/*

* 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:  Send update duration event if needed when player state changes

*

*/

//  INCLUDE FILES

#include <logger.h>

#include "cmmadurationupdater.h"

CMMADurationUpdater* CMMADurationUpdater::NewL(CMMAPlayer& aPlayer)

{

    CMMADurationUpdater* self = new(ELeave) CMMADurationUpdater(aPlayer);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

}

CMMADurationUpdater::CMMADurationUpdater(CMMAPlayer& aPlayer)

        : iPlayer(aPlayer), iDuration(KErrNotFound), iSecondStart(EFalse)

{

}

void CMMADurationUpdater::ConstructL()

{

    iPlayer.AddStateListenerL(this);

}

CMMADurationUpdater::~CMMADurationUpdater()

{

    iPlayer.RemoveStateListener(this);

}

void CMMADurationUpdater::StateChanged(TInt aState)

{

    TInt64 duration = 0;

    iPlayer.GetDuration(&duration);

    if ((duration >= KErrNotFound) && (duration != iDuration))

    {

        // Send DURATION_UPDATED

        iDuration = duration;

        iPlayer.PostLongEvent(CMMAPlayerEvent::EDurationUpdated, iDuration);

    }

    else if (duration == KErrNotFound && aState == CMMAPlayer::EStarted && !iSecondStart)

    {

        // for medias whose duration is unknown (e.g. streaming audio amr)

        // must post EDurationUpdated event with duration -1 in first start

        iPlayer.PostLongEvent(CMMAPlayerEvent::EDurationUpdated, iDuration);

        iSecondStart = ETrue;

    }

    if (aState == CMMAPlayer::ERealized)

    {

        iSecondStart = EFalse;

    }

}

//  END OF FILE