/*

* 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: Handles marker timer implementation 

*

*/

#ifndef CPOSITIONUPDATETIMER_H

#define CPOSITIONUPDATETIMER_H

#include <e32base.h>

#include "openmaxalwrapper.h"

class CMdaAudioPlayerUtility;

class CVideoPlayerUtility2;

NONSHARABLE_CLASS(CPositionUpdateTimer) : public CActive

    {

public:

    // Construct/destruct

    static CPositionUpdateTimer* NewL(CMdaAudioPlayerUtility* aAudioPlayer,

                            CVideoPlayerUtility2* aVideoPlayer);

    ~CPositionUpdateTimer();

public:

    void SetContext(TAny* aCtx);

    void SetPositionUpdatePeriod(XAmillisecond aPos);

    void SetCallbackEventMask(XAuint32 aMask);

    void RegisterCallback(xaPlayCallback aCallback);

    void UseAudioPlayer();

    void UseVideoPlayer();

    void ResetPlayer();

    TInt Start();

    void Stop();

protected:

    // From CActive

    void RunL();

    void DoCancel();

    TInt RunError(TInt aError);

private:

    CPositionUpdateTimer(CMdaAudioPlayerUtility* aAudioPlayer,

            CVideoPlayerUtility2* aVideoPlayer);

    void CostructL();

    TInt GetCurrentPlayPosition(TTimeIntervalMicroSeconds& aPos);

private:

    RTimer iTimer;      // Has

    TAny* iCtx;

    CMdaAudioPlayerUtility* iAudioPlayer;

    CVideoPlayerUtility2* iVideoPlayer;

    CBase* iPlayerToUse;

    XAmillisecond iPositionUpdatePeriod;

    XAuint32 iCallbackEventMask;

    xaPlayCallback iCallback;

    TTimeIntervalMicroSeconds32 iDelay;

	TBool iSyncToPlayHead;

	TTimeIntervalMicroSeconds iSyncToPlayHeadStartPos;

    };

#endif /* CPOSITIONUPDATETIMER_H */