diff -r ed94e1e8390e -r 3cd404d31176 mpengine/src/mpmpxembeddedplaybackhelper.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpengine/src/mpmpxembeddedplaybackhelper.cpp	Mon Oct 04 00:14:19 2010 +0300
@@ -0,0 +1,205 @@
+/*
+* Copyright (c) 2009 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: Embedded playback helper.
+*
+*/
+
+#include <mpxplaybackutility.h>
+#include <mpxcollectionutility.h>
+#include <mpxcollectionmessage.h>
+#include <mpxmessagegeneraldefs.h>
+#include <mpxcollectionplugin.hrh>
+#include <mpxcollectionplaylist.h>
+#include <mpxcollectionuihelper.h>
+#include <mpxcollectionhelperfactory.h>
+
+#include "mpmpxembeddedplaybackhelper.h"
+#include "mptrace.h"
+
+
+/*!
+    \class CMpMpxEmbeddedPlaybackHelper
+    \brief Helper class to play isolated media, 
+
+    This class is used by mpmpxplaybackframeworkwrapper_p to play isolated content specified by an uri,
+    when MusicPlayer is launched in embedded mode.
+*/
+
+/*!
+ \internal
+ Two-phased constructor.
+ */
+CMpMpxEmbeddedPlaybackHelper* CMpMpxEmbeddedPlaybackHelper::NewL( 
+    TUid aHostUid,
+    MMPXPlaybackUtility* aPlaybackUtility,
+    MMpMpxEmbeddedPlaybackHelperObserver* aObserver )
+{
+    CMpMpxEmbeddedPlaybackHelper* self =
+            new ( ELeave ) CMpMpxEmbeddedPlaybackHelper( aHostUid, aPlaybackUtility, aObserver );
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    return self;
+}
+
+/*!
+ \internal
+ Destructor
+ */
+CMpMpxEmbeddedPlaybackHelper::~CMpMpxEmbeddedPlaybackHelper()
+{
+    TX_ENTRY
+    if ( iCollectionUtility ) {
+        iCollectionUtility->Collection().CancelRequest();
+        iCollectionUtility->Close();
+    }
+    if ( iCollectionUiHelper ) {
+        iCollectionUiHelper->Close();
+    }
+    TX_EXIT
+}
+
+/*!
+ \internal
+  */
+void CMpMpxEmbeddedPlaybackHelper::playL( const TDesC& aFilename )
+{
+    TX_LOG
+    iCollectionUiHelper->OpenL( iHostUid, aFilename, this, EMPXCollectionPluginMusic );
+}
+
+/*!
+ \internal
+ */
+void CMpMpxEmbeddedPlaybackHelper::HandleOpenL( 
+    const CMPXMedia& aEntries,
+    TInt aIndex,
+    TBool aComplete,
+    TInt aError )
+{
+    Q_UNUSED( aEntries );
+    Q_UNUSED( aIndex );
+    Q_UNUSED( aComplete );
+    Q_UNUSED( aError );
+}
+
+/*!
+ \internal
+ */
+void CMpMpxEmbeddedPlaybackHelper::HandleOpenL( 
+    const CMPXCollectionPlaylist& aPlaylist,
+    TInt aError )
+{
+    TX_ENTRY_ARGS( "aError=" << aError );
+    if ( aError == KErrNone ) {
+        iPlaybackUtility->InitL( aPlaylist, ETrue );
+    }
+    else {
+        iObserver->HandleEmbeddedPlaybackError( aError );
+    }
+    TX_EXIT
+}
+
+/*!
+ \internal
+ */
+void CMpMpxEmbeddedPlaybackHelper::HandleCollectionMessage( 
+    CMPXMessage* aMsg,
+    TInt aErr )
+{
+    TX_ENTRY_ARGS( "aErr=" << aErr );
+    TInt error = aErr;
+    if ( error == KErrNone && aMsg ) {
+        TRAP( error, DoHandleCollectionMessageL( *aMsg ) );
+    }
+
+    if ( error != KErrNone ) {
+        iObserver->HandleEmbeddedPlaybackError( error );
+    }
+    TX_EXIT
+}
+
+/*!
+ \internal
+ */
+void CMpMpxEmbeddedPlaybackHelper::HandleCollectionMediaL( 
+    const CMPXMedia& aMedia,
+    TInt aError )
+{
+    Q_UNUSED( aMedia );
+    Q_UNUSED( aError );
+}
+
+/*!
+ \internal
+ */
+void CMpMpxEmbeddedPlaybackHelper::HandleEmbeddedOpenL( 
+    TInt aErr,
+    TMPXGeneralCategory aCategory )
+{
+    TX_ENTRY_ARGS( "aErr=" << aErr );
+    Q_UNUSED( aCategory );
+    if ( aErr != KErrNone ) {
+        iObserver->HandleEmbeddedPlaybackError( aErr );
+    }
+}
+
+/*!
+ \internal
+ c++ Contructor
+ */
+CMpMpxEmbeddedPlaybackHelper::CMpMpxEmbeddedPlaybackHelper(
+        TUid aHostUid,
+        MMPXPlaybackUtility* aPlaybackUtility,
+        MMpMpxEmbeddedPlaybackHelperObserver* aObserver )
+    : iPlaybackUtility( aPlaybackUtility ),
+      iObserver( aObserver ),
+      iHostUid( aHostUid )
+{
+}
+
+/*!
+ \internal
+ Leaving constructor
+ */
+void CMpMpxEmbeddedPlaybackHelper::ConstructL()
+{
+    iCollectionUtility = MMPXCollectionUtility::NewL( this, iHostUid );
+    iCollectionUiHelper = CMPXCollectionHelperFactory::NewCollectionUiHelperL( iHostUid );
+}
+
+/*!
+ \internal
+ */
+void CMpMpxEmbeddedPlaybackHelper::DoHandleCollectionMessageL( 
+    const CMPXMessage& aMsg )
+{
+    TX_ENTRY
+    TMPXMessageId id( aMsg.ValueTObjectL<TMPXMessageId>( KMPXMessageGeneralId ) );
+    if ( KMPXMessageGeneral == id ) {
+        TInt event( aMsg.ValueTObjectL<TInt>( KMPXMessageGeneralEvent ) );
+        TInt type( aMsg.ValueTObjectL<TInt>( KMPXMessageGeneralType ) );
+        TInt data( aMsg.ValueTObjectL<TInt>( KMPXMessageGeneralData ) );
+        TX_LOG_ARGS( "event=" << event << ", type=" << type << ", data=" << data );
+
+         if ( event == TMPXCollectionMessage::EPathChanged &&
+              type == EMcPathChangedByOpen &&
+              data == EMcItemOpened ) {
+            // This will result in HandleOpenL with CMPXCollectionPlaylist
+            iCollectionUtility->Collection().OpenL();
+        }
+    }
+    TX_EXIT
+}
+