/*

* Copyright (c) 2006 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:  Monitors device lock state

*

*/

// INCLUDE FILES

#include    "CVtEngDeviceLockMonitor.h"

#include    "CVTEngPubSubsListener.h"

#include    "CVtEngEventManager.h"

#include    "cvtlogger.h"

#include <coreapplicationuisdomainpskeys.h>

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

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

// CVtEngDeviceLockMonitor::NewL

// Two-phased constructor.

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

//

CVtEngDeviceLockMonitor* CVtEngDeviceLockMonitor::NewL()

    {

    CVtEngDeviceLockMonitor* self = new ( ELeave ) CVtEngDeviceLockMonitor();

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CVtEngDeviceLockMonitor::~CVtEngDeviceLockMonitor()

    {

    delete iAutolockListener;

    }

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

// CVtEngDeviceLockMonitor::NotifyState

// Notifies UI about device lock state

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

//

void CVtEngDeviceLockMonitor::NotifyState() const

    {

    __VTPRINTENTER( "LockMonitor.NotifyState" )

    TInt state = EAutolockStatusUninitialized;

	// Get autolock state

	TInt err = iAutolockListener->Get( state );

	__VTPRINT2( DEBUG_GEN, "LockMonitor Get err: %d", err );

	__VTPRINT2( DEBUG_GEN, "LockMonitor state: %d", state );

	if( err == KErrNone )

		{

		const TInt event =

        ( state <= EAutolockOff ) ?

                KVtEngDeviceLockOff : KVtEngDeviceLockOn;

        CVtEngEventManager::NotifyEvent( event );

        }		

    __VTPRINTEXIT( "LockMonitor.NotifyState" )

    }

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

// CVtEngDeviceLockMonitor::HandleNotifyPSL

// Callback for autolock state change

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

//

void CVtEngDeviceLockMonitor::HandleNotifyPSL(

    const TUid aUid,

    const TInt& aKey,

    const TRequestStatus& aStatus )

    {

    if ( aStatus == KErrNone &&

         aUid == KPSUidCoreApplicationUIs &&

         aKey == KCoreAppUIsAutolockStatus )

        {

        NotifyState();

        }

    }

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

// CVtEngDeviceLockMonitor::CVtEngDeviceLockMonitor

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

// might leave.

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

//

CVtEngDeviceLockMonitor::CVtEngDeviceLockMonitor()

    {

    }

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

// CVtEngDeviceLockMonitor::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CVtEngDeviceLockMonitor::ConstructL()

    {

    __VTPRINTENTER( "LockMonitor.ConstructL" )

    // Listener for autolock state

    iAutolockListener = CVtEngPubSubsListener::NewL(

        KPSUidCoreApplicationUIs, KCoreAppUIsAutolockStatus, this );

    __VTPRINTEXIT( "LockMonitor.ConstructL" )

    }

//  End of File