/*

* 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 FILES

#include "SystemInfoObserver.h"

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

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

// CSystemInfoObserver::CSystemInfoObserver

// Two-phased constructor.

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

CSystemInfoObserver* CSystemInfoObserver::NewL( MSystemInfoObserverClient* aClient, TInt aId )

    {

    CSystemInfoObserver* self = new ( ELeave ) CSystemInfoObserver( aClient, aId );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CSystemInfoObserver::CSystemInfoObserver

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

// might leave.

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

CSystemInfoObserver::CSystemInfoObserver( MSystemInfoObserverClient* aClient, TInt aId )

    : CActive( EPriorityStandard ),

      iClient( aClient ),

      iId( aId )

    {

    }

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

// CSystemInfoObserver::ConstructL

// Symbian 2nd phase constructor can leave.

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

void CSystemInfoObserver::ConstructL()

    {

    CActiveScheduler::Add( this );

    }

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

// CSystemInfoObserver::~CSystemInfoObserver()

// Destructor

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

CSystemInfoObserver::~CSystemInfoObserver()

    {

    Cancel();

    if ( iClient )

      {

        iClient->Close( iId );

      }

    }

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

// CSystemInfoObserver::RequestNotification

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

void CSystemInfoObserver::RequestNotificationL()

    {

    if ( !IsActive() )

        {

        iClient->SubscribeL( iId, iStatus );

        SetActive();

        }

    }

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

// CSystemInfoObserver::RunL

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

void CSystemInfoObserver::RunL()

    {

    if( iStatus == KErrNone )

       {

       iClient->UpdateL( iId );

       iClient->SubscribeL( iId, iStatus );  // FUTURE consider letting client decide if to do this

       SetActive();

       }

    }

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

// CSystemInfoObserver::RunError

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

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

    {

    return KErrNone;

    }

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

// CSystemInfoObserver::DoCancel

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

void CSystemInfoObserver::DoCancel()

    {

    iClient->Cancel( iId );

    }

//  End of File