/*

* 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:  Implementation of the delete contact observer functionality.

*

*/

//User Includes

#include "deletecontactobserver.h"

#include "contactcallback.h"

//System Includes

#include <cvpbkcontactmanager.h>// for iContactManager

#include <mvpbkcontactstore.h>// for iContactStore

#include <mvpbkstorecontact.h>// used in many function to get the store contact

#include <mvpbkcontactoperationbase.h>//for observer

#include <mvpbkcontactlink.h>//for param in ContactsSaved()

#include <mvpbkcontactstoreproperties.h>//for getting store uri in StoreReady()

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

// Static method to create instance of delete contact observer.

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

CDeleteContactObserver* CDeleteContactObserver::NewL( CContactService* aContactService,

											 		  MVPbkContactStore* aContactStore, 

											 		  RPointerArray<TDesC8>& aContactIdArray,

											 		  TInt aTransId,

											 		  MContactCallback* aCallback )

{

    CDeleteContactObserver* self = new( ELeave ) CDeleteContactObserver( );

    CleanupStack::PushL(self);

    self->ConstructL(aContactService, aContactStore, 

    				 aContactIdArray, aTransId, aCallback );

	CleanupStack::Pop(self);

	return self;

}

//Constructor

CDeleteContactObserver::CDeleteContactObserver()

{

}

//second-phase constructor

void CDeleteContactObserver::ConstructL( CContactService* aContactService,

										  		MVPbkContactStore* aContactStore, 

										  		RPointerArray<TDesC8>& aContactIdArray,

										  		TInt aTransId,

										  		MContactCallback* aCallback )

{

	iContactService= aContactService;

	iContactStore = aContactStore;

	iTransId = aTransId;

	iCallback = aCallback;

	iContactLinkArray = CVPbkContactLinkArray::NewL();

	ConvertContactIdsToLinkArrayL( aContactIdArray );

	iOp = NULL;

}

//Destructor.

CDeleteContactObserver::~CDeleteContactObserver()

{

    TInt count = iLinkArrayToDelete.Count();

    if( count )

        {

        for(TInt index = 0; index < count; index++)

            {

            delete iLinkArrayToDelete[index];

            }

        }

    iLinkArrayToDelete.Reset();

    if(iContactLinkArray)

        {

        iContactLinkArray->Reset();

        delete iContactLinkArray;

        iContactLinkArray = NULL;    

        }        

    if( iContactStore )

        {

        iContactStore->Close(*this);

        }

    if(iOp)

    	{

    	delete iOp;

    	}

}

/*

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

CDeleteContactObserver::Cancel()

Description 		: Cancel implementation relevant to DeleteObserver

Return values		: KErrorNone on Success and KErrGeneral on Failure

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

*/

void CDeleteContactObserver::Cancel()

	{

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

	delete this;	

	}

//Get MVPbkContactLinkArray from the dynamic array, which is having contact ids.

void CDeleteContactObserver::ConvertContactIdsToLinkArrayL( RPointerArray<TDesC8>& aContactIdArray )

{

	TInt contactIdCount = aContactIdArray.Count();

	if((contactIdCount) && !(*aContactIdArray[0]).Compare(KNullDesC8))

		{

			User::Leave(KErrArgument);

		}

	for(TInt index = 0; index < contactIdCount; index++)

	{

		//get the id from the contact id array

		TPtrC8 contactId = *aContactIdArray[index]; 

		//construct link using contact mngr's CreateLinksLC

		MVPbkContactLinkArray* tmpLinkArray = (&(iContactService->GetContactManager()))->CreateLinksLC(contactId);

		iLinkArrayToDelete.AppendL(tmpLinkArray);

		iContactLinkArray->AppendL(const_cast<MVPbkContactLink*> (&(tmpLinkArray->At(0))) );		

		CleanupStack::Pop(); //tmpLinkArray

	}

}

//Deletes the list of contacts from the contact store.

void CDeleteContactObserver::DoDeleteL()

    {

    CVPbkContactManager* contactManager = &(iContactService->GetContactManager());

	MVPbkContactOperationBase* iOp = contactManager ->DeleteContactsL( *iContactLinkArray, *this );

    }

void CDeleteContactObserver::StepComplete( MVPbkContactOperationBase& /*aOperation*/,

                							TInt /*aStepSize*/ )

    {

    	//Ignore this...as it enters OperationComplete once it is done

    }

//deletion failed

TBool CDeleteContactObserver::StepFailed( MVPbkContactOperationBase& aOperation,

                		  				  TInt /*aStepSize*/ , TInt aError )

    {

	delete &aOperation;

	//&aOperation = NULL;

	iContactService->RequestComplete(iTransId);

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

	delete this;

	return EFalse;

    }

 //successfully deleted.

void CDeleteContactObserver::OperationComplete( MVPbkContactOperationBase& aOperation )

    {

	delete &aOperation;

	//&aOperation = NULL;

	iContactService->RequestComplete(iTransId);

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

	delete this;

    }

//Enters this method when OpenL() is successfull.

void CDeleteContactObserver::StoreReady( MVPbkContactStore& aContactStore )

    {

	iContactStore = &aContactStore;

	if(!iContactLinkArray)

	    {

		iContactService->RequestComplete(iTransId);

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

		delete this;

	    }

	TRAPD(error, DoDeleteL());

	if(error != KErrNone)

	    {

		iContactService->RequestComplete(iTransId);

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

		delete this;

	    }

    }

//Store open failed

void CDeleteContactObserver::StoreUnavailable( MVPbkContactStore& /*aContactStore*/, TInt aReason )

    {

  	iContactService->RequestComplete(iTransId);

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

	delete this;

    }

void CDeleteContactObserver::HandleStoreEventL( MVPbkContactStore& /*aContactStore*/, TVPbkContactStoreEvent /*aStoreEvent*/ )

    {

    	//do nothing here     	

    }