/*

* Copyright (c) 2008-2008 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:  Updates call information to mediator clients.

*

*/

#include "cccecallinfomediatorupdater.h"

#include <callinformation.h>

#include "mccecallinfomediator.h"

#include "cccecall.h"

#include "mccecallobserver.h"

#include "mccecallarray.h"

#include "mccecallinfo.h"

#include "cccecallinfoconverter.h"

#include "cccelogger.h"

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

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

// Constructor

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

//

CCCECallInfoMediatorUpdater::CCCECallInfoMediatorUpdater(

    MCCECallInfoMediator& aMediator,

    MCCECallArray& aCallArray,

    CCCECallInfoConverter* aConverter ) :

    iMediator( aMediator ),

    iCallArray( aCallArray ),

    iConverter( aConverter )

    {

    }

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

// Second phase constructor

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

//

void CCCECallInfoMediatorUpdater::ConstructL()

    {

    }

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

// Gets snapshot of call infos and packs them

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

//

HBufC8* CCCECallInfoMediatorUpdater::GetSnapShotOfCallInfosL()

    {

    CCallInfos* infos = CCallInfos::NewLC();

    for ( TInt i = 0; i < iCallArray.MaxNumberOfCalls(); i++ )

        {

        MCCECallInfo* info = iCallArray.CallInfo( i );

        AddInfoL( info, *infos );

        }

    MCCECallInfo* emergencyInfo = iCallArray.EmergencyCallInfo();

    AddInfoL( emergencyInfo, *infos );

    HBufC8* packedInfos = infos->ExternalizeL();

    CleanupStack::PopAndDestroy( infos );

    return packedInfos;

    }

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

// Converts call info to mediator info and adds it to the infos.

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

//

void CCCECallInfoMediatorUpdater::AddInfoL( 

    MCCECallInfo* aInfo, 

    CCallInfos& aInfos )

    {

    if ( aInfo )

        {

        // Idle calls are not reported to mediator clients

        if ( aInfo->State() != CCPCall::EStateIdle )

            {

            TCallInfo mediatorInfo = iConverter->Convert( *aInfo );

            aInfos.AddL( mediatorInfo );

            }

        }

    }

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

// Static constructor

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

//

CCCECallInfoMediatorUpdater* CCCECallInfoMediatorUpdater::NewL(

    MCCECallInfoMediator& aMediator,

    MCCECallArray& aCallArray,

    CCCECallInfoConverter* aConverter )

    {

    CCCECallInfoMediatorUpdater* self = 

        CCCECallInfoMediatorUpdater::NewLC(

            aMediator, aCallArray, aConverter );

    CleanupStack::Pop( self );

    return self;

    }

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

// Static constructor

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

//

CCCECallInfoMediatorUpdater* CCCECallInfoMediatorUpdater::NewLC(

    MCCECallInfoMediator& aMediator,

    MCCECallArray& aCallArray,

    CCCECallInfoConverter* aConverter )

    {

    CCCECallInfoMediatorUpdater* self = 

        new( ELeave ) CCCECallInfoMediatorUpdater( 

            aMediator, aCallArray, aConverter );

    CleanupStack::PushL( self );

    self->ConstructL();

    return self;

    }

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

// Destructor

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

//

CCCECallInfoMediatorUpdater::~CCCECallInfoMediatorUpdater()

    {

    delete iConverter;

    }

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

// Updates the call infos to mediator clients.

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

//

void CCCECallInfoMediatorUpdater::UpdateL()

    {            

    HBufC8* packedInfos = GetSnapShotOfCallInfosL();

    iMediator.RaiseEvent( EChangesInCallStates, *packedInfos );

    delete packedInfos;

    }

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

// From base class MMediatorCommandObserver

// Handles the command of getting all call infos.

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

//

void CCCECallInfoMediatorUpdater::MediatorCommandL( 

    TUid aDomain,

    TUid aCategory, 

    TInt aCommandId,

    TVersion /*aVersion*/, 

    const TDesC8& /*aData*/ )

    {

    CCELOGSTRING( "CCCECallInfoMediatorUpdater::MediatorCommandL(): In" );

    if ( aDomain != KMediatorTelephonyDomain || 

         aCategory != KCatCallInformation ||

         aCommandId != EGetAllCallStates )

        {

        User::Leave( KErrArgument );

        }

    HBufC8* packedInfos = GetSnapShotOfCallInfosL();

    iMediator.SendResponse( EGetAllCallStates, *packedInfos );

    CCELOGSTRING( "CCCECallInfoMediatorUpdater::MediatorCommandL(): Out" );

    delete packedInfos;

    }

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

// From base class MMediatorCommandObserver

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

//

void CCCECallInfoMediatorUpdater::CancelMediatorCommand( 

    TUid /*aDomain*/,

    TUid /*aCategory*/, 

    TInt /*aCommandId*/ )

    {

    }