/*

* Copyright (c) 2002-2008 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:  system state monitor

*

*/

#include <ssm/ssmstate.h>

#include <ssm/ssmdomaindefs.h>

#include "fmsystemstatemonitor.h"

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

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

// CFmSystemStateMonitor::NewL()

// Two-phased constructor

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

CFmSystemStateMonitor* CFmSystemStateMonitor::NewL(

    MFmSystemStateMonitorObserver& aObserver )

    {

    CFmSystemStateMonitor* self = new ( ELeave ) CFmSystemStateMonitor( aObserver );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

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

// CFmSystemStateMonitor::~CFmSystemStateMonitor()

// Destructor.

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

//

CFmSystemStateMonitor::~CFmSystemStateMonitor()

    {

    Cancel();

    iSAS.Close();

    }

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

// CFmSystemStateMonitor::StartMonitor()

// Start monitor

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

//

void CFmSystemStateMonitor::StartMonitor( TUint aStateToMonitor )

    {

	if( !IsActive() )

	    {

	    iStateToMonitor = aStateToMonitor;

	    iSAS.RequestStateNotification( iStatus );

        SetActive();

	    }

    }   

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

// CFmSystemStateMonitor::IsSystemStateNormal()

// Indicate the system state normal or not

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

//

TBool CFmSystemStateMonitor::IsSystemStateNormal()

    {

    TSsmState state = iSAS.State();

    return ( state.MainState() == ESsmNormal );

    }

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

// CFmSystemStateMonitor::CFmSystemStateMonitor()

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

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

CFmSystemStateMonitor::CFmSystemStateMonitor( MFmSystemStateMonitorObserver& aObserver ) :

        CActive( EPriorityStandard ),iObserver( aObserver )

    {

    CActiveScheduler::Add( this );

    }

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

// CFmSystemStateMonitor::ConstructL()

// Symbian 2nd phase constructor can leave.

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

//

void CFmSystemStateMonitor::ConstructL()

    {

    User::LeaveIfError( iSAS.Connect( KSM2GenMiddlewareDomain3 ) );

    }

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

// CFmSystemStateMonitor::RunL

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

//

void CFmSystemStateMonitor::RunL()

    {

    User::LeaveIfError( iStatus.Int() );

    TSsmState state = iSAS.State();

    if ( state.MainState() == iStateToMonitor )

        {

        iObserver.SystemStateChangedEvent();

        iSAS.AcknowledgeStateNotification( KErrNone );

        }

    else

        {

        iSAS.AcknowledgeAndRequestStateNotification( KErrNone, iStatus );

        SetActive();

        }        

    }

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

// CFmSystemStateMonitor::DoCancel()

// From CActive.

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

//

void CFmSystemStateMonitor::DoCancel()

    {

    iSAS.RequestStateNotificationCancel();

    }      

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

// CFmSystemStateMonitor::RunError()

// From CActive.

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

//

TInt CFmSystemStateMonitor::RunError( TInt aError )

    {

    return aError;

    }

// End of File