/*

* 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 the License "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:  

*

*/

#include <CVPbkContactLinkArray.h>

#include <MVPbkContactViewBase.h>

#include "contactiter.h"

#include "contactviewobserver.h"

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

// Method that gets the links from the view and passes the link array to the 

// iterator.

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

void CContactViewObserver::SetupContactLinkArrayL(MVPbkContactViewBase& aView )

{

	if((iFlag == EContactFilteredView) || ((iFlag == EContactDefaultView) && (iDefaultView)))

		{

		CVPbkContactLinkArray* linkArray = CVPbkContactLinkArray::NewL();

		CleanupStack::PushL(linkArray);

		TInt viewCount = aView.ContactCountL();

		if(viewCount)

			{

			for(TInt i=0; i < viewCount; i++)

				 {

				 linkArray->AppendL(aView.CreateLinkLC(i));

				 }

			//Set the params for iterator

			iIter->SetParams(linkArray, *iStoreUri, iSortOrder, iTransId, EContacts, iContactService);

			 //Notify the user				  

			iCallback->HandleReturnIter(KErrNone, iIter, iTransId);

			CleanupStack::Pop(viewCount);

			}

		else

			{

			//Notify User

			iCallback->HandleReturnValue(EOpComplete, KErrNotFound, iTransId);	

			delete iIter;

			iIter = NULL;

			}

		CleanupStack::Pop(linkArray);

		}

}

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

// This method is called by the ContactViewObserver when the view is ready

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

void CContactViewObserver::ContactViewReady(MVPbkContactViewBase& aView )

{

	iSchedulerWait->AsyncStop();

	iContactService->RequestComplete(iTransId);		

	TRAPD(error,SetupContactLinkArrayL(aView));

	if(error !=KErrNone)

		{

		//Notify User

		iCallback->HandleReturnValue(EOpComplete, error, iTransId);	

		delete iIter;

		iIter = NULL;

		}

}

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

// NewL()

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

CContactViewObserver* CContactViewObserver::NewL( MContactCallback* aCallback, enum TViewFlag aFlag, CContactIter* iIter,CContactService* aContactService,const TDesC& aStoreUri, TOrder aSortOrder, TInt aTransId, CActiveSchedulerWait* aSchedulerWait)

{

    CContactViewObserver* self = new( ELeave ) CContactViewObserver( aStoreUri, aFlag, iIter, aContactService, aCallback, aSortOrder, aTransId, aSchedulerWait);

    return self;

}

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

// ConstructL()

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

CContactViewObserver::CContactViewObserver(const TDesC& aStoreUri, enum TViewFlag aFlag, CContactIter* aIter, CContactService* aContactService, MContactCallback* aCallback, TOrder aSortOrder, TInt aTransId, CActiveSchedulerWait* aSchedulerWait )

:	iStoreUri (&aStoreUri),

	iFlag (aFlag),

	iIter (aIter),

	iCallback (aCallback),

	iSortOrder (aSortOrder),

	iTransId (aTransId),

	iDefaultView (EFalse),

	iSchedulerWait(aSchedulerWait),

	iContactService(aContactService)

{

}

/*

-------------------------------------------------------------------------------------

CContactViewObserver::Cancel()

Description 		: Cancel implementation relevant to ViewObserver

Return values		: KErrorNone on Success and KErrGeneral on Failure

-------------------------------------------------------------------------------------

*/

void CContactViewObserver::Cancel()

	{

	iCallback->HandleReturnValue(EOpCancel, KErrNone, iTransId);

	iView->RemoveObserver(*this);

	delete this;

	}

void CContactViewObserver::ReturnDefaultView()

	{

	iDefaultView = ETrue;

	}

void CContactViewObserver::ContactAddedToView( MVPbkContactViewBase& /*aView*/, TInt /*aIndex*/, const MVPbkContactLink& /*aContactLink */)

	{

	}

void CContactViewObserver::ContactRemovedFromView( MVPbkContactViewBase& /*aView*/, TInt /*aIndex*/, const MVPbkContactLink& /*aContactLink */)

	{

	}

void CContactViewObserver::ContactViewUnavailable(MVPbkContactViewBase& /*aView*/ )

	{

	iSchedulerWait->AsyncStop();

	iContactService->RequestComplete(iTransId);	

	//Notify User

	iCallback->HandleReturnValue(EOpError, KErrAbort, iTransId);

	delete iIter;

	iIter = NULL;

	}

void CContactViewObserver::ContactViewError( MVPbkContactViewBase& /*aView*/, TInt aError, TBool /*aErrorNotified*/ )

	{

	iSchedulerWait->AsyncStop();

	iContactService->RequestComplete(iTransId);	

	//Notify User

	iCallback->HandleReturnValue(EOpError, aError, iTransId);

	delete iIter;

	iIter = NULL;

	}