/*

* Copyright (c) 2010 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: 

*     Maptile service implementation

*

*/

#include <centralrepository.h> 

#include <locationservicedefines.h>

#include <qvaluespacepublisher.h>

#include <qvaluespacesubscriber.h>

#include <qfile.h>

#include "mylocationlogger.h"

#include "maptileservice.h"

#include "maptiledblookuptable.h"

#include <QVariant>

// CONSTANTS

// Maptile interface uid

const TUid KUidMapTileInterface = { 0x2002E6E8 };

// Central Repository Key IDs

const TInt KEnableLocationFeature  = 0x1;

const char *MAPTILE_STATUS_RECEIVER = "/maptilestatuspublisher/name";

const char *MAPTILE_STATUS_PUBLISHER = "/maptilecontactpublisher";

const char *MAPTILE_STATUS_CALENDAR_PUBLISHER = "/maptilecalpublisher";

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

// MapTileService::MapTileService()

// Default constructor

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

//

MapTileService::MapTileService():mCalPublisher(0)

{

   /* Constructs a QValueSpacePublisher that publishes values under path /mypublisher*/

    mPublisher = NULL;    

    mSubscriber = new QValueSpaceSubscriber( MAPTILE_STATUS_RECEIVER );

    //Connect for maptile status change key

    QObject::connect(mSubscriber, SIGNAL(contentsChanged()), this, SLOT(setMaptileStatus()));

}

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

// MapTileService::~MapTileService()

// Destructor

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

//

MapTileService::~MapTileService()

{

    if( mSubscriber )

    {

        delete mSubscriber;

        mSubscriber = NULL;

    }

    if( mPublisher )

    {

        delete mPublisher;

        mPublisher = NULL;

    }

	if( mCalPublisher )

	{

	    delete mCalPublisher;

		mCalPublisher = NULL;

	}

}

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

// MapTileService::isLocationFeatureEnabled()

// Checks whether location feature is enabled or disabled

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

//

bool MapTileService::isLocationFeatureEnabled(AppType appType)

{    

    //Create the centrep with uid 0x2002C3A8

    bool enableLocationFeature = false;

    CRepository* centralRepository = NULL;  

    TRAPD( err, centralRepository = CRepository::NewL( KUidMapTileInterface ) );

    if ( KErrNone == err )

    {

        TInt repValue;

        //Get the Location feature flag

        int ret=0;

        if ( appType == AppTypeContacts )

        {

            ret = centralRepository->Get( KEnableLocationFeature , repValue );

        }

        else if ( appType == AppTypeCalendar )

        {

             ret = centralRepository->Get( KEnableLocationFeature , repValue );

        }

        if ( ret == KErrNone && repValue == 1 )

        {

            enableLocationFeature  = true;

        }

         delete centralRepository;

    }

    return   enableLocationFeature;

}

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

// MapTileService::getMapTileImage()

// Gets the maptile image path associated with a contact.

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

//

int MapTileService::getMapTileImage( int id, AddressType sourceType, 

             QString& imagePath, Qt::Orientations orientation )    

{

    __TRACE_CALLSTACK;

    TLookupItem lookupItem;

    int addressCount = 0;  

    int maptileStatus = MapTileFetchingUnknownError;

    int error = readEntryFromMaptileDataBase( id, sourceType, lookupItem, addressCount );

    //if entry available returns the file path otherwise NULL. 

    if ( KErrNone == error  )

    {

        maptileStatus = lookupItem.iFetchingStatus;

        MYLOCLOGSTRING1("getMapTileImage maptileStatus  - %d ", maptileStatus );

        if( maptileStatus == MapTileFetchingCompleted )

        {

            //Get the image path

	          QString imageFile((QChar*)lookupItem.iFilePath.Ptr(),

	                    lookupItem.iFilePath.Length());

	          imagePath = imageFile;

	          if( orientation == Qt::Vertical )

	          {

	              imagePath.append( MAPTILE_IMAGE_PORTRAIT ); 

	          }

	          else

	          {

	              if( sourceType == AddressPlain )

	              {

	                  imagePath.append( MAPTILE_IMAGE_CALENDAR );

	              }

	              else if ( sourceType == AddressHome || 

	                   sourceType == AddressPreference || sourceType == AddressWork )

	              {

	                  imagePath.append( MAPTILE_IMAGE_CONTACT );

	              }

	              imagePath.append( MAPTILE_IMAGE_LANDSCAPE );

	          }

	          //Check if file exist

	          if( !QFile::exists( imagePath ) )

	          {

	              imagePath.clear();

	           		maptileStatus = MapTileFetchingUnknownError;

	          }

	      }

        else if( maptileStatus == MapTileFetchingNetworkError ||

                    maptileStatus == MapTileFetchingInProgress )

        {

            switch(sourceType)

            {           

                case AddressHome:            

                case AddressPreference:           

                case AddressWork:

                {

                    publishValue( id, sourceType, addressCount );

                    break;

                }

                case AddressPlain:

                {

                    publishCalEntry( id );

                    break;

                }

                default:

                    break;

            };

        }

    }

    else if ( KErrNotFound == error )

    {

        MYLOCLOGSTRING("getMapTileImage entry not found, return MapTileFetchingInProgress" );

        //If entry is not found , it will be a newly added entry.       

        switch (sourceType) {

            case AddressHome:

            case AddressPreference:

            case AddressWork:

            {

                publishValue(id, sourceType, addressCount);

                break;

            }

            case AddressPlain:

            {

                publishCalEntry(id);

                break;

            }

            default:

                break;

        };

        maptileStatus = MapTileFetchingInProgress;

    }

    //Return the maptile status

    MYLOCLOGSTRING("getMapTileImage  returns MapTileFetchingUnknownError" );

    return maptileStatus;

}

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

// MapTileService::setMaptileStatus()

// Gets call back from location engine , after maptile fetching done ,

// to set status and emit signal . 

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

//

void MapTileService::setMaptileStatus()

{

    __TRACE_CALLSTACK;

    QString imagePath;

    AddressType addressType = AddressUnknown;   

    QStringList subPath = mSubscriber->subPaths();

    QVariant value = mSubscriber->value(subPath.at(0));

    //Subscriber Protocol : [appid-addresstype-maptilestatus]

    QStringList text = value.toString().split("-");

    int id = text.at(0).toInt();

    int status = text.at(2).toInt();

    switch( text.at(1).toInt() )

    {

        case ESourceContactsPref:

            addressType = AddressPreference;

            break;

        case ESourceContactsWork:

            addressType = AddressWork;

            break;        

        case ESourceContactsHome:

            addressType = AddressHome;

            break;

        case ESourceCalendar:           

            addressType = AddressPlain;

            break;

        default:

            break;

    }

    //Emit the maptile status signal 

    int type = addressType;

    MYLOCLOGSTRING1("setMaptileStatus() status  - %d ", addressType );

    if( mLastViewedEntryId == id )

    {

        emit maptileFetchingStatusUpdate( mLastViewedEntryId, type , status );

	}

}

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

// MapTileService::publishValue()

// publish the contact entry 

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

//

void MapTileService::publishValue( int id, AddressType sourceType, int addressCount )

{

    __TRACE_CALLSTACK;

    mLastViewedEntryId = id;

	int addressType = ESourceInvalid;    

    switch( sourceType )

    {

        case AddressPreference:

            addressType = ESourceContactsPref;

            break;

        case AddressWork:

            addressType = ESourceContactsWork;

            break;

        case AddressHome:

            addressType = ESourceContactsHome;

            break;

    }

    if ( !mPublisher )

    {

        /* Constructs a QValueSpacePublisher that publishes values under path /mypublisher*/

        mPublisher = new QValueSpacePublisher( MAPTILE_STATUS_PUBLISHER, this);

    }

    /* Publisher protocol [appid-addresstype-count] */

    QString addressId;

    addressId.append( QVariant(id).toString());

    addressId.append( QChar('-') );

    addressId.append( QVariant(addressType).toString());

    addressId.append( QChar('-') );

    addressId.append( QVariant(addressCount).toString() );

    mPublisher->setValue("name", addressId.toAscii() );

    mPublisher->sync();

}

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

// MapTileService::publishValue()

// publish the calendar entry 

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

//

void MapTileService::publishCalEntry( int id)

{

    __TRACE_CALLSTACK;

    mLastViewedEntryId = id;       

    if ( NULL ==mCalPublisher )

    {

        /* Constructs a QValueSpacePublisher that publishes values under path /mypublisher*/

        mCalPublisher = new QValueSpacePublisher( MAPTILE_STATUS_CALENDAR_PUBLISHER, this);

    }    

    mCalPublisher->setValue("name", id);

    mCalPublisher->sync();

}

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

// MapTileService::readEntryFromMaptileDataBase()

// Read all entries from database

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

//

int MapTileService::readEntryFromMaptileDataBase( 

            int id, AddressType sourceType, TLookupItem& aLookupItem, int& aNoOfAddress )

{

    //Maptile database  instance

    CLookupMapTileDatabase* mapTileDatabase = NULL;

    TRAPD( err, mapTileDatabase = CLookupMapTileDatabase::NewL(

            KMapTileLookupDatabaseName ) );

    if ( KErrNone == err )

    {     

        TRAP( err,aNoOfAddress = mapTileDatabase->FindNumberOfAddressL(id) );

        MYLOCLOGSTRING1("no of address  FindNumberOfAddressL returns - %d ", err );     

       if ( KErrNone == err )

       {

            aLookupItem.iUid = id;

            switch (sourceType)

            {

                case AddressPlain:

                    aLookupItem.iSource = ESourceCalendar;

                    break;

                case AddressPreference:

                    aLookupItem.iSource = ESourceContactsPref;

                    break;

                case AddressWork:

                    aLookupItem.iSource = ESourceContactsWork;

                    break;

                case AddressHome:

                    aLookupItem.iSource = ESourceContactsHome;

                    break;

                default:

                    break;

            }

            TRAP( err , mapTileDatabase->FindEntryL( aLookupItem ) );

            MYLOCLOGSTRING1("getMapTileImage FindEntryL returns - %d ", err );

        }

        //delet the database instance

        delete mapTileDatabase;

    }

    return err;

}

// End of file