/*

* 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 "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:  Power shutdown -watcher implementation

*

*/

// INCLUDE FILES

#include "sconshutdownwatcher.h"

#include "debug.h"

#include <startupdomainpskeys.h>

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

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

// CShutdownWatcher::NewL( MShutdownObserver* aObserver )

// Two-phase constructor

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

//

CShutdownWatcher* CShutdownWatcher::NewL( MShutdownObserver* aObserver )

    {

    LOGGER_ENTERFN( "CShutdownWatcher::NewL()" );

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

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    LOGGER_LEAVEFN( "CShutdownWatcher::NewL()" );

    return self;

    }

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

// CShutdownWatcher::~CShutdownWatcher()

// Destructor

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

//

CShutdownWatcher::~CShutdownWatcher()

    {

    LOGGER_ENTERFN( "CShutdownWatcher::~CShutdownWatcher()" );

    Cancel();

    iProperty.Close();

    LOGGER_LEAVEFN( "CShutdownWatcher::~CShutdownWatcher()" );

    }

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

// CShutdownWatcher::StartShutdownWatcher()

// Starts to watch shutdown status

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

//

void CShutdownWatcher::StartShutdownWatcher()

    {

    LOGGER_ENTERFN( "CShutdownWatcher::StartShutdownWatcher()" );

    TInt status;

    TInt err = iProperty.Get( KPSUidStartup, KPSGlobalSystemState, status );

    LOGGER_WRITE_2( "CShutdownWatcher::StartShutdownWatcher() :\

     err %d, KPSGlobalSystemState status %d",err, status);

    if ( err == KErrNone )

        {

        if ( status == ESwStateShuttingDown )

            {

            LOGGER_WRITE( "Call NotifyShutdown" );

            iObserver->NotifyShutdown();

            return;

            }

        }

    err = iProperty.Attach( KPSUidStartup, KPSGlobalSystemState );

    LOGGER_WRITE_1( "CShutdownWatcher::StartShutdownWatcher() :\

     iProperty.Attach( KPSUidStartup, KPSGlobalSystemState ) : err %d", err );

    iProperty.Subscribe( iStatus );

    LOGGER_WRITE( "CShutdownWatcher::StartShutdownWatcher() :\

     iProperty.Subscribe( iStatus ) : ok" );

    SetActive();

    LOGGER_LEAVEFN( "CShutdownWatcher::StartShutdownWatcher()" );

    }

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

// CShutdownWatcher::DoCancel()

// Executed when CActive is canceled.

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

//

void CShutdownWatcher::DoCancel()

    {

    LOGGER_ENTERFN( "CShutdownWatcher::DoCancel()" );

    iProperty.Cancel();

    LOGGER_LEAVEFN( "CShutdownWatcher::DoCancel()" );

    }

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

// CShutdownWatcher::RunL()

// Executed when disk watcher is triggered

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

//

void CShutdownWatcher::RunL()

    {

    LOGGER_ENTERFN( "CShutdownWatcher::RunL()" );

    TInt status;

    iProperty.Get( status );

    LOGGER_WRITE_1( "CShutdownWatcher::RunL() : status %d", status );

    if ( status == ESwStateShuttingDown )

        {

        LOGGER_WRITE( "Call NotifyShutdown" );

        iObserver->NotifyShutdown();

        return;

        }

    iProperty.Cancel();

    iProperty.Close();

    LOGGER_LEAVEFN( "CShutdownWatcher::RunL()" );

    }

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

// CShutdownWatcher::CShutdownWatcher( MShutdownObserver* aObserver )

// Default constructor

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

//

CShutdownWatcher::CShutdownWatcher( MShutdownObserver* aObserver )

: CActive(EPriorityStandard),

    iObserver(aObserver)

    {

    }

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

// CShutdownWatcher::ConstructL()

// Initializes member data

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

//

void CShutdownWatcher::ConstructL()

    {

    LOGGER_ENTERFN( "CShutdownWatcher::ConstructL()" );

    CActiveScheduler::Add(this);

    LOGGER_LEAVEFN( "CShutdownWatcher::ConstructL()" );

    }

// End of file