/*

* Copyright (c) 2009 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: Implementation of CSsmPowerSup class.

*

*/

#include <ssm/ssmclayer.h>

#include <ssm/ssmstatemanager.h>

#include <ssm/starterclient.h>

#include "ssmpowersup.h"

#include "trace.h"

// ======== LOCAL FUNCTIONS ========

static TInt ShutdownWithReason( const TInt aReason )

    {

    FUNC_LOG;

    RSsmStateManager session;

    TInt errorCode = session.Connect();

    ERROR( errorCode, "Failed to connect to RSsmStateManager" );

    if ( errorCode == KErrNone )

        {

        TUint16 mainstate = ESsmShutdown;

        TUint16 substate = KSsmAnySubState;

        TInt reason = aReason;

        TSsmStateTransition stateinfo( mainstate, substate, reason );

        // Make request and ignore return value

        session.RequestStateTransition( stateinfo );

        session.Close();

        }

    return errorCode;

    }

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

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

// CSsmPowerSup::NewL

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

//

EXPORT_C MSsmUtility* CSsmPowerSup::NewL()

	{

    FUNC_LOG;

	CSsmPowerSup* self = new ( ELeave ) CSsmPowerSup;

	return self;

	}

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

// CSsmPowerSup::~CSsmPowerSup

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

//

CSsmPowerSup::~CSsmPowerSup()

    {

    FUNC_LOG;

    Cancel();

    iAdaptation.Close();

    }

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

// CSsmPowerSup::RunL

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

//

void CSsmPowerSup::RunL()

	{

    FUNC_LOG;

    TInt errorCode = iStatus.Int();

    ERROR( errorCode, "RSsmStateAdaptation::NotifyCoopSysEvent completed with error" );

    if ( errorCode == KErrNone )

        {

        if ( iEventBuf() == ESsmShutdownDevice )

            {

            INFO( "DOS-originated shutdown" );

            errorCode = ShutdownWithReason( KSsmCLayerPowerOffReason );

            }

        else if ( iEventBuf() == ESsmRestartDevice ||

                  iEventBuf() == ESsmFatalCoopSysError )

            {

            INFO( "DOS-originated reset" );

            errorCode = ShutdownWithReason( RStarterSession::EUnknownReset );

            }

        }

    else if ( errorCode != KErrServerTerminated )

        {

        Activate();

        }

	}

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

// CSsmPowerSup::DoCancel()

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

//

void CSsmPowerSup::DoCancel()

    {

    FUNC_LOG;

    iAdaptation.NotifyCancel();

    }

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

// CSsmPowerSup::InitializeL()

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

//

void CSsmPowerSup::InitializeL()

    {

    FUNC_LOG;

    User::LeaveIfError( iAdaptation.Connect() );

    }

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

// CSsmPowerSup::StartL()

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

//

void CSsmPowerSup::StartL()

    {

    FUNC_LOG;

    Activate();

    }

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

// CSsmPowerSup::Release()

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

//

void CSsmPowerSup::Release()

    {

    FUNC_LOG;

	delete this;

    }

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

// CSsmPowerSup::CSsmPowerSup

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

//

CSsmPowerSup::CSsmPowerSup() : CActive( EPriorityNormal )

    {

    FUNC_LOG;

	CActiveScheduler::Add( this );

    }

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

// CSsmPowerSup::Activate

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

//

void CSsmPowerSup::Activate()

    {

    FUNC_LOG;

    ASSERT_TRACE( !IsActive() );

    iAdaptation.NotifyCoopSysEvent( iEventBuf, iStatus );

    SetActive();

    }