/*

* Copyright (c) 2006-2009 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:  An interface to Track Log API

*

*/

#include "rtracklog.h"

#include "locationmanagerdebug.h"

#include "CTrackLogObserverAO.h"

#include "locationmanagerdefs.h"

EXPORT_C RTrackLog::RTrackLog() : RLocationManager(),

	iWrapQuality( TPckg<TPositionSatelliteInfo>( iFixQuality ) ),

	iWrapRec( TPckg<TBool>( iRecording ) ),

	iWrapEventType( TPckg<TEventTypes>( iEventType ) )

{

}

// --------------------------------------------------------------------------

// RTrackLog::StartLocationTrail

// --------------------------------------------------------------------------

//

EXPORT_C TInt RTrackLog::StartTrackLog()

    {

    LOG( "RTrackLog::StartTrackLog()" );

    TInt ret( KErrDisconnected );

    if ( iHandle )

        {

        ret = SendReceive( ELocManStartTrackLog );

        }

    return ret;

    }

// --------------------------------------------------------------------------

// RTrackLog::StopTrackLog

// --------------------------------------------------------------------------

//

EXPORT_C void RTrackLog::StopTrackLog()

    {

    LOG( "RTrackLog::StopTrackLog()" );

    if ( iHandle )

        {

        SendReceive( ELocManStopTrackLog);

        }   

    }

// --------------------------------------------------------------------------

// RTrackLog::GetStatus

// --------------------------------------------------------------------------

//

EXPORT_C TInt RTrackLog::GetStatus( TBool& aRecording, TPositionSatelliteInfo& aFixQuality )

    {

    LOG( "RTrackLog::GetStatus()" );

    TInt ret( KErrDisconnected );

    TPckg<TBool> wrapRec( aRecording );

    TPckg<TPositionSatelliteInfo> wrapQuality( aFixQuality );

    if ( iHandle )

        {

        ret = SendReceive( ELocManGetTrackLogStatus, TIpcArgs( &wrapRec, &wrapQuality ) );

        }

    return ret;

    }

// --------------------------------------------------------------------------

// RTrackLog::DeleteTrackLog

// --------------------------------------------------------------------------

//

EXPORT_C TInt RTrackLog::DeleteTrackLog( TDesC& aUri )

    {

    LOG( "RTrackLog::DeleteTrackLog()" );

    TInt ret( KErrDisconnected );

    if ( iHandle )

        {

        ret = SendReceive( ELocManDeleteTrackLog, TIpcArgs( &aUri ) );

        }

    return ret;

    }

// --------------------------------------------------------------------------

// RTrackLog::IsRecording

// --------------------------------------------------------------------------

//

EXPORT_C TBool RTrackLog::IsRecording()

    {

    LOG( "RTrackLog::IsRecording()" );

    TBool rec = EFalse;

    TPckg<TBool> wrapRec( rec );

    if ( iHandle )

        {

        SendReceive( ELocManIsTrackLogRecording, TIpcArgs( &wrapRec ) );

        }

    return rec;

    }

// --------------------------------------------------------------------------

// RTrackLog::AddObserver

// --------------------------------------------------------------------------

//

EXPORT_C TInt RTrackLog::AddObserver( MTrackLogObserver* aObserver )

    {

    LOG( "RTrackLog::AddObserver()" );

    TInt err( KErrNone );

    if ( iSubscribed )

    	{

    	return KErrAlreadyExists;

    	}

    if ( !iHandle )

    	{

    	return KErrDisconnected;

    	}

    // add message to observer pointer array    

    err = iObservers.Append( aObserver );

    if ( err != KErrNone  )

    	{

    	return err;

    	}

    if ( !iTrackLogObserverAO )

    	{

    	iTrackLogObserverAO = new CTrackLogObserverAO( this );

    	}

	if ( iTrackLogObserverAO )

		{

		iSubscribed = ETrue;

		iTrackLogObserverAO->StartObserving();

		}

	else 

		{

		// If creating observer AO failed, reset the observer list (don't destroy observers in it).

		iObservers.Reset();

		err = KErrNoMemory;

		}

    return err;

    }

// --------------------------------------------------------------------------

// RTrackLog::RemoveObserver

// --------------------------------------------------------------------------

//

EXPORT_C TInt RTrackLog::RemoveObserver( MTrackLogObserver* aObserver )

    {

    LOG( "RTrackLog::RemoveObserver()" );

    TInt err( KErrNotFound  );

    TInt index( 0 );

    // remove message from observer pointer array

    TRAP(err, index = iObservers.FindL(aObserver));

    if (err == KErrNone)

    	{

    	iObservers.Remove(index);

    	}

    if ( iObservers.Count() == 0 )

    	{

    	if ( iHandle )

        	{

            SendReceive( ELocManCancelTrackLogNotify );

        	}

    	iSubscribed = EFalse;

    	delete iTrackLogObserverAO;

    	iTrackLogObserverAO = NULL;

    	}

    return err;

    }

// --------------------------------------------------------------------------

// RTrackLog::TrackLogName

// --------------------------------------------------------------------------

//

EXPORT_C TInt RTrackLog::TrackLogName(TDes& aTrackLogName)

    {

    LOG( "RTrackLog::TrackLogName()" );

    TInt ret( KErrDisconnected );

    if ( iHandle )

        {

        ret = SendReceive( ELocManTrackLogName, TIpcArgs( &aTrackLogName ) );

        }

    return ret;

    }

// --------------------------------------------------------------------------

// RTrackLog::Close

// --------------------------------------------------------------------------

//

EXPORT_C void RTrackLog::Close()

    {

    LOG( "RTrackLog::Close()" );

    if ( iHandle )

    	{

        SendReceive( ELocManCancelTrackLogNotify );

    	}

    iObservers.Reset();		// Just reset the array, don't destroy observers in it.

    delete iTrackLogObserverAO;

    iTrackLogObserverAO = NULL;

    iSubscribed = EFalse;

    RLocationManager::Close();

    }

// --------------------------------------------------------------------------

// RTrackLog::SendNotifyRequest

// --------------------------------------------------------------------------

//

void RTrackLog::SendNotifyRequest( TRequestStatus& aStatus )

	{

    SendReceive( ELocManRegObserver, TIpcArgs( &iWrapRec, &iWrapQuality, &iWrapEventType ), 

    		aStatus );

	}

// --------------------------------------------------------------------------

// RTrackLog::GpsQualityChange

// --------------------------------------------------------------------------

//

void RTrackLog::TrackLogEvent( TInt aError )

	{

	TInt count = iObservers.Count();

	for ( TInt index = 0; index < count; index++ )

		{

		switch( iEventType )

			{

			case EStarted:

				{

				iObservers[index]->TrackLogStarted( aError );

				}

				break;

			case EStopped:

				{

				iObservers[index]->TrackLogStopped( aError );

				}

				break;

			case ESignalChanged:

				{

				iObservers[index]->GPSFixQualityChanged( iFixQuality, iRecording );

				}

			}

		}

	}