/*

* Copyright (c) 2002 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: 

*		Removing multiple contact from a group process

*

*/

// INCLUDE FILES

#include "CPbkRemoveFromGroup.h"

#include <cntdef.h>

#include <cntitem.h>

#include "CPbkContactEngine.h"

#include <PbkDebug.h>

// LOCAL CONSTANTS AND MACROS

/// The interval to test DB compression

const TInt KCompressionInterval = 10;

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

inline TBool CPbkRemoveFromGroup::MoreContactsToRemove() const

    {

    return (iContacts && iContacts->Count() > 0);

    }

inline void CPbkRemoveFromGroup::Cancel()

    {

    // CloseContactL cannot leave despite its name

    iEngine.CloseContactL(iGroupId);

    delete iGroup;

    iGroup = NULL;

    delete iContacts;

    iContacts = NULL;

    }

inline CPbkRemoveFromGroup::CPbkRemoveFromGroup

        (CPbkContactEngine& aEngine,

        TContactItemId aGroupId) :

    iEngine(aEngine),

    iGroupId(aGroupId)

    {

    PBK_DEBUG_PRINT

        (PBK_DEBUG_STRING("CPbkRemoveFromGroup::CPbkRemoveFromGroup(0x%x)"), 

        this);

    }

inline void CPbkRemoveFromGroup::ConstructL

        (const CContactIdArray& aContacts)

    {

    iTotalContactsToRemove = aContacts.Count();

    iContacts = CContactIdArray::NewL(&aContacts);

    iContacts->ReverseOrder();

    // Lock the group for the duration of this process

    iGroup = iEngine.OpenContactGroupL(iGroupId);

    }

EXPORT_C CPbkRemoveFromGroup* CPbkRemoveFromGroup::NewLC

        (CPbkContactEngine& aEngine,

        const CContactIdArray& aContacts,

        TContactItemId aGroupId)

    {

    CPbkRemoveFromGroup* self = new(ELeave) CPbkRemoveFromGroup(aEngine, aGroupId);

    CleanupStack::PushL(self);

    self->ConstructL(aContacts);

    return self;

    }

CPbkRemoveFromGroup::~CPbkRemoveFromGroup()

    {

    PBK_DEBUG_PRINT

        (PBK_DEBUG_STRING("CPbkRemoveFromGroup::~CPbkRemoveFromGroup(0x%x)"), 

        this);

    Cancel();

    }

void CPbkRemoveFromGroup::StepL()

    {

    PBK_DEBUG_PRINT

        (PBK_DEBUG_STRING("CPbkRemoveFromGroup::StepL()"), 

        this);

    if (iRemovedCount % KCompressionInterval == 0)

        {

        iEngine.CheckFileSystemSpaceAndCompressL();

        }

    if (MoreContactsToRemove())

        {

        const TInt index = iContacts->Count() - 1;

        const TContactItemId id = (*iContacts)[index];

        iEngine.RemoveContactFromGroupL(id, iGroupId);

        iContacts->Remove(index);

        ++iRemovedCount;

        PBK_DEBUG_PRINT(PBK_DEBUG_STRING("    assigned contact %d"), id);

        }

    }

TInt CPbkRemoveFromGroup::TotalNumberOfSteps()

    {

    return iTotalContactsToRemove;

    }

TBool CPbkRemoveFromGroup::IsProcessDone() const

    {

    return !MoreContactsToRemove();

    }

void CPbkRemoveFromGroup::ProcessFinished()

    {

    PBK_DEBUG_PRINT

        (PBK_DEBUG_STRING("CPbkRemoveFromGroup::ProcessFinished()"), 

        this);

    Cancel();

    }

TInt CPbkRemoveFromGroup::HandleStepError(TInt aError)

    {

    PBK_DEBUG_PRINT(PBK_DEBUG_STRING("CPbkRemoveFromGroup::HandleStepError(%d)"), aError);

    Cancel();

    return aError;

    }

void CPbkRemoveFromGroup::ProcessCanceled()

    {

    PBK_DEBUG_PRINT

        (PBK_DEBUG_STRING("CPbkRemoveFromGroup::ProcessCanceled()"), 

        this);

    Cancel();

    }

//  End of File