/*

* Copyright (c) 2004-2006 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 <e32property.h>

#include "bthidpskeywatcher.h"

#include "bthidPsKey.h"

#include "debug.h"

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

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

// CBTMouseCursorStatusObserver::CBTMouseCursorStatusObserver()

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

//

    {                                

    CActiveScheduler::Add( this );

    }

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

// CBTMouseCursorStatusObserver::NewL()

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

// 

CBTMouseCursorStatusObserver* CBTMouseCursorStatusObserver::NewL() 

    {

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

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

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

// CBTMouseCursorStatusObserver::ConstructL()

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

//   

void CBTMouseCursorStatusObserver::ConstructL()

    {

    User::LeaveIfError(iProperty.Attach( KPSUidBthidSrv, KBTMouseCursorState));

    }

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

// CBTMouseCursorStatusObserver::~CBTMouseCursorStatusObserver

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

//

CBTMouseCursorStatusObserver::~CBTMouseCursorStatusObserver()

    {

    Cancel();

    iProperty.Close();

    }

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

// CBTMouseCursorStatusObserver::StartObservingL()

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

//

void CBTMouseCursorStatusObserver::SubscribeMouseCursorStatusL(MMouseCursorStatusObserver* aObserver)

    {    

    ASSERT(aObserver);

    iObserver = aObserver;

    iProperty.Subscribe(iStatus);

    SetActive();

    }

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

// CBTMouseCursorStatusObserver::DoCancel()

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

//

void CBTMouseCursorStatusObserver::DoCancel()

    {       

    iProperty.Cancel();

    }

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

// CBTMouseCursorStatusObserver::RunL()

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

//

void CBTMouseCursorStatusObserver::RunL()

    {

    TInt btMouseCursorState = ECursorNotInitialized;

    TInt err = iStatus.Int();

	if (err == KErrNotFound)

		{

		// someone deleted the P&S key - this is ok as we on error

		// set the cursor to not initialized.

		err = KErrNone;

		}

    iProperty.Subscribe(iStatus);

    SetActive();

    if (err == KErrNone)

        {

        err = iProperty.Get(btMouseCursorState);

        if (err == KErrNotFound)

            {

			// probably no longer present, so set to not initialized.

			btMouseCursorState = ECursorNotInitialized;

			err = KErrNone;

			}

		if(err == KErrNone)

			{

			iObserver->MouseCursorStatusChangedL(btMouseCursorState);

			}

        }

    }