/*

* Copyright (c) 2006-2007 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:  Publish / Subscriber class for ChannelName and MetaData

*

*/

#include "irsonghistoryengpubsub.h"

#include "irsonghistoryengpubsubnotifyhandler.h"

#include "irdebug.h"

// ==================== MEMBER FUNCTIONS ===================

// ---------------------------------------------------------------------------

// CIRSongHistoryEngPubSub::CIRSongHistoryEngPubSub

// Constructor.

// ---------------------------------------------------------------------------

//

CIRSongHistoryEngPubSub::CIRSongHistoryEngPubSub(

	MIRSongHistoryEngPubSubNotifyHandler& aPubSubObserver, const TUid& aCategory,

	TUint aKey , const RProperty::TType aPropertyType): CActive( CActive::

	EPriorityStandard ),  iPropertyType(aPropertyType),iPubSubObserver( aPubSubObserver ),

	iCategory( aCategory ), iKey( aKey )

    {

    }

// ---------------------------------------------------------------------------

// CIRSongHistoryEngPubSub::ConstructL

// Second-phase constructor

// ---------------------------------------------------------------------------

//

void CIRSongHistoryEngPubSub::ConstructL()

    {

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::ConstructL" );

    User::LeaveIfError( iProperty.Attach( iCategory, iKey ) );

    CActiveScheduler::Add( this );

    iProperty.Subscribe( iStatus );

    SetActive();

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::ConstructL - Exiting." );

    }

//-----------------------------------------------------------------------------

//  CIRHistoryListContainer::NewL

//  Creates a new instance of CIRSongHistoryEngPubSub

//-----------------------------------------------------------------------------

//

CIRSongHistoryEngPubSub* CIRSongHistoryEngPubSub::NewL(

	MIRSongHistoryEngPubSubNotifyHandler& aPubSubObserver, const TUid& aCategory,

	TUint aKey, const RProperty::TType aPropertyType  )

    {

	IRLOG_DEBUG( "CIRSongHistoryEngPubSub::NewL - Entering" );

    CIRSongHistoryEngPubSub* self = CIRSongHistoryEngPubSub::NewLC(aPubSubObserver,

    					 aCategory,aKey, aPropertyType  );

    CleanupStack::Pop(self);

	IRLOG_DEBUG( "CIRSongHistoryEngPubSub::NewL - Exiting." );

    return self;

    }

//-----------------------------------------------------------------------------

//  CIRHistoryListContainer::NewLC

//  Creates a new instance of CIRSongHistoryEngPubSub and leaves it on the cleanup stack.

//-----------------------------------------------------------------------------

//

CIRSongHistoryEngPubSub* CIRSongHistoryEngPubSub::NewLC(

	MIRSongHistoryEngPubSubNotifyHandler& aPubSubObserver, const TUid& aCategory,

	TUint aKey, const RProperty::TType aPropertyType  )

    {

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::NewLC - Entering" );

    CIRSongHistoryEngPubSub* self = new (ELeave) CIRSongHistoryEngPubSub(

    							aPubSubObserver, aCategory, aKey, aPropertyType);

    CleanupStack::PushL(self);

    self->ConstructL();

	IRLOG_DEBUG( "CIRSongHistoryEngPubSub::NewLC - Exiting." );

    return self;

    }

// ---------------------------------------------------------------------------

// CIRSongHistoryEngPubSub::~CIRSongHistoryEngPubSub()

// Destructor

// ---------------------------------------------------------------------------

//

CIRSongHistoryEngPubSub::~CIRSongHistoryEngPubSub()

    {

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::~CIRSongHistoryEngPubSub" );

    Cancel();

    iProperty.Close();

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::~CIRSongHistoryEngPubSub - Exiting." );

    }

// ---------------------------------------------------------------------------

// CIRSongHistoryEngPubSub::DoCancel()

// Invoked when the active object is cancelled.

// ---------------------------------------------------------------------------

//

void CIRSongHistoryEngPubSub::DoCancel()

    {

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::DoCancel" );

    iProperty.Cancel();

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::DoCancel - Exiting." );

    }

// ---------------------------------------------------------------------------

// CIRSongHistoryEngPubSub::RunL()

// The function is called by the active scheduler when a request completion event occurs,

// ---------------------------------------------------------------------------

//

void CIRSongHistoryEngPubSub::RunL()

    {

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::RunL" );

    iProperty.Subscribe( iStatus );

    SetActive();

    TInt err(KErrNone);

	err = iProperty.Get( iText );

	if (!err)

		{

			iPubSubObserver.HandlePropertyChangeL( iCategory, iKey, iText );

		}

    else

    	{

        	iPubSubObserver.HandlePropertyChangeErrorL(iCategory, iKey, err);

    	}

    IRLOG_DEBUG( "CIRSongHistoryEngPubSub::RunL - Exiting." );

    }