--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/harvesterserver/src/cpixstateobserver.cpp	Fri Oct 15 12:09:28 2010 +0530
@@ -0,0 +1,193 @@
+/*
+* 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: 
+*
+*/
+
+#include "cpixstateobserver.h"
+#include <mpxcollectionutility.h>
+#include <mpxmessagegeneraldefs.h>
+#include <mpxcollectionmessage.h>
+#include "OstTraceDefinitions.h"
+#ifdef OST_TRACE_COMPILER_IN_USE
+#include "cpixstateobserverTraces.h"
+#endif
+
+
+// -----------------------------------------------------------------------------
+// CPiXStateObserver::NewL()
+// -----------------------------------------------------------------------------
+//
+CPiXStateObserver* CPiXStateObserver::NewL( MCPiXStateObserver* aObserver, RFs* aFsSession )
+    {        
+    CPiXStateObserver* self = new ( ELeave ) CPiXStateObserver(aObserver);
+    CleanupStack::PushL( self );
+    self->ConstructL( aFsSession );
+    CleanupStack::Pop(self);
+    return self;
+    }
+
+
+CPiXStateObserver::CPiXStateObserver(MCPiXStateObserver* aObserver)
+            : iObserver(aObserver)                                
+                    
+    {
+    iPreviousState = KErrNotFound;
+    iMMCHarvesting = KErrNotFound;
+    iMPXHarvesting = KErrNotFound;    
+    }
+// -----------------------------------------------------------------------------
+// CPiXStateObserver::~CPiXStateObserver()
+// -----------------------------------------------------------------------------
+//
+CPiXStateObserver::~CPiXStateObserver()
+   {
+   iHarvesterClient.RemoveHarvesterEventObserver(*this);
+   iHarvesterClient.Close();
+   }
+
+// -----------------------------------------------------------------------------
+// CPiXStateObserver::ConstructL()
+// -----------------------------------------------------------------------------
+//
+void CPiXStateObserver::ConstructL( RFs* aFsSession )
+    {    
+    iFsSession = aFsSession;
+    }
+
+void CPiXStateObserver::StartMonitoringL()
+    {
+    TInt err(KErrNone);
+    err = iHarvesterClient.Connect();    
+    
+    if(err == KErrNone)
+        {
+        err = iHarvesterClient.AddHarvesterEventObserver( *this, EHEObserverTypeMMC, 1000 );        
+        }
+    iCollectionUtility = MMPXCollectionUtility::NewL( this );
+
+    }
+// -----------------------------------------------------------------------------
+// CPiXStateObserver::HarvestingUpdated()
+// -----------------------------------------------------------------------------
+//
+void CPiXStateObserver::HarvestingUpdated( HarvesterEventObserverType aHEObserverType, 
+             HarvesterEventState aHarvesterEventState, TInt aItemsLeft  )
+    {    
+    if(aHEObserverType == EHEObserverTypeMMC)
+        {
+        switch(aHarvesterEventState)
+            {
+            case EHEStateStarted:
+            case EHEStateHarvesting:            
+                {
+                iMMCHarvesting = ETrue;                
+                break;
+                }
+            case EHEStateFinished:
+            case EHEStateUninitialized:
+                {
+                iMMCHarvesting = EFalse;                
+                break;
+                }
+            default:
+                break;
+            }
+        OstTrace0( TRACE_FLOW, CPIXSTATEOBSERVER_HARVESTINGUPDATED, "CPiXStateObserver::HarvestingUpdated MMC Event" );        
+        NotifyObserverL();
+        }    
+    }
+
+void CPiXStateObserver::HandleCollectionMessage( CMPXMessage* aMessage, TInt aError )
+    {
+    if ( aError != KErrNone )
+        {
+        return;
+        }
+    
+    TMPXMessageId generalId( *aMessage->Value<TMPXMessageId>( KMPXMessageGeneralId ) );
+    
+    //we are interestead of only general system events
+    if ( generalId == KMPXMessageGeneral )
+        {
+        TInt event( *aMessage->Value<TInt>( KMPXMessageGeneralEvent ) );
+        TInt op( *aMessage->Value<TInt>( KMPXMessageGeneralType ) );
+        
+        if ( event == TMPXCollectionMessage::EBroadcastEvent )
+            {
+            switch( op )
+                {
+                //when MTP sync or music collection is started then pause processing
+                case EMcMsgRefreshStart:
+                case EMcMsgUSBMTPStart:
+                    {
+                    iMPXHarvesting = ETrue;
+                    break;
+                    }
+                //when MTP sync or music collection refresh is complete then resume processing
+                case EMcMsgRefreshEnd:
+                case EMcMsgUSBMTPEnd:
+                case EMcMsgUSBMTPNotActive:
+                    {
+                    iMPXHarvesting = EFalse;
+                    break;
+                    }
+                default:
+                    break;
+                }
+            OstTrace0( TRACE_FLOW, CPIXSTATEOBSERVER_HANDLECOLLECTIONMESSAGE, "CPiXStateObserver::HandleCollectionMessage MPX Event" );            
+            NotifyObserverL();
+            }        
+        }
+    }
+
+void CPiXStateObserver::HandleOpenL( const CMPXMedia& /*aEntries*/, TInt /*aIndex*/,
+                                               TBool /*aComplete*/, TInt /*aError*/ )
+     {
+     // not needed here
+     }
+
+void CPiXStateObserver::HandleOpenL( const CMPXCollectionPlaylist& /*aPlaylist*/, TInt /*aError*/ )
+   {
+   // not needed here
+   }
+
+void CPiXStateObserver::HandleCollectionMediaL( const CMPXMedia& /*aMedia*/,
+                                                       TInt /*aError*/ )
+    {
+    // not needed here
+    }
+
+TBool CPiXStateObserver::GetStatus()
+    {
+    TBool ret = EFalse;
+    if( iMMCHarvesting || iMPXHarvesting )
+        ret = ETrue;
+    return ret;        
+    }
+
+void CPiXStateObserver::NotifyObserverL()
+    {
+    TBool status = GetStatus();
+    if( iPreviousState != status )
+            {
+            iPreviousState = status; 
+            if (iObserver)
+                {
+                iObserver->HandleStateObserverChangeL(status);
+                OstTrace1( TRACE_FLOW, CPIXSTATEOBSERVER_NOTIFYOBSERVERL, "CPiXStateObserver::NotifyObserverL status=%d", status );
+                
+                }
+            }    
+    }