/*

* Copyright (c) 2002-2007 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:  Monitor for idle screen availability.

*

*/

// INCLUDE FILES

#include    "TSatSystemStateFactory.h"

#include    "MSatSystemStateChangeNotifier.h"

#include    "CSatIdleScreenMonitor.h"

#include    "SatLog.h"

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

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

// CSatIdleScreenMonitor::CSatIdleScreenMonitor

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

// might leave.

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

//

CSatIdleScreenMonitor::CSatIdleScreenMonitor(

    MSatEventMonitorUtils& aUtils ) :

    CSatEventMonitorHandler( aUtils )

    {

    LOG( SIMPLE, "SATEVENTMONITORS: CSatIdleScreenMonitor::\

        CSatIdleScreenMonitor calling-exiting" )

    }

// Destructor

CSatIdleScreenMonitor::~CSatIdleScreenMonitor()

    {

    LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

        ~CSatIdleScreenMonitor calling" )

    delete iPSNotifier;

    LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

        ~CSatIdleScreenMonitor exiting" )

    }

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

// CSatIdleScreenMonitor::NewL

// Two-phased constructor.

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

//

CSatIdleScreenMonitor* CSatIdleScreenMonitor::NewL(

    MSatEventMonitorUtils& aUtils )

    {

    LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::NewL calling" )

    CSatIdleScreenMonitor* self = new( ELeave ) CSatIdleScreenMonitor( aUtils );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::NewL exiting" )

    return self;

    }

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

// CSatIdleScreenMonitor::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CSatIdleScreenMonitor::ConstructL()

    {

    LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

        ConstructL calling" )

    // Create base class and give this monitors event as a parameter

    BaseConstructL( MSatEventMonitor::EIdleScreenAvailable );

    iPSNotifier =

        TSatSystemStateFactory::CreateIdleModeChangeNotifierL( *this );

    LOG( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

        ConstructL exiting" )

    }

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

// CSatIdleScreenMonitor::DoCancelMonitor

// Cancels monitor.

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

//

void CSatIdleScreenMonitor::DoCancelMonitor()

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS:CSatIdleScreenMonitor::DoCancelMonitor calling" )

    iPSNotifier->CancelNotify();

    LOG( SIMPLE,

        "SATEVENTMONITORS:CSatIdleScreenMonitor::DoCancelMonitor exiting" )

    }

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

// CSatIdleScreenMonitor::StartMonitor

// Starts monitor.

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

//

TInt CSatIdleScreenMonitor::StartMonitor()

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS:CSatIdleScreenMonitor::StartMonitor calling" )

    // Cancel first, it might be activated already

    DoCancelMonitor();

    // Now start it again

    TRAPD( err, iPSNotifier->NotifyChangeL() );

    LOG2( SIMPLE, "SATEVENTMONITORS:CSatIdleScreenMonitor::\

        StartMonitor exiting with code: %d", err )

    return err;

    }

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

// CSatIdleScreenMonitor::StateChanged

// Called when idle screen is available.

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

//

void CSatIdleScreenMonitor::StateChanged()

    {

    LOG( SIMPLE,

        "SATEVENTMONITORS:CSatIdleScreenMonitor::StateChanged calling" )

    // Inform SAT Engine that idle screen is available.

    EventOccured();

    LOG( SIMPLE,

        "SATEVENTMONITORS:CSatIdleScreenMonitor::StateChanged exiting" )

    }

// End of file