/*

* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "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 "wrtharvesterpsnotifier.h"

#include "wrtharvester.h"

#include <UikonInternalPSKeys.h>//For MMC Observing

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

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

// Creates an instance of CCHPluginNotifier implementation

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

//

CWrtHarvesterPSNotifier* CWrtHarvesterPSNotifier::NewL( 

					CWrtHarvester* aHarvester, TPropertyKeys aKey )

    {

    CWrtHarvesterPSNotifier* self = new (ELeave) CWrtHarvesterPSNotifier( 

            aHarvester, aKey );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor

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

//

CWrtHarvesterPSNotifier::~CWrtHarvesterPSNotifier()

    {

    Cancel();

    iProperty.Close();

    }

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

// CWrtHarvesterPSNotifier::CCHPluginNotifier

// C++ default constructor

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

//

CWrtHarvesterPSNotifier::CWrtHarvesterPSNotifier(

		CWrtHarvester* aHarvester, TPropertyKeys aKey ) : CActive( EPriorityNormal )

    {    

    iHarvester = aHarvester;

    iKey = aKey;

    }

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

// CWrtHarvesterPSNotifier::ConstructL

// S2nd phase constructor.

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

//

void CWrtHarvesterPSNotifier::ConstructL()

    {

    CActiveScheduler::Add( this );

    TInt r(KErrNone);

    if( iKey != EWidgetMMCAltered  )

    	{	

    	// define property to be integer type

    	r = RProperty::Define( KPropertyCat, iKey, RProperty::EInt );

    	}

    if ( r != KErrAlreadyExists || r != KErrNone )

        {

        User::LeaveIfError( r );

        }

    // Attach the key

    if( iKey == EWidgetMMCAltered )

		{

		User::LeaveIfError( iProperty.Attach( KPSUidUikon,KUikMMCInserted ));

		}

    else

    	{

    	User::LeaveIfError( iProperty.Attach( KPropertyCat, iKey));

   	 	}

    // Set the initial value to indicate that first widget can be launched

    if( iKey == EWidgetUIState )

        {

        User::LeaveIfError( iProperty.Set( 1 ));

        }

    // initial subscription

    iProperty.Subscribe( iStatus );

    SetActive();

    }

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

// CWrtHarvesterPSNotifier::DoCancel

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

//

void CWrtHarvesterPSNotifier::DoCancel()

    {

    iProperty.Cancel();

    }

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

// CWrtHarvesterPSNotifier::RunL

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

//

void CWrtHarvesterPSNotifier::RunL()

    {

    // resubscribe before processing new value to prevent missing updates

    iProperty.Subscribe( iStatus );

    SetActive();

    TInt value( 0 );

    TInt r (KErrNone);

    if( iKey != EWidgetMMCAltered )

    	{

    	iProperty.Get( KPropertyCat, iKey, value );	

    	}

    else

        {

        iProperty.Get( KPSUidUikon, KUikMMCInserted , value );   

        }

    if( r == KErrNone )

        {

        if( iKey == EWidgetUIState && value == 1 )

            {

            iHarvester->TryLaunchNextWidgetL();

            }

        else if( iKey == EWidgetRegAltered && value == 1 )

            {

            iHarvester->UpdateL();

            }

        else if( iKey ==EWidgetMMCAltered )

            {

            iHarvester->UpdateL();    

            }

        }

    }

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

// CCHPluginNotifier::RunError

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

//

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

    {

    if ( !IsActive())

        {

        iProperty.Subscribe( iStatus );

        SetActive();

        }

    return KErrNone;

    }

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

// CCHPluginNotifier::Value

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

//

TInt CWrtHarvesterPSNotifier::GetValue( TInt& aValue)

    {

    return iProperty.Get( aValue );

    }

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

// CWrtHarvesterPSNotifier::Value

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

//

TInt CWrtHarvesterPSNotifier::SetValue( TInt aValue )

    {

    return iProperty.Set( aValue );

    }

// End of File