/*

* Copyright (c) 2006 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:  Aiw service wrapper.

*

*/

#include "CPhCntService.h"

#include <AiwServiceHandler.h>

#include <AiwGenericParam.hrh>

#include <AiwCommon.hrh>

#include <AiwContactSelectionDataTypes.h>

#include "mphcntservicerequestparam.h"

#include "mphcntserviceresult.h"

_LIT8( KContentType ,EGenericParamContactItemStr );

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

// Static constructor

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

//

CPhCntService* CPhCntService::NewL() 

	{

	CPhCntService* self = 

	    new( ELeave )CPhCntService();

	CleanupStack::PushL( self );

	self->ConstructL();

	CleanupStack::Pop( self );

	return self;

	}

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

// Destructor

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

//	

CPhCntService::~CPhCntService() 

	{

	CancelRequest();

	if( iAiwService ) 

	    {

        iAiwService->Reset();	    

	    }

	iCriteriaArray.ResetAndDestroy();

	iCriteriaArray.Close();

	delete iAiwService;

	}

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

// Attach AIW criterias

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

//

void CPhCntService::AttachCriteriasL() 

	{

	// Note take array to member variable and detach from aiw when destructing.

	CAiwCriteriaItem* selectCriteria = 

		CAiwCriteriaItem::NewLC( KAiwCmdSelect, KAiwCmdSelect, KContentType ); 

    TUid uid;

	uid.iUid = KAiwClassBase;

	selectCriteria->SetServiceClass( uid );

	selectCriteria->SetMaxProviders( 1 );

	iCriteriaArray.AppendL( selectCriteria );

	CleanupStack::Pop( selectCriteria );

    CAiwCriteriaItem* assignCriteria = 

        CAiwCriteriaItem::NewLC( KAiwCmdAssign, KAiwCmdAssign, KContentType );

	uid.iUid = KAiwClassMenu;

	assignCriteria->SetServiceClass( uid );

	assignCriteria->SetMaxProviders( 1 );

	iCriteriaArray.AppendL( assignCriteria  );

	CleanupStack::Pop( assignCriteria );

	iAiwService->AttachL( iCriteriaArray ); 

	}

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

// Cancels request if request is outstanding.

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

//    

TInt CPhCntService::CancelRequest()

    {

    TInt err( KErrNone );

    if ( iParams )

    	{

    	if( iClientCanceledRequest )

    	    {

    	    *iClientCanceledRequest = ETrue;

    	    }

    	// Cancel old requests

	    iCommandOptions |= KAiwOptCancel;

	    // Cancel is synchronous and we have request ongoing so

	    // do not use base class MakeAsyncRequest, because it uses

	    // CActiveSchedulerWait to make synchronisation and the 

	    // wait scheduler is already waiting. If we would call the 

	    // wait scheduler again, it would crash.

    	TRAP( err, DoMakeAsyncRequestL() );

        iCommandOptions = 0; // Reset the command options

    	}

    return err;

    }

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

// From MPhCntService

// Executes AIW service rewuest.

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

//	

void CPhCntService::ExecuteRequestL( 

    MPhCntServiceRequestParam& aParams,

    MPhCntServiceResult& aResult )

    {

    if( !IsActive() )

        {

        // Destructor can indicate canceling of request using 

        // iClientCanceledRequest.

        TBool requestCanceledByClient = EFalse;

        iClientCanceledRequest = &requestCanceledByClient;

        SetRequestAndResult( aParams, aResult );

        TInt err( KErrNone );

        TRAPD( applicationShuttingdown, err = MakeAsyncRequest() );

        // If application using phonecntfinder is ended from task switcher, then

        // underlying CActiveSchedulerWait::Wait leaves. This needs to be

        // trapped because we are using clients aParams and aResult, which 

        // are stack based objects. 

        if( applicationShuttingdown )

            {

            // Cancel possible outstanding request

           	    CancelRequest();

           	    iResult = NULL;

                iParams = NULL;

           	    User::Leave( applicationShuttingdown );

           	    }

            if( !requestCanceledByClient )

                {

                iResult = NULL;

                iParams = NULL;

                }

            else

                {

                err = KErrCancel;

                }

        User::LeaveIfError( err );

        }

    }

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

// From MPhCntAiwServiceCompleteObserver

// Notifies link fetch observer that links are fetched.

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

//    

void CPhCntService::ServiceRequestComplete( TInt aError )

    {

    ResponseReceived( aError );

    }

void CPhCntService::ConstructL() 

	{

    BaseConstructL();

	iAiwService = CAiwServiceHandler::NewL();

	AttachCriteriasL();

	}

CPhCntService::CPhCntService() : 

    iAiwServiceObserver( *this )

	{

	}

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

// From CPhCntAsyncToSync

// Makes the actual aiw request.

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

//

void CPhCntService::DoMakeAsyncRequestL()  

    {

    iAiwService->ExecuteServiceCmdL( 

        iParams->Command(), 

        iParams->InParamList(), 

        iAiwService->OutParamListL(), 

        iCommandOptions, 

        &iAiwServiceObserver );

    }

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

// Sets variables

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

//    

void CPhCntService::SetRequestAndResult( 

    MPhCntServiceRequestParam& aServiceRequestParams, 

    MPhCntServiceResult& aResult )

    {

    iResult = &aResult;

   	iParams = &aServiceRequestParams;

   	iAiwServiceObserver.SetRequestAndResult( iParams, iResult );

    }