComandElement command = { EPbCmdPlay, EPbStatePlaying };
+            aMTPPBMPXCmd.Append( command );
+            TMPXComandElement command1 = { EPbCmdStartSeekForward, EPbStateSeekingForward };
+            aMTPPBMPXCmd.Append( command1 );
+            }
+            break;
+        case EPbStateSeekingBackward:
+            {
+            if ( MTPPlaybackControlImpl().PreviousState() == EPbStatePaused )
+                {
+                TMPXComandElement command = { EPbCmdStopSeeking, EPbStatePaused };
+                aMTPPBMPXCmd.Append( command );
+                TMPXComandElement command1 = { EPbCmdStartSeekForward, EPbStateSeekingForward };
+                aMTPPBMPXCmd.Append( command1 );
+                }
+            else if ( MTPPlaybackControlImpl().PreviousState() == EPbStatePlaying )
+                {
+                TMPXComandElement command = { EPbCmdStopSeeking, EPbStatePlaying };
+                aMTPPBMPXCmd.Append( command );
+                TMPXComandElement command1 = { EPbCmdStartSeekForward, EPbStateSeekingForward };
+                aMTPPBMPXCmd.Append( command1 );
+                }
+            }
+            break;
+        default:
+            break;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::HandlePlaybackCmdSeekBackwardL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::HandlePlaybackCmdSeekBackward( RResumeCmdArray& aMTPPBMPXCmd )
+    {
+    switch ( MTPPlaybackControlImpl().CurrentState() )
+        {
+        case EPbStatePlaying:
+        case EPbStatePaused:
+            {
+            TMPXComandElement command = { EPbCmdStartSeekBackward, EPbStateSeekingBackward };
+            aMTPPBMPXCmd.Append( command );
+            }
+            break;
+        case EPbStateSeekingForward:
+            {
+            if ( MTPPlaybackControlImpl().PreviousState() == EPbStatePaused )
+                {
+                TMPXComandElement command = { EPbCmdStopSeeking, EPbStatePaused };
+                aMTPPBMPXCmd.Append( command );
+                TMPXComandElement command1 = { EPbCmdStartSeekBackward, EPbStateSeekingBackward };
+                aMTPPBMPXCmd.Append( command1 );
+                }
+            else if ( MTPPlaybackControlImpl().PreviousState() == EPbStatePlaying )
+                {
+                TMPXComandElement command = { EPbCmdStopSeeking, EPbStatePlaying };
+                aMTPPBMPXCmd.Append( command );
+                TMPXComandElement command1 = { EPbCmdStartSeekBackward, EPbStateSeekingBackward };
+                aMTPPBMPXCmd.Append( command1 );
+                }
+            }
+            break;
+        default:
+            break;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::HandlePlaybackCmdSkipL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::HandlePlaybackCmdSkip( RResumeCmdArray& aMTPPBMPXCmd )
+    {
+    switch ( MTPPlaybackControlImpl().CurrentState() )
+        {
+        case EPbStatePlaying:
+            {
+            TMPXComandElement command = { EPbCmdPlay, EPbStatePlaying };
+            aMTPPBMPXCmd.Append( command );
+            }
+            break;
+        default:
+            break;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::HandlePlaybackCmdSetPositionL
+// ---------------------------------------------------------------------------
+//
+void CMTPPlaybackResumeHelper::HandlePlaybackCmdSetPosition( RResumeCmdArray& aMTPPBMPXCmd )
+    {
+    switch ( MTPPlaybackControlImpl().CurrentState() )
+        {
+        case EPbStatePlaying:
+            {
+            if ( iIfParepareArray )
+                {
+                TMPXComandElement command = { EPbCmdPause, EPbStatePaused };
+                aMTPPBMPXCmd.Append( command );
+                }
+            else
+                {
+                TMPXComandElement command = { EPbCmdPlay, EPbStatePlaying };
+                aMTPPBMPXCmd.Append( command );
+                }
+            }
+            break;
+        default:
+            break;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CMTPPlaybackResumeHelper::CMTPPlaybackControlImpl
+// ---------------------------------------------------------------------------
+//
+CMTPPlaybackControlImpl& CMTPPlaybackResumeHelper::MTPPlaybackControlImpl()
+    {
+    return iMTPPlaybackControl;
+    }
+