/*

* Copyright (c) 2008-2009 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:  Implementation

 *

*/

#include "cusbotgstateobserver.h"

#include "definitions.h"

#include "debug.h"

#include "panic.h"

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

// 

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

//

CUsbOtgStateObserver::CUsbOtgStateObserver() :

    CActive(EPriorityStandard)

    {

    CActiveScheduler::Add(this);

    }

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

// 

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

//

void CUsbOtgStateObserver::ConstructL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::ConstructL" ) );

    User::LeaveIfError(iOtgState.Attach(KUidUsbManCategory,

            KUsbOtgStateProperty));

    }

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

// 

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

//

CUsbOtgStateObserver* CUsbOtgStateObserver::NewL()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::NewL" ) );

    CUsbOtgStateObserver* self = new (ELeave) CUsbOtgStateObserver();

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// 

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

//

CUsbOtgStateObserver::~CUsbOtgStateObserver()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::~CUsbOtgStateObserver" ) );

    Cancel();

    iOtgState.Close();

    iObservers.Close();

    }

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

// 

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

//

TUsbOtgState CUsbOtgStateObserver::OtgState()

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::OtgState" ) );

    TInt val(0);

    TInt err = iOtgState.Get(val);

    if (KErrNone != err)

        {

            FLOG( _L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::StOtgState CanNotGetOtgStateProperty" ) );

        Panic(ECanNotGetOtgStateProperty);

        }

        FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::OtgState = %d" ), val ));

    return (TUsbOtgState) val;

    }

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

// 

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

//

    {

        FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::SubscribeL" ) );

    if (KFirst == iObservers.Count()) // first item

        {

        iOtgState.Subscribe(iStatus);

        SetActive();

        }

    }

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

// 

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

//

    {

        {

        }

        {

        // cancel pending request

        Cancel();

        }

    }

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

//

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

//

void CUsbOtgStateObserver::RunL()

    {

        FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::RunL iStatus = %d" ), iStatus.Int()));

    // if error occured, tell to Observers

    if(KErrNone != iStatus.Int()) 

        {

        for (TInt i(0); i < iObservers.Count(); ++i)

             {

             iObservers[i]->OtgStateErrorL(iStatus.Int());

             }

        return;

        }

    // re-issue request first

    iOtgState.Subscribe(iStatus);

    SetActive();

    // then process property change

    TUsbOtgState state(OtgState());

    switch (state)

        {

        case EUsbOtgStateReset:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == RESET" ) );

            break;

            }

        case EUsbOtgStateAIdle:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AIdle" ) );

            for (TInt i(0); i < iObservers.Count(); ++i)

                {

                iObservers[i]->AIdleL();

                }

            break;

            }

        case EUsbOtgStateAHost:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AHost" ) );

            for (TInt i(0); i < iObservers.Count(); ++i)

                {

                iObservers[i]->AHostL();

                }

            break;

            }

        case EUsbOtgStateAPeripheral:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == APeripheral" ) );

            for (TInt i(0); i < iObservers.Count(); ++i)

                {

                iObservers[i]->APeripheralL();

                }

            break;

            }

        case EUsbOtgStateAVbusError:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == AVBusError" ) );

            for (TInt i(0); i < iObservers.Count(); ++i)

                {

                iObservers[i]->AVBusErrorL();

                }

            break;

            }

        case EUsbOtgStateBIdle:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BIdle" ) );

            for (TInt i(0); i < iObservers.Count(); ++i)

                {

                iObservers[i]->BIdleL();

                }

            break;

            }

        case EUsbOtgStateBPeripheral:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BPeripheral" ) );

            for (TInt i(0); i < iObservers.Count(); ++i)

                {

                iObservers[i]->BPeripheralL();

                }

            break;

            }

        case EUsbOtgStateBHost:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL OTGState == BHost" ) );

            for (TInt i(0); i < iObservers.Count(); ++i)

                {

                iObservers[i]->BHostL();

                }

            break;

            }

        default:

            {

                FLOG( _L( "[USBOTGWATCHER]\tCUsbOTGStateObserver::RunL WrongOtgState" ) );

            Panic(EWrongOtgState);

            }

        }

    }

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

// 

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

//

void CUsbOtgStateObserver::DoCancel()

    {

    iOtgState.Cancel();

    }

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

// 

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

//

TInt CUsbOtgStateObserver::RunError(TInt aError)

    {

        FTRACE( FPrint(_L( "[USBOTGWATCHER]\tCUsbOtgStateObserver::RunError aError = %d" ), aError));

    // try to continue	

    return KErrNone;

    }