/*

* Copyright (c) 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:  Implementation of the class CFscContactLinkSet.

*

*/

// INCUDES

#include "emailtrace.h"

#include <CVPbkContactManager.h>

#include <MVPbkContactOperationBase.h>

//<cmail>

#include "mfsccontactlinkiterator.h"

#include "mfsccontactsetobserver.h"

//</cmail>

#include <MVPbkStoreContact.h>

#include <MVPbkContactLinkArray.h>

#include "cfsccontactlinkset.h"

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

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

// Two-phased constructor.

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

//

CFscContactLinkSet* CFscContactLinkSet::NewL( 

    CVPbkContactManager& aVPbkContactManager,

    MFscContactLinkIterator* aIterator )

    {

    FUNC_LOG;

    CFscContactLinkSet* self = 

        new ( ELeave ) CFscContactLinkSet( aVPbkContactManager );

    CleanupStack::PushL( self );

    self->ConstructL( aIterator );

    CleanupStack::Pop( self );

    return self;

    }

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

// Destructor.

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

//

CFscContactLinkSet::~CFscContactLinkSet()

    {

    FUNC_LOG;

    delete iCurrentContact;

    delete iContactLinkArray;

    delete iVPbkOperationNextContact;

    delete iVPbkOperationNextGroup;

    delete iVPbkOperationGetGroupContact;

    }

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

// Contact count.

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

//

TInt CFscContactLinkSet::ContactCount() const

    {

    FUNC_LOG;

    return iIterator->ContactCount();

    }

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

// Checks if iterator has more contacts.

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

//

TBool CFscContactLinkSet::HasNextContact() const

    {

    FUNC_LOG;

    return iIterator->HasNextContact();

    }

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

// Sets the iterator to point to the first contact in the list.

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

//

void CFscContactLinkSet::SetToFirstContact()

    {

    FUNC_LOG;

    iIterator->SetToFirstContact();

    }

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

// Asynchronous operation for retrieving store contact for contact.

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

//

void CFscContactLinkSet::NextContactL( MFscContactSetObserver* aObserver )

    {

    FUNC_LOG;

    MVPbkContactLink* contactLink = iIterator->NextContactL();

    iObserver = aObserver;

    // async call - result in VPbkSingleContactOperationComplete()

    iVPbkOperationNextContact = 

            iVPbkContactManager.RetrieveContactL( *contactLink, *this );

    }

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

// Used for retrieving link for contact.

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

//

MVPbkContactLink* CFscContactLinkSet::NextContactLinkL()

    {

    FUNC_LOG;

    return iIterator->NextContactL();

    }

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

// Used for canceling asynchronous NextContactL operation.

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

//

void CFscContactLinkSet::CancelNextContactL()

    {

    FUNC_LOG;

    CancelGetGroupContactL();

    if ( iVPbkOperationNextContact )

        {

        delete iVPbkOperationNextContact;

        iVPbkOperationNextContact = NULL;

        }

    }

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

// Group count.

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

//

TInt CFscContactLinkSet::GroupCount() const

    {

    FUNC_LOG;

    return iIterator->GroupCount();

    }

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

// Checks if iterator has more groups.

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

//

TBool CFscContactLinkSet::HasNextGroup() const

    {

    FUNC_LOG;

    return iIterator->HasNextGroup();

    }

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

// Sets the iterator to point to the first group in the list.

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

//

void CFscContactLinkSet::SetToFirstGroup()

    {

    FUNC_LOG;

    iIterator->SetToFirstGroup();

    }

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

// Asynchronous operation for retrieving store contact for group.

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

//

void CFscContactLinkSet::NextGroupL( MFscContactSetObserver* aObserver )

    {

    FUNC_LOG;

    MVPbkContactLink* groupLink = iIterator->NextGroupL();

    iObserver = aObserver;

    // async call - result in VPbkSingleContactOperationComplete()

    iVPbkOperationNextGroup = 

            iVPbkContactManager.RetrieveContactL( *groupLink, *this );

    }

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

// Used for retrieving link for group.

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

//

MVPbkContactLink* CFscContactLinkSet::NextGroupLinkL()

    {

    FUNC_LOG;

    return iIterator->NextGroupL();

    }

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

// Used for canceling asynchronous NextGroupL operation.

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

//

void CFscContactLinkSet::CancelNextGroupL()

    {

    FUNC_LOG;

    CancelGetGroupContactL();

    if ( iVPbkOperationNextGroup )

        {

        delete iVPbkOperationNextGroup;

        iVPbkOperationNextGroup = NULL;

        }

    }

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

// From MVPbkSingleContactOperationObserver.

// Called when the operation is completed.

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

//

void CFscContactLinkSet::VPbkSingleContactOperationComplete(

    MVPbkContactOperationBase& aOperation,

    MVPbkStoreContact* aContact )

    {

    FUNC_LOG;

    if ( iVPbkOperationNextContact == &aOperation )

        {

        delete iCurrentContact;

        iCurrentContact = aContact;

        delete iVPbkOperationNextContact;

        iVPbkOperationNextContact = NULL;

        iObserver->NextContactComplete( iCurrentContact );

        }

    else if ( iVPbkOperationNextGroup == &aOperation )

        {

        delete iCurrentContact;

        iCurrentContact = aContact;

        delete iVPbkOperationNextGroup;

        iVPbkOperationNextGroup = NULL;

        iObserver->NextGroupComplete( iCurrentContact );

        }

    else if ( iVPbkOperationGetGroupContact == &aOperation )

        {

        delete iVPbkOperationGetGroupContact;

        iVPbkOperationGetGroupContact = NULL;

        delete iContactLinkArray;

        iContactLinkArray = NULL;

        iObserver->GetGroupContactComplete( aContact );

        }

    else

        {

        //User::Leave( KErrArgument );

        }

    }

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

// From MVPbkSingleContactOperationObserver.

// Called if the operation fails.

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

//

void CFscContactLinkSet::VPbkSingleContactOperationFailed(

    MVPbkContactOperationBase& aOperation, TInt aError )

    {

    FUNC_LOG;

    if ( iVPbkOperationNextContact == &aOperation )

        {

        delete iVPbkOperationNextContact;

        iVPbkOperationNextContact = NULL;

        iObserver->NextContactFailed( aError );

        }

    else if ( iVPbkOperationNextGroup == &aOperation )

        {

        delete iVPbkOperationNextGroup;

        iVPbkOperationNextGroup = NULL;

        iObserver->NextGroupFailed( aError );

        }

    else if ( iVPbkOperationGetGroupContact == &aOperation )

        {

        delete iVPbkOperationGetGroupContact;

        iVPbkOperationGetGroupContact = NULL;

        delete iContactLinkArray;

        iContactLinkArray = NULL;

        iObserver->GetGroupContactFailed( aError );

        }

    else

        {

        //User::Leave( KErrArgument );

        }

    }

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

// Constructor.

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

//

CFscContactLinkSet::CFscContactLinkSet( 

    CVPbkContactManager& aVPbkContactManager )

    : CFscContactSet( aVPbkContactManager )

    {

    FUNC_LOG;

    }

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

// Second phase constructor.

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

//

void CFscContactLinkSet::ConstructL( MFscContactLinkIterator* aIterator )

    {

    FUNC_LOG;

    iIterator = aIterator;        

    }

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

// Used for canceling asynchronous GetGroupContactL operation.

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

//

void CFscContactLinkSet::CancelGetGroupContactL()

    {

    FUNC_LOG;

    if ( iVPbkOperationGetGroupContact )

        {

        delete iVPbkOperationGetGroupContact;

        iVPbkOperationGetGroupContact = NULL;

        delete iContactLinkArray;

        iContactLinkArray = NULL;

        }

    }