/*

* Copyright (c) 2002 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:  This class is used for MIDI.

*

*/

//  INCLUDE FILES

#include <jdebug.h>

#include <e32base.h>

#include <AudioPreference.h>

#include "cmmadrmaudioplayer.h"

#include "mmmadisplay.h"

const TInt KErrorMessageSize = 32;

const TInt64 KDurationUnknown = -1;

const TInt KMediaStartTime = 0;

const TInt KMediaTimeDurationTreshold = 100000;

_LIT(KErrDefaultError, "Symbian OS Error: %d");

CMMADRMAudioPlayer* CMMADRMAudioPlayer::NewLC(const TDesC& aContentType,

        TFileName aFileName)

{

    CMMADRMAudioPlayer* self = new(ELeave) CMMADRMAudioPlayer(aFileName);

    CleanupStack::PushL(self);

    self->ConstructL(aContentType);

    return self;

}

CMMADRMAudioPlayer::~CMMADRMAudioPlayer()

{

    CloseClientUtility();

    delete iUtility;

    DEBUG("MMA::CMMADRMAudioPlayer::~CMMADRMAudioPlayer ");

}

void CMMADRMAudioPlayer::ConstructL(const TDesC& aContentType)

{

    DEBUG("CMMADRMAudioPlayer::ConstructL");

    // Only file based sources are supported with DRM

    if (iFileName == KNullDesC)

    {

        User::Leave(KErrNotSupported);

    }

    iContentType = aContentType.AllocL();

    iUtility = CDrmPlayerUtility::NewL(*this, KAudioPriorityRealOnePlayer,

                                       (TMdaPriorityPreference) KAudioPrefRealOneLocalPlayback);

    CMMAPlayer::ConstructL();

}

CMMADRMAudioPlayer::CMMADRMAudioPlayer(TFileName aFileName):

        CMMAPlayer(),

        iFileName(aFileName)

{

}

CDrmPlayerUtility* CMMADRMAudioPlayer::DRMUtility() const

{

    return iUtility;

}

void CMMADRMAudioPlayer::RealizeL()

{

    DEBUG("CMMADRMAudioPlayer::RealizeL");

    CMMAPlayer::RealizeL();

}

void CMMADRMAudioPlayer::PrefetchL()

{

    DEBUG("CMMADRMAudioPlayer::PrefetchL");

    // Prefetch will be completed in init callback

    iUtility->OpenFileL(iFileName);

}

void CMMADRMAudioPlayer::DeallocateL()

{

    DEBUG("MMA: CMMAMidiPlayer: DeallocateL +");

    if (iState == EPrefetched)

    {

        CloseClientUtility();

        ChangeState(ERealized);

    }

    DEBUG("MMA: CMMAMidiPlayer: DeallocateL -");

}

void CMMADRMAudioPlayer::StartL()

{

    // start can't be called to not ready player

    ASSERT(iState == EPrefetched);

    TInt64 time = TInt64(KMediaStartTime);

    // Media time is not fetched using GetMediaTime

    // Because it adjusts the result if it is close

    // to duration.

    TTimeIntervalMicroSeconds position(KMediaStartTime);

    User::LeaveIfError(iUtility->GetPosition(position));

    time = position.Int64();

    TInt64 duration;

    GetDuration(&duration);

    if ((duration > 0) && (time > duration - KMediaTimeDurationTreshold))

    {

        time = KMediaStartTime;

        iUtility->SetPosition(time);

    }

    iUtility->Play();

    // inform java side

    PostActionCompleted(KErrNone);   // java start return

    PostLongEvent(CMMAPlayerEvent::EStarted, time);

    ChangeState(EStarted);

}

void CMMADRMAudioPlayer::StopL(TBool aPostEvent)

{

    if (iState == EStarted)

    {

        User::LeaveIfError(iUtility->Pause());

        if (aPostEvent)

        {

            TInt64 time;

            GetMediaTime(&time);

            PostLongEvent(CMMAPlayerEvent::EStopped, time);

        }

        // go back to prefetched state

        ChangeState(EPrefetched);

    }

}

void CMMADRMAudioPlayer::GetDuration(TInt64* aDuration)

{

    if (iState < EPrefetched)

    {

        *aDuration = KDurationUnknown;

    }

    else

    {

        *aDuration = iUtility->Duration().Int64();

    }

}

void CMMADRMAudioPlayer::SetMediaTimeL(TInt64* aTime)

{

    DEBUG_INT("MMA::CMMADRMAudioPlayer::SetMediaTimeL + aTime: %d", *aTime);

    // Duration is needed so we do not try to set media time

    // too far away. If duration is not known, setting media time

    // is not allowed.

    TInt64 duration = TInt64(KMediaStartTime);

    GetDuration(&duration);

    if (duration < KErrNone)

    {

        // If duration is not known, we will leave with suitable code.

        User::Leave(KErrNotSupported);

    }

    // Check if desired media time is past media duration and

    // set it to duration in that case. Negative values are not

    // checked here because it's done already in Java side.

    // If media time is attempted to set to duration, then

    // it is set close to duration. This way

    // when utility is then started, end of media event

    // will come soon after. This is not indicated to Java

    // side but instead returned that the media time was

    // set to duration.

    TTimeIntervalMicroSeconds position;

    if (*aTime >= duration)

    {

        *aTime = duration;

        position = duration - KMediaTimeDurationTreshold;

    }

    else

    {

        position = *aTime;

    }

    iUtility->SetPosition(position);

    // Inform about the position change to the StateListeners

    ChangeState(iState);

    // Get the actual media time

    GetMediaTime(aTime);

}

void CMMADRMAudioPlayer::GetMediaTime(TInt64* aMediaTime)

{

    DEBUG_INT("MMA::CMMADRMAudioPlayer::GetMediaTime + aMediaTime: %d", *aMediaTime);

    TTimeIntervalMicroSeconds position;

    TInt64 duration = TInt64(KMediaStartTime);

    // Error code discarded on purpose

    GetDuration(&duration);

    TInt error(iUtility->GetPosition(position));

    if (error == KErrNone)

    {

        // set return value

        *aMediaTime = position.Int64();

        //if duration is unknown and position 0, player is realized and

        //we can not know media time

        if ((duration == KDurationUnknown) && (position == 0))

        {

            *aMediaTime = KTimeUnknown;

        }

    }

    else

    {

        // media time cannot be get

        *aMediaTime = KTimeUnknown;

    }

    // Second part of the set media time workaround.

    // If position is close to duration, then media

    // time of duration is returned instead.

    // If the duration is zero or not known

    // then this adjustment is not done.

    if ((duration > KErrNone) &&

            (*aMediaTime >= duration - KMediaTimeDurationTreshold))

    {

        *aMediaTime = duration;

    }

    DEBUG_INT("MMA::CMMADRMAudioPlayer::GetMediaTime - aMediaTime: %d", *aMediaTime);

}

void CMMADRMAudioPlayer::CloseL()

{

    CMMAPlayer::CloseL();

    CloseClientUtility();

}

const TDesC& CMMADRMAudioPlayer::Type()

{

    return KMMADRMPlayer;

}

void CMMADRMAudioPlayer::PlayCompleteL(TInt aError)

{

    DEBUG_INT("MMA: CMMADRMAudioPlayer: PlayCompleteL: Error=%d", aError);

    TInt64 time;

    GetDuration(&time);

    // Send 'Stopped' only when stop() is called.

    PostLongEvent(CMMAPlayerEvent::EEndOfMedia, time);

    ChangeState(EPrefetched);   // ready to play again

    if (aError == KErrNone)

    {

        iRepeatCount++;

        if (iRepeatForever || iRepeatCount < iRepeatNumberOfTimes)

        {

            StartL();

        }

        else

        {

            iRepeatCount = 0;

            TTimeIntervalMicroSeconds position(time);

            iUtility->SetPosition(position);

        }

    }

    else

    {

        // error has occured, setting correct number of

        // repeats for next start

        SetLoopCount(iRepeatNumberOfTimes);

    }

    DEBUG("MMA: CMMADRMAudioPlayer: PlayCompleteL -");

}

void CMMADRMAudioPlayer::MdapcInitComplete(TInt aError, const TTimeIntervalMicroSeconds& /*aDuration*/)

{

    DEBUG_INT("MMA::CMMADRMAudioPlayer::MdapcInitComplete: aError = %d", aError);

    if (!aError)

    {

        ChangeState(EPrefetched);

    }

    PostActionCompleted(aError);

}

void CMMADRMAudioPlayer::MdapcPlayComplete(TInt aError)

{

    if (aError)

    {

        ErrorPlaybackComplete(aError);

    }

    else

    {

        TRAPD(error, PlayCompleteL(KErrNone));

        if (error)

        {

            ErrorPlaybackComplete(error);

        }

    }

}

void CMMADRMAudioPlayer::CloseClientUtility()

{

    DEBUG("MMA: CMMADRMAudioPlayer: CloseClientUtility +");

    if (iUtility)

    {

        iUtility->Close();

    }

    DEBUG("MMA: CMMADRMAudioPlayer: CloseClientUtility -");

}

void CMMADRMAudioPlayer::ErrorPlaybackComplete(TInt aError)

{

    DEBUG_INT("MMA::CMMADRMAudioPlayer::ErrorPlaybackComplete: aError = %d", aError);

    TBuf<KErrorMessageSize> errorMessage;

    errorMessage.Format(KErrDefaultError, aError);

    PostStringEvent(CMMAPlayerEvent::EError, errorMessage);

    CloseClientUtility();

    ChangeState(ERealized);

}

//  END OF FILE