/*

* 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:  Notifies the changes in publish and suscripe properties.

*

*/

// INCLUDE FILES

#include    "CSatPSChangeNotifier.h"

#include    "MSatSystemStateObserver.h"

#include    "Panic.h"

#include    "SatLog.h"

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

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

// CSatPSChangeNotifier::CSatPSChangeNotifier

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

// might leave.

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

//

CSatPSChangeNotifier::CSatPSChangeNotifier(

    const TUid& aPropertyKey,

    TUint aPropertyValue,

    MSatSystemStateObserver& aObserver,

    TInt aNotifyValue ) :

    CActive( EPriorityStandard ),

    iObserver( aObserver ),

    iPSKey( aPropertyKey ),

    iPSValue( aPropertyValue ),

    iNotifyValue( aNotifyValue )

    {

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier calling" )

    // Log parameters

    LOG2( NORMAL,

        "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier PS Uid: %d",

        aPropertyKey )

    LOG2( NORMAL,

        "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier PS Key: %d",

        aPropertyValue )

    LOG2( NORMAL,

        "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier Needed \

        value: %d ", aNotifyValue )

    CActiveScheduler::Add( this );

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatPSChangeNotifier::CSatPSChangeNotifier exiting" )

    }

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

// CSatPSChangeNotifier::NewL

// Two-phased constructor.

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

//

CSatPSChangeNotifier* CSatPSChangeNotifier::NewL(

    const TUid& aPropertyKey,

    TUint aPropertyValue,

    MSatSystemStateObserver& aObserver,

    TInt aNotifyValue )

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::NewL calling" )

    CSatPSChangeNotifier* self =

        new( ELeave ) CSatPSChangeNotifier(

            aPropertyKey, aPropertyValue, aObserver, aNotifyValue );

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::NewL exiting" )

    return self;

    }

// Destructor

CSatPSChangeNotifier::~CSatPSChangeNotifier()

    {

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatPSChangeNotifier::~CSatPSChangeNotifier calling" )

    Cancel();

    iPSClient.Close();

    LOG( SIMPLE,

        "SATSYSTEMSTATE: CSatPSChangeNotifier::~CSatPSChangeNotifier exiting" )

    }

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

// CSatPSChangeNotifier::NotifyChangeL

// Issues notification request.

// (other items were commented in a header).

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

//

void CSatPSChangeNotifier::NotifyChangeL()

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::NotifyChangeL calling" )

    __ASSERT_ALWAYS( !IsActive(), Panic( ESatSystemStateAllReadyActive ) );

    User::LeaveIfError( iPSClient.Attach( iPSKey, iPSValue ) );

    Activate();

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::NotifyChangeL exiting" )

    }

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

// CSatPSChangeNotifier::CancelNotify

// Cancels outstanding request.

// (other items were commented in a header).

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

//

void CSatPSChangeNotifier::CancelNotify()

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::CancelNotify calling" )

    Cancel();

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::CancelNotify exiting" )

    }

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

// CSatPSChangeNotifier::DoCancel

// (other items were commented in a header).

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

//

void CSatPSChangeNotifier::DoCancel()

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::DoCancel calling" )

    iPSClient.Cancel();

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::DoCancel exiting" )

    }

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

// CSatPSChangeNotifier::RunL

// Activates the request again and calls the observer.

// (other items were commented in a header).

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

//

void CSatPSChangeNotifier::RunL()

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL calling" )

    // Makes sure that all the changes are notified.

    LOG2( SIMPLE, "SATSYSTEMSTATE:   Failed: %i", iStatus.Int() )

    if ( KErrNone == iStatus.Int() )

        {

        NotifyChangeL();

        // Check the value

        TInt value = KNotifyValueNotSet;

        // Get the value from P&S

        RProperty::Get( iPSKey, iPSValue, value );

        // If notify value is set, check the value before notifying observer

        if ( KNotifyValueNotSet != iNotifyValue )

            {

            LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL \

            KNotifyValueNotSet != iNotifyValue" )

            // If changed P&S value is same as notify value, notify observer

            if ( value == iNotifyValue )

                {

                LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL \

                value == iNotifyValue" )

                iObserver.StateChanged();

                }

            }

        else

            {

            LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL \

            KNotifyValueNotSet == iNotifyValue" )

            // Notify value not specified -> Send the changed value

            iObserver.StateChanged( value );

            }

        }

    else if ( KErrCancel == iStatus.Int() )

        {

        Activate();

        }

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::RunL exiting" )

    }

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

// CSatPSChangeNotifier::Activate

// (other items were commented in a header).

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

//

void CSatPSChangeNotifier::Activate()

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::Activate calling" )

    iPSClient.Subscribe( iStatus );

    SetActive();

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::Activate exiting" )

    }

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

// CSatPSChangeNotifier::GetValueInt

// (other items were commented in a header).

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

//

TInt CSatPSChangeNotifier::GetValueInt()

    {

    LOG( SIMPLE, "SATSYSTEMSTATE: CSatPSChangeNotifier::GetValueInt calling" )

    // Gets the value from P&S.

    TInt value( KNotifyValueNotSet );

    RProperty::Get( iPSKey, iPSValue, value );

    LOG2( SIMPLE, 

        "SATSYSTEMSTATE: CSatPSChangeNotifier::GetValueInt exiting %i",

        value )

    return value;

    }

//  End of File