/*

* Copyright (c) 2004 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:  Publish & Subscribe property change observer implementation

*

*/

// INCLUDE FILES

#include "MIMPSSystemNotifierObserver.h"

#include "CIMPSSystemNotifierSystemAgent.h"

#include "IMPSSystemNotifyDefs.h"

#include "IMPSCommonUiDebugPrint.h"

#include <sacls.h>

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

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

// CIMPSSystemNotifierSystemAgent::CIMPSSystemNotifierSystemAgent

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

// might leave.

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

//

CIMPSSystemNotifierSystemAgent::CIMPSSystemNotifierSystemAgent(

    MIMPSSystemNotifierObserver& aObserver,

    const TUid aKey

)

        : CActive( CActive::EPriorityStandard ),

        iObserver( aObserver ),

        iKey( aKey )

    {

    CActiveScheduler::Add( this );

    }

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

// CIMPSSystemNotifierSystemAgent::ConstructL

// Symbian 2nd phase constructor can leave.

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

//

void CIMPSSystemNotifierSystemAgent::ConstructL()

    {

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

    }

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

// CIMPSSystemNotifierSystemAgent::NewL

// Two-phased constructor.

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

//

CIMPSSystemNotifierSystemAgent* CIMPSSystemNotifierSystemAgent::NewL(

    MIMPSSystemNotifierObserver& aObserver,

    TUid aKey )

    {

    CIMPSSystemNotifierSystemAgent* self =

        new( ELeave ) CIMPSSystemNotifierSystemAgent( aObserver, aKey );

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

// Destructor

CIMPSSystemNotifierSystemAgent::~CIMPSSystemNotifierSystemAgent()

    {

    if ( IsActive() )

        {

        Cancel();

        }

    iSysAgent.Close();

    }

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

// CIMPSSystemNotifierSystemAgent::Subscribe

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

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

//

TInt CIMPSSystemNotifierSystemAgent::Subscribe()

    {

    if ( IsActive() )

        {

        return KErrNone;

        }

    iAgentEvent.SetRequestStatus( iStatus );

    iAgentEvent.SetUid( iKey );

    iSysAgent.NotifyOnEvent( iAgentEvent );

    SetActive();

    return KErrNone;

    }

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

// CIMPSSystemNotifierSystemAgent::UnSubscribe

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

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

//

void CIMPSSystemNotifierSystemAgent::UnSubscribe()

    {

    if ( IsActive() )

        {

        Cancel();

        }

    }

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

// CIMPSSystemNotifierSystemAgent::GetIntKey

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

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

//

TInt CIMPSSystemNotifierSystemAgent::GetIntKey( TInt& aValue )

    {

    aValue = iSysAgent.GetState( iKey );

    return KErrNone;

    }

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

// CIMPSSystemNotifierSystemAgent::RunL

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

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

//

void CIMPSSystemNotifierSystemAgent::RunL()

    {

    TInt value( iAgentEvent.State() );

    iSysAgent.NotifyOnEvent( iAgentEvent );

    SetActive();

    iObserver.HandleSystemNotifierEventL( iKey, value );

    }

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

// CIMPSSystemNotifierSystemAgent::DoCancel

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

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

//

void CIMPSSystemNotifierSystemAgent::DoCancel()

    {

    iSysAgent.NotifyEventCancel();

    }