/*

* Copyright (c) 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:  Handler for System Agent events*

*/

// INCLUDE FILES

#include <saclient.h>

#include "CamSAEventActive.h"

#include "CamAppController.h"

// We need to use a large enough priority, so that

// we get system agent events even when incoming call

// occurs during recording.

const TInt EPrioritySuperHigh = 2000;

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

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

// CCamSAEventActive::CCamSAEventActive

// C++ constructor

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

//

CCamSAEventActive::CCamSAEventActive( CCamAppController& aController,

                                      const RSystemAgent& aSystemAgent )

    : CActive( EPrioritySuperHigh ), iController( aController ),

      iSystemAgent( aSystemAgent )

    {

    iRequestIssued = EFalse;

    CActiveScheduler::Add( this );

    }

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

// Destructor

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

//

CCamSAEventActive::~CCamSAEventActive() 

  {

  PRINT( _L("Camera => ~CCamSAEventActive") );

  Cancel();

  PRINT( _L("Camera <= ~CCamSAEventActive") );

  }

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

// CCamSAEventActive::IssueRequest

// Issue a request to receive events from System Agent

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

//

void CCamSAEventActive::IssueRequest()

    {

    iSAEvent.SetRequestStatus( iStatus );

    if ( !iRequestIssued ) 

        {

        iRequestIssued = ETrue;

        iSystemAgent.NotifyOnAnyEvent( iSAEvent );

        SetActive() ;       

        }

    }

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

// CCamSAEventActive::DoCancel   

// Cancel the request to receive events from System Agent 

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

//

void CCamSAEventActive::DoCancel() 

    {

    iSystemAgent.NotifyEventCancel();

    iRequestIssued = EFalse;

    }

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

// CCamSAEventActive::RunError

// Called when RunL() is trapped by Active Scheduler

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

//

TInt CCamSAEventActive::RunError( TInt /*aError*/ )

    {

    Cancel();

    IssueRequest();

    return KErrNone;

    }

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

// Called when an event comes from System Agent

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

//

void CCamSAEventActive::RunL()

    {   

    iRequestIssued = EFalse;

    iController.HandleSysAgentEventL( iSAEvent );

    IssueRequest();

    }

// End of File