/*

* 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:

*

*/

#include <cxesoundplayersymbian.h>

#include <AudioPreference.h>

#include "cxutils.h"

#include "cxecameradevicecontrolsymbian.h"

#include "cxestate.h"

const TUint KCxeAudioPriority = KAudioPriorityCameraTone;

//const TUint KCxeAudioPriority = KAudioPriorityVideoRecording;

_LIT(KCxeCaptureSound,    "z:\\system\\sounds\\digital\\capture.wav");

_LIT(KCxeVideoStartSound, "z:\\system\\sounds\\digital\\videoStart.wav");

_LIT(KCxeVideoStopSound,  "z:\\system\\sounds\\digital\\videoStop.wav");

_LIT(KCxeAutoFocusSound,  "z:\\system\\sounds\\digital\\autoFocus.wav");

CxeSoundPlayerSymbian::CxeSoundPlayerSymbian(CaptureSound soundId) :

    CxeStateMachine("CxeSoundPlayerSymbian"),

    mAudioPlayer(NULL),

    mSoundId(soundId)

{

    CX_DEBUG_ENTER_FUNCTION();

    qRegisterMetaType<CxeSoundPlayerSymbian::State>();

    initializeStates();

    doOpen();

    CX_DEBUG_EXIT_FUNCTION();

}

CxeSoundPlayerSymbian::~CxeSoundPlayerSymbian()

{

    CX_DEBUG_ENTER_FUNCTION();

    delete mAudioPlayer;

    CX_DEBUG_EXIT_FUNCTION();

}

void CxeSoundPlayerSymbian::play()

{

    CX_DEBUG_ENTER_FUNCTION();

    CX_DEBUG(("CxeSoundPlayerSymbian::play mSoundId: %d, state: %d", mSoundId, state()));

    // Only play the capture sound if CMdaAudioPlayerUtility is initialised

    if (state() == Ready) {

        //! @todo: Define & implement what to do, when sound is already playing.

        // Important for sequence mode.

        setState(Playing);

        mAudioPlayer->Play();

    } else if( state() == NotReady ) {

        // Here sound loading has failed.

        // Emit signal with error code.

        emit playComplete(KErrNotReady);

    } 

    CX_DEBUG_EXIT_FUNCTION();

}

void CxeSoundPlayerSymbian::MapcInitComplete(TInt aStatus, const TTimeIntervalMicroSeconds &/*aDuration*/)

{

    CX_DEBUG_IN_FUNCTION();

    CX_DEBUG(("MapcInitComplete aStatus: %d", aStatus));

    if (aStatus) {

        setState(NotReady);

    } else {

        setState(Ready);

    }

}

void CxeSoundPlayerSymbian::MapcPlayComplete(TInt aStatus)

{

    CX_DEBUG_IN_FUNCTION();

    CX_DEBUG(("MapcPlayComplete aStatus: %d", aStatus));

    if (aStatus != KErrNone && aStatus != KErrInUse) {

        // An error occurred. Close and reopen sound player to be sure.

        mAudioPlayer->Close();

        setState(NotReady);

        doOpen();

    } else {

        setState(Ready);

    }

    emit playComplete(aStatus);

}

void CxeSoundPlayerSymbian::doOpen()

{

    CX_DEBUG(("Calling OpenFileL for sound %d", mSoundId));

    TInt error = KErrNone;

    const TDesC* filename = 0;

    switch (mSoundId) {

    case StillCapture:

        filename = &KCxeCaptureSound;

        break;

    case VideoCaptureStart:

        filename = &KCxeVideoStartSound;

        break;

    case VideoCaptureStop:

        filename = &KCxeVideoStopSound;

        break;

    case  AutoFocus:

        filename = &KCxeAutoFocusSound;

        break;

    default:

        // sound is not known

        mSoundId = Unknown;

        break;

    }

    if (filename) {

        if (mAudioPlayer) {

            delete mAudioPlayer;

            mAudioPlayer = 0;

        }

        TRAP( error, mAudioPlayer =

                      CMdaAudioPlayerUtility::NewFilePlayerL(*filename, *this, KCxeAudioPriority,

                                                        TMdaPriorityPreference(KAudioPrefCamera)) );

        if (!error) {

            setState(Opening);

        } else {

            setState(NotReady);

        }

    } else {

        setState(NotReady);

    }

}

void CxeSoundPlayerSymbian::handleStateChanged(int /*newStateId*/, CxeError::Id /*error*/)

{

    // No implementation needed, because state is not visible outside of this class

}

CxeSoundPlayerSymbian::State CxeSoundPlayerSymbian::state() const

{

    return static_cast<State>(stateId());

}

void CxeSoundPlayerSymbian::initializeStates()

{

    // addState(id, name, allowed next states)

    addState(new CxeState(NotReady, "NotReady", Opening));

    addState(new CxeState(Opening, "Opening", NotReady | Ready));

    addState(new CxeState(Ready, "Ready", Playing | Opening | NotReady));

    addState(new CxeState(Playing, "Playing", Ready | Opening | NotReady));

    setInitialState(NotReady);

}