// 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:

//

// INCLUDE FILES

#include <hwrm/hwrmfmtx.h>

#include "HWRMFmTxInternalPSKeys.h"

#include "HWRMFmTxStatusObserver.h"

#include "HWRMtrace.h"

// ============================ MEMBER FUNCTIONS ===============================

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

// CHWRMFmTxStatusObserver::CHWRMFmTxStatusObserver

// C++ constructor can NOT contain any code, that

// might leave.

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

//

CHWRMFmTxStatusObserver::CHWRMFmTxStatusObserver(MHWRMFmTxObserver* aCallback)

    : CActive(EPriorityStandard), iCallback(aCallback)

    {

    COMPONENT_TRACE2( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::CHWRMFmTxStatusObserver(0x%x)" ), aCallback);

    CActiveScheduler::Add(this);

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::CHWRMFmTxStatusObserver - return" ) );

    }

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

// CHWRMFmTxStatusObserver::NewL

// Two-phased constructor

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

//

CHWRMFmTxStatusObserver* CHWRMFmTxStatusObserver::NewL(MHWRMFmTxObserver* aCallback)

    {

    COMPONENT_TRACE2( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::NewLC(0x%x)" ), aCallback);

	CHWRMFmTxStatusObserver* newInstance = new (ELeave) CHWRMFmTxStatusObserver(aCallback);

	CleanupStack::PushL( newInstance );

	newInstance->ConstructL();

	CleanupStack::Pop( newInstance );

    COMPONENT_TRACE2( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::NewLC - return 0x%x" ), newInstance );

	return newInstance;

    }

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

// Destructor

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

//

CHWRMFmTxStatusObserver::~CHWRMFmTxStatusObserver()

    {

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::~CHWRMFmTxStatusObserver()" ));

    // Cancel property separately, as the following Cancel() call doesn't seem to 

    // cause DoCancel to fire.

    iProperty.Cancel();

    Cancel();

    iProperty.Close();

    iCallback = NULL; // PCLint demands

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::~CHWRMFmTxStatusObserver - return" ) );

    }

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

// CHWRMFmTxStatusObserver::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CHWRMFmTxStatusObserver::ConstructL()

    {

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::ConstructL()" ));

    User::LeaveIfError(iProperty.Attach(KPSUidHWRMFmTx, KHWRMFmTxStatus));

    // Call RunL to order notification and do the initial notifying of the client

    RunL();

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::ConstructL - return" ) );

    }

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

// CHWRMFmTxStatusObserver::RunL

// Handle notification from P&S session.

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

//

void CHWRMFmTxStatusObserver::RunL()

    {

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::RunL()" ));

    // Reorder notification

    OrderNotification();

    // get value from P&S

    TInt value(EFmTxStateUnknown);

    TInt err = iProperty.Get(value);

    // if no error or not found then no problem.

    // Otherwise leave as something went wrong

    if ( err == KErrNotFound || err == KErrNone )

        {

        TFmTxState state = static_cast<TFmTxState>(value);

        // Only notify if value actually changed

        if ( iCallback && iFmTxState != state)

            {            

            iCallback->FmTxStatusChanged(state);    

            }

        iFmTxState = state;

        }

    else

        {

        User::Leave(err);

        }

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::RunL - return" ) );

    }

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

// CHWRMFmTxStatusObserver::RunError

// Handle error in RunL

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

//

#if defined(_DEBUG) && defined(COMPONENT_TRACE_FLAG)

TInt CHWRMFmTxStatusObserver::RunError(TInt aError)

#else

TInt CHWRMFmTxStatusObserver::RunError(TInt /*aError*/)

#endif

    {

    COMPONENT_TRACE2( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::RunError(%d)" ), aError);

    // Error occurred either while reordering notification or getting 

    // property value. Set status accordingly

    if ( iCallback && iFmTxState != EFmTxStateUnknown)

        {        

        iCallback->FmTxStatusChanged(EFmTxStateUnknown);

        }

    iFmTxState = EFmTxStateUnknown;

    COMPONENT_TRACE2( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::RunError - return %d" ), KErrNone );

    return KErrNone;

    }

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

// CHWRMFmTxStatusObserver::DoCancel

// Handle cancel order on this active object.

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

//

void CHWRMFmTxStatusObserver::DoCancel()

    {

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::DoCancel()" ));

    iProperty.Cancel();

    COMPONENT_TRACE1( _L( "HWRM FmTxClient - CHWRMFmTxStatusObserver::DoCancel - return" ) );

    }

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

// CHWRMFmTxStatusObserver::OrderNotification

// Order new notification from CenRep.

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

//

void CHWRMFmTxStatusObserver::OrderNotification()

    {

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::OrderNotification()" ));

    iProperty.Subscribe(iStatus);

    SetActive();

    COMPONENT_TRACE1( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::OrderNotification - return" ) );

    }

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

// CHWRMFmTxStatusObserver::Status

// Return FM Tx status

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

//

TFmTxState CHWRMFmTxStatusObserver::Status()

    COMPONENT_TRACE2( _L( "HWRM FM Tx Client - CHWRMFmTxStatusObserver::Status - return 0x%x" ), iFmTxState );

    return iFmTxState;

    }

// End of File