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#include "s60radiotunercontrol_31.h"

#include "s60radiotunerservice.h"

#include <QtCore/qdebug.h>

#include <QFile>

// from AudioPreference.h

const TInt KAudioPriorityFMRadio = 79;

const TUint KAudioPrefRadioAudioEvent = 0x03000001;

S60RadioTunerControl::S60RadioTunerControl(QObject *parent)

    : QRadioTunerControl(parent)

    , m_error(0)

    , m_tunerState(0)

    , m_apiTunerState(QRadioTuner::StoppedState)

    , m_audioInitializationComplete(false)

    , m_radioError(QRadioTuner::NoError)

    , m_muted(false)

    , m_isStereo(true)

    , m_stereoMode(QRadioTuner::Auto)

    , m_signal(0)

    , m_currentBand(QRadioTuner::FM)

    , m_currentFreq(87500000)

    , m_scanning(false)

    , m_vol(100)

{

    initRadio();   

}

S60RadioTunerControl::~S60RadioTunerControl()

{

	if (m_tunerUtility) {

	    m_tunerUtility->Close();

		m_tunerUtility->CancelNotifyChange();

		m_tunerUtility->CancelNotifySignalStrength();

		m_tunerUtility->CancelNotifyStereoChange();

		delete m_tunerUtility;

	}

	if (m_audioPlayerUtility) {

		m_audioPlayerUtility = NULL;

	}

}

bool S60RadioTunerControl::initRadio()

{

	m_available = false;

	TRAPD(tunerError, m_tunerUtility = CMMTunerUtility::NewL(*this, CMMTunerUtility::ETunerBandFm, 1, 

												CMMTunerUtility::ETunerAccessPriorityNormal));

	if (tunerError != KErrNone) {

        m_radioError = QRadioTuner::OpenError;

        return m_available;

    }

	TRAPD(playerError, m_audioPlayerUtility = m_tunerUtility->TunerPlayerUtilityL(*this));

	if (playerError != KErrNone) {

		m_radioError = QRadioTuner::OpenError;

		return m_available;

	}

	TRAPD(initializeError, m_audioPlayerUtility->InitializeL(KAudioPriorityFMRadio, 

												TMdaPriorityPreference(KAudioPrefRadioAudioEvent)));

	if (initializeError != KErrNone) {

		m_radioError = QRadioTuner::OpenError;

		return m_available;

	}

	m_tunerUtility->NotifyChange(*this);

	m_tunerUtility->NotifyStereoChange(*this);

	m_tunerUtility->NotifySignalStrength(*this);

	setVolume(m_audioPlayerUtility->MaxVolume()/2);

	TFrequency freq(m_currentFreq);

	m_tunerUtility->Tune(freq);

	m_available = true;

    return m_available;

}

void S60RadioTunerControl::start()

{

	if (!m_audioInitializationComplete) {

		TFrequency freq(m_currentFreq);

		m_tunerUtility->Tune(freq);

	} else {

		m_audioPlayerUtility->Play();

	}

	m_apiTunerState = QRadioTuner::ActiveState;

	emit stateChanged(m_apiTunerState);

}

void S60RadioTunerControl::stop()

{

    if (m_audioPlayerUtility) {

		m_audioPlayerUtility->Stop();

		m_apiTunerState = QRadioTuner::StoppedState;

		emit stateChanged(m_apiTunerState);

    }		

}

QRadioTuner::State S60RadioTunerControl::state() const

{

    return m_apiTunerState;

}

QRadioTuner::Band S60RadioTunerControl::band() const

{

    return m_currentBand;

}

bool S60RadioTunerControl::isBandSupported(QRadioTuner::Band b) const

{

	if(b == QRadioTuner::FM)

		return true;

	else if(b == QRadioTuner::LW)

		return false;

	else if(b == QRadioTuner::AM)

		return true;

	else if(b == QRadioTuner::SW)

		return false;

	else

		return false;

}

void S60RadioTunerControl::setBand(QRadioTuner::Band b)

{

    QRadioTuner::Band tempBand = b; 

    if (tempBand != m_currentBand) {

        m_currentBand = b;        

        emit bandChanged(m_currentBand);

    }

}

int S60RadioTunerControl::frequency() const

{

    return m_currentFreq;

}

void S60RadioTunerControl::setFrequency(int frequency)

{

    m_currentFreq = frequency;

    TFrequency freq(m_currentFreq);

    m_tunerUtility->Tune(freq);

}

int S60RadioTunerControl::frequencyStep(QRadioTuner::Band b) const

{

    int step = 0;

    if(b == QRadioTuner::FM)

        step = 100000; // 100kHz steps

    else if(b == QRadioTuner::LW)

        step = 1000; // 1kHz steps

    else if(b == QRadioTuner::AM)

        step = 1000; // 1kHz steps

    else if(b == QRadioTuner::SW)

        step = 500; // 500Hz steps

    return step;

}

QPair<int,int> S60RadioTunerControl::frequencyRange(QRadioTuner::Band band) const

{

	TFrequency bottomFreq;

	TFrequency topFreq;

	int bandError = KErrNone;

	if (m_tunerUtility){

		bandError = m_tunerUtility->GetFrequencyBandRange(bottomFreq, topFreq);	   

		if (!bandError) {

			return qMakePair<int,int>(bottomFreq.iFrequency, topFreq.iFrequency);

		}

	}  

   return qMakePair<int,int>(0,0);

}

CMMTunerUtility::TTunerBand S60RadioTunerControl::getNativeBand(QRadioTuner::Band b) const

{

    // api match to native s60 bands    

    if (b == QRadioTuner::AM)

        return CMMTunerUtility::ETunerBandAm;

    else if (b == QRadioTuner::FM)

        return CMMTunerUtility::ETunerBandFm;

    else if (b == QRadioTuner::LW)

        return CMMTunerUtility::ETunerBandLw;

    else

        return CMMTunerUtility::ETunerNoBand;

}

bool S60RadioTunerControl::isStereo() const

{

    return m_isStereo;

}

QRadioTuner::StereoMode S60RadioTunerControl::stereoMode() const

{

    return m_stereoMode;

}

void S60RadioTunerControl::setStereoMode(QRadioTuner::StereoMode mode)

{

	m_stereoMode = mode;

	if (m_tunerUtility) {	    

	    if (QRadioTuner::ForceMono == mode)

	        m_tunerUtility->ForceMonoReception(true);

	    else 

	        m_tunerUtility->ForceMonoReception(false);

	}	

}

int S60RadioTunerControl::signalStrength() const

{

    // return value is a percentage value

    if (m_tunerUtility) {       

        TInt maxSignalStrength;

        TInt currentSignalStrength;

        m_error = m_tunerUtility->GetMaxSignalStrength(maxSignalStrength);       

        if (m_error == KErrNone) {

            m_error = m_tunerUtility->GetSignalStrength(currentSignalStrength);

            if (m_error == KErrNone) {

				if (maxSignalStrength == 0 || currentSignalStrength == 0) {

					return 0;

				}

				m_signal = (currentSignalStrength/maxSignalStrength)*100; 

            }           

        }

    }

    return m_signal;

}

int S60RadioTunerControl::volume() const

{

    return m_vol;

}

void S60RadioTunerControl::setVolume(int volume)

{

    if (m_audioPlayerUtility) {

		m_vol = volume;

		TInt error = m_audioPlayerUtility->SetVolume(m_vol);

		emit volumeChanged(m_vol);

    }

}

bool S60RadioTunerControl::isMuted() const

{

    return m_muted;

}

void S60RadioTunerControl::setMuted(bool muted)

{

    if (m_audioPlayerUtility && m_audioInitializationComplete) {

        m_muted = muted;

        m_audioPlayerUtility->Mute(m_muted);

        emit mutedChanged(m_muted);           

    }

}

bool S60RadioTunerControl::isSearching() const

{

    if (m_tunerUtility) {

    	TUint32 tempState;

    	m_tunerUtility->GetState(tempState);

    	if (tempState == CMMTunerUtility::ETunerStateRetuning || m_scanning) {

			return true;

    	} else

    		return false;

    }

    return true;

}

void S60RadioTunerControl::cancelSearch()

{

	m_tunerUtility->CancelRetune();

	m_scanning = false;

	emit searchingChanged(false);

}

void S60RadioTunerControl::searchForward()

{

	m_scanning = true;

	setVolume(m_vol);

	m_tunerUtility->StationSeek(CMMTunerUtility::ESearchDirectionUp);

	emit searchingChanged(true);

}

void S60RadioTunerControl::searchBackward()

{

	m_scanning = true;

	setVolume(m_vol);

	m_tunerUtility->StationSeek(CMMTunerUtility::ESearchDirectionDown);

	emit searchingChanged(true);

}

bool S60RadioTunerControl::isValid() const

{

    return m_available;

}

bool S60RadioTunerControl::isAvailable() const

{

    return m_available;

}

QtMedia::AvailabilityError S60RadioTunerControl::availabilityError() const

{

    if (m_available)

        return QtMedia::NoError;

    else

        return QtMedia::ResourceError;

}

QRadioTuner::Error S60RadioTunerControl::error() const

{

    return m_radioError;

}

QString S60RadioTunerControl::errorString() const

{

	return m_errorString;

}

void S60RadioTunerControl::MToTuneComplete(TInt aError)

{

	if (aError == KErrNone) {

		m_scanning = false;

		m_audioPlayerUtility->Play();

		if (!m_audioInitializationComplete) {

		TRAPD(initializeError, m_audioPlayerUtility->InitializeL(KAudioPriorityFMRadio, 

                                                        TMdaPriorityPreference(KAudioPrefRadioAudioEvent)));

			if (initializeError != KErrNone) {

				m_radioError = QRadioTuner::OpenError;

			}

		}

	}

}

void S60RadioTunerControl::MTcoFrequencyChanged(const TFrequency& aOldFrequency, const TFrequency& aNewFrequency)

{

	m_currentFreq = aNewFrequency.iFrequency;

	m_scanning = false;

	emit frequencyChanged(m_currentFreq);

}

void S60RadioTunerControl::MTcoStateChanged(const TUint32& aOldState, const TUint32& aNewState)

{

	if (aNewState == CMMTunerUtility::ETunerStateActive) {

		m_apiTunerState = QRadioTuner::ActiveState;

	}

	if (aNewState == CMMTunerUtility::ETunerStatePlaying) {

		m_apiTunerState = QRadioTuner::ActiveState;

	}	

	if (aOldState != aNewState){

		emit stateChanged(m_apiTunerState);

	}

}

void S60RadioTunerControl::MTcoAntennaDetached()

{

	// no actions

}

void S60RadioTunerControl::MTcoAntennaAttached()

{

	// no actions

}

void S60RadioTunerControl::FlightModeChanged(TBool aFlightMode)

{

	// no actions

}

void S60RadioTunerControl::MTsoStereoReceptionChanged(TBool aStereo)

{

	m_isStereo = aStereo;

	emit stereoStatusChanged(aStereo);

}

void S60RadioTunerControl::MTsoForcedMonoChanged(TBool aForcedMono)

{

	if (aForcedMono) {

		m_stereoMode = QRadioTuner::ForceMono;

	}

}

void S60RadioTunerControl::MssoSignalStrengthChanged(TInt aNewSignalStrength)

{

	m_signal = aNewSignalStrength;

	emit signalStrengthChanged(m_signal);

}

void S60RadioTunerControl::MTapoInitializeComplete(TInt aError)

{

	if (aError == KErrNone) {

		m_audioInitializationComplete = true;

		m_available = true;

		m_audioPlayerUtility->Play();

		m_apiTunerState = QRadioTuner::ActiveState;

		emit stateChanged(m_apiTunerState);

	} else if (aError != KErrNone) {

		m_radioError = QRadioTuner::OpenError;

	}

}

void S60RadioTunerControl::MTapoPlayEvent(TEventType aEvent, TInt aError, TAny* aAdditionalInfo)

{

	// no actions

}