/*

* Copyright (c) 2008 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 <centralrepository.h>

#include <sensrvchannelfinder.h>

#include <sensrvchannel.h>

#include <sensrvorientationsensor.h>

#include "tsorientationmonitor.h"

const TUid KSensorCenrepUid  = {0x2002C384};

const TUint32 KSensorCenrepKey  = 0x1;

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

CTsOrientationMonitor* CTsOrientationMonitor::NewL( MTsOrientationObserver& aObserver )

    {

    CTsOrientationMonitor* self = new (ELeave) CTsOrientationMonitor(aObserver);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

CTsOrientationMonitor::CTsOrientationMonitor( MTsOrientationObserver& aObserver )

:

    CActive(EPriorityStandard),

    iObserver(aObserver)

    {

    CActiveScheduler::Add(this);

    }

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

void CTsOrientationMonitor::ConstructL()

    {

    iRepository = CRepository::NewL( KSensorCenrepUid );

    SetActive();

    TRequestStatus* status( &iStatus );

    User::RequestComplete( status, KErrNone );

    }

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

CTsOrientationMonitor::~CTsOrientationMonitor()

    {

    Cancel();

    delete iChannel;

    delete iRepository;

    }

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

void CTsOrientationMonitor::SubscribeL()

    {

    User::LeaveIfError( iRepository->NotifyRequest(KSensorCenrepKey, iStatus) );

    SetActive();

    }

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

void CTsOrientationMonitor::StartSensorMonitoringL()

    {

    CSensrvChannelFinder *sensrvChannelFinder = CSensrvChannelFinder::NewLC();

    RSensrvChannelInfoList channelInfoList;

    CleanupClosePushL(channelInfoList);

    TSensrvChannelInfo mySearchConditions;

    //Search only Orientation events.

    mySearchConditions.iChannelType = KSensrvChannelTypeIdOrientationData;

    sensrvChannelFinder->FindChannelsL(channelInfoList, mySearchConditions);

    if( channelInfoList.Count() )

        {

        iChannel = CSensrvChannel::NewL(channelInfoList[0]);

        iChannel->OpenChannelL();

        iChannel->StartDataListeningL(this, 1, 1, 0);

        }

    CleanupStack::Pop(&channelInfoList);

    CleanupStack::PopAndDestroy(sensrvChannelFinder);

    }

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

void CTsOrientationMonitor::StopSensorMonitoring()

    {

    if(0 != iChannel)

        {

        iChannel->StopDataListening();

        }

    delete iChannel;

    iChannel = 0;

    }

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

void CTsOrientationMonitor::DoCancel()

    {

    iRepository->NotifyCancel(KSensorCenrepKey);

    }

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

void CTsOrientationMonitor::RunL()

    {

    User::LeaveIfError( iStatus.Int() );

    TInt sensorStatus;

    User::LeaveIfError(iRepository->Get(KSensorCenrepKey, sensorStatus));

    (0 != sensorStatus ) ? StartSensorMonitoringL() : StopSensorMonitoring();

    SubscribeL();

    }

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

TInt CTsOrientationMonitor::RunError(TInt aError)

    {

    if( KErrCancel != aError )

        {

        TRAP_IGNORE(SubscribeL());

        }

    return KErrNone;

    }

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

void CTsOrientationMonitor::DataReceived( CSensrvChannel& aChannel, 

                                          TInt aCount, 

                                          TInt /*aDataLost*/ )

    {

    if (aChannel.GetChannelInfo().iChannelType == KSensrvChannelTypeIdOrientationData)

        {

        TPckgBuf<TSensrvOrientationData> dataBuf;

        for(TInt i = 0; i < aCount; ++i) 

            {

            aChannel.GetData(dataBuf);

            iObserver.OrientationChanged( TSensrvOrientationData::EOrientationDisplayRightUp == dataBuf().iDeviceOrientation ? 270 : 0);

            }

        }

    }

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

void CTsOrientationMonitor::DataError( CSensrvChannel& /*aChannel*/, 

                                       TSensrvErrorSeverity /*aError*/ )

    {

    //No implementation required

    }

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

void CTsOrientationMonitor::GetDataListenerInterfaceL( TUid /*aInterfaceUid*/, 

                                                       TAny*& /*aInterface*/ )

    {

    //No implementation required

    }